File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig
new file mode 100644
index 0000000..17f928e
--- /dev/null
+++ b/drivers/gpu/drm/gma500/Kconfig
@@ -0,0 +1,38 @@
+config DRM_GMA500
+ tristate "Intel GMA5/600 KMS Framebuffer"
+ depends on DRM && PCI && X86
+ select FB_CFB_COPYAREA
+ select FB_CFB_FILLRECT
+ select FB_CFB_IMAGEBLIT
+ select DRM_KMS_HELPER
+ select DRM_KMS_FB_HELPER
+ select DRM_TTM
+ # GMA500 depends on ACPI_VIDEO when ACPI is enabled, just like i915
+ select ACPI_VIDEO if ACPI
+ select BACKLIGHT_CLASS_DEVICE if ACPI
+ select INPUT if ACPI
+ help
+ Say yes for an experimental 2D KMS framebuffer driver for the
+ Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
+ devices.
+
+config DRM_GMA600
+ bool "Intel GMA600 support (Experimental)"
+ depends on DRM_GMA500
+ help
+ Say yes to include support for GMA600 (Intel Moorestown/Oaktrail)
+ platforms with LVDS ports. MIPI is not currently supported.
+
+config DRM_GMA3600
+ bool "Intel GMA3600/3650 support (Experimental)"
+ depends on DRM_GMA500
+ help
+ Say yes to include basic support for Intel GMA3600/3650 (Intel
+ Cedar Trail) platforms.
+
+config DRM_MEDFIELD
+ bool "Intel Medfield support (Experimental)"
+ depends on DRM_GMA500 && X86_INTEL_MID
+ help
+ Say yes to include support for the Intel Medfield platform.
+
diff --git a/drivers/gpu/drm/gma500/Makefile b/drivers/gpu/drm/gma500/Makefile
new file mode 100644
index 0000000..190e55f
--- /dev/null
+++ b/drivers/gpu/drm/gma500/Makefile
@@ -0,0 +1,56 @@
+#
+# KMS driver for the GMA500
+#
+ccflags-y += -I$(srctree)/include/drm
+
+gma500_gfx-y += \
+ accel_2d.o \
+ backlight.o \
+ framebuffer.o \
+ gem.o \
+ gtt.o \
+ intel_bios.o \
+ intel_i2c.o \
+ intel_gmbus.o \
+ mmu.o \
+ blitter.o \
+ power.o \
+ psb_drv.o \
+ gma_display.o \
+ gma_device.o \
+ psb_intel_display.o \
+ psb_intel_lvds.o \
+ psb_intel_modes.o \
+ psb_intel_sdvo.o \
+ psb_lid.o \
+ psb_irq.o \
+ psb_device.o \
+ mid_bios.o
+
+gma500_gfx-$(CONFIG_ACPI) += opregion.o \
+
+gma500_gfx-$(CONFIG_DRM_GMA3600) += cdv_device.o \
+ cdv_intel_crt.o \
+ cdv_intel_display.o \
+ cdv_intel_hdmi.o \
+ cdv_intel_lvds.o \
+ cdv_intel_dp.o
+
+gma500_gfx-$(CONFIG_DRM_GMA600) += oaktrail_device.o \
+ oaktrail_crtc.o \
+ oaktrail_lvds.o \
+ oaktrail_lvds_i2c.o \
+ oaktrail_hdmi.o \
+ oaktrail_hdmi_i2c.o
+
+gma500_gfx-$(CONFIG_DRM_MEDFIELD) += mdfld_device.o \
+ mdfld_output.o \
+ mdfld_intel_display.o \
+ mdfld_dsi_output.o \
+ mdfld_dsi_dpi.o \
+ mdfld_dsi_pkg_sender.o \
+ mdfld_tpo_vid.o \
+ mdfld_tmd_vid.o \
+ tc35876x-dsi-lvds.o
+
+obj-$(CONFIG_DRM_GMA500) += gma500_gfx.o
diff --git a/drivers/gpu/drm/gma500/accel_2d.c b/drivers/gpu/drm/gma500/accel_2d.c
new file mode 100644
index 0000000..db9f7d0
--- /dev/null
+++ b/drivers/gpu/drm/gma500/accel_2d.c
@@ -0,0 +1,364 @@
+/**************************************************************************
+ * Copyright (c) 2007-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ * develop this driver.
+ *
+ **************************************************************************/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/console.h>
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/drm_crtc.h>
+
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "framebuffer.h"
+
+/**
+ * psb_spank - reset the 2D engine
+ * @dev_priv: our PSB DRM device
+ *
+ * Soft reset the graphics engine and then reload the necessary registers.
+ * We use this at initialisation time but it will become relevant for
+ * accelerated X later
+ */
+void psb_spank(struct drm_psb_private *dev_priv)
+{
+ PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
+ _PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
+ _PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
+ _PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
+ PSB_RSGX32(PSB_CR_SOFT_RESET);
+
+ msleep(1);
+
+ PSB_WSGX32(0, PSB_CR_SOFT_RESET);
+ wmb();
+ PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
+ PSB_CR_BIF_CTRL);
+ wmb();
+ (void) PSB_RSGX32(PSB_CR_BIF_CTRL);
+
+ msleep(1);
+ PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
+ PSB_CR_BIF_CTRL);
+ (void) PSB_RSGX32(PSB_CR_BIF_CTRL);
+ PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
+}
+
+/**
+ * psb2_2d_wait_available - wait for FIFO room
+ * @dev_priv: our DRM device
+ * @size: size (in dwords) of the command we want to issue
+ *
+ * Wait until there is room to load the FIFO with our data. If the
+ * device is not responding then reset it
+ */
+static int psb_2d_wait_available(struct drm_psb_private *dev_priv,
+ unsigned size)
+{
+ uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
+ unsigned long t = jiffies + HZ;
+
+ while (avail < size) {
+ avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
+ if (time_after(jiffies, t)) {
+ psb_spank(dev_priv);
+ return -EIO;
+ }
+ }
+ return 0;
+}
+
+/**
+ * psb_2d_submit - submit a 2D command
+ * @dev_priv: our DRM device
+ * @cmdbuf: command to issue
+ * @size: length (in dwords)
+ *
+ * Issue one or more 2D commands to the accelerator. This needs to be
+ * serialized later when we add the GEM interfaces for acceleration
+ */
+static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
+ unsigned size)
+{
+ int ret = 0;
+ int i;
+ unsigned submit_size;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev_priv->lock_2d, flags);
+ while (size > 0) {
+ submit_size = (size < 0x60) ? size : 0x60;
+ size -= submit_size;
+ ret = psb_2d_wait_available(dev_priv, submit_size);
+ if (ret)
+ break;
+
+ submit_size <<= 2;
+
+ for (i = 0; i < submit_size; i += 4)
+ PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i);
+
+ (void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4);
+ }
+ spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
+ return ret;
+}
+
+
+/**
+ * psb_accel_2d_copy_direction - compute blit order
+ * @xdir: X direction of move
+ * @ydir: Y direction of move
+ *
+ * Compute the correct order setings to ensure that an overlapping blit
+ * correctly copies all the pixels.
+ */
+static u32 psb_accel_2d_copy_direction(int xdir, int ydir)
+{
+ if (xdir < 0)
+ return (ydir < 0) ? PSB_2D_COPYORDER_BR2TL :
+ PSB_2D_COPYORDER_TR2BL;
+ else
+ return (ydir < 0) ? PSB_2D_COPYORDER_BL2TR :
+ PSB_2D_COPYORDER_TL2BR;
+}
+
+/**
+ * psb_accel_2d_copy - accelerated 2D copy
+ * @dev_priv: our DRM device
+ * @src_offset in bytes
+ * @src_stride in bytes
+ * @src_format psb 2D format defines
+ * @dst_offset in bytes
+ * @dst_stride in bytes
+ * @dst_format psb 2D format defines
+ * @src_x offset in pixels
+ * @src_y offset in pixels
+ * @dst_x offset in pixels
+ * @dst_y offset in pixels
+ * @size_x of the copied area
+ * @size_y of the copied area
+ *
+ * Format and issue a 2D accelerated copy command.
+ */
+static int psb_accel_2d_copy(struct drm_psb_private *dev_priv,
+ uint32_t src_offset, uint32_t src_stride,
+ uint32_t src_format, uint32_t dst_offset,
+ uint32_t dst_stride, uint32_t dst_format,
+ uint16_t src_x, uint16_t src_y,
+ uint16_t dst_x, uint16_t dst_y,
+ uint16_t size_x, uint16_t size_y)
+{
+ uint32_t blit_cmd;
+ uint32_t buffer[10];
+ uint32_t *buf;
+ uint32_t direction;
+
+ buf = buffer;
+
+ direction =
+ psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y);
+
+ if (direction == PSB_2D_COPYORDER_BR2TL ||
+ direction == PSB_2D_COPYORDER_TR2BL) {
+ src_x += size_x - 1;
+ dst_x += size_x - 1;
+ }
+ if (direction == PSB_2D_COPYORDER_BR2TL ||
+ direction == PSB_2D_COPYORDER_BL2TR) {
+ src_y += size_y - 1;
+ dst_y += size_y - 1;
+ }
+
+ blit_cmd =
+ PSB_2D_BLIT_BH |
+ PSB_2D_ROT_NONE |
+ PSB_2D_DSTCK_DISABLE |
+ PSB_2D_SRCCK_DISABLE |
+ PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction;
+
+ *buf++ = PSB_2D_FENCE_BH;
+ *buf++ =
+ PSB_2D_DST_SURF_BH | dst_format | (dst_stride <<
+ PSB_2D_DST_STRIDE_SHIFT);
+ *buf++ = dst_offset;
+ *buf++ =
+ PSB_2D_SRC_SURF_BH | src_format | (src_stride <<
+ PSB_2D_SRC_STRIDE_SHIFT);
+ *buf++ = src_offset;
+ *buf++ =
+ PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) |
+ (src_y << PSB_2D_SRCOFF_YSTART_SHIFT);
+ *buf++ = blit_cmd;
+ *buf++ =
+ (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y <<
+ PSB_2D_DST_YSTART_SHIFT);
+ *buf++ =
+ (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y <<
+ PSB_2D_DST_YSIZE_SHIFT);
+ *buf++ = PSB_2D_FLUSH_BH;
+
+ return psbfb_2d_submit(dev_priv, buffer, buf - buffer);
+}
+
+/**
+ * psbfb_copyarea_accel - copyarea acceleration for /dev/fb
+ * @info: our framebuffer
+ * @a: copyarea parameters from the framebuffer core
+ *
+ * Perform a 2D copy via the accelerator
+ */
+static void psbfb_copyarea_accel(struct fb_info *info,
+ const struct fb_copyarea *a)
+{
+ struct psb_fbdev *fbdev = info->par;
+ struct psb_framebuffer *psbfb = &fbdev->pfb;
+ struct drm_device *dev = psbfb->base.dev;
+ struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ uint32_t offset;
+ uint32_t stride;
+ uint32_t src_format;
+ uint32_t dst_format;
+
+ if (!fb)
+ return;
+
+ offset = psbfb->gtt->offset;
+ stride = fb->pitches[0];
+
+ switch (fb->depth) {
+ case 8:
+ src_format = PSB_2D_SRC_332RGB;
+ dst_format = PSB_2D_DST_332RGB;
+ break;
+ case 15:
+ src_format = PSB_2D_SRC_555RGB;
+ dst_format = PSB_2D_DST_555RGB;
+ break;
+ case 16:
+ src_format = PSB_2D_SRC_565RGB;
+ dst_format = PSB_2D_DST_565RGB;
+ break;
+ case 24:
+ case 32:
+ /* this is wrong but since we don't do blending its okay */
+ src_format = PSB_2D_SRC_8888ARGB;
+ dst_format = PSB_2D_DST_8888ARGB;
+ break;
+ default:
+ /* software fallback */
+ drm_fb_helper_cfb_copyarea(info, a);
+ return;
+ }
+
+ if (!gma_power_begin(dev, false)) {
+ drm_fb_helper_cfb_copyarea(info, a);
+ return;
+ }
+ psb_accel_2d_copy(dev_priv,
+ offset, stride, src_format,
+ offset, stride, dst_format,
+ a->sx, a->sy, a->dx, a->dy, a->width, a->height);
+ gma_power_end(dev);
+}
+
+/**
+ * psbfb_copyarea - 2D copy interface
+ * @info: our framebuffer
+ * @region: region to copy
+ *
+ * Copy an area of the framebuffer console either by the accelerator
+ * or directly using the cfb helpers according to the request
+ */
+void psbfb_copyarea(struct fb_info *info,
+ const struct fb_copyarea *region)
+{
+ if (unlikely(info->state != FBINFO_STATE_RUNNING))
+ return;
+
+ /* Avoid the 8 pixel erratum */
+ if (region->width == 8 || region->height == 8 ||
+ (info->flags & FBINFO_HWACCEL_DISABLED))
+ return drm_fb_helper_cfb_copyarea(info, region);
+
+ psbfb_copyarea_accel(info, region);
+}
+
+/**
+ * psbfb_sync - synchronize 2D
+ * @info: our framebuffer
+ *
+ * Wait for the 2D engine to quiesce so that we can do CPU
+ * access to the framebuffer again
+ */
+int psbfb_sync(struct fb_info *info)
+{
+ struct psb_fbdev *fbdev = info->par;
+ struct psb_framebuffer *psbfb = &fbdev->pfb;
+ struct drm_device *dev = psbfb->base.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long _end = jiffies + HZ;
+ int busy = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev_priv->lock_2d, flags);
+ /*
+ * First idle the 2D engine.
+ */
+
+ if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
+ ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
+ goto out;
+
+ do {
+ busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
+ cpu_relax();
+ } while (busy && !time_after_eq(jiffies, _end));
+
+ if (busy)
+ busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
+ if (busy)
+ goto out;
+
+ do {
+ busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
+ _PSB_C2B_STATUS_BUSY) != 0);
+ cpu_relax();
+ } while (busy && !time_after_eq(jiffies, _end));
+ if (busy)
+ busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
+ _PSB_C2B_STATUS_BUSY) != 0);
+
+out:
+ spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
+ return (busy) ? -EBUSY : 0;
+}
diff --git a/drivers/gpu/drm/gma500/backlight.c b/drivers/gpu/drm/gma500/backlight.c
new file mode 100644
index 0000000..ea7dfc5
--- /dev/null
+++ b/drivers/gpu/drm/gma500/backlight.c
@@ -0,0 +1,94 @@
+/*
+ * GMA500 Backlight Interface
+ *
+ * Copyright (c) 2009-2011, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors: Eric Knopp
+ *
+ */
+
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_intel_drv.h"
+#include "intel_bios.h"
+#include "power.h"
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+static void do_gma_backlight_set(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ backlight_update_status(dev_priv->backlight_device);
+}
+#endif
+
+void gma_backlight_enable(struct drm_device *dev)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ dev_priv->backlight_enabled = true;
+ if (dev_priv->backlight_device) {
+ dev_priv->backlight_device->props.brightness = dev_priv->backlight_level;
+ do_gma_backlight_set(dev);
+ }
+#endif
+}
+
+void gma_backlight_disable(struct drm_device *dev)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ dev_priv->backlight_enabled = false;
+ if (dev_priv->backlight_device) {
+ dev_priv->backlight_device->props.brightness = 0;
+ do_gma_backlight_set(dev);
+ }
+#endif
+}
+
+void gma_backlight_set(struct drm_device *dev, int v)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ dev_priv->backlight_level = v;
+ if (dev_priv->backlight_device && dev_priv->backlight_enabled) {
+ dev_priv->backlight_device->props.brightness = v;
+ do_gma_backlight_set(dev);
+ }
+#endif
+}
+
+int gma_backlight_init(struct drm_device *dev)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ dev_priv->backlight_enabled = true;
+ return dev_priv->ops->backlight_init(dev);
+#else
+ return 0;
+#endif
+}
+
+void gma_backlight_exit(struct drm_device *dev)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ if (dev_priv->backlight_device) {
+ dev_priv->backlight_device->props.brightness = 0;
+ backlight_update_status(dev_priv->backlight_device);
+ backlight_device_unregister(dev_priv->backlight_device);
+ }
+#endif
+}
diff --git a/drivers/gpu/drm/gma500/blitter.c b/drivers/gpu/drm/gma500/blitter.c
new file mode 100644
index 0000000..9cd54a6
--- /dev/null
+++ b/drivers/gpu/drm/gma500/blitter.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2014, Patrik Jakobsson
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * Authors: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
+ */
+
+#include "psb_drv.h"
+
+#include "blitter.h"
+#include "psb_reg.h"
+
+/* Wait for the blitter to be completely idle */
+int gma_blt_wait_idle(struct drm_psb_private *dev_priv)
+{
+ unsigned long stop = jiffies + HZ;
+ int busy = 1;
+
+ /* NOP for Cedarview */
+ if (IS_CDV(dev_priv->dev))
+ return 0;
+
+ /* First do a quick check */
+ if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
+ ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
+ return 0;
+
+ do {
+ busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
+ } while (busy && !time_after_eq(jiffies, stop));
+
+ if (busy)
+ return -EBUSY;
+
+ do {
+ busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
+ _PSB_C2B_STATUS_BUSY) != 0);
+ } while (busy && !time_after_eq(jiffies, stop));
+
+ /* If still busy, we probably have a hang */
+ return (busy) ? -EBUSY : 0;
+}
diff --git a/drivers/gpu/drm/gma500/blitter.h b/drivers/gpu/drm/gma500/blitter.h
new file mode 100644
index 0000000..b83648d
--- /dev/null
+++ b/drivers/gpu/drm/gma500/blitter.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014, Patrik Jakobsson
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * Authors: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
+ */
+
+#ifndef __BLITTER_H
+#define __BLITTER_H
+
+extern int gma_blt_wait_idle(struct drm_psb_private *dev_priv);
+
+#endif
diff --git a/drivers/gpu/drm/gma500/cdv_device.c b/drivers/gpu/drm/gma500/cdv_device.c
new file mode 100644
index 0000000..3531f90
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_device.c
@@ -0,0 +1,626 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <linux/backlight.h>
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include "intel_bios.h"
+#include "cdv_device.h"
+#include "gma_device.h"
+
+#define VGA_SR_INDEX 0x3c4
+#define VGA_SR_DATA 0x3c5
+
+static void cdv_disable_vga(struct drm_device *dev)
+{
+ u8 sr1;
+ u32 vga_reg;
+
+ vga_reg = VGACNTRL;
+
+ outb(1, VGA_SR_INDEX);
+ sr1 = inb(VGA_SR_DATA);
+ outb(sr1 | 1<<5, VGA_SR_DATA);
+ udelay(300);
+
+ REG_WRITE(vga_reg, VGA_DISP_DISABLE);
+ REG_READ(vga_reg);
+}
+
+static int cdv_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ drm_mode_create_scaling_mode_property(dev);
+
+ cdv_disable_vga(dev);
+
+ cdv_intel_crt_init(dev, &dev_priv->mode_dev);
+ cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
+
+ /* These bits indicate HDMI not SDVO on CDV */
+ if (REG_READ(SDVOB) & SDVO_DETECTED) {
+ cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
+ if (REG_READ(DP_B) & DP_DETECTED)
+ cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_B);
+ }
+
+ if (REG_READ(SDVOC) & SDVO_DETECTED) {
+ cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
+ if (REG_READ(DP_C) & DP_DETECTED)
+ cdv_intel_dp_init(dev, &dev_priv->mode_dev, DP_C);
+ }
+ return 0;
+}
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+
+/*
+ * Cedartrail Backlght Interfaces
+ */
+
+static struct backlight_device *cdv_backlight_device;
+
+static int cdv_backlight_combination_mode(struct drm_device *dev)
+{
+ return REG_READ(BLC_PWM_CTL2) & PWM_LEGACY_MODE;
+}
+
+static u32 cdv_get_max_backlight(struct drm_device *dev)
+{
+ u32 max = REG_READ(BLC_PWM_CTL);
+
+ if (max == 0) {
+ DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n");
+ /* i915 does this, I believe which means that we should not
+ * smash PWM control as firmware will take control of it. */
+ return 1;
+ }
+
+ max >>= 16;
+ if (cdv_backlight_combination_mode(dev))
+ max *= 0xff;
+ return max;
+}
+
+static int cdv_get_brightness(struct backlight_device *bd)
+{
+ struct drm_device *dev = bl_get_data(bd);
+ u32 val = REG_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
+
+ if (cdv_backlight_combination_mode(dev)) {
+ u8 lbpc;
+
+ val &= ~1;
+ pci_read_config_byte(dev->pdev, 0xF4, &lbpc);
+ val *= lbpc;
+ }
+ return (val * 100)/cdv_get_max_backlight(dev);
+
+}
+
+static int cdv_set_brightness(struct backlight_device *bd)
+{
+ struct drm_device *dev = bl_get_data(bd);
+ int level = bd->props.brightness;
+ u32 blc_pwm_ctl;
+
+ /* Percentage 1-100% being valid */
+ if (level < 1)
+ level = 1;
+
+ level *= cdv_get_max_backlight(dev);
+ level /= 100;
+
+ if (cdv_backlight_combination_mode(dev)) {
+ u32 max = cdv_get_max_backlight(dev);
+ u8 lbpc;
+
+ lbpc = level * 0xfe / max + 1;
+ level /= lbpc;
+
+ pci_write_config_byte(dev->pdev, 0xF4, lbpc);
+ }
+
+ blc_pwm_ctl = REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ REG_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
+ return 0;
+}
+
+static const struct backlight_ops cdv_ops = {
+ .get_brightness = cdv_get_brightness,
+ .update_status = cdv_set_brightness,
+};
+
+static int cdv_backlight_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct backlight_properties props;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 100;
+ props.type = BACKLIGHT_PLATFORM;
+
+ cdv_backlight_device = backlight_device_register("psb-bl",
+ NULL, (void *)dev, &cdv_ops, &props);
+ if (IS_ERR(cdv_backlight_device))
+ return PTR_ERR(cdv_backlight_device);
+
+ cdv_backlight_device->props.brightness =
+ cdv_get_brightness(cdv_backlight_device);
+ backlight_update_status(cdv_backlight_device);
+ dev_priv->backlight_device = cdv_backlight_device;
+ dev_priv->backlight_enabled = true;
+ return 0;
+}
+
+#endif
+
+/*
+ * Provide the Cedarview specific chip logic and low level methods
+ * for power management
+ *
+ * FIXME: we need to implement the apm/ospm base management bits
+ * for this and the MID devices.
+ */
+
+static inline u32 CDV_MSG_READ32(uint port, uint offset)
+{
+ int mcr = (0x10<<24) | (port << 16) | (offset << 8);
+ uint32_t ret_val = 0;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_read_config_dword(pci_root, 0xD4, &ret_val);
+ pci_dev_put(pci_root);
+ return ret_val;
+}
+
+static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value)
+{
+ int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ pci_write_config_dword(pci_root, 0xD4, value);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_dev_put(pci_root);
+}
+
+#define PSB_PM_SSC 0x20
+#define PSB_PM_SSS 0x30
+#define PSB_PWRGT_GFX_ON 0x02
+#define PSB_PWRGT_GFX_OFF 0x01
+#define PSB_PWRGT_GFX_D0 0x00
+#define PSB_PWRGT_GFX_D3 0x03
+
+static void cdv_init_pm(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_cnt;
+ int i;
+
+ dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
+ PSB_APMBA) & 0xFFFF;
+ dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
+ PSB_OSPMBA) & 0xFFFF;
+
+ /* Power status */
+ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
+
+ /* Enable the GPU */
+ pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
+ pwr_cnt |= PSB_PWRGT_GFX_ON;
+ outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
+
+ /* Wait for the GPU power */
+ for (i = 0; i < 5; i++) {
+ u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
+ if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
+ return;
+ udelay(10);
+ }
+ dev_err(dev->dev, "GPU: power management timed out.\n");
+}
+
+static void cdv_errata(struct drm_device *dev)
+{
+ /* Disable bonus launch.
+ * CPU and GPU competes for memory and display misses updates and
+ * flickers. Worst with dual core, dual displays.
+ *
+ * Fixes were done to Win 7 gfx driver to disable a feature called
+ * Bonus Launch to work around the issue, by degrading
+ * performance.
+ */
+ CDV_MSG_WRITE32(3, 0x30, 0x08027108);
+}
+
+/**
+ * cdv_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int cdv_save_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_save_area *regs = &dev_priv->regs;
+ struct drm_connector *connector;
+
+ dev_dbg(dev->dev, "Saving GPU registers.\n");
+
+ pci_read_config_byte(dev->pdev, 0xF4, ®s->cdv.saveLBB);
+
+ regs->cdv.saveDSPCLK_GATE_D = REG_READ(DSPCLK_GATE_D);
+ regs->cdv.saveRAMCLK_GATE_D = REG_READ(RAMCLK_GATE_D);
+
+ regs->cdv.saveDSPARB = REG_READ(DSPARB);
+ regs->cdv.saveDSPFW[0] = REG_READ(DSPFW1);
+ regs->cdv.saveDSPFW[1] = REG_READ(DSPFW2);
+ regs->cdv.saveDSPFW[2] = REG_READ(DSPFW3);
+ regs->cdv.saveDSPFW[3] = REG_READ(DSPFW4);
+ regs->cdv.saveDSPFW[4] = REG_READ(DSPFW5);
+ regs->cdv.saveDSPFW[5] = REG_READ(DSPFW6);
+
+ regs->cdv.saveADPA = REG_READ(ADPA);
+
+ regs->cdv.savePP_CONTROL = REG_READ(PP_CONTROL);
+ regs->cdv.savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
+ regs->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ regs->saveBLC_PWM_CTL2 = REG_READ(BLC_PWM_CTL2);
+ regs->cdv.saveLVDS = REG_READ(LVDS);
+
+ regs->cdv.savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
+
+ regs->cdv.savePP_ON_DELAYS = REG_READ(PP_ON_DELAYS);
+ regs->cdv.savePP_OFF_DELAYS = REG_READ(PP_OFF_DELAYS);
+ regs->cdv.savePP_CYCLE = REG_READ(PP_CYCLE);
+
+ regs->cdv.saveVGACNTRL = REG_READ(VGACNTRL);
+
+ regs->cdv.saveIER = REG_READ(PSB_INT_ENABLE_R);
+ regs->cdv.saveIMR = REG_READ(PSB_INT_MASK_R);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF);
+
+ return 0;
+}
+
+/**
+ * cdv_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ *
+ * FIXME: review
+ */
+static int cdv_restore_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_save_area *regs = &dev_priv->regs;
+ struct drm_connector *connector;
+ u32 temp;
+
+ pci_write_config_byte(dev->pdev, 0xF4, regs->cdv.saveLBB);
+
+ REG_WRITE(DSPCLK_GATE_D, regs->cdv.saveDSPCLK_GATE_D);
+ REG_WRITE(RAMCLK_GATE_D, regs->cdv.saveRAMCLK_GATE_D);
+
+ /* BIOS does below anyway */
+ REG_WRITE(DPIO_CFG, 0);
+ REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
+
+ temp = REG_READ(DPLL_A);
+ if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
+ REG_WRITE(DPLL_A, temp | DPLL_SYNCLOCK_ENABLE);
+ REG_READ(DPLL_A);
+ }
+
+ temp = REG_READ(DPLL_B);
+ if ((temp & DPLL_SYNCLOCK_ENABLE) == 0) {
+ REG_WRITE(DPLL_B, temp | DPLL_SYNCLOCK_ENABLE);
+ REG_READ(DPLL_B);
+ }
+
+ udelay(500);
+
+ REG_WRITE(DSPFW1, regs->cdv.saveDSPFW[0]);
+ REG_WRITE(DSPFW2, regs->cdv.saveDSPFW[1]);
+ REG_WRITE(DSPFW3, regs->cdv.saveDSPFW[2]);
+ REG_WRITE(DSPFW4, regs->cdv.saveDSPFW[3]);
+ REG_WRITE(DSPFW5, regs->cdv.saveDSPFW[4]);
+ REG_WRITE(DSPFW6, regs->cdv.saveDSPFW[5]);
+
+ REG_WRITE(DSPARB, regs->cdv.saveDSPARB);
+ REG_WRITE(ADPA, regs->cdv.saveADPA);
+
+ REG_WRITE(BLC_PWM_CTL2, regs->saveBLC_PWM_CTL2);
+ REG_WRITE(LVDS, regs->cdv.saveLVDS);
+ REG_WRITE(PFIT_CONTROL, regs->cdv.savePFIT_CONTROL);
+ REG_WRITE(PFIT_PGM_RATIOS, regs->cdv.savePFIT_PGM_RATIOS);
+ REG_WRITE(BLC_PWM_CTL, regs->saveBLC_PWM_CTL);
+ REG_WRITE(PP_ON_DELAYS, regs->cdv.savePP_ON_DELAYS);
+ REG_WRITE(PP_OFF_DELAYS, regs->cdv.savePP_OFF_DELAYS);
+ REG_WRITE(PP_CYCLE, regs->cdv.savePP_CYCLE);
+ REG_WRITE(PP_CONTROL, regs->cdv.savePP_CONTROL);
+
+ REG_WRITE(VGACNTRL, regs->cdv.saveVGACNTRL);
+
+ REG_WRITE(PSB_INT_ENABLE_R, regs->cdv.saveIER);
+ REG_WRITE(PSB_INT_MASK_R, regs->cdv.saveIMR);
+
+ /* Fix arbitration bug */
+ cdv_errata(dev);
+
+ drm_mode_config_reset(dev);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ connector->funcs->dpms(connector, DRM_MODE_DPMS_ON);
+
+ /* Resume the modeset for every activated CRTC */
+ drm_helper_resume_force_mode(dev);
+ return 0;
+}
+
+static int cdv_power_down(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_cnt, pwr_mask, pwr_sts;
+ int tries = 5;
+
+ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
+ pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
+ pwr_cnt |= PSB_PWRGT_GFX_OFF;
+ pwr_mask = PSB_PWRGT_GFX_MASK;
+
+ outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
+
+ while (tries--) {
+ pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
+ if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D3)
+ return 0;
+ udelay(10);
+ }
+ return 0;
+}
+
+static int cdv_power_up(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_cnt, pwr_mask, pwr_sts;
+ int tries = 5;
+
+ pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
+ pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
+ pwr_cnt |= PSB_PWRGT_GFX_ON;
+ pwr_mask = PSB_PWRGT_GFX_MASK;
+
+ outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
+
+ while (tries--) {
+ pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
+ if ((pwr_sts & pwr_mask) == PSB_PWRGT_GFX_D0)
+ return 0;
+ udelay(10);
+ }
+ return 0;
+}
+
+static void cdv_hotplug_work_func(struct work_struct *work)
+{
+ struct drm_psb_private *dev_priv = container_of(work, struct drm_psb_private,
+ hotplug_work);
+ struct drm_device *dev = dev_priv->dev;
+
+ /* Just fire off a uevent and let userspace tell us what to do */
+ drm_helper_hpd_irq_event(dev);
+}
+
+/* The core driver has received a hotplug IRQ. We are in IRQ context
+ so extract the needed information and kick off queued processing */
+
+static int cdv_hotplug_event(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ schedule_work(&dev_priv->hotplug_work);
+ REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
+ return 1;
+}
+
+static void cdv_hotplug_enable(struct drm_device *dev, bool on)
+{
+ if (on) {
+ u32 hotplug = REG_READ(PORT_HOTPLUG_EN);
+ hotplug |= HDMIB_HOTPLUG_INT_EN | HDMIC_HOTPLUG_INT_EN |
+ HDMID_HOTPLUG_INT_EN | CRT_HOTPLUG_INT_EN;
+ REG_WRITE(PORT_HOTPLUG_EN, hotplug);
+ } else {
+ REG_WRITE(PORT_HOTPLUG_EN, 0);
+ REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
+ }
+}
+
+static const char *force_audio_names[] = {
+ "off",
+ "auto",
+ "on",
+};
+
+void cdv_intel_attach_force_audio_property(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_property *prop;
+ int i;
+
+ prop = dev_priv->force_audio_property;
+ if (prop == NULL) {
+ prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "audio",
+ ARRAY_SIZE(force_audio_names));
+ if (prop == NULL)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(force_audio_names); i++)
+ drm_property_add_enum(prop, i, i-1, force_audio_names[i]);
+
+ dev_priv->force_audio_property = prop;
+ }
+ drm_object_attach_property(&connector->base, prop, 0);
+}
+
+
+static const char *broadcast_rgb_names[] = {
+ "Full",
+ "Limited 16:235",
+};
+
+void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_property *prop;
+ int i;
+
+ prop = dev_priv->broadcast_rgb_property;
+ if (prop == NULL) {
+ prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "Broadcast RGB",
+ ARRAY_SIZE(broadcast_rgb_names));
+ if (prop == NULL)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(broadcast_rgb_names); i++)
+ drm_property_add_enum(prop, i, i, broadcast_rgb_names[i]);
+
+ dev_priv->broadcast_rgb_property = prop;
+ }
+
+ drm_object_attach_property(&connector->base, prop, 0);
+}
+
+/* Cedarview */
+static const struct psb_offset cdv_regmap[2] = {
+ {
+ .fp0 = FPA0,
+ .fp1 = FPA1,
+ .cntr = DSPACNTR,
+ .conf = PIPEACONF,
+ .src = PIPEASRC,
+ .dpll = DPLL_A,
+ .dpll_md = DPLL_A_MD,
+ .htotal = HTOTAL_A,
+ .hblank = HBLANK_A,
+ .hsync = HSYNC_A,
+ .vtotal = VTOTAL_A,
+ .vblank = VBLANK_A,
+ .vsync = VSYNC_A,
+ .stride = DSPASTRIDE,
+ .size = DSPASIZE,
+ .pos = DSPAPOS,
+ .base = DSPABASE,
+ .surf = DSPASURF,
+ .addr = DSPABASE,
+ .status = PIPEASTAT,
+ .linoff = DSPALINOFF,
+ .tileoff = DSPATILEOFF,
+ .palette = PALETTE_A,
+ },
+ {
+ .fp0 = FPB0,
+ .fp1 = FPB1,
+ .cntr = DSPBCNTR,
+ .conf = PIPEBCONF,
+ .src = PIPEBSRC,
+ .dpll = DPLL_B,
+ .dpll_md = DPLL_B_MD,
+ .htotal = HTOTAL_B,
+ .hblank = HBLANK_B,
+ .hsync = HSYNC_B,
+ .vtotal = VTOTAL_B,
+ .vblank = VBLANK_B,
+ .vsync = VSYNC_B,
+ .stride = DSPBSTRIDE,
+ .size = DSPBSIZE,
+ .pos = DSPBPOS,
+ .base = DSPBBASE,
+ .surf = DSPBSURF,
+ .addr = DSPBBASE,
+ .status = PIPEBSTAT,
+ .linoff = DSPBLINOFF,
+ .tileoff = DSPBTILEOFF,
+ .palette = PALETTE_B,
+ }
+};
+
+static int cdv_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ INIT_WORK(&dev_priv->hotplug_work, cdv_hotplug_work_func);
+
+ if (pci_enable_msi(dev->pdev))
+ dev_warn(dev->dev, "Enabling MSI failed!\n");
+ dev_priv->regmap = cdv_regmap;
+ gma_get_core_freq(dev);
+ psb_intel_opregion_init(dev);
+ psb_intel_init_bios(dev);
+ cdv_hotplug_enable(dev, false);
+ return 0;
+}
+
+/* CDV is much like Poulsbo but has MID like SGX offsets and PM */
+
+const struct psb_ops cdv_chip_ops = {
+ .name = "GMA3600/3650",
+ .accel_2d = 0,
+ .pipes = 2,
+ .crtcs = 2,
+ .hdmi_mask = (1 << 0) | (1 << 1),
+ .lvds_mask = (1 << 1),
+ .sdvo_mask = (1 << 0),
+ .cursor_needs_phys = 0,
+ .sgx_offset = MRST_SGX_OFFSET,
+ .chip_setup = cdv_chip_setup,
+ .errata = cdv_errata,
+
+ .crtc_helper = &cdv_intel_helper_funcs,
+ .crtc_funcs = &cdv_intel_crtc_funcs,
+ .clock_funcs = &cdv_clock_funcs,
+
+ .output_init = cdv_output_init,
+ .hotplug = cdv_hotplug_event,
+ .hotplug_enable = cdv_hotplug_enable,
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ .backlight_init = cdv_backlight_init,
+#endif
+
+ .init_pm = cdv_init_pm,
+ .save_regs = cdv_save_display_registers,
+ .restore_regs = cdv_restore_display_registers,
+ .power_down = cdv_power_down,
+ .power_up = cdv_power_up,
+ .update_wm = cdv_update_wm,
+ .disable_sr = cdv_disable_sr,
+};
diff --git a/drivers/gpu/drm/gma500/cdv_device.h b/drivers/gpu/drm/gma500/cdv_device.h
new file mode 100644
index 0000000..705c11d
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_device.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
+extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
+extern const struct gma_clock_funcs cdv_clock_funcs;
+extern void cdv_intel_crt_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev);
+extern void cdv_intel_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev);
+extern void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev,
+ int reg);
+extern struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
+ struct drm_crtc *crtc);
+extern void cdv_update_wm(struct drm_device *dev, struct drm_crtc *crtc);
+extern void cdv_disable_sr(struct drm_device *dev);
diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c
new file mode 100644
index 0000000..248c33a
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c
@@ -0,0 +1,317 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/i2c.h>
+#include <drm/drmP.h>
+
+#include "intel_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "power.h"
+#include "cdv_device.h"
+#include <linux/pm_runtime.h>
+
+
+static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ u32 temp, reg;
+ reg = ADPA;
+
+ temp = REG_READ(reg);
+ temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
+ temp &= ~ADPA_DAC_ENABLE;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ temp |= ADPA_DAC_ENABLE;
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
+ break;
+ case DRM_MODE_DPMS_SUSPEND:
+ temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
+ break;
+ case DRM_MODE_DPMS_OFF:
+ temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
+ break;
+ }
+
+ REG_WRITE(reg, temp);
+}
+
+static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ /* The lowest clock for CDV is 20000KHz */
+ if (mode->clock < 20000)
+ return MODE_CLOCK_LOW;
+
+ /* The max clock for CDV is 355 instead of 400 */
+ if (mode->clock > 355000)
+ return MODE_CLOCK_HIGH;
+
+ return MODE_OK;
+}
+
+static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+
+ struct drm_device *dev = encoder->dev;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int dpll_md_reg;
+ u32 adpa, dpll_md;
+ u32 adpa_reg;
+
+ if (gma_crtc->pipe == 0)
+ dpll_md_reg = DPLL_A_MD;
+ else
+ dpll_md_reg = DPLL_B_MD;
+
+ adpa_reg = ADPA;
+
+ /*
+ * Disable separate mode multiplier used when cloning SDVO to CRT
+ * XXX this needs to be adjusted when we really are cloning
+ */
+ {
+ dpll_md = REG_READ(dpll_md_reg);
+ REG_WRITE(dpll_md_reg,
+ dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
+ }
+
+ adpa = 0;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ adpa |= ADPA_HSYNC_ACTIVE_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ adpa |= ADPA_VSYNC_ACTIVE_HIGH;
+
+ if (gma_crtc->pipe == 0)
+ adpa |= ADPA_PIPE_A_SELECT;
+ else
+ adpa |= ADPA_PIPE_B_SELECT;
+
+ REG_WRITE(adpa_reg, adpa);
+}
+
+
+/**
+ * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
+ *
+ * \return true if CRT is connected.
+ * \return false if CRT is disconnected.
+ */
+static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
+ bool force)
+{
+ struct drm_device *dev = connector->dev;
+ u32 hotplug_en;
+ int i, tries = 0, ret = false;
+ u32 orig;
+
+ /*
+ * On a CDV thep, CRT detect sequence need to be done twice
+ * to get a reliable result.
+ */
+ tries = 2;
+
+ orig = hotplug_en = REG_READ(PORT_HOTPLUG_EN);
+ hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
+ hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
+
+ hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
+ hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
+
+ for (i = 0; i < tries ; i++) {
+ unsigned long timeout;
+ /* turn on the FORCE_DETECT */
+ REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
+ timeout = jiffies + msecs_to_jiffies(1000);
+ /* wait for FORCE_DETECT to go off */
+ do {
+ if (!(REG_READ(PORT_HOTPLUG_EN) &
+ CRT_HOTPLUG_FORCE_DETECT))
+ break;
+ msleep(1);
+ } while (time_after(timeout, jiffies));
+ }
+
+ if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
+ CRT_HOTPLUG_MONITOR_NONE)
+ ret = true;
+
+ /* clear the interrupt we just generated, if any */
+ REG_WRITE(PORT_HOTPLUG_STAT, CRT_HOTPLUG_INT_STATUS);
+
+ /* and put the bits back */
+ REG_WRITE(PORT_HOTPLUG_EN, orig);
+ return ret;
+}
+
+static enum drm_connector_status cdv_intel_crt_detect(
+ struct drm_connector *connector, bool force)
+{
+ if (cdv_intel_crt_detect_hotplug(connector, force))
+ return connector_status_connected;
+ else
+ return connector_status_disconnected;
+}
+
+static void cdv_intel_crt_destroy(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+
+ psb_intel_i2c_destroy(gma_encoder->ddc_bus);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static int cdv_intel_crt_get_modes(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ return psb_intel_ddc_get_modes(connector,
+ &gma_encoder->ddc_bus->adapter);
+}
+
+static int cdv_intel_crt_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value)
+{
+ return 0;
+}
+
+/*
+ * Routines for controlling stuff on the analog port
+ */
+
+static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
+ .dpms = cdv_intel_crt_dpms,
+ .mode_fixup = gma_encoder_mode_fixup,
+ .prepare = gma_encoder_prepare,
+ .commit = gma_encoder_commit,
+ .mode_set = cdv_intel_crt_mode_set,
+};
+
+static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = cdv_intel_crt_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = cdv_intel_crt_destroy,
+ .set_property = cdv_intel_crt_set_property,
+};
+
+static const struct drm_connector_helper_funcs
+ cdv_intel_crt_connector_helper_funcs = {
+ .mode_valid = cdv_intel_crt_mode_valid,
+ .get_modes = cdv_intel_crt_get_modes,
+ .best_encoder = gma_best_encoder,
+};
+
+static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
+ .destroy = cdv_intel_crt_enc_destroy,
+};
+
+void cdv_intel_crt_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev)
+{
+
+ struct gma_connector *gma_connector;
+ struct gma_encoder *gma_encoder;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+
+ u32 i2c_reg;
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+ if (!gma_encoder)
+ return;
+
+ gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+ if (!gma_connector)
+ goto failed_connector;
+
+ connector = &gma_connector->base;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ drm_connector_init(dev, connector,
+ &cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
+
+ encoder = &gma_encoder->base;
+ drm_encoder_init(dev, encoder,
+ &cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+
+ /* Set up the DDC bus. */
+ i2c_reg = GPIOA;
+ /* Remove the following code for CDV */
+ /*
+ if (dev_priv->crt_ddc_bus != 0)
+ i2c_reg = dev_priv->crt_ddc_bus;
+ }*/
+ gma_encoder->ddc_bus = psb_intel_i2c_create(dev,
+ i2c_reg, "CRTDDC_A");
+ if (!gma_encoder->ddc_bus) {
+ dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
+ "failed.\n");
+ goto failed_ddc;
+ }
+
+ gma_encoder->type = INTEL_OUTPUT_ANALOG;
+ /*
+ psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
+ psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
+ */
+ connector->interlace_allowed = 0;
+ connector->doublescan_allowed = 0;
+
+ drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
+ drm_connector_helper_add(connector,
+ &cdv_intel_crt_connector_helper_funcs);
+
+ drm_connector_register(connector);
+
+ return;
+failed_ddc:
+ drm_encoder_cleanup(&gma_encoder->base);
+ drm_connector_cleanup(&gma_connector->base);
+ kfree(gma_connector);
+failed_connector:
+ kfree(gma_encoder);
+ return;
+}
diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c
new file mode 100644
index 0000000..7d47b3d
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
@@ -0,0 +1,999 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/i2c.h>
+
+#include <drm/drmP.h>
+#include "framebuffer.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "gma_display.h"
+#include "power.h"
+#include "cdv_device.h"
+
+static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target,
+ int refclk, struct gma_clock_t *best_clock);
+
+
+#define CDV_LIMIT_SINGLE_LVDS_96 0
+#define CDV_LIMIT_SINGLE_LVDS_100 1
+#define CDV_LIMIT_DAC_HDMI_27 2
+#define CDV_LIMIT_DAC_HDMI_96 3
+#define CDV_LIMIT_DP_27 4
+#define CDV_LIMIT_DP_100 5
+
+static const struct gma_limit_t cdv_intel_limits[] = {
+ { /* CDV_SINGLE_LVDS_96MHz */
+ .dot = {.min = 20000, .max = 115500},
+ .vco = {.min = 1800000, .max = 3600000},
+ .n = {.min = 2, .max = 6},
+ .m = {.min = 60, .max = 160},
+ .m1 = {.min = 0, .max = 0},
+ .m2 = {.min = 58, .max = 158},
+ .p = {.min = 28, .max = 140},
+ .p1 = {.min = 2, .max = 10},
+ .p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
+ .find_pll = gma_find_best_pll,
+ },
+ { /* CDV_SINGLE_LVDS_100MHz */
+ .dot = {.min = 20000, .max = 115500},
+ .vco = {.min = 1800000, .max = 3600000},
+ .n = {.min = 2, .max = 6},
+ .m = {.min = 60, .max = 160},
+ .m1 = {.min = 0, .max = 0},
+ .m2 = {.min = 58, .max = 158},
+ .p = {.min = 28, .max = 140},
+ .p1 = {.min = 2, .max = 10},
+ /* The single-channel range is 25-112Mhz, and dual-channel
+ * is 80-224Mhz. Prefer single channel as much as possible.
+ */
+ .p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
+ .find_pll = gma_find_best_pll,
+ },
+ { /* CDV_DAC_HDMI_27MHz */
+ .dot = {.min = 20000, .max = 400000},
+ .vco = {.min = 1809000, .max = 3564000},
+ .n = {.min = 1, .max = 1},
+ .m = {.min = 67, .max = 132},
+ .m1 = {.min = 0, .max = 0},
+ .m2 = {.min = 65, .max = 130},
+ .p = {.min = 5, .max = 90},
+ .p1 = {.min = 1, .max = 9},
+ .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
+ .find_pll = gma_find_best_pll,
+ },
+ { /* CDV_DAC_HDMI_96MHz */
+ .dot = {.min = 20000, .max = 400000},
+ .vco = {.min = 1800000, .max = 3600000},
+ .n = {.min = 2, .max = 6},
+ .m = {.min = 60, .max = 160},
+ .m1 = {.min = 0, .max = 0},
+ .m2 = {.min = 58, .max = 158},
+ .p = {.min = 5, .max = 100},
+ .p1 = {.min = 1, .max = 10},
+ .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
+ .find_pll = gma_find_best_pll,
+ },
+ { /* CDV_DP_27MHz */
+ .dot = {.min = 160000, .max = 272000},
+ .vco = {.min = 1809000, .max = 3564000},
+ .n = {.min = 1, .max = 1},
+ .m = {.min = 67, .max = 132},
+ .m1 = {.min = 0, .max = 0},
+ .m2 = {.min = 65, .max = 130},
+ .p = {.min = 5, .max = 90},
+ .p1 = {.min = 1, .max = 9},
+ .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 10},
+ .find_pll = cdv_intel_find_dp_pll,
+ },
+ { /* CDV_DP_100MHz */
+ .dot = {.min = 160000, .max = 272000},
+ .vco = {.min = 1800000, .max = 3600000},
+ .n = {.min = 2, .max = 6},
+ .m = {.min = 60, .max = 164},
+ .m1 = {.min = 0, .max = 0},
+ .m2 = {.min = 58, .max = 162},
+ .p = {.min = 5, .max = 100},
+ .p1 = {.min = 1, .max = 10},
+ .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 10},
+ .find_pll = cdv_intel_find_dp_pll,
+ }
+};
+
+#define _wait_for(COND, MS, W) ({ \
+ unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
+ int ret__ = 0; \
+ while (!(COND)) { \
+ if (time_after(jiffies, timeout__)) { \
+ ret__ = -ETIMEDOUT; \
+ break; \
+ } \
+ if (W && !in_dbg_master()) \
+ msleep(W); \
+ } \
+ ret__; \
+})
+
+#define wait_for(COND, MS) _wait_for(COND, MS, 1)
+
+
+int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val)
+{
+ int ret;
+
+ ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
+ if (ret) {
+ DRM_ERROR("timeout waiting for SB to idle before read\n");
+ return ret;
+ }
+
+ REG_WRITE(SB_ADDR, reg);
+ REG_WRITE(SB_PCKT,
+ SET_FIELD(SB_OPCODE_READ, SB_OPCODE) |
+ SET_FIELD(SB_DEST_DPLL, SB_DEST) |
+ SET_FIELD(0xf, SB_BYTE_ENABLE));
+
+ ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
+ if (ret) {
+ DRM_ERROR("timeout waiting for SB to idle after read\n");
+ return ret;
+ }
+
+ *val = REG_READ(SB_DATA);
+
+ return 0;
+}
+
+int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val)
+{
+ int ret;
+ static bool dpio_debug = true;
+ u32 temp;
+
+ if (dpio_debug) {
+ if (cdv_sb_read(dev, reg, &temp) == 0)
+ DRM_DEBUG_KMS("0x%08x: 0x%08x (before)\n", reg, temp);
+ DRM_DEBUG_KMS("0x%08x: 0x%08x\n", reg, val);
+ }
+
+ ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
+ if (ret) {
+ DRM_ERROR("timeout waiting for SB to idle before write\n");
+ return ret;
+ }
+
+ REG_WRITE(SB_ADDR, reg);
+ REG_WRITE(SB_DATA, val);
+ REG_WRITE(SB_PCKT,
+ SET_FIELD(SB_OPCODE_WRITE, SB_OPCODE) |
+ SET_FIELD(SB_DEST_DPLL, SB_DEST) |
+ SET_FIELD(0xf, SB_BYTE_ENABLE));
+
+ ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
+ if (ret) {
+ DRM_ERROR("timeout waiting for SB to idle after write\n");
+ return ret;
+ }
+
+ if (dpio_debug) {
+ if (cdv_sb_read(dev, reg, &temp) == 0)
+ DRM_DEBUG_KMS("0x%08x: 0x%08x (after)\n", reg, temp);
+ }
+
+ return 0;
+}
+
+/* Reset the DPIO configuration register. The BIOS does this at every
+ * mode set.
+ */
+void cdv_sb_reset(struct drm_device *dev)
+{
+
+ REG_WRITE(DPIO_CFG, 0);
+ REG_READ(DPIO_CFG);
+ REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
+}
+
+/* Unlike most Intel display engines, on Cedarview the DPLL registers
+ * are behind this sideband bus. They must be programmed while the
+ * DPLL reference clock is on in the DPLL control register, but before
+ * the DPLL is enabled in the DPLL control register.
+ */
+static int
+cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc,
+ struct gma_clock_t *clock, bool is_lvds, u32 ddi_select)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ u32 m, n_vco, p;
+ int ret = 0;
+ int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
+ int ref_sfr = (pipe == 0) ? SB_REF_DPLLA : SB_REF_DPLLB;
+ u32 ref_value;
+ u32 lane_reg, lane_value;
+
+ cdv_sb_reset(dev);
+
+ REG_WRITE(dpll_reg, DPLL_SYNCLOCK_ENABLE | DPLL_VGA_MODE_DIS);
+
+ udelay(100);
+
+ /* Follow the BIOS and write the REF/SFR Register. Hardcoded value */
+ ref_value = 0x68A701;
+
+ cdv_sb_write(dev, SB_REF_SFR(pipe), ref_value);
+
+ /* We don't know what the other fields of these regs are, so
+ * leave them in place.
+ */
+ /*
+ * The BIT 14:13 of 0x8010/0x8030 is used to select the ref clk
+ * for the pipe A/B. Display spec 1.06 has wrong definition.
+ * Correct definition is like below:
+ *
+ * refclka mean use clock from same PLL
+ *
+ * if DPLLA sets 01 and DPLLB sets 01, they use clock from their pll
+ *
+ * if DPLLA sets 01 and DPLLB sets 02, both use clk from DPLLA
+ *
+ */
+ ret = cdv_sb_read(dev, ref_sfr, &ref_value);
+ if (ret)
+ return ret;
+ ref_value &= ~(REF_CLK_MASK);
+
+ /* use DPLL_A for pipeB on CRT/HDMI */
+ if (pipe == 1 && !is_lvds && !(ddi_select & DP_MASK)) {
+ DRM_DEBUG_KMS("use DPLLA for pipe B\n");
+ ref_value |= REF_CLK_DPLLA;
+ } else {
+ DRM_DEBUG_KMS("use their DPLL for pipe A/B\n");
+ ref_value |= REF_CLK_DPLL;
+ }
+ ret = cdv_sb_write(dev, ref_sfr, ref_value);
+ if (ret)
+ return ret;
+
+ ret = cdv_sb_read(dev, SB_M(pipe), &m);
+ if (ret)
+ return ret;
+ m &= ~SB_M_DIVIDER_MASK;
+ m |= ((clock->m2) << SB_M_DIVIDER_SHIFT);
+ ret = cdv_sb_write(dev, SB_M(pipe), m);
+ if (ret)
+ return ret;
+
+ ret = cdv_sb_read(dev, SB_N_VCO(pipe), &n_vco);
+ if (ret)
+ return ret;
+
+ /* Follow the BIOS to program the N_DIVIDER REG */
+ n_vco &= 0xFFFF;
+ n_vco |= 0x107;
+ n_vco &= ~(SB_N_VCO_SEL_MASK |
+ SB_N_DIVIDER_MASK |
+ SB_N_CB_TUNE_MASK);
+
+ n_vco |= ((clock->n) << SB_N_DIVIDER_SHIFT);
+
+ if (clock->vco < 2250000) {
+ n_vco |= (2 << SB_N_CB_TUNE_SHIFT);
+ n_vco |= (0 << SB_N_VCO_SEL_SHIFT);
+ } else if (clock->vco < 2750000) {
+ n_vco |= (1 << SB_N_CB_TUNE_SHIFT);
+ n_vco |= (1 << SB_N_VCO_SEL_SHIFT);
+ } else if (clock->vco < 3300000) {
+ n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
+ n_vco |= (2 << SB_N_VCO_SEL_SHIFT);
+ } else {
+ n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
+ n_vco |= (3 << SB_N_VCO_SEL_SHIFT);
+ }
+
+ ret = cdv_sb_write(dev, SB_N_VCO(pipe), n_vco);
+ if (ret)
+ return ret;
+
+ ret = cdv_sb_read(dev, SB_P(pipe), &p);
+ if (ret)
+ return ret;
+ p &= ~(SB_P2_DIVIDER_MASK | SB_P1_DIVIDER_MASK);
+ p |= SET_FIELD(clock->p1, SB_P1_DIVIDER);
+ switch (clock->p2) {
+ case 5:
+ p |= SET_FIELD(SB_P2_5, SB_P2_DIVIDER);
+ break;
+ case 10:
+ p |= SET_FIELD(SB_P2_10, SB_P2_DIVIDER);
+ break;
+ case 14:
+ p |= SET_FIELD(SB_P2_14, SB_P2_DIVIDER);
+ break;
+ case 7:
+ p |= SET_FIELD(SB_P2_7, SB_P2_DIVIDER);
+ break;
+ default:
+ DRM_ERROR("Bad P2 clock: %d\n", clock->p2);
+ return -EINVAL;
+ }
+ ret = cdv_sb_write(dev, SB_P(pipe), p);
+ if (ret)
+ return ret;
+
+ if (ddi_select) {
+ if ((ddi_select & DDI_MASK) == DDI0_SELECT) {
+ lane_reg = PSB_LANE0;
+ cdv_sb_read(dev, lane_reg, &lane_value);
+ lane_value &= ~(LANE_PLL_MASK);
+ lane_value |= LANE_PLL_ENABLE | LANE_PLL_PIPE(pipe);
+ cdv_sb_write(dev, lane_reg, lane_value);
+
+ lane_reg = PSB_LANE1;
+ cdv_sb_read(dev, lane_reg, &lane_value);
+ lane_value &= ~(LANE_PLL_MASK);
+ lane_value |= LANE_PLL_ENABLE | LANE_PLL_PIPE(pipe);
+ cdv_sb_write(dev, lane_reg, lane_value);
+ } else {
+ lane_reg = PSB_LANE2;
+ cdv_sb_read(dev, lane_reg, &lane_value);
+ lane_value &= ~(LANE_PLL_MASK);
+ lane_value |= LANE_PLL_ENABLE | LANE_PLL_PIPE(pipe);
+ cdv_sb_write(dev, lane_reg, lane_value);
+
+ lane_reg = PSB_LANE3;
+ cdv_sb_read(dev, lane_reg, &lane_value);
+ lane_value &= ~(LANE_PLL_MASK);
+ lane_value |= LANE_PLL_ENABLE | LANE_PLL_PIPE(pipe);
+ cdv_sb_write(dev, lane_reg, lane_value);
+ }
+ }
+ return 0;
+}
+
+static const struct gma_limit_t *cdv_intel_limit(struct drm_crtc *crtc,
+ int refclk)
+{
+ const struct gma_limit_t *limit;
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ /*
+ * Now only single-channel LVDS is supported on CDV. If it is
+ * incorrect, please add the dual-channel LVDS.
+ */
+ if (refclk == 96000)
+ limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_96];
+ else
+ limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_100];
+ } else if (gma_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) ||
+ gma_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) {
+ if (refclk == 27000)
+ limit = &cdv_intel_limits[CDV_LIMIT_DP_27];
+ else
+ limit = &cdv_intel_limits[CDV_LIMIT_DP_100];
+ } else {
+ if (refclk == 27000)
+ limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_27];
+ else
+ limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_96];
+ }
+ return limit;
+}
+
+/* m1 is reserved as 0 in CDV, n is a ring counter */
+static void cdv_intel_clock(int refclk, struct gma_clock_t *clock)
+{
+ clock->m = clock->m2 + 2;
+ clock->p = clock->p1 * clock->p2;
+ clock->vco = (refclk * clock->m) / clock->n;
+ clock->dot = clock->vco / clock->p;
+}
+
+static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target,
+ int refclk,
+ struct gma_clock_t *best_clock)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct gma_clock_t clock;
+
+ switch (refclk) {
+ case 27000:
+ if (target < 200000) {
+ clock.p1 = 2;
+ clock.p2 = 10;
+ clock.n = 1;
+ clock.m1 = 0;
+ clock.m2 = 118;
+ } else {
+ clock.p1 = 1;
+ clock.p2 = 10;
+ clock.n = 1;
+ clock.m1 = 0;
+ clock.m2 = 98;
+ }
+ break;
+
+ case 100000:
+ if (target < 200000) {
+ clock.p1 = 2;
+ clock.p2 = 10;
+ clock.n = 5;
+ clock.m1 = 0;
+ clock.m2 = 160;
+ } else {
+ clock.p1 = 1;
+ clock.p2 = 10;
+ clock.n = 5;
+ clock.m1 = 0;
+ clock.m2 = 133;
+ }
+ break;
+
+ default:
+ return false;
+ }
+
+ gma_crtc->clock_funcs->clock(refclk, &clock);
+ memcpy(best_clock, &clock, sizeof(struct gma_clock_t));
+ return true;
+}
+
+#define FIFO_PIPEA (1 << 0)
+#define FIFO_PIPEB (1 << 1)
+
+static bool cdv_intel_pipe_enabled(struct drm_device *dev, int pipe)
+{
+ struct drm_crtc *crtc;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = NULL;
+
+ crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+ gma_crtc = to_gma_crtc(crtc);
+
+ if (crtc->primary->fb == NULL || !gma_crtc->active)
+ return false;
+ return true;
+}
+
+void cdv_disable_sr(struct drm_device *dev)
+{
+ if (REG_READ(FW_BLC_SELF) & FW_BLC_SELF_EN) {
+
+ /* Disable self-refresh before adjust WM */
+ REG_WRITE(FW_BLC_SELF, (REG_READ(FW_BLC_SELF) & ~FW_BLC_SELF_EN));
+ REG_READ(FW_BLC_SELF);
+
+ gma_wait_for_vblank(dev);
+
+ /* Cedarview workaround to write ovelay plane, which force to leave
+ * MAX_FIFO state.
+ */
+ REG_WRITE(OV_OVADD, 0/*dev_priv->ovl_offset*/);
+ REG_READ(OV_OVADD);
+
+ gma_wait_for_vblank(dev);
+ }
+
+}
+
+void cdv_update_wm(struct drm_device *dev, struct drm_crtc *crtc)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+
+ /* Is only one pipe enabled? */
+ if (cdv_intel_pipe_enabled(dev, 0) ^ cdv_intel_pipe_enabled(dev, 1)) {
+ u32 fw;
+
+ fw = REG_READ(DSPFW1);
+ fw &= ~DSP_FIFO_SR_WM_MASK;
+ fw |= (0x7e << DSP_FIFO_SR_WM_SHIFT);
+ fw &= ~CURSOR_B_FIFO_WM_MASK;
+ fw |= (0x4 << CURSOR_B_FIFO_WM_SHIFT);
+ REG_WRITE(DSPFW1, fw);
+
+ fw = REG_READ(DSPFW2);
+ fw &= ~CURSOR_A_FIFO_WM_MASK;
+ fw |= (0x6 << CURSOR_A_FIFO_WM_SHIFT);
+ fw &= ~DSP_PLANE_C_FIFO_WM_MASK;
+ fw |= (0x8 << DSP_PLANE_C_FIFO_WM_SHIFT);
+ REG_WRITE(DSPFW2, fw);
+
+ REG_WRITE(DSPFW3, 0x36000000);
+
+ /* ignore FW4 */
+
+ /* Is pipe b lvds ? */
+ if (gma_crtc->pipe == 1 &&
+ gma_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ REG_WRITE(DSPFW5, 0x00040330);
+ } else {
+ fw = (3 << DSP_PLANE_B_FIFO_WM1_SHIFT) |
+ (4 << DSP_PLANE_A_FIFO_WM1_SHIFT) |
+ (3 << CURSOR_B_FIFO_WM1_SHIFT) |
+ (4 << CURSOR_FIFO_SR_WM1_SHIFT);
+ REG_WRITE(DSPFW5, fw);
+ }
+
+ REG_WRITE(DSPFW6, 0x10);
+
+ gma_wait_for_vblank(dev);
+
+ /* enable self-refresh for single pipe active */
+ REG_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN);
+ REG_READ(FW_BLC_SELF);
+ gma_wait_for_vblank(dev);
+
+ } else {
+
+ /* HW team suggested values... */
+ REG_WRITE(DSPFW1, 0x3f880808);
+ REG_WRITE(DSPFW2, 0x0b020202);
+ REG_WRITE(DSPFW3, 0x24000000);
+ REG_WRITE(DSPFW4, 0x08030202);
+ REG_WRITE(DSPFW5, 0x01010101);
+ REG_WRITE(DSPFW6, 0x1d0);
+
+ gma_wait_for_vblank(dev);
+
+ dev_priv->ops->disable_sr(dev);
+ }
+}
+
+/**
+ * Return the pipe currently connected to the panel fitter,
+ * or -1 if the panel fitter is not present or not in use
+ */
+static int cdv_intel_panel_fitter_pipe(struct drm_device *dev)
+{
+ u32 pfit_control;
+
+ pfit_control = REG_READ(PFIT_CONTROL);
+
+ /* See if the panel fitter is in use */
+ if ((pfit_control & PFIT_ENABLE) == 0)
+ return -1;
+ return (pfit_control >> 29) & 0x3;
+}
+
+static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ int refclk;
+ struct gma_clock_t clock;
+ u32 dpll = 0, dspcntr, pipeconf;
+ bool ok;
+ bool is_crt = false, is_lvds = false, is_tv = false;
+ bool is_hdmi = false, is_dp = false;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *connector;
+ const struct gma_limit_t *limit;
+ u32 ddi_select = 0;
+ bool is_edp = false;
+
+ list_for_each_entry(connector, &mode_config->connector_list, head) {
+ struct gma_encoder *gma_encoder =
+ gma_attached_encoder(connector);
+
+ if (!connector->encoder
+ || connector->encoder->crtc != crtc)
+ continue;
+
+ ddi_select = gma_encoder->ddi_select;
+ switch (gma_encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ is_lvds = true;
+ break;
+ case INTEL_OUTPUT_TVOUT:
+ is_tv = true;
+ break;
+ case INTEL_OUTPUT_ANALOG:
+ is_crt = true;
+ break;
+ case INTEL_OUTPUT_HDMI:
+ is_hdmi = true;
+ break;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ is_dp = true;
+ break;
+ case INTEL_OUTPUT_EDP:
+ is_edp = true;
+ break;
+ default:
+ DRM_ERROR("invalid output type.\n");
+ return 0;
+ }
+ }
+
+ if (dev_priv->dplla_96mhz)
+ /* low-end sku, 96/100 mhz */
+ refclk = 96000;
+ else
+ /* high-end sku, 27/100 mhz */
+ refclk = 27000;
+ if (is_dp || is_edp) {
+ /*
+ * Based on the spec the low-end SKU has only CRT/LVDS. So it is
+ * unnecessary to consider it for DP/eDP.
+ * On the high-end SKU, it will use the 27/100M reference clk
+ * for DP/eDP. When using SSC clock, the ref clk is 100MHz.Otherwise
+ * it will be 27MHz. From the VBIOS code it seems that the pipe A choose
+ * 27MHz for DP/eDP while the Pipe B chooses the 100MHz.
+ */
+ if (pipe == 0)
+ refclk = 27000;
+ else
+ refclk = 100000;
+ }
+
+ if (is_lvds && dev_priv->lvds_use_ssc) {
+ refclk = dev_priv->lvds_ssc_freq * 1000;
+ DRM_DEBUG_KMS("Use SSC reference clock %d Mhz\n", dev_priv->lvds_ssc_freq);
+ }
+
+ drm_mode_debug_printmodeline(adjusted_mode);
+
+ limit = gma_crtc->clock_funcs->limit(crtc, refclk);
+
+ ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk,
+ &clock);
+ if (!ok) {
+ DRM_ERROR("Couldn't find PLL settings for mode! target: %d, actual: %d",
+ adjusted_mode->clock, clock.dot);
+ return 0;
+ }
+
+ dpll = DPLL_VGA_MODE_DIS;
+ if (is_tv) {
+ /* XXX: just matching BIOS for now */
+/* dpll |= PLL_REF_INPUT_TVCLKINBC; */
+ dpll |= 3;
+ }
+/* dpll |= PLL_REF_INPUT_DREFCLK; */
+
+ if (is_dp || is_edp) {
+ cdv_intel_dp_set_m_n(crtc, mode, adjusted_mode);
+ } else {
+ REG_WRITE(PIPE_GMCH_DATA_M(pipe), 0);
+ REG_WRITE(PIPE_GMCH_DATA_N(pipe), 0);
+ REG_WRITE(PIPE_DP_LINK_M(pipe), 0);
+ REG_WRITE(PIPE_DP_LINK_N(pipe), 0);
+ }
+
+ dpll |= DPLL_SYNCLOCK_ENABLE;
+/* if (is_lvds)
+ dpll |= DPLLB_MODE_LVDS;
+ else
+ dpll |= DPLLB_MODE_DAC_SERIAL; */
+ /* dpll |= (2 << 11); */
+
+ /* setup pipeconf */
+ pipeconf = REG_READ(map->conf);
+
+ pipeconf &= ~(PIPE_BPC_MASK);
+ if (is_edp) {
+ switch (dev_priv->edp.bpp) {
+ case 24:
+ pipeconf |= PIPE_8BPC;
+ break;
+ case 18:
+ pipeconf |= PIPE_6BPC;
+ break;
+ case 30:
+ pipeconf |= PIPE_10BPC;
+ break;
+ default:
+ pipeconf |= PIPE_8BPC;
+ break;
+ }
+ } else if (is_lvds) {
+ /* the BPC will be 6 if it is 18-bit LVDS panel */
+ if ((REG_READ(LVDS) & LVDS_A3_POWER_MASK) == LVDS_A3_POWER_UP)
+ pipeconf |= PIPE_8BPC;
+ else
+ pipeconf |= PIPE_6BPC;
+ } else
+ pipeconf |= PIPE_8BPC;
+
+ /* Set up the display plane register */
+ dspcntr = DISPPLANE_GAMMA_ENABLE;
+
+ if (pipe == 0)
+ dspcntr |= DISPPLANE_SEL_PIPE_A;
+ else
+ dspcntr |= DISPPLANE_SEL_PIPE_B;
+
+ dspcntr |= DISPLAY_PLANE_ENABLE;
+ pipeconf |= PIPEACONF_ENABLE;
+
+ REG_WRITE(map->dpll, dpll | DPLL_VGA_MODE_DIS | DPLL_SYNCLOCK_ENABLE);
+ REG_READ(map->dpll);
+
+ cdv_dpll_set_clock_cdv(dev, crtc, &clock, is_lvds, ddi_select);
+
+ udelay(150);
+
+
+ /* The LVDS pin pair needs to be on before the DPLLs are enabled.
+ * This is an exception to the general rule that mode_set doesn't turn
+ * things on.
+ */
+ if (is_lvds) {
+ u32 lvds = REG_READ(LVDS);
+
+ lvds |=
+ LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP |
+ LVDS_PIPEB_SELECT;
+ /* Set the B0-B3 data pairs corresponding to
+ * whether we're going to
+ * set the DPLLs for dual-channel mode or not.
+ */
+ if (clock.p2 == 7)
+ lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
+ else
+ lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
+
+ /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
+ * appropriately here, but we need to look more
+ * thoroughly into how panels behave in the two modes.
+ */
+
+ REG_WRITE(LVDS, lvds);
+ REG_READ(LVDS);
+ }
+
+ dpll |= DPLL_VCO_ENABLE;
+
+ /* Disable the panel fitter if it was on our pipe */
+ if (cdv_intel_panel_fitter_pipe(dev) == pipe)
+ REG_WRITE(PFIT_CONTROL, 0);
+
+ DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
+ drm_mode_debug_printmodeline(mode);
+
+ REG_WRITE(map->dpll,
+ (REG_READ(map->dpll) & ~DPLL_LOCK) | DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to stabilize. */
+ udelay(150); /* 42 usec w/o calibration, 110 with. rounded up. */
+
+ if (!(REG_READ(map->dpll) & DPLL_LOCK)) {
+ dev_err(dev->dev, "Failed to get DPLL lock\n");
+ return -EBUSY;
+ }
+
+ {
+ int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+ REG_WRITE(map->dpll_md, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
+ }
+
+ REG_WRITE(map->htotal, (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ REG_WRITE(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ /* pipesrc and dspsize control the size that is scaled from,
+ * which should always be the user's requested size.
+ */
+ REG_WRITE(map->size,
+ ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+ REG_WRITE(map->pos, 0);
+ REG_WRITE(map->src,
+ ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+ REG_WRITE(map->conf, pipeconf);
+ REG_READ(map->conf);
+
+ gma_wait_for_vblank(dev);
+
+ REG_WRITE(map->cntr, dspcntr);
+
+ /* Flush the plane changes */
+ {
+ const struct drm_crtc_helper_funcs *crtc_funcs =
+ crtc->helper_private;
+ crtc_funcs->mode_set_base(crtc, x, y, old_fb);
+ }
+
+ gma_wait_for_vblank(dev);
+
+ return 0;
+}
+
+/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
+
+/* FIXME: why are we using this, should it be cdv_ in this tree ? */
+
+static void i8xx_clock(int refclk, struct gma_clock_t *clock)
+{
+ clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
+ clock->p = clock->p1 * clock->p2;
+ clock->vco = refclk * clock->m / (clock->n + 2);
+ clock->dot = clock->vco / clock->p;
+}
+
+/* Returns the clock of the currently programmed mode of the given pipe. */
+static int cdv_intel_crtc_clock_get(struct drm_device *dev,
+ struct drm_crtc *crtc)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 dpll;
+ u32 fp;
+ struct gma_clock_t clock;
+ bool is_lvds;
+ struct psb_pipe *p = &dev_priv->regs.pipe[pipe];
+
+ if (gma_power_begin(dev, false)) {
+ dpll = REG_READ(map->dpll);
+ if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
+ fp = REG_READ(map->fp0);
+ else
+ fp = REG_READ(map->fp1);
+ is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
+ gma_power_end(dev);
+ } else {
+ dpll = p->dpll;
+ if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
+ fp = p->fp0;
+ else
+ fp = p->fp1;
+
+ is_lvds = (pipe == 1) &&
+ (dev_priv->regs.psb.saveLVDS & LVDS_PORT_EN);
+ }
+
+ clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
+ clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
+ clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
+
+ if (is_lvds) {
+ clock.p1 =
+ ffs((dpll &
+ DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT);
+ if (clock.p1 == 0) {
+ clock.p1 = 4;
+ dev_err(dev->dev, "PLL %d\n", dpll);
+ }
+ clock.p2 = 14;
+
+ if ((dpll & PLL_REF_INPUT_MASK) ==
+ PLLB_REF_INPUT_SPREADSPECTRUMIN) {
+ /* XXX: might not be 66MHz */
+ i8xx_clock(66000, &clock);
+ } else
+ i8xx_clock(48000, &clock);
+ } else {
+ if (dpll & PLL_P1_DIVIDE_BY_TWO)
+ clock.p1 = 2;
+ else {
+ clock.p1 =
+ ((dpll &
+ DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
+ }
+ if (dpll & PLL_P2_DIVIDE_BY_4)
+ clock.p2 = 4;
+ else
+ clock.p2 = 2;
+
+ i8xx_clock(48000, &clock);
+ }
+
+ /* XXX: It would be nice to validate the clocks, but we can't reuse
+ * i830PllIsValid() because it relies on the xf86_config connector
+ * configuration being accurate, which it isn't necessarily.
+ */
+
+ return clock.dot;
+}
+
+/** Returns the currently programmed mode of the given pipe. */
+struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
+ struct drm_crtc *crtc)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_pipe *p = &dev_priv->regs.pipe[pipe];
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ struct drm_display_mode *mode;
+ int htot;
+ int hsync;
+ int vtot;
+ int vsync;
+
+ if (gma_power_begin(dev, false)) {
+ htot = REG_READ(map->htotal);
+ hsync = REG_READ(map->hsync);
+ vtot = REG_READ(map->vtotal);
+ vsync = REG_READ(map->vsync);
+ gma_power_end(dev);
+ } else {
+ htot = p->htotal;
+ hsync = p->hsync;
+ vtot = p->vtotal;
+ vsync = p->vsync;
+ }
+
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return NULL;
+
+ mode->clock = cdv_intel_crtc_clock_get(dev, crtc);
+ mode->hdisplay = (htot & 0xffff) + 1;
+ mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
+ mode->hsync_start = (hsync & 0xffff) + 1;
+ mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
+ mode->vdisplay = (vtot & 0xffff) + 1;
+ mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
+ mode->vsync_start = (vsync & 0xffff) + 1;
+ mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
+
+ drm_mode_set_name(mode);
+ drm_mode_set_crtcinfo(mode, 0);
+
+ return mode;
+}
+
+const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
+ .dpms = gma_crtc_dpms,
+ .mode_fixup = gma_crtc_mode_fixup,
+ .mode_set = cdv_intel_crtc_mode_set,
+ .mode_set_base = gma_pipe_set_base,
+ .prepare = gma_crtc_prepare,
+ .commit = gma_crtc_commit,
+ .disable = gma_crtc_disable,
+};
+
+const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
+ .save = gma_crtc_save,
+ .restore = gma_crtc_restore,
+ .cursor_set = gma_crtc_cursor_set,
+ .cursor_move = gma_crtc_cursor_move,
+ .gamma_set = gma_crtc_gamma_set,
+ .set_config = gma_crtc_set_config,
+ .destroy = gma_crtc_destroy,
+};
+
+const struct gma_clock_funcs cdv_clock_funcs = {
+ .clock = cdv_intel_clock,
+ .limit = cdv_intel_limit,
+ .pll_is_valid = gma_pll_is_valid,
+};
diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c
new file mode 100644
index 0000000..d3de377
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -0,0 +1,2146 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Keith Packard <keithp@keithp.com>
+ *
+ */
+
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "gma_display.h"
+#include <drm/drm_dp_helper.h>
+
+/**
+ * struct i2c_algo_dp_aux_data - driver interface structure for i2c over dp
+ * aux algorithm
+ * @running: set by the algo indicating whether an i2c is ongoing or whether
+ * the i2c bus is quiescent
+ * @address: i2c target address for the currently ongoing transfer
+ * @aux_ch: driver callback to transfer a single byte of the i2c payload
+ */
+struct i2c_algo_dp_aux_data {
+ bool running;
+ u16 address;
+ int (*aux_ch) (struct i2c_adapter *adapter,
+ int mode, uint8_t write_byte,
+ uint8_t *read_byte);
+};
+
+/* Run a single AUX_CH I2C transaction, writing/reading data as necessary */
+static int
+i2c_algo_dp_aux_transaction(struct i2c_adapter *adapter, int mode,
+ uint8_t write_byte, uint8_t *read_byte)
+{
+ struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
+ int ret;
+
+ ret = (*algo_data->aux_ch)(adapter, mode,
+ write_byte, read_byte);
+ return ret;
+}
+
+/*
+ * I2C over AUX CH
+ */
+
+/*
+ * Send the address. If the I2C link is running, this 'restarts'
+ * the connection with the new address, this is used for doing
+ * a write followed by a read (as needed for DDC)
+ */
+static int
+i2c_algo_dp_aux_address(struct i2c_adapter *adapter, u16 address, bool reading)
+{
+ struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
+ int mode = MODE_I2C_START;
+ int ret;
+
+ if (reading)
+ mode |= MODE_I2C_READ;
+ else
+ mode |= MODE_I2C_WRITE;
+ algo_data->address = address;
+ algo_data->running = true;
+ ret = i2c_algo_dp_aux_transaction(adapter, mode, 0, NULL);
+ return ret;
+}
+
+/*
+ * Stop the I2C transaction. This closes out the link, sending
+ * a bare address packet with the MOT bit turned off
+ */
+static void
+i2c_algo_dp_aux_stop(struct i2c_adapter *adapter, bool reading)
+{
+ struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
+ int mode = MODE_I2C_STOP;
+
+ if (reading)
+ mode |= MODE_I2C_READ;
+ else
+ mode |= MODE_I2C_WRITE;
+ if (algo_data->running) {
+ (void) i2c_algo_dp_aux_transaction(adapter, mode, 0, NULL);
+ algo_data->running = false;
+ }
+}
+
+/*
+ * Write a single byte to the current I2C address, the
+ * the I2C link must be running or this returns -EIO
+ */
+static int
+i2c_algo_dp_aux_put_byte(struct i2c_adapter *adapter, u8 byte)
+{
+ struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
+ int ret;
+
+ if (!algo_data->running)
+ return -EIO;
+
+ ret = i2c_algo_dp_aux_transaction(adapter, MODE_I2C_WRITE, byte, NULL);
+ return ret;
+}
+
+/*
+ * Read a single byte from the current I2C address, the
+ * I2C link must be running or this returns -EIO
+ */
+static int
+i2c_algo_dp_aux_get_byte(struct i2c_adapter *adapter, u8 *byte_ret)
+{
+ struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
+ int ret;
+
+ if (!algo_data->running)
+ return -EIO;
+
+ ret = i2c_algo_dp_aux_transaction(adapter, MODE_I2C_READ, 0, byte_ret);
+ return ret;
+}
+
+static int
+i2c_algo_dp_aux_xfer(struct i2c_adapter *adapter,
+ struct i2c_msg *msgs,
+ int num)
+{
+ int ret = 0;
+ bool reading = false;
+ int m;
+ int b;
+
+ for (m = 0; m < num; m++) {
+ u16 len = msgs[m].len;
+ u8 *buf = msgs[m].buf;
+ reading = (msgs[m].flags & I2C_M_RD) != 0;
+ ret = i2c_algo_dp_aux_address(adapter, msgs[m].addr, reading);
+ if (ret < 0)
+ break;
+ if (reading) {
+ for (b = 0; b < len; b++) {
+ ret = i2c_algo_dp_aux_get_byte(adapter, &buf[b]);
+ if (ret < 0)
+ break;
+ }
+ } else {
+ for (b = 0; b < len; b++) {
+ ret = i2c_algo_dp_aux_put_byte(adapter, buf[b]);
+ if (ret < 0)
+ break;
+ }
+ }
+ if (ret < 0)
+ break;
+ }
+ if (ret >= 0)
+ ret = num;
+ i2c_algo_dp_aux_stop(adapter, reading);
+ DRM_DEBUG_KMS("dp_aux_xfer return %d\n", ret);
+ return ret;
+}
+
+static u32
+i2c_algo_dp_aux_functionality(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL |
+ I2C_FUNC_SMBUS_READ_BLOCK_DATA |
+ I2C_FUNC_SMBUS_BLOCK_PROC_CALL |
+ I2C_FUNC_10BIT_ADDR;
+}
+
+static const struct i2c_algorithm i2c_dp_aux_algo = {
+ .master_xfer = i2c_algo_dp_aux_xfer,
+ .functionality = i2c_algo_dp_aux_functionality,
+};
+
+static void
+i2c_dp_aux_reset_bus(struct i2c_adapter *adapter)
+{
+ (void) i2c_algo_dp_aux_address(adapter, 0, false);
+ (void) i2c_algo_dp_aux_stop(adapter, false);
+}
+
+static int
+i2c_dp_aux_prepare_bus(struct i2c_adapter *adapter)
+{
+ adapter->algo = &i2c_dp_aux_algo;
+ adapter->retries = 3;
+ i2c_dp_aux_reset_bus(adapter);
+ return 0;
+}
+
+/*
+ * FIXME: This is the old dp aux helper, gma500 is the last driver that needs to
+ * be ported over to the new helper code in drm_dp_helper.c like i915 or radeon.
+ */
+static int
+i2c_dp_aux_add_bus(struct i2c_adapter *adapter)
+{
+ int error;
+
+ error = i2c_dp_aux_prepare_bus(adapter);
+ if (error)
+ return error;
+ error = i2c_add_adapter(adapter);
+ return error;
+}
+
+#define _wait_for(COND, MS, W) ({ \
+ unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
+ int ret__ = 0; \
+ while (! (COND)) { \
+ if (time_after(jiffies, timeout__)) { \
+ ret__ = -ETIMEDOUT; \
+ break; \
+ } \
+ if (W && !in_dbg_master()) msleep(W); \
+ } \
+ ret__; \
+})
+
+#define wait_for(COND, MS) _wait_for(COND, MS, 1)
+
+#define DP_LINK_CHECK_TIMEOUT (10 * 1000)
+
+#define DP_LINK_CONFIGURATION_SIZE 9
+
+#define CDV_FAST_LINK_TRAIN 1
+
+struct cdv_intel_dp {
+ uint32_t output_reg;
+ uint32_t DP;
+ uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE];
+ bool has_audio;
+ int force_audio;
+ uint32_t color_range;
+ uint8_t link_bw;
+ uint8_t lane_count;
+ uint8_t dpcd[4];
+ struct gma_encoder *encoder;
+ struct i2c_adapter adapter;
+ struct i2c_algo_dp_aux_data algo;
+ uint8_t train_set[4];
+ uint8_t link_status[DP_LINK_STATUS_SIZE];
+ int panel_power_up_delay;
+ int panel_power_down_delay;
+ int panel_power_cycle_delay;
+ int backlight_on_delay;
+ int backlight_off_delay;
+ struct drm_display_mode *panel_fixed_mode; /* for eDP */
+ bool panel_on;
+};
+
+struct ddi_regoff {
+ uint32_t PreEmph1;
+ uint32_t PreEmph2;
+ uint32_t VSwing1;
+ uint32_t VSwing2;
+ uint32_t VSwing3;
+ uint32_t VSwing4;
+ uint32_t VSwing5;
+};
+
+static struct ddi_regoff ddi_DP_train_table[] = {
+ {.PreEmph1 = 0x812c, .PreEmph2 = 0x8124, .VSwing1 = 0x8154,
+ .VSwing2 = 0x8148, .VSwing3 = 0x814C, .VSwing4 = 0x8150,
+ .VSwing5 = 0x8158,},
+ {.PreEmph1 = 0x822c, .PreEmph2 = 0x8224, .VSwing1 = 0x8254,
+ .VSwing2 = 0x8248, .VSwing3 = 0x824C, .VSwing4 = 0x8250,
+ .VSwing5 = 0x8258,},
+};
+
+static uint32_t dp_vswing_premph_table[] = {
+ 0x55338954, 0x4000,
+ 0x554d8954, 0x2000,
+ 0x55668954, 0,
+ 0x559ac0d4, 0x6000,
+};
+/**
+ * is_edp - is the given port attached to an eDP panel (either CPU or PCH)
+ * @intel_dp: DP struct
+ *
+ * If a CPU or PCH DP output is attached to an eDP panel, this function
+ * will return true, and false otherwise.
+ */
+static bool is_edp(struct gma_encoder *encoder)
+{
+ return encoder->type == INTEL_OUTPUT_EDP;
+}
+
+
+static void cdv_intel_dp_start_link_train(struct gma_encoder *encoder);
+static void cdv_intel_dp_complete_link_train(struct gma_encoder *encoder);
+static void cdv_intel_dp_link_down(struct gma_encoder *encoder);
+
+static int
+cdv_intel_dp_max_lane_count(struct gma_encoder *encoder)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int max_lane_count = 4;
+
+ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) {
+ max_lane_count = intel_dp->dpcd[DP_MAX_LANE_COUNT] & 0x1f;
+ switch (max_lane_count) {
+ case 1: case 2: case 4:
+ break;
+ default:
+ max_lane_count = 4;
+ }
+ }
+ return max_lane_count;
+}
+
+static int
+cdv_intel_dp_max_link_bw(struct gma_encoder *encoder)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int max_link_bw = intel_dp->dpcd[DP_MAX_LINK_RATE];
+
+ switch (max_link_bw) {
+ case DP_LINK_BW_1_62:
+ case DP_LINK_BW_2_7:
+ break;
+ default:
+ max_link_bw = DP_LINK_BW_1_62;
+ break;
+ }
+ return max_link_bw;
+}
+
+static int
+cdv_intel_dp_link_clock(uint8_t link_bw)
+{
+ if (link_bw == DP_LINK_BW_2_7)
+ return 270000;
+ else
+ return 162000;
+}
+
+static int
+cdv_intel_dp_link_required(int pixel_clock, int bpp)
+{
+ return (pixel_clock * bpp + 7) / 8;
+}
+
+static int
+cdv_intel_dp_max_data_rate(int max_link_clock, int max_lanes)
+{
+ return (max_link_clock * max_lanes * 19) / 20;
+}
+
+static void cdv_intel_edp_panel_vdd_on(struct gma_encoder *intel_encoder)
+{
+ struct drm_device *dev = intel_encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ u32 pp;
+
+ if (intel_dp->panel_on) {
+ DRM_DEBUG_KMS("Skip VDD on because of panel on\n");
+ return;
+ }
+ DRM_DEBUG_KMS("\n");
+
+ pp = REG_READ(PP_CONTROL);
+
+ pp |= EDP_FORCE_VDD;
+ REG_WRITE(PP_CONTROL, pp);
+ REG_READ(PP_CONTROL);
+ msleep(intel_dp->panel_power_up_delay);
+}
+
+static void cdv_intel_edp_panel_vdd_off(struct gma_encoder *intel_encoder)
+{
+ struct drm_device *dev = intel_encoder->base.dev;
+ u32 pp;
+
+ DRM_DEBUG_KMS("\n");
+ pp = REG_READ(PP_CONTROL);
+
+ pp &= ~EDP_FORCE_VDD;
+ REG_WRITE(PP_CONTROL, pp);
+ REG_READ(PP_CONTROL);
+
+}
+
+/* Returns true if the panel was already on when called */
+static bool cdv_intel_edp_panel_on(struct gma_encoder *intel_encoder)
+{
+ struct drm_device *dev = intel_encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ u32 pp, idle_on_mask = PP_ON | PP_SEQUENCE_NONE;
+
+ if (intel_dp->panel_on)
+ return true;
+
+ DRM_DEBUG_KMS("\n");
+ pp = REG_READ(PP_CONTROL);
+ pp &= ~PANEL_UNLOCK_MASK;
+
+ pp |= (PANEL_UNLOCK_REGS | POWER_TARGET_ON);
+ REG_WRITE(PP_CONTROL, pp);
+ REG_READ(PP_CONTROL);
+
+ if (wait_for(((REG_READ(PP_STATUS) & idle_on_mask) == idle_on_mask), 1000)) {
+ DRM_DEBUG_KMS("Error in Powering up eDP panel, status %x\n", REG_READ(PP_STATUS));
+ intel_dp->panel_on = false;
+ } else
+ intel_dp->panel_on = true;
+ msleep(intel_dp->panel_power_up_delay);
+
+ return false;
+}
+
+static void cdv_intel_edp_panel_off (struct gma_encoder *intel_encoder)
+{
+ struct drm_device *dev = intel_encoder->base.dev;
+ u32 pp, idle_off_mask = PP_ON ;
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+
+ DRM_DEBUG_KMS("\n");
+
+ pp = REG_READ(PP_CONTROL);
+
+ if ((pp & POWER_TARGET_ON) == 0)
+ return;
+
+ intel_dp->panel_on = false;
+ pp &= ~PANEL_UNLOCK_MASK;
+ /* ILK workaround: disable reset around power sequence */
+
+ pp &= ~POWER_TARGET_ON;
+ pp &= ~EDP_FORCE_VDD;
+ pp &= ~EDP_BLC_ENABLE;
+ REG_WRITE(PP_CONTROL, pp);
+ REG_READ(PP_CONTROL);
+ DRM_DEBUG_KMS("PP_STATUS %x\n", REG_READ(PP_STATUS));
+
+ if (wait_for((REG_READ(PP_STATUS) & idle_off_mask) == 0, 1000)) {
+ DRM_DEBUG_KMS("Error in turning off Panel\n");
+ }
+
+ msleep(intel_dp->panel_power_cycle_delay);
+ DRM_DEBUG_KMS("Over\n");
+}
+
+static void cdv_intel_edp_backlight_on (struct gma_encoder *intel_encoder)
+{
+ struct drm_device *dev = intel_encoder->base.dev;
+ u32 pp;
+
+ DRM_DEBUG_KMS("\n");
+ /*
+ * If we enable the backlight right away following a panel power
+ * on, we may see slight flicker as the panel syncs with the eDP
+ * link. So delay a bit to make sure the image is solid before
+ * allowing it to appear.
+ */
+ msleep(300);
+ pp = REG_READ(PP_CONTROL);
+
+ pp |= EDP_BLC_ENABLE;
+ REG_WRITE(PP_CONTROL, pp);
+ gma_backlight_enable(dev);
+}
+
+static void cdv_intel_edp_backlight_off (struct gma_encoder *intel_encoder)
+{
+ struct drm_device *dev = intel_encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ u32 pp;
+
+ DRM_DEBUG_KMS("\n");
+ gma_backlight_disable(dev);
+ msleep(10);
+ pp = REG_READ(PP_CONTROL);
+
+ pp &= ~EDP_BLC_ENABLE;
+ REG_WRITE(PP_CONTROL, pp);
+ msleep(intel_dp->backlight_off_delay);
+}
+
+static int
+cdv_intel_dp_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct gma_encoder *encoder = gma_attached_encoder(connector);
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int max_link_clock = cdv_intel_dp_link_clock(cdv_intel_dp_max_link_bw(encoder));
+ int max_lanes = cdv_intel_dp_max_lane_count(encoder);
+ struct drm_psb_private *dev_priv = connector->dev->dev_private;
+
+ if (is_edp(encoder) && intel_dp->panel_fixed_mode) {
+ if (mode->hdisplay > intel_dp->panel_fixed_mode->hdisplay)
+ return MODE_PANEL;
+ if (mode->vdisplay > intel_dp->panel_fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+
+ /* only refuse the mode on non eDP since we have seen some weird eDP panels
+ which are outside spec tolerances but somehow work by magic */
+ if (!is_edp(encoder) &&
+ (cdv_intel_dp_link_required(mode->clock, dev_priv->edp.bpp)
+ > cdv_intel_dp_max_data_rate(max_link_clock, max_lanes)))
+ return MODE_CLOCK_HIGH;
+
+ if (is_edp(encoder)) {
+ if (cdv_intel_dp_link_required(mode->clock, 24)
+ > cdv_intel_dp_max_data_rate(max_link_clock, max_lanes))
+ return MODE_CLOCK_HIGH;
+
+ }
+ if (mode->clock < 10000)
+ return MODE_CLOCK_LOW;
+
+ return MODE_OK;
+}
+
+static uint32_t
+pack_aux(uint8_t *src, int src_bytes)
+{
+ int i;
+ uint32_t v = 0;
+
+ if (src_bytes > 4)
+ src_bytes = 4;
+ for (i = 0; i < src_bytes; i++)
+ v |= ((uint32_t) src[i]) << ((3-i) * 8);
+ return v;
+}
+
+static void
+unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes)
+{
+ int i;
+ if (dst_bytes > 4)
+ dst_bytes = 4;
+ for (i = 0; i < dst_bytes; i++)
+ dst[i] = src >> ((3-i) * 8);
+}
+
+static int
+cdv_intel_dp_aux_ch(struct gma_encoder *encoder,
+ uint8_t *send, int send_bytes,
+ uint8_t *recv, int recv_size)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ uint32_t output_reg = intel_dp->output_reg;
+ struct drm_device *dev = encoder->base.dev;
+ uint32_t ch_ctl = output_reg + 0x10;
+ uint32_t ch_data = ch_ctl + 4;
+ int i;
+ int recv_bytes;
+ uint32_t status;
+ uint32_t aux_clock_divider;
+ int try, precharge;
+
+ /* The clock divider is based off the hrawclk,
+ * and would like to run at 2MHz. So, take the
+ * hrawclk value and divide by 2 and use that
+ * On CDV platform it uses 200MHz as hrawclk.
+ *
+ */
+ aux_clock_divider = 200 / 2;
+
+ precharge = 4;
+ if (is_edp(encoder))
+ precharge = 10;
+
+ if (REG_READ(ch_ctl) & DP_AUX_CH_CTL_SEND_BUSY) {
+ DRM_ERROR("dp_aux_ch not started status 0x%08x\n",
+ REG_READ(ch_ctl));
+ return -EBUSY;
+ }
+
+ /* Must try at least 3 times according to DP spec */
+ for (try = 0; try < 5; try++) {
+ /* Load the send data into the aux channel data registers */
+ for (i = 0; i < send_bytes; i += 4)
+ REG_WRITE(ch_data + i,
+ pack_aux(send + i, send_bytes - i));
+
+ /* Send the command and wait for it to complete */
+ REG_WRITE(ch_ctl,
+ DP_AUX_CH_CTL_SEND_BUSY |
+ DP_AUX_CH_CTL_TIME_OUT_400us |
+ (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) |
+ (precharge << DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT) |
+ (aux_clock_divider << DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT) |
+ DP_AUX_CH_CTL_DONE |
+ DP_AUX_CH_CTL_TIME_OUT_ERROR |
+ DP_AUX_CH_CTL_RECEIVE_ERROR);
+ for (;;) {
+ status = REG_READ(ch_ctl);
+ if ((status & DP_AUX_CH_CTL_SEND_BUSY) == 0)
+ break;
+ udelay(100);
+ }
+
+ /* Clear done status and any errors */
+ REG_WRITE(ch_ctl,
+ status |
+ DP_AUX_CH_CTL_DONE |
+ DP_AUX_CH_CTL_TIME_OUT_ERROR |
+ DP_AUX_CH_CTL_RECEIVE_ERROR);
+ if (status & DP_AUX_CH_CTL_DONE)
+ break;
+ }
+
+ if ((status & DP_AUX_CH_CTL_DONE) == 0) {
+ DRM_ERROR("dp_aux_ch not done status 0x%08x\n", status);
+ return -EBUSY;
+ }
+
+ /* Check for timeout or receive error.
+ * Timeouts occur when the sink is not connected
+ */
+ if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) {
+ DRM_ERROR("dp_aux_ch receive error status 0x%08x\n", status);
+ return -EIO;
+ }
+
+ /* Timeouts occur when the device isn't connected, so they're
+ * "normal" -- don't fill the kernel log with these */
+ if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) {
+ DRM_DEBUG_KMS("dp_aux_ch timeout status 0x%08x\n", status);
+ return -ETIMEDOUT;
+ }
+
+ /* Unload any bytes sent back from the other side */
+ recv_bytes = ((status & DP_AUX_CH_CTL_MESSAGE_SIZE_MASK) >>
+ DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT);
+ if (recv_bytes > recv_size)
+ recv_bytes = recv_size;
+
+ for (i = 0; i < recv_bytes; i += 4)
+ unpack_aux(REG_READ(ch_data + i),
+ recv + i, recv_bytes - i);
+
+ return recv_bytes;
+}
+
+/* Write data to the aux channel in native mode */
+static int
+cdv_intel_dp_aux_native_write(struct gma_encoder *encoder,
+ uint16_t address, uint8_t *send, int send_bytes)
+{
+ int ret;
+ uint8_t msg[20];
+ int msg_bytes;
+ uint8_t ack;
+
+ if (send_bytes > 16)
+ return -1;
+ msg[0] = DP_AUX_NATIVE_WRITE << 4;
+ msg[1] = address >> 8;
+ msg[2] = address & 0xff;
+ msg[3] = send_bytes - 1;
+ memcpy(&msg[4], send, send_bytes);
+ msg_bytes = send_bytes + 4;
+ for (;;) {
+ ret = cdv_intel_dp_aux_ch(encoder, msg, msg_bytes, &ack, 1);
+ if (ret < 0)
+ return ret;
+ ack >>= 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK)
+ break;
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
+ udelay(100);
+ else
+ return -EIO;
+ }
+ return send_bytes;
+}
+
+/* Write a single byte to the aux channel in native mode */
+static int
+cdv_intel_dp_aux_native_write_1(struct gma_encoder *encoder,
+ uint16_t address, uint8_t byte)
+{
+ return cdv_intel_dp_aux_native_write(encoder, address, &byte, 1);
+}
+
+/* read bytes from a native aux channel */
+static int
+cdv_intel_dp_aux_native_read(struct gma_encoder *encoder,
+ uint16_t address, uint8_t *recv, int recv_bytes)
+{
+ uint8_t msg[4];
+ int msg_bytes;
+ uint8_t reply[20];
+ int reply_bytes;
+ uint8_t ack;
+ int ret;
+
+ msg[0] = DP_AUX_NATIVE_READ << 4;
+ msg[1] = address >> 8;
+ msg[2] = address & 0xff;
+ msg[3] = recv_bytes - 1;
+
+ msg_bytes = 4;
+ reply_bytes = recv_bytes + 1;
+
+ for (;;) {
+ ret = cdv_intel_dp_aux_ch(encoder, msg, msg_bytes,
+ reply, reply_bytes);
+ if (ret == 0)
+ return -EPROTO;
+ if (ret < 0)
+ return ret;
+ ack = reply[0] >> 4;
+ if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK) {
+ memcpy(recv, reply + 1, ret - 1);
+ return ret - 1;
+ }
+ else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER)
+ udelay(100);
+ else
+ return -EIO;
+ }
+}
+
+static int
+cdv_intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
+ uint8_t write_byte, uint8_t *read_byte)
+{
+ struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
+ struct cdv_intel_dp *intel_dp = container_of(adapter,
+ struct cdv_intel_dp,
+ adapter);
+ struct gma_encoder *encoder = intel_dp->encoder;
+ uint16_t address = algo_data->address;
+ uint8_t msg[5];
+ uint8_t reply[2];
+ unsigned retry;
+ int msg_bytes;
+ int reply_bytes;
+ int ret;
+
+ /* Set up the command byte */
+ if (mode & MODE_I2C_READ)
+ msg[0] = DP_AUX_I2C_READ << 4;
+ else
+ msg[0] = DP_AUX_I2C_WRITE << 4;
+
+ if (!(mode & MODE_I2C_STOP))
+ msg[0] |= DP_AUX_I2C_MOT << 4;
+
+ msg[1] = address >> 8;
+ msg[2] = address;
+
+ switch (mode) {
+ case MODE_I2C_WRITE:
+ msg[3] = 0;
+ msg[4] = write_byte;
+ msg_bytes = 5;
+ reply_bytes = 1;
+ break;
+ case MODE_I2C_READ:
+ msg[3] = 0;
+ msg_bytes = 4;
+ reply_bytes = 2;
+ break;
+ default:
+ msg_bytes = 3;
+ reply_bytes = 1;
+ break;
+ }
+
+ for (retry = 0; retry < 5; retry++) {
+ ret = cdv_intel_dp_aux_ch(encoder,
+ msg, msg_bytes,
+ reply, reply_bytes);
+ if (ret < 0) {
+ DRM_DEBUG_KMS("aux_ch failed %d\n", ret);
+ return ret;
+ }
+
+ switch ((reply[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK) {
+ case DP_AUX_NATIVE_REPLY_ACK:
+ /* I2C-over-AUX Reply field is only valid
+ * when paired with AUX ACK.
+ */
+ break;
+ case DP_AUX_NATIVE_REPLY_NACK:
+ DRM_DEBUG_KMS("aux_ch native nack\n");
+ return -EREMOTEIO;
+ case DP_AUX_NATIVE_REPLY_DEFER:
+ udelay(100);
+ continue;
+ default:
+ DRM_ERROR("aux_ch invalid native reply 0x%02x\n",
+ reply[0]);
+ return -EREMOTEIO;
+ }
+
+ switch ((reply[0] >> 4) & DP_AUX_I2C_REPLY_MASK) {
+ case DP_AUX_I2C_REPLY_ACK:
+ if (mode == MODE_I2C_READ) {
+ *read_byte = reply[1];
+ }
+ return reply_bytes - 1;
+ case DP_AUX_I2C_REPLY_NACK:
+ DRM_DEBUG_KMS("aux_i2c nack\n");
+ return -EREMOTEIO;
+ case DP_AUX_I2C_REPLY_DEFER:
+ DRM_DEBUG_KMS("aux_i2c defer\n");
+ udelay(100);
+ break;
+ default:
+ DRM_ERROR("aux_i2c invalid reply 0x%02x\n", reply[0]);
+ return -EREMOTEIO;
+ }
+ }
+
+ DRM_ERROR("too many retries, giving up\n");
+ return -EREMOTEIO;
+}
+
+static int
+cdv_intel_dp_i2c_init(struct gma_connector *connector,
+ struct gma_encoder *encoder, const char *name)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int ret;
+
+ DRM_DEBUG_KMS("i2c_init %s\n", name);
+
+ intel_dp->algo.running = false;
+ intel_dp->algo.address = 0;
+ intel_dp->algo.aux_ch = cdv_intel_dp_i2c_aux_ch;
+
+ memset(&intel_dp->adapter, '\0', sizeof (intel_dp->adapter));
+ intel_dp->adapter.owner = THIS_MODULE;
+ intel_dp->adapter.class = I2C_CLASS_DDC;
+ strncpy (intel_dp->adapter.name, name, sizeof(intel_dp->adapter.name) - 1);
+ intel_dp->adapter.name[sizeof(intel_dp->adapter.name) - 1] = '\0';
+ intel_dp->adapter.algo_data = &intel_dp->algo;
+ intel_dp->adapter.dev.parent = connector->base.kdev;
+
+ if (is_edp(encoder))
+ cdv_intel_edp_panel_vdd_on(encoder);
+ ret = i2c_dp_aux_add_bus(&intel_dp->adapter);
+ if (is_edp(encoder))
+ cdv_intel_edp_panel_vdd_off(encoder);
+
+ return ret;
+}
+
+static void cdv_intel_fixed_panel_mode(struct drm_display_mode *fixed_mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ adjusted_mode->hdisplay = fixed_mode->hdisplay;
+ adjusted_mode->hsync_start = fixed_mode->hsync_start;
+ adjusted_mode->hsync_end = fixed_mode->hsync_end;
+ adjusted_mode->htotal = fixed_mode->htotal;
+
+ adjusted_mode->vdisplay = fixed_mode->vdisplay;
+ adjusted_mode->vsync_start = fixed_mode->vsync_start;
+ adjusted_mode->vsync_end = fixed_mode->vsync_end;
+ adjusted_mode->vtotal = fixed_mode->vtotal;
+
+ adjusted_mode->clock = fixed_mode->clock;
+
+ drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+}
+
+static bool
+cdv_intel_dp_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_psb_private *dev_priv = encoder->dev->dev_private;
+ struct gma_encoder *intel_encoder = to_gma_encoder(encoder);
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ int lane_count, clock;
+ int max_lane_count = cdv_intel_dp_max_lane_count(intel_encoder);
+ int max_clock = cdv_intel_dp_max_link_bw(intel_encoder) == DP_LINK_BW_2_7 ? 1 : 0;
+ static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
+ int refclock = mode->clock;
+ int bpp = 24;
+
+ if (is_edp(intel_encoder) && intel_dp->panel_fixed_mode) {
+ cdv_intel_fixed_panel_mode(intel_dp->panel_fixed_mode, adjusted_mode);
+ refclock = intel_dp->panel_fixed_mode->clock;
+ bpp = dev_priv->edp.bpp;
+ }
+
+ for (lane_count = 1; lane_count <= max_lane_count; lane_count <<= 1) {
+ for (clock = max_clock; clock >= 0; clock--) {
+ int link_avail = cdv_intel_dp_max_data_rate(cdv_intel_dp_link_clock(bws[clock]), lane_count);
+
+ if (cdv_intel_dp_link_required(refclock, bpp) <= link_avail) {
+ intel_dp->link_bw = bws[clock];
+ intel_dp->lane_count = lane_count;
+ adjusted_mode->clock = cdv_intel_dp_link_clock(intel_dp->link_bw);
+ DRM_DEBUG_KMS("Display port link bw %02x lane "
+ "count %d clock %d\n",
+ intel_dp->link_bw, intel_dp->lane_count,
+ adjusted_mode->clock);
+ return true;
+ }
+ }
+ }
+ if (is_edp(intel_encoder)) {
+ /* okay we failed just pick the highest */
+ intel_dp->lane_count = max_lane_count;
+ intel_dp->link_bw = bws[max_clock];
+ adjusted_mode->clock = cdv_intel_dp_link_clock(intel_dp->link_bw);
+ DRM_DEBUG_KMS("Force picking display port link bw %02x lane "
+ "count %d clock %d\n",
+ intel_dp->link_bw, intel_dp->lane_count,
+ adjusted_mode->clock);
+
+ return true;
+ }
+ return false;
+}
+
+struct cdv_intel_dp_m_n {
+ uint32_t tu;
+ uint32_t gmch_m;
+ uint32_t gmch_n;
+ uint32_t link_m;
+ uint32_t link_n;
+};
+
+static void
+cdv_intel_reduce_ratio(uint32_t *num, uint32_t *den)
+{
+ /*
+ while (*num > 0xffffff || *den > 0xffffff) {
+ *num >>= 1;
+ *den >>= 1;
+ }*/
+ uint64_t value, m;
+ m = *num;
+ value = m * (0x800000);
+ m = do_div(value, *den);
+ *num = value;
+ *den = 0x800000;
+}
+
+static void
+cdv_intel_dp_compute_m_n(int bpp,
+ int nlanes,
+ int pixel_clock,
+ int link_clock,
+ struct cdv_intel_dp_m_n *m_n)
+{
+ m_n->tu = 64;
+ m_n->gmch_m = (pixel_clock * bpp + 7) >> 3;
+ m_n->gmch_n = link_clock * nlanes;
+ cdv_intel_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
+ m_n->link_m = pixel_clock;
+ m_n->link_n = link_clock;
+ cdv_intel_reduce_ratio(&m_n->link_m, &m_n->link_n);
+}
+
+void
+cdv_intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_encoder *encoder;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int lane_count = 4, bpp = 24;
+ struct cdv_intel_dp_m_n m_n;
+ int pipe = gma_crtc->pipe;
+
+ /*
+ * Find the lane count in the intel_encoder private
+ */
+ list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+ struct gma_encoder *intel_encoder;
+ struct cdv_intel_dp *intel_dp;
+
+ if (encoder->crtc != crtc)
+ continue;
+
+ intel_encoder = to_gma_encoder(encoder);
+ intel_dp = intel_encoder->dev_priv;
+ if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) {
+ lane_count = intel_dp->lane_count;
+ break;
+ } else if (is_edp(intel_encoder)) {
+ lane_count = intel_dp->lane_count;
+ bpp = dev_priv->edp.bpp;
+ break;
+ }
+ }
+
+ /*
+ * Compute the GMCH and Link ratios. The '3' here is
+ * the number of bytes_per_pixel post-LUT, which we always
+ * set up for 8-bits of R/G/B, or 3 bytes total.
+ */
+ cdv_intel_dp_compute_m_n(bpp, lane_count,
+ mode->clock, adjusted_mode->clock, &m_n);
+
+ {
+ REG_WRITE(PIPE_GMCH_DATA_M(pipe),
+ ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
+ m_n.gmch_m);
+ REG_WRITE(PIPE_GMCH_DATA_N(pipe), m_n.gmch_n);
+ REG_WRITE(PIPE_DP_LINK_M(pipe), m_n.link_m);
+ REG_WRITE(PIPE_DP_LINK_N(pipe), m_n.link_n);
+ }
+}
+
+static void
+cdv_intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct gma_encoder *intel_encoder = to_gma_encoder(encoder);
+ struct drm_crtc *crtc = encoder->crtc;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ struct drm_device *dev = encoder->dev;
+
+ intel_dp->DP = DP_VOLTAGE_0_4 | DP_PRE_EMPHASIS_0;
+ intel_dp->DP |= intel_dp->color_range;
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ intel_dp->DP |= DP_SYNC_HS_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ intel_dp->DP |= DP_SYNC_VS_HIGH;
+
+ intel_dp->DP |= DP_LINK_TRAIN_OFF;
+
+ switch (intel_dp->lane_count) {
+ case 1:
+ intel_dp->DP |= DP_PORT_WIDTH_1;
+ break;
+ case 2:
+ intel_dp->DP |= DP_PORT_WIDTH_2;
+ break;
+ case 4:
+ intel_dp->DP |= DP_PORT_WIDTH_4;
+ break;
+ }
+ if (intel_dp->has_audio)
+ intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE;
+
+ memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
+ intel_dp->link_configuration[0] = intel_dp->link_bw;
+ intel_dp->link_configuration[1] = intel_dp->lane_count;
+
+ /*
+ * Check for DPCD version > 1.1 and enhanced framing support
+ */
+ if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11 &&
+ (intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP)) {
+ intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
+ intel_dp->DP |= DP_ENHANCED_FRAMING;
+ }
+
+ /* CPT DP's pipe select is decided in TRANS_DP_CTL */
+ if (gma_crtc->pipe == 1)
+ intel_dp->DP |= DP_PIPEB_SELECT;
+
+ REG_WRITE(intel_dp->output_reg, (intel_dp->DP | DP_PORT_EN));
+ DRM_DEBUG_KMS("DP expected reg is %x\n", intel_dp->DP);
+ if (is_edp(intel_encoder)) {
+ uint32_t pfit_control;
+ cdv_intel_edp_panel_on(intel_encoder);
+
+ if (mode->hdisplay != adjusted_mode->hdisplay ||
+ mode->vdisplay != adjusted_mode->vdisplay)
+ pfit_control = PFIT_ENABLE;
+ else
+ pfit_control = 0;
+
+ pfit_control |= gma_crtc->pipe << PFIT_PIPE_SHIFT;
+
+ REG_WRITE(PFIT_CONTROL, pfit_control);
+ }
+}
+
+
+/* If the sink supports it, try to set the power state appropriately */
+static void cdv_intel_dp_sink_dpms(struct gma_encoder *encoder, int mode)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int ret, i;
+
+ /* Should have a valid DPCD by this point */
+ if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
+ return;
+
+ if (mode != DRM_MODE_DPMS_ON) {
+ ret = cdv_intel_dp_aux_native_write_1(encoder, DP_SET_POWER,
+ DP_SET_POWER_D3);
+ if (ret != 1)
+ DRM_DEBUG_DRIVER("failed to write sink power state\n");
+ } else {
+ /*
+ * When turning on, we need to retry for 1ms to give the sink
+ * time to wake up.
+ */
+ for (i = 0; i < 3; i++) {
+ ret = cdv_intel_dp_aux_native_write_1(encoder,
+ DP_SET_POWER,
+ DP_SET_POWER_D0);
+ if (ret == 1)
+ break;
+ udelay(1000);
+ }
+ }
+}
+
+static void cdv_intel_dp_prepare(struct drm_encoder *encoder)
+{
+ struct gma_encoder *intel_encoder = to_gma_encoder(encoder);
+ int edp = is_edp(intel_encoder);
+
+ if (edp) {
+ cdv_intel_edp_backlight_off(intel_encoder);
+ cdv_intel_edp_panel_off(intel_encoder);
+ cdv_intel_edp_panel_vdd_on(intel_encoder);
+ }
+ /* Wake up the sink first */
+ cdv_intel_dp_sink_dpms(intel_encoder, DRM_MODE_DPMS_ON);
+ cdv_intel_dp_link_down(intel_encoder);
+ if (edp)
+ cdv_intel_edp_panel_vdd_off(intel_encoder);
+}
+
+static void cdv_intel_dp_commit(struct drm_encoder *encoder)
+{
+ struct gma_encoder *intel_encoder = to_gma_encoder(encoder);
+ int edp = is_edp(intel_encoder);
+
+ if (edp)
+ cdv_intel_edp_panel_on(intel_encoder);
+ cdv_intel_dp_start_link_train(intel_encoder);
+ cdv_intel_dp_complete_link_train(intel_encoder);
+ if (edp)
+ cdv_intel_edp_backlight_on(intel_encoder);
+}
+
+static void
+cdv_intel_dp_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct gma_encoder *intel_encoder = to_gma_encoder(encoder);
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ struct drm_device *dev = encoder->dev;
+ uint32_t dp_reg = REG_READ(intel_dp->output_reg);
+ int edp = is_edp(intel_encoder);
+
+ if (mode != DRM_MODE_DPMS_ON) {
+ if (edp) {
+ cdv_intel_edp_backlight_off(intel_encoder);
+ cdv_intel_edp_panel_vdd_on(intel_encoder);
+ }
+ cdv_intel_dp_sink_dpms(intel_encoder, mode);
+ cdv_intel_dp_link_down(intel_encoder);
+ if (edp) {
+ cdv_intel_edp_panel_vdd_off(intel_encoder);
+ cdv_intel_edp_panel_off(intel_encoder);
+ }
+ } else {
+ if (edp)
+ cdv_intel_edp_panel_on(intel_encoder);
+ cdv_intel_dp_sink_dpms(intel_encoder, mode);
+ if (!(dp_reg & DP_PORT_EN)) {
+ cdv_intel_dp_start_link_train(intel_encoder);
+ cdv_intel_dp_complete_link_train(intel_encoder);
+ }
+ if (edp)
+ cdv_intel_edp_backlight_on(intel_encoder);
+ }
+}
+
+/*
+ * Native read with retry for link status and receiver capability reads for
+ * cases where the sink may still be asleep.
+ */
+static bool
+cdv_intel_dp_aux_native_read_retry(struct gma_encoder *encoder, uint16_t address,
+ uint8_t *recv, int recv_bytes)
+{
+ int ret, i;
+
+ /*
+ * Sinks are *supposed* to come up within 1ms from an off state,
+ * but we're also supposed to retry 3 times per the spec.
+ */
+ for (i = 0; i < 3; i++) {
+ ret = cdv_intel_dp_aux_native_read(encoder, address, recv,
+ recv_bytes);
+ if (ret == recv_bytes)
+ return true;
+ udelay(1000);
+ }
+
+ return false;
+}
+
+/*
+ * Fetch AUX CH registers 0x202 - 0x207 which contain
+ * link status information
+ */
+static bool
+cdv_intel_dp_get_link_status(struct gma_encoder *encoder)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ return cdv_intel_dp_aux_native_read_retry(encoder,
+ DP_LANE0_1_STATUS,
+ intel_dp->link_status,
+ DP_LINK_STATUS_SIZE);
+}
+
+static uint8_t
+cdv_intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
+ int r)
+{
+ return link_status[r - DP_LANE0_1_STATUS];
+}
+
+static uint8_t
+cdv_intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE],
+ int lane)
+{
+ int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
+ int s = ((lane & 1) ?
+ DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT :
+ DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT);
+ uint8_t l = cdv_intel_dp_link_status(link_status, i);
+
+ return ((l >> s) & 3) << DP_TRAIN_VOLTAGE_SWING_SHIFT;
+}
+
+static uint8_t
+cdv_intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZE],
+ int lane)
+{
+ int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
+ int s = ((lane & 1) ?
+ DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT :
+ DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT);
+ uint8_t l = cdv_intel_dp_link_status(link_status, i);
+
+ return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
+}
+
+
+#if 0
+static char *voltage_names[] = {
+ "0.4V", "0.6V", "0.8V", "1.2V"
+};
+static char *pre_emph_names[] = {
+ "0dB", "3.5dB", "6dB", "9.5dB"
+};
+static char *link_train_names[] = {
+ "pattern 1", "pattern 2", "idle", "off"
+};
+#endif
+
+#define CDV_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3
+/*
+static uint8_t
+cdv_intel_dp_pre_emphasis_max(uint8_t voltage_swing)
+{
+ switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
+ case DP_TRAIN_VOLTAGE_SWING_400:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_600:
+ return DP_TRAIN_PRE_EMPHASIS_6;
+ case DP_TRAIN_VOLTAGE_SWING_800:
+ return DP_TRAIN_PRE_EMPHASIS_3_5;
+ case DP_TRAIN_VOLTAGE_SWING_1200:
+ default:
+ return DP_TRAIN_PRE_EMPHASIS_0;
+ }
+}
+*/
+static void
+cdv_intel_get_adjust_train(struct gma_encoder *encoder)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ uint8_t v = 0;
+ uint8_t p = 0;
+ int lane;
+
+ for (lane = 0; lane < intel_dp->lane_count; lane++) {
+ uint8_t this_v = cdv_intel_get_adjust_request_voltage(intel_dp->link_status, lane);
+ uint8_t this_p = cdv_intel_get_adjust_request_pre_emphasis(intel_dp->link_status, lane);
+
+ if (this_v > v)
+ v = this_v;
+ if (this_p > p)
+ p = this_p;
+ }
+
+ if (v >= CDV_DP_VOLTAGE_MAX)
+ v = CDV_DP_VOLTAGE_MAX | DP_TRAIN_MAX_SWING_REACHED;
+
+ if (p == DP_TRAIN_PRE_EMPHASIS_MASK)
+ p |= DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
+
+ for (lane = 0; lane < 4; lane++)
+ intel_dp->train_set[lane] = v | p;
+}
+
+
+static uint8_t
+cdv_intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
+ int lane)
+{
+ int i = DP_LANE0_1_STATUS + (lane >> 1);
+ int s = (lane & 1) * 4;
+ uint8_t l = cdv_intel_dp_link_status(link_status, i);
+
+ return (l >> s) & 0xf;
+}
+
+/* Check for clock recovery is done on all channels */
+static bool
+cdv_intel_clock_recovery_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count)
+{
+ int lane;
+ uint8_t lane_status;
+
+ for (lane = 0; lane < lane_count; lane++) {
+ lane_status = cdv_intel_get_lane_status(link_status, lane);
+ if ((lane_status & DP_LANE_CR_DONE) == 0)
+ return false;
+ }
+ return true;
+}
+
+/* Check to see if channel eq is done on all channels */
+#define CHANNEL_EQ_BITS (DP_LANE_CR_DONE|\
+ DP_LANE_CHANNEL_EQ_DONE|\
+ DP_LANE_SYMBOL_LOCKED)
+static bool
+cdv_intel_channel_eq_ok(struct gma_encoder *encoder)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ uint8_t lane_align;
+ uint8_t lane_status;
+ int lane;
+
+ lane_align = cdv_intel_dp_link_status(intel_dp->link_status,
+ DP_LANE_ALIGN_STATUS_UPDATED);
+ if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0)
+ return false;
+ for (lane = 0; lane < intel_dp->lane_count; lane++) {
+ lane_status = cdv_intel_get_lane_status(intel_dp->link_status, lane);
+ if ((lane_status & CHANNEL_EQ_BITS) != CHANNEL_EQ_BITS)
+ return false;
+ }
+ return true;
+}
+
+static bool
+cdv_intel_dp_set_link_train(struct gma_encoder *encoder,
+ uint32_t dp_reg_value,
+ uint8_t dp_train_pat)
+{
+
+ struct drm_device *dev = encoder->base.dev;
+ int ret;
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+
+ REG_WRITE(intel_dp->output_reg, dp_reg_value);
+ REG_READ(intel_dp->output_reg);
+
+ ret = cdv_intel_dp_aux_native_write_1(encoder,
+ DP_TRAINING_PATTERN_SET,
+ dp_train_pat);
+
+ if (ret != 1) {
+ DRM_DEBUG_KMS("Failure in setting link pattern %x\n",
+ dp_train_pat);
+ return false;
+ }
+
+ return true;
+}
+
+
+static bool
+cdv_intel_dplink_set_level(struct gma_encoder *encoder,
+ uint8_t dp_train_pat)
+{
+
+ int ret;
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+
+ ret = cdv_intel_dp_aux_native_write(encoder,
+ DP_TRAINING_LANE0_SET,
+ intel_dp->train_set,
+ intel_dp->lane_count);
+
+ if (ret != intel_dp->lane_count) {
+ DRM_DEBUG_KMS("Failure in setting level %d, lane_cnt= %d\n",
+ intel_dp->train_set[0], intel_dp->lane_count);
+ return false;
+ }
+ return true;
+}
+
+static void
+cdv_intel_dp_set_vswing_premph(struct gma_encoder *encoder, uint8_t signal_level)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ struct ddi_regoff *ddi_reg;
+ int vswing, premph, index;
+
+ if (intel_dp->output_reg == DP_B)
+ ddi_reg = &ddi_DP_train_table[0];
+ else
+ ddi_reg = &ddi_DP_train_table[1];
+
+ vswing = (signal_level & DP_TRAIN_VOLTAGE_SWING_MASK);
+ premph = ((signal_level & DP_TRAIN_PRE_EMPHASIS_MASK)) >>
+ DP_TRAIN_PRE_EMPHASIS_SHIFT;
+
+ if (vswing + premph > 3)
+ return;
+#ifdef CDV_FAST_LINK_TRAIN
+ return;
+#endif
+ DRM_DEBUG_KMS("Test2\n");
+ //return ;
+ cdv_sb_reset(dev);
+ /* ;Swing voltage programming
+ ;gfx_dpio_set_reg(0xc058, 0x0505313A) */
+ cdv_sb_write(dev, ddi_reg->VSwing5, 0x0505313A);
+
+ /* ;gfx_dpio_set_reg(0x8154, 0x43406055) */
+ cdv_sb_write(dev, ddi_reg->VSwing1, 0x43406055);
+
+ /* ;gfx_dpio_set_reg(0x8148, 0x55338954)
+ * The VSwing_PreEmph table is also considered based on the vswing/premp
+ */
+ index = (vswing + premph) * 2;
+ if (premph == 1 && vswing == 1) {
+ cdv_sb_write(dev, ddi_reg->VSwing2, 0x055738954);
+ } else
+ cdv_sb_write(dev, ddi_reg->VSwing2, dp_vswing_premph_table[index]);
+
+ /* ;gfx_dpio_set_reg(0x814c, 0x40802040) */
+ if ((vswing + premph) == DP_TRAIN_VOLTAGE_SWING_LEVEL_3)
+ cdv_sb_write(dev, ddi_reg->VSwing3, 0x70802040);
+ else
+ cdv_sb_write(dev, ddi_reg->VSwing3, 0x40802040);
+
+ /* ;gfx_dpio_set_reg(0x8150, 0x2b405555) */
+ /* cdv_sb_write(dev, ddi_reg->VSwing4, 0x2b405555); */
+
+ /* ;gfx_dpio_set_reg(0x8154, 0xc3406055) */
+ cdv_sb_write(dev, ddi_reg->VSwing1, 0xc3406055);
+
+ /* ;Pre emphasis programming
+ * ;gfx_dpio_set_reg(0xc02c, 0x1f030040)
+ */
+ cdv_sb_write(dev, ddi_reg->PreEmph1, 0x1f030040);
+
+ /* ;gfx_dpio_set_reg(0x8124, 0x00004000) */
+ index = 2 * premph + 1;
+ cdv_sb_write(dev, ddi_reg->PreEmph2, dp_vswing_premph_table[index]);
+ return;
+}
+
+
+/* Enable corresponding port and start training pattern 1 */
+static void
+cdv_intel_dp_start_link_train(struct gma_encoder *encoder)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int i;
+ uint8_t voltage;
+ bool clock_recovery = false;
+ int tries;
+ u32 reg;
+ uint32_t DP = intel_dp->DP;
+
+ DP |= DP_PORT_EN;
+ DP &= ~DP_LINK_TRAIN_MASK;
+
+ reg = DP;
+ reg |= DP_LINK_TRAIN_PAT_1;
+ /* Enable output, wait for it to become active */
+ REG_WRITE(intel_dp->output_reg, reg);
+ REG_READ(intel_dp->output_reg);
+ gma_wait_for_vblank(dev);
+
+ DRM_DEBUG_KMS("Link config\n");
+ /* Write the link configuration data */
+ cdv_intel_dp_aux_native_write(encoder, DP_LINK_BW_SET,
+ intel_dp->link_configuration,
+ 2);
+
+ memset(intel_dp->train_set, 0, 4);
+ voltage = 0;
+ tries = 0;
+ clock_recovery = false;
+
+ DRM_DEBUG_KMS("Start train\n");
+ reg = DP | DP_LINK_TRAIN_PAT_1;
+
+
+ for (;;) {
+ /* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
+ DRM_DEBUG_KMS("DP Link Train Set %x, Link_config %x, %x\n",
+ intel_dp->train_set[0],
+ intel_dp->link_configuration[0],
+ intel_dp->link_configuration[1]);
+
+ if (!cdv_intel_dp_set_link_train(encoder, reg, DP_TRAINING_PATTERN_1)) {
+ DRM_DEBUG_KMS("Failure in aux-transfer setting pattern 1\n");
+ }
+ cdv_intel_dp_set_vswing_premph(encoder, intel_dp->train_set[0]);
+ /* Set training pattern 1 */
+
+ cdv_intel_dplink_set_level(encoder, DP_TRAINING_PATTERN_1);
+
+ udelay(200);
+ if (!cdv_intel_dp_get_link_status(encoder))
+ break;
+
+ DRM_DEBUG_KMS("DP Link status %x, %x, %x, %x, %x, %x\n",
+ intel_dp->link_status[0], intel_dp->link_status[1], intel_dp->link_status[2],
+ intel_dp->link_status[3], intel_dp->link_status[4], intel_dp->link_status[5]);
+
+ if (cdv_intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+ DRM_DEBUG_KMS("PT1 train is done\n");
+ clock_recovery = true;
+ break;
+ }
+
+ /* Check to see if we've tried the max voltage */
+ for (i = 0; i < intel_dp->lane_count; i++)
+ if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
+ break;
+ if (i == intel_dp->lane_count)
+ break;
+
+ /* Check to see if we've tried the same voltage 5 times */
+ if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
+ ++tries;
+ if (tries == 5)
+ break;
+ } else
+ tries = 0;
+ voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
+
+ /* Compute new intel_dp->train_set as requested by target */
+ cdv_intel_get_adjust_train(encoder);
+
+ }
+
+ if (!clock_recovery) {
+ DRM_DEBUG_KMS("failure in DP patter 1 training, train set %x\n", intel_dp->train_set[0]);
+ }
+
+ intel_dp->DP = DP;
+}
+
+static void
+cdv_intel_dp_complete_link_train(struct gma_encoder *encoder)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ bool channel_eq = false;
+ int tries, cr_tries;
+ u32 reg;
+ uint32_t DP = intel_dp->DP;
+
+ /* channel equalization */
+ tries = 0;
+ cr_tries = 0;
+ channel_eq = false;
+
+ DRM_DEBUG_KMS("\n");
+ reg = DP | DP_LINK_TRAIN_PAT_2;
+
+ for (;;) {
+
+ DRM_DEBUG_KMS("DP Link Train Set %x, Link_config %x, %x\n",
+ intel_dp->train_set[0],
+ intel_dp->link_configuration[0],
+ intel_dp->link_configuration[1]);
+ /* channel eq pattern */
+
+ if (!cdv_intel_dp_set_link_train(encoder, reg,
+ DP_TRAINING_PATTERN_2)) {
+ DRM_DEBUG_KMS("Failure in aux-transfer setting pattern 2\n");
+ }
+ /* Use intel_dp->train_set[0] to set the voltage and pre emphasis values */
+
+ if (cr_tries > 5) {
+ DRM_ERROR("failed to train DP, aborting\n");
+ cdv_intel_dp_link_down(encoder);
+ break;
+ }
+
+ cdv_intel_dp_set_vswing_premph(encoder, intel_dp->train_set[0]);
+
+ cdv_intel_dplink_set_level(encoder, DP_TRAINING_PATTERN_2);
+
+ udelay(1000);
+ if (!cdv_intel_dp_get_link_status(encoder))
+ break;
+
+ DRM_DEBUG_KMS("DP Link status %x, %x, %x, %x, %x, %x\n",
+ intel_dp->link_status[0], intel_dp->link_status[1], intel_dp->link_status[2],
+ intel_dp->link_status[3], intel_dp->link_status[4], intel_dp->link_status[5]);
+
+ /* Make sure clock is still ok */
+ if (!cdv_intel_clock_recovery_ok(intel_dp->link_status, intel_dp->lane_count)) {
+ cdv_intel_dp_start_link_train(encoder);
+ cr_tries++;
+ continue;
+ }
+
+ if (cdv_intel_channel_eq_ok(encoder)) {
+ DRM_DEBUG_KMS("PT2 train is done\n");
+ channel_eq = true;
+ break;
+ }
+
+ /* Try 5 times, then try clock recovery if that fails */
+ if (tries > 5) {
+ cdv_intel_dp_link_down(encoder);
+ cdv_intel_dp_start_link_train(encoder);
+ tries = 0;
+ cr_tries++;
+ continue;
+ }
+
+ /* Compute new intel_dp->train_set as requested by target */
+ cdv_intel_get_adjust_train(encoder);
+ ++tries;
+
+ }
+
+ reg = DP | DP_LINK_TRAIN_OFF;
+
+ REG_WRITE(intel_dp->output_reg, reg);
+ REG_READ(intel_dp->output_reg);
+ cdv_intel_dp_aux_native_write_1(encoder,
+ DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE);
+}
+
+static void
+cdv_intel_dp_link_down(struct gma_encoder *encoder)
+{
+ struct drm_device *dev = encoder->base.dev;
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ uint32_t DP = intel_dp->DP;
+
+ if ((REG_READ(intel_dp->output_reg) & DP_PORT_EN) == 0)
+ return;
+
+ DRM_DEBUG_KMS("\n");
+
+
+ {
+ DP &= ~DP_LINK_TRAIN_MASK;
+ REG_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
+ }
+ REG_READ(intel_dp->output_reg);
+
+ msleep(17);
+
+ REG_WRITE(intel_dp->output_reg, DP & ~DP_PORT_EN);
+ REG_READ(intel_dp->output_reg);
+}
+
+static enum drm_connector_status cdv_dp_detect(struct gma_encoder *encoder)
+{
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ enum drm_connector_status status;
+
+ status = connector_status_disconnected;
+ if (cdv_intel_dp_aux_native_read(encoder, 0x000, intel_dp->dpcd,
+ sizeof (intel_dp->dpcd)) == sizeof (intel_dp->dpcd))
+ {
+ if (intel_dp->dpcd[DP_DPCD_REV] != 0)
+ status = connector_status_connected;
+ }
+ if (status == connector_status_connected)
+ DRM_DEBUG_KMS("DPCD: Rev=%x LN_Rate=%x LN_CNT=%x LN_DOWNSP=%x\n",
+ intel_dp->dpcd[0], intel_dp->dpcd[1],
+ intel_dp->dpcd[2], intel_dp->dpcd[3]);
+ return status;
+}
+
+/**
+ * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect DP connection.
+ *
+ * \return true if DP port is connected.
+ * \return false if DP port is disconnected.
+ */
+static enum drm_connector_status
+cdv_intel_dp_detect(struct drm_connector *connector, bool force)
+{
+ struct gma_encoder *encoder = gma_attached_encoder(connector);
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ enum drm_connector_status status;
+ struct edid *edid = NULL;
+ int edp = is_edp(encoder);
+
+ intel_dp->has_audio = false;
+
+ if (edp)
+ cdv_intel_edp_panel_vdd_on(encoder);
+ status = cdv_dp_detect(encoder);
+ if (status != connector_status_connected) {
+ if (edp)
+ cdv_intel_edp_panel_vdd_off(encoder);
+ return status;
+ }
+
+ if (intel_dp->force_audio) {
+ intel_dp->has_audio = intel_dp->force_audio > 0;
+ } else {
+ edid = drm_get_edid(connector, &intel_dp->adapter);
+ if (edid) {
+ intel_dp->has_audio = drm_detect_monitor_audio(edid);
+ kfree(edid);
+ }
+ }
+ if (edp)
+ cdv_intel_edp_panel_vdd_off(encoder);
+
+ return connector_status_connected;
+}
+
+static int cdv_intel_dp_get_modes(struct drm_connector *connector)
+{
+ struct gma_encoder *intel_encoder = gma_attached_encoder(connector);
+ struct cdv_intel_dp *intel_dp = intel_encoder->dev_priv;
+ struct edid *edid = NULL;
+ int ret = 0;
+ int edp = is_edp(intel_encoder);
+
+
+ edid = drm_get_edid(connector, &intel_dp->adapter);
+ if (edid) {
+ drm_mode_connector_update_edid_property(connector, edid);
+ ret = drm_add_edid_modes(connector, edid);
+ kfree(edid);
+ }
+
+ if (is_edp(intel_encoder)) {
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ cdv_intel_edp_panel_vdd_off(intel_encoder);
+ if (ret) {
+ if (edp && !intel_dp->panel_fixed_mode) {
+ struct drm_display_mode *newmode;
+ list_for_each_entry(newmode, &connector->probed_modes,
+ head) {
+ if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
+ intel_dp->panel_fixed_mode =
+ drm_mode_duplicate(dev, newmode);
+ break;
+ }
+ }
+ }
+
+ return ret;
+ }
+ if (!intel_dp->panel_fixed_mode && dev_priv->lfp_lvds_vbt_mode) {
+ intel_dp->panel_fixed_mode =
+ drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
+ if (intel_dp->panel_fixed_mode) {
+ intel_dp->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ }
+ }
+ if (intel_dp->panel_fixed_mode != NULL) {
+ struct drm_display_mode *mode;
+ mode = drm_mode_duplicate(dev, intel_dp->panel_fixed_mode);
+ drm_mode_probed_add(connector, mode);
+ return 1;
+ }
+ }
+
+ return ret;
+}
+
+static bool
+cdv_intel_dp_detect_audio(struct drm_connector *connector)
+{
+ struct gma_encoder *encoder = gma_attached_encoder(connector);
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ struct edid *edid;
+ bool has_audio = false;
+ int edp = is_edp(encoder);
+
+ if (edp)
+ cdv_intel_edp_panel_vdd_on(encoder);
+
+ edid = drm_get_edid(connector, &intel_dp->adapter);
+ if (edid) {
+ has_audio = drm_detect_monitor_audio(edid);
+ kfree(edid);
+ }
+ if (edp)
+ cdv_intel_edp_panel_vdd_off(encoder);
+
+ return has_audio;
+}
+
+static int
+cdv_intel_dp_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct drm_psb_private *dev_priv = connector->dev->dev_private;
+ struct gma_encoder *encoder = gma_attached_encoder(connector);
+ struct cdv_intel_dp *intel_dp = encoder->dev_priv;
+ int ret;
+
+ ret = drm_object_property_set_value(&connector->base, property, val);
+ if (ret)
+ return ret;
+
+ if (property == dev_priv->force_audio_property) {
+ int i = val;
+ bool has_audio;
+
+ if (i == intel_dp->force_audio)
+ return 0;
+
+ intel_dp->force_audio = i;
+
+ if (i == 0)
+ has_audio = cdv_intel_dp_detect_audio(connector);
+ else
+ has_audio = i > 0;
+
+ if (has_audio == intel_dp->has_audio)
+ return 0;
+
+ intel_dp->has_audio = has_audio;
+ goto done;
+ }
+
+ if (property == dev_priv->broadcast_rgb_property) {
+ if (val == !!intel_dp->color_range)
+ return 0;
+
+ intel_dp->color_range = val ? DP_COLOR_RANGE_16_235 : 0;
+ goto done;
+ }
+
+ return -EINVAL;
+
+done:
+ if (encoder->base.crtc) {
+ struct drm_crtc *crtc = encoder->base.crtc;
+ drm_crtc_helper_set_mode(crtc, &crtc->mode,
+ crtc->x, crtc->y,
+ crtc->primary->fb);
+ }
+
+ return 0;
+}
+
+static void
+cdv_intel_dp_destroy(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct cdv_intel_dp *intel_dp = gma_encoder->dev_priv;
+
+ if (is_edp(gma_encoder)) {
+ /* cdv_intel_panel_destroy_backlight(connector->dev); */
+ if (intel_dp->panel_fixed_mode) {
+ kfree(intel_dp->panel_fixed_mode);
+ intel_dp->panel_fixed_mode = NULL;
+ }
+ }
+ i2c_del_adapter(&intel_dp->adapter);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static void cdv_intel_dp_encoder_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_helper_funcs cdv_intel_dp_helper_funcs = {
+ .dpms = cdv_intel_dp_dpms,
+ .mode_fixup = cdv_intel_dp_mode_fixup,
+ .prepare = cdv_intel_dp_prepare,
+ .mode_set = cdv_intel_dp_mode_set,
+ .commit = cdv_intel_dp_commit,
+};
+
+static const struct drm_connector_funcs cdv_intel_dp_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = cdv_intel_dp_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = cdv_intel_dp_set_property,
+ .destroy = cdv_intel_dp_destroy,
+};
+
+static const struct drm_connector_helper_funcs cdv_intel_dp_connector_helper_funcs = {
+ .get_modes = cdv_intel_dp_get_modes,
+ .mode_valid = cdv_intel_dp_mode_valid,
+ .best_encoder = gma_best_encoder,
+};
+
+static const struct drm_encoder_funcs cdv_intel_dp_enc_funcs = {
+ .destroy = cdv_intel_dp_encoder_destroy,
+};
+
+
+static void cdv_intel_dp_add_properties(struct drm_connector *connector)
+{
+ cdv_intel_attach_force_audio_property(connector);
+ cdv_intel_attach_broadcast_rgb_property(connector);
+}
+
+/* check the VBT to see whether the eDP is on DP-D port */
+static bool cdv_intel_dpc_is_edp(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct child_device_config *p_child;
+ int i;
+
+ if (!dev_priv->child_dev_num)
+ return false;
+
+ for (i = 0; i < dev_priv->child_dev_num; i++) {
+ p_child = dev_priv->child_dev + i;
+
+ if (p_child->dvo_port == PORT_IDPC &&
+ p_child->device_type == DEVICE_TYPE_eDP)
+ return true;
+ }
+ return false;
+}
+
+/* Cedarview display clock gating
+
+ We need this disable dot get correct behaviour while enabling
+ DP/eDP. TODO - investigate if we can turn it back to normality
+ after enabling */
+static void cdv_disable_intel_clock_gating(struct drm_device *dev)
+{
+ u32 reg_value;
+ reg_value = REG_READ(DSPCLK_GATE_D);
+
+ reg_value |= (DPUNIT_PIPEB_GATE_DISABLE |
+ DPUNIT_PIPEA_GATE_DISABLE |
+ DPCUNIT_CLOCK_GATE_DISABLE |
+ DPLSUNIT_CLOCK_GATE_DISABLE |
+ DPOUNIT_CLOCK_GATE_DISABLE |
+ DPIOUNIT_CLOCK_GATE_DISABLE);
+
+ REG_WRITE(DSPCLK_GATE_D, reg_value);
+
+ udelay(500);
+}
+
+void
+cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg)
+{
+ struct gma_encoder *gma_encoder;
+ struct gma_connector *gma_connector;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct cdv_intel_dp *intel_dp;
+ const char *name = NULL;
+ int type = DRM_MODE_CONNECTOR_DisplayPort;
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+ if (!gma_encoder)
+ return;
+ gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+ if (!gma_connector)
+ goto err_connector;
+ intel_dp = kzalloc(sizeof(struct cdv_intel_dp), GFP_KERNEL);
+ if (!intel_dp)
+ goto err_priv;
+
+ if ((output_reg == DP_C) && cdv_intel_dpc_is_edp(dev))
+ type = DRM_MODE_CONNECTOR_eDP;
+
+ connector = &gma_connector->base;
+ encoder = &gma_encoder->base;
+
+ drm_connector_init(dev, connector, &cdv_intel_dp_connector_funcs, type);
+ drm_encoder_init(dev, encoder, &cdv_intel_dp_enc_funcs, DRM_MODE_ENCODER_TMDS);
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+
+ if (type == DRM_MODE_CONNECTOR_DisplayPort)
+ gma_encoder->type = INTEL_OUTPUT_DISPLAYPORT;
+ else
+ gma_encoder->type = INTEL_OUTPUT_EDP;
+
+
+ gma_encoder->dev_priv=intel_dp;
+ intel_dp->encoder = gma_encoder;
+ intel_dp->output_reg = output_reg;
+
+ drm_encoder_helper_add(encoder, &cdv_intel_dp_helper_funcs);
+ drm_connector_helper_add(connector, &cdv_intel_dp_connector_helper_funcs);
+
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ drm_connector_register(connector);
+
+ /* Set up the DDC bus. */
+ switch (output_reg) {
+ case DP_B:
+ name = "DPDDC-B";
+ gma_encoder->ddi_select = (DP_MASK | DDI0_SELECT);
+ break;
+ case DP_C:
+ name = "DPDDC-C";
+ gma_encoder->ddi_select = (DP_MASK | DDI1_SELECT);
+ break;
+ }
+
+ cdv_disable_intel_clock_gating(dev);
+
+ cdv_intel_dp_i2c_init(gma_connector, gma_encoder, name);
+ /* FIXME:fail check */
+ cdv_intel_dp_add_properties(connector);
+
+ if (is_edp(gma_encoder)) {
+ int ret;
+ struct edp_power_seq cur;
+ u32 pp_on, pp_off, pp_div;
+ u32 pwm_ctrl;
+
+ pp_on = REG_READ(PP_CONTROL);
+ pp_on &= ~PANEL_UNLOCK_MASK;
+ pp_on |= PANEL_UNLOCK_REGS;
+
+ REG_WRITE(PP_CONTROL, pp_on);
+
+ pwm_ctrl = REG_READ(BLC_PWM_CTL2);
+ pwm_ctrl |= PWM_PIPE_B;
+ REG_WRITE(BLC_PWM_CTL2, pwm_ctrl);
+
+ pp_on = REG_READ(PP_ON_DELAYS);
+ pp_off = REG_READ(PP_OFF_DELAYS);
+ pp_div = REG_READ(PP_DIVISOR);
+
+ /* Pull timing values out of registers */
+ cur.t1_t3 = (pp_on & PANEL_POWER_UP_DELAY_MASK) >>
+ PANEL_POWER_UP_DELAY_SHIFT;
+
+ cur.t8 = (pp_on & PANEL_LIGHT_ON_DELAY_MASK) >>
+ PANEL_LIGHT_ON_DELAY_SHIFT;
+
+ cur.t9 = (pp_off & PANEL_LIGHT_OFF_DELAY_MASK) >>
+ PANEL_LIGHT_OFF_DELAY_SHIFT;
+
+ cur.t10 = (pp_off & PANEL_POWER_DOWN_DELAY_MASK) >>
+ PANEL_POWER_DOWN_DELAY_SHIFT;
+
+ cur.t11_t12 = ((pp_div & PANEL_POWER_CYCLE_DELAY_MASK) >>
+ PANEL_POWER_CYCLE_DELAY_SHIFT);
+
+ DRM_DEBUG_KMS("cur t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n",
+ cur.t1_t3, cur.t8, cur.t9, cur.t10, cur.t11_t12);
+
+
+ intel_dp->panel_power_up_delay = cur.t1_t3 / 10;
+ intel_dp->backlight_on_delay = cur.t8 / 10;
+ intel_dp->backlight_off_delay = cur.t9 / 10;
+ intel_dp->panel_power_down_delay = cur.t10 / 10;
+ intel_dp->panel_power_cycle_delay = (cur.t11_t12 - 1) * 100;
+
+ DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n",
+ intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay,
+ intel_dp->panel_power_cycle_delay);
+
+ DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n",
+ intel_dp->backlight_on_delay, intel_dp->backlight_off_delay);
+
+
+ cdv_intel_edp_panel_vdd_on(gma_encoder);
+ ret = cdv_intel_dp_aux_native_read(gma_encoder, DP_DPCD_REV,
+ intel_dp->dpcd,
+ sizeof(intel_dp->dpcd));
+ cdv_intel_edp_panel_vdd_off(gma_encoder);
+ if (ret == 0) {
+ /* if this fails, presume the device is a ghost */
+ DRM_INFO("failed to retrieve link info, disabling eDP\n");
+ cdv_intel_dp_encoder_destroy(encoder);
+ cdv_intel_dp_destroy(connector);
+ goto err_priv;
+ } else {
+ DRM_DEBUG_KMS("DPCD: Rev=%x LN_Rate=%x LN_CNT=%x LN_DOWNSP=%x\n",
+ intel_dp->dpcd[0], intel_dp->dpcd[1],
+ intel_dp->dpcd[2], intel_dp->dpcd[3]);
+
+ }
+ /* The CDV reference driver moves pnale backlight setup into the displays that
+ have a backlight: this is a good idea and one we should probably adopt, however
+ we need to migrate all the drivers before we can do that */
+ /*cdv_intel_panel_setup_backlight(dev); */
+ }
+ return;
+
+err_priv:
+ kfree(gma_connector);
+err_connector:
+ kfree(gma_encoder);
+}
diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
new file mode 100644
index 0000000..6b1d334
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
@@ -0,0 +1,369 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ *
+ * FIXME:
+ * We should probably make this generic and share it with Medfield
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+#include "psb_intel_drv.h"
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "cdv_device.h"
+#include <linux/pm_runtime.h>
+
+/* hdmi control bits */
+#define HDMI_NULL_PACKETS_DURING_VSYNC (1 << 9)
+#define HDMI_BORDER_ENABLE (1 << 7)
+#define HDMI_AUDIO_ENABLE (1 << 6)
+#define HDMI_VSYNC_ACTIVE_HIGH (1 << 4)
+#define HDMI_HSYNC_ACTIVE_HIGH (1 << 3)
+/* hdmi-b control bits */
+#define HDMIB_PIPE_B_SELECT (1 << 30)
+
+
+struct mid_intel_hdmi_priv {
+ u32 hdmi_reg;
+ u32 save_HDMIB;
+ bool has_hdmi_sink;
+ bool has_hdmi_audio;
+ /* Should set this when detect hotplug */
+ bool hdmi_device_connected;
+ struct mdfld_hdmi_i2c *i2c_bus;
+ struct i2c_adapter *hdmi_i2c_adapter; /* for control functions */
+ struct drm_device *dev;
+};
+
+static void cdv_hdmi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+ struct mid_intel_hdmi_priv *hdmi_priv = gma_encoder->dev_priv;
+ u32 hdmib;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+
+ hdmib = (2 << 10);
+
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ hdmib |= HDMI_VSYNC_ACTIVE_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ hdmib |= HDMI_HSYNC_ACTIVE_HIGH;
+
+ if (gma_crtc->pipe == 1)
+ hdmib |= HDMIB_PIPE_B_SELECT;
+
+ if (hdmi_priv->has_hdmi_audio) {
+ hdmib |= HDMI_AUDIO_ENABLE;
+ hdmib |= HDMI_NULL_PACKETS_DURING_VSYNC;
+ }
+
+ REG_WRITE(hdmi_priv->hdmi_reg, hdmib);
+ REG_READ(hdmi_priv->hdmi_reg);
+}
+
+static void cdv_hdmi_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+ struct mid_intel_hdmi_priv *hdmi_priv = gma_encoder->dev_priv;
+ u32 hdmib;
+
+ hdmib = REG_READ(hdmi_priv->hdmi_reg);
+
+ if (mode != DRM_MODE_DPMS_ON)
+ REG_WRITE(hdmi_priv->hdmi_reg, hdmib & ~HDMIB_PORT_EN);
+ else
+ REG_WRITE(hdmi_priv->hdmi_reg, hdmib | HDMIB_PORT_EN);
+ REG_READ(hdmi_priv->hdmi_reg);
+}
+
+static void cdv_hdmi_save(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct mid_intel_hdmi_priv *hdmi_priv = gma_encoder->dev_priv;
+
+ hdmi_priv->save_HDMIB = REG_READ(hdmi_priv->hdmi_reg);
+}
+
+static void cdv_hdmi_restore(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct mid_intel_hdmi_priv *hdmi_priv = gma_encoder->dev_priv;
+
+ REG_WRITE(hdmi_priv->hdmi_reg, hdmi_priv->save_HDMIB);
+ REG_READ(hdmi_priv->hdmi_reg);
+}
+
+static enum drm_connector_status cdv_hdmi_detect(
+ struct drm_connector *connector, bool force)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct mid_intel_hdmi_priv *hdmi_priv = gma_encoder->dev_priv;
+ struct edid *edid = NULL;
+ enum drm_connector_status status = connector_status_disconnected;
+
+ edid = drm_get_edid(connector, &gma_encoder->i2c_bus->adapter);
+
+ hdmi_priv->has_hdmi_sink = false;
+ hdmi_priv->has_hdmi_audio = false;
+ if (edid) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL) {
+ status = connector_status_connected;
+ hdmi_priv->has_hdmi_sink =
+ drm_detect_hdmi_monitor(edid);
+ hdmi_priv->has_hdmi_audio =
+ drm_detect_monitor_audio(edid);
+ }
+ kfree(edid);
+ }
+ return status;
+}
+
+static int cdv_hdmi_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value)
+{
+ struct drm_encoder *encoder = connector->encoder;
+
+ if (!strcmp(property->name, "scaling mode") && encoder) {
+ struct gma_crtc *crtc = to_gma_crtc(encoder->crtc);
+ bool centre;
+ uint64_t curValue;
+
+ if (!crtc)
+ return -1;
+
+ switch (value) {
+ case DRM_MODE_SCALE_FULLSCREEN:
+ break;
+ case DRM_MODE_SCALE_NO_SCALE:
+ break;
+ case DRM_MODE_SCALE_ASPECT:
+ break;
+ default:
+ return -1;
+ }
+
+ if (drm_object_property_get_value(&connector->base,
+ property, &curValue))
+ return -1;
+
+ if (curValue == value)
+ return 0;
+
+ if (drm_object_property_set_value(&connector->base,
+ property, value))
+ return -1;
+
+ centre = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
+ (value == DRM_MODE_SCALE_NO_SCALE);
+
+ if (crtc->saved_mode.hdisplay != 0 &&
+ crtc->saved_mode.vdisplay != 0) {
+ if (centre) {
+ if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode,
+ encoder->crtc->x, encoder->crtc->y, encoder->crtc->primary->fb))
+ return -1;
+ } else {
+ const struct drm_encoder_helper_funcs *helpers
+ = encoder->helper_private;
+ helpers->mode_set(encoder, &crtc->saved_mode,
+ &crtc->saved_adjusted_mode);
+ }
+ }
+ }
+ return 0;
+}
+
+/*
+ * Return the list of HDMI DDC modes if available.
+ */
+static int cdv_hdmi_get_modes(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct edid *edid = NULL;
+ int ret = 0;
+
+ edid = drm_get_edid(connector, &gma_encoder->i2c_bus->adapter);
+ if (edid) {
+ drm_mode_connector_update_edid_property(connector, edid);
+ ret = drm_add_edid_modes(connector, edid);
+ kfree(edid);
+ }
+ return ret;
+}
+
+static int cdv_hdmi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ if (mode->clock > 165000)
+ return MODE_CLOCK_HIGH;
+ if (mode->clock < 20000)
+ return MODE_CLOCK_HIGH;
+
+ /* just in case */
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ /* just in case */
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ return MODE_NO_INTERLACE;
+
+ return MODE_OK;
+}
+
+static void cdv_hdmi_destroy(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+
+ if (gma_encoder->i2c_bus)
+ psb_intel_i2c_destroy(gma_encoder->i2c_bus);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static const struct drm_encoder_helper_funcs cdv_hdmi_helper_funcs = {
+ .dpms = cdv_hdmi_dpms,
+ .mode_fixup = gma_encoder_mode_fixup,
+ .prepare = gma_encoder_prepare,
+ .mode_set = cdv_hdmi_mode_set,
+ .commit = gma_encoder_commit,
+};
+
+static const struct drm_connector_helper_funcs
+ cdv_hdmi_connector_helper_funcs = {
+ .get_modes = cdv_hdmi_get_modes,
+ .mode_valid = cdv_hdmi_mode_valid,
+ .best_encoder = gma_best_encoder,
+};
+
+static const struct drm_connector_funcs cdv_hdmi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .save = cdv_hdmi_save,
+ .restore = cdv_hdmi_restore,
+ .detect = cdv_hdmi_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = cdv_hdmi_set_property,
+ .destroy = cdv_hdmi_destroy,
+};
+
+void cdv_hdmi_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev, int reg)
+{
+ struct gma_encoder *gma_encoder;
+ struct gma_connector *gma_connector;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct mid_intel_hdmi_priv *hdmi_priv;
+ int ddc_bus;
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+
+ if (!gma_encoder)
+ return;
+
+ gma_connector = kzalloc(sizeof(struct gma_connector),
+ GFP_KERNEL);
+
+ if (!gma_connector)
+ goto err_connector;
+
+ hdmi_priv = kzalloc(sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL);
+
+ if (!hdmi_priv)
+ goto err_priv;
+
+ connector = &gma_connector->base;
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ encoder = &gma_encoder->base;
+ drm_connector_init(dev, connector,
+ &cdv_hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_DVID);
+
+ drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs,
+ DRM_MODE_ENCODER_TMDS);
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+ gma_encoder->type = INTEL_OUTPUT_HDMI;
+ hdmi_priv->hdmi_reg = reg;
+ hdmi_priv->has_hdmi_sink = false;
+ gma_encoder->dev_priv = hdmi_priv;
+
+ drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs);
+ drm_connector_helper_add(connector,
+ &cdv_hdmi_connector_helper_funcs);
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.scaling_mode_property,
+ DRM_MODE_SCALE_FULLSCREEN);
+
+ switch (reg) {
+ case SDVOB:
+ ddc_bus = GPIOE;
+ gma_encoder->ddi_select = DDI0_SELECT;
+ break;
+ case SDVOC:
+ ddc_bus = GPIOD;
+ gma_encoder->ddi_select = DDI1_SELECT;
+ break;
+ default:
+ DRM_ERROR("unknown reg 0x%x for HDMI\n", reg);
+ goto failed_ddc;
+ break;
+ }
+
+ gma_encoder->i2c_bus = psb_intel_i2c_create(dev,
+ ddc_bus, (reg == SDVOB) ? "HDMIB" : "HDMIC");
+
+ if (!gma_encoder->i2c_bus) {
+ dev_err(dev->dev, "No ddc adapter available!\n");
+ goto failed_ddc;
+ }
+
+ hdmi_priv->hdmi_i2c_adapter = &(gma_encoder->i2c_bus->adapter);
+ hdmi_priv->dev = dev;
+ drm_connector_register(connector);
+ return;
+
+failed_ddc:
+ drm_encoder_cleanup(encoder);
+ drm_connector_cleanup(connector);
+err_priv:
+ kfree(gma_connector);
+err_connector:
+ kfree(gma_encoder);
+}
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
new file mode 100644
index 0000000..211069b
--- /dev/null
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -0,0 +1,798 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Dave Airlie <airlied@linux.ie>
+ * Jesse Barnes <jesse.barnes@intel.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/dmi.h>
+#include <drm/drmP.h>
+
+#include "intel_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "power.h"
+#include <linux/pm_runtime.h>
+#include "cdv_device.h"
+
+/**
+ * LVDS I2C backlight control macros
+ */
+#define BRIGHTNESS_MAX_LEVEL 100
+#define BRIGHTNESS_MASK 0xFF
+#define BLC_I2C_TYPE 0x01
+#define BLC_PWM_TYPT 0x02
+
+#define BLC_POLARITY_NORMAL 0
+#define BLC_POLARITY_INVERSE 1
+
+#define PSB_BLC_MAX_PWM_REG_FREQ (0xFFFE)
+#define PSB_BLC_MIN_PWM_REG_FREQ (0x2)
+#define PSB_BLC_PWM_PRECISION_FACTOR (10)
+#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16)
+#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
+
+struct cdv_intel_lvds_priv {
+ /**
+ * Saved LVDO output states
+ */
+ uint32_t savePP_ON;
+ uint32_t savePP_OFF;
+ uint32_t saveLVDS;
+ uint32_t savePP_CONTROL;
+ uint32_t savePP_CYCLE;
+ uint32_t savePFIT_CONTROL;
+ uint32_t savePFIT_PGM_RATIOS;
+ uint32_t saveBLC_PWM_CTL;
+};
+
+/*
+ * Returns the maximum level of the backlight duty cycle field.
+ */
+static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 retval;
+
+ if (gma_power_begin(dev, false)) {
+ retval = ((REG_READ(BLC_PWM_CTL) &
+ BACKLIGHT_MODULATION_FREQ_MASK) >>
+ BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
+
+ gma_power_end(dev);
+ } else
+ retval = ((dev_priv->regs.saveBLC_PWM_CTL &
+ BACKLIGHT_MODULATION_FREQ_MASK) >>
+ BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
+
+ return retval;
+}
+
+#if 0
+/*
+ * Set LVDS backlight level by I2C command
+ */
+static int cdv_lvds_i2c_set_brightness(struct drm_device *dev,
+ unsigned int level)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
+ u8 out_buf[2];
+ unsigned int blc_i2c_brightness;
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = lvds_i2c_bus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ }
+ };
+
+ blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
+ BRIGHTNESS_MASK /
+ BRIGHTNESS_MAX_LEVEL);
+
+ if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
+ blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
+
+ out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
+ out_buf[1] = (u8)blc_i2c_brightness;
+
+ if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1)
+ return 0;
+
+ DRM_ERROR("I2C transfer error\n");
+ return -1;
+}
+
+
+static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ u32 max_pwm_blc;
+ u32 blc_pwm_duty_cycle;
+
+ max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev);
+
+ /*BLC_PWM_CTL Should be initiated while backlight device init*/
+ BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0);
+
+ blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
+
+ if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
+ blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
+
+ blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
+ REG_WRITE(BLC_PWM_CTL,
+ (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
+ (blc_pwm_duty_cycle));
+
+ return 0;
+}
+
+/*
+ * Set LVDS backlight level either by I2C or PWM
+ */
+void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (!dev_priv->lvds_bl) {
+ DRM_ERROR("NO LVDS Backlight Info\n");
+ return;
+ }
+
+ if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
+ cdv_lvds_i2c_set_brightness(dev, level);
+ else
+ cdv_lvds_pwm_set_brightness(dev, level);
+}
+#endif
+
+/**
+ * Sets the backlight level.
+ *
+ * level backlight level, from 0 to cdv_intel_lvds_get_max_backlight().
+ */
+static void cdv_intel_lvds_set_backlight(struct drm_device *dev, int level)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 blc_pwm_ctl;
+
+ if (gma_power_begin(dev, false)) {
+ blc_pwm_ctl =
+ REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ REG_WRITE(BLC_PWM_CTL,
+ (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
+ gma_power_end(dev);
+ } else {
+ blc_pwm_ctl = dev_priv->regs.saveBLC_PWM_CTL &
+ ~BACKLIGHT_DUTY_CYCLE_MASK;
+ dev_priv->regs.saveBLC_PWM_CTL = (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT));
+ }
+}
+
+/**
+ * Sets the power state for the panel.
+ */
+static void cdv_intel_lvds_set_power(struct drm_device *dev,
+ struct drm_encoder *encoder, bool on)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pp_status;
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ if (on) {
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
+ POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0);
+
+ cdv_intel_lvds_set_backlight(dev,
+ dev_priv->mode_dev.backlight_duty_cycle);
+ } else {
+ cdv_intel_lvds_set_backlight(dev, 0);
+
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
+ ~POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while (pp_status & PP_ON);
+ }
+ gma_power_end(dev);
+}
+
+static void cdv_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ if (mode == DRM_MODE_DPMS_ON)
+ cdv_intel_lvds_set_power(dev, encoder, true);
+ else
+ cdv_intel_lvds_set_power(dev, encoder, false);
+ /* XXX: We never power down the LVDS pairs. */
+}
+
+static void cdv_intel_lvds_save(struct drm_connector *connector)
+{
+}
+
+static void cdv_intel_lvds_restore(struct drm_connector *connector)
+{
+}
+
+static int cdv_intel_lvds_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_display_mode *fixed_mode =
+ dev_priv->mode_dev.panel_fixed_mode;
+
+ /* just in case */
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ /* just in case */
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ return MODE_NO_INTERLACE;
+
+ if (fixed_mode) {
+ if (mode->hdisplay > fixed_mode->hdisplay)
+ return MODE_PANEL;
+ if (mode->vdisplay > fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+ return MODE_OK;
+}
+
+static bool cdv_intel_lvds_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ struct drm_encoder *tmp_encoder;
+ struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
+
+ /* Should never happen!! */
+ list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
+ head) {
+ if (tmp_encoder != encoder
+ && tmp_encoder->crtc == encoder->crtc) {
+ printk(KERN_ERR "Can't enable LVDS and another "
+ "encoder on the same pipe\n");
+ return false;
+ }
+ }
+
+ /*
+ * If we have timings from the BIOS for the panel, put them in
+ * to the adjusted mode. The CRTC will be set up for this mode,
+ * with the panel scaling set up to source from the H/VDisplay
+ * of the original mode.
+ */
+ if (panel_fixed_mode != NULL) {
+ adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
+ adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
+ adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
+ adjusted_mode->htotal = panel_fixed_mode->htotal;
+ adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
+ adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
+ adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
+ adjusted_mode->vtotal = panel_fixed_mode->vtotal;
+ adjusted_mode->clock = panel_fixed_mode->clock;
+ drm_mode_set_crtcinfo(adjusted_mode,
+ CRTC_INTERLACE_HALVE_V);
+ }
+
+ /*
+ * XXX: It would be nice to support lower refresh rates on the
+ * panels to reduce power consumption, and perhaps match the
+ * user's requested refresh rate.
+ */
+
+ return true;
+}
+
+static void cdv_intel_lvds_prepare(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+
+ cdv_intel_lvds_set_power(dev, encoder, false);
+
+ gma_power_end(dev);
+}
+
+static void cdv_intel_lvds_commit(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+ if (mode_dev->backlight_duty_cycle == 0)
+ mode_dev->backlight_duty_cycle =
+ cdv_intel_lvds_get_max_backlight(dev);
+
+ cdv_intel_lvds_set_power(dev, encoder, true);
+}
+
+static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(encoder->crtc);
+ u32 pfit_control;
+
+ /*
+ * The LVDS pin pair will already have been turned on in the
+ * cdv_intel_crtc_mode_set since it has a large impact on the DPLL
+ * settings.
+ */
+
+ /*
+ * Enable automatic panel scaling so that non-native modes fill the
+ * screen. Should be enabled before the pipe is enabled, according to
+ * register description and PRM.
+ */
+ if (mode->hdisplay != adjusted_mode->hdisplay ||
+ mode->vdisplay != adjusted_mode->vdisplay)
+ pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
+ HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
+ HORIZ_INTERP_BILINEAR);
+ else
+ pfit_control = 0;
+
+ pfit_control |= gma_crtc->pipe << PFIT_PIPE_SHIFT;
+
+ if (dev_priv->lvds_dither)
+ pfit_control |= PANEL_8TO6_DITHER_ENABLE;
+
+ REG_WRITE(PFIT_CONTROL, pfit_control);
+}
+
+/**
+ * Detect the LVDS connection.
+ *
+ * This always returns CONNECTOR_STATUS_CONNECTED.
+ * This connector should only have
+ * been set up if the LVDS was actually connected anyway.
+ */
+static enum drm_connector_status cdv_intel_lvds_detect(
+ struct drm_connector *connector, bool force)
+{
+ return connector_status_connected;
+}
+
+/**
+ * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
+ */
+static int cdv_intel_lvds_get_modes(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ int ret;
+
+ ret = psb_intel_ddc_get_modes(connector, &gma_encoder->i2c_bus->adapter);
+
+ if (ret)
+ return ret;
+
+ /* Didn't get an EDID, so
+ * Set wide sync ranges so we get all modes
+ * handed to valid_mode for checking
+ */
+ connector->display_info.min_vfreq = 0;
+ connector->display_info.max_vfreq = 200;
+ connector->display_info.min_hfreq = 0;
+ connector->display_info.max_hfreq = 200;
+ if (mode_dev->panel_fixed_mode != NULL) {
+ struct drm_display_mode *mode =
+ drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
+ drm_mode_probed_add(connector, mode);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * cdv_intel_lvds_destroy - unregister and free LVDS structures
+ * @connector: connector to free
+ *
+ * Unregister the DDC bus for this connector then free the driver private
+ * structure.
+ */
+static void cdv_intel_lvds_destroy(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+
+ if (gma_encoder->i2c_bus)
+ psb_intel_i2c_destroy(gma_encoder->i2c_bus);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static int cdv_intel_lvds_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value)
+{
+ struct drm_encoder *encoder = connector->encoder;
+
+ if (!strcmp(property->name, "scaling mode") && encoder) {
+ struct gma_crtc *crtc = to_gma_crtc(encoder->crtc);
+ uint64_t curValue;
+
+ if (!crtc)
+ return -1;
+
+ switch (value) {
+ case DRM_MODE_SCALE_FULLSCREEN:
+ break;
+ case DRM_MODE_SCALE_NO_SCALE:
+ break;
+ case DRM_MODE_SCALE_ASPECT:
+ break;
+ default:
+ return -1;
+ }
+
+ if (drm_object_property_get_value(&connector->base,
+ property,
+ &curValue))
+ return -1;
+
+ if (curValue == value)
+ return 0;
+
+ if (drm_object_property_set_value(&connector->base,
+ property,
+ value))
+ return -1;
+
+ if (crtc->saved_mode.hdisplay != 0 &&
+ crtc->saved_mode.vdisplay != 0) {
+ if (!drm_crtc_helper_set_mode(encoder->crtc,
+ &crtc->saved_mode,
+ encoder->crtc->x,
+ encoder->crtc->y,
+ encoder->crtc->primary->fb))
+ return -1;
+ }
+ } else if (!strcmp(property->name, "backlight") && encoder) {
+ if (drm_object_property_set_value(&connector->base,
+ property,
+ value))
+ return -1;
+ else
+ gma_backlight_set(encoder->dev, value);
+ } else if (!strcmp(property->name, "DPMS") && encoder) {
+ const struct drm_encoder_helper_funcs *helpers =
+ encoder->helper_private;
+ helpers->dpms(encoder, value);
+ }
+ return 0;
+}
+
+static const struct drm_encoder_helper_funcs
+ cdv_intel_lvds_helper_funcs = {
+ .dpms = cdv_intel_lvds_encoder_dpms,
+ .mode_fixup = cdv_intel_lvds_mode_fixup,
+ .prepare = cdv_intel_lvds_prepare,
+ .mode_set = cdv_intel_lvds_mode_set,
+ .commit = cdv_intel_lvds_commit,
+};
+
+static const struct drm_connector_helper_funcs
+ cdv_intel_lvds_connector_helper_funcs = {
+ .get_modes = cdv_intel_lvds_get_modes,
+ .mode_valid = cdv_intel_lvds_mode_valid,
+ .best_encoder = gma_best_encoder,
+};
+
+static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .save = cdv_intel_lvds_save,
+ .restore = cdv_intel_lvds_restore,
+ .detect = cdv_intel_lvds_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = cdv_intel_lvds_set_property,
+ .destroy = cdv_intel_lvds_destroy,
+};
+
+
+static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = {
+ .destroy = cdv_intel_lvds_enc_destroy,
+};
+
+/*
+ * Enumerate the child dev array parsed from VBT to check whether
+ * the LVDS is present.
+ * If it is present, return 1.
+ * If it is not present, return false.
+ * If no child dev is parsed from VBT, it assumes that the LVDS is present.
+ */
+static bool lvds_is_present_in_vbt(struct drm_device *dev,
+ u8 *i2c_pin)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int i;
+
+ if (!dev_priv->child_dev_num)
+ return true;
+
+ for (i = 0; i < dev_priv->child_dev_num; i++) {
+ struct child_device_config *child = dev_priv->child_dev + i;
+
+ /* If the device type is not LFP, continue.
+ * We have to check both the new identifiers as well as the
+ * old for compatibility with some BIOSes.
+ */
+ if (child->device_type != DEVICE_TYPE_INT_LFP &&
+ child->device_type != DEVICE_TYPE_LFP)
+ continue;
+
+ if (child->i2c_pin)
+ *i2c_pin = child->i2c_pin;
+
+ /* However, we cannot trust the BIOS writers to populate
+ * the VBT correctly. Since LVDS requires additional
+ * information from AIM blocks, a non-zero addin offset is
+ * a good indicator that the LVDS is actually present.
+ */
+ if (child->addin_offset)
+ return true;
+
+ /* But even then some BIOS writers perform some black magic
+ * and instantiate the device without reference to any
+ * additional data. Trust that if the VBT was written into
+ * the OpRegion then they have validated the LVDS's existence.
+ */
+ if (dev_priv->opregion.vbt)
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * cdv_intel_lvds_init - setup LVDS connectors on this device
+ * @dev: drm device
+ *
+ * Create the connector, register the LVDS DDC bus, and try to figure out what
+ * modes we can display on the LVDS panel (if present).
+ */
+void cdv_intel_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev)
+{
+ struct gma_encoder *gma_encoder;
+ struct gma_connector *gma_connector;
+ struct cdv_intel_lvds_priv *lvds_priv;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct drm_display_mode *scan;
+ struct drm_crtc *crtc;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 lvds;
+ int pipe;
+ u8 pin;
+
+ pin = GMBUS_PORT_PANEL;
+ if (!lvds_is_present_in_vbt(dev, &pin)) {
+ DRM_DEBUG_KMS("LVDS is not present in VBT\n");
+ return;
+ }
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder),
+ GFP_KERNEL);
+ if (!gma_encoder)
+ return;
+
+ gma_connector = kzalloc(sizeof(struct gma_connector),
+ GFP_KERNEL);
+ if (!gma_connector)
+ goto failed_connector;
+
+ lvds_priv = kzalloc(sizeof(struct cdv_intel_lvds_priv), GFP_KERNEL);
+ if (!lvds_priv)
+ goto failed_lvds_priv;
+
+ gma_encoder->dev_priv = lvds_priv;
+
+ connector = &gma_connector->base;
+ encoder = &gma_encoder->base;
+
+
+ drm_connector_init(dev, connector,
+ &cdv_intel_lvds_connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+
+ drm_encoder_init(dev, encoder,
+ &cdv_intel_lvds_enc_funcs,
+ DRM_MODE_ENCODER_LVDS);
+
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+ gma_encoder->type = INTEL_OUTPUT_LVDS;
+
+ drm_encoder_helper_add(encoder, &cdv_intel_lvds_helper_funcs);
+ drm_connector_helper_add(connector,
+ &cdv_intel_lvds_connector_helper_funcs);
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ /*Attach connector properties*/
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.scaling_mode_property,
+ DRM_MODE_SCALE_FULLSCREEN);
+ drm_object_attach_property(&connector->base,
+ dev_priv->backlight_property,
+ BRIGHTNESS_MAX_LEVEL);
+
+ /**
+ * Set up I2C bus
+ * FIXME: distroy i2c_bus when exit
+ */
+ gma_encoder->i2c_bus = psb_intel_i2c_create(dev,
+ GPIOB,
+ "LVDSBLC_B");
+ if (!gma_encoder->i2c_bus) {
+ dev_printk(KERN_ERR,
+ &dev->pdev->dev, "I2C bus registration failed.\n");
+ goto failed_blc_i2c;
+ }
+ gma_encoder->i2c_bus->slave_addr = 0x2C;
+ dev_priv->lvds_i2c_bus = gma_encoder->i2c_bus;
+
+ /*
+ * LVDS discovery:
+ * 1) check for EDID on DDC
+ * 2) check for VBT data
+ * 3) check to see if LVDS is already on
+ * if none of the above, no panel
+ * 4) make sure lid is open
+ * if closed, act like it's not there for now
+ */
+
+ /* Set up the DDC bus. */
+ gma_encoder->ddc_bus = psb_intel_i2c_create(dev,
+ GPIOC,
+ "LVDSDDC_C");
+ if (!gma_encoder->ddc_bus) {
+ dev_printk(KERN_ERR, &dev->pdev->dev,
+ "DDC bus registration " "failed.\n");
+ goto failed_ddc;
+ }
+
+ /*
+ * Attempt to get the fixed panel mode from DDC. Assume that the
+ * preferred mode is the right one.
+ */
+ mutex_lock(&dev->mode_config.mutex);
+ psb_intel_ddc_get_modes(connector,
+ &gma_encoder->ddc_bus->adapter);
+ list_for_each_entry(scan, &connector->probed_modes, head) {
+ if (scan->type & DRM_MODE_TYPE_PREFERRED) {
+ mode_dev->panel_fixed_mode =
+ drm_mode_duplicate(dev, scan);
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+
+ /* Failed to get EDID, what about VBT? do we need this?*/
+ if (dev_priv->lfp_lvds_vbt_mode) {
+ mode_dev->panel_fixed_mode =
+ drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
+ if (mode_dev->panel_fixed_mode) {
+ mode_dev->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+ /*
+ * If we didn't get EDID, try checking if the panel is already turned
+ * on. If so, assume that whatever is currently programmed is the
+ * correct mode.
+ */
+ lvds = REG_READ(LVDS);
+ pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
+ crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
+
+ if (crtc && (lvds & LVDS_PORT_EN)) {
+ mode_dev->panel_fixed_mode =
+ cdv_intel_crtc_mode_get(dev, crtc);
+ if (mode_dev->panel_fixed_mode) {
+ mode_dev->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+
+ /* If we still don't have a mode after all that, give up. */
+ if (!mode_dev->panel_fixed_mode) {
+ DRM_DEBUG
+ ("Found no modes on the lvds, ignoring the LVDS\n");
+ goto failed_find;
+ }
+
+ /* setup PWM */
+ {
+ u32 pwm;
+
+ pwm = REG_READ(BLC_PWM_CTL2);
+ if (pipe == 1)
+ pwm |= PWM_PIPE_B;
+ else
+ pwm &= ~PWM_PIPE_B;
+ pwm |= PWM_ENABLE;
+ REG_WRITE(BLC_PWM_CTL2, pwm);
+ }
+
+out:
+ mutex_unlock(&dev->mode_config.mutex);
+ drm_connector_register(connector);
+ return;
+
+failed_find:
+ mutex_unlock(&dev->mode_config.mutex);
+ printk(KERN_ERR "Failed find\n");
+ if (gma_encoder->ddc_bus)
+ psb_intel_i2c_destroy(gma_encoder->ddc_bus);
+failed_ddc:
+ printk(KERN_ERR "Failed DDC\n");
+ if (gma_encoder->i2c_bus)
+ psb_intel_i2c_destroy(gma_encoder->i2c_bus);
+failed_blc_i2c:
+ printk(KERN_ERR "Failed BLC\n");
+ drm_encoder_cleanup(encoder);
+ drm_connector_cleanup(connector);
+ kfree(lvds_priv);
+failed_lvds_priv:
+ kfree(gma_connector);
+failed_connector:
+ kfree(gma_encoder);
+}
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
new file mode 100644
index 0000000..2eaf1b3
--- /dev/null
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -0,0 +1,795 @@
+/**************************************************************************
+ * Copyright (c) 2007-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/console.h>
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_fb_helper.h>
+
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_intel_drv.h"
+#include "framebuffer.h"
+#include "gtt.h"
+
+static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
+static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
+ struct drm_file *file_priv,
+ unsigned int *handle);
+
+static const struct drm_framebuffer_funcs psb_fb_funcs = {
+ .destroy = psb_user_framebuffer_destroy,
+ .create_handle = psb_user_framebuffer_create_handle,
+};
+
+#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
+
+static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct fb_info *info)
+{
+ struct psb_fbdev *fbdev = info->par;
+ struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
+ uint32_t v;
+
+ if (!fb)
+ return -ENOMEM;
+
+ if (regno > 255)
+ return 1;
+
+ red = CMAP_TOHW(red, info->var.red.length);
+ blue = CMAP_TOHW(blue, info->var.blue.length);
+ green = CMAP_TOHW(green, info->var.green.length);
+ transp = CMAP_TOHW(transp, info->var.transp.length);
+
+ v = (red << info->var.red.offset) |
+ (green << info->var.green.offset) |
+ (blue << info->var.blue.offset) |
+ (transp << info->var.transp.offset);
+
+ if (regno < 16) {
+ switch (fb->bits_per_pixel) {
+ case 16:
+ ((uint32_t *) info->pseudo_palette)[regno] = v;
+ break;
+ case 24:
+ case 32:
+ ((uint32_t *) info->pseudo_palette)[regno] = v;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct psb_fbdev *fbdev = info->par;
+ struct psb_framebuffer *psbfb = &fbdev->pfb;
+ struct drm_device *dev = psbfb->base.dev;
+
+ /*
+ * We have to poke our nose in here. The core fb code assumes
+ * panning is part of the hardware that can be invoked before
+ * the actual fb is mapped. In our case that isn't quite true.
+ */
+ if (psbfb->gtt->npage) {
+ /* GTT roll shifts in 4K pages, we need to shift the right
+ number of pages */
+ int pages = info->fix.line_length >> 12;
+ psb_gtt_roll(dev, psbfb->gtt, var->yoffset * pages);
+ }
+ return 0;
+}
+
+static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+ struct psb_framebuffer *psbfb = vma->vm_private_data;
+ struct drm_device *dev = psbfb->base.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int page_num;
+ int i;
+ unsigned long address;
+ int ret;
+ unsigned long pfn;
+ unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
+ psbfb->gtt->offset;
+
+ page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+ address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT);
+
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+
+ for (i = 0; i < page_num; i++) {
+ pfn = (phys_addr >> PAGE_SHIFT);
+
+ ret = vm_insert_mixed(vma, address, pfn);
+ if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
+ break;
+ else if (unlikely(ret != 0)) {
+ ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
+ return ret;
+ }
+ address += PAGE_SIZE;
+ phys_addr += PAGE_SIZE;
+ }
+ return VM_FAULT_NOPAGE;
+}
+
+static void psbfb_vm_open(struct vm_area_struct *vma)
+{
+}
+
+static void psbfb_vm_close(struct vm_area_struct *vma)
+{
+}
+
+static const struct vm_operations_struct psbfb_vm_ops = {
+ .fault = psbfb_vm_fault,
+ .open = psbfb_vm_open,
+ .close = psbfb_vm_close
+};
+
+static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+ struct psb_fbdev *fbdev = info->par;
+ struct psb_framebuffer *psbfb = &fbdev->pfb;
+
+ if (vma->vm_pgoff != 0)
+ return -EINVAL;
+ if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
+ return -EINVAL;
+
+ if (!psbfb->addr_space)
+ psbfb->addr_space = vma->vm_file->f_mapping;
+ /*
+ * If this is a GEM object then info->screen_base is the virtual
+ * kernel remapping of the object. FIXME: Review if this is
+ * suitable for our mmap work
+ */
+ vma->vm_ops = &psbfb_vm_ops;
+ vma->vm_private_data = (void *)psbfb;
+ vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP;
+ return 0;
+}
+
+static int psbfb_ioctl(struct fb_info *info, unsigned int cmd,
+ unsigned long arg)
+{
+ return -ENOTTY;
+}
+
+static struct fb_ops psbfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = drm_fb_helper_check_var,
+ .fb_set_par = drm_fb_helper_set_par,
+ .fb_blank = drm_fb_helper_blank,
+ .fb_setcolreg = psbfb_setcolreg,
+ .fb_fillrect = drm_fb_helper_cfb_fillrect,
+ .fb_copyarea = psbfb_copyarea,
+ .fb_imageblit = drm_fb_helper_cfb_imageblit,
+ .fb_mmap = psbfb_mmap,
+ .fb_sync = psbfb_sync,
+ .fb_ioctl = psbfb_ioctl,
+};
+
+static struct fb_ops psbfb_roll_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = drm_fb_helper_check_var,
+ .fb_set_par = drm_fb_helper_set_par,
+ .fb_blank = drm_fb_helper_blank,
+ .fb_setcolreg = psbfb_setcolreg,
+ .fb_fillrect = drm_fb_helper_cfb_fillrect,
+ .fb_copyarea = drm_fb_helper_cfb_copyarea,
+ .fb_imageblit = drm_fb_helper_cfb_imageblit,
+ .fb_pan_display = psbfb_pan,
+ .fb_mmap = psbfb_mmap,
+ .fb_ioctl = psbfb_ioctl,
+};
+
+static struct fb_ops psbfb_unaccel_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = drm_fb_helper_check_var,
+ .fb_set_par = drm_fb_helper_set_par,
+ .fb_blank = drm_fb_helper_blank,
+ .fb_setcolreg = psbfb_setcolreg,
+ .fb_fillrect = drm_fb_helper_cfb_fillrect,
+ .fb_copyarea = drm_fb_helper_cfb_copyarea,
+ .fb_imageblit = drm_fb_helper_cfb_imageblit,
+ .fb_mmap = psbfb_mmap,
+ .fb_ioctl = psbfb_ioctl,
+};
+
+/**
+ * psb_framebuffer_init - initialize a framebuffer
+ * @dev: our DRM device
+ * @fb: framebuffer to set up
+ * @mode_cmd: mode description
+ * @gt: backing object
+ *
+ * Configure and fill in the boilerplate for our frame buffer. Return
+ * 0 on success or an error code if we fail.
+ */
+static int psb_framebuffer_init(struct drm_device *dev,
+ struct psb_framebuffer *fb,
+ struct drm_mode_fb_cmd2 *mode_cmd,
+ struct gtt_range *gt)
+{
+ u32 bpp, depth;
+ int ret;
+
+ drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
+
+ if (mode_cmd->pitches[0] & 63)
+ return -EINVAL;
+ switch (bpp) {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ break;
+ default:
+ return -EINVAL;
+ }
+ drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
+ fb->gtt = gt;
+ ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
+ if (ret) {
+ dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+/**
+ * psb_framebuffer_create - create a framebuffer backed by gt
+ * @dev: our DRM device
+ * @mode_cmd: the description of the requested mode
+ * @gt: the backing object
+ *
+ * Create a framebuffer object backed by the gt, and fill in the
+ * boilerplate required
+ *
+ * TODO: review object references
+ */
+
+static struct drm_framebuffer *psb_framebuffer_create
+ (struct drm_device *dev,
+ struct drm_mode_fb_cmd2 *mode_cmd,
+ struct gtt_range *gt)
+{
+ struct psb_framebuffer *fb;
+ int ret;
+
+ fb = kzalloc(sizeof(*fb), GFP_KERNEL);
+ if (!fb)
+ return ERR_PTR(-ENOMEM);
+
+ ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
+ if (ret) {
+ kfree(fb);
+ return ERR_PTR(ret);
+ }
+ return &fb->base;
+}
+
+/**
+ * psbfb_alloc - allocate frame buffer memory
+ * @dev: the DRM device
+ * @aligned_size: space needed
+ * @force: fall back to GEM buffers if need be
+ *
+ * Allocate the frame buffer. In the usual case we get a GTT range that
+ * is stolen memory backed and life is simple. If there isn't sufficient
+ * we fail as we don't have the virtual mapping space to really vmap it
+ * and the kernel console code can't handle non linear framebuffers.
+ *
+ * Re-address this as and if the framebuffer layer grows this ability.
+ */
+static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
+{
+ struct gtt_range *backing;
+ /* Begin by trying to use stolen memory backing */
+ backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE);
+ if (backing) {
+ drm_gem_private_object_init(dev, &backing->gem, aligned_size);
+ return backing;
+ }
+ return NULL;
+}
+
+/**
+ * psbfb_create - create a framebuffer
+ * @fbdev: the framebuffer device
+ * @sizes: specification of the layout
+ *
+ * Create a framebuffer to the specifications provided
+ */
+static int psbfb_create(struct psb_fbdev *fbdev,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct drm_device *dev = fbdev->psb_fb_helper.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct fb_info *info;
+ struct drm_framebuffer *fb;
+ struct psb_framebuffer *psbfb = &fbdev->pfb;
+ struct drm_mode_fb_cmd2 mode_cmd;
+ int size;
+ int ret;
+ struct gtt_range *backing;
+ u32 bpp, depth;
+ int gtt_roll = 0;
+ int pitch_lines = 0;
+
+ mode_cmd.width = sizes->surface_width;
+ mode_cmd.height = sizes->surface_height;
+ bpp = sizes->surface_bpp;
+ depth = sizes->surface_depth;
+
+ /* No 24bit packed */
+ if (bpp == 24)
+ bpp = 32;
+
+ do {
+ /*
+ * Acceleration via the GTT requires pitch to be
+ * power of two aligned. Preferably page but less
+ * is ok with some fonts
+ */
+ mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines);
+
+ size = mode_cmd.pitches[0] * mode_cmd.height;
+ size = ALIGN(size, PAGE_SIZE);
+
+ /* Allocate the fb in the GTT with stolen page backing */
+ backing = psbfb_alloc(dev, size);
+
+ if (pitch_lines)
+ pitch_lines *= 2;
+ else
+ pitch_lines = 1;
+ gtt_roll++;
+ } while (backing == NULL && pitch_lines <= 16);
+
+ /* The final pitch we accepted if we succeeded */
+ pitch_lines /= 2;
+
+ if (backing == NULL) {
+ /*
+ * We couldn't get the space we wanted, fall back to the
+ * display engine requirement instead. The HW requires
+ * the pitch to be 64 byte aligned
+ */
+
+ gtt_roll = 0; /* Don't use GTT accelerated scrolling */
+ pitch_lines = 64;
+
+ mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
+
+ size = mode_cmd.pitches[0] * mode_cmd.height;
+ size = ALIGN(size, PAGE_SIZE);
+
+ /* Allocate the framebuffer in the GTT with stolen page backing */
+ backing = psbfb_alloc(dev, size);
+ if (backing == NULL)
+ return -ENOMEM;
+ }
+
+ memset(dev_priv->vram_addr + backing->offset, 0, size);
+
+ mutex_lock(&dev->struct_mutex);
+
+ info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
+ if (IS_ERR(info)) {
+ ret = PTR_ERR(info);
+ goto out_err1;
+ }
+ info->par = fbdev;
+
+ mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
+
+ ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
+ if (ret)
+ goto out_unref;
+
+ fb = &psbfb->base;
+ psbfb->fbdev = info;
+
+ fbdev->psb_fb_helper.fb = fb;
+
+ drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
+ strcpy(info->fix.id, "psbdrmfb");
+
+ info->flags = FBINFO_DEFAULT;
+ if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */
+ info->fbops = &psbfb_ops;
+ else if (gtt_roll) { /* GTT rolling seems best */
+ info->fbops = &psbfb_roll_ops;
+ info->flags |= FBINFO_HWACCEL_YPAN;
+ } else /* Software */
+ info->fbops = &psbfb_unaccel_ops;
+
+ info->fix.smem_start = dev->mode_config.fb_base;
+ info->fix.smem_len = size;
+ info->fix.ywrapstep = gtt_roll;
+ info->fix.ypanstep = 0;
+
+ /* Accessed stolen memory directly */
+ info->screen_base = dev_priv->vram_addr + backing->offset;
+ info->screen_size = size;
+
+ if (dev_priv->gtt.stolen_size) {
+ info->apertures->ranges[0].base = dev->mode_config.fb_base;
+ info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
+ }
+
+ drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
+ sizes->fb_width, sizes->fb_height);
+
+ info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
+ info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
+
+ /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
+
+ dev_dbg(dev->dev, "allocated %dx%d fb\n",
+ psbfb->base.width, psbfb->base.height);
+
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+out_unref:
+ if (backing->stolen)
+ psb_gtt_free_range(dev, backing);
+ else
+ drm_gem_object_unreference(&backing->gem);
+
+ drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
+out_err1:
+ mutex_unlock(&dev->struct_mutex);
+ psb_gtt_free_range(dev, backing);
+ return ret;
+}
+
+/**
+ * psb_user_framebuffer_create - create framebuffer
+ * @dev: our DRM device
+ * @filp: client file
+ * @cmd: mode request
+ *
+ * Create a new framebuffer backed by a userspace GEM object
+ */
+static struct drm_framebuffer *psb_user_framebuffer_create
+ (struct drm_device *dev, struct drm_file *filp,
+ struct drm_mode_fb_cmd2 *cmd)
+{
+ struct gtt_range *r;
+ struct drm_gem_object *obj;
+
+ /*
+ * Find the GEM object and thus the gtt range object that is
+ * to back this space
+ */
+ obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]);
+ if (obj == NULL)
+ return ERR_PTR(-ENOENT);
+
+ /* Let the core code do all the work */
+ r = container_of(obj, struct gtt_range, gem);
+ return psb_framebuffer_create(dev, cmd, r);
+}
+
+static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
+ u16 blue, int regno)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+
+ gma_crtc->lut_r[regno] = red >> 8;
+ gma_crtc->lut_g[regno] = green >> 8;
+ gma_crtc->lut_b[regno] = blue >> 8;
+}
+
+static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
+ u16 *green, u16 *blue, int regno)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+
+ *red = gma_crtc->lut_r[regno] << 8;
+ *green = gma_crtc->lut_g[regno] << 8;
+ *blue = gma_crtc->lut_b[regno] << 8;
+}
+
+static int psbfb_probe(struct drm_fb_helper *helper,
+ struct drm_fb_helper_surface_size *sizes)
+{
+ struct psb_fbdev *psb_fbdev =
+ container_of(helper, struct psb_fbdev, psb_fb_helper);
+ struct drm_device *dev = psb_fbdev->psb_fb_helper.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int bytespp;
+
+ bytespp = sizes->surface_bpp / 8;
+ if (bytespp == 3) /* no 24bit packed */
+ bytespp = 4;
+
+ /* If the mode will not fit in 32bit then switch to 16bit to get
+ a console on full resolution. The X mode setting server will
+ allocate its own 32bit GEM framebuffer */
+ if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height >
+ dev_priv->vram_stolen_size) {
+ sizes->surface_bpp = 16;
+ sizes->surface_depth = 16;
+ }
+
+ return psbfb_create(psb_fbdev, sizes);
+}
+
+static const struct drm_fb_helper_funcs psb_fb_helper_funcs = {
+ .gamma_set = psbfb_gamma_set,
+ .gamma_get = psbfb_gamma_get,
+ .fb_probe = psbfb_probe,
+};
+
+static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
+{
+ struct psb_framebuffer *psbfb = &fbdev->pfb;
+
+ drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper);
+ drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
+
+ drm_fb_helper_fini(&fbdev->psb_fb_helper);
+ drm_framebuffer_unregister_private(&psbfb->base);
+ drm_framebuffer_cleanup(&psbfb->base);
+
+ if (psbfb->gtt)
+ drm_gem_object_unreference(&psbfb->gtt->gem);
+ return 0;
+}
+
+int psb_fbdev_init(struct drm_device *dev)
+{
+ struct psb_fbdev *fbdev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+
+ fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
+ if (!fbdev) {
+ dev_err(dev->dev, "no memory\n");
+ return -ENOMEM;
+ }
+
+ dev_priv->fbdev = fbdev;
+
+ drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs);
+
+ ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper,
+ dev_priv->ops->crtcs, INTELFB_CONN_LIMIT);
+ if (ret)
+ goto free;
+
+ ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
+ if (ret)
+ goto fini;
+
+ /* disable all the possible outputs/crtcs before entering KMS mode */
+ drm_helper_disable_unused_functions(dev);
+
+ ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
+ if (ret)
+ goto fini;
+
+ return 0;
+
+fini:
+ drm_fb_helper_fini(&fbdev->psb_fb_helper);
+free:
+ kfree(fbdev);
+ return ret;
+}
+
+static void psb_fbdev_fini(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (!dev_priv->fbdev)
+ return;
+
+ psb_fbdev_destroy(dev, dev_priv->fbdev);
+ kfree(dev_priv->fbdev);
+ dev_priv->fbdev = NULL;
+}
+
+static void psbfb_output_poll_changed(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
+ drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
+}
+
+/**
+ * psb_user_framebuffer_create_handle - add hamdle to a framebuffer
+ * @fb: framebuffer
+ * @file_priv: our DRM file
+ * @handle: returned handle
+ *
+ * Our framebuffer object is a GTT range which also contains a GEM
+ * object. We need to turn it into a handle for userspace. GEM will do
+ * the work for us
+ */
+static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
+ struct drm_file *file_priv,
+ unsigned int *handle)
+{
+ struct psb_framebuffer *psbfb = to_psb_fb(fb);
+ struct gtt_range *r = psbfb->gtt;
+ return drm_gem_handle_create(file_priv, &r->gem, handle);
+}
+
+/**
+ * psb_user_framebuffer_destroy - destruct user created fb
+ * @fb: framebuffer
+ *
+ * User framebuffers are backed by GEM objects so all we have to do is
+ * clean up a bit and drop the reference, GEM will handle the fallout
+ */
+static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
+{
+ struct psb_framebuffer *psbfb = to_psb_fb(fb);
+ struct gtt_range *r = psbfb->gtt;
+
+ /* Let DRM do its clean up */
+ drm_framebuffer_cleanup(fb);
+ /* We are no longer using the resource in GEM */
+ drm_gem_object_unreference_unlocked(&r->gem);
+ kfree(fb);
+}
+
+static const struct drm_mode_config_funcs psb_mode_funcs = {
+ .fb_create = psb_user_framebuffer_create,
+ .output_poll_changed = psbfb_output_poll_changed,
+};
+
+static int psb_create_backlight_property(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_property *backlight;
+
+ if (dev_priv->backlight_property)
+ return 0;
+
+ backlight = drm_property_create_range(dev, 0, "backlight", 0, 100);
+
+ dev_priv->backlight_property = backlight;
+
+ return 0;
+}
+
+static void psb_setup_outputs(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_connector *connector;
+
+ drm_mode_create_scaling_mode_property(dev);
+ psb_create_backlight_property(dev);
+
+ dev_priv->ops->output_init(dev);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list,
+ head) {
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct drm_encoder *encoder = &gma_encoder->base;
+ int crtc_mask = 0, clone_mask = 0;
+
+ /* valid crtcs */
+ switch (gma_encoder->type) {
+ case INTEL_OUTPUT_ANALOG:
+ crtc_mask = (1 << 0);
+ clone_mask = (1 << INTEL_OUTPUT_ANALOG);
+ break;
+ case INTEL_OUTPUT_SDVO:
+ crtc_mask = dev_priv->ops->sdvo_mask;
+ clone_mask = (1 << INTEL_OUTPUT_SDVO);
+ break;
+ case INTEL_OUTPUT_LVDS:
+ crtc_mask = dev_priv->ops->lvds_mask;
+ clone_mask = (1 << INTEL_OUTPUT_LVDS);
+ break;
+ case INTEL_OUTPUT_MIPI:
+ crtc_mask = (1 << 0);
+ clone_mask = (1 << INTEL_OUTPUT_MIPI);
+ break;
+ case INTEL_OUTPUT_MIPI2:
+ crtc_mask = (1 << 2);
+ clone_mask = (1 << INTEL_OUTPUT_MIPI2);
+ break;
+ case INTEL_OUTPUT_HDMI:
+ crtc_mask = dev_priv->ops->hdmi_mask;
+ clone_mask = (1 << INTEL_OUTPUT_HDMI);
+ break;
+ case INTEL_OUTPUT_DISPLAYPORT:
+ crtc_mask = (1 << 0) | (1 << 1);
+ clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT);
+ break;
+ case INTEL_OUTPUT_EDP:
+ crtc_mask = (1 << 1);
+ clone_mask = (1 << INTEL_OUTPUT_EDP);
+ }
+ encoder->possible_crtcs = crtc_mask;
+ encoder->possible_clones =
+ gma_connector_clones(dev, clone_mask);
+ }
+}
+
+void psb_modeset_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ int i;
+
+ drm_mode_config_init(dev);
+
+ dev->mode_config.min_width = 0;
+ dev->mode_config.min_height = 0;
+
+ dev->mode_config.funcs = &psb_mode_funcs;
+
+ /* set memory base */
+ /* Oaktrail and Poulsbo should use BAR 2*/
+ pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
+ &(dev->mode_config.fb_base));
+
+ /* num pipes is 2 for PSB but 1 for Mrst */
+ for (i = 0; i < dev_priv->num_pipe; i++)
+ psb_intel_crtc_init(dev, i, mode_dev);
+
+ dev->mode_config.max_width = 4096;
+ dev->mode_config.max_height = 4096;
+
+ psb_setup_outputs(dev);
+
+ if (dev_priv->ops->errata)
+ dev_priv->ops->errata(dev);
+
+ dev_priv->modeset = true;
+}
+
+void psb_modeset_cleanup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ if (dev_priv->modeset) {
+ mutex_lock(&dev->struct_mutex);
+
+ drm_kms_helper_poll_fini(dev);
+ psb_fbdev_fini(dev);
+ drm_mode_config_cleanup(dev);
+
+ mutex_unlock(&dev->struct_mutex);
+ }
+}
diff --git a/drivers/gpu/drm/gma500/framebuffer.h b/drivers/gpu/drm/gma500/framebuffer.h
new file mode 100644
index 0000000..395f20b
--- /dev/null
+++ b/drivers/gpu/drm/gma500/framebuffer.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2008-2011, Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifndef _FRAMEBUFFER_H_
+#define _FRAMEBUFFER_H_
+
+#include <drm/drmP.h>
+#include <drm/drm_fb_helper.h>
+
+#include "psb_drv.h"
+
+struct psb_framebuffer {
+ struct drm_framebuffer base;
+ struct address_space *addr_space;
+ struct fb_info *fbdev;
+ struct gtt_range *gtt;
+};
+
+struct psb_fbdev {
+ struct drm_fb_helper psb_fb_helper;
+ struct psb_framebuffer pfb;
+};
+
+#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base)
+
+extern int gma_connector_clones(struct drm_device *dev, int type_mask);
+
+#endif
+
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c
new file mode 100644
index 0000000..e3bdc8b
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gem.c
@@ -0,0 +1,229 @@
+/*
+ * psb GEM interface
+ *
+ * Copyright (c) 2011, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors: Alan Cox
+ *
+ * TODO:
+ * - we need to work out if the MMU is relevant (eg for
+ * accelerated operations on a GEM object)
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/gma_drm.h>
+#include <drm/drm_vma_manager.h>
+#include "psb_drv.h"
+
+void psb_gem_free_object(struct drm_gem_object *obj)
+{
+ struct gtt_range *gtt = container_of(obj, struct gtt_range, gem);
+
+ /* Remove the list map if one is present */
+ drm_gem_free_mmap_offset(obj);
+ drm_gem_object_release(obj);
+
+ /* This must occur last as it frees up the memory of the GEM object */
+ psb_gtt_free_range(obj->dev, gtt);
+}
+
+int psb_gem_get_aperture(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ return -EINVAL;
+}
+
+/**
+ * psb_gem_dumb_map_gtt - buffer mapping for dumb interface
+ * @file: our drm client file
+ * @dev: drm device
+ * @handle: GEM handle to the object (from dumb_create)
+ *
+ * Do the necessary setup to allow the mapping of the frame buffer
+ * into user memory. We don't have to do much here at the moment.
+ */
+int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
+ uint32_t handle, uint64_t *offset)
+{
+ int ret = 0;
+ struct drm_gem_object *obj;
+
+ mutex_lock(&dev->struct_mutex);
+
+ /* GEM does all our handle to object mapping */
+ obj = drm_gem_object_lookup(dev, file, handle);
+ if (obj == NULL) {
+ ret = -ENOENT;
+ goto unlock;
+ }
+ /* What validation is needed here ? */
+
+ /* Make it mmapable */
+ ret = drm_gem_create_mmap_offset(obj);
+ if (ret)
+ goto out;
+ *offset = drm_vma_node_offset_addr(&obj->vma_node);
+out:
+ drm_gem_object_unreference(obj);
+unlock:
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+}
+
+/**
+ * psb_gem_create - create a mappable object
+ * @file: the DRM file of the client
+ * @dev: our device
+ * @size: the size requested
+ * @handlep: returned handle (opaque number)
+ *
+ * Create a GEM object, fill in the boilerplate and attach a handle to
+ * it so that userspace can speak about it. This does the core work
+ * for the various methods that do/will create GEM objects for things
+ */
+int psb_gem_create(struct drm_file *file, struct drm_device *dev, u64 size,
+ u32 *handlep, int stolen, u32 align)
+{
+ struct gtt_range *r;
+ int ret;
+ u32 handle;
+
+ size = roundup(size, PAGE_SIZE);
+
+ /* Allocate our object - for now a direct gtt range which is not
+ stolen memory backed */
+ r = psb_gtt_alloc_range(dev, size, "gem", 0, PAGE_SIZE);
+ if (r == NULL) {
+ dev_err(dev->dev, "no memory for %lld byte GEM object\n", size);
+ return -ENOSPC;
+ }
+ /* Initialize the extra goodies GEM needs to do all the hard work */
+ if (drm_gem_object_init(dev, &r->gem, size) != 0) {
+ psb_gtt_free_range(dev, r);
+ /* GEM doesn't give an error code so use -ENOMEM */
+ dev_err(dev->dev, "GEM init failed for %lld\n", size);
+ return -ENOMEM;
+ }
+ /* Limit the object to 32bit mappings */
+ mapping_set_gfp_mask(r->gem.filp->f_mapping, GFP_KERNEL | __GFP_DMA32);
+ /* Give the object a handle so we can carry it more easily */
+ ret = drm_gem_handle_create(file, &r->gem, &handle);
+ if (ret) {
+ dev_err(dev->dev, "GEM handle failed for %p, %lld\n",
+ &r->gem, size);
+ drm_gem_object_release(&r->gem);
+ psb_gtt_free_range(dev, r);
+ return ret;
+ }
+ /* We have the initial and handle reference but need only one now */
+ drm_gem_object_unreference_unlocked(&r->gem);
+ *handlep = handle;
+ return 0;
+}
+
+/**
+ * psb_gem_dumb_create - create a dumb buffer
+ * @drm_file: our client file
+ * @dev: our device
+ * @args: the requested arguments copied from userspace
+ *
+ * Allocate a buffer suitable for use for a frame buffer of the
+ * form described by user space. Give userspace a handle by which
+ * to reference it.
+ */
+int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
+ struct drm_mode_create_dumb *args)
+{
+ args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64);
+ args->size = args->pitch * args->height;
+ return psb_gem_create(file, dev, args->size, &args->handle, 0,
+ PAGE_SIZE);
+}
+
+/**
+ * psb_gem_fault - pagefault handler for GEM objects
+ * @vma: the VMA of the GEM object
+ * @vmf: fault detail
+ *
+ * Invoked when a fault occurs on an mmap of a GEM managed area. GEM
+ * does most of the work for us including the actual map/unmap calls
+ * but we need to do the actual page work.
+ *
+ * This code eventually needs to handle faulting objects in and out
+ * of the GTT and repacking it when we run out of space. We can put
+ * that off for now and for our simple uses
+ *
+ * The VMA was set up by GEM. In doing so it also ensured that the
+ * vma->vm_private_data points to the GEM object that is backing this
+ * mapping.
+ */
+int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+ struct drm_gem_object *obj;
+ struct gtt_range *r;
+ int ret;
+ unsigned long pfn;
+ pgoff_t page_offset;
+ struct drm_device *dev;
+ struct drm_psb_private *dev_priv;
+
+ obj = vma->vm_private_data; /* GEM object */
+ dev = obj->dev;
+ dev_priv = dev->dev_private;
+
+ r = container_of(obj, struct gtt_range, gem); /* Get the gtt range */
+
+ /* Make sure we don't parallel update on a fault, nor move or remove
+ something from beneath our feet */
+ mutex_lock(&dev->struct_mutex);
+
+ /* For now the mmap pins the object and it stays pinned. As things
+ stand that will do us no harm */
+ if (r->mmapping == 0) {
+ ret = psb_gtt_pin(r);
+ if (ret < 0) {
+ dev_err(dev->dev, "gma500: pin failed: %d\n", ret);
+ goto fail;
+ }
+ r->mmapping = 1;
+ }
+
+ /* Page relative to the VMA start - we must calculate this ourselves
+ because vmf->pgoff is the fake GEM offset */
+ page_offset = ((unsigned long) vmf->virtual_address - vma->vm_start)
+ >> PAGE_SHIFT;
+
+ /* CPU view of the page, don't go via the GART for CPU writes */
+ if (r->stolen)
+ pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT;
+ else
+ pfn = page_to_pfn(r->pages[page_offset]);
+ ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
+
+fail:
+ mutex_unlock(&dev->struct_mutex);
+ switch (ret) {
+ case 0:
+ case -ERESTARTSYS:
+ case -EINTR:
+ return VM_FAULT_NOPAGE;
+ case -ENOMEM:
+ return VM_FAULT_OOM;
+ default:
+ return VM_FAULT_SIGBUS;
+ }
+}
diff --git a/drivers/gpu/drm/gma500/gem.h b/drivers/gpu/drm/gma500/gem.h
new file mode 100644
index 0000000..1381c51
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gem.h
@@ -0,0 +1,21 @@
+/**************************************************************************
+ * Copyright (c) 2014 Patrik Jakobsson
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ **************************************************************************/
+
+#ifndef _GEM_H
+#define _GEM_H
+
+extern int psb_gem_create(struct drm_file *file, struct drm_device *dev,
+ u64 size, u32 *handlep, int stolen, u32 align);
+#endif
diff --git a/drivers/gpu/drm/gma500/gma_device.c b/drivers/gpu/drm/gma500/gma_device.c
new file mode 100644
index 0000000..4a295f9
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gma_device.c
@@ -0,0 +1,56 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include "psb_drv.h"
+
+void gma_get_core_freq(struct drm_device *dev)
+{
+ uint32_t clock;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
+ /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/
+
+ pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
+ pci_read_config_dword(pci_root, 0xD4, &clock);
+ pci_dev_put(pci_root);
+
+ switch (clock & 0x07) {
+ case 0:
+ dev_priv->core_freq = 100;
+ break;
+ case 1:
+ dev_priv->core_freq = 133;
+ break;
+ case 2:
+ dev_priv->core_freq = 150;
+ break;
+ case 3:
+ dev_priv->core_freq = 178;
+ break;
+ case 4:
+ dev_priv->core_freq = 200;
+ break;
+ case 5:
+ case 6:
+ case 7:
+ dev_priv->core_freq = 266;
+ break;
+ default:
+ dev_priv->core_freq = 0;
+ }
+}
diff --git a/drivers/gpu/drm/gma500/gma_device.h b/drivers/gpu/drm/gma500/gma_device.h
new file mode 100644
index 0000000..e1dbb00
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gma_device.h
@@ -0,0 +1,21 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ **************************************************************************/
+
+#ifndef _GMA_DEVICE_H
+#define _GMA_DEVICE_H
+
+extern void gma_get_core_freq(struct drm_device *dev);
+
+#endif
diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c
new file mode 100644
index 0000000..001b450
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gma_display.c
@@ -0,0 +1,791 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
+ */
+
+#include <drm/drmP.h>
+#include "gma_display.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_drv.h"
+#include "framebuffer.h"
+
+/**
+ * Returns whether any output on the specified pipe is of the specified type
+ */
+bool gma_pipe_has_type(struct drm_crtc *crtc, int type)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *l_entry;
+
+ list_for_each_entry(l_entry, &mode_config->connector_list, head) {
+ if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
+ struct gma_encoder *gma_encoder =
+ gma_attached_encoder(l_entry);
+ if (gma_encoder->type == type)
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void gma_wait_for_vblank(struct drm_device *dev)
+{
+ /* Wait for 20ms, i.e. one cycle at 50hz. */
+ mdelay(20);
+}
+
+int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct psb_framebuffer *psbfb = to_psb_fb(crtc->primary->fb);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ unsigned long start, offset;
+ u32 dspcntr;
+ int ret = 0;
+
+ if (!gma_power_begin(dev, true))
+ return 0;
+
+ /* no fb bound */
+ if (!crtc->primary->fb) {
+ dev_err(dev->dev, "No FB bound\n");
+ goto gma_pipe_cleaner;
+ }
+
+ /* We are displaying this buffer, make sure it is actually loaded
+ into the GTT */
+ ret = psb_gtt_pin(psbfb->gtt);
+ if (ret < 0)
+ goto gma_pipe_set_base_exit;
+ start = psbfb->gtt->offset;
+ offset = y * crtc->primary->fb->pitches[0] + x * (crtc->primary->fb->bits_per_pixel / 8);
+
+ REG_WRITE(map->stride, crtc->primary->fb->pitches[0]);
+
+ dspcntr = REG_READ(map->cntr);
+ dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
+
+ switch (crtc->primary->fb->bits_per_pixel) {
+ case 8:
+ dspcntr |= DISPPLANE_8BPP;
+ break;
+ case 16:
+ if (crtc->primary->fb->depth == 15)
+ dspcntr |= DISPPLANE_15_16BPP;
+ else
+ dspcntr |= DISPPLANE_16BPP;
+ break;
+ case 24:
+ case 32:
+ dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
+ break;
+ default:
+ dev_err(dev->dev, "Unknown color depth\n");
+ ret = -EINVAL;
+ goto gma_pipe_set_base_exit;
+ }
+ REG_WRITE(map->cntr, dspcntr);
+
+ dev_dbg(dev->dev,
+ "Writing base %08lX %08lX %d %d\n", start, offset, x, y);
+
+ /* FIXME: Investigate whether this really is the base for psb and why
+ the linear offset is named base for the other chips. map->surf
+ should be the base and map->linoff the offset for all chips */
+ if (IS_PSB(dev)) {
+ REG_WRITE(map->base, offset + start);
+ REG_READ(map->base);
+ } else {
+ REG_WRITE(map->base, offset);
+ REG_READ(map->base);
+ REG_WRITE(map->surf, start);
+ REG_READ(map->surf);
+ }
+
+gma_pipe_cleaner:
+ /* If there was a previous display we can now unpin it */
+ if (old_fb)
+ psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
+
+gma_pipe_set_base_exit:
+ gma_power_end(dev);
+ return ret;
+}
+
+/* Loads the palette/gamma unit for the CRTC with the prepared values */
+void gma_crtc_load_lut(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ const struct psb_offset *map = &dev_priv->regmap[gma_crtc->pipe];
+ int palreg = map->palette;
+ int i;
+
+ /* The clocks have to be on to load the palette. */
+ if (!crtc->enabled)
+ return;
+
+ if (gma_power_begin(dev, false)) {
+ for (i = 0; i < 256; i++) {
+ REG_WRITE(palreg + 4 * i,
+ ((gma_crtc->lut_r[i] +
+ gma_crtc->lut_adj[i]) << 16) |
+ ((gma_crtc->lut_g[i] +
+ gma_crtc->lut_adj[i]) << 8) |
+ (gma_crtc->lut_b[i] +
+ gma_crtc->lut_adj[i]));
+ }
+ gma_power_end(dev);
+ } else {
+ for (i = 0; i < 256; i++) {
+ /* FIXME: Why pipe[0] and not pipe[..._crtc->pipe]? */
+ dev_priv->regs.pipe[0].palette[i] =
+ ((gma_crtc->lut_r[i] +
+ gma_crtc->lut_adj[i]) << 16) |
+ ((gma_crtc->lut_g[i] +
+ gma_crtc->lut_adj[i]) << 8) |
+ (gma_crtc->lut_b[i] +
+ gma_crtc->lut_adj[i]);
+ }
+
+ }
+}
+
+void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue,
+ u32 start, u32 size)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int i;
+ int end = (start + size > 256) ? 256 : start + size;
+
+ for (i = start; i < end; i++) {
+ gma_crtc->lut_r[i] = red[i] >> 8;
+ gma_crtc->lut_g[i] = green[i] >> 8;
+ gma_crtc->lut_b[i] = blue[i] >> 8;
+ }
+
+ gma_crtc_load_lut(crtc);
+}
+
+/**
+ * Sets the power management mode of the pipe and plane.
+ *
+ * This code should probably grow support for turning the cursor off and back
+ * on appropriately at the same time as we're turning the pipe off/on.
+ */
+void gma_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 temp;
+
+ /* XXX: When our outputs are all unaware of DPMS modes other than off
+ * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
+ */
+
+ if (IS_CDV(dev))
+ dev_priv->ops->disable_sr(dev);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ if (gma_crtc->active)
+ break;
+
+ gma_crtc->active = true;
+
+ /* Enable the DPLL */
+ temp = REG_READ(map->dpll);
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ REG_WRITE(map->dpll, temp);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ REG_WRITE(map->dpll, temp | DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ REG_WRITE(map->dpll, temp | DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ }
+
+ /* Enable the plane */
+ temp = REG_READ(map->cntr);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ REG_WRITE(map->cntr,
+ temp | DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ REG_WRITE(map->base, REG_READ(map->base));
+ }
+
+ udelay(150);
+
+ /* Enable the pipe */
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_ENABLE) == 0)
+ REG_WRITE(map->conf, temp | PIPEACONF_ENABLE);
+
+ temp = REG_READ(map->status);
+ temp &= ~(0xFFFF);
+ temp |= PIPE_FIFO_UNDERRUN;
+ REG_WRITE(map->status, temp);
+ REG_READ(map->status);
+
+ gma_crtc_load_lut(crtc);
+
+ /* Give the overlay scaler a chance to enable
+ * if it's on this pipe */
+ /* psb_intel_crtc_dpms_video(crtc, true); TODO */
+ break;
+ case DRM_MODE_DPMS_OFF:
+ if (!gma_crtc->active)
+ break;
+
+ gma_crtc->active = false;
+
+ /* Give the overlay scaler a chance to disable
+ * if it's on this pipe */
+ /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
+
+ /* Disable the VGA plane that we never use */
+ REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
+
+ /* Turn off vblank interrupts */
+ drm_vblank_off(dev, pipe);
+
+ /* Wait for vblank for the disable to take effect */
+ gma_wait_for_vblank(dev);
+
+ /* Disable plane */
+ temp = REG_READ(map->cntr);
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+ REG_WRITE(map->cntr,
+ temp & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ REG_WRITE(map->base, REG_READ(map->base));
+ REG_READ(map->base);
+ }
+
+ /* Disable pipe */
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ REG_WRITE(map->conf, temp & ~PIPEACONF_ENABLE);
+ REG_READ(map->conf);
+ }
+
+ /* Wait for vblank for the disable to take effect. */
+ gma_wait_for_vblank(dev);
+
+ udelay(150);
+
+ /* Disable DPLL */
+ temp = REG_READ(map->dpll);
+ if ((temp & DPLL_VCO_ENABLE) != 0) {
+ REG_WRITE(map->dpll, temp & ~DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+ }
+
+ /* Wait for the clocks to turn off. */
+ udelay(150);
+ break;
+ }
+
+ if (IS_CDV(dev))
+ dev_priv->ops->update_wm(dev, crtc);
+
+ /* Set FIFO watermarks */
+ REG_WRITE(DSPARB, 0x3F3E);
+}
+
+int gma_crtc_cursor_set(struct drm_crtc *crtc,
+ struct drm_file *file_priv,
+ uint32_t handle,
+ uint32_t width, uint32_t height)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
+ uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
+ uint32_t temp;
+ size_t addr = 0;
+ struct gtt_range *gt;
+ struct gtt_range *cursor_gt = gma_crtc->cursor_gt;
+ struct drm_gem_object *obj;
+ void *tmp_dst, *tmp_src;
+ int ret = 0, i, cursor_pages;
+
+ /* If we didn't get a handle then turn the cursor off */
+ if (!handle) {
+ temp = CURSOR_MODE_DISABLE;
+ mutex_lock(&dev->struct_mutex);
+
+ if (gma_power_begin(dev, false)) {
+ REG_WRITE(control, temp);
+ REG_WRITE(base, 0);
+ gma_power_end(dev);
+ }
+
+ /* Unpin the old GEM object */
+ if (gma_crtc->cursor_obj) {
+ gt = container_of(gma_crtc->cursor_obj,
+ struct gtt_range, gem);
+ psb_gtt_unpin(gt);
+ drm_gem_object_unreference(gma_crtc->cursor_obj);
+ gma_crtc->cursor_obj = NULL;
+ }
+
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+ }
+
+ /* Currently we only support 64x64 cursors */
+ if (width != 64 || height != 64) {
+ dev_dbg(dev->dev, "We currently only support 64x64 cursors\n");
+ return -EINVAL;
+ }
+
+ mutex_lock(&dev->struct_mutex);
+ obj = drm_gem_object_lookup(dev, file_priv, handle);
+ if (!obj) {
+ ret = -ENOENT;
+ goto unlock;
+ }
+
+ if (obj->size < width * height * 4) {
+ dev_dbg(dev->dev, "Buffer is too small\n");
+ ret = -ENOMEM;
+ goto unref_cursor;
+ }
+
+ gt = container_of(obj, struct gtt_range, gem);
+
+ /* Pin the memory into the GTT */
+ ret = psb_gtt_pin(gt);
+ if (ret) {
+ dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
+ goto unref_cursor;
+ }
+
+ if (dev_priv->ops->cursor_needs_phys) {
+ if (cursor_gt == NULL) {
+ dev_err(dev->dev, "No hardware cursor mem available");
+ ret = -ENOMEM;
+ goto unref_cursor;
+ }
+
+ /* Prevent overflow */
+ if (gt->npage > 4)
+ cursor_pages = 4;
+ else
+ cursor_pages = gt->npage;
+
+ /* Copy the cursor to cursor mem */
+ tmp_dst = dev_priv->vram_addr + cursor_gt->offset;
+ for (i = 0; i < cursor_pages; i++) {
+ tmp_src = kmap(gt->pages[i]);
+ memcpy(tmp_dst, tmp_src, PAGE_SIZE);
+ kunmap(gt->pages[i]);
+ tmp_dst += PAGE_SIZE;
+ }
+
+ addr = gma_crtc->cursor_addr;
+ } else {
+ addr = gt->offset;
+ gma_crtc->cursor_addr = addr;
+ }
+
+ temp = 0;
+ /* set the pipe for the cursor */
+ temp |= (pipe << 28);
+ temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
+
+ if (gma_power_begin(dev, false)) {
+ REG_WRITE(control, temp);
+ REG_WRITE(base, addr);
+ gma_power_end(dev);
+ }
+
+ /* unpin the old bo */
+ if (gma_crtc->cursor_obj) {
+ gt = container_of(gma_crtc->cursor_obj, struct gtt_range, gem);
+ psb_gtt_unpin(gt);
+ drm_gem_object_unreference(gma_crtc->cursor_obj);
+ }
+
+ gma_crtc->cursor_obj = obj;
+unlock:
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+
+unref_cursor:
+ drm_gem_object_unreference(obj);
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+}
+
+int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
+{
+ struct drm_device *dev = crtc->dev;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ uint32_t temp = 0;
+ uint32_t addr;
+
+ if (x < 0) {
+ temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
+ x = -x;
+ }
+ if (y < 0) {
+ temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
+ y = -y;
+ }
+
+ temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
+ temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
+
+ addr = gma_crtc->cursor_addr;
+
+ if (gma_power_begin(dev, false)) {
+ REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
+ REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr);
+ gma_power_end(dev);
+ }
+ return 0;
+}
+
+bool gma_encoder_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+bool gma_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ return true;
+}
+
+void gma_crtc_prepare(struct drm_crtc *crtc)
+{
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
+void gma_crtc_commit(struct drm_crtc *crtc)
+{
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
+}
+
+void gma_crtc_disable(struct drm_crtc *crtc)
+{
+ struct gtt_range *gt;
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+ crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
+
+ if (crtc->primary->fb) {
+ gt = to_psb_fb(crtc->primary->fb)->gtt;
+ psb_gtt_unpin(gt);
+ }
+}
+
+void gma_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+
+ kfree(gma_crtc->crtc_state);
+ drm_crtc_cleanup(crtc);
+ kfree(gma_crtc);
+}
+
+int gma_crtc_set_config(struct drm_mode_set *set)
+{
+ struct drm_device *dev = set->crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (!dev_priv->rpm_enabled)
+ return drm_crtc_helper_set_config(set);
+
+ pm_runtime_forbid(&dev->pdev->dev);
+ ret = drm_crtc_helper_set_config(set);
+ pm_runtime_allow(&dev->pdev->dev);
+
+ return ret;
+}
+
+/**
+ * Save HW states of given crtc
+ */
+void gma_crtc_save(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct psb_intel_crtc_state *crtc_state = gma_crtc->crtc_state;
+ const struct psb_offset *map = &dev_priv->regmap[gma_crtc->pipe];
+ uint32_t palette_reg;
+ int i;
+
+ if (!crtc_state) {
+ dev_err(dev->dev, "No CRTC state found\n");
+ return;
+ }
+
+ crtc_state->saveDSPCNTR = REG_READ(map->cntr);
+ crtc_state->savePIPECONF = REG_READ(map->conf);
+ crtc_state->savePIPESRC = REG_READ(map->src);
+ crtc_state->saveFP0 = REG_READ(map->fp0);
+ crtc_state->saveFP1 = REG_READ(map->fp1);
+ crtc_state->saveDPLL = REG_READ(map->dpll);
+ crtc_state->saveHTOTAL = REG_READ(map->htotal);
+ crtc_state->saveHBLANK = REG_READ(map->hblank);
+ crtc_state->saveHSYNC = REG_READ(map->hsync);
+ crtc_state->saveVTOTAL = REG_READ(map->vtotal);
+ crtc_state->saveVBLANK = REG_READ(map->vblank);
+ crtc_state->saveVSYNC = REG_READ(map->vsync);
+ crtc_state->saveDSPSTRIDE = REG_READ(map->stride);
+
+ /* NOTE: DSPSIZE DSPPOS only for psb */
+ crtc_state->saveDSPSIZE = REG_READ(map->size);
+ crtc_state->saveDSPPOS = REG_READ(map->pos);
+
+ crtc_state->saveDSPBASE = REG_READ(map->base);
+
+ palette_reg = map->palette;
+ for (i = 0; i < 256; ++i)
+ crtc_state->savePalette[i] = REG_READ(palette_reg + (i << 2));
+}
+
+/**
+ * Restore HW states of given crtc
+ */
+void gma_crtc_restore(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct psb_intel_crtc_state *crtc_state = gma_crtc->crtc_state;
+ const struct psb_offset *map = &dev_priv->regmap[gma_crtc->pipe];
+ uint32_t palette_reg;
+ int i;
+
+ if (!crtc_state) {
+ dev_err(dev->dev, "No crtc state\n");
+ return;
+ }
+
+ if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
+ REG_WRITE(map->dpll,
+ crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+ udelay(150);
+ }
+
+ REG_WRITE(map->fp0, crtc_state->saveFP0);
+ REG_READ(map->fp0);
+
+ REG_WRITE(map->fp1, crtc_state->saveFP1);
+ REG_READ(map->fp1);
+
+ REG_WRITE(map->dpll, crtc_state->saveDPLL);
+ REG_READ(map->dpll);
+ udelay(150);
+
+ REG_WRITE(map->htotal, crtc_state->saveHTOTAL);
+ REG_WRITE(map->hblank, crtc_state->saveHBLANK);
+ REG_WRITE(map->hsync, crtc_state->saveHSYNC);
+ REG_WRITE(map->vtotal, crtc_state->saveVTOTAL);
+ REG_WRITE(map->vblank, crtc_state->saveVBLANK);
+ REG_WRITE(map->vsync, crtc_state->saveVSYNC);
+ REG_WRITE(map->stride, crtc_state->saveDSPSTRIDE);
+
+ REG_WRITE(map->size, crtc_state->saveDSPSIZE);
+ REG_WRITE(map->pos, crtc_state->saveDSPPOS);
+
+ REG_WRITE(map->src, crtc_state->savePIPESRC);
+ REG_WRITE(map->base, crtc_state->saveDSPBASE);
+ REG_WRITE(map->conf, crtc_state->savePIPECONF);
+
+ gma_wait_for_vblank(dev);
+
+ REG_WRITE(map->cntr, crtc_state->saveDSPCNTR);
+ REG_WRITE(map->base, crtc_state->saveDSPBASE);
+
+ gma_wait_for_vblank(dev);
+
+ palette_reg = map->palette;
+ for (i = 0; i < 256; ++i)
+ REG_WRITE(palette_reg + (i << 2), crtc_state->savePalette[i]);
+}
+
+void gma_encoder_prepare(struct drm_encoder *encoder)
+{
+ const struct drm_encoder_helper_funcs *encoder_funcs =
+ encoder->helper_private;
+ /* lvds has its own version of prepare see psb_intel_lvds_prepare */
+ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
+}
+
+void gma_encoder_commit(struct drm_encoder *encoder)
+{
+ const struct drm_encoder_helper_funcs *encoder_funcs =
+ encoder->helper_private;
+ /* lvds has its own version of commit see psb_intel_lvds_commit */
+ encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
+}
+
+void gma_encoder_destroy(struct drm_encoder *encoder)
+{
+ struct gma_encoder *intel_encoder = to_gma_encoder(encoder);
+
+ drm_encoder_cleanup(encoder);
+ kfree(intel_encoder);
+}
+
+/* Currently there is only a 1:1 mapping of encoders and connectors */
+struct drm_encoder *gma_best_encoder(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+
+ return &gma_encoder->base;
+}
+
+void gma_connector_attach_encoder(struct gma_connector *connector,
+ struct gma_encoder *encoder)
+{
+ connector->encoder = encoder;
+ drm_mode_connector_attach_encoder(&connector->base,
+ &encoder->base);
+}
+
+#define GMA_PLL_INVALID(s) { /* DRM_ERROR(s); */ return false; }
+
+bool gma_pll_is_valid(struct drm_crtc *crtc,
+ const struct gma_limit_t *limit,
+ struct gma_clock_t *clock)
+{
+ if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
+ GMA_PLL_INVALID("p1 out of range");
+ if (clock->p < limit->p.min || limit->p.max < clock->p)
+ GMA_PLL_INVALID("p out of range");
+ if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
+ GMA_PLL_INVALID("m2 out of range");
+ if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
+ GMA_PLL_INVALID("m1 out of range");
+ /* On CDV m1 is always 0 */
+ if (clock->m1 <= clock->m2 && clock->m1 != 0)
+ GMA_PLL_INVALID("m1 <= m2 && m1 != 0");
+ if (clock->m < limit->m.min || limit->m.max < clock->m)
+ GMA_PLL_INVALID("m out of range");
+ if (clock->n < limit->n.min || limit->n.max < clock->n)
+ GMA_PLL_INVALID("n out of range");
+ if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
+ GMA_PLL_INVALID("vco out of range");
+ /* XXX: We may need to be checking "Dot clock"
+ * depending on the multiplier, connector, etc.,
+ * rather than just a single range.
+ */
+ if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
+ GMA_PLL_INVALID("dot out of range");
+
+ return true;
+}
+
+bool gma_find_best_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target, int refclk,
+ struct gma_clock_t *best_clock)
+{
+ struct drm_device *dev = crtc->dev;
+ const struct gma_clock_funcs *clock_funcs =
+ to_gma_crtc(crtc)->clock_funcs;
+ struct gma_clock_t clock;
+ int err = target;
+
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
+ (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
+ /*
+ * For LVDS, if the panel is on, just rely on its current
+ * settings for dual-channel. We haven't figured out how to
+ * reliably set up different single/dual channel state, if we
+ * even can.
+ */
+ if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ clock.p2 = limit->p2.p2_fast;
+ else
+ clock.p2 = limit->p2.p2_slow;
+ } else {
+ if (target < limit->p2.dot_limit)
+ clock.p2 = limit->p2.p2_slow;
+ else
+ clock.p2 = limit->p2.p2_fast;
+ }
+
+ memset(best_clock, 0, sizeof(*best_clock));
+
+ /* m1 is always 0 on CDV so the outmost loop will run just once */
+ for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) {
+ for (clock.m2 = limit->m2.min;
+ (clock.m2 < clock.m1 || clock.m1 == 0) &&
+ clock.m2 <= limit->m2.max; clock.m2++) {
+ for (clock.n = limit->n.min;
+ clock.n <= limit->n.max; clock.n++) {
+ for (clock.p1 = limit->p1.min;
+ clock.p1 <= limit->p1.max;
+ clock.p1++) {
+ int this_err;
+
+ clock_funcs->clock(refclk, &clock);
+
+ if (!clock_funcs->pll_is_valid(crtc,
+ limit, &clock))
+ continue;
+
+ this_err = abs(clock.dot - target);
+ if (this_err < err) {
+ *best_clock = clock;
+ err = this_err;
+ }
+ }
+ }
+ }
+ }
+
+ return err != target;
+}
diff --git a/drivers/gpu/drm/gma500/gma_display.h b/drivers/gpu/drm/gma500/gma_display.h
new file mode 100644
index 0000000..ed569d8
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gma_display.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
+ */
+
+#ifndef _GMA_DISPLAY_H_
+#define _GMA_DISPLAY_H_
+
+#include <linux/pm_runtime.h>
+
+struct gma_clock_t {
+ /* given values */
+ int n;
+ int m1, m2;
+ int p1, p2;
+ /* derived values */
+ int dot;
+ int vco;
+ int m;
+ int p;
+};
+
+struct gma_range_t {
+ int min, max;
+};
+
+struct gma_p2_t {
+ int dot_limit;
+ int p2_slow, p2_fast;
+};
+
+struct gma_limit_t {
+ struct gma_range_t dot, vco, n, m, m1, m2, p, p1;
+ struct gma_p2_t p2;
+ bool (*find_pll)(const struct gma_limit_t *, struct drm_crtc *,
+ int target, int refclk,
+ struct gma_clock_t *best_clock);
+};
+
+struct gma_clock_funcs {
+ void (*clock)(int refclk, struct gma_clock_t *clock);
+ const struct gma_limit_t *(*limit)(struct drm_crtc *crtc, int refclk);
+ bool (*pll_is_valid)(struct drm_crtc *crtc,
+ const struct gma_limit_t *limit,
+ struct gma_clock_t *clock);
+};
+
+/* Common pipe related functions */
+extern bool gma_pipe_has_type(struct drm_crtc *crtc, int type);
+extern void gma_wait_for_vblank(struct drm_device *dev);
+extern int gma_pipe_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb);
+extern int gma_crtc_cursor_set(struct drm_crtc *crtc,
+ struct drm_file *file_priv,
+ uint32_t handle,
+ uint32_t width, uint32_t height);
+extern int gma_crtc_cursor_move(struct drm_crtc *crtc, int x, int y);
+extern void gma_crtc_load_lut(struct drm_crtc *crtc);
+extern void gma_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
+ u16 *blue, u32 start, u32 size);
+extern void gma_crtc_dpms(struct drm_crtc *crtc, int mode);
+extern bool gma_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+extern void gma_crtc_prepare(struct drm_crtc *crtc);
+extern void gma_crtc_commit(struct drm_crtc *crtc);
+extern void gma_crtc_disable(struct drm_crtc *crtc);
+extern void gma_crtc_destroy(struct drm_crtc *crtc);
+extern int gma_crtc_set_config(struct drm_mode_set *set);
+
+extern void gma_crtc_save(struct drm_crtc *crtc);
+extern void gma_crtc_restore(struct drm_crtc *crtc);
+
+extern void gma_encoder_prepare(struct drm_encoder *encoder);
+extern void gma_encoder_commit(struct drm_encoder *encoder);
+extern void gma_encoder_destroy(struct drm_encoder *encoder);
+extern bool gma_encoder_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+
+/* Common clock related functions */
+extern const struct gma_limit_t *gma_limit(struct drm_crtc *crtc, int refclk);
+extern void gma_clock(int refclk, struct gma_clock_t *clock);
+extern bool gma_pll_is_valid(struct drm_crtc *crtc,
+ const struct gma_limit_t *limit,
+ struct gma_clock_t *clock);
+extern bool gma_find_best_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target, int refclk,
+ struct gma_clock_t *best_clock);
+#endif
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
new file mode 100644
index 0000000..ce015db
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -0,0 +1,587 @@
+/*
+ * Copyright (c) 2007, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
+ * Alan Cox <alan@linux.intel.com>
+ */
+
+#include <drm/drmP.h>
+#include <linux/shmem_fs.h>
+#include "psb_drv.h"
+#include "blitter.h"
+
+
+/*
+ * GTT resource allocator - manage page mappings in GTT space
+ */
+
+/**
+ * psb_gtt_mask_pte - generate GTT pte entry
+ * @pfn: page number to encode
+ * @type: type of memory in the GTT
+ *
+ * Set the GTT entry for the appropriate memory type.
+ */
+static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type)
+{
+ uint32_t mask = PSB_PTE_VALID;
+
+ /* Ensure we explode rather than put an invalid low mapping of
+ a high mapping page into the gtt */
+ BUG_ON(pfn & ~(0xFFFFFFFF >> PAGE_SHIFT));
+
+ if (type & PSB_MMU_CACHED_MEMORY)
+ mask |= PSB_PTE_CACHED;
+ if (type & PSB_MMU_RO_MEMORY)
+ mask |= PSB_PTE_RO;
+ if (type & PSB_MMU_WO_MEMORY)
+ mask |= PSB_PTE_WO;
+
+ return (pfn << PAGE_SHIFT) | mask;
+}
+
+/**
+ * psb_gtt_entry - find the GTT entries for a gtt_range
+ * @dev: our DRM device
+ * @r: our GTT range
+ *
+ * Given a gtt_range object return the GTT offset of the page table
+ * entries for this gtt_range
+ */
+static u32 __iomem *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long offset;
+
+ offset = r->resource.start - dev_priv->gtt_mem->start;
+
+ return dev_priv->gtt_map + (offset >> PAGE_SHIFT);
+}
+
+/**
+ * psb_gtt_insert - put an object into the GTT
+ * @dev: our DRM device
+ * @r: our GTT range
+ *
+ * Take our preallocated GTT range and insert the GEM object into
+ * the GTT. This is protected via the gtt mutex which the caller
+ * must hold.
+ */
+static int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r,
+ int resume)
+{
+ u32 __iomem *gtt_slot;
+ u32 pte;
+ struct page **pages;
+ int i;
+
+ if (r->pages == NULL) {
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ WARN_ON(r->stolen); /* refcount these maybe ? */
+
+ gtt_slot = psb_gtt_entry(dev, r);
+ pages = r->pages;
+
+ if (!resume) {
+ /* Make sure changes are visible to the GPU */
+ set_pages_array_wc(pages, r->npage);
+ }
+
+ /* Write our page entries into the GTT itself */
+ for (i = r->roll; i < r->npage; i++) {
+ pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]),
+ PSB_MMU_CACHED_MEMORY);
+ iowrite32(pte, gtt_slot++);
+ }
+ for (i = 0; i < r->roll; i++) {
+ pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]),
+ PSB_MMU_CACHED_MEMORY);
+ iowrite32(pte, gtt_slot++);
+ }
+ /* Make sure all the entries are set before we return */
+ ioread32(gtt_slot - 1);
+
+ return 0;
+}
+
+/**
+ * psb_gtt_remove - remove an object from the GTT
+ * @dev: our DRM device
+ * @r: our GTT range
+ *
+ * Remove a preallocated GTT range from the GTT. Overwrite all the
+ * page table entries with the dummy page. This is protected via the gtt
+ * mutex which the caller must hold.
+ */
+void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 __iomem *gtt_slot;
+ u32 pte;
+ int i;
+
+ WARN_ON(r->stolen);
+
+ gtt_slot = psb_gtt_entry(dev, r);
+ pte = psb_gtt_mask_pte(page_to_pfn(dev_priv->scratch_page),
+ PSB_MMU_CACHED_MEMORY);
+
+ for (i = 0; i < r->npage; i++)
+ iowrite32(pte, gtt_slot++);
+ ioread32(gtt_slot - 1);
+ set_pages_array_wb(r->pages, r->npage);
+}
+
+/**
+ * psb_gtt_roll - set scrolling position
+ * @dev: our DRM device
+ * @r: the gtt mapping we are using
+ * @roll: roll offset
+ *
+ * Roll an existing pinned mapping by moving the pages through the GTT.
+ * This allows us to implement hardware scrolling on the consoles without
+ * a 2D engine
+ */
+void psb_gtt_roll(struct drm_device *dev, struct gtt_range *r, int roll)
+{
+ u32 __iomem *gtt_slot;
+ u32 pte;
+ int i;
+
+ if (roll >= r->npage) {
+ WARN_ON(1);
+ return;
+ }
+
+ r->roll = roll;
+
+ /* Not currently in the GTT - no worry we will write the mapping at
+ the right position when it gets pinned */
+ if (!r->stolen && !r->in_gart)
+ return;
+
+ gtt_slot = psb_gtt_entry(dev, r);
+
+ for (i = r->roll; i < r->npage; i++) {
+ pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]),
+ PSB_MMU_CACHED_MEMORY);
+ iowrite32(pte, gtt_slot++);
+ }
+ for (i = 0; i < r->roll; i++) {
+ pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]),
+ PSB_MMU_CACHED_MEMORY);
+ iowrite32(pte, gtt_slot++);
+ }
+ ioread32(gtt_slot - 1);
+}
+
+/**
+ * psb_gtt_attach_pages - attach and pin GEM pages
+ * @gt: the gtt range
+ *
+ * Pin and build an in kernel list of the pages that back our GEM object.
+ * While we hold this the pages cannot be swapped out. This is protected
+ * via the gtt mutex which the caller must hold.
+ */
+static int psb_gtt_attach_pages(struct gtt_range *gt)
+{
+ struct page **pages;
+
+ WARN_ON(gt->pages);
+
+ pages = drm_gem_get_pages(>->gem);
+ if (IS_ERR(pages))
+ return PTR_ERR(pages);
+
+ gt->npage = gt->gem.size / PAGE_SIZE;
+ gt->pages = pages;
+
+ return 0;
+}
+
+/**
+ * psb_gtt_detach_pages - attach and pin GEM pages
+ * @gt: the gtt range
+ *
+ * Undo the effect of psb_gtt_attach_pages. At this point the pages
+ * must have been removed from the GTT as they could now be paged out
+ * and move bus address. This is protected via the gtt mutex which the
+ * caller must hold.
+ */
+static void psb_gtt_detach_pages(struct gtt_range *gt)
+{
+ drm_gem_put_pages(>->gem, gt->pages, true, false);
+ gt->pages = NULL;
+}
+
+/**
+ * psb_gtt_pin - pin pages into the GTT
+ * @gt: range to pin
+ *
+ * Pin a set of pages into the GTT. The pins are refcounted so that
+ * multiple pins need multiple unpins to undo.
+ *
+ * Non GEM backed objects treat this as a no-op as they are always GTT
+ * backed objects.
+ */
+int psb_gtt_pin(struct gtt_range *gt)
+{
+ int ret = 0;
+ struct drm_device *dev = gt->gem.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 gpu_base = dev_priv->gtt.gatt_start;
+
+ mutex_lock(&dev_priv->gtt_mutex);
+
+ if (gt->in_gart == 0 && gt->stolen == 0) {
+ ret = psb_gtt_attach_pages(gt);
+ if (ret < 0)
+ goto out;
+ ret = psb_gtt_insert(dev, gt, 0);
+ if (ret < 0) {
+ psb_gtt_detach_pages(gt);
+ goto out;
+ }
+ psb_mmu_insert_pages(psb_mmu_get_default_pd(dev_priv->mmu),
+ gt->pages, (gpu_base + gt->offset),
+ gt->npage, 0, 0, PSB_MMU_CACHED_MEMORY);
+ }
+ gt->in_gart++;
+out:
+ mutex_unlock(&dev_priv->gtt_mutex);
+ return ret;
+}
+
+/**
+ * psb_gtt_unpin - Drop a GTT pin requirement
+ * @gt: range to pin
+ *
+ * Undoes the effect of psb_gtt_pin. On the last drop the GEM object
+ * will be removed from the GTT which will also drop the page references
+ * and allow the VM to clean up or page stuff.
+ *
+ * Non GEM backed objects treat this as a no-op as they are always GTT
+ * backed objects.
+ */
+void psb_gtt_unpin(struct gtt_range *gt)
+{
+ struct drm_device *dev = gt->gem.dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 gpu_base = dev_priv->gtt.gatt_start;
+ int ret;
+
+ /* While holding the gtt_mutex no new blits can be initiated */
+ mutex_lock(&dev_priv->gtt_mutex);
+
+ /* Wait for any possible usage of the memory to be finished */
+ ret = gma_blt_wait_idle(dev_priv);
+ if (ret) {
+ DRM_ERROR("Failed to idle the blitter, unpin failed!");
+ goto out;
+ }
+
+ WARN_ON(!gt->in_gart);
+
+ gt->in_gart--;
+ if (gt->in_gart == 0 && gt->stolen == 0) {
+ psb_mmu_remove_pages(psb_mmu_get_default_pd(dev_priv->mmu),
+ (gpu_base + gt->offset), gt->npage, 0, 0);
+ psb_gtt_remove(dev, gt);
+ psb_gtt_detach_pages(gt);
+ }
+
+out:
+ mutex_unlock(&dev_priv->gtt_mutex);
+}
+
+/*
+ * GTT resource allocator - allocate and manage GTT address space
+ */
+
+/**
+ * psb_gtt_alloc_range - allocate GTT address space
+ * @dev: Our DRM device
+ * @len: length (bytes) of address space required
+ * @name: resource name
+ * @backed: resource should be backed by stolen pages
+ *
+ * Ask the kernel core to find us a suitable range of addresses
+ * to use for a GTT mapping.
+ *
+ * Returns a gtt_range structure describing the object, or NULL on
+ * error. On successful return the resource is both allocated and marked
+ * as in use.
+ */
+struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
+ const char *name, int backed, u32 align)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gtt_range *gt;
+ struct resource *r = dev_priv->gtt_mem;
+ int ret;
+ unsigned long start, end;
+
+ if (backed) {
+ /* The start of the GTT is the stolen pages */
+ start = r->start;
+ end = r->start + dev_priv->gtt.stolen_size - 1;
+ } else {
+ /* The rest we will use for GEM backed objects */
+ start = r->start + dev_priv->gtt.stolen_size;
+ end = r->end;
+ }
+
+ gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL);
+ if (gt == NULL)
+ return NULL;
+ gt->resource.name = name;
+ gt->stolen = backed;
+ gt->in_gart = backed;
+ gt->roll = 0;
+ /* Ensure this is set for non GEM objects */
+ gt->gem.dev = dev;
+ ret = allocate_resource(dev_priv->gtt_mem, >->resource,
+ len, start, end, align, NULL, NULL);
+ if (ret == 0) {
+ gt->offset = gt->resource.start - r->start;
+ return gt;
+ }
+ kfree(gt);
+ return NULL;
+}
+
+/**
+ * psb_gtt_free_range - release GTT address space
+ * @dev: our DRM device
+ * @gt: a mapping created with psb_gtt_alloc_range
+ *
+ * Release a resource that was allocated with psb_gtt_alloc_range. If the
+ * object has been pinned by mmap users we clean this up here currently.
+ */
+void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
+{
+ /* Undo the mmap pin if we are destroying the object */
+ if (gt->mmapping) {
+ psb_gtt_unpin(gt);
+ gt->mmapping = 0;
+ }
+ WARN_ON(gt->in_gart && !gt->stolen);
+ release_resource(>->resource);
+ kfree(gt);
+}
+
+static void psb_gtt_alloc(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ init_rwsem(&dev_priv->gtt.sem);
+}
+
+void psb_gtt_takedown(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->gtt_map) {
+ iounmap(dev_priv->gtt_map);
+ dev_priv->gtt_map = NULL;
+ }
+ if (dev_priv->gtt_initialized) {
+ pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
+ dev_priv->gmch_ctrl);
+ PSB_WVDC32(dev_priv->pge_ctl, PSB_PGETBL_CTL);
+ (void) PSB_RVDC32(PSB_PGETBL_CTL);
+ }
+ if (dev_priv->vram_addr)
+ iounmap(dev_priv->gtt_map);
+}
+
+int psb_gtt_init(struct drm_device *dev, int resume)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned gtt_pages;
+ unsigned long stolen_size, vram_stolen_size;
+ unsigned i, num_pages;
+ unsigned pfn_base;
+ struct psb_gtt *pg;
+
+ int ret = 0;
+ uint32_t pte;
+
+ if (!resume) {
+ mutex_init(&dev_priv->gtt_mutex);
+ psb_gtt_alloc(dev);
+ }
+
+ pg = &dev_priv->gtt;
+
+ /* Enable the GTT */
+ pci_read_config_word(dev->pdev, PSB_GMCH_CTRL, &dev_priv->gmch_ctrl);
+ pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
+ dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
+
+ dev_priv->pge_ctl = PSB_RVDC32(PSB_PGETBL_CTL);
+ PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
+ (void) PSB_RVDC32(PSB_PGETBL_CTL);
+
+ /* The root resource we allocate address space from */
+ dev_priv->gtt_initialized = 1;
+
+ pg->gtt_phys_start = dev_priv->pge_ctl & PAGE_MASK;
+
+ /*
+ * The video mmu has a hw bug when accessing 0x0D0000000.
+ * Make gatt start at 0x0e000,0000. This doesn't actually
+ * matter for us but may do if the video acceleration ever
+ * gets opened up.
+ */
+ pg->mmu_gatt_start = 0xE0000000;
+
+ pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE);
+ gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE)
+ >> PAGE_SHIFT;
+ /* CDV doesn't report this. In which case the system has 64 gtt pages */
+ if (pg->gtt_start == 0 || gtt_pages == 0) {
+ dev_dbg(dev->dev, "GTT PCI BAR not initialized.\n");
+ gtt_pages = 64;
+ pg->gtt_start = dev_priv->pge_ctl;
+ }
+
+ pg->gatt_start = pci_resource_start(dev->pdev, PSB_GATT_RESOURCE);
+ pg->gatt_pages = pci_resource_len(dev->pdev, PSB_GATT_RESOURCE)
+ >> PAGE_SHIFT;
+ dev_priv->gtt_mem = &dev->pdev->resource[PSB_GATT_RESOURCE];
+
+ if (pg->gatt_pages == 0 || pg->gatt_start == 0) {
+ static struct resource fudge; /* Preferably peppermint */
+ /* This can occur on CDV systems. Fudge it in this case.
+ We really don't care what imaginary space is being allocated
+ at this point */
+ dev_dbg(dev->dev, "GATT PCI BAR not initialized.\n");
+ pg->gatt_start = 0x40000000;
+ pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT;
+ /* This is a little confusing but in fact the GTT is providing
+ a view from the GPU into memory and not vice versa. As such
+ this is really allocating space that is not the same as the
+ CPU address space on CDV */
+ fudge.start = 0x40000000;
+ fudge.end = 0x40000000 + 128 * 1024 * 1024 - 1;
+ fudge.name = "fudge";
+ fudge.flags = IORESOURCE_MEM;
+ dev_priv->gtt_mem = &fudge;
+ }
+
+ pci_read_config_dword(dev->pdev, PSB_BSM, &dev_priv->stolen_base);
+ vram_stolen_size = pg->gtt_phys_start - dev_priv->stolen_base
+ - PAGE_SIZE;
+
+ stolen_size = vram_stolen_size;
+
+ dev_dbg(dev->dev, "Stolen memory base 0x%x, size %luK\n",
+ dev_priv->stolen_base, vram_stolen_size / 1024);
+
+ if (resume && (gtt_pages != pg->gtt_pages) &&
+ (stolen_size != pg->stolen_size)) {
+ dev_err(dev->dev, "GTT resume error.\n");
+ ret = -EINVAL;
+ goto out_err;
+ }
+
+ pg->gtt_pages = gtt_pages;
+ pg->stolen_size = stolen_size;
+ dev_priv->vram_stolen_size = vram_stolen_size;
+
+ /*
+ * Map the GTT and the stolen memory area
+ */
+ if (!resume)
+ dev_priv->gtt_map = ioremap_nocache(pg->gtt_phys_start,
+ gtt_pages << PAGE_SHIFT);
+ if (!dev_priv->gtt_map) {
+ dev_err(dev->dev, "Failure to map gtt.\n");
+ ret = -ENOMEM;
+ goto out_err;
+ }
+
+ if (!resume)
+ dev_priv->vram_addr = ioremap_wc(dev_priv->stolen_base,
+ stolen_size);
+
+ if (!dev_priv->vram_addr) {
+ dev_err(dev->dev, "Failure to map stolen base.\n");
+ ret = -ENOMEM;
+ goto out_err;
+ }
+
+ /*
+ * Insert vram stolen pages into the GTT
+ */
+
+ pfn_base = dev_priv->stolen_base >> PAGE_SHIFT;
+ num_pages = vram_stolen_size >> PAGE_SHIFT;
+ dev_dbg(dev->dev, "Set up %d stolen pages starting at 0x%08x, GTT offset %dK\n",
+ num_pages, pfn_base << PAGE_SHIFT, 0);
+ for (i = 0; i < num_pages; ++i) {
+ pte = psb_gtt_mask_pte(pfn_base + i, PSB_MMU_CACHED_MEMORY);
+ iowrite32(pte, dev_priv->gtt_map + i);
+ }
+
+ /*
+ * Init rest of GTT to the scratch page to avoid accidents or scribbles
+ */
+
+ pfn_base = page_to_pfn(dev_priv->scratch_page);
+ pte = psb_gtt_mask_pte(pfn_base, PSB_MMU_CACHED_MEMORY);
+ for (; i < gtt_pages; ++i)
+ iowrite32(pte, dev_priv->gtt_map + i);
+
+ (void) ioread32(dev_priv->gtt_map + i - 1);
+ return 0;
+
+out_err:
+ psb_gtt_takedown(dev);
+ return ret;
+}
+
+int psb_gtt_restore(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct resource *r = dev_priv->gtt_mem->child;
+ struct gtt_range *range;
+ unsigned int restored = 0, total = 0, size = 0;
+
+ /* On resume, the gtt_mutex is already initialized */
+ mutex_lock(&dev_priv->gtt_mutex);
+ psb_gtt_init(dev, 1);
+
+ while (r != NULL) {
+ range = container_of(r, struct gtt_range, resource);
+ if (range->pages) {
+ psb_gtt_insert(dev, range, 1);
+ size += range->resource.end - range->resource.start;
+ restored++;
+ }
+ r = r->sibling;
+ total++;
+ }
+ mutex_unlock(&dev_priv->gtt_mutex);
+ DRM_DEBUG_DRIVER("Restored %u of %u gtt ranges (%u KB)", restored,
+ total, (size / 1024));
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h
new file mode 100644
index 0000000..cdbb350
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gtt.h
@@ -0,0 +1,66 @@
+/**************************************************************************
+ * Copyright (c) 2007-2008, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#ifndef _PSB_GTT_H_
+#define _PSB_GTT_H_
+
+#include <drm/drmP.h>
+#include <drm/drm_gem.h>
+
+/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
+struct psb_gtt {
+ uint32_t gatt_start;
+ uint32_t mmu_gatt_start;
+ uint32_t gtt_start;
+ uint32_t gtt_phys_start;
+ unsigned gtt_pages;
+ unsigned gatt_pages;
+ unsigned long stolen_size;
+ unsigned long vram_stolen_size;
+ struct rw_semaphore sem;
+};
+
+/* Exported functions */
+extern int psb_gtt_init(struct drm_device *dev, int resume);
+extern void psb_gtt_takedown(struct drm_device *dev);
+
+/* Each gtt_range describes an allocation in the GTT area */
+struct gtt_range {
+ struct resource resource; /* Resource for our allocation */
+ u32 offset; /* GTT offset of our object */
+ struct drm_gem_object gem; /* GEM high level stuff */
+ int in_gart; /* Currently in the GART (ref ct) */
+ bool stolen; /* Backed from stolen RAM */
+ bool mmapping; /* Is mmappable */
+ struct page **pages; /* Backing pages if present */
+ int npage; /* Number of backing pages */
+ int roll; /* Roll applied to the GTT entries */
+};
+
+extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
+ const char *name, int backed,
+ u32 align);
+extern void psb_gtt_kref_put(struct gtt_range *gt);
+extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt);
+extern int psb_gtt_pin(struct gtt_range *gt);
+extern void psb_gtt_unpin(struct gtt_range *gt);
+extern void psb_gtt_roll(struct drm_device *dev,
+ struct gtt_range *gt, int roll);
+extern int psb_gtt_restore(struct drm_device *dev);
+#endif
diff --git a/drivers/gpu/drm/gma500/intel_bios.c b/drivers/gpu/drm/gma500/intel_bios.c
new file mode 100644
index 0000000..63bde4e
--- /dev/null
+++ b/drivers/gpu/drm/gma500/intel_bios.c
@@ -0,0 +1,597 @@
+/*
+ * Copyright (c) 2006 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "intel_bios.h"
+
+#define SLAVE_ADDR1 0x70
+#define SLAVE_ADDR2 0x72
+
+static void *find_section(struct bdb_header *bdb, int section_id)
+{
+ u8 *base = (u8 *)bdb;
+ int index = 0;
+ u16 total, current_size;
+ u8 current_id;
+
+ /* skip to first section */
+ index += bdb->header_size;
+ total = bdb->bdb_size;
+
+ /* walk the sections looking for section_id */
+ while (index < total) {
+ current_id = *(base + index);
+ index++;
+ current_size = *((u16 *)(base + index));
+ index += 2;
+ if (current_id == section_id)
+ return base + index;
+ index += current_size;
+ }
+
+ return NULL;
+}
+
+static void
+parse_edp(struct drm_psb_private *dev_priv, struct bdb_header *bdb)
+{
+ struct bdb_edp *edp;
+ struct edp_power_seq *edp_pps;
+ struct edp_link_params *edp_link_params;
+ uint8_t panel_type;
+
+ edp = find_section(bdb, BDB_EDP);
+
+ dev_priv->edp.bpp = 18;
+ if (!edp) {
+ if (dev_priv->edp.support) {
+ DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported, assume %dbpp panel color depth.\n",
+ dev_priv->edp.bpp);
+ }
+ return;
+ }
+
+ panel_type = dev_priv->panel_type;
+ switch ((edp->color_depth >> (panel_type * 2)) & 3) {
+ case EDP_18BPP:
+ dev_priv->edp.bpp = 18;
+ break;
+ case EDP_24BPP:
+ dev_priv->edp.bpp = 24;
+ break;
+ case EDP_30BPP:
+ dev_priv->edp.bpp = 30;
+ break;
+ }
+
+ /* Get the eDP sequencing and link info */
+ edp_pps = &edp->power_seqs[panel_type];
+ edp_link_params = &edp->link_params[panel_type];
+
+ dev_priv->edp.pps = *edp_pps;
+
+ DRM_DEBUG_KMS("EDP timing in vbt t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n",
+ dev_priv->edp.pps.t1_t3, dev_priv->edp.pps.t8,
+ dev_priv->edp.pps.t9, dev_priv->edp.pps.t10,
+ dev_priv->edp.pps.t11_t12);
+
+ dev_priv->edp.rate = edp_link_params->rate ? DP_LINK_BW_2_7 :
+ DP_LINK_BW_1_62;
+ switch (edp_link_params->lanes) {
+ case 0:
+ dev_priv->edp.lanes = 1;
+ break;
+ case 1:
+ dev_priv->edp.lanes = 2;
+ break;
+ case 3:
+ default:
+ dev_priv->edp.lanes = 4;
+ break;
+ }
+ DRM_DEBUG_KMS("VBT reports EDP: Lane_count %d, Lane_rate %d, Bpp %d\n",
+ dev_priv->edp.lanes, dev_priv->edp.rate, dev_priv->edp.bpp);
+
+ switch (edp_link_params->preemphasis) {
+ case 0:
+ dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPH_LEVEL_0;
+ break;
+ case 1:
+ dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPH_LEVEL_1;
+ break;
+ case 2:
+ dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPH_LEVEL_2;
+ break;
+ case 3:
+ dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPH_LEVEL_3;
+ break;
+ }
+ switch (edp_link_params->vswing) {
+ case 0:
+ dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_LEVEL_0;
+ break;
+ case 1:
+ dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_LEVEL_1;
+ break;
+ case 2:
+ dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
+ break;
+ case 3:
+ dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
+ break;
+ }
+ DRM_DEBUG_KMS("VBT reports EDP: VSwing %d, Preemph %d\n",
+ dev_priv->edp.vswing, dev_priv->edp.preemphasis);
+}
+
+static u16
+get_blocksize(void *p)
+{
+ u16 *block_ptr, block_size;
+
+ block_ptr = (u16 *)((char *)p - 2);
+ block_size = *block_ptr;
+ return block_size;
+}
+
+static void fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
+ struct lvds_dvo_timing *dvo_timing)
+{
+ panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
+ dvo_timing->hactive_lo;
+ panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
+ panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
+ dvo_timing->hsync_pulse_width;
+ panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
+ ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
+
+ panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
+ dvo_timing->vactive_lo;
+ panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
+ dvo_timing->vsync_off;
+ panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
+ dvo_timing->vsync_pulse_width;
+ panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
+ ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
+ panel_fixed_mode->clock = dvo_timing->clock * 10;
+ panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
+
+ if (dvo_timing->hsync_positive)
+ panel_fixed_mode->flags |= DRM_MODE_FLAG_PHSYNC;
+ else
+ panel_fixed_mode->flags |= DRM_MODE_FLAG_NHSYNC;
+
+ if (dvo_timing->vsync_positive)
+ panel_fixed_mode->flags |= DRM_MODE_FLAG_PVSYNC;
+ else
+ panel_fixed_mode->flags |= DRM_MODE_FLAG_NVSYNC;
+
+ /* Some VBTs have bogus h/vtotal values */
+ if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
+ panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
+ if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
+ panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
+
+ drm_mode_set_name(panel_fixed_mode);
+}
+
+static void parse_backlight_data(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_lvds_backlight *vbt_lvds_bl = NULL;
+ struct bdb_lvds_backlight *lvds_bl;
+ u8 p_type = 0;
+ void *bl_start = NULL;
+ struct bdb_lvds_options *lvds_opts
+ = find_section(bdb, BDB_LVDS_OPTIONS);
+
+ dev_priv->lvds_bl = NULL;
+
+ if (lvds_opts)
+ p_type = lvds_opts->panel_type;
+ else
+ return;
+
+ bl_start = find_section(bdb, BDB_LVDS_BACKLIGHT);
+ vbt_lvds_bl = (struct bdb_lvds_backlight *)(bl_start + 1) + p_type;
+
+ lvds_bl = kmemdup(vbt_lvds_bl, sizeof(*vbt_lvds_bl), GFP_KERNEL);
+ if (!lvds_bl) {
+ dev_err(dev_priv->dev->dev, "out of memory for backlight data\n");
+ return;
+ }
+ dev_priv->lvds_bl = lvds_bl;
+}
+
+/* Try to find integrated panel data */
+static void parse_lfp_panel_data(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_lvds_options *lvds_options;
+ struct bdb_lvds_lfp_data *lvds_lfp_data;
+ struct bdb_lvds_lfp_data_entry *entry;
+ struct lvds_dvo_timing *dvo_timing;
+ struct drm_display_mode *panel_fixed_mode;
+
+ /* Defaults if we can't find VBT info */
+ dev_priv->lvds_dither = 0;
+ dev_priv->lvds_vbt = 0;
+
+ lvds_options = find_section(bdb, BDB_LVDS_OPTIONS);
+ if (!lvds_options)
+ return;
+
+ dev_priv->lvds_dither = lvds_options->pixel_dither;
+ dev_priv->panel_type = lvds_options->panel_type;
+
+ if (lvds_options->panel_type == 0xff)
+ return;
+
+ lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
+ if (!lvds_lfp_data)
+ return;
+
+
+ entry = &lvds_lfp_data->data[lvds_options->panel_type];
+ dvo_timing = &entry->dvo_timing;
+
+ panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode),
+ GFP_KERNEL);
+ if (panel_fixed_mode == NULL) {
+ dev_err(dev_priv->dev->dev, "out of memory for fixed panel mode\n");
+ return;
+ }
+
+ dev_priv->lvds_vbt = 1;
+ fill_detail_timing_data(panel_fixed_mode, dvo_timing);
+
+ if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) {
+ dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
+ drm_mode_debug_printmodeline(panel_fixed_mode);
+ } else {
+ dev_dbg(dev_priv->dev->dev, "ignoring invalid LVDS VBT\n");
+ dev_priv->lvds_vbt = 0;
+ kfree(panel_fixed_mode);
+ }
+ return;
+}
+
+/* Try to find sdvo panel data */
+static void parse_sdvo_panel_data(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_sdvo_lvds_options *sdvo_lvds_options;
+ struct lvds_dvo_timing *dvo_timing;
+ struct drm_display_mode *panel_fixed_mode;
+
+ dev_priv->sdvo_lvds_vbt_mode = NULL;
+
+ sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
+ if (!sdvo_lvds_options)
+ return;
+
+ dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
+ if (!dvo_timing)
+ return;
+
+ panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
+
+ if (!panel_fixed_mode)
+ return;
+
+ fill_detail_timing_data(panel_fixed_mode,
+ dvo_timing + sdvo_lvds_options->panel_type);
+
+ dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
+
+ return;
+}
+
+static void parse_general_features(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_general_features *general;
+
+ /* Set sensible defaults in case we can't find the general block */
+ dev_priv->int_tv_support = 1;
+ dev_priv->int_crt_support = 1;
+
+ general = find_section(bdb, BDB_GENERAL_FEATURES);
+ if (general) {
+ dev_priv->int_tv_support = general->int_tv_support;
+ dev_priv->int_crt_support = general->int_crt_support;
+ dev_priv->lvds_use_ssc = general->enable_ssc;
+
+ if (dev_priv->lvds_use_ssc) {
+ dev_priv->lvds_ssc_freq
+ = general->ssc_freq ? 100 : 96;
+ }
+ }
+}
+
+static void
+parse_sdvo_device_mapping(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct sdvo_device_mapping *p_mapping;
+ struct bdb_general_definitions *p_defs;
+ struct child_device_config *p_child;
+ int i, child_device_num, count;
+ u16 block_size;
+
+ p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS);
+ if (!p_defs) {
+ DRM_DEBUG_KMS("No general definition block is found, unable to construct sdvo mapping.\n");
+ return;
+ }
+ /* judge whether the size of child device meets the requirements.
+ * If the child device size obtained from general definition block
+ * is different with sizeof(struct child_device_config), skip the
+ * parsing of sdvo device info
+ */
+ if (p_defs->child_dev_size != sizeof(*p_child)) {
+ /* different child dev size . Ignore it */
+ DRM_DEBUG_KMS("different child size is found. Invalid.\n");
+ return;
+ }
+ /* get the block size of general definitions */
+ block_size = get_blocksize(p_defs);
+ /* get the number of child device */
+ child_device_num = (block_size - sizeof(*p_defs)) /
+ sizeof(*p_child);
+ count = 0;
+ for (i = 0; i < child_device_num; i++) {
+ p_child = &(p_defs->devices[i]);
+ if (!p_child->device_type) {
+ /* skip the device block if device type is invalid */
+ continue;
+ }
+ if (p_child->slave_addr != SLAVE_ADDR1 &&
+ p_child->slave_addr != SLAVE_ADDR2) {
+ /*
+ * If the slave address is neither 0x70 nor 0x72,
+ * it is not a SDVO device. Skip it.
+ */
+ continue;
+ }
+ if (p_child->dvo_port != DEVICE_PORT_DVOB &&
+ p_child->dvo_port != DEVICE_PORT_DVOC) {
+ /* skip the incorrect SDVO port */
+ DRM_DEBUG_KMS("Incorrect SDVO port. Skip it\n");
+ continue;
+ }
+ DRM_DEBUG_KMS("the SDVO device with slave addr %2x is found on"
+ " %s port\n",
+ p_child->slave_addr,
+ (p_child->dvo_port == DEVICE_PORT_DVOB) ?
+ "SDVOB" : "SDVOC");
+ p_mapping = &(dev_priv->sdvo_mappings[p_child->dvo_port - 1]);
+ if (!p_mapping->initialized) {
+ p_mapping->dvo_port = p_child->dvo_port;
+ p_mapping->slave_addr = p_child->slave_addr;
+ p_mapping->dvo_wiring = p_child->dvo_wiring;
+ p_mapping->ddc_pin = p_child->ddc_pin;
+ p_mapping->i2c_pin = p_child->i2c_pin;
+ p_mapping->initialized = 1;
+ DRM_DEBUG_KMS("SDVO device: dvo=%x, addr=%x, wiring=%d, ddc_pin=%d, i2c_pin=%d\n",
+ p_mapping->dvo_port,
+ p_mapping->slave_addr,
+ p_mapping->dvo_wiring,
+ p_mapping->ddc_pin,
+ p_mapping->i2c_pin);
+ } else {
+ DRM_DEBUG_KMS("Maybe one SDVO port is shared by "
+ "two SDVO device.\n");
+ }
+ if (p_child->slave2_addr) {
+ /* Maybe this is a SDVO device with multiple inputs */
+ /* And the mapping info is not added */
+ DRM_DEBUG_KMS("there exists the slave2_addr. Maybe this"
+ " is a SDVO device with multiple inputs.\n");
+ }
+ count++;
+ }
+
+ if (!count) {
+ /* No SDVO device info is found */
+ DRM_DEBUG_KMS("No SDVO device info is found in VBT\n");
+ }
+ return;
+}
+
+
+static void
+parse_driver_features(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_driver_features *driver;
+
+ driver = find_section(bdb, BDB_DRIVER_FEATURES);
+ if (!driver)
+ return;
+
+ if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
+ dev_priv->edp.support = 1;
+
+ /* This bit means to use 96Mhz for DPLL_A or not */
+ if (driver->primary_lfp_id)
+ dev_priv->dplla_96mhz = true;
+ else
+ dev_priv->dplla_96mhz = false;
+}
+
+static void
+parse_device_mapping(struct drm_psb_private *dev_priv,
+ struct bdb_header *bdb)
+{
+ struct bdb_general_definitions *p_defs;
+ struct child_device_config *p_child, *child_dev_ptr;
+ int i, child_device_num, count;
+ u16 block_size;
+
+ p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS);
+ if (!p_defs) {
+ DRM_DEBUG_KMS("No general definition block is found, no devices defined.\n");
+ return;
+ }
+ /* judge whether the size of child device meets the requirements.
+ * If the child device size obtained from general definition block
+ * is different with sizeof(struct child_device_config), skip the
+ * parsing of sdvo device info
+ */
+ if (p_defs->child_dev_size != sizeof(*p_child)) {
+ /* different child dev size . Ignore it */
+ DRM_DEBUG_KMS("different child size is found. Invalid.\n");
+ return;
+ }
+ /* get the block size of general definitions */
+ block_size = get_blocksize(p_defs);
+ /* get the number of child device */
+ child_device_num = (block_size - sizeof(*p_defs)) /
+ sizeof(*p_child);
+ count = 0;
+ /* get the number of child devices that are present */
+ for (i = 0; i < child_device_num; i++) {
+ p_child = &(p_defs->devices[i]);
+ if (!p_child->device_type) {
+ /* skip the device block if device type is invalid */
+ continue;
+ }
+ count++;
+ }
+ if (!count) {
+ DRM_DEBUG_KMS("no child dev is parsed from VBT\n");
+ return;
+ }
+ dev_priv->child_dev = kcalloc(count, sizeof(*p_child), GFP_KERNEL);
+ if (!dev_priv->child_dev) {
+ DRM_DEBUG_KMS("No memory space for child devices\n");
+ return;
+ }
+
+ dev_priv->child_dev_num = count;
+ count = 0;
+ for (i = 0; i < child_device_num; i++) {
+ p_child = &(p_defs->devices[i]);
+ if (!p_child->device_type) {
+ /* skip the device block if device type is invalid */
+ continue;
+ }
+ child_dev_ptr = dev_priv->child_dev + count;
+ count++;
+ memcpy((void *)child_dev_ptr, (void *)p_child,
+ sizeof(*p_child));
+ }
+ return;
+}
+
+
+/**
+ * psb_intel_init_bios - initialize VBIOS settings & find VBT
+ * @dev: DRM device
+ *
+ * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers
+ * to appropriate values.
+ *
+ * VBT existence is a sanity check that is relied on by other i830_bios.c code.
+ * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may
+ * feed an updated VBT back through that, compared to what we'll fetch using
+ * this method of groping around in the BIOS data.
+ *
+ * Returns 0 on success, nonzero on failure.
+ */
+int psb_intel_init_bios(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct pci_dev *pdev = dev->pdev;
+ struct vbt_header *vbt = NULL;
+ struct bdb_header *bdb = NULL;
+ u8 __iomem *bios = NULL;
+ size_t size;
+ int i;
+
+
+ dev_priv->panel_type = 0xff;
+
+ /* XXX Should this validation be moved to intel_opregion.c? */
+ if (dev_priv->opregion.vbt) {
+ struct vbt_header *vbt = dev_priv->opregion.vbt;
+ if (memcmp(vbt->signature, "$VBT", 4) == 0) {
+ DRM_DEBUG_KMS("Using VBT from OpRegion: %20s\n",
+ vbt->signature);
+ bdb = (struct bdb_header *)((char *)vbt + vbt->bdb_offset);
+ } else
+ dev_priv->opregion.vbt = NULL;
+ }
+
+ if (bdb == NULL) {
+ bios = pci_map_rom(pdev, &size);
+ if (!bios)
+ return -1;
+
+ /* Scour memory looking for the VBT signature */
+ for (i = 0; i + 4 < size; i++) {
+ if (!memcmp(bios + i, "$VBT", 4)) {
+ vbt = (struct vbt_header *)(bios + i);
+ break;
+ }
+ }
+
+ if (!vbt) {
+ dev_err(dev->dev, "VBT signature missing\n");
+ pci_unmap_rom(pdev, bios);
+ return -1;
+ }
+ bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset);
+ }
+
+ /* Grab useful general dxefinitions */
+ parse_general_features(dev_priv, bdb);
+ parse_driver_features(dev_priv, bdb);
+ parse_lfp_panel_data(dev_priv, bdb);
+ parse_sdvo_panel_data(dev_priv, bdb);
+ parse_sdvo_device_mapping(dev_priv, bdb);
+ parse_device_mapping(dev_priv, bdb);
+ parse_backlight_data(dev_priv, bdb);
+ parse_edp(dev_priv, bdb);
+
+ if (bios)
+ pci_unmap_rom(pdev, bios);
+
+ return 0;
+}
+
+/**
+ * Destroy and free VBT data
+ */
+void psb_intel_destroy_bios(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ kfree(dev_priv->sdvo_lvds_vbt_mode);
+ kfree(dev_priv->lfp_lvds_vbt_mode);
+ kfree(dev_priv->lvds_bl);
+}
diff --git a/drivers/gpu/drm/gma500/intel_bios.h b/drivers/gpu/drm/gma500/intel_bios.h
new file mode 100644
index 0000000..978ae4b
--- /dev/null
+++ b/drivers/gpu/drm/gma500/intel_bios.h
@@ -0,0 +1,621 @@
+/*
+ * Copyright (c) 2006 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifndef _INTEL_BIOS_H_
+#define _INTEL_BIOS_H_
+
+#include <drm/drmP.h>
+#include <drm/drm_dp_helper.h>
+
+struct vbt_header {
+ u8 signature[20]; /**< Always starts with 'VBT$' */
+ u16 version; /**< decimal */
+ u16 header_size; /**< in bytes */
+ u16 vbt_size; /**< in bytes */
+ u8 vbt_checksum;
+ u8 reserved0;
+ u32 bdb_offset; /**< from beginning of VBT */
+ u32 aim_offset[4]; /**< from beginning of VBT */
+} __attribute__((packed));
+
+
+struct bdb_header {
+ u8 signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
+ u16 version; /**< decimal */
+ u16 header_size; /**< in bytes */
+ u16 bdb_size; /**< in bytes */
+};
+
+/* strictly speaking, this is a "skip" block, but it has interesting info */
+struct vbios_data {
+ u8 type; /* 0 == desktop, 1 == mobile */
+ u8 relstage;
+ u8 chipset;
+ u8 lvds_present:1;
+ u8 tv_present:1;
+ u8 rsvd2:6; /* finish byte */
+ u8 rsvd3[4];
+ u8 signon[155];
+ u8 copyright[61];
+ u16 code_segment;
+ u8 dos_boot_mode;
+ u8 bandwidth_percent;
+ u8 rsvd4; /* popup memory size */
+ u8 resize_pci_bios;
+ u8 rsvd5; /* is crt already on ddc2 */
+} __attribute__((packed));
+
+/*
+ * There are several types of BIOS data blocks (BDBs), each block has
+ * an ID and size in the first 3 bytes (ID in first, size in next 2).
+ * Known types are listed below.
+ */
+#define BDB_GENERAL_FEATURES 1
+#define BDB_GENERAL_DEFINITIONS 2
+#define BDB_OLD_TOGGLE_LIST 3
+#define BDB_MODE_SUPPORT_LIST 4
+#define BDB_GENERIC_MODE_TABLE 5
+#define BDB_EXT_MMIO_REGS 6
+#define BDB_SWF_IO 7
+#define BDB_SWF_MMIO 8
+#define BDB_DOT_CLOCK_TABLE 9
+#define BDB_MODE_REMOVAL_TABLE 10
+#define BDB_CHILD_DEVICE_TABLE 11
+#define BDB_DRIVER_FEATURES 12
+#define BDB_DRIVER_PERSISTENCE 13
+#define BDB_EXT_TABLE_PTRS 14
+#define BDB_DOT_CLOCK_OVERRIDE 15
+#define BDB_DISPLAY_SELECT 16
+/* 17 rsvd */
+#define BDB_DRIVER_ROTATION 18
+#define BDB_DISPLAY_REMOVE 19
+#define BDB_OEM_CUSTOM 20
+#define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
+#define BDB_SDVO_LVDS_OPTIONS 22
+#define BDB_SDVO_PANEL_DTDS 23
+#define BDB_SDVO_LVDS_PNP_IDS 24
+#define BDB_SDVO_LVDS_POWER_SEQ 25
+#define BDB_TV_OPTIONS 26
+#define BDB_EDP 27
+#define BDB_LVDS_OPTIONS 40
+#define BDB_LVDS_LFP_DATA_PTRS 41
+#define BDB_LVDS_LFP_DATA 42
+#define BDB_LVDS_BACKLIGHT 43
+#define BDB_LVDS_POWER 44
+#define BDB_SKIP 254 /* VBIOS private block, ignore */
+
+struct bdb_general_features {
+ /* bits 1 */
+ u8 panel_fitting:2;
+ u8 flexaim:1;
+ u8 msg_enable:1;
+ u8 clear_screen:3;
+ u8 color_flip:1;
+
+ /* bits 2 */
+ u8 download_ext_vbt:1;
+ u8 enable_ssc:1;
+ u8 ssc_freq:1;
+ u8 enable_lfp_on_override:1;
+ u8 disable_ssc_ddt:1;
+ u8 rsvd8:3; /* finish byte */
+
+ /* bits 3 */
+ u8 disable_smooth_vision:1;
+ u8 single_dvi:1;
+ u8 rsvd9:6; /* finish byte */
+
+ /* bits 4 */
+ u8 legacy_monitor_detect;
+
+ /* bits 5 */
+ u8 int_crt_support:1;
+ u8 int_tv_support:1;
+ u8 int_efp_support:1;
+ u8 dp_ssc_enb:1; /* PCH attached eDP supports SSC */
+ u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
+ u8 rsvd11:3; /* finish byte */
+} __attribute__((packed));
+
+/* pre-915 */
+#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
+#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
+#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
+#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
+
+/* Pre 915 */
+#define DEVICE_TYPE_NONE 0x00
+#define DEVICE_TYPE_CRT 0x01
+#define DEVICE_TYPE_TV 0x09
+#define DEVICE_TYPE_EFP 0x12
+#define DEVICE_TYPE_LFP 0x22
+/* On 915+ */
+#define DEVICE_TYPE_CRT_DPMS 0x6001
+#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
+#define DEVICE_TYPE_TV_COMPOSITE 0x0209
+#define DEVICE_TYPE_TV_MACROVISION 0x0289
+#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
+#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
+#define DEVICE_TYPE_TV_SCART 0x0209
+#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
+#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
+#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
+#define DEVICE_TYPE_EFP_DVI_I 0x6053
+#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
+#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
+#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
+#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
+#define DEVICE_TYPE_LFP_PANELLINK 0x5012
+#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
+#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
+#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
+#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
+
+#define DEVICE_CFG_NONE 0x00
+#define DEVICE_CFG_12BIT_DVOB 0x01
+#define DEVICE_CFG_12BIT_DVOC 0x02
+#define DEVICE_CFG_24BIT_DVOBC 0x09
+#define DEVICE_CFG_24BIT_DVOCB 0x0a
+#define DEVICE_CFG_DUAL_DVOB 0x11
+#define DEVICE_CFG_DUAL_DVOC 0x12
+#define DEVICE_CFG_DUAL_DVOBC 0x13
+#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
+#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
+
+#define DEVICE_WIRE_NONE 0x00
+#define DEVICE_WIRE_DVOB 0x01
+#define DEVICE_WIRE_DVOC 0x02
+#define DEVICE_WIRE_DVOBC 0x03
+#define DEVICE_WIRE_DVOBB 0x05
+#define DEVICE_WIRE_DVOCC 0x06
+#define DEVICE_WIRE_DVOB_MASTER 0x0d
+#define DEVICE_WIRE_DVOC_MASTER 0x0e
+
+#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
+#define DEVICE_PORT_DVOB 0x01
+#define DEVICE_PORT_DVOC 0x02
+
+struct child_device_config {
+ u16 handle;
+ u16 device_type;
+ u8 device_id[10]; /* ascii string */
+ u16 addin_offset;
+ u8 dvo_port; /* See Device_PORT_* above */
+ u8 i2c_pin;
+ u8 slave_addr;
+ u8 ddc_pin;
+ u16 edid_ptr;
+ u8 dvo_cfg; /* See DEVICE_CFG_* above */
+ u8 dvo2_port;
+ u8 i2c2_pin;
+ u8 slave2_addr;
+ u8 ddc2_pin;
+ u8 capabilities;
+ u8 dvo_wiring;/* See DEVICE_WIRE_* above */
+ u8 dvo2_wiring;
+ u16 extended_type;
+ u8 dvo_function;
+} __attribute__((packed));
+
+
+struct bdb_general_definitions {
+ /* DDC GPIO */
+ u8 crt_ddc_gmbus_pin;
+
+ /* DPMS bits */
+ u8 dpms_acpi:1;
+ u8 skip_boot_crt_detect:1;
+ u8 dpms_aim:1;
+ u8 rsvd1:5; /* finish byte */
+
+ /* boot device bits */
+ u8 boot_display[2];
+ u8 child_dev_size;
+
+ /*
+ * Device info:
+ * If TV is present, it'll be at devices[0].
+ * LVDS will be next, either devices[0] or [1], if present.
+ * On some platforms the number of device is 6. But could be as few as
+ * 4 if both TV and LVDS are missing.
+ * And the device num is related with the size of general definition
+ * block. It is obtained by using the following formula:
+ * number = (block_size - sizeof(bdb_general_definitions))/
+ * sizeof(child_device_config);
+ */
+ struct child_device_config devices[0];
+};
+
+struct bdb_lvds_options {
+ u8 panel_type;
+ u8 rsvd1;
+ /* LVDS capabilities, stored in a dword */
+ u8 pfit_mode:2;
+ u8 pfit_text_mode_enhanced:1;
+ u8 pfit_gfx_mode_enhanced:1;
+ u8 pfit_ratio_auto:1;
+ u8 pixel_dither:1;
+ u8 lvds_edid:1;
+ u8 rsvd2:1;
+ u8 rsvd4;
+} __attribute__((packed));
+
+struct bdb_lvds_backlight {
+ u8 type:2;
+ u8 pol:1;
+ u8 gpio:3;
+ u8 gmbus:2;
+ u16 freq;
+ u8 minbrightness;
+ u8 i2caddr;
+ u8 brightnesscmd;
+ /*FIXME: more...*/
+} __attribute__((packed));
+
+/* LFP pointer table contains entries to the struct below */
+struct bdb_lvds_lfp_data_ptr {
+ u16 fp_timing_offset; /* offsets are from start of bdb */
+ u8 fp_table_size;
+ u16 dvo_timing_offset;
+ u8 dvo_table_size;
+ u16 panel_pnp_id_offset;
+ u8 pnp_table_size;
+} __attribute__((packed));
+
+struct bdb_lvds_lfp_data_ptrs {
+ u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
+ struct bdb_lvds_lfp_data_ptr ptr[16];
+} __attribute__((packed));
+
+/* LFP data has 3 blocks per entry */
+struct lvds_fp_timing {
+ u16 x_res;
+ u16 y_res;
+ u32 lvds_reg;
+ u32 lvds_reg_val;
+ u32 pp_on_reg;
+ u32 pp_on_reg_val;
+ u32 pp_off_reg;
+ u32 pp_off_reg_val;
+ u32 pp_cycle_reg;
+ u32 pp_cycle_reg_val;
+ u32 pfit_reg;
+ u32 pfit_reg_val;
+ u16 terminator;
+} __attribute__((packed));
+
+struct lvds_dvo_timing {
+ u16 clock; /**< In 10khz */
+ u8 hactive_lo;
+ u8 hblank_lo;
+ u8 hblank_hi:4;
+ u8 hactive_hi:4;
+ u8 vactive_lo;
+ u8 vblank_lo;
+ u8 vblank_hi:4;
+ u8 vactive_hi:4;
+ u8 hsync_off_lo;
+ u8 hsync_pulse_width;
+ u8 vsync_pulse_width:4;
+ u8 vsync_off:4;
+ u8 rsvd0:6;
+ u8 hsync_off_hi:2;
+ u8 h_image;
+ u8 v_image;
+ u8 max_hv;
+ u8 h_border;
+ u8 v_border;
+ u8 rsvd1:3;
+ u8 digital:2;
+ u8 vsync_positive:1;
+ u8 hsync_positive:1;
+ u8 rsvd2:1;
+} __attribute__((packed));
+
+struct lvds_pnp_id {
+ u16 mfg_name;
+ u16 product_code;
+ u32 serial;
+ u8 mfg_week;
+ u8 mfg_year;
+} __attribute__((packed));
+
+struct bdb_lvds_lfp_data_entry {
+ struct lvds_fp_timing fp_timing;
+ struct lvds_dvo_timing dvo_timing;
+ struct lvds_pnp_id pnp_id;
+} __attribute__((packed));
+
+struct bdb_lvds_lfp_data {
+ struct bdb_lvds_lfp_data_entry data[16];
+} __attribute__((packed));
+
+struct aimdb_header {
+ char signature[16];
+ char oem_device[20];
+ u16 aimdb_version;
+ u16 aimdb_header_size;
+ u16 aimdb_size;
+} __attribute__((packed));
+
+struct aimdb_block {
+ u8 aimdb_id;
+ u16 aimdb_size;
+} __attribute__((packed));
+
+struct vch_panel_data {
+ u16 fp_timing_offset;
+ u8 fp_timing_size;
+ u16 dvo_timing_offset;
+ u8 dvo_timing_size;
+ u16 text_fitting_offset;
+ u8 text_fitting_size;
+ u16 graphics_fitting_offset;
+ u8 graphics_fitting_size;
+} __attribute__((packed));
+
+struct vch_bdb_22 {
+ struct aimdb_block aimdb_block;
+ struct vch_panel_data panels[16];
+} __attribute__((packed));
+
+struct bdb_sdvo_lvds_options {
+ u8 panel_backlight;
+ u8 h40_set_panel_type;
+ u8 panel_type;
+ u8 ssc_clk_freq;
+ u16 als_low_trip;
+ u16 als_high_trip;
+ u8 sclalarcoeff_tab_row_num;
+ u8 sclalarcoeff_tab_row_size;
+ u8 coefficient[8];
+ u8 panel_misc_bits_1;
+ u8 panel_misc_bits_2;
+ u8 panel_misc_bits_3;
+ u8 panel_misc_bits_4;
+} __attribute__((packed));
+
+#define BDB_DRIVER_FEATURE_NO_LVDS 0
+#define BDB_DRIVER_FEATURE_INT_LVDS 1
+#define BDB_DRIVER_FEATURE_SDVO_LVDS 2
+#define BDB_DRIVER_FEATURE_EDP 3
+
+struct bdb_driver_features {
+ u8 boot_dev_algorithm:1;
+ u8 block_display_switch:1;
+ u8 allow_display_switch:1;
+ u8 hotplug_dvo:1;
+ u8 dual_view_zoom:1;
+ u8 int15h_hook:1;
+ u8 sprite_in_clone:1;
+ u8 primary_lfp_id:1;
+
+ u16 boot_mode_x;
+ u16 boot_mode_y;
+ u8 boot_mode_bpp;
+ u8 boot_mode_refresh;
+
+ u16 enable_lfp_primary:1;
+ u16 selective_mode_pruning:1;
+ u16 dual_frequency:1;
+ u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
+ u16 nt_clone_support:1;
+ u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
+ u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
+ u16 cui_aspect_scaling:1;
+ u16 preserve_aspect_ratio:1;
+ u16 sdvo_device_power_down:1;
+ u16 crt_hotplug:1;
+ u16 lvds_config:2;
+ u16 tv_hotplug:1;
+ u16 hdmi_config:2;
+
+ u8 static_display:1;
+ u8 reserved2:7;
+ u16 legacy_crt_max_x;
+ u16 legacy_crt_max_y;
+ u8 legacy_crt_max_refresh;
+
+ u8 hdmi_termination;
+ u8 custom_vbt_version;
+} __attribute__((packed));
+
+#define EDP_18BPP 0
+#define EDP_24BPP 1
+#define EDP_30BPP 2
+#define EDP_RATE_1_62 0
+#define EDP_RATE_2_7 1
+#define EDP_LANE_1 0
+#define EDP_LANE_2 1
+#define EDP_LANE_4 3
+#define EDP_PREEMPHASIS_NONE 0
+#define EDP_PREEMPHASIS_3_5dB 1
+#define EDP_PREEMPHASIS_6dB 2
+#define EDP_PREEMPHASIS_9_5dB 3
+#define EDP_VSWING_0_4V 0
+#define EDP_VSWING_0_6V 1
+#define EDP_VSWING_0_8V 2
+#define EDP_VSWING_1_2V 3
+
+struct edp_power_seq {
+ u16 t1_t3;
+ u16 t8;
+ u16 t9;
+ u16 t10;
+ u16 t11_t12;
+} __attribute__ ((packed));
+
+struct edp_link_params {
+ u8 rate:4;
+ u8 lanes:4;
+ u8 preemphasis:4;
+ u8 vswing:4;
+} __attribute__ ((packed));
+
+struct bdb_edp {
+ struct edp_power_seq power_seqs[16];
+ u32 color_depth;
+ u32 sdrrs_msa_timing_delay;
+ struct edp_link_params link_params[16];
+} __attribute__ ((packed));
+
+extern int psb_intel_init_bios(struct drm_device *dev);
+extern void psb_intel_destroy_bios(struct drm_device *dev);
+
+/*
+ * Driver<->VBIOS interaction occurs through scratch bits in
+ * GR18 & SWF*.
+ */
+
+/* GR18 bits are set on display switch and hotkey events */
+#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
+#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
+#define GR18_HK_NONE (0x0<<3)
+#define GR18_HK_LFP_STRETCH (0x1<<3)
+#define GR18_HK_TOGGLE_DISP (0x2<<3)
+#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
+#define GR18_HK_POPUP_DISABLED (0x6<<3)
+#define GR18_HK_POPUP_ENABLED (0x7<<3)
+#define GR18_HK_PFIT (0x8<<3)
+#define GR18_HK_APM_CHANGE (0xa<<3)
+#define GR18_HK_MULTIPLE (0xc<<3)
+#define GR18_USER_INT_EN (1<<2)
+#define GR18_A0000_FLUSH_EN (1<<1)
+#define GR18_SMM_EN (1<<0)
+
+/* Set by driver, cleared by VBIOS */
+#define SWF00_YRES_SHIFT 16
+#define SWF00_XRES_SHIFT 0
+#define SWF00_RES_MASK 0xffff
+
+/* Set by VBIOS at boot time and driver at runtime */
+#define SWF01_TV2_FORMAT_SHIFT 8
+#define SWF01_TV1_FORMAT_SHIFT 0
+#define SWF01_TV_FORMAT_MASK 0xffff
+
+#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
+#define SWF10_GTT_OVERRIDE_EN (1<<28)
+#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
+#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
+#define SWF10_OLD_TOGGLE 0x0
+#define SWF10_TOGGLE_LIST_1 0x1
+#define SWF10_TOGGLE_LIST_2 0x2
+#define SWF10_TOGGLE_LIST_3 0x3
+#define SWF10_TOGGLE_LIST_4 0x4
+#define SWF10_PANNING_EN (1<<23)
+#define SWF10_DRIVER_LOADED (1<<22)
+#define SWF10_EXTENDED_DESKTOP (1<<21)
+#define SWF10_EXCLUSIVE_MODE (1<<20)
+#define SWF10_OVERLAY_EN (1<<19)
+#define SWF10_PLANEB_HOLDOFF (1<<18)
+#define SWF10_PLANEA_HOLDOFF (1<<17)
+#define SWF10_VGA_HOLDOFF (1<<16)
+#define SWF10_ACTIVE_DISP_MASK 0xffff
+#define SWF10_PIPEB_LFP2 (1<<15)
+#define SWF10_PIPEB_EFP2 (1<<14)
+#define SWF10_PIPEB_TV2 (1<<13)
+#define SWF10_PIPEB_CRT2 (1<<12)
+#define SWF10_PIPEB_LFP (1<<11)
+#define SWF10_PIPEB_EFP (1<<10)
+#define SWF10_PIPEB_TV (1<<9)
+#define SWF10_PIPEB_CRT (1<<8)
+#define SWF10_PIPEA_LFP2 (1<<7)
+#define SWF10_PIPEA_EFP2 (1<<6)
+#define SWF10_PIPEA_TV2 (1<<5)
+#define SWF10_PIPEA_CRT2 (1<<4)
+#define SWF10_PIPEA_LFP (1<<3)
+#define SWF10_PIPEA_EFP (1<<2)
+#define SWF10_PIPEA_TV (1<<1)
+#define SWF10_PIPEA_CRT (1<<0)
+
+#define SWF11_MEMORY_SIZE_SHIFT 16
+#define SWF11_SV_TEST_EN (1<<15)
+#define SWF11_IS_AGP (1<<14)
+#define SWF11_DISPLAY_HOLDOFF (1<<13)
+#define SWF11_DPMS_REDUCED (1<<12)
+#define SWF11_IS_VBE_MODE (1<<11)
+#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
+#define SWF11_DPMS_MASK 0x07
+#define SWF11_DPMS_OFF (1<<2)
+#define SWF11_DPMS_SUSPEND (1<<1)
+#define SWF11_DPMS_STANDBY (1<<0)
+#define SWF11_DPMS_ON 0
+
+#define SWF14_GFX_PFIT_EN (1<<31)
+#define SWF14_TEXT_PFIT_EN (1<<30)
+#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
+#define SWF14_POPUP_EN (1<<28)
+#define SWF14_DISPLAY_HOLDOFF (1<<27)
+#define SWF14_DISP_DETECT_EN (1<<26)
+#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
+#define SWF14_DRIVER_STATUS (1<<24)
+#define SWF14_OS_TYPE_WIN9X (1<<23)
+#define SWF14_OS_TYPE_WINNT (1<<22)
+/* 21:19 rsvd */
+#define SWF14_PM_TYPE_MASK 0x00070000
+#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
+#define SWF14_PM_ACPI (0x3 << 16)
+#define SWF14_PM_APM_12 (0x2 << 16)
+#define SWF14_PM_APM_11 (0x1 << 16)
+#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
+ /* if GR18 indicates a display switch */
+#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
+#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
+#define SWF14_DS_PIPEB_TV2_EN (1<<13)
+#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
+#define SWF14_DS_PIPEB_LFP_EN (1<<11)
+#define SWF14_DS_PIPEB_EFP_EN (1<<10)
+#define SWF14_DS_PIPEB_TV_EN (1<<9)
+#define SWF14_DS_PIPEB_CRT_EN (1<<8)
+#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
+#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
+#define SWF14_DS_PIPEA_TV2_EN (1<<5)
+#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
+#define SWF14_DS_PIPEA_LFP_EN (1<<3)
+#define SWF14_DS_PIPEA_EFP_EN (1<<2)
+#define SWF14_DS_PIPEA_TV_EN (1<<1)
+#define SWF14_DS_PIPEA_CRT_EN (1<<0)
+ /* if GR18 indicates a panel fitting request */
+#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
+ /* if GR18 indicates an APM change request */
+#define SWF14_APM_HIBERNATE 0x4
+#define SWF14_APM_SUSPEND 0x3
+#define SWF14_APM_STANDBY 0x1
+#define SWF14_APM_RESTORE 0x0
+
+/* Add the device class for LFP, TV, HDMI */
+#define DEVICE_TYPE_INT_LFP 0x1022
+#define DEVICE_TYPE_INT_TV 0x1009
+#define DEVICE_TYPE_HDMI 0x60D2
+#define DEVICE_TYPE_DP 0x68C6
+#define DEVICE_TYPE_eDP 0x78C6
+
+/* define the DVO port for HDMI output type */
+#define DVO_B 1
+#define DVO_C 2
+#define DVO_D 3
+
+/* define the PORT for DP output type */
+#define PORT_IDPB 7
+#define PORT_IDPC 8
+#define PORT_IDPD 9
+
+#endif /* _INTEL_BIOS_H_ */
diff --git a/drivers/gpu/drm/gma500/intel_gmbus.c b/drivers/gpu/drm/gma500/intel_gmbus.c
new file mode 100644
index 0000000..566d330
--- /dev/null
+++ b/drivers/gpu/drm/gma500/intel_gmbus.c
@@ -0,0 +1,500 @@
+/*
+ * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright © 2006-2008,2010 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Chris Wilson <chris@chris-wilson.co.uk>
+ */
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <drm/drmP.h>
+#include "psb_intel_drv.h"
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+
+#define _wait_for(COND, MS, W) ({ \
+ unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \
+ int ret__ = 0; \
+ while (! (COND)) { \
+ if (time_after(jiffies, timeout__)) { \
+ ret__ = -ETIMEDOUT; \
+ break; \
+ } \
+ if (W && !(in_atomic() || in_dbg_master())) msleep(W); \
+ } \
+ ret__; \
+})
+
+#define wait_for(COND, MS) _wait_for(COND, MS, 1)
+#define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
+
+#define GMBUS_REG_READ(reg) ioread32(dev_priv->gmbus_reg + (reg))
+#define GMBUS_REG_WRITE(reg, val) iowrite32((val), dev_priv->gmbus_reg + (reg))
+
+/* Intel GPIO access functions */
+
+#define I2C_RISEFALL_TIME 20
+
+static inline struct intel_gmbus *
+to_intel_gmbus(struct i2c_adapter *i2c)
+{
+ return container_of(i2c, struct intel_gmbus, adapter);
+}
+
+struct intel_gpio {
+ struct i2c_adapter adapter;
+ struct i2c_algo_bit_data algo;
+ struct drm_psb_private *dev_priv;
+ u32 reg;
+};
+
+void
+gma_intel_i2c_reset(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ GMBUS_REG_WRITE(GMBUS0, 0);
+}
+
+static void intel_i2c_quirk_set(struct drm_psb_private *dev_priv, bool enable)
+{
+ /* When using bit bashing for I2C, this bit needs to be set to 1 */
+ /* FIXME: We are never Pineview, right?
+
+ u32 val;
+
+ if (!IS_PINEVIEW(dev_priv->dev))
+ return;
+
+ val = REG_READ(DSPCLK_GATE_D);
+ if (enable)
+ val |= DPCUNIT_CLOCK_GATE_DISABLE;
+ else
+ val &= ~DPCUNIT_CLOCK_GATE_DISABLE;
+ REG_WRITE(DSPCLK_GATE_D, val);
+
+ return;
+ */
+}
+
+static u32 get_reserved(struct intel_gpio *gpio)
+{
+ struct drm_psb_private *dev_priv = gpio->dev_priv;
+ u32 reserved = 0;
+
+ /* On most chips, these bits must be preserved in software. */
+ reserved = GMBUS_REG_READ(gpio->reg) &
+ (GPIO_DATA_PULLUP_DISABLE |
+ GPIO_CLOCK_PULLUP_DISABLE);
+
+ return reserved;
+}
+
+static int get_clock(void *data)
+{
+ struct intel_gpio *gpio = data;
+ struct drm_psb_private *dev_priv = gpio->dev_priv;
+ u32 reserved = get_reserved(gpio);
+ GMBUS_REG_WRITE(gpio->reg, reserved | GPIO_CLOCK_DIR_MASK);
+ GMBUS_REG_WRITE(gpio->reg, reserved);
+ return (GMBUS_REG_READ(gpio->reg) & GPIO_CLOCK_VAL_IN) != 0;
+}
+
+static int get_data(void *data)
+{
+ struct intel_gpio *gpio = data;
+ struct drm_psb_private *dev_priv = gpio->dev_priv;
+ u32 reserved = get_reserved(gpio);
+ GMBUS_REG_WRITE(gpio->reg, reserved | GPIO_DATA_DIR_MASK);
+ GMBUS_REG_WRITE(gpio->reg, reserved);
+ return (GMBUS_REG_READ(gpio->reg) & GPIO_DATA_VAL_IN) != 0;
+}
+
+static void set_clock(void *data, int state_high)
+{
+ struct intel_gpio *gpio = data;
+ struct drm_psb_private *dev_priv = gpio->dev_priv;
+ u32 reserved = get_reserved(gpio);
+ u32 clock_bits;
+
+ if (state_high)
+ clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK;
+ else
+ clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
+ GPIO_CLOCK_VAL_MASK;
+
+ GMBUS_REG_WRITE(gpio->reg, reserved | clock_bits);
+ GMBUS_REG_READ(gpio->reg); /* Posting */
+}
+
+static void set_data(void *data, int state_high)
+{
+ struct intel_gpio *gpio = data;
+ struct drm_psb_private *dev_priv = gpio->dev_priv;
+ u32 reserved = get_reserved(gpio);
+ u32 data_bits;
+
+ if (state_high)
+ data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK;
+ else
+ data_bits = GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
+ GPIO_DATA_VAL_MASK;
+
+ GMBUS_REG_WRITE(gpio->reg, reserved | data_bits);
+ GMBUS_REG_READ(gpio->reg);
+}
+
+static struct i2c_adapter *
+intel_gpio_create(struct drm_psb_private *dev_priv, u32 pin)
+{
+ static const int map_pin_to_reg[] = {
+ 0,
+ GPIOB,
+ GPIOA,
+ GPIOC,
+ GPIOD,
+ GPIOE,
+ 0,
+ GPIOF,
+ };
+ struct intel_gpio *gpio;
+
+ if (pin >= ARRAY_SIZE(map_pin_to_reg) || !map_pin_to_reg[pin])
+ return NULL;
+
+ gpio = kzalloc(sizeof(struct intel_gpio), GFP_KERNEL);
+ if (gpio == NULL)
+ return NULL;
+
+ gpio->reg = map_pin_to_reg[pin];
+ gpio->dev_priv = dev_priv;
+
+ snprintf(gpio->adapter.name, sizeof(gpio->adapter.name),
+ "gma500 GPIO%c", "?BACDE?F"[pin]);
+ gpio->adapter.owner = THIS_MODULE;
+ gpio->adapter.algo_data = &gpio->algo;
+ gpio->adapter.dev.parent = &dev_priv->dev->pdev->dev;
+ gpio->algo.setsda = set_data;
+ gpio->algo.setscl = set_clock;
+ gpio->algo.getsda = get_data;
+ gpio->algo.getscl = get_clock;
+ gpio->algo.udelay = I2C_RISEFALL_TIME;
+ gpio->algo.timeout = usecs_to_jiffies(2200);
+ gpio->algo.data = gpio;
+
+ if (i2c_bit_add_bus(&gpio->adapter))
+ goto out_free;
+
+ return &gpio->adapter;
+
+out_free:
+ kfree(gpio);
+ return NULL;
+}
+
+static int
+intel_i2c_quirk_xfer(struct drm_psb_private *dev_priv,
+ struct i2c_adapter *adapter,
+ struct i2c_msg *msgs,
+ int num)
+{
+ struct intel_gpio *gpio = container_of(adapter,
+ struct intel_gpio,
+ adapter);
+ int ret;
+
+ gma_intel_i2c_reset(dev_priv->dev);
+
+ intel_i2c_quirk_set(dev_priv, true);
+ set_data(gpio, 1);
+ set_clock(gpio, 1);
+ udelay(I2C_RISEFALL_TIME);
+
+ ret = adapter->algo->master_xfer(adapter, msgs, num);
+
+ set_data(gpio, 1);
+ set_clock(gpio, 1);
+ intel_i2c_quirk_set(dev_priv, false);
+
+ return ret;
+}
+
+static int
+gmbus_xfer(struct i2c_adapter *adapter,
+ struct i2c_msg *msgs,
+ int num)
+{
+ struct intel_gmbus *bus = container_of(adapter,
+ struct intel_gmbus,
+ adapter);
+ struct drm_psb_private *dev_priv = adapter->algo_data;
+ int i, reg_offset;
+
+ if (bus->force_bit)
+ return intel_i2c_quirk_xfer(dev_priv,
+ bus->force_bit, msgs, num);
+
+ reg_offset = 0;
+
+ GMBUS_REG_WRITE(GMBUS0 + reg_offset, bus->reg0);
+
+ for (i = 0; i < num; i++) {
+ u16 len = msgs[i].len;
+ u8 *buf = msgs[i].buf;
+
+ if (msgs[i].flags & I2C_M_RD) {
+ GMBUS_REG_WRITE(GMBUS1 + reg_offset,
+ GMBUS_CYCLE_WAIT |
+ (i + 1 == num ? GMBUS_CYCLE_STOP : 0) |
+ (len << GMBUS_BYTE_COUNT_SHIFT) |
+ (msgs[i].addr << GMBUS_SLAVE_ADDR_SHIFT) |
+ GMBUS_SLAVE_READ | GMBUS_SW_RDY);
+ GMBUS_REG_READ(GMBUS2+reg_offset);
+ do {
+ u32 val, loop = 0;
+
+ if (wait_for(GMBUS_REG_READ(GMBUS2 + reg_offset) &
+ (GMBUS_SATOER | GMBUS_HW_RDY), 50))
+ goto timeout;
+ if (GMBUS_REG_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
+ goto clear_err;
+
+ val = GMBUS_REG_READ(GMBUS3 + reg_offset);
+ do {
+ *buf++ = val & 0xff;
+ val >>= 8;
+ } while (--len && ++loop < 4);
+ } while (len);
+ } else {
+ u32 val, loop;
+
+ val = loop = 0;
+ do {
+ val |= *buf++ << (8 * loop);
+ } while (--len && ++loop < 4);
+
+ GMBUS_REG_WRITE(GMBUS3 + reg_offset, val);
+ GMBUS_REG_WRITE(GMBUS1 + reg_offset,
+ (i + 1 == num ? GMBUS_CYCLE_STOP : GMBUS_CYCLE_WAIT) |
+ (msgs[i].len << GMBUS_BYTE_COUNT_SHIFT) |
+ (msgs[i].addr << GMBUS_SLAVE_ADDR_SHIFT) |
+ GMBUS_SLAVE_WRITE | GMBUS_SW_RDY);
+ GMBUS_REG_READ(GMBUS2+reg_offset);
+
+ while (len) {
+ if (wait_for(GMBUS_REG_READ(GMBUS2 + reg_offset) &
+ (GMBUS_SATOER | GMBUS_HW_RDY), 50))
+ goto timeout;
+ if (GMBUS_REG_READ(GMBUS2 + reg_offset) &
+ GMBUS_SATOER)
+ goto clear_err;
+
+ val = loop = 0;
+ do {
+ val |= *buf++ << (8 * loop);
+ } while (--len && ++loop < 4);
+
+ GMBUS_REG_WRITE(GMBUS3 + reg_offset, val);
+ GMBUS_REG_READ(GMBUS2+reg_offset);
+ }
+ }
+
+ if (i + 1 < num && wait_for(GMBUS_REG_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_WAIT_PHASE), 50))
+ goto timeout;
+ if (GMBUS_REG_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
+ goto clear_err;
+ }
+
+ goto done;
+
+clear_err:
+ /* Toggle the Software Clear Interrupt bit. This has the effect
+ * of resetting the GMBUS controller and so clearing the
+ * BUS_ERROR raised by the slave's NAK.
+ */
+ GMBUS_REG_WRITE(GMBUS1 + reg_offset, GMBUS_SW_CLR_INT);
+ GMBUS_REG_WRITE(GMBUS1 + reg_offset, 0);
+
+done:
+ /* Mark the GMBUS interface as disabled. We will re-enable it at the
+ * start of the next xfer, till then let it sleep.
+ */
+ GMBUS_REG_WRITE(GMBUS0 + reg_offset, 0);
+ return i;
+
+timeout:
+ DRM_INFO("GMBUS timed out, falling back to bit banging on pin %d [%s]\n",
+ bus->reg0 & 0xff, bus->adapter.name);
+ GMBUS_REG_WRITE(GMBUS0 + reg_offset, 0);
+
+ /* Hardware may not support GMBUS over these pins? Try GPIO bitbanging instead. */
+ bus->force_bit = intel_gpio_create(dev_priv, bus->reg0 & 0xff);
+ if (!bus->force_bit)
+ return -ENOMEM;
+
+ return intel_i2c_quirk_xfer(dev_priv, bus->force_bit, msgs, num);
+}
+
+static u32 gmbus_func(struct i2c_adapter *adapter)
+{
+ struct intel_gmbus *bus = container_of(adapter,
+ struct intel_gmbus,
+ adapter);
+
+ if (bus->force_bit)
+ bus->force_bit->algo->functionality(bus->force_bit);
+
+ return (I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL |
+ /* I2C_FUNC_10BIT_ADDR | */
+ I2C_FUNC_SMBUS_READ_BLOCK_DATA |
+ I2C_FUNC_SMBUS_BLOCK_PROC_CALL);
+}
+
+static const struct i2c_algorithm gmbus_algorithm = {
+ .master_xfer = gmbus_xfer,
+ .functionality = gmbus_func
+};
+
+/**
+ * intel_gmbus_setup - instantiate all Intel i2c GMBuses
+ * @dev: DRM device
+ */
+int gma_intel_setup_gmbus(struct drm_device *dev)
+{
+ static const char *names[GMBUS_NUM_PORTS] = {
+ "disabled",
+ "ssc",
+ "vga",
+ "panel",
+ "dpc",
+ "dpb",
+ "reserved",
+ "dpd",
+ };
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret, i;
+
+ dev_priv->gmbus = kcalloc(GMBUS_NUM_PORTS, sizeof(struct intel_gmbus),
+ GFP_KERNEL);
+ if (dev_priv->gmbus == NULL)
+ return -ENOMEM;
+
+ if (IS_MRST(dev))
+ dev_priv->gmbus_reg = dev_priv->aux_reg;
+ else
+ dev_priv->gmbus_reg = dev_priv->vdc_reg;
+
+ for (i = 0; i < GMBUS_NUM_PORTS; i++) {
+ struct intel_gmbus *bus = &dev_priv->gmbus[i];
+
+ bus->adapter.owner = THIS_MODULE;
+ bus->adapter.class = I2C_CLASS_DDC;
+ snprintf(bus->adapter.name,
+ sizeof(bus->adapter.name),
+ "gma500 gmbus %s",
+ names[i]);
+
+ bus->adapter.dev.parent = &dev->pdev->dev;
+ bus->adapter.algo_data = dev_priv;
+
+ bus->adapter.algo = &gmbus_algorithm;
+ ret = i2c_add_adapter(&bus->adapter);
+ if (ret)
+ goto err;
+
+ /* By default use a conservative clock rate */
+ bus->reg0 = i | GMBUS_RATE_100KHZ;
+
+ /* XXX force bit banging until GMBUS is fully debugged */
+ bus->force_bit = intel_gpio_create(dev_priv, i);
+ }
+
+ gma_intel_i2c_reset(dev_priv->dev);
+
+ return 0;
+
+err:
+ while (--i) {
+ struct intel_gmbus *bus = &dev_priv->gmbus[i];
+ i2c_del_adapter(&bus->adapter);
+ }
+ kfree(dev_priv->gmbus);
+ dev_priv->gmbus = NULL;
+ return ret;
+}
+
+void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed)
+{
+ struct intel_gmbus *bus = to_intel_gmbus(adapter);
+
+ /* speed:
+ * 0x0 = 100 KHz
+ * 0x1 = 50 KHz
+ * 0x2 = 400 KHz
+ * 0x3 = 1000 Khz
+ */
+ bus->reg0 = (bus->reg0 & ~(0x3 << 8)) | (speed << 8);
+}
+
+void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit)
+{
+ struct intel_gmbus *bus = to_intel_gmbus(adapter);
+
+ if (force_bit) {
+ if (bus->force_bit == NULL) {
+ struct drm_psb_private *dev_priv = adapter->algo_data;
+ bus->force_bit = intel_gpio_create(dev_priv,
+ bus->reg0 & 0xff);
+ }
+ } else {
+ if (bus->force_bit) {
+ i2c_del_adapter(bus->force_bit);
+ kfree(bus->force_bit);
+ bus->force_bit = NULL;
+ }
+ }
+}
+
+void gma_intel_teardown_gmbus(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int i;
+
+ if (dev_priv->gmbus == NULL)
+ return;
+
+ for (i = 0; i < GMBUS_NUM_PORTS; i++) {
+ struct intel_gmbus *bus = &dev_priv->gmbus[i];
+ if (bus->force_bit) {
+ i2c_del_adapter(bus->force_bit);
+ kfree(bus->force_bit);
+ }
+ i2c_del_adapter(&bus->adapter);
+ }
+
+ dev_priv->gmbus_reg = NULL; /* iounmap is done in driver_unload */
+ kfree(dev_priv->gmbus);
+ dev_priv->gmbus = NULL;
+}
diff --git a/drivers/gpu/drm/gma500/intel_i2c.c b/drivers/gpu/drm/gma500/intel_i2c.c
new file mode 100644
index 0000000..98a28c2
--- /dev/null
+++ b/drivers/gpu/drm/gma500/intel_i2c.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+#include <linux/export.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+
+/*
+ * Intel GPIO access functions
+ */
+
+#define I2C_RISEFALL_TIME 20
+
+static int get_clock(void *data)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ struct drm_device *dev = chan->drm_dev;
+ u32 val;
+
+ val = REG_READ(chan->reg);
+ return (val & GPIO_CLOCK_VAL_IN) != 0;
+}
+
+static int get_data(void *data)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ struct drm_device *dev = chan->drm_dev;
+ u32 val;
+
+ val = REG_READ(chan->reg);
+ return (val & GPIO_DATA_VAL_IN) != 0;
+}
+
+static void set_clock(void *data, int state_high)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ struct drm_device *dev = chan->drm_dev;
+ u32 reserved = 0, clock_bits;
+
+ /* On most chips, these bits must be preserved in software. */
+ reserved =
+ REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
+ GPIO_CLOCK_PULLUP_DISABLE);
+
+ if (state_high)
+ clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK;
+ else
+ clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
+ GPIO_CLOCK_VAL_MASK;
+ REG_WRITE(chan->reg, reserved | clock_bits);
+ udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */
+}
+
+static void set_data(void *data, int state_high)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ struct drm_device *dev = chan->drm_dev;
+ u32 reserved = 0, data_bits;
+
+ /* On most chips, these bits must be preserved in software. */
+ reserved =
+ REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
+ GPIO_CLOCK_PULLUP_DISABLE);
+
+ if (state_high)
+ data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK;
+ else
+ data_bits =
+ GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
+ GPIO_DATA_VAL_MASK;
+
+ REG_WRITE(chan->reg, reserved | data_bits);
+ udelay(I2C_RISEFALL_TIME); /* wait for the line to change state */
+}
+
+/**
+ * psb_intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg
+ * @dev: DRM device
+ * @output: driver specific output device
+ * @reg: GPIO reg to use
+ * @name: name for this bus
+ *
+ * Creates and registers a new i2c bus with the Linux i2c layer, for use
+ * in output probing and control (e.g. DDC or SDVO control functions).
+ *
+ * Possible values for @reg include:
+ * %GPIOA
+ * %GPIOB
+ * %GPIOC
+ * %GPIOD
+ * %GPIOE
+ * %GPIOF
+ * %GPIOG
+ * %GPIOH
+ * see PRM for details on how these different busses are used.
+ */
+struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
+ const u32 reg, const char *name)
+{
+ struct psb_intel_i2c_chan *chan;
+
+ chan = kzalloc(sizeof(struct psb_intel_i2c_chan), GFP_KERNEL);
+ if (!chan)
+ goto out_free;
+
+ chan->drm_dev = dev;
+ chan->reg = reg;
+ snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name);
+ chan->adapter.owner = THIS_MODULE;
+ chan->adapter.algo_data = &chan->algo;
+ chan->adapter.dev.parent = &dev->pdev->dev;
+ chan->algo.setsda = set_data;
+ chan->algo.setscl = set_clock;
+ chan->algo.getsda = get_data;
+ chan->algo.getscl = get_clock;
+ chan->algo.udelay = 20;
+ chan->algo.timeout = usecs_to_jiffies(2200);
+ chan->algo.data = chan;
+
+ i2c_set_adapdata(&chan->adapter, chan);
+
+ if (i2c_bit_add_bus(&chan->adapter))
+ goto out_free;
+
+ /* JJJ: raise SCL and SDA? */
+ set_data(chan, 1);
+ set_clock(chan, 1);
+ udelay(20);
+
+ return chan;
+
+out_free:
+ kfree(chan);
+ return NULL;
+}
+
+/**
+ * psb_intel_i2c_destroy - unregister and free i2c bus resources
+ * @output: channel to free
+ *
+ * Unregister the adapter from the i2c layer, then free the structure.
+ */
+void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan)
+{
+ if (!chan)
+ return;
+
+ i2c_del_adapter(&chan->adapter);
+ kfree(chan);
+}
diff --git a/drivers/gpu/drm/gma500/mdfld_device.c b/drivers/gpu/drm/gma500/mdfld_device.c
new file mode 100644
index 0000000..265ad0d
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_device.c
@@ -0,0 +1,551 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include "psb_drv.h"
+#include "mid_bios.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_output.h"
+#include "tc35876x-dsi-lvds.h"
+
+#include <asm/intel_scu_ipc.h>
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+
+#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF
+#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */
+#define BLC_PWM_FREQ_CALC_CONSTANT 32
+#define MHz 1000000
+#define BRIGHTNESS_MIN_LEVEL 1
+#define BRIGHTNESS_MAX_LEVEL 100
+#define BRIGHTNESS_MASK 0xFF
+#define BLC_POLARITY_NORMAL 0
+#define BLC_POLARITY_INVERSE 1
+#define BLC_ADJUSTMENT_MAX 100
+
+#define MDFLD_BLC_PWM_PRECISION_FACTOR 10
+#define MDFLD_BLC_MAX_PWM_REG_FREQ 0xFFFE
+#define MDFLD_BLC_MIN_PWM_REG_FREQ 0x2
+
+#define MDFLD_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
+#define MDFLD_BACKLIGHT_PWM_CTL_SHIFT (16)
+
+static struct backlight_device *mdfld_backlight_device;
+
+int mdfld_set_brightness(struct backlight_device *bd)
+{
+ struct drm_device *dev =
+ (struct drm_device *)bl_get_data(mdfld_backlight_device);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int level = bd->props.brightness;
+
+ DRM_DEBUG_DRIVER("backlight level set to %d\n", level);
+
+ /* Perform value bounds checking */
+ if (level < BRIGHTNESS_MIN_LEVEL)
+ level = BRIGHTNESS_MIN_LEVEL;
+
+ if (gma_power_begin(dev, false)) {
+ u32 adjusted_level = 0;
+
+ /*
+ * Adjust the backlight level with the percent in
+ * dev_priv->blc_adj2
+ */
+ adjusted_level = level * dev_priv->blc_adj2;
+ adjusted_level = adjusted_level / BLC_ADJUSTMENT_MAX;
+ dev_priv->brightness_adjusted = adjusted_level;
+
+ if (mdfld_get_panel_type(dev, 0) == TC35876X) {
+ if (dev_priv->dpi_panel_on[0] ||
+ dev_priv->dpi_panel_on[2])
+ tc35876x_brightness_control(dev,
+ dev_priv->brightness_adjusted);
+ } else {
+ if (dev_priv->dpi_panel_on[0])
+ mdfld_dsi_brightness_control(dev, 0,
+ dev_priv->brightness_adjusted);
+ }
+
+ if (dev_priv->dpi_panel_on[2])
+ mdfld_dsi_brightness_control(dev, 2,
+ dev_priv->brightness_adjusted);
+ gma_power_end(dev);
+ }
+
+ /* cache the brightness for later use */
+ dev_priv->brightness = level;
+ return 0;
+}
+
+static int mdfld_get_brightness(struct backlight_device *bd)
+{
+ struct drm_device *dev =
+ (struct drm_device *)bl_get_data(mdfld_backlight_device);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ DRM_DEBUG_DRIVER("brightness = 0x%x \n", dev_priv->brightness);
+
+ /* return locally cached var instead of HW read (due to DPST etc.) */
+ return dev_priv->brightness;
+}
+
+static const struct backlight_ops mdfld_ops = {
+ .get_brightness = mdfld_get_brightness,
+ .update_status = mdfld_set_brightness,
+};
+
+static int device_backlight_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = (struct drm_psb_private *)
+ dev->dev_private;
+
+ dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
+ dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
+
+ return 0;
+}
+
+static int mdfld_backlight_init(struct drm_device *dev)
+{
+ struct backlight_properties props;
+ int ret = 0;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = BRIGHTNESS_MAX_LEVEL;
+ props.type = BACKLIGHT_PLATFORM;
+ mdfld_backlight_device = backlight_device_register("mdfld-bl",
+ NULL, (void *)dev, &mdfld_ops, &props);
+
+ if (IS_ERR(mdfld_backlight_device))
+ return PTR_ERR(mdfld_backlight_device);
+
+ ret = device_backlight_init(dev);
+ if (ret)
+ return ret;
+
+ mdfld_backlight_device->props.brightness = BRIGHTNESS_MAX_LEVEL;
+ mdfld_backlight_device->props.max_brightness = BRIGHTNESS_MAX_LEVEL;
+ backlight_update_status(mdfld_backlight_device);
+ return 0;
+}
+#endif
+
+struct backlight_device *mdfld_get_backlight_device(void)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ return mdfld_backlight_device;
+#else
+ return NULL;
+#endif
+}
+
+/*
+ * mdfld_save_display_registers
+ *
+ * Description: We are going to suspend so save current display
+ * register state.
+ *
+ * Notes: FIXME_JLIU7 need to add the support for DPI MIPI & HDMI audio
+ */
+static int mdfld_save_display_registers(struct drm_device *dev, int pipenum)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct medfield_state *regs = &dev_priv->regs.mdfld;
+ struct psb_pipe *pipe = &dev_priv->regs.pipe[pipenum];
+ const struct psb_offset *map = &dev_priv->regmap[pipenum];
+ int i;
+ u32 *mipi_val;
+
+ /* register */
+ u32 mipi_reg = MIPI;
+
+ switch (pipenum) {
+ case 0:
+ mipi_val = ®s->saveMIPI;
+ break;
+ case 1:
+ mipi_val = ®s->saveMIPI;
+ break;
+ case 2:
+ /* register */
+ mipi_reg = MIPI_C;
+ /* pointer to values */
+ mipi_val = ®s->saveMIPI_C;
+ break;
+ default:
+ DRM_ERROR("%s, invalid pipe number.\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Pipe & plane A info */
+ pipe->dpll = PSB_RVDC32(map->dpll);
+ pipe->fp0 = PSB_RVDC32(map->fp0);
+ pipe->conf = PSB_RVDC32(map->conf);
+ pipe->htotal = PSB_RVDC32(map->htotal);
+ pipe->hblank = PSB_RVDC32(map->hblank);
+ pipe->hsync = PSB_RVDC32(map->hsync);
+ pipe->vtotal = PSB_RVDC32(map->vtotal);
+ pipe->vblank = PSB_RVDC32(map->vblank);
+ pipe->vsync = PSB_RVDC32(map->vsync);
+ pipe->src = PSB_RVDC32(map->src);
+ pipe->stride = PSB_RVDC32(map->stride);
+ pipe->linoff = PSB_RVDC32(map->linoff);
+ pipe->tileoff = PSB_RVDC32(map->tileoff);
+ pipe->size = PSB_RVDC32(map->size);
+ pipe->pos = PSB_RVDC32(map->pos);
+ pipe->surf = PSB_RVDC32(map->surf);
+ pipe->cntr = PSB_RVDC32(map->cntr);
+ pipe->status = PSB_RVDC32(map->status);
+
+ /*save palette (gamma) */
+ for (i = 0; i < 256; i++)
+ pipe->palette[i] = PSB_RVDC32(map->palette + (i << 2));
+
+ if (pipenum == 1) {
+ regs->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
+ regs->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
+
+ regs->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
+ regs->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
+ return 0;
+ }
+
+ *mipi_val = PSB_RVDC32(mipi_reg);
+ return 0;
+}
+
+/*
+ * mdfld_restore_display_registers
+ *
+ * Description: We are going to resume so restore display register state.
+ *
+ * Notes: FIXME_JLIU7 need to add the support for DPI MIPI & HDMI audio
+ */
+static int mdfld_restore_display_registers(struct drm_device *dev, int pipenum)
+{
+ /* To get panel out of ULPS mode. */
+ u32 temp = 0;
+ u32 device_ready_reg = DEVICE_READY_REG;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct mdfld_dsi_config *dsi_config = NULL;
+ struct medfield_state *regs = &dev_priv->regs.mdfld;
+ struct psb_pipe *pipe = &dev_priv->regs.pipe[pipenum];
+ const struct psb_offset *map = &dev_priv->regmap[pipenum];
+ u32 i;
+ u32 dpll;
+ u32 timeout = 0;
+
+ /* register */
+ u32 mipi_reg = MIPI;
+
+ /* values */
+ u32 dpll_val = pipe->dpll;
+ u32 mipi_val = regs->saveMIPI;
+
+ switch (pipenum) {
+ case 0:
+ dpll_val &= ~DPLL_VCO_ENABLE;
+ dsi_config = dev_priv->dsi_configs[0];
+ break;
+ case 1:
+ dpll_val &= ~DPLL_VCO_ENABLE;
+ break;
+ case 2:
+ mipi_reg = MIPI_C;
+ mipi_val = regs->saveMIPI_C;
+ dsi_config = dev_priv->dsi_configs[1];
+ break;
+ default:
+ DRM_ERROR("%s, invalid pipe number.\n", __func__);
+ return -EINVAL;
+ }
+
+ /*make sure VGA plane is off. it initializes to on after reset!*/
+ PSB_WVDC32(0x80000000, VGACNTRL);
+
+ if (pipenum == 1) {
+ PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, map->dpll);
+ PSB_RVDC32(map->dpll);
+
+ PSB_WVDC32(pipe->fp0, map->fp0);
+ } else {
+
+ dpll = PSB_RVDC32(map->dpll);
+
+ if (!(dpll & DPLL_VCO_ENABLE)) {
+
+ /* When ungating power of DPLL, needs to wait 0.5us
+ before enable the VCO */
+ if (dpll & MDFLD_PWR_GATE_EN) {
+ dpll &= ~MDFLD_PWR_GATE_EN;
+ PSB_WVDC32(dpll, map->dpll);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+ }
+
+ PSB_WVDC32(pipe->fp0, map->fp0);
+ PSB_WVDC32(dpll_val, map->dpll);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+
+ dpll_val |= DPLL_VCO_ENABLE;
+ PSB_WVDC32(dpll_val, map->dpll);
+ PSB_RVDC32(map->dpll);
+
+ /* wait for DSI PLL to lock */
+ while (timeout < 20000 &&
+ !(PSB_RVDC32(map->conf) & PIPECONF_DSIPLL_LOCK)) {
+ udelay(150);
+ timeout++;
+ }
+
+ if (timeout == 20000) {
+ DRM_ERROR("%s, can't lock DSIPLL.\n",
+ __func__);
+ return -EINVAL;
+ }
+ }
+ }
+ /* Restore mode */
+ PSB_WVDC32(pipe->htotal, map->htotal);
+ PSB_WVDC32(pipe->hblank, map->hblank);
+ PSB_WVDC32(pipe->hsync, map->hsync);
+ PSB_WVDC32(pipe->vtotal, map->vtotal);
+ PSB_WVDC32(pipe->vblank, map->vblank);
+ PSB_WVDC32(pipe->vsync, map->vsync);
+ PSB_WVDC32(pipe->src, map->src);
+ PSB_WVDC32(pipe->status, map->status);
+
+ /*set up the plane*/
+ PSB_WVDC32(pipe->stride, map->stride);
+ PSB_WVDC32(pipe->linoff, map->linoff);
+ PSB_WVDC32(pipe->tileoff, map->tileoff);
+ PSB_WVDC32(pipe->size, map->size);
+ PSB_WVDC32(pipe->pos, map->pos);
+ PSB_WVDC32(pipe->surf, map->surf);
+
+ if (pipenum == 1) {
+ /* restore palette (gamma) */
+ /*DRM_UDELAY(50000); */
+ for (i = 0; i < 256; i++)
+ PSB_WVDC32(pipe->palette[i], map->palette + (i << 2));
+
+ PSB_WVDC32(regs->savePFIT_CONTROL, PFIT_CONTROL);
+ PSB_WVDC32(regs->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
+
+ /*TODO: resume HDMI port */
+
+ /*TODO: resume pipe*/
+
+ /*enable the plane*/
+ PSB_WVDC32(pipe->cntr & ~DISPLAY_PLANE_ENABLE, map->cntr);
+
+ return 0;
+ }
+
+ /*set up pipe related registers*/
+ PSB_WVDC32(mipi_val, mipi_reg);
+
+ /*setup MIPI adapter + MIPI IP registers*/
+ if (dsi_config)
+ mdfld_dsi_controller_init(dsi_config, pipenum);
+
+ if (in_atomic() || in_interrupt())
+ mdelay(20);
+ else
+ msleep(20);
+
+ /*enable the plane*/
+ PSB_WVDC32(pipe->cntr, map->cntr);
+
+ if (in_atomic() || in_interrupt())
+ mdelay(20);
+ else
+ msleep(20);
+
+ /* LP Hold Release */
+ temp = REG_READ(mipi_reg);
+ temp |= LP_OUTPUT_HOLD_RELEASE;
+ REG_WRITE(mipi_reg, temp);
+ mdelay(1);
+
+
+ /* Set DSI host to exit from Utra Low Power State */
+ temp = REG_READ(device_ready_reg);
+ temp &= ~ULPS_MASK;
+ temp |= 0x3;
+ temp |= EXIT_ULPS_DEV_READY;
+ REG_WRITE(device_ready_reg, temp);
+ mdelay(1);
+
+ temp = REG_READ(device_ready_reg);
+ temp &= ~ULPS_MASK;
+ temp |= EXITING_ULPS;
+ REG_WRITE(device_ready_reg, temp);
+ mdelay(1);
+
+ /*enable the pipe*/
+ PSB_WVDC32(pipe->conf, map->conf);
+
+ /* restore palette (gamma) */
+ /*DRM_UDELAY(50000); */
+ for (i = 0; i < 256; i++)
+ PSB_WVDC32(pipe->palette[i], map->palette + (i << 2));
+
+ return 0;
+}
+
+static int mdfld_save_registers(struct drm_device *dev)
+{
+ /* mdfld_save_cursor_overlay_registers(dev); */
+ mdfld_save_display_registers(dev, 0);
+ mdfld_save_display_registers(dev, 2);
+ mdfld_disable_crtc(dev, 0);
+ mdfld_disable_crtc(dev, 2);
+
+ return 0;
+}
+
+static int mdfld_restore_registers(struct drm_device *dev)
+{
+ mdfld_restore_display_registers(dev, 2);
+ mdfld_restore_display_registers(dev, 0);
+ /* mdfld_restore_cursor_overlay_registers(dev); */
+
+ return 0;
+}
+
+static int mdfld_power_down(struct drm_device *dev)
+{
+ /* FIXME */
+ return 0;
+}
+
+static int mdfld_power_up(struct drm_device *dev)
+{
+ /* FIXME */
+ return 0;
+}
+
+/* Medfield */
+static const struct psb_offset mdfld_regmap[3] = {
+ {
+ .fp0 = MRST_FPA0,
+ .fp1 = MRST_FPA1,
+ .cntr = DSPACNTR,
+ .conf = PIPEACONF,
+ .src = PIPEASRC,
+ .dpll = MRST_DPLL_A,
+ .htotal = HTOTAL_A,
+ .hblank = HBLANK_A,
+ .hsync = HSYNC_A,
+ .vtotal = VTOTAL_A,
+ .vblank = VBLANK_A,
+ .vsync = VSYNC_A,
+ .stride = DSPASTRIDE,
+ .size = DSPASIZE,
+ .pos = DSPAPOS,
+ .surf = DSPASURF,
+ .addr = MRST_DSPABASE,
+ .status = PIPEASTAT,
+ .linoff = DSPALINOFF,
+ .tileoff = DSPATILEOFF,
+ .palette = PALETTE_A,
+ },
+ {
+ .fp0 = MDFLD_DPLL_DIV0,
+ .cntr = DSPBCNTR,
+ .conf = PIPEBCONF,
+ .src = PIPEBSRC,
+ .dpll = MDFLD_DPLL_B,
+ .htotal = HTOTAL_B,
+ .hblank = HBLANK_B,
+ .hsync = HSYNC_B,
+ .vtotal = VTOTAL_B,
+ .vblank = VBLANK_B,
+ .vsync = VSYNC_B,
+ .stride = DSPBSTRIDE,
+ .size = DSPBSIZE,
+ .pos = DSPBPOS,
+ .surf = DSPBSURF,
+ .addr = MRST_DSPBBASE,
+ .status = PIPEBSTAT,
+ .linoff = DSPBLINOFF,
+ .tileoff = DSPBTILEOFF,
+ .palette = PALETTE_B,
+ },
+ {
+ .fp0 = MRST_FPA0, /* This is what the old code did ?? */
+ .cntr = DSPCCNTR,
+ .conf = PIPECCONF,
+ .src = PIPECSRC,
+ /* No DPLL_C */
+ .dpll = MRST_DPLL_A,
+ .htotal = HTOTAL_C,
+ .hblank = HBLANK_C,
+ .hsync = HSYNC_C,
+ .vtotal = VTOTAL_C,
+ .vblank = VBLANK_C,
+ .vsync = VSYNC_C,
+ .stride = DSPCSTRIDE,
+ .size = DSPBSIZE,
+ .pos = DSPCPOS,
+ .surf = DSPCSURF,
+ .addr = MDFLD_DSPCBASE,
+ .status = PIPECSTAT,
+ .linoff = DSPCLINOFF,
+ .tileoff = DSPCTILEOFF,
+ .palette = PALETTE_C,
+ },
+};
+
+static int mdfld_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ if (pci_enable_msi(dev->pdev))
+ dev_warn(dev->dev, "Enabling MSI failed!\n");
+ dev_priv->regmap = mdfld_regmap;
+ return mid_chip_setup(dev);
+}
+
+const struct psb_ops mdfld_chip_ops = {
+ .name = "mdfld",
+ .accel_2d = 0,
+ .pipes = 3,
+ .crtcs = 3,
+ .lvds_mask = (1 << 1),
+ .hdmi_mask = (1 << 1),
+ .cursor_needs_phys = 0,
+ .sgx_offset = MRST_SGX_OFFSET,
+
+ .chip_setup = mdfld_chip_setup,
+ .crtc_helper = &mdfld_helper_funcs,
+ .crtc_funcs = &psb_intel_crtc_funcs,
+
+ .output_init = mdfld_output_init,
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ .backlight_init = mdfld_backlight_init,
+#endif
+
+ .save_regs = mdfld_save_registers,
+ .restore_regs = mdfld_restore_registers,
+ .power_down = mdfld_power_down,
+ .power_up = mdfld_power_up,
+};
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
new file mode 100644
index 0000000..d4813e0
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
@@ -0,0 +1,1016 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "psb_drv.h"
+#include "tc35876x-dsi-lvds.h"
+
+static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
+ int pipe);
+
+static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
+{
+ u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) &&
+ (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
+ udelay(100);
+ timeout++;
+ }
+
+ if (timeout == 20000)
+ DRM_INFO("MIPI: HS Data FIFO was never cleared!\n");
+}
+
+static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
+{
+ u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg)
+ & DSI_FIFO_GEN_HS_CTRL_FULL)) {
+ udelay(100);
+ timeout++;
+ }
+ if (timeout == 20000)
+ DRM_INFO("MIPI: HS CMD FIFO was never cleared!\n");
+}
+
+static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
+{
+ u32 gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) &
+ DPI_FIFO_EMPTY) != DPI_FIFO_EMPTY)) {
+ udelay(100);
+ timeout++;
+ }
+
+ if (timeout == 20000)
+ DRM_ERROR("MIPI: DPI FIFO was never cleared\n");
+}
+
+static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
+{
+ u32 intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
+ int timeout = 0;
+
+ udelay(500);
+
+ /* This will time out after approximately 2+ seconds */
+ while ((timeout < 20000) && (!(REG_READ(intr_stat_reg)
+ & DSI_INTR_STATE_SPL_PKG_SENT))) {
+ udelay(100);
+ timeout++;
+ }
+
+ if (timeout == 20000)
+ DRM_ERROR("MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
+}
+
+/* For TC35876X */
+
+static void dsi_set_device_ready_state(struct drm_device *dev, int state,
+ int pipe)
+{
+ REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), !!state, 0, 0);
+}
+
+static void dsi_set_pipe_plane_enable_state(struct drm_device *dev,
+ int state, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pipeconf_reg = PIPEACONF;
+ u32 dspcntr_reg = DSPACNTR;
+
+ u32 dspcntr = dev_priv->dspcntr[pipe];
+ u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
+
+ if (pipe) {
+ pipeconf_reg = PIPECCONF;
+ dspcntr_reg = DSPCCNTR;
+ } else
+ mipi &= (~0x03);
+
+ if (state) {
+ /*Set up pipe */
+ REG_WRITE(pipeconf_reg, BIT(31));
+
+ if (REG_BIT_WAIT(pipeconf_reg, 1, 30))
+ dev_err(&dev->pdev->dev, "%s: Pipe enable timeout\n",
+ __func__);
+
+ /*Set up display plane */
+ REG_WRITE(dspcntr_reg, dspcntr);
+ } else {
+ u32 dspbase_reg = pipe ? MDFLD_DSPCBASE : MRST_DSPABASE;
+
+ /* Put DSI lanes to ULPS to disable pipe */
+ REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 2, 2, 1);
+ REG_READ(MIPI_DEVICE_READY_REG(pipe)); /* posted write? */
+
+ /* LP Hold */
+ REG_FLD_MOD(MIPI_PORT_CONTROL(pipe), 0, 16, 16);
+ REG_READ(MIPI_PORT_CONTROL(pipe)); /* posted write? */
+
+ /* Disable display plane */
+ REG_FLD_MOD(dspcntr_reg, 0, 31, 31);
+
+ /* Flush the plane changes ??? posted write? */
+ REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
+ REG_READ(dspbase_reg);
+
+ /* Disable PIPE */
+ REG_FLD_MOD(pipeconf_reg, 0, 31, 31);
+
+ if (REG_BIT_WAIT(pipeconf_reg, 0, 30))
+ dev_err(&dev->pdev->dev, "%s: Pipe disable timeout\n",
+ __func__);
+
+ if (REG_BIT_WAIT(MIPI_GEN_FIFO_STAT_REG(pipe), 1, 28))
+ dev_err(&dev->pdev->dev, "%s: FIFO not empty\n",
+ __func__);
+ }
+}
+
+static void mdfld_dsi_configure_down(struct mdfld_dsi_encoder *dsi_encoder,
+ int pipe)
+{
+ struct mdfld_dsi_dpi_output *dpi_output =
+ MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_encoder_get_config(dsi_encoder);
+ struct drm_device *dev = dsi_config->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (!dev_priv->dpi_panel_on[pipe]) {
+ dev_err(dev->dev, "DPI panel is already off\n");
+ return;
+ }
+ tc35876x_toshiba_bridge_panel_off(dev);
+ tc35876x_set_bridge_reset_state(dev, 1);
+ dsi_set_pipe_plane_enable_state(dev, 0, pipe);
+ mdfld_dsi_dpi_shut_down(dpi_output, pipe);
+ dsi_set_device_ready_state(dev, 0, pipe);
+}
+
+static void mdfld_dsi_configure_up(struct mdfld_dsi_encoder *dsi_encoder,
+ int pipe)
+{
+ struct mdfld_dsi_dpi_output *dpi_output =
+ MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_encoder_get_config(dsi_encoder);
+ struct drm_device *dev = dsi_config->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->dpi_panel_on[pipe]) {
+ dev_err(dev->dev, "DPI panel is already on\n");
+ return;
+ }
+
+ /* For resume path sequence */
+ mdfld_dsi_dpi_shut_down(dpi_output, pipe);
+ dsi_set_device_ready_state(dev, 0, pipe);
+
+ dsi_set_device_ready_state(dev, 1, pipe);
+ tc35876x_set_bridge_reset_state(dev, 0);
+ tc35876x_configure_lvds_bridge(dev);
+ mdfld_dsi_dpi_turn_on(dpi_output, pipe); /* Send turn on command */
+ dsi_set_pipe_plane_enable_state(dev, 1, pipe);
+}
+/* End for TC35876X */
+
+/* ************************************************************************* *\
+ * FUNCTION: mdfld_dsi_tpo_ic_init
+ *
+ * DESCRIPTION: This function is called only by mrst_dsi_mode_set and
+ * restore_display_registers. since this function does not
+ * acquire the mutex, it is important that the calling function
+ * does!
+\* ************************************************************************* */
+static void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+ u32 dcsChannelNumber = dsi_config->channel_num;
+ u32 gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
+ u32 gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
+ u32 gen_ctrl_val = GEN_LONG_WRITE;
+
+ DRM_INFO("Enter mrst init TPO MIPI display.\n");
+
+ gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
+
+ /* Flip page order */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00008036);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
+
+ /* 0xF0 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x005a5af0);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* Write protection key */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x005a5af1);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* 0xFC */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x005a5afc);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* 0xB7 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x770000b7);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000044);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
+
+ /* 0xB6 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000a0ab6);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+
+ /* 0xF2 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x081010f2);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x4a070708);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000000c5);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
+
+ /* 0xF8 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x024003f8);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x01030a04);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x0e020220);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000004);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
+
+ /* 0xE2 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x398fc3e2);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x0000916f);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
+
+ /* 0xB0 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000000b0);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
+
+ /* 0xF4 */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x240242f4);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x78ee2002);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2a071050);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x507fee10);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x10300710);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
+
+ /* 0xBA */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x19fe07ba);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x101c0a31);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000010);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
+
+ /* 0xBB */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x28ff07bb);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x24280a31);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000034);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
+
+ /* 0xFB */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x535d05fb);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1b1a2130);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x221e180e);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x131d2120);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x535d0508);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1c1a2131);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x231f160d);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x111b2220);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x535c2008);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1f1d2433);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2c251a10);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2c34372d);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000023);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
+
+ /* 0xFA */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x525c0bfa);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1c1c232f);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x2623190e);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x18212625);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x545d0d0e);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1e1d2333);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x26231a10);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x1a222725);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x545d280f);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x21202635);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x31292013);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x31393d33);
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x00000029);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
+
+ /* Set DM */
+ mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
+ REG_WRITE(gen_data_reg, 0x000100f7);
+ mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
+ REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
+}
+
+static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count,
+ int num_lane, int bpp)
+{
+ return (u16)((pixel_clock_count * bpp) / (num_lane * 8));
+}
+
+/*
+ * Calculate the dpi time basing on a given drm mode @mode
+ * return 0 on success.
+ * FIXME: I was using proposed mode value for calculation, may need to
+ * use crtc mode values later
+ */
+int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
+ struct mdfld_dsi_dpi_timing *dpi_timing,
+ int num_lane, int bpp)
+{
+ int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive;
+ int pclk_vsync, pclk_vfp, pclk_vbp;
+
+ pclk_hactive = mode->hdisplay;
+ pclk_hfp = mode->hsync_start - mode->hdisplay;
+ pclk_hsync = mode->hsync_end - mode->hsync_start;
+ pclk_hbp = mode->htotal - mode->hsync_end;
+
+ pclk_vfp = mode->vsync_start - mode->vdisplay;
+ pclk_vsync = mode->vsync_end - mode->vsync_start;
+ pclk_vbp = mode->vtotal - mode->vsync_end;
+
+ /*
+ * byte clock counts were calculated by following formula
+ * bclock_count = pclk_count * bpp / num_lane / 8
+ */
+ dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_hsync, num_lane, bpp);
+ dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_hbp, num_lane, bpp);
+ dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_hfp, num_lane, bpp);
+ dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_hactive, num_lane, bpp);
+ dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_vsync, num_lane, bpp);
+ dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_vbp, num_lane, bpp);
+ dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(
+ pclk_vfp, num_lane, bpp);
+
+ return 0;
+}
+
+void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
+ int pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+ int lane_count = dsi_config->lane_count;
+ struct mdfld_dsi_dpi_timing dpi_timing;
+ struct drm_display_mode *mode = dsi_config->mode;
+ u32 val;
+
+ /*un-ready device*/
+ REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 0, 0, 0);
+
+ /*init dsi adapter before kicking off*/
+ REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
+
+ /*enable all interrupts*/
+ REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
+
+ /*set up func_prg*/
+ val = lane_count;
+ val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
+
+ switch (dsi_config->bpp) {
+ case 16:
+ val |= DSI_DPI_COLOR_FORMAT_RGB565;
+ break;
+ case 18:
+ val |= DSI_DPI_COLOR_FORMAT_RGB666;
+ break;
+ case 24:
+ val |= DSI_DPI_COLOR_FORMAT_RGB888;
+ break;
+ default:
+ DRM_ERROR("unsupported color format, bpp = %d\n",
+ dsi_config->bpp);
+ }
+ REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), val);
+
+ REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe),
+ (mode->vtotal * mode->htotal * dsi_config->bpp /
+ (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
+ REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe),
+ 0xffff & DSI_LP_RX_TIMEOUT_MASK);
+
+ /*max value: 20 clock cycles of txclkesc*/
+ REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe),
+ 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
+
+ /*min 21 txclkesc, max: ffffh*/
+ REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe),
+ 0xffff & DSI_RESET_TIMER_MASK);
+
+ REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
+ mode->vdisplay << 16 | mode->hdisplay);
+
+ /*set DPI timing registers*/
+ mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
+ dsi_config->lane_count, dsi_config->bpp);
+
+ REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
+ dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
+ dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
+ dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
+ dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
+ dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
+ dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
+ dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
+
+ REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x46);
+
+ /*min: 7d0 max: 4e20*/
+ REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0x000007d0);
+
+ /*set up video mode*/
+ val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
+ REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), val);
+
+ REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
+
+ REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
+
+ /*TODO: figure out how to setup these registers*/
+ if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
+ else
+ REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150c3408);
+
+ REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
+
+ if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
+
+ /*set device ready*/
+ REG_FLD_MOD(MIPI_DEVICE_READY_REG(pipe), 1, 0, 0);
+}
+
+void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe)
+{
+ struct drm_device *dev = output->dev;
+
+ /* clear special packet sent bit */
+ if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
+ REG_WRITE(MIPI_INTR_STAT_REG(pipe),
+ DSI_INTR_STATE_SPL_PKG_SENT);
+
+ /*send turn on package*/
+ REG_WRITE(MIPI_DPI_CONTROL_REG(pipe), DSI_DPI_CTRL_HS_TURN_ON);
+
+ /*wait for SPL_PKG_SENT interrupt*/
+ mdfld_wait_for_SPL_PKG_SENT(dev, pipe);
+
+ if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
+ REG_WRITE(MIPI_INTR_STAT_REG(pipe),
+ DSI_INTR_STATE_SPL_PKG_SENT);
+
+ output->panel_on = 1;
+
+ /* FIXME the following is disabled to WA the X slow start issue
+ for TMD panel
+ if (pipe == 2)
+ dev_priv->dpi_panel_on2 = true;
+ else if (pipe == 0)
+ dev_priv->dpi_panel_on = true; */
+}
+
+static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output,
+ int pipe)
+{
+ struct drm_device *dev = output->dev;
+
+ /*if output is on, or mode setting didn't happen, ignore this*/
+ if ((!output->panel_on) || output->first_boot) {
+ output->first_boot = 0;
+ return;
+ }
+
+ /* Wait for dpi fifo to empty */
+ mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe);
+
+ /* Clear the special packet interrupt bit if set */
+ if (REG_READ(MIPI_INTR_STAT_REG(pipe)) & DSI_INTR_STATE_SPL_PKG_SENT)
+ REG_WRITE(MIPI_INTR_STAT_REG(pipe),
+ DSI_INTR_STATE_SPL_PKG_SENT);
+
+ if (REG_READ(MIPI_DPI_CONTROL_REG(pipe)) == DSI_DPI_CTRL_HS_SHUTDOWN)
+ goto shutdown_out;
+
+ REG_WRITE(MIPI_DPI_CONTROL_REG(pipe), DSI_DPI_CTRL_HS_SHUTDOWN);
+
+shutdown_out:
+ output->panel_on = 0;
+ output->first_boot = 0;
+
+ /* FIXME the following is disabled to WA the X slow start issue
+ for TMD panel
+ if (pipe == 2)
+ dev_priv->dpi_panel_on2 = false;
+ else if (pipe == 0)
+ dev_priv->dpi_panel_on = false; */
+}
+
+static void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
+{
+ struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
+ struct mdfld_dsi_dpi_output *dpi_output =
+ MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_encoder_get_config(dsi_encoder);
+ int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
+ struct drm_device *dev = dsi_config->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /*start up display island if it was shutdown*/
+ if (!gma_power_begin(dev, true))
+ return;
+
+ if (on) {
+ if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
+ mdfld_dsi_dpi_turn_on(dpi_output, pipe);
+ else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ mdfld_dsi_configure_up(dsi_encoder, pipe);
+ else {
+ /*enable mipi port*/
+ REG_WRITE(MIPI_PORT_CONTROL(pipe),
+ REG_READ(MIPI_PORT_CONTROL(pipe)) | BIT(31));
+ REG_READ(MIPI_PORT_CONTROL(pipe));
+
+ mdfld_dsi_dpi_turn_on(dpi_output, pipe);
+ mdfld_dsi_tpo_ic_init(dsi_config, pipe);
+ }
+ dev_priv->dpi_panel_on[pipe] = true;
+ } else {
+ if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
+ mdfld_dsi_dpi_shut_down(dpi_output, pipe);
+ else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ mdfld_dsi_configure_down(dsi_encoder, pipe);
+ else {
+ mdfld_dsi_dpi_shut_down(dpi_output, pipe);
+
+ /*disable mipi port*/
+ REG_WRITE(MIPI_PORT_CONTROL(pipe),
+ REG_READ(MIPI_PORT_CONTROL(pipe)) & ~BIT(31));
+ REG_READ(MIPI_PORT_CONTROL(pipe));
+ }
+ dev_priv->dpi_panel_on[pipe] = false;
+ }
+ gma_power_end(dev);
+}
+
+void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
+{
+ mdfld_dsi_dpi_set_power(encoder, mode == DRM_MODE_DPMS_ON);
+}
+
+bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_encoder_get_config(dsi_encoder);
+ struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
+
+ if (fixed_mode) {
+ adjusted_mode->hdisplay = fixed_mode->hdisplay;
+ adjusted_mode->hsync_start = fixed_mode->hsync_start;
+ adjusted_mode->hsync_end = fixed_mode->hsync_end;
+ adjusted_mode->htotal = fixed_mode->htotal;
+ adjusted_mode->vdisplay = fixed_mode->vdisplay;
+ adjusted_mode->vsync_start = fixed_mode->vsync_start;
+ adjusted_mode->vsync_end = fixed_mode->vsync_end;
+ adjusted_mode->vtotal = fixed_mode->vtotal;
+ adjusted_mode->clock = fixed_mode->clock;
+ drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+ }
+ return true;
+}
+
+void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder)
+{
+ mdfld_dsi_dpi_set_power(encoder, false);
+}
+
+void mdfld_dsi_dpi_commit(struct drm_encoder *encoder)
+{
+ mdfld_dsi_dpi_set_power(encoder, true);
+}
+
+/* For TC35876X */
+/* This functionality was implemented in FW in iCDK */
+/* But removed in DV0 and later. So need to add here. */
+static void mipi_set_properties(struct mdfld_dsi_config *dsi_config, int pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+
+ REG_WRITE(MIPI_CTRL_REG(pipe), 0x00000018);
+ REG_WRITE(MIPI_INTR_EN_REG(pipe), 0xffffffff);
+ REG_WRITE(MIPI_HS_TX_TIMEOUT_REG(pipe), 0xffffff);
+ REG_WRITE(MIPI_LP_RX_TIMEOUT_REG(pipe), 0xffffff);
+ REG_WRITE(MIPI_TURN_AROUND_TIMEOUT_REG(pipe), 0x14);
+ REG_WRITE(MIPI_DEVICE_RESET_TIMER_REG(pipe), 0xff);
+ REG_WRITE(MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe), 0x25);
+ REG_WRITE(MIPI_INIT_COUNT_REG(pipe), 0xf0);
+ REG_WRITE(MIPI_EOT_DISABLE_REG(pipe), 0x00000000);
+ REG_WRITE(MIPI_LP_BYTECLK_REG(pipe), 0x00000004);
+ REG_WRITE(MIPI_DBI_BW_CTRL_REG(pipe), 0x00000820);
+ REG_WRITE(MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe), (0xa << 16) | 0x14);
+}
+
+static void mdfld_mipi_set_video_timing(struct mdfld_dsi_config *dsi_config,
+ int pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+ struct mdfld_dsi_dpi_timing dpi_timing;
+ struct drm_display_mode *mode = dsi_config->mode;
+
+ mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing,
+ dsi_config->lane_count,
+ dsi_config->bpp);
+
+ REG_WRITE(MIPI_DPI_RESOLUTION_REG(pipe),
+ mode->vdisplay << 16 | mode->hdisplay);
+ REG_WRITE(MIPI_HSYNC_COUNT_REG(pipe),
+ dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_HBP_COUNT_REG(pipe),
+ dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_HFP_COUNT_REG(pipe),
+ dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_HACTIVE_COUNT_REG(pipe),
+ dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_VSYNC_COUNT_REG(pipe),
+ dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_VBP_COUNT_REG(pipe),
+ dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
+ REG_WRITE(MIPI_VFP_COUNT_REG(pipe),
+ dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
+}
+
+static void mdfld_mipi_config(struct mdfld_dsi_config *dsi_config, int pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+ int lane_count = dsi_config->lane_count;
+
+ if (pipe) {
+ REG_WRITE(MIPI_PORT_CONTROL(0), 0x00000002);
+ REG_WRITE(MIPI_PORT_CONTROL(2), 0x80000000);
+ } else {
+ REG_WRITE(MIPI_PORT_CONTROL(0), 0x80010000);
+ REG_WRITE(MIPI_PORT_CONTROL(2), 0x00);
+ }
+
+ REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x150A600F);
+ REG_WRITE(MIPI_VIDEO_MODE_FORMAT_REG(pipe), 0x0000000F);
+
+ /* lane_count = 3 */
+ REG_WRITE(MIPI_DSI_FUNC_PRG_REG(pipe), 0x00000200 | lane_count);
+
+ mdfld_mipi_set_video_timing(dsi_config, pipe);
+}
+
+static void mdfld_set_pipe_timing(struct mdfld_dsi_config *dsi_config, int pipe)
+{
+ struct drm_device *dev = dsi_config->dev;
+ struct drm_display_mode *mode = dsi_config->mode;
+
+ REG_WRITE(HTOTAL_A, ((mode->htotal - 1) << 16) | (mode->hdisplay - 1));
+ REG_WRITE(HBLANK_A, ((mode->htotal - 1) << 16) | (mode->hdisplay - 1));
+ REG_WRITE(HSYNC_A,
+ ((mode->hsync_end - 1) << 16) | (mode->hsync_start - 1));
+
+ REG_WRITE(VTOTAL_A, ((mode->vtotal - 1) << 16) | (mode->vdisplay - 1));
+ REG_WRITE(VBLANK_A, ((mode->vtotal - 1) << 16) | (mode->vdisplay - 1));
+ REG_WRITE(VSYNC_A,
+ ((mode->vsync_end - 1) << 16) | (mode->vsync_start - 1));
+
+ REG_WRITE(PIPEASRC,
+ ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+}
+/* End for TC35876X */
+
+void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct mdfld_dsi_encoder *dsi_encoder = mdfld_dsi_encoder(encoder);
+ struct mdfld_dsi_dpi_output *dpi_output =
+ MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_encoder_get_config(dsi_encoder);
+ struct drm_device *dev = dsi_config->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
+
+ u32 pipeconf_reg = PIPEACONF;
+ u32 dspcntr_reg = DSPACNTR;
+
+ u32 pipeconf = dev_priv->pipeconf[pipe];
+ u32 dspcntr = dev_priv->dspcntr[pipe];
+ u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
+
+ if (pipe) {
+ pipeconf_reg = PIPECCONF;
+ dspcntr_reg = DSPCCNTR;
+ } else {
+ if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ mipi &= (~0x03); /* Use all four lanes */
+ else
+ mipi |= 2;
+ }
+
+ /*start up display island if it was shutdown*/
+ if (!gma_power_begin(dev, true))
+ return;
+
+ if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
+ /*
+ * The following logic is required to reset the bridge and
+ * configure. This also starts the DSI clock at 200MHz.
+ */
+ tc35876x_set_bridge_reset_state(dev, 0); /*Pull High Reset */
+ tc35876x_toshiba_bridge_panel_on(dev);
+ udelay(100);
+ /* Now start the DSI clock */
+ REG_WRITE(MRST_DPLL_A, 0x00);
+ REG_WRITE(MRST_FPA0, 0xC1);
+ REG_WRITE(MRST_DPLL_A, 0x00800000);
+ udelay(500);
+ REG_WRITE(MRST_DPLL_A, 0x80800000);
+
+ if (REG_BIT_WAIT(pipeconf_reg, 1, 29))
+ dev_err(&dev->pdev->dev, "%s: DSI PLL lock timeout\n",
+ __func__);
+
+ REG_WRITE(MIPI_DPHY_PARAM_REG(pipe), 0x2A0c6008);
+
+ mipi_set_properties(dsi_config, pipe);
+ mdfld_mipi_config(dsi_config, pipe);
+ mdfld_set_pipe_timing(dsi_config, pipe);
+
+ REG_WRITE(DSPABASE, 0x00);
+ REG_WRITE(DSPASIZE,
+ ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+
+ REG_WRITE(DSPACNTR, 0x98000000);
+ REG_WRITE(DSPASURF, 0x00);
+
+ REG_WRITE(VGACNTRL, 0x80000000);
+ REG_WRITE(DEVICE_READY_REG, 0x00000001);
+
+ REG_WRITE(MIPI_PORT_CONTROL(pipe), 0x80810000);
+ } else {
+ /*set up mipi port FIXME: do at init time */
+ REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi);
+ }
+ REG_READ(MIPI_PORT_CONTROL(pipe));
+
+ if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
+ /* NOP */
+ } else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
+ /* set up DSI controller DPI interface */
+ mdfld_dsi_dpi_controller_init(dsi_config, pipe);
+
+ /* Configure MIPI Bridge and Panel */
+ tc35876x_configure_lvds_bridge(dev);
+ dev_priv->dpi_panel_on[pipe] = true;
+ } else {
+ /*turn on DPI interface*/
+ mdfld_dsi_dpi_turn_on(dpi_output, pipe);
+ }
+
+ /*set up pipe*/
+ REG_WRITE(pipeconf_reg, pipeconf);
+ REG_READ(pipeconf_reg);
+
+ /*set up display plane*/
+ REG_WRITE(dspcntr_reg, dspcntr);
+ REG_READ(dspcntr_reg);
+
+ msleep(20); /* FIXME: this should wait for vblank */
+
+ if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
+ /* NOP */
+ } else if (mdfld_get_panel_type(dev, pipe) == TC35876X) {
+ mdfld_dsi_dpi_turn_on(dpi_output, pipe);
+ } else {
+ /* init driver ic */
+ mdfld_dsi_tpo_ic_init(dsi_config, pipe);
+ /*init backlight*/
+ mdfld_dsi_brightness_init(dsi_config, pipe);
+ }
+
+ gma_power_end(dev);
+}
+
+/*
+ * Init DSI DPI encoder.
+ * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
+ * return pointer of newly allocated DPI encoder, NULL on error
+ */
+struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
+ struct mdfld_dsi_connector *dsi_connector,
+ const struct panel_funcs *p_funcs)
+{
+ struct mdfld_dsi_dpi_output *dpi_output = NULL;
+ struct mdfld_dsi_config *dsi_config;
+ struct drm_connector *connector = NULL;
+ struct drm_encoder *encoder = NULL;
+ int pipe;
+ u32 data;
+ int ret;
+
+ pipe = dsi_connector->pipe;
+
+ if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
+ dsi_config = mdfld_dsi_get_config(dsi_connector);
+
+ /* panel hard-reset */
+ if (p_funcs->reset) {
+ ret = p_funcs->reset(pipe);
+ if (ret) {
+ DRM_ERROR("Panel %d hard-reset failed\n", pipe);
+ return NULL;
+ }
+ }
+
+ /* panel drvIC init */
+ if (p_funcs->drv_ic_init)
+ p_funcs->drv_ic_init(dsi_config, pipe);
+
+ /* panel power mode detect */
+ ret = mdfld_dsi_get_power_mode(dsi_config, &data, false);
+ if (ret) {
+ DRM_ERROR("Panel %d get power mode failed\n", pipe);
+ dsi_connector->status = connector_status_disconnected;
+ } else {
+ DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
+ dsi_connector->status = connector_status_connected;
+ }
+ }
+
+ dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
+ if (!dpi_output) {
+ DRM_ERROR("No memory\n");
+ return NULL;
+ }
+
+ if (dsi_connector->pipe)
+ dpi_output->panel_on = 0;
+ else
+ dpi_output->panel_on = 0;
+
+ dpi_output->dev = dev;
+ if (mdfld_get_panel_type(dev, pipe) != TC35876X)
+ dpi_output->p_funcs = p_funcs;
+ dpi_output->first_boot = 1;
+
+ /*get fixed mode*/
+ dsi_config = mdfld_dsi_get_config(dsi_connector);
+
+ /*create drm encoder object*/
+ connector = &dsi_connector->base.base;
+ encoder = &dpi_output->base.base.base;
+ drm_encoder_init(dev,
+ encoder,
+ p_funcs->encoder_funcs,
+ DRM_MODE_ENCODER_LVDS);
+ drm_encoder_helper_add(encoder,
+ p_funcs->encoder_helper_funcs);
+
+ /*attach to given connector*/
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ /*set possible crtcs and clones*/
+ if (dsi_connector->pipe) {
+ encoder->possible_crtcs = (1 << 2);
+ encoder->possible_clones = (1 << 1);
+ } else {
+ encoder->possible_crtcs = (1 << 0);
+ encoder->possible_clones = (1 << 0);
+ }
+
+ dsi_connector->base.encoder = &dpi_output->base.base;
+
+ return &dpi_output->base;
+}
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.h b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.h
new file mode 100644
index 0000000..2b40663
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#ifndef __MDFLD_DSI_DPI_H__
+#define __MDFLD_DSI_DPI_H__
+
+#include "mdfld_dsi_output.h"
+#include "mdfld_output.h"
+
+struct mdfld_dsi_dpi_timing {
+ u16 hsync_count;
+ u16 hbp_count;
+ u16 hfp_count;
+ u16 hactive_count;
+ u16 vsync_count;
+ u16 vbp_count;
+ u16 vfp_count;
+};
+
+struct mdfld_dsi_dpi_output {
+ struct mdfld_dsi_encoder base;
+ struct drm_device *dev;
+
+ int panel_on;
+ int first_boot;
+
+ const struct panel_funcs *p_funcs;
+};
+
+#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder)\
+ container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base)
+
+/* Export functions */
+extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
+ struct mdfld_dsi_dpi_timing *dpi_timing,
+ int num_lane, int bpp);
+extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
+ struct mdfld_dsi_connector *dsi_connector,
+ const struct panel_funcs *p_funcs);
+
+/* MDFLD DPI helper functions */
+extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode);
+extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder);
+extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder);
+extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output,
+ int pipe);
+extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config,
+ int pipe);
+#endif /*__MDFLD_DSI_DPI_H__*/
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
new file mode 100644
index 0000000..89f705c
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
@@ -0,0 +1,614 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#include <linux/module.h>
+
+#include "mdfld_dsi_output.h"
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "tc35876x-dsi-lvds.h"
+#include <linux/pm_runtime.h>
+#include <asm/intel_scu_ipc.h>
+
+/* get the LABC from command line. */
+static int LABC_control = 1;
+
+#ifdef MODULE
+module_param(LABC_control, int, 0644);
+#else
+
+static int __init parse_LABC_control(char *arg)
+{
+ /* LABC control can be passed in as a cmdline parameter */
+ /* to enable this feature add LABC=1 to cmdline */
+ /* to disable this feature add LABC=0 to cmdline */
+ if (!arg)
+ return -EINVAL;
+
+ if (!strcasecmp(arg, "0"))
+ LABC_control = 0;
+ else if (!strcasecmp(arg, "1"))
+ LABC_control = 1;
+
+ return 0;
+}
+early_param("LABC", parse_LABC_control);
+#endif
+
+/**
+ * Check and see if the generic control or data buffer is empty and ready.
+ */
+void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, u32 gen_fifo_stat_reg,
+ u32 fifo_stat)
+{
+ u32 GEN_BF_time_out_count;
+
+ /* Check MIPI Adatper command registers */
+ for (GEN_BF_time_out_count = 0;
+ GEN_BF_time_out_count < GEN_FB_TIME_OUT;
+ GEN_BF_time_out_count++) {
+ if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
+ break;
+ udelay(100);
+ }
+
+ if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
+ DRM_ERROR("mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x.\n",
+ gen_fifo_stat_reg);
+}
+
+/**
+ * Manage the DSI MIPI keyboard and display brightness.
+ * FIXME: this is exported to OSPM code. should work out an specific
+ * display interface to OSPM.
+ */
+
+void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
+{
+ struct mdfld_dsi_pkg_sender *sender =
+ mdfld_dsi_get_pkg_sender(dsi_config);
+ struct drm_device *dev;
+ struct drm_psb_private *dev_priv;
+ u32 gen_ctrl_val;
+
+ if (!sender) {
+ DRM_ERROR("No sender found\n");
+ return;
+ }
+
+ dev = sender->dev;
+ dev_priv = dev->dev_private;
+
+ /* Set default display backlight value to 85% (0xd8)*/
+ mdfld_dsi_send_mcs_short(sender, write_display_brightness, 0xd8, 1,
+ true);
+
+ /* Set minimum brightness setting of CABC function to 20% (0x33)*/
+ mdfld_dsi_send_mcs_short(sender, write_cabc_min_bright, 0x33, 1, true);
+
+ /* Enable backlight or/and LABC */
+ gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON |
+ BACKLIGHT_ON;
+ if (LABC_control == 1)
+ gen_ctrl_val |= DISPLAY_DIMMING_ON | DISPLAY_BRIGHTNESS_AUTO
+ | GAMMA_AUTO;
+
+ if (LABC_control == 1)
+ gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
+
+ dev_priv->mipi_ctrl_display = gen_ctrl_val;
+
+ mdfld_dsi_send_mcs_short(sender, write_ctrl_display, (u8)gen_ctrl_val,
+ 1, true);
+
+ mdfld_dsi_send_mcs_short(sender, write_ctrl_cabc, UI_IMAGE, 1, true);
+}
+
+void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
+{
+ struct mdfld_dsi_pkg_sender *sender;
+ struct drm_psb_private *dev_priv;
+ struct mdfld_dsi_config *dsi_config;
+ u32 gen_ctrl_val = 0;
+ int p_type = TMD_VID;
+
+ if (!dev || (pipe != 0 && pipe != 2)) {
+ DRM_ERROR("Invalid parameter\n");
+ return;
+ }
+
+ p_type = mdfld_get_panel_type(dev, 0);
+
+ dev_priv = dev->dev_private;
+
+ if (pipe)
+ dsi_config = dev_priv->dsi_configs[1];
+ else
+ dsi_config = dev_priv->dsi_configs[0];
+
+ sender = mdfld_dsi_get_pkg_sender(dsi_config);
+
+ if (!sender) {
+ DRM_ERROR("No sender found\n");
+ return;
+ }
+
+ gen_ctrl_val = (level * 0xff / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
+
+ dev_dbg(sender->dev->dev, "pipe = %d, gen_ctrl_val = %d.\n",
+ pipe, gen_ctrl_val);
+
+ if (p_type == TMD_VID) {
+ /* Set display backlight value */
+ mdfld_dsi_send_mcs_short(sender, tmd_write_display_brightness,
+ (u8)gen_ctrl_val, 1, true);
+ } else {
+ /* Set display backlight value */
+ mdfld_dsi_send_mcs_short(sender, write_display_brightness,
+ (u8)gen_ctrl_val, 1, true);
+
+ /* Enable backlight control */
+ if (level == 0)
+ gen_ctrl_val = 0;
+ else
+ gen_ctrl_val = dev_priv->mipi_ctrl_display;
+
+ mdfld_dsi_send_mcs_short(sender, write_ctrl_display,
+ (u8)gen_ctrl_val, 1, true);
+ }
+}
+
+static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
+ u8 dcs, u32 *data, bool hs)
+{
+ struct mdfld_dsi_pkg_sender *sender
+ = mdfld_dsi_get_pkg_sender(dsi_config);
+
+ if (!sender || !data) {
+ DRM_ERROR("Invalid parameter\n");
+ return -EINVAL;
+ }
+
+ return mdfld_dsi_read_mcs(sender, dcs, data, 1, hs);
+}
+
+int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, u32 *mode,
+ bool hs)
+{
+ if (!dsi_config || !mode) {
+ DRM_ERROR("Invalid parameter\n");
+ return -EINVAL;
+ }
+
+ return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, hs);
+}
+
+/*
+ * NOTE: this function was used by OSPM.
+ * TODO: will be removed later, should work out display interfaces for OSPM
+ */
+void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
+{
+ if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
+ DRM_ERROR("Invalid parameters\n");
+ return;
+ }
+
+ mdfld_dsi_dpi_controller_init(dsi_config, pipe);
+}
+
+static void mdfld_dsi_connector_save(struct drm_connector *connector)
+{
+}
+
+static void mdfld_dsi_connector_restore(struct drm_connector *connector)
+{
+}
+
+/* FIXME: start using the force parameter */
+static enum drm_connector_status
+mdfld_dsi_connector_detect(struct drm_connector *connector, bool force)
+{
+ struct mdfld_dsi_connector *dsi_connector
+ = mdfld_dsi_connector(connector);
+
+ dsi_connector->status = connector_status_connected;
+
+ return dsi_connector->status;
+}
+
+static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value)
+{
+ struct drm_encoder *encoder = connector->encoder;
+
+ if (!strcmp(property->name, "scaling mode") && encoder) {
+ struct gma_crtc *gma_crtc = to_gma_crtc(encoder->crtc);
+ bool centerechange;
+ uint64_t val;
+
+ if (!gma_crtc)
+ goto set_prop_error;
+
+ switch (value) {
+ case DRM_MODE_SCALE_FULLSCREEN:
+ break;
+ case DRM_MODE_SCALE_NO_SCALE:
+ break;
+ case DRM_MODE_SCALE_ASPECT:
+ break;
+ default:
+ goto set_prop_error;
+ }
+
+ if (drm_object_property_get_value(&connector->base, property, &val))
+ goto set_prop_error;
+
+ if (val == value)
+ goto set_prop_done;
+
+ if (drm_object_property_set_value(&connector->base,
+ property, value))
+ goto set_prop_error;
+
+ centerechange = (val == DRM_MODE_SCALE_NO_SCALE) ||
+ (value == DRM_MODE_SCALE_NO_SCALE);
+
+ if (gma_crtc->saved_mode.hdisplay != 0 &&
+ gma_crtc->saved_mode.vdisplay != 0) {
+ if (centerechange) {
+ if (!drm_crtc_helper_set_mode(encoder->crtc,
+ &gma_crtc->saved_mode,
+ encoder->crtc->x,
+ encoder->crtc->y,
+ encoder->crtc->primary->fb))
+ goto set_prop_error;
+ } else {
+ const struct drm_encoder_helper_funcs *funcs =
+ encoder->helper_private;
+ funcs->mode_set(encoder,
+ &gma_crtc->saved_mode,
+ &gma_crtc->saved_adjusted_mode);
+ }
+ }
+ } else if (!strcmp(property->name, "backlight") && encoder) {
+ if (drm_object_property_set_value(&connector->base, property,
+ value))
+ goto set_prop_error;
+ else
+ gma_backlight_set(encoder->dev, value);
+ }
+set_prop_done:
+ return 0;
+set_prop_error:
+ return -1;
+}
+
+static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
+{
+ struct mdfld_dsi_connector *dsi_connector =
+ mdfld_dsi_connector(connector);
+ struct mdfld_dsi_pkg_sender *sender;
+
+ if (!dsi_connector)
+ return;
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ sender = dsi_connector->pkg_sender;
+ mdfld_dsi_pkg_sender_destroy(sender);
+ kfree(dsi_connector);
+}
+
+static int mdfld_dsi_connector_get_modes(struct drm_connector *connector)
+{
+ struct mdfld_dsi_connector *dsi_connector =
+ mdfld_dsi_connector(connector);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_get_config(dsi_connector);
+ struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
+ struct drm_display_mode *dup_mode = NULL;
+ struct drm_device *dev = connector->dev;
+
+ connector->display_info.min_vfreq = 0;
+ connector->display_info.max_vfreq = 200;
+ connector->display_info.min_hfreq = 0;
+ connector->display_info.max_hfreq = 200;
+
+ if (fixed_mode) {
+ dev_dbg(dev->dev, "fixed_mode %dx%d\n",
+ fixed_mode->hdisplay, fixed_mode->vdisplay);
+ dup_mode = drm_mode_duplicate(dev, fixed_mode);
+ drm_mode_probed_add(connector, dup_mode);
+ return 1;
+ }
+ DRM_ERROR("Didn't get any modes!\n");
+ return 0;
+}
+
+static int mdfld_dsi_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct mdfld_dsi_connector *dsi_connector =
+ mdfld_dsi_connector(connector);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_get_config(dsi_connector);
+ struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ return MODE_NO_INTERLACE;
+
+ /**
+ * FIXME: current DC has no fitting unit, reject any mode setting
+ * request
+ * Will figure out a way to do up-scaling(pannel fitting) later.
+ **/
+ if (fixed_mode) {
+ if (mode->hdisplay != fixed_mode->hdisplay)
+ return MODE_PANEL;
+
+ if (mode->vdisplay != fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+
+ return MODE_OK;
+}
+
+static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode)
+{
+ if (mode == connector->dpms)
+ return;
+
+ /*first, execute dpms*/
+
+ drm_helper_connector_dpms(connector, mode);
+}
+
+static struct drm_encoder *mdfld_dsi_connector_best_encoder(
+ struct drm_connector *connector)
+{
+ struct mdfld_dsi_connector *dsi_connector =
+ mdfld_dsi_connector(connector);
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_get_config(dsi_connector);
+ return &dsi_config->encoder->base.base;
+}
+
+/*DSI connector funcs*/
+static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
+ .dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms,
+ .save = mdfld_dsi_connector_save,
+ .restore = mdfld_dsi_connector_restore,
+ .detect = mdfld_dsi_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = mdfld_dsi_connector_set_property,
+ .destroy = mdfld_dsi_connector_destroy,
+};
+
+/*DSI connector helper funcs*/
+static const struct drm_connector_helper_funcs
+ mdfld_dsi_connector_helper_funcs = {
+ .get_modes = mdfld_dsi_connector_get_modes,
+ .mode_valid = mdfld_dsi_connector_mode_valid,
+ .best_encoder = mdfld_dsi_connector_best_encoder,
+};
+
+static int mdfld_dsi_get_default_config(struct drm_device *dev,
+ struct mdfld_dsi_config *config, int pipe)
+{
+ if (!dev || !config) {
+ DRM_ERROR("Invalid parameters");
+ return -EINVAL;
+ }
+
+ config->bpp = 24;
+ if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ config->lane_count = 4;
+ else
+ config->lane_count = 2;
+ config->channel_num = 0;
+
+ if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
+ config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
+ else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
+ config->video_mode =
+ MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS;
+ else
+ config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
+
+ return 0;
+}
+
+int mdfld_dsi_panel_reset(int pipe)
+{
+ unsigned gpio;
+ int ret = 0;
+
+ switch (pipe) {
+ case 0:
+ gpio = 128;
+ break;
+ case 2:
+ gpio = 34;
+ break;
+ default:
+ DRM_ERROR("Invalid output\n");
+ return -EINVAL;
+ }
+
+ ret = gpio_request(gpio, "gfx");
+ if (ret) {
+ DRM_ERROR("gpio_rqueset failed\n");
+ return ret;
+ }
+
+ ret = gpio_direction_output(gpio, 1);
+ if (ret) {
+ DRM_ERROR("gpio_direction_output failed\n");
+ goto gpio_error;
+ }
+
+ gpio_get_value(128);
+
+gpio_error:
+ if (gpio_is_valid(gpio))
+ gpio_free(gpio);
+
+ return ret;
+}
+
+/*
+ * MIPI output init
+ * @dev drm device
+ * @pipe pipe number. 0 or 2
+ * @config
+ *
+ * Do the initialization of a MIPI output, including create DRM mode objects
+ * initialization of DSI output on @pipe
+ */
+void mdfld_dsi_output_init(struct drm_device *dev,
+ int pipe,
+ const struct panel_funcs *p_vid_funcs)
+{
+ struct mdfld_dsi_config *dsi_config;
+ struct mdfld_dsi_connector *dsi_connector;
+ struct drm_connector *connector;
+ struct mdfld_dsi_encoder *encoder;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct panel_info dsi_panel_info;
+ u32 width_mm, height_mm;
+
+ dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
+
+ if (pipe != 0 && pipe != 2) {
+ DRM_ERROR("Invalid parameter\n");
+ return;
+ }
+
+ /*create a new connetor*/
+ dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
+ if (!dsi_connector) {
+ DRM_ERROR("No memory");
+ return;
+ }
+
+ dsi_connector->pipe = pipe;
+
+ dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
+ GFP_KERNEL);
+ if (!dsi_config) {
+ DRM_ERROR("cannot allocate memory for DSI config\n");
+ goto dsi_init_err0;
+ }
+ mdfld_dsi_get_default_config(dev, dsi_config, pipe);
+
+ dsi_connector->private = dsi_config;
+
+ dsi_config->changed = 1;
+ dsi_config->dev = dev;
+
+ dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
+ if (p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
+ goto dsi_init_err0;
+
+ width_mm = dsi_panel_info.width_mm;
+ height_mm = dsi_panel_info.height_mm;
+
+ dsi_config->mode = dsi_config->fixed_mode;
+ dsi_config->connector = dsi_connector;
+
+ if (!dsi_config->fixed_mode) {
+ DRM_ERROR("No pannel fixed mode was found\n");
+ goto dsi_init_err0;
+ }
+
+ if (pipe && dev_priv->dsi_configs[0]) {
+ dsi_config->dvr_ic_inited = 0;
+ dev_priv->dsi_configs[1] = dsi_config;
+ } else if (pipe == 0) {
+ dsi_config->dvr_ic_inited = 1;
+ dev_priv->dsi_configs[0] = dsi_config;
+ } else {
+ DRM_ERROR("Trying to init MIPI1 before MIPI0\n");
+ goto dsi_init_err0;
+ }
+
+
+ connector = &dsi_connector->base.base;
+ drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+ drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
+
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->display_info.width_mm = width_mm;
+ connector->display_info.height_mm = height_mm;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ /*attach properties*/
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.scaling_mode_property,
+ DRM_MODE_SCALE_FULLSCREEN);
+ drm_object_attach_property(&connector->base,
+ dev_priv->backlight_property,
+ MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
+
+ /*init DSI package sender on this output*/
+ if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
+ DRM_ERROR("Package Sender initialization failed on pipe %d\n",
+ pipe);
+ goto dsi_init_err0;
+ }
+
+ encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
+ if (!encoder) {
+ DRM_ERROR("Create DPI encoder failed\n");
+ goto dsi_init_err1;
+ }
+ encoder->private = dsi_config;
+ dsi_config->encoder = encoder;
+ encoder->base.type = (pipe == 0) ? INTEL_OUTPUT_MIPI :
+ INTEL_OUTPUT_MIPI2;
+ drm_connector_register(connector);
+ return;
+
+ /*TODO: add code to destroy outputs on error*/
+dsi_init_err1:
+ /*destroy sender*/
+ mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
+
+ drm_connector_cleanup(connector);
+
+ kfree(dsi_config->fixed_mode);
+ kfree(dsi_config);
+dsi_init_err0:
+ kfree(dsi_connector);
+}
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.h b/drivers/gpu/drm/gma500/mdfld_dsi_output.h
new file mode 100644
index 0000000..5b646c1
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.h
@@ -0,0 +1,377 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#ifndef __MDFLD_DSI_OUTPUT_H__
+#define __MDFLD_DSI_OUTPUT_H__
+
+#include <linux/backlight.h>
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "mdfld_output.h"
+
+#include <asm/intel-mid.h>
+
+#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
+#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
+#define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end))
+#define FLD_MOD(orig, val, start, end) \
+ (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end))
+
+#define REG_FLD_MOD(reg, val, start, end) \
+ REG_WRITE(reg, FLD_MOD(REG_READ(reg), val, start, end))
+
+static inline int REGISTER_FLD_WAIT(struct drm_device *dev, u32 reg,
+ u32 val, int start, int end)
+{
+ int t = 100000;
+
+ while (FLD_GET(REG_READ(reg), start, end) != val) {
+ if (--t == 0)
+ return 1;
+ }
+
+ return 0;
+}
+
+#define REG_FLD_WAIT(reg, val, start, end) \
+ REGISTER_FLD_WAIT(dev, reg, val, start, end)
+
+#define REG_BIT_WAIT(reg, val, bitnum) \
+ REGISTER_FLD_WAIT(dev, reg, val, bitnum, bitnum)
+
+#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100
+
+#ifdef DEBUG
+#define CHECK_PIPE(pipe) ({ \
+ const typeof(pipe) __pipe = (pipe); \
+ BUG_ON(__pipe != 0 && __pipe != 2); \
+ __pipe; })
+#else
+#define CHECK_PIPE(pipe) (pipe)
+#endif
+
+/*
+ * Actual MIPIA->MIPIC reg offset is 0x800, value 0x400 is valid for 0 and 2
+ */
+#define REG_OFFSET(pipe) (CHECK_PIPE(pipe) * 0x400)
+
+/* mdfld DSI controller registers */
+#define MIPI_DEVICE_READY_REG(pipe) (0xb000 + REG_OFFSET(pipe))
+#define MIPI_INTR_STAT_REG(pipe) (0xb004 + REG_OFFSET(pipe))
+#define MIPI_INTR_EN_REG(pipe) (0xb008 + REG_OFFSET(pipe))
+#define MIPI_DSI_FUNC_PRG_REG(pipe) (0xb00c + REG_OFFSET(pipe))
+#define MIPI_HS_TX_TIMEOUT_REG(pipe) (0xb010 + REG_OFFSET(pipe))
+#define MIPI_LP_RX_TIMEOUT_REG(pipe) (0xb014 + REG_OFFSET(pipe))
+#define MIPI_TURN_AROUND_TIMEOUT_REG(pipe) (0xb018 + REG_OFFSET(pipe))
+#define MIPI_DEVICE_RESET_TIMER_REG(pipe) (0xb01c + REG_OFFSET(pipe))
+#define MIPI_DPI_RESOLUTION_REG(pipe) (0xb020 + REG_OFFSET(pipe))
+#define MIPI_DBI_FIFO_THROTTLE_REG(pipe) (0xb024 + REG_OFFSET(pipe))
+#define MIPI_HSYNC_COUNT_REG(pipe) (0xb028 + REG_OFFSET(pipe))
+#define MIPI_HBP_COUNT_REG(pipe) (0xb02c + REG_OFFSET(pipe))
+#define MIPI_HFP_COUNT_REG(pipe) (0xb030 + REG_OFFSET(pipe))
+#define MIPI_HACTIVE_COUNT_REG(pipe) (0xb034 + REG_OFFSET(pipe))
+#define MIPI_VSYNC_COUNT_REG(pipe) (0xb038 + REG_OFFSET(pipe))
+#define MIPI_VBP_COUNT_REG(pipe) (0xb03c + REG_OFFSET(pipe))
+#define MIPI_VFP_COUNT_REG(pipe) (0xb040 + REG_OFFSET(pipe))
+#define MIPI_HIGH_LOW_SWITCH_COUNT_REG(pipe) (0xb044 + REG_OFFSET(pipe))
+#define MIPI_DPI_CONTROL_REG(pipe) (0xb048 + REG_OFFSET(pipe))
+#define MIPI_DPI_DATA_REG(pipe) (0xb04c + REG_OFFSET(pipe))
+#define MIPI_INIT_COUNT_REG(pipe) (0xb050 + REG_OFFSET(pipe))
+#define MIPI_MAX_RETURN_PACK_SIZE_REG(pipe) (0xb054 + REG_OFFSET(pipe))
+#define MIPI_VIDEO_MODE_FORMAT_REG(pipe) (0xb058 + REG_OFFSET(pipe))
+#define MIPI_EOT_DISABLE_REG(pipe) (0xb05c + REG_OFFSET(pipe))
+#define MIPI_LP_BYTECLK_REG(pipe) (0xb060 + REG_OFFSET(pipe))
+#define MIPI_LP_GEN_DATA_REG(pipe) (0xb064 + REG_OFFSET(pipe))
+#define MIPI_HS_GEN_DATA_REG(pipe) (0xb068 + REG_OFFSET(pipe))
+#define MIPI_LP_GEN_CTRL_REG(pipe) (0xb06c + REG_OFFSET(pipe))
+#define MIPI_HS_GEN_CTRL_REG(pipe) (0xb070 + REG_OFFSET(pipe))
+#define MIPI_GEN_FIFO_STAT_REG(pipe) (0xb074 + REG_OFFSET(pipe))
+#define MIPI_HS_LS_DBI_ENABLE_REG(pipe) (0xb078 + REG_OFFSET(pipe))
+#define MIPI_DPHY_PARAM_REG(pipe) (0xb080 + REG_OFFSET(pipe))
+#define MIPI_DBI_BW_CTRL_REG(pipe) (0xb084 + REG_OFFSET(pipe))
+#define MIPI_CLK_LANE_SWITCH_TIME_CNT_REG(pipe) (0xb088 + REG_OFFSET(pipe))
+
+#define MIPI_CTRL_REG(pipe) (0xb104 + REG_OFFSET(pipe))
+#define MIPI_DATA_ADD_REG(pipe) (0xb108 + REG_OFFSET(pipe))
+#define MIPI_DATA_LEN_REG(pipe) (0xb10c + REG_OFFSET(pipe))
+#define MIPI_CMD_ADD_REG(pipe) (0xb110 + REG_OFFSET(pipe))
+#define MIPI_CMD_LEN_REG(pipe) (0xb114 + REG_OFFSET(pipe))
+
+/* non-uniform reg offset */
+#define MIPI_PORT_CONTROL(pipe) (CHECK_PIPE(pipe) ? MIPI_C : MIPI)
+
+#define DSI_DEVICE_READY (0x1)
+#define DSI_POWER_STATE_ULPS_ENTER (0x2 << 1)
+#define DSI_POWER_STATE_ULPS_EXIT (0x1 << 1)
+#define DSI_POWER_STATE_ULPS_OFFSET (0x1)
+
+
+#define DSI_ONE_DATA_LANE (0x1)
+#define DSI_TWO_DATA_LANE (0x2)
+#define DSI_THREE_DATA_LANE (0X3)
+#define DSI_FOUR_DATA_LANE (0x4)
+#define DSI_DPI_VIRT_CHANNEL_OFFSET (0x3)
+#define DSI_DBI_VIRT_CHANNEL_OFFSET (0x5)
+#define DSI_DPI_COLOR_FORMAT_RGB565 (0x01 << 7)
+#define DSI_DPI_COLOR_FORMAT_RGB666 (0x02 << 7)
+#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK (0x03 << 7)
+#define DSI_DPI_COLOR_FORMAT_RGB888 (0x04 << 7)
+#define DSI_DBI_COLOR_FORMAT_OPTION2 (0x05 << 13)
+
+#define DSI_INTR_STATE_RXSOTERROR BIT(0)
+
+#define DSI_INTR_STATE_SPL_PKG_SENT BIT(30)
+#define DSI_INTR_STATE_TE BIT(31)
+
+#define DSI_HS_TX_TIMEOUT_MASK (0xffffff)
+
+#define DSI_LP_RX_TIMEOUT_MASK (0xffffff)
+
+#define DSI_TURN_AROUND_TIMEOUT_MASK (0x3f)
+
+#define DSI_RESET_TIMER_MASK (0xffff)
+
+#define DSI_DBI_FIFO_WM_HALF (0x0)
+#define DSI_DBI_FIFO_WM_QUARTER (0x1)
+#define DSI_DBI_FIFO_WM_LOW (0x2)
+
+#define DSI_DPI_TIMING_MASK (0xffff)
+
+#define DSI_INIT_TIMER_MASK (0xffff)
+
+#define DSI_DBI_RETURN_PACK_SIZE_MASK (0x3ff)
+
+#define DSI_LP_BYTECLK_MASK (0x0ffff)
+
+#define DSI_HS_CTRL_GEN_SHORT_W0 (0x03)
+#define DSI_HS_CTRL_GEN_SHORT_W1 (0x13)
+#define DSI_HS_CTRL_GEN_SHORT_W2 (0x23)
+#define DSI_HS_CTRL_GEN_R0 (0x04)
+#define DSI_HS_CTRL_GEN_R1 (0x14)
+#define DSI_HS_CTRL_GEN_R2 (0x24)
+#define DSI_HS_CTRL_GEN_LONG_W (0x29)
+#define DSI_HS_CTRL_MCS_SHORT_W0 (0x05)
+#define DSI_HS_CTRL_MCS_SHORT_W1 (0x15)
+#define DSI_HS_CTRL_MCS_R0 (0x06)
+#define DSI_HS_CTRL_MCS_LONG_W (0x39)
+#define DSI_HS_CTRL_VC_OFFSET (0x06)
+#define DSI_HS_CTRL_WC_OFFSET (0x08)
+
+#define DSI_FIFO_GEN_HS_DATA_FULL BIT(0)
+#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY BIT(1)
+#define DSI_FIFO_GEN_HS_DATA_EMPTY BIT(2)
+#define DSI_FIFO_GEN_LP_DATA_FULL BIT(8)
+#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY BIT(9)
+#define DSI_FIFO_GEN_LP_DATA_EMPTY BIT(10)
+#define DSI_FIFO_GEN_HS_CTRL_FULL BIT(16)
+#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY BIT(17)
+#define DSI_FIFO_GEN_HS_CTRL_EMPTY BIT(18)
+#define DSI_FIFO_GEN_LP_CTRL_FULL BIT(24)
+#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY BIT(25)
+#define DSI_FIFO_GEN_LP_CTRL_EMPTY BIT(26)
+#define DSI_FIFO_DBI_EMPTY BIT(27)
+#define DSI_FIFO_DPI_EMPTY BIT(28)
+
+#define DSI_DBI_HS_LP_SWITCH_MASK (0x1)
+
+#define DSI_HS_LP_SWITCH_COUNTER_OFFSET (0x0)
+#define DSI_LP_HS_SWITCH_COUNTER_OFFSET (0x16)
+
+#define DSI_DPI_CTRL_HS_SHUTDOWN (0x00000001)
+#define DSI_DPI_CTRL_HS_TURN_ON (0x00000002)
+
+/*dsi power modes*/
+#define DSI_POWER_MODE_DISPLAY_ON BIT(2)
+#define DSI_POWER_MODE_NORMAL_ON BIT(3)
+#define DSI_POWER_MODE_SLEEP_OUT BIT(4)
+#define DSI_POWER_MODE_PARTIAL_ON BIT(5)
+#define DSI_POWER_MODE_IDLE_ON BIT(6)
+
+enum {
+ MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1,
+ MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2,
+ MDFLD_DSI_VIDEO_BURST_MODE = 3,
+};
+
+#define DSI_DPI_COMPLETE_LAST_LINE BIT(2)
+#define DSI_DPI_DISABLE_BTA BIT(3)
+
+struct mdfld_dsi_connector {
+ struct gma_connector base;
+
+ int pipe;
+ void *private;
+ void *pkg_sender;
+
+ /* Connection status */
+ enum drm_connector_status status;
+};
+
+struct mdfld_dsi_encoder {
+ struct gma_encoder base;
+ void *private;
+};
+
+/*
+ * DSI config, consists of one DSI connector, two DSI encoders.
+ * DRM will pick up on DSI encoder basing on differents configs.
+ */
+struct mdfld_dsi_config {
+ struct drm_device *dev;
+ struct drm_display_mode *fixed_mode;
+ struct drm_display_mode *mode;
+
+ struct mdfld_dsi_connector *connector;
+ struct mdfld_dsi_encoder *encoder;
+
+ int changed;
+
+ int bpp;
+ int lane_count;
+ /*Virtual channel number for this encoder*/
+ int channel_num;
+ /*video mode configure*/
+ int video_mode;
+
+ int dvr_ic_inited;
+};
+
+static inline struct mdfld_dsi_connector *mdfld_dsi_connector(
+ struct drm_connector *connector)
+{
+ struct gma_connector *gma_connector;
+
+ gma_connector = to_gma_connector(connector);
+
+ return container_of(gma_connector, struct mdfld_dsi_connector, base);
+}
+
+static inline struct mdfld_dsi_encoder *mdfld_dsi_encoder(
+ struct drm_encoder *encoder)
+{
+ struct gma_encoder *gma_encoder;
+
+ gma_encoder = to_gma_encoder(encoder);
+
+ return container_of(gma_encoder, struct mdfld_dsi_encoder, base);
+}
+
+static inline struct mdfld_dsi_config *
+ mdfld_dsi_get_config(struct mdfld_dsi_connector *connector)
+{
+ if (!connector)
+ return NULL;
+ return (struct mdfld_dsi_config *)connector->private;
+}
+
+static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config)
+{
+ struct mdfld_dsi_connector *dsi_connector;
+
+ if (!config)
+ return NULL;
+
+ dsi_connector = config->connector;
+
+ if (!dsi_connector)
+ return NULL;
+
+ return dsi_connector->pkg_sender;
+}
+
+static inline struct mdfld_dsi_config *
+ mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder)
+{
+ if (!encoder)
+ return NULL;
+ return (struct mdfld_dsi_config *)encoder->private;
+}
+
+static inline struct mdfld_dsi_connector *
+ mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder)
+{
+ struct mdfld_dsi_config *config;
+
+ if (!encoder)
+ return NULL;
+
+ config = mdfld_dsi_encoder_get_config(encoder);
+ if (!config)
+ return NULL;
+
+ return config->connector;
+}
+
+static inline void *mdfld_dsi_encoder_get_pkg_sender(
+ struct mdfld_dsi_encoder *encoder)
+{
+ struct mdfld_dsi_config *dsi_config;
+
+ dsi_config = mdfld_dsi_encoder_get_config(encoder);
+ if (!dsi_config)
+ return NULL;
+
+ return mdfld_dsi_get_pkg_sender(dsi_config);
+}
+
+static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder)
+{
+ struct mdfld_dsi_connector *connector;
+
+ if (!encoder)
+ return -1;
+
+ connector = mdfld_dsi_encoder_get_connector(encoder);
+ if (!connector)
+ return -1;
+ return connector->pipe;
+}
+
+/* Export functions */
+extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev,
+ u32 gen_fifo_stat_reg, u32 fifo_stat);
+extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config,
+ int pipe);
+extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe,
+ int level);
+extern void mdfld_dsi_output_init(struct drm_device *dev,
+ int pipe,
+ const struct panel_funcs *p_vid_funcs);
+extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config,
+ int pipe);
+
+extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
+ u32 *mode, bool hs);
+extern int mdfld_dsi_panel_reset(int pipe);
+
+#endif /*__MDFLD_DSI_OUTPUT_H__*/
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
new file mode 100644
index 0000000..1616af2
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c
@@ -0,0 +1,675 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#include <linux/freezer.h>
+#include <video/mipi_display.h>
+
+#include "mdfld_dsi_output.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "mdfld_dsi_dpi.h"
+
+#define MDFLD_DSI_READ_MAX_COUNT 5000
+
+enum {
+ MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
+};
+
+enum {
+ MDFLD_DSI_PKG_SENDER_FREE = 0x0,
+ MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
+};
+
+static const char *const dsi_errors[] = {
+ "RX SOT Error",
+ "RX SOT Sync Error",
+ "RX EOT Sync Error",
+ "RX Escape Mode Entry Error",
+ "RX LP TX Sync Error",
+ "RX HS Receive Timeout Error",
+ "RX False Control Error",
+ "RX ECC Single Bit Error",
+ "RX ECC Multibit Error",
+ "RX Checksum Error",
+ "RX DSI Data Type Not Recognised",
+ "RX DSI VC ID Invalid",
+ "TX False Control Error",
+ "TX ECC Single Bit Error",
+ "TX ECC Multibit Error",
+ "TX Checksum Error",
+ "TX DSI Data Type Not Recognised",
+ "TX DSI VC ID invalid",
+ "High Contention",
+ "Low contention",
+ "DPI FIFO Under run",
+ "HS TX Timeout",
+ "LP RX Timeout",
+ "Turn Around ACK Timeout",
+ "ACK With No Error",
+ "RX Invalid TX Length",
+ "RX Prot Violation",
+ "HS Generic Write FIFO Full",
+ "LP Generic Write FIFO Full",
+ "Generic Read Data Avail",
+ "Special Packet Sent",
+ "Tearing Effect",
+};
+
+static inline int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender,
+ u32 mask)
+{
+ struct drm_device *dev = sender->dev;
+ u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg;
+ int retry = 0xffff;
+
+ while (retry--) {
+ if ((mask & REG_READ(gen_fifo_stat_reg)) == mask)
+ return 0;
+ udelay(100);
+ }
+ DRM_ERROR("fifo is NOT empty 0x%08x\n", REG_READ(gen_fifo_stat_reg));
+ return -EIO;
+}
+
+static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
+{
+ return wait_for_gen_fifo_empty(sender, (BIT(2) | BIT(10) | BIT(18) |
+ BIT(26) | BIT(27) | BIT(28)));
+}
+
+static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
+{
+ return wait_for_gen_fifo_empty(sender, (BIT(10) | BIT(26)));
+}
+
+static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
+{
+ return wait_for_gen_fifo_empty(sender, (BIT(2) | BIT(18)));
+}
+
+static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask)
+{
+ u32 intr_stat_reg = sender->mipi_intr_stat_reg;
+ struct drm_device *dev = sender->dev;
+
+ dev_dbg(sender->dev->dev, "Handling error 0x%08x\n", mask);
+
+ switch (mask) {
+ case BIT(0):
+ case BIT(1):
+ case BIT(2):
+ case BIT(3):
+ case BIT(4):
+ case BIT(5):
+ case BIT(6):
+ case BIT(7):
+ case BIT(8):
+ case BIT(9):
+ case BIT(10):
+ case BIT(11):
+ case BIT(12):
+ case BIT(13):
+ dev_dbg(sender->dev->dev, "No Action required\n");
+ break;
+ case BIT(14):
+ /*wait for all fifo empty*/
+ /*wait_for_all_fifos_empty(sender)*/
+ break;
+ case BIT(15):
+ dev_dbg(sender->dev->dev, "No Action required\n");
+ break;
+ case BIT(16):
+ break;
+ case BIT(17):
+ break;
+ case BIT(18):
+ case BIT(19):
+ dev_dbg(sender->dev->dev, "High/Low contention detected\n");
+ /*wait for contention recovery time*/
+ /*mdelay(10);*/
+ /*wait for all fifo empty*/
+ if (0)
+ wait_for_all_fifos_empty(sender);
+ break;
+ case BIT(20):
+ dev_dbg(sender->dev->dev, "No Action required\n");
+ break;
+ case BIT(21):
+ /*wait for all fifo empty*/
+ /*wait_for_all_fifos_empty(sender);*/
+ break;
+ case BIT(22):
+ break;
+ case BIT(23):
+ case BIT(24):
+ case BIT(25):
+ case BIT(26):
+ case BIT(27):
+ dev_dbg(sender->dev->dev, "HS Gen fifo full\n");
+ REG_WRITE(intr_stat_reg, mask);
+ wait_for_hs_fifos_empty(sender);
+ break;
+ case BIT(28):
+ dev_dbg(sender->dev->dev, "LP Gen fifo full\n");
+ REG_WRITE(intr_stat_reg, mask);
+ wait_for_lp_fifos_empty(sender);
+ break;
+ case BIT(29):
+ case BIT(30):
+ case BIT(31):
+ dev_dbg(sender->dev->dev, "No Action required\n");
+ break;
+ }
+
+ if (mask & REG_READ(intr_stat_reg))
+ dev_dbg(sender->dev->dev,
+ "Cannot clean interrupt 0x%08x\n", mask);
+ return 0;
+}
+
+static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender)
+{
+ struct drm_device *dev = sender->dev;
+ u32 intr_stat_reg = sender->mipi_intr_stat_reg;
+ u32 mask;
+ u32 intr_stat;
+ int i;
+ int err = 0;
+
+ intr_stat = REG_READ(intr_stat_reg);
+
+ for (i = 0; i < 32; i++) {
+ mask = (0x00000001UL) << i;
+ if (intr_stat & mask) {
+ dev_dbg(sender->dev->dev, "[DSI]: %s\n", dsi_errors[i]);
+ err = handle_dsi_error(sender, mask);
+ if (err)
+ DRM_ERROR("Cannot handle error\n");
+ }
+ }
+ return err;
+}
+
+static int send_short_pkg(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
+ u8 cmd, u8 param, bool hs)
+{
+ struct drm_device *dev = sender->dev;
+ u32 ctrl_reg;
+ u32 val;
+ u8 virtual_channel = 0;
+
+ if (hs) {
+ ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
+
+ /* FIXME: wait_for_hs_fifos_empty(sender); */
+ } else {
+ ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
+
+ /* FIXME: wait_for_lp_fifos_empty(sender); */
+ }
+
+ val = FLD_VAL(param, 23, 16) | FLD_VAL(cmd, 15, 8) |
+ FLD_VAL(virtual_channel, 7, 6) | FLD_VAL(data_type, 5, 0);
+
+ REG_WRITE(ctrl_reg, val);
+
+ return 0;
+}
+
+static int send_long_pkg(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
+ u8 *data, int len, bool hs)
+{
+ struct drm_device *dev = sender->dev;
+ u32 ctrl_reg;
+ u32 data_reg;
+ u32 val;
+ u8 *p;
+ u8 b1, b2, b3, b4;
+ u8 virtual_channel = 0;
+ int i;
+
+ if (hs) {
+ ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
+ data_reg = sender->mipi_hs_gen_data_reg;
+
+ /* FIXME: wait_for_hs_fifos_empty(sender); */
+ } else {
+ ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
+ data_reg = sender->mipi_lp_gen_data_reg;
+
+ /* FIXME: wait_for_lp_fifos_empty(sender); */
+ }
+
+ p = data;
+ for (i = 0; i < len / 4; i++) {
+ b1 = *p++;
+ b2 = *p++;
+ b3 = *p++;
+ b4 = *p++;
+
+ REG_WRITE(data_reg, b4 << 24 | b3 << 16 | b2 << 8 | b1);
+ }
+
+ i = len % 4;
+ if (i) {
+ b1 = 0; b2 = 0; b3 = 0;
+
+ switch (i) {
+ case 3:
+ b1 = *p++;
+ b2 = *p++;
+ b3 = *p++;
+ break;
+ case 2:
+ b1 = *p++;
+ b2 = *p++;
+ break;
+ case 1:
+ b1 = *p++;
+ break;
+ }
+
+ REG_WRITE(data_reg, b3 << 16 | b2 << 8 | b1);
+ }
+
+ val = FLD_VAL(len, 23, 8) | FLD_VAL(virtual_channel, 7, 6) |
+ FLD_VAL(data_type, 5, 0);
+
+ REG_WRITE(ctrl_reg, val);
+
+ return 0;
+}
+
+static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
+ u8 *data, u16 len)
+{
+ u8 cmd;
+
+ switch (data_type) {
+ case MIPI_DSI_DCS_SHORT_WRITE:
+ case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
+ case MIPI_DSI_DCS_LONG_WRITE:
+ cmd = *data;
+ break;
+ default:
+ return 0;
+ }
+
+ /*this prevents other package sending while doing msleep*/
+ sender->status = MDFLD_DSI_PKG_SENDER_BUSY;
+
+ /*wait for 120 milliseconds in case exit_sleep_mode just be sent*/
+ if (unlikely(cmd == MIPI_DCS_ENTER_SLEEP_MODE)) {
+ /*TODO: replace it with msleep later*/
+ mdelay(120);
+ }
+
+ if (unlikely(cmd == MIPI_DCS_EXIT_SLEEP_MODE)) {
+ /*TODO: replace it with msleep later*/
+ mdelay(120);
+ }
+ return 0;
+}
+
+static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
+ u8 *data, u16 len)
+{
+ u8 cmd;
+
+ switch (data_type) {
+ case MIPI_DSI_DCS_SHORT_WRITE:
+ case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
+ case MIPI_DSI_DCS_LONG_WRITE:
+ cmd = *data;
+ break;
+ default:
+ return 0;
+ }
+
+ /*update panel status*/
+ if (unlikely(cmd == MIPI_DCS_ENTER_SLEEP_MODE)) {
+ sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP;
+ /*TODO: replace it with msleep later*/
+ mdelay(120);
+ } else if (unlikely(cmd == MIPI_DCS_EXIT_SLEEP_MODE)) {
+ sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP;
+ /*TODO: replace it with msleep later*/
+ mdelay(120);
+ } else if (unlikely(cmd == MIPI_DCS_SOFT_RESET)) {
+ /*TODO: replace it with msleep later*/
+ mdelay(5);
+ }
+
+ sender->status = MDFLD_DSI_PKG_SENDER_FREE;
+
+ return 0;
+}
+
+static int send_pkg(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
+ u8 *data, u16 len, bool hs)
+{
+ int ret;
+
+ /*handle DSI error*/
+ ret = dsi_error_handler(sender);
+ if (ret) {
+ DRM_ERROR("Error handling failed\n");
+ return -EAGAIN;
+ }
+
+ /* send pkg */
+ if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) {
+ DRM_ERROR("sender is busy\n");
+ return -EAGAIN;
+ }
+
+ ret = send_pkg_prepare(sender, data_type, data, len);
+ if (ret) {
+ DRM_ERROR("send_pkg_prepare error\n");
+ return ret;
+ }
+
+ switch (data_type) {
+ case MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM:
+ case MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM:
+ case MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM:
+ case MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM:
+ case MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM:
+ case MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM:
+ case MIPI_DSI_DCS_SHORT_WRITE:
+ case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
+ case MIPI_DSI_DCS_READ:
+ ret = send_short_pkg(sender, data_type, data[0], data[1], hs);
+ break;
+ case MIPI_DSI_GENERIC_LONG_WRITE:
+ case MIPI_DSI_DCS_LONG_WRITE:
+ ret = send_long_pkg(sender, data_type, data, len, hs);
+ break;
+ }
+
+ send_pkg_done(sender, data_type, data, len);
+
+ /*FIXME: should I query complete and fifo empty here?*/
+
+ return ret;
+}
+
+int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
+ u32 len, bool hs)
+{
+ unsigned long flags;
+
+ if (!sender || !data || !len) {
+ DRM_ERROR("Invalid parameters\n");
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&sender->lock, flags);
+ send_pkg(sender, MIPI_DSI_DCS_LONG_WRITE, data, len, hs);
+ spin_unlock_irqrestore(&sender->lock, flags);
+
+ return 0;
+}
+
+int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
+ u8 param, u8 param_num, bool hs)
+{
+ u8 data[2];
+ unsigned long flags;
+ u8 data_type;
+
+ if (!sender) {
+ DRM_ERROR("Invalid parameter\n");
+ return -EINVAL;
+ }
+
+ data[0] = cmd;
+
+ if (param_num) {
+ data_type = MIPI_DSI_DCS_SHORT_WRITE_PARAM;
+ data[1] = param;
+ } else {
+ data_type = MIPI_DSI_DCS_SHORT_WRITE;
+ data[1] = 0;
+ }
+
+ spin_lock_irqsave(&sender->lock, flags);
+ send_pkg(sender, data_type, data, sizeof(data), hs);
+ spin_unlock_irqrestore(&sender->lock, flags);
+
+ return 0;
+}
+
+int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, u8 param0,
+ u8 param1, u8 param_num, bool hs)
+{
+ u8 data[2];
+ unsigned long flags;
+ u8 data_type;
+
+ if (!sender || param_num > 2) {
+ DRM_ERROR("Invalid parameter\n");
+ return -EINVAL;
+ }
+
+ switch (param_num) {
+ case 0:
+ data_type = MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM;
+ data[0] = 0;
+ data[1] = 0;
+ break;
+ case 1:
+ data_type = MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM;
+ data[0] = param0;
+ data[1] = 0;
+ break;
+ case 2:
+ data_type = MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM;
+ data[0] = param0;
+ data[1] = param1;
+ break;
+ }
+
+ spin_lock_irqsave(&sender->lock, flags);
+ send_pkg(sender, data_type, data, sizeof(data), hs);
+ spin_unlock_irqrestore(&sender->lock, flags);
+
+ return 0;
+}
+
+int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
+ u32 len, bool hs)
+{
+ unsigned long flags;
+
+ if (!sender || !data || !len) {
+ DRM_ERROR("Invalid parameters\n");
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&sender->lock, flags);
+ send_pkg(sender, MIPI_DSI_GENERIC_LONG_WRITE, data, len, hs);
+ spin_unlock_irqrestore(&sender->lock, flags);
+
+ return 0;
+}
+
+static int __read_panel_data(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
+ u8 *data, u16 len, u32 *data_out, u16 len_out, bool hs)
+{
+ unsigned long flags;
+ struct drm_device *dev = sender->dev;
+ int i;
+ u32 gen_data_reg;
+ int retry = MDFLD_DSI_READ_MAX_COUNT;
+
+ if (!sender || !data_out || !len_out) {
+ DRM_ERROR("Invalid parameters\n");
+ return -EINVAL;
+ }
+
+ /**
+ * do reading.
+ * 0) send out generic read request
+ * 1) polling read data avail interrupt
+ * 2) read data
+ */
+ spin_lock_irqsave(&sender->lock, flags);
+
+ REG_WRITE(sender->mipi_intr_stat_reg, BIT(29));
+
+ if ((REG_READ(sender->mipi_intr_stat_reg) & BIT(29)))
+ DRM_ERROR("Can NOT clean read data valid interrupt\n");
+
+ /*send out read request*/
+ send_pkg(sender, data_type, data, len, hs);
+
+ /*polling read data avail interrupt*/
+ while (retry && !(REG_READ(sender->mipi_intr_stat_reg) & BIT(29))) {
+ udelay(100);
+ retry--;
+ }
+
+ if (!retry) {
+ spin_unlock_irqrestore(&sender->lock, flags);
+ return -ETIMEDOUT;
+ }
+
+ REG_WRITE(sender->mipi_intr_stat_reg, BIT(29));
+
+ /*read data*/
+ if (hs)
+ gen_data_reg = sender->mipi_hs_gen_data_reg;
+ else
+ gen_data_reg = sender->mipi_lp_gen_data_reg;
+
+ for (i = 0; i < len_out; i++)
+ *(data_out + i) = REG_READ(gen_data_reg);
+
+ spin_unlock_irqrestore(&sender->lock, flags);
+
+ return 0;
+}
+
+int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
+ u32 *data, u16 len, bool hs)
+{
+ if (!sender || !data || !len) {
+ DRM_ERROR("Invalid parameters\n");
+ return -EINVAL;
+ }
+
+ return __read_panel_data(sender, MIPI_DSI_DCS_READ, &cmd, 1,
+ data, len, hs);
+}
+
+int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
+ int pipe)
+{
+ struct mdfld_dsi_pkg_sender *pkg_sender;
+ struct mdfld_dsi_config *dsi_config =
+ mdfld_dsi_get_config(dsi_connector);
+ struct drm_device *dev = dsi_config->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 mipi_val = 0;
+
+ if (!dsi_connector) {
+ DRM_ERROR("Invalid parameter\n");
+ return -EINVAL;
+ }
+
+ pkg_sender = dsi_connector->pkg_sender;
+
+ if (!pkg_sender || IS_ERR(pkg_sender)) {
+ pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender),
+ GFP_KERNEL);
+ if (!pkg_sender) {
+ DRM_ERROR("Create DSI pkg sender failed\n");
+ return -ENOMEM;
+ }
+ dsi_connector->pkg_sender = (void *)pkg_sender;
+ }
+
+ pkg_sender->dev = dev;
+ pkg_sender->dsi_connector = dsi_connector;
+ pkg_sender->pipe = pipe;
+ pkg_sender->pkg_num = 0;
+ pkg_sender->panel_mode = 0;
+ pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE;
+
+ /*init regs*/
+ /* FIXME: should just copy the regmap ptr ? */
+ pkg_sender->dpll_reg = map->dpll;
+ pkg_sender->dspcntr_reg = map->cntr;
+ pkg_sender->pipeconf_reg = map->conf;
+ pkg_sender->dsplinoff_reg = map->linoff;
+ pkg_sender->dspsurf_reg = map->surf;
+ pkg_sender->pipestat_reg = map->status;
+
+ pkg_sender->mipi_intr_stat_reg = MIPI_INTR_STAT_REG(pipe);
+ pkg_sender->mipi_lp_gen_data_reg = MIPI_LP_GEN_DATA_REG(pipe);
+ pkg_sender->mipi_hs_gen_data_reg = MIPI_HS_GEN_DATA_REG(pipe);
+ pkg_sender->mipi_lp_gen_ctrl_reg = MIPI_LP_GEN_CTRL_REG(pipe);
+ pkg_sender->mipi_hs_gen_ctrl_reg = MIPI_HS_GEN_CTRL_REG(pipe);
+ pkg_sender->mipi_gen_fifo_stat_reg = MIPI_GEN_FIFO_STAT_REG(pipe);
+ pkg_sender->mipi_data_addr_reg = MIPI_DATA_ADD_REG(pipe);
+ pkg_sender->mipi_data_len_reg = MIPI_DATA_LEN_REG(pipe);
+ pkg_sender->mipi_cmd_addr_reg = MIPI_CMD_ADD_REG(pipe);
+ pkg_sender->mipi_cmd_len_reg = MIPI_CMD_LEN_REG(pipe);
+
+ /*init lock*/
+ spin_lock_init(&pkg_sender->lock);
+
+ if (mdfld_get_panel_type(dev, pipe) != TC35876X) {
+ /**
+ * For video mode, don't enable DPI timing output here,
+ * will init the DPI timing output during mode setting.
+ */
+ mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
+
+ if (pipe == 0)
+ mipi_val |= 0x2;
+
+ REG_WRITE(MIPI_PORT_CONTROL(pipe), mipi_val);
+ REG_READ(MIPI_PORT_CONTROL(pipe));
+
+ /* do dsi controller init */
+ mdfld_dsi_controller_init(dsi_config, pipe);
+ }
+
+ return 0;
+}
+
+void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender)
+{
+ if (!sender || IS_ERR(sender))
+ return;
+
+ /*free*/
+ kfree(sender);
+}
+
+
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.h b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.h
new file mode 100644
index 0000000..0478a21
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Jackie Li<yaodong.li@intel.com>
+ */
+#ifndef __MDFLD_DSI_PKG_SENDER_H__
+#define __MDFLD_DSI_PKG_SENDER_H__
+
+#include <linux/kthread.h>
+
+#define MDFLD_MAX_DCS_PARAM 8
+
+struct mdfld_dsi_pkg_sender {
+ struct drm_device *dev;
+ struct mdfld_dsi_connector *dsi_connector;
+ u32 status;
+ u32 panel_mode;
+
+ int pipe;
+
+ spinlock_t lock;
+
+ u32 pkg_num;
+
+ /* Registers */
+ u32 dpll_reg;
+ u32 dspcntr_reg;
+ u32 pipeconf_reg;
+ u32 pipestat_reg;
+ u32 dsplinoff_reg;
+ u32 dspsurf_reg;
+
+ u32 mipi_intr_stat_reg;
+ u32 mipi_lp_gen_data_reg;
+ u32 mipi_hs_gen_data_reg;
+ u32 mipi_lp_gen_ctrl_reg;
+ u32 mipi_hs_gen_ctrl_reg;
+ u32 mipi_gen_fifo_stat_reg;
+ u32 mipi_data_addr_reg;
+ u32 mipi_data_len_reg;
+ u32 mipi_cmd_addr_reg;
+ u32 mipi_cmd_len_reg;
+};
+
+extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
+ int pipe);
+extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
+int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
+ u8 param, u8 param_num, bool hs);
+int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
+ u32 len, bool hs);
+int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender, u8 param0,
+ u8 param1, u8 param_num, bool hs);
+int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender, u8 *data,
+ u32 len, bool hs);
+/* Read interfaces */
+int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender, u8 cmd,
+ u32 *data, u16 len, bool hs);
+
+#endif
diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c
new file mode 100644
index 0000000..acd3834
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c
@@ -0,0 +1,1035 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/i2c.h>
+#include <linux/pm_runtime.h>
+
+#include <drm/drmP.h>
+#include "psb_intel_reg.h"
+#include "gma_display.h"
+#include "framebuffer.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_output.h"
+
+/* Hardcoded currently */
+static int ksel = KSEL_CRYSTAL_19;
+
+struct psb_intel_range_t {
+ int min, max;
+};
+
+struct mrst_limit_t {
+ struct psb_intel_range_t dot, m, p1;
+};
+
+struct mrst_clock_t {
+ /* derived values */
+ int dot;
+ int m;
+ int p1;
+};
+
+#define COUNT_MAX 0x10000000
+
+void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ int count, temp;
+
+ switch (pipe) {
+ case 0:
+ case 1:
+ case 2:
+ break;
+ default:
+ DRM_ERROR("Illegal Pipe Number.\n");
+ return;
+ }
+
+ /* FIXME JLIU7_PO */
+ gma_wait_for_vblank(dev);
+ return;
+
+ /* Wait for for the pipe disable to take effect. */
+ for (count = 0; count < COUNT_MAX; count++) {
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_PIPE_STATE) == 0)
+ break;
+ }
+}
+
+void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ int count, temp;
+
+ switch (pipe) {
+ case 0:
+ case 1:
+ case 2:
+ break;
+ default:
+ DRM_ERROR("Illegal Pipe Number.\n");
+ return;
+ }
+
+ /* FIXME JLIU7_PO */
+ gma_wait_for_vblank(dev);
+ return;
+
+ /* Wait for for the pipe enable to take effect. */
+ for (count = 0; count < COUNT_MAX; count++) {
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_PIPE_STATE) == 1)
+ break;
+ }
+}
+
+/**
+ * Return the pipe currently connected to the panel fitter,
+ * or -1 if the panel fitter is not present or not in use
+ */
+static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
+{
+ u32 pfit_control;
+
+ pfit_control = REG_READ(PFIT_CONTROL);
+
+ /* See if the panel fitter is in use */
+ if ((pfit_control & PFIT_ENABLE) == 0)
+ return -1;
+
+ /* 965 can place panel fitter on either pipe */
+ return (pfit_control >> 29) & 0x3;
+}
+
+static struct drm_device globle_dev;
+
+void mdfld__intel_plane_set_alpha(int enable)
+{
+ struct drm_device *dev = &globle_dev;
+ int dspcntr_reg = DSPACNTR;
+ u32 dspcntr;
+
+ dspcntr = REG_READ(dspcntr_reg);
+
+ if (enable) {
+ dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA;
+ dspcntr |= DISPPLANE_32BPP;
+ } else {
+ dspcntr &= ~DISPPLANE_32BPP;
+ dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
+ }
+
+ REG_WRITE(dspcntr_reg, dspcntr);
+}
+
+static int check_fb(struct drm_framebuffer *fb)
+{
+ if (!fb)
+ return 0;
+
+ switch (fb->bits_per_pixel) {
+ case 8:
+ case 16:
+ case 24:
+ case 32:
+ return 0;
+ default:
+ DRM_ERROR("Unknown color depth\n");
+ return -EINVAL;
+ }
+}
+
+static int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct psb_framebuffer *psbfb = to_psb_fb(crtc->primary->fb);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ unsigned long start, offset;
+ u32 dspcntr;
+ int ret;
+
+ memcpy(&globle_dev, dev, sizeof(struct drm_device));
+
+ dev_dbg(dev->dev, "pipe = 0x%x.\n", pipe);
+
+ /* no fb bound */
+ if (!crtc->primary->fb) {
+ dev_dbg(dev->dev, "No FB bound\n");
+ return 0;
+ }
+
+ ret = check_fb(crtc->primary->fb);
+ if (ret)
+ return ret;
+
+ if (pipe > 2) {
+ DRM_ERROR("Illegal Pipe Number.\n");
+ return -EINVAL;
+ }
+
+ if (!gma_power_begin(dev, true))
+ return 0;
+
+ start = psbfb->gtt->offset;
+ offset = y * crtc->primary->fb->pitches[0] + x * (crtc->primary->fb->bits_per_pixel / 8);
+
+ REG_WRITE(map->stride, crtc->primary->fb->pitches[0]);
+ dspcntr = REG_READ(map->cntr);
+ dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
+
+ switch (crtc->primary->fb->bits_per_pixel) {
+ case 8:
+ dspcntr |= DISPPLANE_8BPP;
+ break;
+ case 16:
+ if (crtc->primary->fb->depth == 15)
+ dspcntr |= DISPPLANE_15_16BPP;
+ else
+ dspcntr |= DISPPLANE_16BPP;
+ break;
+ case 24:
+ case 32:
+ dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
+ break;
+ }
+ REG_WRITE(map->cntr, dspcntr);
+
+ dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n",
+ start, offset, x, y);
+ REG_WRITE(map->linoff, offset);
+ REG_READ(map->linoff);
+ REG_WRITE(map->surf, start);
+ REG_READ(map->surf);
+
+ gma_power_end(dev);
+
+ return 0;
+}
+
+/*
+ * Disable the pipe, plane and pll.
+ *
+ */
+void mdfld_disable_crtc(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 temp;
+
+ dev_dbg(dev->dev, "pipe = %d\n", pipe);
+
+
+ if (pipe != 1)
+ mdfld_dsi_gen_fifo_ready(dev, MIPI_GEN_FIFO_STAT_REG(pipe),
+ HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
+
+ /* Disable display plane */
+ temp = REG_READ(map->cntr);
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+ REG_WRITE(map->cntr,
+ temp & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ REG_WRITE(map->base, REG_READ(map->base));
+ REG_READ(map->base);
+ }
+
+ /* FIXME_JLIU7 MDFLD_PO revisit */
+
+ /* Next, disable display pipes */
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ temp &= ~PIPEACONF_ENABLE;
+ temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
+ REG_WRITE(map->conf, temp);
+ REG_READ(map->conf);
+
+ /* Wait for for the pipe disable to take effect. */
+ mdfldWaitForPipeDisable(dev, pipe);
+ }
+
+ temp = REG_READ(map->dpll);
+ if (temp & DPLL_VCO_ENABLE) {
+ if ((pipe != 1 &&
+ !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF))
+ & PIPEACONF_ENABLE)) || pipe == 1) {
+ temp &= ~(DPLL_VCO_ENABLE);
+ REG_WRITE(map->dpll, temp);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to turn off. */
+ /* FIXME_MDFLD PO may need more delay */
+ udelay(500);
+
+ if (!(temp & MDFLD_PWR_GATE_EN)) {
+ /* gating power of DPLL */
+ REG_WRITE(map->dpll, temp | MDFLD_PWR_GATE_EN);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(5000);
+ }
+ }
+ }
+
+}
+
+/**
+ * Sets the power management mode of the pipe and plane.
+ *
+ * This code should probably grow support for turning the cursor off and back
+ * on appropriately at the same time as we're turning the pipe off/on.
+ */
+static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 pipeconf = dev_priv->pipeconf[pipe];
+ u32 temp;
+ int timeout = 0;
+
+ dev_dbg(dev->dev, "mode = %d, pipe = %d\n", mode, pipe);
+
+ /* Note: Old code uses pipe a stat for pipe b but that appears
+ to be a bug */
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ /* XXX: When our outputs are all unaware of DPMS modes other than off
+ * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
+ */
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ /* Enable the DPLL */
+ temp = REG_READ(map->dpll);
+
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ /* When ungating power of DPLL, needs to wait 0.5us
+ before enable the VCO */
+ if (temp & MDFLD_PWR_GATE_EN) {
+ temp &= ~MDFLD_PWR_GATE_EN;
+ REG_WRITE(map->dpll, temp);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+ }
+
+ REG_WRITE(map->dpll, temp);
+ REG_READ(map->dpll);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+
+ REG_WRITE(map->dpll, temp | DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+
+ /**
+ * wait for DSI PLL to lock
+ * NOTE: only need to poll status of pipe 0 and pipe 1,
+ * since both MIPI pipes share the same PLL.
+ */
+ while ((pipe != 2) && (timeout < 20000) &&
+ !(REG_READ(map->conf) & PIPECONF_DSIPLL_LOCK)) {
+ udelay(150);
+ timeout++;
+ }
+ }
+
+ /* Enable the plane */
+ temp = REG_READ(map->cntr);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ REG_WRITE(map->cntr,
+ temp | DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ REG_WRITE(map->base, REG_READ(map->base));
+ }
+
+ /* Enable the pipe */
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_ENABLE) == 0) {
+ REG_WRITE(map->conf, pipeconf);
+
+ /* Wait for for the pipe enable to take effect. */
+ mdfldWaitForPipeEnable(dev, pipe);
+ }
+
+ /*workaround for sighting 3741701 Random X blank display*/
+ /*perform w/a in video mode only on pipe A or C*/
+ if (pipe == 0 || pipe == 2) {
+ REG_WRITE(map->status, REG_READ(map->status));
+ msleep(100);
+ if (PIPE_VBLANK_STATUS & REG_READ(map->status))
+ dev_dbg(dev->dev, "OK");
+ else {
+ dev_dbg(dev->dev, "STUCK!!!!");
+ /*shutdown controller*/
+ temp = REG_READ(map->cntr);
+ REG_WRITE(map->cntr,
+ temp & ~DISPLAY_PLANE_ENABLE);
+ REG_WRITE(map->base, REG_READ(map->base));
+ /*mdfld_dsi_dpi_shut_down(dev, pipe);*/
+ REG_WRITE(0xb048, 1);
+ msleep(100);
+ temp = REG_READ(map->conf);
+ temp &= ~PIPEACONF_ENABLE;
+ REG_WRITE(map->conf, temp);
+ msleep(100); /*wait for pipe disable*/
+ REG_WRITE(MIPI_DEVICE_READY_REG(pipe), 0);
+ msleep(100);
+ REG_WRITE(0xb004, REG_READ(0xb004));
+ /* try to bring the controller back up again*/
+ REG_WRITE(MIPI_DEVICE_READY_REG(pipe), 1);
+ temp = REG_READ(map->cntr);
+ REG_WRITE(map->cntr,
+ temp | DISPLAY_PLANE_ENABLE);
+ REG_WRITE(map->base, REG_READ(map->base));
+ /*mdfld_dsi_dpi_turn_on(dev, pipe);*/
+ REG_WRITE(0xb048, 2);
+ msleep(100);
+ temp = REG_READ(map->conf);
+ temp |= PIPEACONF_ENABLE;
+ REG_WRITE(map->conf, temp);
+ }
+ }
+
+ gma_crtc_load_lut(crtc);
+
+ /* Give the overlay scaler a chance to enable
+ if it's on this pipe */
+ /* psb_intel_crtc_dpms_video(crtc, true); TODO */
+
+ break;
+ case DRM_MODE_DPMS_OFF:
+ /* Give the overlay scaler a chance to disable
+ * if it's on this pipe */
+ /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
+ if (pipe != 1)
+ mdfld_dsi_gen_fifo_ready(dev,
+ MIPI_GEN_FIFO_STAT_REG(pipe),
+ HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
+
+ /* Disable the VGA plane that we never use */
+ REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
+
+ /* Disable display plane */
+ temp = REG_READ(map->cntr);
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+ REG_WRITE(map->cntr,
+ temp & ~DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ REG_WRITE(map->base, REG_READ(map->base));
+ REG_READ(map->base);
+ }
+
+ /* Next, disable display pipes */
+ temp = REG_READ(map->conf);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ temp &= ~PIPEACONF_ENABLE;
+ temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
+ REG_WRITE(map->conf, temp);
+ REG_READ(map->conf);
+
+ /* Wait for for the pipe disable to take effect. */
+ mdfldWaitForPipeDisable(dev, pipe);
+ }
+
+ temp = REG_READ(map->dpll);
+ if (temp & DPLL_VCO_ENABLE) {
+ if ((pipe != 1 && !((REG_READ(PIPEACONF)
+ | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
+ || pipe == 1) {
+ temp &= ~(DPLL_VCO_ENABLE);
+ REG_WRITE(map->dpll, temp);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to turn off. */
+ /* FIXME_MDFLD PO may need more delay */
+ udelay(500);
+ }
+ }
+ break;
+ }
+ gma_power_end(dev);
+}
+
+
+#define MDFLD_LIMT_DPLL_19 0
+#define MDFLD_LIMT_DPLL_25 1
+#define MDFLD_LIMT_DPLL_83 2
+#define MDFLD_LIMT_DPLL_100 3
+#define MDFLD_LIMT_DSIPLL_19 4
+#define MDFLD_LIMT_DSIPLL_25 5
+#define MDFLD_LIMT_DSIPLL_83 6
+#define MDFLD_LIMT_DSIPLL_100 7
+
+#define MDFLD_DOT_MIN 19750
+#define MDFLD_DOT_MAX 120000
+#define MDFLD_DPLL_M_MIN_19 113
+#define MDFLD_DPLL_M_MAX_19 155
+#define MDFLD_DPLL_P1_MIN_19 2
+#define MDFLD_DPLL_P1_MAX_19 10
+#define MDFLD_DPLL_M_MIN_25 101
+#define MDFLD_DPLL_M_MAX_25 130
+#define MDFLD_DPLL_P1_MIN_25 2
+#define MDFLD_DPLL_P1_MAX_25 10
+#define MDFLD_DPLL_M_MIN_83 64
+#define MDFLD_DPLL_M_MAX_83 64
+#define MDFLD_DPLL_P1_MIN_83 2
+#define MDFLD_DPLL_P1_MAX_83 2
+#define MDFLD_DPLL_M_MIN_100 64
+#define MDFLD_DPLL_M_MAX_100 64
+#define MDFLD_DPLL_P1_MIN_100 2
+#define MDFLD_DPLL_P1_MAX_100 2
+#define MDFLD_DSIPLL_M_MIN_19 131
+#define MDFLD_DSIPLL_M_MAX_19 175
+#define MDFLD_DSIPLL_P1_MIN_19 3
+#define MDFLD_DSIPLL_P1_MAX_19 8
+#define MDFLD_DSIPLL_M_MIN_25 97
+#define MDFLD_DSIPLL_M_MAX_25 140
+#define MDFLD_DSIPLL_P1_MIN_25 3
+#define MDFLD_DSIPLL_P1_MAX_25 9
+#define MDFLD_DSIPLL_M_MIN_83 33
+#define MDFLD_DSIPLL_M_MAX_83 92
+#define MDFLD_DSIPLL_P1_MIN_83 2
+#define MDFLD_DSIPLL_P1_MAX_83 3
+#define MDFLD_DSIPLL_M_MIN_100 97
+#define MDFLD_DSIPLL_M_MAX_100 140
+#define MDFLD_DSIPLL_P1_MIN_100 3
+#define MDFLD_DSIPLL_P1_MAX_100 9
+
+static const struct mrst_limit_t mdfld_limits[] = {
+ { /* MDFLD_LIMT_DPLL_19 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19},
+ .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19},
+ },
+ { /* MDFLD_LIMT_DPLL_25 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25},
+ .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25},
+ },
+ { /* MDFLD_LIMT_DPLL_83 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83},
+ .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83},
+ },
+ { /* MDFLD_LIMT_DPLL_100 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100},
+ .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100},
+ },
+ { /* MDFLD_LIMT_DSIPLL_19 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19},
+ .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19},
+ },
+ { /* MDFLD_LIMT_DSIPLL_25 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25},
+ .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25},
+ },
+ { /* MDFLD_LIMT_DSIPLL_83 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83},
+ .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83},
+ },
+ { /* MDFLD_LIMT_DSIPLL_100 */
+ .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
+ .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100},
+ .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100},
+ },
+};
+
+#define MDFLD_M_MIN 21
+#define MDFLD_M_MAX 180
+static const u32 mdfld_m_converts[] = {
+/* M configuration table from 9-bit LFSR table */
+ 224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */
+ 173, 342, 171, 85, 298, 149, 74, 37, 18, 265, /* 31 - 40 */
+ 388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */
+ 83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */
+ 341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */
+ 461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */
+ 106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */
+ 71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */
+ 253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */
+ 478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */
+ 477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */
+ 210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */
+ 145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */
+ 380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */
+ 103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */
+ 396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */
+};
+
+static const struct mrst_limit_t *mdfld_limit(struct drm_crtc *crtc)
+{
+ const struct mrst_limit_t *limit = NULL;
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)
+ || gma_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) {
+ if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
+ limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19];
+ else if (ksel == KSEL_BYPASS_25)
+ limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25];
+ else if ((ksel == KSEL_BYPASS_83_100) &&
+ (dev_priv->core_freq == 166))
+ limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83];
+ else if ((ksel == KSEL_BYPASS_83_100) &&
+ (dev_priv->core_freq == 100 ||
+ dev_priv->core_freq == 200))
+ limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100];
+ } else if (gma_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) {
+ if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
+ limit = &mdfld_limits[MDFLD_LIMT_DPLL_19];
+ else if (ksel == KSEL_BYPASS_25)
+ limit = &mdfld_limits[MDFLD_LIMT_DPLL_25];
+ else if ((ksel == KSEL_BYPASS_83_100) &&
+ (dev_priv->core_freq == 166))
+ limit = &mdfld_limits[MDFLD_LIMT_DPLL_83];
+ else if ((ksel == KSEL_BYPASS_83_100) &&
+ (dev_priv->core_freq == 100 ||
+ dev_priv->core_freq == 200))
+ limit = &mdfld_limits[MDFLD_LIMT_DPLL_100];
+ } else {
+ limit = NULL;
+ dev_dbg(dev->dev, "mdfld_limit Wrong display type.\n");
+ }
+
+ return limit;
+}
+
+/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
+static void mdfld_clock(int refclk, struct mrst_clock_t *clock)
+{
+ clock->dot = (refclk * clock->m) / clock->p1;
+}
+
+/**
+ * Returns a set of divisors for the desired target clock with the given refclk,
+ * or FALSE. Divisor values are the actual divisors for
+ */
+static bool
+mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
+ struct mrst_clock_t *best_clock)
+{
+ struct mrst_clock_t clock;
+ const struct mrst_limit_t *limit = mdfld_limit(crtc);
+ int err = target;
+
+ memset(best_clock, 0, sizeof(*best_clock));
+
+ for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
+ for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
+ clock.p1++) {
+ int this_err;
+
+ mdfld_clock(refclk, &clock);
+
+ this_err = abs(clock.dot - target);
+ if (this_err < err) {
+ *best_clock = clock;
+ err = this_err;
+ }
+ }
+ }
+ return err != target;
+}
+
+static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ int refclk = 0;
+ int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0,
+ clk_tmp = 0;
+ struct mrst_clock_t clock;
+ bool ok;
+ u32 dpll = 0, fp = 0;
+ bool is_mipi = false, is_mipi2 = false, is_hdmi = false;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct gma_encoder *gma_encoder = NULL;
+ uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
+ struct drm_encoder *encoder;
+ struct drm_connector *connector;
+ int timeout = 0;
+ int ret;
+
+ dev_dbg(dev->dev, "pipe = 0x%x\n", pipe);
+
+#if 0
+ if (pipe == 1) {
+ if (!gma_power_begin(dev, true))
+ return 0;
+ android_hdmi_crtc_mode_set(crtc, mode, adjusted_mode,
+ x, y, old_fb);
+ goto mrst_crtc_mode_set_exit;
+ }
+#endif
+
+ ret = check_fb(crtc->primary->fb);
+ if (ret)
+ return ret;
+
+ dev_dbg(dev->dev, "adjusted_hdisplay = %d\n",
+ adjusted_mode->hdisplay);
+ dev_dbg(dev->dev, "adjusted_vdisplay = %d\n",
+ adjusted_mode->vdisplay);
+ dev_dbg(dev->dev, "adjusted_hsync_start = %d\n",
+ adjusted_mode->hsync_start);
+ dev_dbg(dev->dev, "adjusted_hsync_end = %d\n",
+ adjusted_mode->hsync_end);
+ dev_dbg(dev->dev, "adjusted_htotal = %d\n",
+ adjusted_mode->htotal);
+ dev_dbg(dev->dev, "adjusted_vsync_start = %d\n",
+ adjusted_mode->vsync_start);
+ dev_dbg(dev->dev, "adjusted_vsync_end = %d\n",
+ adjusted_mode->vsync_end);
+ dev_dbg(dev->dev, "adjusted_vtotal = %d\n",
+ adjusted_mode->vtotal);
+ dev_dbg(dev->dev, "adjusted_clock = %d\n",
+ adjusted_mode->clock);
+ dev_dbg(dev->dev, "hdisplay = %d\n",
+ mode->hdisplay);
+ dev_dbg(dev->dev, "vdisplay = %d\n",
+ mode->vdisplay);
+
+ if (!gma_power_begin(dev, true))
+ return 0;
+
+ memcpy(&gma_crtc->saved_mode, mode,
+ sizeof(struct drm_display_mode));
+ memcpy(&gma_crtc->saved_adjusted_mode, adjusted_mode,
+ sizeof(struct drm_display_mode));
+
+ list_for_each_entry(connector, &mode_config->connector_list, head) {
+ if (!connector)
+ continue;
+
+ encoder = connector->encoder;
+
+ if (!encoder)
+ continue;
+
+ if (encoder->crtc != crtc)
+ continue;
+
+ gma_encoder = gma_attached_encoder(connector);
+
+ switch (gma_encoder->type) {
+ case INTEL_OUTPUT_MIPI:
+ is_mipi = true;
+ break;
+ case INTEL_OUTPUT_MIPI2:
+ is_mipi2 = true;
+ break;
+ case INTEL_OUTPUT_HDMI:
+ is_hdmi = true;
+ break;
+ }
+ }
+
+ /* Disable the VGA plane that we never use */
+ REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
+
+ /* Disable the panel fitter if it was on our pipe */
+ if (psb_intel_panel_fitter_pipe(dev) == pipe)
+ REG_WRITE(PFIT_CONTROL, 0);
+
+ /* pipesrc and dspsize control the size that is scaled from,
+ * which should always be the user's requested size.
+ */
+ if (pipe == 1) {
+ /* FIXME: To make HDMI display with 864x480 (TPO), 480x864
+ * (PYR) or 480x854 (TMD), set the sprite width/height and
+ * souce image size registers with the adjusted mode for
+ * pipe B.
+ */
+
+ /*
+ * The defined sprite rectangle must always be completely
+ * contained within the displayable area of the screen image
+ * (frame buffer).
+ */
+ REG_WRITE(map->size, ((min(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16)
+ | (min(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1));
+ /* Set the CRTC with encoder mode. */
+ REG_WRITE(map->src, ((mode->crtc_hdisplay - 1) << 16)
+ | (mode->crtc_vdisplay - 1));
+ } else {
+ REG_WRITE(map->size,
+ ((mode->crtc_vdisplay - 1) << 16) |
+ (mode->crtc_hdisplay - 1));
+ REG_WRITE(map->src,
+ ((mode->crtc_hdisplay - 1) << 16) |
+ (mode->crtc_vdisplay - 1));
+ }
+
+ REG_WRITE(map->pos, 0);
+
+ if (gma_encoder)
+ drm_object_property_get_value(&connector->base,
+ dev->mode_config.scaling_mode_property, &scalingType);
+
+ if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
+ /* Medfield doesn't have register support for centering so we
+ * need to mess with the h/vblank and h/vsync start and ends
+ * to get centering
+ */
+ int offsetX = 0, offsetY = 0;
+
+ offsetX = (adjusted_mode->crtc_hdisplay -
+ mode->crtc_hdisplay) / 2;
+ offsetY = (adjusted_mode->crtc_vdisplay -
+ mode->crtc_vdisplay) / 2;
+
+ REG_WRITE(map->htotal, (mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ REG_WRITE(map->vtotal, (mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start -
+ offsetX - 1) |
+ ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
+ REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start -
+ offsetX - 1) |
+ ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
+ REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start -
+ offsetY - 1) |
+ ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
+ REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start -
+ offsetY - 1) |
+ ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
+ } else {
+ REG_WRITE(map->htotal, (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ REG_WRITE(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ }
+
+ /* Flush the plane changes */
+ {
+ const struct drm_crtc_helper_funcs *crtc_funcs =
+ crtc->helper_private;
+ crtc_funcs->mode_set_base(crtc, x, y, old_fb);
+ }
+
+ /* setup pipeconf */
+ dev_priv->pipeconf[pipe] = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */
+
+ /* Set up the display plane register */
+ dev_priv->dspcntr[pipe] = REG_READ(map->cntr);
+ dev_priv->dspcntr[pipe] |= pipe << DISPPLANE_SEL_PIPE_POS;
+ dev_priv->dspcntr[pipe] |= DISPLAY_PLANE_ENABLE;
+
+ if (is_mipi2)
+ goto mrst_crtc_mode_set_exit;
+ clk = adjusted_mode->clock;
+
+ if (is_hdmi) {
+ if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19)) {
+ refclk = 19200;
+
+ if (is_mipi || is_mipi2)
+ clk_n = 1, clk_p2 = 8;
+ else if (is_hdmi)
+ clk_n = 1, clk_p2 = 10;
+ } else if (ksel == KSEL_BYPASS_25) {
+ refclk = 25000;
+
+ if (is_mipi || is_mipi2)
+ clk_n = 1, clk_p2 = 8;
+ else if (is_hdmi)
+ clk_n = 1, clk_p2 = 10;
+ } else if ((ksel == KSEL_BYPASS_83_100) &&
+ dev_priv->core_freq == 166) {
+ refclk = 83000;
+
+ if (is_mipi || is_mipi2)
+ clk_n = 4, clk_p2 = 8;
+ else if (is_hdmi)
+ clk_n = 4, clk_p2 = 10;
+ } else if ((ksel == KSEL_BYPASS_83_100) &&
+ (dev_priv->core_freq == 100 ||
+ dev_priv->core_freq == 200)) {
+ refclk = 100000;
+ if (is_mipi || is_mipi2)
+ clk_n = 4, clk_p2 = 8;
+ else if (is_hdmi)
+ clk_n = 4, clk_p2 = 10;
+ }
+
+ if (is_mipi)
+ clk_byte = dev_priv->bpp / 8;
+ else if (is_mipi2)
+ clk_byte = dev_priv->bpp2 / 8;
+
+ clk_tmp = clk * clk_n * clk_p2 * clk_byte;
+
+ dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d.\n",
+ clk, clk_n, clk_p2);
+ dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d.\n",
+ adjusted_mode->clock, clk_tmp);
+
+ ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock);
+
+ if (!ok) {
+ DRM_ERROR
+ ("mdfldFindBestPLL fail in mdfld_crtc_mode_set.\n");
+ } else {
+ m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)];
+
+ dev_dbg(dev->dev, "dot clock = %d,"
+ "m = %d, p1 = %d, m_conv = %d.\n",
+ clock.dot, clock.m,
+ clock.p1, m_conv);
+ }
+
+ dpll = REG_READ(map->dpll);
+
+ if (dpll & DPLL_VCO_ENABLE) {
+ dpll &= ~DPLL_VCO_ENABLE;
+ REG_WRITE(map->dpll, dpll);
+ REG_READ(map->dpll);
+
+ /* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+
+ /* reset M1, N1 & P1 */
+ REG_WRITE(map->fp0, 0);
+ dpll &= ~MDFLD_P1_MASK;
+ REG_WRITE(map->dpll, dpll);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+ }
+
+ /* When ungating power of DPLL, needs to wait 0.5us before
+ * enable the VCO */
+ if (dpll & MDFLD_PWR_GATE_EN) {
+ dpll &= ~MDFLD_PWR_GATE_EN;
+ REG_WRITE(map->dpll, dpll);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+ }
+ dpll = 0;
+
+#if 0 /* FIXME revisit later */
+ if (ksel == KSEL_CRYSTAL_19 || ksel == KSEL_BYPASS_19 ||
+ ksel == KSEL_BYPASS_25)
+ dpll &= ~MDFLD_INPUT_REF_SEL;
+ else if (ksel == KSEL_BYPASS_83_100)
+ dpll |= MDFLD_INPUT_REF_SEL;
+#endif /* FIXME revisit later */
+
+ if (is_hdmi)
+ dpll |= MDFLD_VCO_SEL;
+
+ fp = (clk_n / 2) << 16;
+ fp |= m_conv;
+
+ /* compute bitmask from p1 value */
+ dpll |= (1 << (clock.p1 - 2)) << 17;
+
+#if 0 /* 1080p30 & 720p */
+ dpll = 0x00050000;
+ fp = 0x000001be;
+#endif
+#if 0 /* 480p */
+ dpll = 0x02010000;
+ fp = 0x000000d2;
+#endif
+ } else {
+#if 0 /*DBI_TPO_480x864*/
+ dpll = 0x00020000;
+ fp = 0x00000156;
+#endif /* DBI_TPO_480x864 */ /* get from spec. */
+
+ dpll = 0x00800000;
+ fp = 0x000000c1;
+ }
+
+ REG_WRITE(map->fp0, fp);
+ REG_WRITE(map->dpll, dpll);
+ /* FIXME_MDFLD PO - change 500 to 1 after PO */
+ udelay(500);
+
+ dpll |= DPLL_VCO_ENABLE;
+ REG_WRITE(map->dpll, dpll);
+ REG_READ(map->dpll);
+
+ /* wait for DSI PLL to lock */
+ while (timeout < 20000 &&
+ !(REG_READ(map->conf) & PIPECONF_DSIPLL_LOCK)) {
+ udelay(150);
+ timeout++;
+ }
+
+ if (is_mipi)
+ goto mrst_crtc_mode_set_exit;
+
+ dev_dbg(dev->dev, "is_mipi = 0x%x\n", is_mipi);
+
+ REG_WRITE(map->conf, dev_priv->pipeconf[pipe]);
+ REG_READ(map->conf);
+
+ /* Wait for for the pipe enable to take effect. */
+ REG_WRITE(map->cntr, dev_priv->dspcntr[pipe]);
+ gma_wait_for_vblank(dev);
+
+mrst_crtc_mode_set_exit:
+
+ gma_power_end(dev);
+
+ return 0;
+}
+
+const struct drm_crtc_helper_funcs mdfld_helper_funcs = {
+ .dpms = mdfld_crtc_dpms,
+ .mode_fixup = gma_crtc_mode_fixup,
+ .mode_set = mdfld_crtc_mode_set,
+ .mode_set_base = mdfld__intel_pipe_set_base,
+ .prepare = gma_crtc_prepare,
+ .commit = gma_crtc_commit,
+};
+
diff --git a/drivers/gpu/drm/gma500/mdfld_output.c b/drivers/gpu/drm/gma500/mdfld_output.c
new file mode 100644
index 0000000..c95966b
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_output.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicensen
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Thomas Eaton <thomas.g.eaton@intel.com>
+ * Scott Rowe <scott.m.rowe@intel.com>
+*/
+
+#include "mdfld_output.h"
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_dsi_output.h"
+
+#include "tc35876x-dsi-lvds.h"
+
+int mdfld_get_panel_type(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ return dev_priv->mdfld_panel_id;
+}
+
+static void mdfld_init_panel(struct drm_device *dev, int mipi_pipe,
+ int p_type)
+{
+ switch (p_type) {
+ case TPO_VID:
+ mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tpo_vid_funcs);
+ break;
+ case TC35876X:
+ tc35876x_init(dev);
+ mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tc35876x_funcs);
+ break;
+ case TMD_VID:
+ mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tmd_vid_funcs);
+ break;
+ case HDMI:
+/* if (dev_priv->mdfld_hdmi_present)
+ mdfld_hdmi_init(dev, &dev_priv->mode_dev); */
+ break;
+ }
+}
+
+
+int mdfld_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* FIXME: hardcoded for now */
+ dev_priv->mdfld_panel_id = TC35876X;
+ /* MIPI panel 1 */
+ mdfld_init_panel(dev, 0, dev_priv->mdfld_panel_id);
+ /* HDMI panel */
+ mdfld_init_panel(dev, 1, HDMI);
+ return 0;
+}
+
diff --git a/drivers/gpu/drm/gma500/mdfld_output.h b/drivers/gpu/drm/gma500/mdfld_output.h
new file mode 100644
index 0000000..ab2b27c
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_output.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicensen
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Thomas Eaton <thomas.g.eaton@intel.com>
+ * Scott Rowe <scott.m.rowe@intel.com>
+*/
+
+#ifndef MDFLD_OUTPUT_H
+#define MDFLD_OUTPUT_H
+
+#include "psb_drv.h"
+
+#define TPO_PANEL_WIDTH 84
+#define TPO_PANEL_HEIGHT 46
+#define TMD_PANEL_WIDTH 39
+#define TMD_PANEL_HEIGHT 71
+
+struct mdfld_dsi_config;
+
+enum panel_type {
+ TPO_VID,
+ TMD_VID,
+ HDMI,
+ TC35876X,
+};
+
+struct panel_info {
+ u32 width_mm;
+ u32 height_mm;
+ /* Other info */
+};
+
+struct panel_funcs {
+ const struct drm_encoder_funcs *encoder_funcs;
+ const struct drm_encoder_helper_funcs *encoder_helper_funcs;
+ struct drm_display_mode * (*get_config_mode)(struct drm_device *);
+ int (*get_panel_info)(struct drm_device *, int, struct panel_info *);
+ int (*reset)(int pipe);
+ void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe);
+};
+
+int mdfld_output_init(struct drm_device *dev);
+
+struct backlight_device *mdfld_get_backlight_device(void);
+int mdfld_set_brightness(struct backlight_device *bd);
+
+int mdfld_get_panel_type(struct drm_device *dev, int pipe);
+
+extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
+
+extern const struct panel_funcs mdfld_tmd_vid_funcs;
+extern const struct panel_funcs mdfld_tpo_vid_funcs;
+
+extern void mdfld_disable_crtc(struct drm_device *dev, int pipe);
+extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe);
+extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe);
+#endif
diff --git a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
new file mode 100644
index 0000000..dc0c6c3
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Jim Liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ * Gideon Eaton <eaton.
+ * Scott Rowe <scott.m.rowe@intel.com>
+ */
+
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_dsi_pkg_sender.h"
+
+static struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev)
+{
+ struct drm_display_mode *mode;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD;
+ bool use_gct = false; /*Disable GCT for now*/
+
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return NULL;
+
+ if (use_gct) {
+ mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
+ mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
+ mode->hsync_start = mode->hdisplay + \
+ ((ti->hsync_offset_hi << 8) | \
+ ti->hsync_offset_lo);
+ mode->hsync_end = mode->hsync_start + \
+ ((ti->hsync_pulse_width_hi << 8) | \
+ ti->hsync_pulse_width_lo);
+ mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
+ ti->hblank_lo);
+ mode->vsync_start = \
+ mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
+ ti->vsync_offset_lo);
+ mode->vsync_end = \
+ mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
+ ti->vsync_pulse_width_lo);
+ mode->vtotal = mode->vdisplay + \
+ ((ti->vblank_hi << 8) | ti->vblank_lo);
+ mode->clock = ti->pixel_clock * 10;
+
+ dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
+ dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
+ dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
+ dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
+ dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
+ dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
+ dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
+ dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
+ dev_dbg(dev->dev, "clock is %d\n", mode->clock);
+ } else {
+ mode->hdisplay = 480;
+ mode->vdisplay = 854;
+ mode->hsync_start = 487;
+ mode->hsync_end = 490;
+ mode->htotal = 499;
+ mode->vsync_start = 861;
+ mode->vsync_end = 865;
+ mode->vtotal = 873;
+ mode->clock = 33264;
+ }
+
+ drm_mode_set_name(mode);
+ drm_mode_set_crtcinfo(mode, 0);
+
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ return mode;
+}
+
+static int tmd_vid_get_panel_info(struct drm_device *dev,
+ int pipe,
+ struct panel_info *pi)
+{
+ if (!dev || !pi)
+ return -EINVAL;
+
+ pi->width_mm = TMD_PANEL_WIDTH;
+ pi->height_mm = TMD_PANEL_HEIGHT;
+
+ return 0;
+}
+
+/* ************************************************************************* *\
+ * FUNCTION: mdfld_init_TMD_MIPI
+ *
+ * DESCRIPTION: This function is called only by mrst_dsi_mode_set and
+ * restore_display_registers. since this function does not
+ * acquire the mutex, it is important that the calling function
+ * does!
+\* ************************************************************************* */
+
+/* FIXME: make the below data u8 instead of u32; note byte order! */
+static u32 tmd_cmd_mcap_off[] = {0x000000b2};
+static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef};
+static u32 tmd_cmd_set_lane_num[] = {0x006360ef};
+static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef};
+static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef};
+static u32 tmd_cmd_set_mode[] = {0x000000b3};
+static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef};
+static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df};
+static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055};
+static u32 tmd_cmd_set_video_mode[] = {0x00000153};
+/*no auto_bl,need add in furture*/
+static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};
+static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd};
+
+static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config,
+ int pipe)
+{
+ struct mdfld_dsi_pkg_sender *sender
+ = mdfld_dsi_get_pkg_sender(dsi_config);
+
+ DRM_INFO("Enter mdfld init TMD MIPI display.\n");
+
+ if (!sender) {
+ DRM_ERROR("Cannot get sender\n");
+ return;
+ }
+
+ if (dsi_config->dvr_ic_inited)
+ return;
+
+ msleep(3);
+
+ /* FIXME: make the below data u8 instead of u32; note byte order! */
+
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_mcap_off,
+ sizeof(tmd_cmd_mcap_off), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_enable_lane_switch,
+ sizeof(tmd_cmd_enable_lane_switch), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_lane_num,
+ sizeof(tmd_cmd_set_lane_num), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_pushing_clock0,
+ sizeof(tmd_cmd_pushing_clock0), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_pushing_clock1,
+ sizeof(tmd_cmd_pushing_clock1), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_mode,
+ sizeof(tmd_cmd_set_mode), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_sync_pulse_mode,
+ sizeof(tmd_cmd_set_sync_pulse_mode), false);
+ mdfld_dsi_send_mcs_long(sender, (u8 *) tmd_cmd_set_column,
+ sizeof(tmd_cmd_set_column), false);
+ mdfld_dsi_send_mcs_long(sender, (u8 *) tmd_cmd_set_page,
+ sizeof(tmd_cmd_set_page), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_video_mode,
+ sizeof(tmd_cmd_set_video_mode), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_enable_backlight,
+ sizeof(tmd_cmd_enable_backlight), false);
+ mdfld_dsi_send_gen_long(sender, (u8 *) tmd_cmd_set_backlight_dimming,
+ sizeof(tmd_cmd_set_backlight_dimming), false);
+
+ dsi_config->dvr_ic_inited = 1;
+}
+
+/*TPO DPI encoder helper funcs*/
+static const struct drm_encoder_helper_funcs
+ mdfld_tpo_dpi_encoder_helper_funcs = {
+ .dpms = mdfld_dsi_dpi_dpms,
+ .mode_fixup = mdfld_dsi_dpi_mode_fixup,
+ .prepare = mdfld_dsi_dpi_prepare,
+ .mode_set = mdfld_dsi_dpi_mode_set,
+ .commit = mdfld_dsi_dpi_commit,
+};
+
+/*TPO DPI encoder funcs*/
+static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+const struct panel_funcs mdfld_tmd_vid_funcs = {
+ .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs,
+ .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
+ .get_config_mode = &tmd_vid_get_config_mode,
+ .get_panel_info = tmd_vid_get_panel_info,
+ .reset = mdfld_dsi_panel_reset,
+ .drv_ic_init = mdfld_dsi_tmd_drv_ic_init,
+};
diff --git a/drivers/gpu/drm/gma500/mdfld_tpo_vid.c b/drivers/gpu/drm/gma500/mdfld_tpo_vid.c
new file mode 100644
index 0000000..d8d4170
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mdfld_tpo_vid.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * jim liu <jim.liu@intel.com>
+ * Jackie Li<yaodong.li@intel.com>
+ */
+
+#include "mdfld_dsi_dpi.h"
+
+static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
+{
+ struct drm_display_mode *mode;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD;
+ bool use_gct = false;
+
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return NULL;
+
+ if (use_gct) {
+ mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
+ mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
+ mode->hsync_start = mode->hdisplay +
+ ((ti->hsync_offset_hi << 8) |
+ ti->hsync_offset_lo);
+ mode->hsync_end = mode->hsync_start +
+ ((ti->hsync_pulse_width_hi << 8) |
+ ti->hsync_pulse_width_lo);
+ mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) |
+ ti->hblank_lo);
+ mode->vsync_start =
+ mode->vdisplay + ((ti->vsync_offset_hi << 8) |
+ ti->vsync_offset_lo);
+ mode->vsync_end =
+ mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) |
+ ti->vsync_pulse_width_lo);
+ mode->vtotal = mode->vdisplay +
+ ((ti->vblank_hi << 8) | ti->vblank_lo);
+ mode->clock = ti->pixel_clock * 10;
+
+ dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
+ dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
+ dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
+ dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
+ dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
+ dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
+ dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
+ dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
+ dev_dbg(dev->dev, "clock is %d\n", mode->clock);
+ } else {
+ mode->hdisplay = 864;
+ mode->vdisplay = 480;
+ mode->hsync_start = 873;
+ mode->hsync_end = 876;
+ mode->htotal = 887;
+ mode->vsync_start = 487;
+ mode->vsync_end = 490;
+ mode->vtotal = 499;
+ mode->clock = 33264;
+ }
+
+ drm_mode_set_name(mode);
+ drm_mode_set_crtcinfo(mode, 0);
+
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ return mode;
+}
+
+static int tpo_vid_get_panel_info(struct drm_device *dev,
+ int pipe,
+ struct panel_info *pi)
+{
+ if (!dev || !pi)
+ return -EINVAL;
+
+ pi->width_mm = TPO_PANEL_WIDTH;
+ pi->height_mm = TPO_PANEL_HEIGHT;
+
+ return 0;
+}
+
+/*TPO DPI encoder helper funcs*/
+static const struct drm_encoder_helper_funcs
+ mdfld_tpo_dpi_encoder_helper_funcs = {
+ .dpms = mdfld_dsi_dpi_dpms,
+ .mode_fixup = mdfld_dsi_dpi_mode_fixup,
+ .prepare = mdfld_dsi_dpi_prepare,
+ .mode_set = mdfld_dsi_dpi_mode_set,
+ .commit = mdfld_dsi_dpi_commit,
+};
+
+/*TPO DPI encoder funcs*/
+static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+const struct panel_funcs mdfld_tpo_vid_funcs = {
+ .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs,
+ .encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
+ .get_config_mode = &tpo_vid_get_config_mode,
+ .get_panel_info = tpo_vid_get_panel_info,
+};
diff --git a/drivers/gpu/drm/gma500/mid_bios.c b/drivers/gpu/drm/gma500/mid_bios.c
new file mode 100644
index 0000000..d75ecb3
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mid_bios.c
@@ -0,0 +1,337 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+/* TODO
+ * - Split functions by vbt type
+ * - Make them all take drm_device
+ * - Check ioremap failures
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "mid_bios.h"
+
+static void mid_get_fuse_settings(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ uint32_t fuse_value = 0;
+ uint32_t fuse_value_tmp = 0;
+
+#define FB_REG06 0xD0810600
+#define FB_MIPI_DISABLE (1 << 11)
+#define FB_REG09 0xD0810900
+#define FB_SKU_MASK 0x7000
+#define FB_SKU_SHIFT 12
+#define FB_SKU_100 0
+#define FB_SKU_100L 1
+#define FB_SKU_83 2
+ if (pci_root == NULL) {
+ WARN_ON(1);
+ return;
+ }
+
+
+ pci_write_config_dword(pci_root, 0xD0, FB_REG06);
+ pci_read_config_dword(pci_root, 0xD4, &fuse_value);
+
+ /* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */
+ if (IS_MRST(dev))
+ dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE;
+
+ DRM_INFO("internal display is %s\n",
+ dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display");
+
+ /* Prevent runtime suspend at start*/
+ if (dev_priv->iLVDS_enable) {
+ dev_priv->is_lvds_on = true;
+ dev_priv->is_mipi_on = false;
+ } else {
+ dev_priv->is_mipi_on = true;
+ dev_priv->is_lvds_on = false;
+ }
+
+ dev_priv->video_device_fuse = fuse_value;
+
+ pci_write_config_dword(pci_root, 0xD0, FB_REG09);
+ pci_read_config_dword(pci_root, 0xD4, &fuse_value);
+
+ dev_dbg(dev->dev, "SKU values is 0x%x.\n", fuse_value);
+ fuse_value_tmp = (fuse_value & FB_SKU_MASK) >> FB_SKU_SHIFT;
+
+ dev_priv->fuse_reg_value = fuse_value;
+
+ switch (fuse_value_tmp) {
+ case FB_SKU_100:
+ dev_priv->core_freq = 200;
+ break;
+ case FB_SKU_100L:
+ dev_priv->core_freq = 100;
+ break;
+ case FB_SKU_83:
+ dev_priv->core_freq = 166;
+ break;
+ default:
+ dev_warn(dev->dev, "Invalid SKU values, SKU value = 0x%08x\n",
+ fuse_value_tmp);
+ dev_priv->core_freq = 0;
+ }
+ dev_dbg(dev->dev, "LNC core clk is %dMHz.\n", dev_priv->core_freq);
+ pci_dev_put(pci_root);
+}
+
+/*
+ * Get the revison ID, B0:D2:F0;0x08
+ */
+static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
+{
+ uint32_t platform_rev_id = 0;
+ struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
+
+ if (pci_gfx_root == NULL) {
+ WARN_ON(1);
+ return;
+ }
+ pci_read_config_dword(pci_gfx_root, 0x08, &platform_rev_id);
+ dev_priv->platform_rev_id = (uint8_t) platform_rev_id;
+ pci_dev_put(pci_gfx_root);
+ dev_dbg(dev_priv->dev->dev, "platform_rev_id is %x\n",
+ dev_priv->platform_rev_id);
+}
+
+struct mid_vbt_header {
+ u32 signature;
+ u8 revision;
+} __packed;
+
+/* The same for r0 and r1 */
+struct vbt_r0 {
+ struct mid_vbt_header vbt_header;
+ u8 size;
+ u8 checksum;
+} __packed;
+
+struct vbt_r10 {
+ struct mid_vbt_header vbt_header;
+ u8 checksum;
+ u16 size;
+ u8 panel_count;
+ u8 primary_panel_idx;
+ u8 secondary_panel_idx;
+ u8 __reserved[5];
+} __packed;
+
+static int read_vbt_r0(u32 addr, struct vbt_r0 *vbt)
+{
+ void __iomem *vbt_virtual;
+
+ vbt_virtual = ioremap(addr, sizeof(*vbt));
+ if (vbt_virtual == NULL)
+ return -1;
+
+ memcpy_fromio(vbt, vbt_virtual, sizeof(*vbt));
+ iounmap(vbt_virtual);
+
+ return 0;
+}
+
+static int read_vbt_r10(u32 addr, struct vbt_r10 *vbt)
+{
+ void __iomem *vbt_virtual;
+
+ vbt_virtual = ioremap(addr, sizeof(*vbt));
+ if (!vbt_virtual)
+ return -1;
+
+ memcpy_fromio(vbt, vbt_virtual, sizeof(*vbt));
+ iounmap(vbt_virtual);
+
+ return 0;
+}
+
+static int mid_get_vbt_data_r0(struct drm_psb_private *dev_priv, u32 addr)
+{
+ struct vbt_r0 vbt;
+ void __iomem *gct_virtual;
+ struct gct_r0 gct;
+ u8 bpi;
+
+ if (read_vbt_r0(addr, &vbt))
+ return -1;
+
+ gct_virtual = ioremap(addr + sizeof(vbt), vbt.size - sizeof(vbt));
+ if (!gct_virtual)
+ return -1;
+ memcpy_fromio(&gct, gct_virtual, sizeof(gct));
+ iounmap(gct_virtual);
+
+ bpi = gct.PD.BootPanelIndex;
+ dev_priv->gct_data.bpi = bpi;
+ dev_priv->gct_data.pt = gct.PD.PanelType;
+ dev_priv->gct_data.DTD = gct.panel[bpi].DTD;
+ dev_priv->gct_data.Panel_Port_Control =
+ gct.panel[bpi].Panel_Port_Control;
+ dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
+ gct.panel[bpi].Panel_MIPI_Display_Descriptor;
+
+ return 0;
+}
+
+static int mid_get_vbt_data_r1(struct drm_psb_private *dev_priv, u32 addr)
+{
+ struct vbt_r0 vbt;
+ void __iomem *gct_virtual;
+ struct gct_r1 gct;
+ u8 bpi;
+
+ if (read_vbt_r0(addr, &vbt))
+ return -1;
+
+ gct_virtual = ioremap(addr + sizeof(vbt), vbt.size - sizeof(vbt));
+ if (!gct_virtual)
+ return -1;
+ memcpy_fromio(&gct, gct_virtual, sizeof(gct));
+ iounmap(gct_virtual);
+
+ bpi = gct.PD.BootPanelIndex;
+ dev_priv->gct_data.bpi = bpi;
+ dev_priv->gct_data.pt = gct.PD.PanelType;
+ dev_priv->gct_data.DTD = gct.panel[bpi].DTD;
+ dev_priv->gct_data.Panel_Port_Control =
+ gct.panel[bpi].Panel_Port_Control;
+ dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
+ gct.panel[bpi].Panel_MIPI_Display_Descriptor;
+
+ return 0;
+}
+
+static int mid_get_vbt_data_r10(struct drm_psb_private *dev_priv, u32 addr)
+{
+ struct vbt_r10 vbt;
+ void __iomem *gct_virtual;
+ struct gct_r10 *gct;
+ struct oaktrail_timing_info *dp_ti = &dev_priv->gct_data.DTD;
+ struct gct_r10_timing_info *ti;
+ int ret = -1;
+
+ if (read_vbt_r10(addr, &vbt))
+ return -1;
+
+ gct = kmalloc(sizeof(*gct) * vbt.panel_count, GFP_KERNEL);
+ if (!gct)
+ return -1;
+
+ gct_virtual = ioremap(addr + sizeof(vbt),
+ sizeof(*gct) * vbt.panel_count);
+ if (!gct_virtual)
+ goto out;
+ memcpy_fromio(gct, gct_virtual, sizeof(*gct));
+ iounmap(gct_virtual);
+
+ dev_priv->gct_data.bpi = vbt.primary_panel_idx;
+ dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
+ gct[vbt.primary_panel_idx].Panel_MIPI_Display_Descriptor;
+
+ ti = &gct[vbt.primary_panel_idx].DTD;
+ dp_ti->pixel_clock = ti->pixel_clock;
+ dp_ti->hactive_hi = ti->hactive_hi;
+ dp_ti->hactive_lo = ti->hactive_lo;
+ dp_ti->hblank_hi = ti->hblank_hi;
+ dp_ti->hblank_lo = ti->hblank_lo;
+ dp_ti->hsync_offset_hi = ti->hsync_offset_hi;
+ dp_ti->hsync_offset_lo = ti->hsync_offset_lo;
+ dp_ti->hsync_pulse_width_hi = ti->hsync_pulse_width_hi;
+ dp_ti->hsync_pulse_width_lo = ti->hsync_pulse_width_lo;
+ dp_ti->vactive_hi = ti->vactive_hi;
+ dp_ti->vactive_lo = ti->vactive_lo;
+ dp_ti->vblank_hi = ti->vblank_hi;
+ dp_ti->vblank_lo = ti->vblank_lo;
+ dp_ti->vsync_offset_hi = ti->vsync_offset_hi;
+ dp_ti->vsync_offset_lo = ti->vsync_offset_lo;
+ dp_ti->vsync_pulse_width_hi = ti->vsync_pulse_width_hi;
+ dp_ti->vsync_pulse_width_lo = ti->vsync_pulse_width_lo;
+
+ ret = 0;
+out:
+ kfree(gct);
+ return ret;
+}
+
+static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
+{
+ struct drm_device *dev = dev_priv->dev;
+ u32 addr;
+ u8 __iomem *vbt_virtual;
+ struct mid_vbt_header vbt_header;
+ struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
+ int ret = -1;
+
+ /* Get the address of the platform config vbt */
+ pci_read_config_dword(pci_gfx_root, 0xFC, &addr);
+ pci_dev_put(pci_gfx_root);
+
+ dev_dbg(dev->dev, "drm platform config address is %x\n", addr);
+
+ if (!addr)
+ goto out;
+
+ /* get the virtual address of the vbt */
+ vbt_virtual = ioremap(addr, sizeof(vbt_header));
+ if (!vbt_virtual)
+ goto out;
+
+ memcpy_fromio(&vbt_header, vbt_virtual, sizeof(vbt_header));
+ iounmap(vbt_virtual);
+
+ if (memcmp(&vbt_header.signature, "$GCT", 4))
+ goto out;
+
+ dev_dbg(dev->dev, "GCT revision is %02x\n", vbt_header.revision);
+
+ switch (vbt_header.revision) {
+ case 0x00:
+ ret = mid_get_vbt_data_r0(dev_priv, addr);
+ break;
+ case 0x01:
+ ret = mid_get_vbt_data_r1(dev_priv, addr);
+ break;
+ case 0x10:
+ ret = mid_get_vbt_data_r10(dev_priv, addr);
+ break;
+ default:
+ dev_err(dev->dev, "Unknown revision of GCT!\n");
+ }
+
+out:
+ if (ret)
+ dev_err(dev->dev, "Unable to read GCT!");
+ else
+ dev_priv->has_gct = true;
+}
+
+int mid_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ mid_get_fuse_settings(dev);
+ mid_get_vbt_data(dev_priv);
+ mid_get_pci_revID(dev_priv);
+ return 0;
+}
diff --git a/drivers/gpu/drm/gma500/mid_bios.h b/drivers/gpu/drm/gma500/mid_bios.h
new file mode 100644
index 0000000..00e7d56
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mid_bios.h
@@ -0,0 +1,21 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+extern int mid_chip_setup(struct drm_device *dev);
+
diff --git a/drivers/gpu/drm/gma500/mmu.c b/drivers/gpu/drm/gma500/mmu.c
new file mode 100644
index 0000000..0eaf11c
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mmu.c
@@ -0,0 +1,812 @@
+/**************************************************************************
+ * Copyright (c) 2007, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+#include <drm/drmP.h>
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "mmu.h"
+
+/*
+ * Code for the SGX MMU:
+ */
+
+/*
+ * clflush on one processor only:
+ * clflush should apparently flush the cache line on all processors in an
+ * SMP system.
+ */
+
+/*
+ * kmap atomic:
+ * The usage of the slots must be completely encapsulated within a spinlock, and
+ * no other functions that may be using the locks for other purposed may be
+ * called from within the locked region.
+ * Since the slots are per processor, this will guarantee that we are the only
+ * user.
+ */
+
+/*
+ * TODO: Inserting ptes from an interrupt handler:
+ * This may be desirable for some SGX functionality where the GPU can fault in
+ * needed pages. For that, we need to make an atomic insert_pages function, that
+ * may fail.
+ * If it fails, the caller need to insert the page using a workqueue function,
+ * but on average it should be fast.
+ */
+
+static inline uint32_t psb_mmu_pt_index(uint32_t offset)
+{
+ return (offset >> PSB_PTE_SHIFT) & 0x3FF;
+}
+
+static inline uint32_t psb_mmu_pd_index(uint32_t offset)
+{
+ return offset >> PSB_PDE_SHIFT;
+}
+
+#if defined(CONFIG_X86)
+static inline void psb_clflush(void *addr)
+{
+ __asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory");
+}
+
+static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr)
+{
+ if (!driver->has_clflush)
+ return;
+
+ mb();
+ psb_clflush(addr);
+ mb();
+}
+#else
+
+static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr)
+{;
+}
+
+#endif
+
+static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver, int force)
+{
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (atomic_read(&driver->needs_tlbflush) || force) {
+ uint32_t val = PSB_RSGX32(PSB_CR_BIF_CTRL);
+ PSB_WSGX32(val | _PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL);
+
+ /* Make sure data cache is turned off before enabling it */
+ wmb();
+ PSB_WSGX32(val & ~_PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL);
+ (void)PSB_RSGX32(PSB_CR_BIF_CTRL);
+ if (driver->msvdx_mmu_invaldc)
+ atomic_set(driver->msvdx_mmu_invaldc, 1);
+ }
+ atomic_set(&driver->needs_tlbflush, 0);
+}
+
+#if 0
+static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force)
+{
+ down_write(&driver->sem);
+ psb_mmu_flush_pd_locked(driver, force);
+ up_write(&driver->sem);
+}
+#endif
+
+void psb_mmu_flush(struct psb_mmu_driver *driver)
+{
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ uint32_t val;
+
+ down_write(&driver->sem);
+ val = PSB_RSGX32(PSB_CR_BIF_CTRL);
+ if (atomic_read(&driver->needs_tlbflush))
+ PSB_WSGX32(val | _PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL);
+ else
+ PSB_WSGX32(val | _PSB_CB_CTRL_FLUSH, PSB_CR_BIF_CTRL);
+
+ /* Make sure data cache is turned off and MMU is flushed before
+ restoring bank interface control register */
+ wmb();
+ PSB_WSGX32(val & ~(_PSB_CB_CTRL_FLUSH | _PSB_CB_CTRL_INVALDC),
+ PSB_CR_BIF_CTRL);
+ (void)PSB_RSGX32(PSB_CR_BIF_CTRL);
+
+ atomic_set(&driver->needs_tlbflush, 0);
+ if (driver->msvdx_mmu_invaldc)
+ atomic_set(driver->msvdx_mmu_invaldc, 1);
+ up_write(&driver->sem);
+}
+
+void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context)
+{
+ struct drm_device *dev = pd->driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ uint32_t offset = (hw_context == 0) ? PSB_CR_BIF_DIR_LIST_BASE0 :
+ PSB_CR_BIF_DIR_LIST_BASE1 + hw_context * 4;
+
+ down_write(&pd->driver->sem);
+ PSB_WSGX32(page_to_pfn(pd->p) << PAGE_SHIFT, offset);
+ wmb();
+ psb_mmu_flush_pd_locked(pd->driver, 1);
+ pd->hw_context = hw_context;
+ up_write(&pd->driver->sem);
+
+}
+
+static inline unsigned long psb_pd_addr_end(unsigned long addr,
+ unsigned long end)
+{
+ addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK;
+ return (addr < end) ? addr : end;
+}
+
+static inline uint32_t psb_mmu_mask_pte(uint32_t pfn, int type)
+{
+ uint32_t mask = PSB_PTE_VALID;
+
+ if (type & PSB_MMU_CACHED_MEMORY)
+ mask |= PSB_PTE_CACHED;
+ if (type & PSB_MMU_RO_MEMORY)
+ mask |= PSB_PTE_RO;
+ if (type & PSB_MMU_WO_MEMORY)
+ mask |= PSB_PTE_WO;
+
+ return (pfn << PAGE_SHIFT) | mask;
+}
+
+struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
+ int trap_pagefaults, int invalid_type)
+{
+ struct psb_mmu_pd *pd = kmalloc(sizeof(*pd), GFP_KERNEL);
+ uint32_t *v;
+ int i;
+
+ if (!pd)
+ return NULL;
+
+ pd->p = alloc_page(GFP_DMA32);
+ if (!pd->p)
+ goto out_err1;
+ pd->dummy_pt = alloc_page(GFP_DMA32);
+ if (!pd->dummy_pt)
+ goto out_err2;
+ pd->dummy_page = alloc_page(GFP_DMA32);
+ if (!pd->dummy_page)
+ goto out_err3;
+
+ if (!trap_pagefaults) {
+ pd->invalid_pde = psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt),
+ invalid_type);
+ pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),
+ invalid_type);
+ } else {
+ pd->invalid_pde = 0;
+ pd->invalid_pte = 0;
+ }
+
+ v = kmap(pd->dummy_pt);
+ for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
+ v[i] = pd->invalid_pte;
+
+ kunmap(pd->dummy_pt);
+
+ v = kmap(pd->p);
+ for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
+ v[i] = pd->invalid_pde;
+
+ kunmap(pd->p);
+
+ clear_page(kmap(pd->dummy_page));
+ kunmap(pd->dummy_page);
+
+ pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024);
+ if (!pd->tables)
+ goto out_err4;
+
+ pd->hw_context = -1;
+ pd->pd_mask = PSB_PTE_VALID;
+ pd->driver = driver;
+
+ return pd;
+
+out_err4:
+ __free_page(pd->dummy_page);
+out_err3:
+ __free_page(pd->dummy_pt);
+out_err2:
+ __free_page(pd->p);
+out_err1:
+ kfree(pd);
+ return NULL;
+}
+
+static void psb_mmu_free_pt(struct psb_mmu_pt *pt)
+{
+ __free_page(pt->p);
+ kfree(pt);
+}
+
+void psb_mmu_free_pagedir(struct psb_mmu_pd *pd)
+{
+ struct psb_mmu_driver *driver = pd->driver;
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_mmu_pt *pt;
+ int i;
+
+ down_write(&driver->sem);
+ if (pd->hw_context != -1) {
+ PSB_WSGX32(0, PSB_CR_BIF_DIR_LIST_BASE0 + pd->hw_context * 4);
+ psb_mmu_flush_pd_locked(driver, 1);
+ }
+
+ /* Should take the spinlock here, but we don't need to do that
+ since we have the semaphore in write mode. */
+
+ for (i = 0; i < 1024; ++i) {
+ pt = pd->tables[i];
+ if (pt)
+ psb_mmu_free_pt(pt);
+ }
+
+ vfree(pd->tables);
+ __free_page(pd->dummy_page);
+ __free_page(pd->dummy_pt);
+ __free_page(pd->p);
+ kfree(pd);
+ up_write(&driver->sem);
+}
+
+static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
+{
+ struct psb_mmu_pt *pt = kmalloc(sizeof(*pt), GFP_KERNEL);
+ void *v;
+ uint32_t clflush_add = pd->driver->clflush_add >> PAGE_SHIFT;
+ uint32_t clflush_count = PAGE_SIZE / clflush_add;
+ spinlock_t *lock = &pd->driver->lock;
+ uint8_t *clf;
+ uint32_t *ptes;
+ int i;
+
+ if (!pt)
+ return NULL;
+
+ pt->p = alloc_page(GFP_DMA32);
+ if (!pt->p) {
+ kfree(pt);
+ return NULL;
+ }
+
+ spin_lock(lock);
+
+ v = kmap_atomic(pt->p);
+ clf = (uint8_t *) v;
+ ptes = (uint32_t *) v;
+ for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
+ *ptes++ = pd->invalid_pte;
+
+#if defined(CONFIG_X86)
+ if (pd->driver->has_clflush && pd->hw_context != -1) {
+ mb();
+ for (i = 0; i < clflush_count; ++i) {
+ psb_clflush(clf);
+ clf += clflush_add;
+ }
+ mb();
+ }
+#endif
+ kunmap_atomic(v);
+ spin_unlock(lock);
+
+ pt->count = 0;
+ pt->pd = pd;
+ pt->index = 0;
+
+ return pt;
+}
+
+struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
+ unsigned long addr)
+{
+ uint32_t index = psb_mmu_pd_index(addr);
+ struct psb_mmu_pt *pt;
+ uint32_t *v;
+ spinlock_t *lock = &pd->driver->lock;
+
+ spin_lock(lock);
+ pt = pd->tables[index];
+ while (!pt) {
+ spin_unlock(lock);
+ pt = psb_mmu_alloc_pt(pd);
+ if (!pt)
+ return NULL;
+ spin_lock(lock);
+
+ if (pd->tables[index]) {
+ spin_unlock(lock);
+ psb_mmu_free_pt(pt);
+ spin_lock(lock);
+ pt = pd->tables[index];
+ continue;
+ }
+
+ v = kmap_atomic(pd->p);
+ pd->tables[index] = pt;
+ v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask;
+ pt->index = index;
+ kunmap_atomic((void *) v);
+
+ if (pd->hw_context != -1) {
+ psb_mmu_clflush(pd->driver, (void *)&v[index]);
+ atomic_set(&pd->driver->needs_tlbflush, 1);
+ }
+ }
+ pt->v = kmap_atomic(pt->p);
+ return pt;
+}
+
+static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd,
+ unsigned long addr)
+{
+ uint32_t index = psb_mmu_pd_index(addr);
+ struct psb_mmu_pt *pt;
+ spinlock_t *lock = &pd->driver->lock;
+
+ spin_lock(lock);
+ pt = pd->tables[index];
+ if (!pt) {
+ spin_unlock(lock);
+ return NULL;
+ }
+ pt->v = kmap_atomic(pt->p);
+ return pt;
+}
+
+static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
+{
+ struct psb_mmu_pd *pd = pt->pd;
+ uint32_t *v;
+
+ kunmap_atomic(pt->v);
+ if (pt->count == 0) {
+ v = kmap_atomic(pd->p);
+ v[pt->index] = pd->invalid_pde;
+ pd->tables[pt->index] = NULL;
+
+ if (pd->hw_context != -1) {
+ psb_mmu_clflush(pd->driver, (void *)&v[pt->index]);
+ atomic_set(&pd->driver->needs_tlbflush, 1);
+ }
+ kunmap_atomic(pt->v);
+ spin_unlock(&pd->driver->lock);
+ psb_mmu_free_pt(pt);
+ return;
+ }
+ spin_unlock(&pd->driver->lock);
+}
+
+static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt, unsigned long addr,
+ uint32_t pte)
+{
+ pt->v[psb_mmu_pt_index(addr)] = pte;
+}
+
+static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt,
+ unsigned long addr)
+{
+ pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte;
+}
+
+struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
+{
+ struct psb_mmu_pd *pd;
+
+ down_read(&driver->sem);
+ pd = driver->default_pd;
+ up_read(&driver->sem);
+
+ return pd;
+}
+
+/* Returns the physical address of the PD shared by sgx/msvdx */
+uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver)
+{
+ struct psb_mmu_pd *pd;
+
+ pd = psb_mmu_get_default_pd(driver);
+ return page_to_pfn(pd->p) << PAGE_SHIFT;
+}
+
+void psb_mmu_driver_takedown(struct psb_mmu_driver *driver)
+{
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ PSB_WSGX32(driver->bif_ctrl, PSB_CR_BIF_CTRL);
+ psb_mmu_free_pagedir(driver->default_pd);
+ kfree(driver);
+}
+
+struct psb_mmu_driver *psb_mmu_driver_init(struct drm_device *dev,
+ int trap_pagefaults,
+ int invalid_type,
+ atomic_t *msvdx_mmu_invaldc)
+{
+ struct psb_mmu_driver *driver;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ driver = kmalloc(sizeof(*driver), GFP_KERNEL);
+
+ if (!driver)
+ return NULL;
+
+ driver->dev = dev;
+ driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults,
+ invalid_type);
+ if (!driver->default_pd)
+ goto out_err1;
+
+ spin_lock_init(&driver->lock);
+ init_rwsem(&driver->sem);
+ down_write(&driver->sem);
+ atomic_set(&driver->needs_tlbflush, 1);
+ driver->msvdx_mmu_invaldc = msvdx_mmu_invaldc;
+
+ driver->bif_ctrl = PSB_RSGX32(PSB_CR_BIF_CTRL);
+ PSB_WSGX32(driver->bif_ctrl | _PSB_CB_CTRL_CLEAR_FAULT,
+ PSB_CR_BIF_CTRL);
+ PSB_WSGX32(driver->bif_ctrl & ~_PSB_CB_CTRL_CLEAR_FAULT,
+ PSB_CR_BIF_CTRL);
+
+ driver->has_clflush = 0;
+
+#if defined(CONFIG_X86)
+ if (boot_cpu_has(X86_FEATURE_CLFLUSH)) {
+ uint32_t tfms, misc, cap0, cap4, clflush_size;
+
+ /*
+ * clflush size is determined at kernel setup for x86_64 but not
+ * for i386. We have to do it here.
+ */
+
+ cpuid(0x00000001, &tfms, &misc, &cap0, &cap4);
+ clflush_size = ((misc >> 8) & 0xff) * 8;
+ driver->has_clflush = 1;
+ driver->clflush_add =
+ PAGE_SIZE * clflush_size / sizeof(uint32_t);
+ driver->clflush_mask = driver->clflush_add - 1;
+ driver->clflush_mask = ~driver->clflush_mask;
+ }
+#endif
+
+ up_write(&driver->sem);
+ return driver;
+
+out_err1:
+ kfree(driver);
+ return NULL;
+}
+
+#if defined(CONFIG_X86)
+static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
+ uint32_t num_pages, uint32_t desired_tile_stride,
+ uint32_t hw_tile_stride)
+{
+ struct psb_mmu_pt *pt;
+ uint32_t rows = 1;
+ uint32_t i;
+ unsigned long addr;
+ unsigned long end;
+ unsigned long next;
+ unsigned long add;
+ unsigned long row_add;
+ unsigned long clflush_add = pd->driver->clflush_add;
+ unsigned long clflush_mask = pd->driver->clflush_mask;
+
+ if (!pd->driver->has_clflush)
+ return;
+
+ if (hw_tile_stride)
+ rows = num_pages / desired_tile_stride;
+ else
+ desired_tile_stride = num_pages;
+
+ add = desired_tile_stride << PAGE_SHIFT;
+ row_add = hw_tile_stride << PAGE_SHIFT;
+ mb();
+ for (i = 0; i < rows; ++i) {
+
+ addr = address;
+ end = addr + add;
+
+ do {
+ next = psb_pd_addr_end(addr, end);
+ pt = psb_mmu_pt_map_lock(pd, addr);
+ if (!pt)
+ continue;
+ do {
+ psb_clflush(&pt->v[psb_mmu_pt_index(addr)]);
+ } while (addr += clflush_add,
+ (addr & clflush_mask) < next);
+
+ psb_mmu_pt_unmap_unlock(pt);
+ } while (addr = next, next != end);
+ address += row_add;
+ }
+ mb();
+}
+#else
+static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
+ uint32_t num_pages, uint32_t desired_tile_stride,
+ uint32_t hw_tile_stride)
+{
+ drm_ttm_cache_flush();
+}
+#endif
+
+void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
+ unsigned long address, uint32_t num_pages)
+{
+ struct psb_mmu_pt *pt;
+ unsigned long addr;
+ unsigned long end;
+ unsigned long next;
+ unsigned long f_address = address;
+
+ down_read(&pd->driver->sem);
+
+ addr = address;
+ end = addr + (num_pages << PAGE_SHIFT);
+
+ do {
+ next = psb_pd_addr_end(addr, end);
+ pt = psb_mmu_pt_alloc_map_lock(pd, addr);
+ if (!pt)
+ goto out;
+ do {
+ psb_mmu_invalidate_pte(pt, addr);
+ --pt->count;
+ } while (addr += PAGE_SIZE, addr < next);
+ psb_mmu_pt_unmap_unlock(pt);
+
+ } while (addr = next, next != end);
+
+out:
+ if (pd->hw_context != -1)
+ psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
+
+ up_read(&pd->driver->sem);
+
+ if (pd->hw_context != -1)
+ psb_mmu_flush(pd->driver);
+
+ return;
+}
+
+void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address,
+ uint32_t num_pages, uint32_t desired_tile_stride,
+ uint32_t hw_tile_stride)
+{
+ struct psb_mmu_pt *pt;
+ uint32_t rows = 1;
+ uint32_t i;
+ unsigned long addr;
+ unsigned long end;
+ unsigned long next;
+ unsigned long add;
+ unsigned long row_add;
+ unsigned long f_address = address;
+
+ if (hw_tile_stride)
+ rows = num_pages / desired_tile_stride;
+ else
+ desired_tile_stride = num_pages;
+
+ add = desired_tile_stride << PAGE_SHIFT;
+ row_add = hw_tile_stride << PAGE_SHIFT;
+
+ down_read(&pd->driver->sem);
+
+ /* Make sure we only need to flush this processor's cache */
+
+ for (i = 0; i < rows; ++i) {
+
+ addr = address;
+ end = addr + add;
+
+ do {
+ next = psb_pd_addr_end(addr, end);
+ pt = psb_mmu_pt_map_lock(pd, addr);
+ if (!pt)
+ continue;
+ do {
+ psb_mmu_invalidate_pte(pt, addr);
+ --pt->count;
+
+ } while (addr += PAGE_SIZE, addr < next);
+ psb_mmu_pt_unmap_unlock(pt);
+
+ } while (addr = next, next != end);
+ address += row_add;
+ }
+ if (pd->hw_context != -1)
+ psb_mmu_flush_ptes(pd, f_address, num_pages,
+ desired_tile_stride, hw_tile_stride);
+
+ up_read(&pd->driver->sem);
+
+ if (pd->hw_context != -1)
+ psb_mmu_flush(pd->driver);
+}
+
+int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn,
+ unsigned long address, uint32_t num_pages,
+ int type)
+{
+ struct psb_mmu_pt *pt;
+ uint32_t pte;
+ unsigned long addr;
+ unsigned long end;
+ unsigned long next;
+ unsigned long f_address = address;
+ int ret = -ENOMEM;
+
+ down_read(&pd->driver->sem);
+
+ addr = address;
+ end = addr + (num_pages << PAGE_SHIFT);
+
+ do {
+ next = psb_pd_addr_end(addr, end);
+ pt = psb_mmu_pt_alloc_map_lock(pd, addr);
+ if (!pt) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ do {
+ pte = psb_mmu_mask_pte(start_pfn++, type);
+ psb_mmu_set_pte(pt, addr, pte);
+ pt->count++;
+ } while (addr += PAGE_SIZE, addr < next);
+ psb_mmu_pt_unmap_unlock(pt);
+
+ } while (addr = next, next != end);
+ ret = 0;
+
+out:
+ if (pd->hw_context != -1)
+ psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
+
+ up_read(&pd->driver->sem);
+
+ if (pd->hw_context != -1)
+ psb_mmu_flush(pd->driver);
+
+ return 0;
+}
+
+int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
+ unsigned long address, uint32_t num_pages,
+ uint32_t desired_tile_stride, uint32_t hw_tile_stride,
+ int type)
+{
+ struct psb_mmu_pt *pt;
+ uint32_t rows = 1;
+ uint32_t i;
+ uint32_t pte;
+ unsigned long addr;
+ unsigned long end;
+ unsigned long next;
+ unsigned long add;
+ unsigned long row_add;
+ unsigned long f_address = address;
+ int ret = -ENOMEM;
+
+ if (hw_tile_stride) {
+ if (num_pages % desired_tile_stride != 0)
+ return -EINVAL;
+ rows = num_pages / desired_tile_stride;
+ } else {
+ desired_tile_stride = num_pages;
+ }
+
+ add = desired_tile_stride << PAGE_SHIFT;
+ row_add = hw_tile_stride << PAGE_SHIFT;
+
+ down_read(&pd->driver->sem);
+
+ for (i = 0; i < rows; ++i) {
+
+ addr = address;
+ end = addr + add;
+
+ do {
+ next = psb_pd_addr_end(addr, end);
+ pt = psb_mmu_pt_alloc_map_lock(pd, addr);
+ if (!pt)
+ goto out;
+ do {
+ pte = psb_mmu_mask_pte(page_to_pfn(*pages++),
+ type);
+ psb_mmu_set_pte(pt, addr, pte);
+ pt->count++;
+ } while (addr += PAGE_SIZE, addr < next);
+ psb_mmu_pt_unmap_unlock(pt);
+
+ } while (addr = next, next != end);
+
+ address += row_add;
+ }
+
+ ret = 0;
+out:
+ if (pd->hw_context != -1)
+ psb_mmu_flush_ptes(pd, f_address, num_pages,
+ desired_tile_stride, hw_tile_stride);
+
+ up_read(&pd->driver->sem);
+
+ if (pd->hw_context != -1)
+ psb_mmu_flush(pd->driver);
+
+ return ret;
+}
+
+int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
+ unsigned long *pfn)
+{
+ int ret;
+ struct psb_mmu_pt *pt;
+ uint32_t tmp;
+ spinlock_t *lock = &pd->driver->lock;
+
+ down_read(&pd->driver->sem);
+ pt = psb_mmu_pt_map_lock(pd, virtual);
+ if (!pt) {
+ uint32_t *v;
+
+ spin_lock(lock);
+ v = kmap_atomic(pd->p);
+ tmp = v[psb_mmu_pd_index(virtual)];
+ kunmap_atomic(v);
+ spin_unlock(lock);
+
+ if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) ||
+ !(pd->invalid_pte & PSB_PTE_VALID)) {
+ ret = -EINVAL;
+ goto out;
+ }
+ ret = 0;
+ *pfn = pd->invalid_pte >> PAGE_SHIFT;
+ goto out;
+ }
+ tmp = pt->v[psb_mmu_pt_index(virtual)];
+ if (!(tmp & PSB_PTE_VALID)) {
+ ret = -EINVAL;
+ } else {
+ ret = 0;
+ *pfn = tmp >> PAGE_SHIFT;
+ }
+ psb_mmu_pt_unmap_unlock(pt);
+out:
+ up_read(&pd->driver->sem);
+ return ret;
+}
diff --git a/drivers/gpu/drm/gma500/mmu.h b/drivers/gpu/drm/gma500/mmu.h
new file mode 100644
index 0000000..e89abec
--- /dev/null
+++ b/drivers/gpu/drm/gma500/mmu.h
@@ -0,0 +1,93 @@
+/**************************************************************************
+ * Copyright (c) 2007-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ **************************************************************************/
+
+#ifndef __MMU_H
+#define __MMU_H
+
+struct psb_mmu_driver {
+ /* protects driver- and pd structures. Always take in read mode
+ * before taking the page table spinlock.
+ */
+ struct rw_semaphore sem;
+
+ /* protects page tables, directory tables and pt tables.
+ * and pt structures.
+ */
+ spinlock_t lock;
+
+ atomic_t needs_tlbflush;
+ atomic_t *msvdx_mmu_invaldc;
+ struct psb_mmu_pd *default_pd;
+ uint32_t bif_ctrl;
+ int has_clflush;
+ int clflush_add;
+ unsigned long clflush_mask;
+
+ struct drm_device *dev;
+};
+
+struct psb_mmu_pd;
+
+struct psb_mmu_pt {
+ struct psb_mmu_pd *pd;
+ uint32_t index;
+ uint32_t count;
+ struct page *p;
+ uint32_t *v;
+};
+
+struct psb_mmu_pd {
+ struct psb_mmu_driver *driver;
+ int hw_context;
+ struct psb_mmu_pt **tables;
+ struct page *p;
+ struct page *dummy_pt;
+ struct page *dummy_page;
+ uint32_t pd_mask;
+ uint32_t invalid_pde;
+ uint32_t invalid_pte;
+};
+
+extern struct psb_mmu_driver *psb_mmu_driver_init(struct drm_device *dev,
+ int trap_pagefaults,
+ int invalid_type,
+ atomic_t *msvdx_mmu_invaldc);
+extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver);
+extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver
+ *driver);
+extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
+ int trap_pagefaults,
+ int invalid_type);
+extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd);
+extern void psb_mmu_flush(struct psb_mmu_driver *driver);
+extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
+ unsigned long address,
+ uint32_t num_pages);
+extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd,
+ uint32_t start_pfn,
+ unsigned long address,
+ uint32_t num_pages, int type);
+extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
+ unsigned long *pfn);
+extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context);
+extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
+ unsigned long address, uint32_t num_pages,
+ uint32_t desired_tile_stride,
+ uint32_t hw_tile_stride, int type);
+extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd,
+ unsigned long address, uint32_t num_pages,
+ uint32_t desired_tile_stride,
+ uint32_t hw_tile_stride);
+
+#endif
diff --git a/drivers/gpu/drm/gma500/oaktrail.h b/drivers/gpu/drm/gma500/oaktrail.h
new file mode 100644
index 0000000..30adbbe
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail.h
@@ -0,0 +1,257 @@
+/**************************************************************************
+ * Copyright (c) 2007-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+/* MID device specific descriptors */
+
+struct oaktrail_timing_info {
+ u16 pixel_clock;
+ u8 hactive_lo;
+ u8 hblank_lo;
+ u8 hblank_hi:4;
+ u8 hactive_hi:4;
+ u8 vactive_lo;
+ u8 vblank_lo;
+ u8 vblank_hi:4;
+ u8 vactive_hi:4;
+ u8 hsync_offset_lo;
+ u8 hsync_pulse_width_lo;
+ u8 vsync_pulse_width_lo:4;
+ u8 vsync_offset_lo:4;
+ u8 vsync_pulse_width_hi:2;
+ u8 vsync_offset_hi:2;
+ u8 hsync_pulse_width_hi:2;
+ u8 hsync_offset_hi:2;
+ u8 width_mm_lo;
+ u8 height_mm_lo;
+ u8 height_mm_hi:4;
+ u8 width_mm_hi:4;
+ u8 hborder;
+ u8 vborder;
+ u8 unknown0:1;
+ u8 hsync_positive:1;
+ u8 vsync_positive:1;
+ u8 separate_sync:2;
+ u8 stereo:1;
+ u8 unknown6:1;
+ u8 interlaced:1;
+} __packed;
+
+struct gct_r10_timing_info {
+ u16 pixel_clock;
+ u32 hactive_lo:8;
+ u32 hactive_hi:4;
+ u32 hblank_lo:8;
+ u32 hblank_hi:4;
+ u32 hsync_offset_lo:8;
+ u16 hsync_offset_hi:2;
+ u16 hsync_pulse_width_lo:8;
+ u16 hsync_pulse_width_hi:2;
+ u16 hsync_positive:1;
+ u16 rsvd_1:3;
+ u8 vactive_lo:8;
+ u16 vactive_hi:4;
+ u16 vblank_lo:8;
+ u16 vblank_hi:4;
+ u16 vsync_offset_lo:4;
+ u16 vsync_offset_hi:2;
+ u16 vsync_pulse_width_lo:4;
+ u16 vsync_pulse_width_hi:2;
+ u16 vsync_positive:1;
+ u16 rsvd_2:3;
+} __packed;
+
+struct oaktrail_panel_descriptor_v1 {
+ u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
+ /* 0x61190 if MIPI */
+ u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
+ u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
+ u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
+ /* Register 0x61210 */
+ struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
+ u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
+ /* Bit 0, Frequency, 15 bits,0 - 32767Hz */
+ /* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
+ u16 Panel_MIPI_Display_Descriptor;
+ /*16 bits, Defined as follows: */
+ /* if MIPI, 0x0000 if LVDS */
+ /* Bit 0, Type, 2 bits, */
+ /* 0: Type-1, */
+ /* 1: Type-2, */
+ /* 2: Type-3, */
+ /* 3: Type-4 */
+ /* Bit 2, Pixel Format, 4 bits */
+ /* Bit0: 16bpp (not supported in LNC), */
+ /* Bit1: 18bpp loosely packed, */
+ /* Bit2: 18bpp packed, */
+ /* Bit3: 24bpp */
+ /* Bit 6, Reserved, 2 bits, 00b */
+ /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
+ /* Bit 14, Reserved, 2 bits, 00b */
+} __packed;
+
+struct oaktrail_panel_descriptor_v2 {
+ u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
+ /* 0x61190 if MIPI */
+ u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
+ u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
+ u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
+ /* Register 0x61210 */
+ struct oaktrail_timing_info DTD;/*18 bytes, Standard definition */
+ u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
+ /*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
+ u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
+ /*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
+ u16 Panel_MIPI_Display_Descriptor;
+ /*16 bits, Defined as follows: */
+ /* if MIPI, 0x0000 if LVDS */
+ /* Bit 0, Type, 2 bits, */
+ /* 0: Type-1, */
+ /* 1: Type-2, */
+ /* 2: Type-3, */
+ /* 3: Type-4 */
+ /* Bit 2, Pixel Format, 4 bits */
+ /* Bit0: 16bpp (not supported in LNC), */
+ /* Bit1: 18bpp loosely packed, */
+ /* Bit2: 18bpp packed, */
+ /* Bit3: 24bpp */
+ /* Bit 6, Reserved, 2 bits, 00b */
+ /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
+ /* Bit 14, Reserved, 2 bits, 00b */
+} __packed;
+
+union oaktrail_panel_rx {
+ struct {
+ u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
+ /* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
+ u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
+ /*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
+ u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
+ /* 1: Burst and non-burst */
+ /* 2/3: Reserved */
+ u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
+ u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
+ u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
+ u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
+ u16 Rsvd:5;/*5 bits,00000b */
+ } panelrx;
+ u16 panel_receiver;
+} __packed;
+
+struct gct_r0 {
+ union { /*8 bits,Defined as follows: */
+ struct {
+ u8 PanelType:4; /*4 bits, Bit field for panels*/
+ /* 0 - 3: 0 = LVDS, 1 = MIPI*/
+ /*2 bits,Specifies which of the*/
+ u8 BootPanelIndex:2;
+ /* 4 panels to use by default*/
+ u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
+ /* the 4 MIPI DSI receivers to use*/
+ } PD;
+ u8 PanelDescriptor;
+ };
+ struct oaktrail_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
+ union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
+} __packed;
+
+struct gct_r1 {
+ union { /*8 bits,Defined as follows: */
+ struct {
+ u8 PanelType:4; /*4 bits, Bit field for panels*/
+ /* 0 - 3: 0 = LVDS, 1 = MIPI*/
+ /*2 bits,Specifies which of the*/
+ u8 BootPanelIndex:2;
+ /* 4 panels to use by default*/
+ u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
+ /* the 4 MIPI DSI receivers to use*/
+ } PD;
+ u8 PanelDescriptor;
+ };
+ struct oaktrail_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
+ union oaktrail_panel_rx panelrx[4]; /* panel receivers*/
+} __packed;
+
+struct gct_r10 {
+ struct gct_r10_timing_info DTD;
+ u16 Panel_MIPI_Display_Descriptor;
+ u16 Panel_MIPI_Receiver_Descriptor;
+ u16 Panel_Backlight_Inverter_Descriptor;
+ u8 Panel_Initial_Brightness;
+ u32 MIPI_Ctlr_Init_ptr;
+ u32 MIPI_Panel_Init_ptr;
+} __packed;
+
+struct oaktrail_gct_data {
+ u8 bpi; /* boot panel index, number of panel used during boot */
+ u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
+ struct oaktrail_timing_info DTD; /* timing info for the selected panel */
+ u32 Panel_Port_Control;
+ u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
+ u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
+ u32 PP_Cycle_Delay;
+ u16 Panel_Backlight_Inverter_Descriptor;
+ u16 Panel_MIPI_Display_Descriptor;
+} __packed;
+
+#define MODE_SETTING_IN_CRTC 0x1
+#define MODE_SETTING_IN_ENCODER 0x2
+#define MODE_SETTING_ON_GOING 0x3
+#define MODE_SETTING_IN_DSR 0x4
+#define MODE_SETTING_ENCODER_DONE 0x8
+
+/*
+ * Moorestown HDMI interfaces
+ */
+
+struct oaktrail_hdmi_dev {
+ struct pci_dev *dev;
+ void __iomem *regs;
+ unsigned int mmio, mmio_len;
+ int dpms_mode;
+ struct hdmi_i2c_dev *i2c_dev;
+
+ /* register state */
+ u32 saveDPLL_CTRL;
+ u32 saveDPLL_DIV_CTRL;
+ u32 saveDPLL_ADJUST;
+ u32 saveDPLL_UPDATE;
+ u32 saveDPLL_CLK_ENABLE;
+ u32 savePCH_HTOTAL_B;
+ u32 savePCH_HBLANK_B;
+ u32 savePCH_HSYNC_B;
+ u32 savePCH_VTOTAL_B;
+ u32 savePCH_VBLANK_B;
+ u32 savePCH_VSYNC_B;
+ u32 savePCH_PIPEBCONF;
+ u32 savePCH_PIPEBSRC;
+};
+
+extern void oaktrail_hdmi_setup(struct drm_device *dev);
+extern void oaktrail_hdmi_teardown(struct drm_device *dev);
+extern int oaktrail_hdmi_i2c_init(struct pci_dev *dev);
+extern void oaktrail_hdmi_i2c_exit(struct pci_dev *dev);
+extern void oaktrail_hdmi_save(struct drm_device *dev);
+extern void oaktrail_hdmi_restore(struct drm_device *dev);
+extern void oaktrail_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
+extern int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode, int x, int y,
+ struct drm_framebuffer *old_fb);
+extern void oaktrail_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode);
+
+
diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c
new file mode 100644
index 0000000..1048f0c
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
@@ -0,0 +1,672 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/i2c.h>
+#include <linux/pm_runtime.h>
+
+#include <drm/drmP.h>
+#include "framebuffer.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "gma_display.h"
+#include "power.h"
+
+#define MRST_LIMIT_LVDS_100L 0
+#define MRST_LIMIT_LVDS_83 1
+#define MRST_LIMIT_LVDS_100 2
+#define MRST_LIMIT_SDVO 3
+
+#define MRST_DOT_MIN 19750
+#define MRST_DOT_MAX 120000
+#define MRST_M_MIN_100L 20
+#define MRST_M_MIN_100 10
+#define MRST_M_MIN_83 12
+#define MRST_M_MAX_100L 34
+#define MRST_M_MAX_100 17
+#define MRST_M_MAX_83 20
+#define MRST_P1_MIN 2
+#define MRST_P1_MAX_0 7
+#define MRST_P1_MAX_1 8
+
+static bool mrst_lvds_find_best_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target,
+ int refclk, struct gma_clock_t *best_clock);
+
+static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target,
+ int refclk, struct gma_clock_t *best_clock);
+
+static const struct gma_limit_t mrst_limits[] = {
+ { /* MRST_LIMIT_LVDS_100L */
+ .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
+ .m = {.min = MRST_M_MIN_100L, .max = MRST_M_MAX_100L},
+ .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
+ .find_pll = mrst_lvds_find_best_pll,
+ },
+ { /* MRST_LIMIT_LVDS_83L */
+ .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
+ .m = {.min = MRST_M_MIN_83, .max = MRST_M_MAX_83},
+ .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_0},
+ .find_pll = mrst_lvds_find_best_pll,
+ },
+ { /* MRST_LIMIT_LVDS_100 */
+ .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
+ .m = {.min = MRST_M_MIN_100, .max = MRST_M_MAX_100},
+ .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
+ .find_pll = mrst_lvds_find_best_pll,
+ },
+ { /* MRST_LIMIT_SDVO */
+ .vco = {.min = 1400000, .max = 2800000},
+ .n = {.min = 3, .max = 7},
+ .m = {.min = 80, .max = 137},
+ .p1 = {.min = 1, .max = 2},
+ .p2 = {.dot_limit = 200000, .p2_slow = 10, .p2_fast = 10},
+ .find_pll = mrst_sdvo_find_best_pll,
+ },
+};
+
+#define MRST_M_MIN 10
+static const u32 oaktrail_m_converts[] = {
+ 0x2B, 0x15, 0x2A, 0x35, 0x1A, 0x0D, 0x26, 0x33, 0x19, 0x2C,
+ 0x36, 0x3B, 0x1D, 0x2E, 0x37, 0x1B, 0x2D, 0x16, 0x0B, 0x25,
+ 0x12, 0x09, 0x24, 0x32, 0x39, 0x1c,
+};
+
+static const struct gma_limit_t *mrst_limit(struct drm_crtc *crtc,
+ int refclk)
+{
+ const struct gma_limit_t *limit = NULL;
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
+ || gma_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) {
+ switch (dev_priv->core_freq) {
+ case 100:
+ limit = &mrst_limits[MRST_LIMIT_LVDS_100L];
+ break;
+ case 166:
+ limit = &mrst_limits[MRST_LIMIT_LVDS_83];
+ break;
+ case 200:
+ limit = &mrst_limits[MRST_LIMIT_LVDS_100];
+ break;
+ }
+ } else if (gma_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) {
+ limit = &mrst_limits[MRST_LIMIT_SDVO];
+ } else {
+ limit = NULL;
+ dev_err(dev->dev, "mrst_limit Wrong display type.\n");
+ }
+
+ return limit;
+}
+
+/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
+static void mrst_lvds_clock(int refclk, struct gma_clock_t *clock)
+{
+ clock->dot = (refclk * clock->m) / (14 * clock->p1);
+}
+
+static void mrst_print_pll(struct gma_clock_t *clock)
+{
+ DRM_DEBUG_DRIVER("dotclock=%d, m=%d, m1=%d, m2=%d, n=%d, p1=%d, p2=%d\n",
+ clock->dot, clock->m, clock->m1, clock->m2, clock->n,
+ clock->p1, clock->p2);
+}
+
+static bool mrst_sdvo_find_best_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target,
+ int refclk, struct gma_clock_t *best_clock)
+{
+ struct gma_clock_t clock;
+ u32 target_vco, actual_freq;
+ s32 freq_error, min_error = 100000;
+
+ memset(best_clock, 0, sizeof(*best_clock));
+
+ for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
+ for (clock.n = limit->n.min; clock.n <= limit->n.max;
+ clock.n++) {
+ for (clock.p1 = limit->p1.min;
+ clock.p1 <= limit->p1.max; clock.p1++) {
+ /* p2 value always stored in p2_slow on SDVO */
+ clock.p = clock.p1 * limit->p2.p2_slow;
+ target_vco = target * clock.p;
+
+ /* VCO will increase at this point so break */
+ if (target_vco > limit->vco.max)
+ break;
+
+ if (target_vco < limit->vco.min)
+ continue;
+
+ actual_freq = (refclk * clock.m) /
+ (clock.n * clock.p);
+ freq_error = 10000 -
+ ((target * 10000) / actual_freq);
+
+ if (freq_error < -min_error) {
+ /* freq_error will start to decrease at
+ this point so break */
+ break;
+ }
+
+ if (freq_error < 0)
+ freq_error = -freq_error;
+
+ if (freq_error < min_error) {
+ min_error = freq_error;
+ *best_clock = clock;
+ }
+ }
+ }
+ if (min_error == 0)
+ break;
+ }
+
+ return min_error == 0;
+}
+
+/**
+ * Returns a set of divisors for the desired target clock with the given refclk,
+ * or FALSE. Divisor values are the actual divisors for
+ */
+static bool mrst_lvds_find_best_pll(const struct gma_limit_t *limit,
+ struct drm_crtc *crtc, int target,
+ int refclk, struct gma_clock_t *best_clock)
+{
+ struct gma_clock_t clock;
+ int err = target;
+
+ memset(best_clock, 0, sizeof(*best_clock));
+
+ for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
+ for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
+ clock.p1++) {
+ int this_err;
+
+ mrst_lvds_clock(refclk, &clock);
+
+ this_err = abs(clock.dot - target);
+ if (this_err < err) {
+ *best_clock = clock;
+ err = this_err;
+ }
+ }
+ }
+ return err != target;
+}
+
+/**
+ * Sets the power management mode of the pipe and plane.
+ *
+ * This code should probably grow support for turning the cursor off and back
+ * on appropriately at the same time as we're turning the pipe off/on.
+ */
+static void oaktrail_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 temp;
+ int i;
+ int need_aux = gma_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ? 1 : 0;
+
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) {
+ oaktrail_crtc_hdmi_dpms(crtc, mode);
+ return;
+ }
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ /* XXX: When our outputs are all unaware of DPMS modes other than off
+ * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
+ */
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ for (i = 0; i <= need_aux; i++) {
+ /* Enable the DPLL */
+ temp = REG_READ_WITH_AUX(map->dpll, i);
+ if ((temp & DPLL_VCO_ENABLE) == 0) {
+ REG_WRITE_WITH_AUX(map->dpll, temp, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ REG_WRITE_WITH_AUX(map->dpll,
+ temp | DPLL_VCO_ENABLE, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ REG_WRITE_WITH_AUX(map->dpll,
+ temp | DPLL_VCO_ENABLE, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+ }
+
+ /* Enable the pipe */
+ temp = REG_READ_WITH_AUX(map->conf, i);
+ if ((temp & PIPEACONF_ENABLE) == 0) {
+ REG_WRITE_WITH_AUX(map->conf,
+ temp | PIPEACONF_ENABLE, i);
+ }
+
+ /* Enable the plane */
+ temp = REG_READ_WITH_AUX(map->cntr, i);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ REG_WRITE_WITH_AUX(map->cntr,
+ temp | DISPLAY_PLANE_ENABLE,
+ i);
+ /* Flush the plane changes */
+ REG_WRITE_WITH_AUX(map->base,
+ REG_READ_WITH_AUX(map->base, i), i);
+ }
+
+ }
+ gma_crtc_load_lut(crtc);
+
+ /* Give the overlay scaler a chance to enable
+ if it's on this pipe */
+ /* psb_intel_crtc_dpms_video(crtc, true); TODO */
+ break;
+ case DRM_MODE_DPMS_OFF:
+ /* Give the overlay scaler a chance to disable
+ * if it's on this pipe */
+ /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
+
+ for (i = 0; i <= need_aux; i++) {
+ /* Disable the VGA plane that we never use */
+ REG_WRITE_WITH_AUX(VGACNTRL, VGA_DISP_DISABLE, i);
+ /* Disable display plane */
+ temp = REG_READ_WITH_AUX(map->cntr, i);
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+ REG_WRITE_WITH_AUX(map->cntr,
+ temp & ~DISPLAY_PLANE_ENABLE, i);
+ /* Flush the plane changes */
+ REG_WRITE_WITH_AUX(map->base,
+ REG_READ(map->base), i);
+ REG_READ_WITH_AUX(map->base, i);
+ }
+
+ /* Next, disable display pipes */
+ temp = REG_READ_WITH_AUX(map->conf, i);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ REG_WRITE_WITH_AUX(map->conf,
+ temp & ~PIPEACONF_ENABLE, i);
+ REG_READ_WITH_AUX(map->conf, i);
+ }
+ /* Wait for for the pipe disable to take effect. */
+ gma_wait_for_vblank(dev);
+
+ temp = REG_READ_WITH_AUX(map->dpll, i);
+ if ((temp & DPLL_VCO_ENABLE) != 0) {
+ REG_WRITE_WITH_AUX(map->dpll,
+ temp & ~DPLL_VCO_ENABLE, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ }
+
+ /* Wait for the clocks to turn off. */
+ udelay(150);
+ }
+ break;
+ }
+
+ /* Set FIFO Watermarks (values taken from EMGD) */
+ REG_WRITE(DSPARB, 0x3f80);
+ REG_WRITE(DSPFW1, 0x3f8f0404);
+ REG_WRITE(DSPFW2, 0x04040f04);
+ REG_WRITE(DSPFW3, 0x0);
+ REG_WRITE(DSPFW4, 0x04040404);
+ REG_WRITE(DSPFW5, 0x04040404);
+ REG_WRITE(DSPFW6, 0x78);
+ REG_WRITE(DSPCHICKENBIT, REG_READ(DSPCHICKENBIT) | 0xc040);
+
+ gma_power_end(dev);
+}
+
+/**
+ * Return the pipe currently connected to the panel fitter,
+ * or -1 if the panel fitter is not present or not in use
+ */
+static int oaktrail_panel_fitter_pipe(struct drm_device *dev)
+{
+ u32 pfit_control;
+
+ pfit_control = REG_READ(PFIT_CONTROL);
+
+ /* See if the panel fitter is in use */
+ if ((pfit_control & PFIT_ENABLE) == 0)
+ return -1;
+ return (pfit_control >> 29) & 3;
+}
+
+static int oaktrail_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ int refclk = 0;
+ struct gma_clock_t clock;
+ const struct gma_limit_t *limit;
+ u32 dpll = 0, fp = 0, dspcntr, pipeconf;
+ bool ok, is_sdvo = false;
+ bool is_lvds = false;
+ bool is_mipi = false;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct gma_encoder *gma_encoder = NULL;
+ uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
+ struct drm_connector *connector;
+ int i;
+ int need_aux = gma_pipe_has_type(crtc, INTEL_OUTPUT_SDVO) ? 1 : 0;
+
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_HDMI))
+ return oaktrail_crtc_hdmi_mode_set(crtc, mode, adjusted_mode, x, y, old_fb);
+
+ if (!gma_power_begin(dev, true))
+ return 0;
+
+ memcpy(&gma_crtc->saved_mode,
+ mode,
+ sizeof(struct drm_display_mode));
+ memcpy(&gma_crtc->saved_adjusted_mode,
+ adjusted_mode,
+ sizeof(struct drm_display_mode));
+
+ list_for_each_entry(connector, &mode_config->connector_list, head) {
+ if (!connector->encoder || connector->encoder->crtc != crtc)
+ continue;
+
+ gma_encoder = gma_attached_encoder(connector);
+
+ switch (gma_encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ is_lvds = true;
+ break;
+ case INTEL_OUTPUT_SDVO:
+ is_sdvo = true;
+ break;
+ case INTEL_OUTPUT_MIPI:
+ is_mipi = true;
+ break;
+ }
+ }
+
+ /* Disable the VGA plane that we never use */
+ for (i = 0; i <= need_aux; i++)
+ REG_WRITE_WITH_AUX(VGACNTRL, VGA_DISP_DISABLE, i);
+
+ /* Disable the panel fitter if it was on our pipe */
+ if (oaktrail_panel_fitter_pipe(dev) == pipe)
+ REG_WRITE(PFIT_CONTROL, 0);
+
+ for (i = 0; i <= need_aux; i++) {
+ REG_WRITE_WITH_AUX(map->src, ((mode->crtc_hdisplay - 1) << 16) |
+ (mode->crtc_vdisplay - 1), i);
+ }
+
+ if (gma_encoder)
+ drm_object_property_get_value(&connector->base,
+ dev->mode_config.scaling_mode_property, &scalingType);
+
+ if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
+ /* Moorestown doesn't have register support for centering so
+ * we need to mess with the h/vblank and h/vsync start and
+ * ends to get centering */
+ int offsetX = 0, offsetY = 0;
+
+ offsetX = (adjusted_mode->crtc_hdisplay -
+ mode->crtc_hdisplay) / 2;
+ offsetY = (adjusted_mode->crtc_vdisplay -
+ mode->crtc_vdisplay) / 2;
+
+ for (i = 0; i <= need_aux; i++) {
+ REG_WRITE_WITH_AUX(map->htotal, (mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->vtotal, (mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->hblank,
+ (adjusted_mode->crtc_hblank_start - offsetX - 1) |
+ ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->hsync,
+ (adjusted_mode->crtc_hsync_start - offsetX - 1) |
+ ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->vblank,
+ (adjusted_mode->crtc_vblank_start - offsetY - 1) |
+ ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->vsync,
+ (adjusted_mode->crtc_vsync_start - offsetY - 1) |
+ ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16), i);
+ }
+ } else {
+ for (i = 0; i <= need_aux; i++) {
+ REG_WRITE_WITH_AUX(map->htotal, (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->hblank, (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->hsync, (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->vblank, (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16), i);
+ REG_WRITE_WITH_AUX(map->vsync, (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16), i);
+ }
+ }
+
+ /* Flush the plane changes */
+ {
+ const struct drm_crtc_helper_funcs *crtc_funcs =
+ crtc->helper_private;
+ crtc_funcs->mode_set_base(crtc, x, y, old_fb);
+ }
+
+ /* setup pipeconf */
+ pipeconf = REG_READ(map->conf);
+
+ /* Set up the display plane register */
+ dspcntr = REG_READ(map->cntr);
+ dspcntr |= DISPPLANE_GAMMA_ENABLE;
+
+ if (pipe == 0)
+ dspcntr |= DISPPLANE_SEL_PIPE_A;
+ else
+ dspcntr |= DISPPLANE_SEL_PIPE_B;
+
+ if (is_mipi)
+ goto oaktrail_crtc_mode_set_exit;
+
+
+ dpll = 0; /*BIT16 = 0 for 100MHz reference */
+
+ refclk = is_sdvo ? 96000 : dev_priv->core_freq * 1000;
+ limit = mrst_limit(crtc, refclk);
+ ok = limit->find_pll(limit, crtc, adjusted_mode->clock,
+ refclk, &clock);
+
+ if (is_sdvo) {
+ /* Convert calculated values to register values */
+ clock.p1 = (1L << (clock.p1 - 1));
+ clock.m -= 2;
+ clock.n = (1L << (clock.n - 1));
+ }
+
+ if (!ok)
+ DRM_ERROR("Failed to find proper PLL settings");
+
+ mrst_print_pll(&clock);
+
+ if (is_sdvo)
+ fp = clock.n << 16 | clock.m;
+ else
+ fp = oaktrail_m_converts[(clock.m - MRST_M_MIN)] << 8;
+
+ dpll |= DPLL_VGA_MODE_DIS;
+
+
+ dpll |= DPLL_VCO_ENABLE;
+
+ if (is_lvds)
+ dpll |= DPLLA_MODE_LVDS;
+ else
+ dpll |= DPLLB_MODE_DAC_SERIAL;
+
+ if (is_sdvo) {
+ int sdvo_pixel_multiply =
+ adjusted_mode->clock / mode->clock;
+
+ dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |=
+ (sdvo_pixel_multiply -
+ 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
+ }
+
+
+ /* compute bitmask from p1 value */
+ if (is_sdvo)
+ dpll |= clock.p1 << 16; // dpll |= (1 << (clock.p1 - 1)) << 16;
+ else
+ dpll |= (1 << (clock.p1 - 2)) << 17;
+
+ dpll |= DPLL_VCO_ENABLE;
+
+ if (dpll & DPLL_VCO_ENABLE) {
+ for (i = 0; i <= need_aux; i++) {
+ REG_WRITE_WITH_AUX(map->fp0, fp, i);
+ REG_WRITE_WITH_AUX(map->dpll, dpll & ~DPLL_VCO_ENABLE, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ /* Check the DPLLA lock bit PIPEACONF[29] */
+ udelay(150);
+ }
+ }
+
+ for (i = 0; i <= need_aux; i++) {
+ REG_WRITE_WITH_AUX(map->fp0, fp, i);
+ REG_WRITE_WITH_AUX(map->dpll, dpll, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ /* write it again -- the BIOS does, after all */
+ REG_WRITE_WITH_AUX(map->dpll, dpll, i);
+ REG_READ_WITH_AUX(map->dpll, i);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ REG_WRITE_WITH_AUX(map->conf, pipeconf, i);
+ REG_READ_WITH_AUX(map->conf, i);
+ gma_wait_for_vblank(dev);
+
+ REG_WRITE_WITH_AUX(map->cntr, dspcntr, i);
+ gma_wait_for_vblank(dev);
+ }
+
+oaktrail_crtc_mode_set_exit:
+ gma_power_end(dev);
+ return 0;
+}
+
+static int oaktrail_pipe_set_base(struct drm_crtc *crtc,
+ int x, int y, struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct psb_framebuffer *psbfb = to_psb_fb(crtc->primary->fb);
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ unsigned long start, offset;
+
+ u32 dspcntr;
+ int ret = 0;
+
+ /* no fb bound */
+ if (!crtc->primary->fb) {
+ dev_dbg(dev->dev, "No FB bound\n");
+ return 0;
+ }
+
+ if (!gma_power_begin(dev, true))
+ return 0;
+
+ start = psbfb->gtt->offset;
+ offset = y * crtc->primary->fb->pitches[0] + x * (crtc->primary->fb->bits_per_pixel / 8);
+
+ REG_WRITE(map->stride, crtc->primary->fb->pitches[0]);
+
+ dspcntr = REG_READ(map->cntr);
+ dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
+
+ switch (crtc->primary->fb->bits_per_pixel) {
+ case 8:
+ dspcntr |= DISPPLANE_8BPP;
+ break;
+ case 16:
+ if (crtc->primary->fb->depth == 15)
+ dspcntr |= DISPPLANE_15_16BPP;
+ else
+ dspcntr |= DISPPLANE_16BPP;
+ break;
+ case 24:
+ case 32:
+ dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
+ break;
+ default:
+ dev_err(dev->dev, "Unknown color depth\n");
+ ret = -EINVAL;
+ goto pipe_set_base_exit;
+ }
+ REG_WRITE(map->cntr, dspcntr);
+
+ REG_WRITE(map->base, offset);
+ REG_READ(map->base);
+ REG_WRITE(map->surf, start);
+ REG_READ(map->surf);
+
+pipe_set_base_exit:
+ gma_power_end(dev);
+ return ret;
+}
+
+const struct drm_crtc_helper_funcs oaktrail_helper_funcs = {
+ .dpms = oaktrail_crtc_dpms,
+ .mode_fixup = gma_crtc_mode_fixup,
+ .mode_set = oaktrail_crtc_mode_set,
+ .mode_set_base = oaktrail_pipe_set_base,
+ .prepare = gma_crtc_prepare,
+ .commit = gma_crtc_commit,
+};
+
+/* Not used yet */
+const struct gma_clock_funcs mrst_clock_funcs = {
+ .clock = mrst_lvds_clock,
+ .limit = mrst_limit,
+ .pll_is_valid = gma_pll_is_valid,
+};
diff --git a/drivers/gpu/drm/gma500/oaktrail_device.c b/drivers/gpu/drm/gma500/oaktrail_device.c
new file mode 100644
index 0000000..368a03a
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail_device.c
@@ -0,0 +1,575 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <linux/backlight.h>
+#include <linux/module.h>
+#include <linux/dmi.h>
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include <asm/intel-mid.h>
+#include <asm/intel_scu_ipc.h>
+#include "mid_bios.h"
+#include "intel_bios.h"
+
+static int oaktrail_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ if (dev_priv->iLVDS_enable)
+ oaktrail_lvds_init(dev, &dev_priv->mode_dev);
+ else
+ dev_err(dev->dev, "DSI is not supported\n");
+ if (dev_priv->hdmi_priv)
+ oaktrail_hdmi_init(dev, &dev_priv->mode_dev);
+
+ psb_intel_sdvo_init(dev, SDVOB);
+
+ return 0;
+}
+
+/*
+ * Provide the low level interfaces for the Moorestown backlight
+ */
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+
+#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF
+#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */
+#define BLC_PWM_FREQ_CALC_CONSTANT 32
+#define MHz 1000000
+#define BLC_ADJUSTMENT_MAX 100
+
+static struct backlight_device *oaktrail_backlight_device;
+static int oaktrail_brightness;
+
+static int oaktrail_set_brightness(struct backlight_device *bd)
+{
+ struct drm_device *dev = bl_get_data(oaktrail_backlight_device);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int level = bd->props.brightness;
+ u32 blc_pwm_ctl;
+ u32 max_pwm_blc;
+
+ /* Percentage 1-100% being valid */
+ if (level < 1)
+ level = 1;
+
+ if (gma_power_begin(dev, 0)) {
+ /* Calculate and set the brightness value */
+ max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16;
+ blc_pwm_ctl = level * max_pwm_blc / 100;
+
+ /* Adjust the backlight level with the percent in
+ * dev_priv->blc_adj1;
+ */
+ blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1;
+ blc_pwm_ctl = blc_pwm_ctl / 100;
+
+ /* Adjust the backlight level with the percent in
+ * dev_priv->blc_adj2;
+ */
+ blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2;
+ blc_pwm_ctl = blc_pwm_ctl / 100;
+
+ /* force PWM bit on */
+ REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
+ REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl);
+ gma_power_end(dev);
+ }
+ oaktrail_brightness = level;
+ return 0;
+}
+
+static int oaktrail_get_brightness(struct backlight_device *bd)
+{
+ /* return locally cached var instead of HW read (due to DPST etc.) */
+ /* FIXME: ideally return actual value in case firmware fiddled with
+ it */
+ return oaktrail_brightness;
+}
+
+static int device_backlight_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long core_clock;
+ u16 bl_max_freq;
+ uint32_t value;
+ uint32_t blc_pwm_precision_factor;
+
+ dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
+ dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
+ bl_max_freq = 256;
+ /* this needs to be set elsewhere */
+ blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR;
+
+ core_clock = dev_priv->core_freq;
+
+ value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
+ value *= blc_pwm_precision_factor;
+ value /= bl_max_freq;
+ value /= blc_pwm_precision_factor;
+
+ if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ)
+ return -ERANGE;
+
+ if (gma_power_begin(dev, false)) {
+ REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
+ REG_WRITE(BLC_PWM_CTL, value | (value << 16));
+ gma_power_end(dev);
+ }
+ return 0;
+}
+
+static const struct backlight_ops oaktrail_ops = {
+ .get_brightness = oaktrail_get_brightness,
+ .update_status = oaktrail_set_brightness,
+};
+
+static int oaktrail_backlight_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+ struct backlight_properties props;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 100;
+ props.type = BACKLIGHT_PLATFORM;
+
+ oaktrail_backlight_device = backlight_device_register("oaktrail-bl",
+ NULL, (void *)dev, &oaktrail_ops, &props);
+
+ if (IS_ERR(oaktrail_backlight_device))
+ return PTR_ERR(oaktrail_backlight_device);
+
+ ret = device_backlight_init(dev);
+ if (ret < 0) {
+ backlight_device_unregister(oaktrail_backlight_device);
+ return ret;
+ }
+ oaktrail_backlight_device->props.brightness = 100;
+ oaktrail_backlight_device->props.max_brightness = 100;
+ backlight_update_status(oaktrail_backlight_device);
+ dev_priv->backlight_device = oaktrail_backlight_device;
+ return 0;
+}
+
+#endif
+
+/*
+ * Provide the Moorestown specific chip logic and low level methods
+ * for power management
+ */
+
+/**
+ * oaktrail_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int oaktrail_save_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_save_area *regs = &dev_priv->regs;
+ struct psb_pipe *p = ®s->pipe[0];
+ int i;
+ u32 pp_stat;
+
+ /* Display arbitration control + watermarks */
+ regs->psb.saveDSPARB = PSB_RVDC32(DSPARB);
+ regs->psb.saveDSPFW1 = PSB_RVDC32(DSPFW1);
+ regs->psb.saveDSPFW2 = PSB_RVDC32(DSPFW2);
+ regs->psb.saveDSPFW3 = PSB_RVDC32(DSPFW3);
+ regs->psb.saveDSPFW4 = PSB_RVDC32(DSPFW4);
+ regs->psb.saveDSPFW5 = PSB_RVDC32(DSPFW5);
+ regs->psb.saveDSPFW6 = PSB_RVDC32(DSPFW6);
+ regs->psb.saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
+
+ /* Pipe & plane A info */
+ p->conf = PSB_RVDC32(PIPEACONF);
+ p->src = PSB_RVDC32(PIPEASRC);
+ p->fp0 = PSB_RVDC32(MRST_FPA0);
+ p->fp1 = PSB_RVDC32(MRST_FPA1);
+ p->dpll = PSB_RVDC32(MRST_DPLL_A);
+ p->htotal = PSB_RVDC32(HTOTAL_A);
+ p->hblank = PSB_RVDC32(HBLANK_A);
+ p->hsync = PSB_RVDC32(HSYNC_A);
+ p->vtotal = PSB_RVDC32(VTOTAL_A);
+ p->vblank = PSB_RVDC32(VBLANK_A);
+ p->vsync = PSB_RVDC32(VSYNC_A);
+ regs->psb.saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A);
+ p->cntr = PSB_RVDC32(DSPACNTR);
+ p->stride = PSB_RVDC32(DSPASTRIDE);
+ p->addr = PSB_RVDC32(DSPABASE);
+ p->surf = PSB_RVDC32(DSPASURF);
+ p->linoff = PSB_RVDC32(DSPALINOFF);
+ p->tileoff = PSB_RVDC32(DSPATILEOFF);
+
+ /* Save cursor regs */
+ regs->psb.saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
+ regs->psb.saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
+ regs->psb.saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
+
+ /* Save palette (gamma) */
+ for (i = 0; i < 256; i++)
+ p->palette[i] = PSB_RVDC32(PALETTE_A + (i << 2));
+
+ if (dev_priv->hdmi_priv)
+ oaktrail_hdmi_save(dev);
+
+ /* Save performance state */
+ regs->psb.savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
+
+ /* LVDS state */
+ regs->psb.savePP_CONTROL = PSB_RVDC32(PP_CONTROL);
+ regs->psb.savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
+ regs->psb.savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS);
+ regs->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL);
+ regs->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2);
+ regs->psb.saveLVDS = PSB_RVDC32(LVDS);
+ regs->psb.savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
+ regs->psb.savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON);
+ regs->psb.savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF);
+ regs->psb.savePP_DIVISOR = PSB_RVDC32(PP_CYCLE);
+
+ /* HW overlay */
+ regs->psb.saveOV_OVADD = PSB_RVDC32(OV_OVADD);
+ regs->psb.saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
+ regs->psb.saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
+ regs->psb.saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
+ regs->psb.saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
+ regs->psb.saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
+ regs->psb.saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
+
+ /* DPST registers */
+ regs->psb.saveHISTOGRAM_INT_CONTROL_REG =
+ PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+ regs->psb.saveHISTOGRAM_LOGIC_CONTROL_REG =
+ PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
+ regs->psb.savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC);
+
+ if (dev_priv->iLVDS_enable) {
+ /* Shut down the panel */
+ PSB_WVDC32(0, PP_CONTROL);
+
+ do {
+ pp_stat = PSB_RVDC32(PP_STATUS);
+ } while (pp_stat & 0x80000000);
+
+ /* Turn off the plane */
+ PSB_WVDC32(0x58000000, DSPACNTR);
+ /* Trigger the plane disable */
+ PSB_WVDC32(0, DSPASURF);
+
+ /* Wait ~4 ticks */
+ msleep(4);
+
+ /* Turn off pipe */
+ PSB_WVDC32(0x0, PIPEACONF);
+ /* Wait ~8 ticks */
+ msleep(8);
+
+ /* Turn off PLLs */
+ PSB_WVDC32(0, MRST_DPLL_A);
+ }
+ return 0;
+}
+
+/**
+ * oaktrail_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ */
+static int oaktrail_restore_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_save_area *regs = &dev_priv->regs;
+ struct psb_pipe *p = ®s->pipe[0];
+ u32 pp_stat;
+ int i;
+
+ /* Display arbitration + watermarks */
+ PSB_WVDC32(regs->psb.saveDSPARB, DSPARB);
+ PSB_WVDC32(regs->psb.saveDSPFW1, DSPFW1);
+ PSB_WVDC32(regs->psb.saveDSPFW2, DSPFW2);
+ PSB_WVDC32(regs->psb.saveDSPFW3, DSPFW3);
+ PSB_WVDC32(regs->psb.saveDSPFW4, DSPFW4);
+ PSB_WVDC32(regs->psb.saveDSPFW5, DSPFW5);
+ PSB_WVDC32(regs->psb.saveDSPFW6, DSPFW6);
+ PSB_WVDC32(regs->psb.saveCHICKENBIT, DSPCHICKENBIT);
+
+ /* Make sure VGA plane is off. it initializes to on after reset!*/
+ PSB_WVDC32(0x80000000, VGACNTRL);
+
+ /* set the plls */
+ PSB_WVDC32(p->fp0, MRST_FPA0);
+ PSB_WVDC32(p->fp1, MRST_FPA1);
+
+ /* Actually enable it */
+ PSB_WVDC32(p->dpll, MRST_DPLL_A);
+ DRM_UDELAY(150);
+
+ /* Restore mode */
+ PSB_WVDC32(p->htotal, HTOTAL_A);
+ PSB_WVDC32(p->hblank, HBLANK_A);
+ PSB_WVDC32(p->hsync, HSYNC_A);
+ PSB_WVDC32(p->vtotal, VTOTAL_A);
+ PSB_WVDC32(p->vblank, VBLANK_A);
+ PSB_WVDC32(p->vsync, VSYNC_A);
+ PSB_WVDC32(p->src, PIPEASRC);
+ PSB_WVDC32(regs->psb.saveBCLRPAT_A, BCLRPAT_A);
+
+ /* Restore performance mode*/
+ PSB_WVDC32(regs->psb.savePERF_MODE, MRST_PERF_MODE);
+
+ /* Enable the pipe*/
+ if (dev_priv->iLVDS_enable)
+ PSB_WVDC32(p->conf, PIPEACONF);
+
+ /* Set up the plane*/
+ PSB_WVDC32(p->linoff, DSPALINOFF);
+ PSB_WVDC32(p->stride, DSPASTRIDE);
+ PSB_WVDC32(p->tileoff, DSPATILEOFF);
+
+ /* Enable the plane */
+ PSB_WVDC32(p->cntr, DSPACNTR);
+ PSB_WVDC32(p->surf, DSPASURF);
+
+ /* Enable Cursor A */
+ PSB_WVDC32(regs->psb.saveDSPACURSOR_CTRL, CURACNTR);
+ PSB_WVDC32(regs->psb.saveDSPACURSOR_POS, CURAPOS);
+ PSB_WVDC32(regs->psb.saveDSPACURSOR_BASE, CURABASE);
+
+ /* Restore palette (gamma) */
+ for (i = 0; i < 256; i++)
+ PSB_WVDC32(p->palette[i], PALETTE_A + (i << 2));
+
+ if (dev_priv->hdmi_priv)
+ oaktrail_hdmi_restore(dev);
+
+ if (dev_priv->iLVDS_enable) {
+ PSB_WVDC32(regs->saveBLC_PWM_CTL2, BLC_PWM_CTL2);
+ PSB_WVDC32(regs->psb.saveLVDS, LVDS); /*port 61180h*/
+ PSB_WVDC32(regs->psb.savePFIT_CONTROL, PFIT_CONTROL);
+ PSB_WVDC32(regs->psb.savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
+ PSB_WVDC32(regs->psb.savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS);
+ PSB_WVDC32(regs->saveBLC_PWM_CTL, BLC_PWM_CTL);
+ PSB_WVDC32(regs->psb.savePP_ON_DELAYS, LVDSPP_ON);
+ PSB_WVDC32(regs->psb.savePP_OFF_DELAYS, LVDSPP_OFF);
+ PSB_WVDC32(regs->psb.savePP_DIVISOR, PP_CYCLE);
+ PSB_WVDC32(regs->psb.savePP_CONTROL, PP_CONTROL);
+ }
+
+ /* Wait for cycle delay */
+ do {
+ pp_stat = PSB_RVDC32(PP_STATUS);
+ } while (pp_stat & 0x08000000);
+
+ /* Wait for panel power up */
+ do {
+ pp_stat = PSB_RVDC32(PP_STATUS);
+ } while (pp_stat & 0x10000000);
+
+ /* Restore HW overlay */
+ PSB_WVDC32(regs->psb.saveOV_OVADD, OV_OVADD);
+ PSB_WVDC32(regs->psb.saveOV_OGAMC0, OV_OGAMC0);
+ PSB_WVDC32(regs->psb.saveOV_OGAMC1, OV_OGAMC1);
+ PSB_WVDC32(regs->psb.saveOV_OGAMC2, OV_OGAMC2);
+ PSB_WVDC32(regs->psb.saveOV_OGAMC3, OV_OGAMC3);
+ PSB_WVDC32(regs->psb.saveOV_OGAMC4, OV_OGAMC4);
+ PSB_WVDC32(regs->psb.saveOV_OGAMC5, OV_OGAMC5);
+
+ /* DPST registers */
+ PSB_WVDC32(regs->psb.saveHISTOGRAM_INT_CONTROL_REG,
+ HISTOGRAM_INT_CONTROL);
+ PSB_WVDC32(regs->psb.saveHISTOGRAM_LOGIC_CONTROL_REG,
+ HISTOGRAM_LOGIC_CONTROL);
+ PSB_WVDC32(regs->psb.savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC);
+
+ return 0;
+}
+
+/**
+ * oaktrail_power_down - power down the display island
+ * @dev: our DRM device
+ *
+ * Power down the display interface of our device
+ */
+static int oaktrail_power_down(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_mask ;
+ u32 pwr_sts;
+
+ pwr_mask = PSB_PWRGT_DISPLAY_MASK;
+ outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
+
+ while (true) {
+ pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
+ if ((pwr_sts & pwr_mask) == pwr_mask)
+ break;
+ else
+ udelay(10);
+ }
+ return 0;
+}
+
+/*
+ * oaktrail_power_up
+ *
+ * Restore power to the specified island(s) (powergating)
+ */
+static int oaktrail_power_up(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
+ u32 pwr_sts, pwr_cnt;
+
+ pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
+ pwr_cnt &= ~pwr_mask;
+ outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
+
+ while (true) {
+ pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
+ if ((pwr_sts & pwr_mask) == 0)
+ break;
+ else
+ udelay(10);
+ }
+ return 0;
+}
+
+/* Oaktrail */
+static const struct psb_offset oaktrail_regmap[2] = {
+ {
+ .fp0 = MRST_FPA0,
+ .fp1 = MRST_FPA1,
+ .cntr = DSPACNTR,
+ .conf = PIPEACONF,
+ .src = PIPEASRC,
+ .dpll = MRST_DPLL_A,
+ .htotal = HTOTAL_A,
+ .hblank = HBLANK_A,
+ .hsync = HSYNC_A,
+ .vtotal = VTOTAL_A,
+ .vblank = VBLANK_A,
+ .vsync = VSYNC_A,
+ .stride = DSPASTRIDE,
+ .size = DSPASIZE,
+ .pos = DSPAPOS,
+ .surf = DSPASURF,
+ .addr = MRST_DSPABASE,
+ .base = MRST_DSPABASE,
+ .status = PIPEASTAT,
+ .linoff = DSPALINOFF,
+ .tileoff = DSPATILEOFF,
+ .palette = PALETTE_A,
+ },
+ {
+ .fp0 = FPB0,
+ .fp1 = FPB1,
+ .cntr = DSPBCNTR,
+ .conf = PIPEBCONF,
+ .src = PIPEBSRC,
+ .dpll = DPLL_B,
+ .htotal = HTOTAL_B,
+ .hblank = HBLANK_B,
+ .hsync = HSYNC_B,
+ .vtotal = VTOTAL_B,
+ .vblank = VBLANK_B,
+ .vsync = VSYNC_B,
+ .stride = DSPBSTRIDE,
+ .size = DSPBSIZE,
+ .pos = DSPBPOS,
+ .surf = DSPBSURF,
+ .addr = DSPBBASE,
+ .base = DSPBBASE,
+ .status = PIPEBSTAT,
+ .linoff = DSPBLINOFF,
+ .tileoff = DSPBTILEOFF,
+ .palette = PALETTE_B,
+ },
+};
+
+static int oaktrail_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (pci_enable_msi(dev->pdev))
+ dev_warn(dev->dev, "Enabling MSI failed!\n");
+
+ dev_priv->regmap = oaktrail_regmap;
+
+ ret = mid_chip_setup(dev);
+ if (ret < 0)
+ return ret;
+ if (!dev_priv->has_gct) {
+ /* Now pull the BIOS data */
+ psb_intel_opregion_init(dev);
+ psb_intel_init_bios(dev);
+ }
+ gma_intel_setup_gmbus(dev);
+ oaktrail_hdmi_setup(dev);
+ return 0;
+}
+
+static void oaktrail_teardown(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ gma_intel_teardown_gmbus(dev);
+ oaktrail_hdmi_teardown(dev);
+ if (!dev_priv->has_gct)
+ psb_intel_destroy_bios(dev);
+}
+
+const struct psb_ops oaktrail_chip_ops = {
+ .name = "Oaktrail",
+ .accel_2d = 1,
+ .pipes = 2,
+ .crtcs = 2,
+ .hdmi_mask = (1 << 1),
+ .lvds_mask = (1 << 0),
+ .sdvo_mask = (1 << 1),
+ .cursor_needs_phys = 0,
+ .sgx_offset = MRST_SGX_OFFSET,
+
+ .chip_setup = oaktrail_chip_setup,
+ .chip_teardown = oaktrail_teardown,
+ .crtc_helper = &oaktrail_helper_funcs,
+ .crtc_funcs = &psb_intel_crtc_funcs,
+
+ .output_init = oaktrail_output_init,
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ .backlight_init = oaktrail_backlight_init,
+#endif
+
+ .save_regs = oaktrail_save_display_registers,
+ .restore_regs = oaktrail_restore_display_registers,
+ .power_down = oaktrail_power_down,
+ .power_up = oaktrail_power_up,
+
+ .i2c_bus = 1,
+};
diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
new file mode 100644
index 0000000..2310d87
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
@@ -0,0 +1,856 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Li Peng <peng.li@intel.com>
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "psb_drv.h"
+
+#define HDMI_READ(reg) readl(hdmi_dev->regs + (reg))
+#define HDMI_WRITE(reg, val) writel(val, hdmi_dev->regs + (reg))
+
+#define HDMI_HCR 0x1000
+#define HCR_ENABLE_HDCP (1 << 5)
+#define HCR_ENABLE_AUDIO (1 << 2)
+#define HCR_ENABLE_PIXEL (1 << 1)
+#define HCR_ENABLE_TMDS (1 << 0)
+
+#define HDMI_HICR 0x1004
+#define HDMI_HSR 0x1008
+#define HDMI_HISR 0x100C
+#define HDMI_DETECT_HDP (1 << 0)
+
+#define HDMI_VIDEO_REG 0x3000
+#define HDMI_UNIT_EN (1 << 7)
+#define HDMI_MODE_OUTPUT (1 << 0)
+#define HDMI_HBLANK_A 0x3100
+
+#define HDMI_AUDIO_CTRL 0x4000
+#define HDMI_ENABLE_AUDIO (1 << 0)
+
+#define PCH_HTOTAL_B 0x3100
+#define PCH_HBLANK_B 0x3104
+#define PCH_HSYNC_B 0x3108
+#define PCH_VTOTAL_B 0x310C
+#define PCH_VBLANK_B 0x3110
+#define PCH_VSYNC_B 0x3114
+#define PCH_PIPEBSRC 0x311C
+
+#define PCH_PIPEB_DSL 0x3800
+#define PCH_PIPEB_SLC 0x3804
+#define PCH_PIPEBCONF 0x3808
+#define PCH_PIPEBSTAT 0x3824
+
+#define CDVO_DFT 0x5000
+#define CDVO_SLEWRATE 0x5004
+#define CDVO_STRENGTH 0x5008
+#define CDVO_RCOMP 0x500C
+
+#define DPLL_CTRL 0x6000
+#define DPLL_PDIV_SHIFT 16
+#define DPLL_PDIV_MASK (0xf << 16)
+#define DPLL_PWRDN (1 << 4)
+#define DPLL_RESET (1 << 3)
+#define DPLL_FASTEN (1 << 2)
+#define DPLL_ENSTAT (1 << 1)
+#define DPLL_DITHEN (1 << 0)
+
+#define DPLL_DIV_CTRL 0x6004
+#define DPLL_CLKF_MASK 0xffffffc0
+#define DPLL_CLKR_MASK (0x3f)
+
+#define DPLL_CLK_ENABLE 0x6008
+#define DPLL_EN_DISP (1 << 31)
+#define DPLL_SEL_HDMI (1 << 8)
+#define DPLL_EN_HDMI (1 << 1)
+#define DPLL_EN_VGA (1 << 0)
+
+#define DPLL_ADJUST 0x600C
+#define DPLL_STATUS 0x6010
+#define DPLL_UPDATE 0x6014
+#define DPLL_DFT 0x6020
+
+struct intel_range {
+ int min, max;
+};
+
+struct oaktrail_hdmi_limit {
+ struct intel_range vco, np, nr, nf;
+};
+
+struct oaktrail_hdmi_clock {
+ int np;
+ int nr;
+ int nf;
+ int dot;
+};
+
+#define VCO_MIN 320000
+#define VCO_MAX 1650000
+#define NP_MIN 1
+#define NP_MAX 15
+#define NR_MIN 1
+#define NR_MAX 64
+#define NF_MIN 2
+#define NF_MAX 4095
+
+static const struct oaktrail_hdmi_limit oaktrail_hdmi_limit = {
+ .vco = { .min = VCO_MIN, .max = VCO_MAX },
+ .np = { .min = NP_MIN, .max = NP_MAX },
+ .nr = { .min = NR_MIN, .max = NR_MAX },
+ .nf = { .min = NF_MIN, .max = NF_MAX },
+};
+
+static void oaktrail_hdmi_audio_enable(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+
+ HDMI_WRITE(HDMI_HCR, 0x67);
+ HDMI_READ(HDMI_HCR);
+
+ HDMI_WRITE(0x51a8, 0x10);
+ HDMI_READ(0x51a8);
+
+ HDMI_WRITE(HDMI_AUDIO_CTRL, 0x1);
+ HDMI_READ(HDMI_AUDIO_CTRL);
+}
+
+static void oaktrail_hdmi_audio_disable(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+
+ HDMI_WRITE(0x51a8, 0x0);
+ HDMI_READ(0x51a8);
+
+ HDMI_WRITE(HDMI_AUDIO_CTRL, 0x0);
+ HDMI_READ(HDMI_AUDIO_CTRL);
+
+ HDMI_WRITE(HDMI_HCR, 0x47);
+ HDMI_READ(HDMI_HCR);
+}
+
+static unsigned int htotal_calculate(struct drm_display_mode *mode)
+{
+ u32 htotal, new_crtc_htotal;
+
+ htotal = (mode->crtc_hdisplay - 1) | ((mode->crtc_htotal - 1) << 16);
+
+ /*
+ * 1024 x 768 new_crtc_htotal = 0x1024;
+ * 1280 x 1024 new_crtc_htotal = 0x0c34;
+ */
+ new_crtc_htotal = (mode->crtc_htotal - 1) * 200 * 1000 / mode->clock;
+
+ DRM_DEBUG_KMS("new crtc htotal 0x%4x\n", new_crtc_htotal);
+ return (mode->crtc_hdisplay - 1) | (new_crtc_htotal << 16);
+}
+
+static void oaktrail_hdmi_find_dpll(struct drm_crtc *crtc, int target,
+ int refclk, struct oaktrail_hdmi_clock *best_clock)
+{
+ int np_min, np_max, nr_min, nr_max;
+ int np, nr, nf;
+
+ np_min = DIV_ROUND_UP(oaktrail_hdmi_limit.vco.min, target * 10);
+ np_max = oaktrail_hdmi_limit.vco.max / (target * 10);
+ if (np_min < oaktrail_hdmi_limit.np.min)
+ np_min = oaktrail_hdmi_limit.np.min;
+ if (np_max > oaktrail_hdmi_limit.np.max)
+ np_max = oaktrail_hdmi_limit.np.max;
+
+ nr_min = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_max));
+ nr_max = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_min));
+ if (nr_min < oaktrail_hdmi_limit.nr.min)
+ nr_min = oaktrail_hdmi_limit.nr.min;
+ if (nr_max > oaktrail_hdmi_limit.nr.max)
+ nr_max = oaktrail_hdmi_limit.nr.max;
+
+ np = DIV_ROUND_UP((refclk * 1000), (target * 10 * nr_max));
+ nr = DIV_ROUND_UP((refclk * 1000), (target * 10 * np));
+ nf = DIV_ROUND_CLOSEST((target * 10 * np * nr), refclk);
+ DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf);
+
+ /*
+ * 1024 x 768 np = 1; nr = 0x26; nf = 0x0fd8000;
+ * 1280 x 1024 np = 1; nr = 0x17; nf = 0x1034000;
+ */
+ best_clock->np = np;
+ best_clock->nr = nr - 1;
+ best_clock->nf = (nf << 14);
+}
+
+static void scu_busy_loop(void __iomem *scu_base)
+{
+ u32 status = 0;
+ u32 loop_count = 0;
+
+ status = readl(scu_base + 0x04);
+ while (status & 1) {
+ udelay(1); /* scu processing time is in few u secods */
+ status = readl(scu_base + 0x04);
+ loop_count++;
+ /* break if scu doesn't reset busy bit after huge retry */
+ if (loop_count > 1000) {
+ DRM_DEBUG_KMS("SCU IPC timed out");
+ return;
+ }
+ }
+}
+
+/*
+ * You don't want to know, you really really don't want to know....
+ *
+ * This is magic. However it's safe magic because of the way the platform
+ * works and it is necessary magic.
+ */
+static void oaktrail_hdmi_reset(struct drm_device *dev)
+{
+ void __iomem *base;
+ unsigned long scu_ipc_mmio = 0xff11c000UL;
+ int scu_len = 1024;
+
+ base = ioremap((resource_size_t)scu_ipc_mmio, scu_len);
+ if (base == NULL) {
+ DRM_ERROR("failed to map scu mmio\n");
+ return;
+ }
+
+ /* scu ipc: assert hdmi controller reset */
+ writel(0xff11d118, base + 0x0c);
+ writel(0x7fffffdf, base + 0x80);
+ writel(0x42005, base + 0x0);
+ scu_busy_loop(base);
+
+ /* scu ipc: de-assert hdmi controller reset */
+ writel(0xff11d118, base + 0x0c);
+ writel(0x7fffffff, base + 0x80);
+ writel(0x42005, base + 0x0);
+ scu_busy_loop(base);
+
+ iounmap(base);
+}
+
+int oaktrail_crtc_hdmi_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+ int pipe = 1;
+ int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
+ int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
+ int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
+ int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
+ int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
+ int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
+ int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
+ int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
+ int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
+ int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
+ int refclk;
+ struct oaktrail_hdmi_clock clock;
+ u32 dspcntr, pipeconf, dpll, temp;
+ int dspcntr_reg = DSPBCNTR;
+
+ if (!gma_power_begin(dev, true))
+ return 0;
+
+ /* Disable the VGA plane that we never use */
+ REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
+
+ /* Disable dpll if necessary */
+ dpll = REG_READ(DPLL_CTRL);
+ if ((dpll & DPLL_PWRDN) == 0) {
+ REG_WRITE(DPLL_CTRL, dpll | (DPLL_PWRDN | DPLL_RESET));
+ REG_WRITE(DPLL_DIV_CTRL, 0x00000000);
+ REG_WRITE(DPLL_STATUS, 0x1);
+ }
+ udelay(150);
+
+ /* Reset controller */
+ oaktrail_hdmi_reset(dev);
+
+ /* program and enable dpll */
+ refclk = 25000;
+ oaktrail_hdmi_find_dpll(crtc, adjusted_mode->clock, refclk, &clock);
+
+ /* Set the DPLL */
+ dpll = REG_READ(DPLL_CTRL);
+ dpll &= ~DPLL_PDIV_MASK;
+ dpll &= ~(DPLL_PWRDN | DPLL_RESET);
+ REG_WRITE(DPLL_CTRL, 0x00000008);
+ REG_WRITE(DPLL_DIV_CTRL, ((clock.nf << 6) | clock.nr));
+ REG_WRITE(DPLL_ADJUST, ((clock.nf >> 14) - 1));
+ REG_WRITE(DPLL_CTRL, (dpll | (clock.np << DPLL_PDIV_SHIFT) | DPLL_ENSTAT | DPLL_DITHEN));
+ REG_WRITE(DPLL_UPDATE, 0x80000000);
+ REG_WRITE(DPLL_CLK_ENABLE, 0x80050102);
+ udelay(150);
+
+ /* configure HDMI */
+ HDMI_WRITE(0x1004, 0x1fd);
+ HDMI_WRITE(0x2000, 0x1);
+ HDMI_WRITE(0x2008, 0x0);
+ HDMI_WRITE(0x3130, 0x8);
+ HDMI_WRITE(0x101c, 0x1800810);
+
+ temp = htotal_calculate(adjusted_mode);
+ REG_WRITE(htot_reg, temp);
+ REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
+ REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1));
+
+ REG_WRITE(PCH_HTOTAL_B, (adjusted_mode->crtc_hdisplay - 1) | ((adjusted_mode->crtc_htotal - 1) << 16));
+ REG_WRITE(PCH_HBLANK_B, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ REG_WRITE(PCH_HSYNC_B, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ REG_WRITE(PCH_VTOTAL_B, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
+ REG_WRITE(PCH_VBLANK_B, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ REG_WRITE(PCH_VSYNC_B, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ REG_WRITE(PCH_PIPEBSRC, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1));
+
+ temp = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start;
+ HDMI_WRITE(HDMI_HBLANK_A, ((adjusted_mode->crtc_hdisplay - 1) << 16) | temp);
+
+ REG_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+ REG_WRITE(dsppos_reg, 0);
+
+ /* Flush the plane changes */
+ {
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ crtc_funcs->mode_set_base(crtc, x, y, old_fb);
+ }
+
+ /* Set up the display plane register */
+ dspcntr = REG_READ(dspcntr_reg);
+ dspcntr |= DISPPLANE_GAMMA_ENABLE;
+ dspcntr |= DISPPLANE_SEL_PIPE_B;
+ dspcntr |= DISPLAY_PLANE_ENABLE;
+
+ /* setup pipeconf */
+ pipeconf = REG_READ(pipeconf_reg);
+ pipeconf |= PIPEACONF_ENABLE;
+
+ REG_WRITE(pipeconf_reg, pipeconf);
+ REG_READ(pipeconf_reg);
+
+ REG_WRITE(PCH_PIPEBCONF, pipeconf);
+ REG_READ(PCH_PIPEBCONF);
+ gma_wait_for_vblank(dev);
+
+ REG_WRITE(dspcntr_reg, dspcntr);
+ gma_wait_for_vblank(dev);
+
+ gma_power_end(dev);
+
+ return 0;
+}
+
+void oaktrail_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ u32 temp;
+
+ DRM_DEBUG_KMS("%s %d\n", __func__, mode);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_OFF:
+ REG_WRITE(VGACNTRL, 0x80000000);
+
+ /* Disable plane */
+ temp = REG_READ(DSPBCNTR);
+ if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+ REG_WRITE(DSPBCNTR, temp & ~DISPLAY_PLANE_ENABLE);
+ REG_READ(DSPBCNTR);
+ /* Flush the plane changes */
+ REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
+ REG_READ(DSPBSURF);
+ }
+
+ /* Disable pipe B */
+ temp = REG_READ(PIPEBCONF);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ REG_WRITE(PIPEBCONF, temp & ~PIPEACONF_ENABLE);
+ REG_READ(PIPEBCONF);
+ }
+
+ /* Disable LNW Pipes, etc */
+ temp = REG_READ(PCH_PIPEBCONF);
+ if ((temp & PIPEACONF_ENABLE) != 0) {
+ REG_WRITE(PCH_PIPEBCONF, temp & ~PIPEACONF_ENABLE);
+ REG_READ(PCH_PIPEBCONF);
+ }
+
+ /* wait for pipe off */
+ udelay(150);
+
+ /* Disable dpll */
+ temp = REG_READ(DPLL_CTRL);
+ if ((temp & DPLL_PWRDN) == 0) {
+ REG_WRITE(DPLL_CTRL, temp | (DPLL_PWRDN | DPLL_RESET));
+ REG_WRITE(DPLL_STATUS, 0x1);
+ }
+
+ /* wait for dpll off */
+ udelay(150);
+
+ break;
+ case DRM_MODE_DPMS_ON:
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ /* Enable dpll */
+ temp = REG_READ(DPLL_CTRL);
+ if ((temp & DPLL_PWRDN) != 0) {
+ REG_WRITE(DPLL_CTRL, temp & ~(DPLL_PWRDN | DPLL_RESET));
+ temp = REG_READ(DPLL_CLK_ENABLE);
+ REG_WRITE(DPLL_CLK_ENABLE, temp | DPLL_EN_DISP | DPLL_SEL_HDMI | DPLL_EN_HDMI);
+ REG_READ(DPLL_CLK_ENABLE);
+ }
+ /* wait for dpll warm up */
+ udelay(150);
+
+ /* Enable pipe B */
+ temp = REG_READ(PIPEBCONF);
+ if ((temp & PIPEACONF_ENABLE) == 0) {
+ REG_WRITE(PIPEBCONF, temp | PIPEACONF_ENABLE);
+ REG_READ(PIPEBCONF);
+ }
+
+ /* Enable LNW Pipe B */
+ temp = REG_READ(PCH_PIPEBCONF);
+ if ((temp & PIPEACONF_ENABLE) == 0) {
+ REG_WRITE(PCH_PIPEBCONF, temp | PIPEACONF_ENABLE);
+ REG_READ(PCH_PIPEBCONF);
+ }
+
+ gma_wait_for_vblank(dev);
+
+ /* Enable plane */
+ temp = REG_READ(DSPBCNTR);
+ if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+ REG_WRITE(DSPBCNTR, temp | DISPLAY_PLANE_ENABLE);
+ /* Flush the plane changes */
+ REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
+ REG_READ(DSPBSURF);
+ }
+
+ gma_crtc_load_lut(crtc);
+ }
+
+ /* DSPARB */
+ REG_WRITE(DSPARB, 0x00003fbf);
+
+ /* FW1 */
+ REG_WRITE(0x70034, 0x3f880a0a);
+
+ /* FW2 */
+ REG_WRITE(0x70038, 0x0b060808);
+
+ /* FW4 */
+ REG_WRITE(0x70050, 0x08030404);
+
+ /* FW5 */
+ REG_WRITE(0x70054, 0x04040404);
+
+ /* LNC Chicken Bits - Squawk! */
+ REG_WRITE(0x70400, 0x4000);
+
+ return;
+}
+
+static void oaktrail_hdmi_dpms(struct drm_encoder *encoder, int mode)
+{
+ static int dpms_mode = -1;
+
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+ u32 temp;
+
+ if (dpms_mode == mode)
+ return;
+
+ if (mode != DRM_MODE_DPMS_ON)
+ temp = 0x0;
+ else
+ temp = 0x99;
+
+ dpms_mode = mode;
+ HDMI_WRITE(HDMI_VIDEO_REG, temp);
+}
+
+static int oaktrail_hdmi_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ if (mode->clock > 165000)
+ return MODE_CLOCK_HIGH;
+ if (mode->clock < 20000)
+ return MODE_CLOCK_LOW;
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ return MODE_OK;
+}
+
+static enum drm_connector_status
+oaktrail_hdmi_detect(struct drm_connector *connector, bool force)
+{
+ enum drm_connector_status status;
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+ u32 temp;
+
+ temp = HDMI_READ(HDMI_HSR);
+ DRM_DEBUG_KMS("HDMI_HSR %x\n", temp);
+
+ if ((temp & HDMI_DETECT_HDP) != 0)
+ status = connector_status_connected;
+ else
+ status = connector_status_disconnected;
+
+ return status;
+}
+
+static const unsigned char raw_edid[] = {
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x2f, 0xa0,
+ 0x53, 0x55, 0x33, 0x30, 0x16, 0x13, 0x01, 0x03, 0x0e, 0x3a, 0x24, 0x78,
+ 0xea, 0xe9, 0xf5, 0xac, 0x51, 0x30, 0xb4, 0x25, 0x11, 0x50, 0x54, 0xa5,
+ 0x4b, 0x00, 0x81, 0x80, 0xa9, 0x40, 0x71, 0x4f, 0xb3, 0x00, 0x01, 0x01,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
+ 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x46, 0x6c, 0x21, 0x00, 0x00, 0x1a,
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x47, 0x4e, 0x37, 0x32, 0x31, 0x39, 0x35,
+ 0x52, 0x30, 0x33, 0x55, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44,
+ 0x45, 0x4c, 0x4c, 0x20, 0x32, 0x37, 0x30, 0x39, 0x57, 0x0a, 0x20, 0x20,
+ 0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x8d
+};
+
+static int oaktrail_hdmi_get_modes(struct drm_connector *connector)
+{
+ struct i2c_adapter *i2c_adap;
+ struct edid *edid;
+ int ret = 0;
+
+ /*
+ * FIXME: We need to figure this lot out. In theory we can
+ * read the EDID somehow but I've yet to find working reference
+ * code.
+ */
+ i2c_adap = i2c_get_adapter(3);
+ if (i2c_adap == NULL) {
+ DRM_ERROR("No ddc adapter available!\n");
+ edid = (struct edid *)raw_edid;
+ } else {
+ edid = (struct edid *)raw_edid;
+ /* FIXME ? edid = drm_get_edid(connector, i2c_adap); */
+ }
+
+ if (edid) {
+ drm_mode_connector_update_edid_property(connector, edid);
+ ret = drm_add_edid_modes(connector, edid);
+ }
+ return ret;
+}
+
+static void oaktrail_hdmi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+
+ oaktrail_hdmi_audio_enable(dev);
+ return;
+}
+
+static void oaktrail_hdmi_destroy(struct drm_connector *connector)
+{
+ return;
+}
+
+static const struct drm_encoder_helper_funcs oaktrail_hdmi_helper_funcs = {
+ .dpms = oaktrail_hdmi_dpms,
+ .mode_fixup = gma_encoder_mode_fixup,
+ .prepare = gma_encoder_prepare,
+ .mode_set = oaktrail_hdmi_mode_set,
+ .commit = gma_encoder_commit,
+};
+
+static const struct drm_connector_helper_funcs
+ oaktrail_hdmi_connector_helper_funcs = {
+ .get_modes = oaktrail_hdmi_get_modes,
+ .mode_valid = oaktrail_hdmi_mode_valid,
+ .best_encoder = gma_best_encoder,
+};
+
+static const struct drm_connector_funcs oaktrail_hdmi_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = oaktrail_hdmi_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = oaktrail_hdmi_destroy,
+};
+
+static void oaktrail_hdmi_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs oaktrail_hdmi_enc_funcs = {
+ .destroy = oaktrail_hdmi_enc_destroy,
+};
+
+void oaktrail_hdmi_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev)
+{
+ struct gma_encoder *gma_encoder;
+ struct gma_connector *gma_connector;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+ if (!gma_encoder)
+ return;
+
+ gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+ if (!gma_connector)
+ goto failed_connector;
+
+ connector = &gma_connector->base;
+ encoder = &gma_encoder->base;
+ drm_connector_init(dev, connector,
+ &oaktrail_hdmi_connector_funcs,
+ DRM_MODE_CONNECTOR_DVID);
+
+ drm_encoder_init(dev, encoder,
+ &oaktrail_hdmi_enc_funcs,
+ DRM_MODE_ENCODER_TMDS);
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+
+ gma_encoder->type = INTEL_OUTPUT_HDMI;
+ drm_encoder_helper_add(encoder, &oaktrail_hdmi_helper_funcs);
+ drm_connector_helper_add(connector, &oaktrail_hdmi_connector_helper_funcs);
+
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+ drm_connector_register(connector);
+ dev_info(dev->dev, "HDMI initialised.\n");
+
+ return;
+
+failed_connector:
+ kfree(gma_encoder);
+}
+
+static const struct pci_device_id hdmi_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) },
+ { 0 }
+};
+
+void oaktrail_hdmi_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct pci_dev *pdev;
+ struct oaktrail_hdmi_dev *hdmi_dev;
+ int ret;
+
+ pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x080d, NULL);
+ if (!pdev)
+ return;
+
+ hdmi_dev = kzalloc(sizeof(struct oaktrail_hdmi_dev), GFP_KERNEL);
+ if (!hdmi_dev) {
+ dev_err(dev->dev, "failed to allocate memory\n");
+ goto out;
+ }
+
+
+ ret = pci_enable_device(pdev);
+ if (ret) {
+ dev_err(dev->dev, "failed to enable hdmi controller\n");
+ goto free;
+ }
+
+ hdmi_dev->mmio = pci_resource_start(pdev, 0);
+ hdmi_dev->mmio_len = pci_resource_len(pdev, 0);
+ hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
+ if (!hdmi_dev->regs) {
+ dev_err(dev->dev, "failed to map hdmi mmio\n");
+ goto free;
+ }
+
+ hdmi_dev->dev = pdev;
+ pci_set_drvdata(pdev, hdmi_dev);
+
+ /* Initialize i2c controller */
+ ret = oaktrail_hdmi_i2c_init(hdmi_dev->dev);
+ if (ret)
+ dev_err(dev->dev, "HDMI I2C initialization failed\n");
+
+ dev_priv->hdmi_priv = hdmi_dev;
+ oaktrail_hdmi_audio_disable(dev);
+
+ dev_info(dev->dev, "HDMI hardware present.\n");
+
+ return;
+
+free:
+ kfree(hdmi_dev);
+out:
+ return;
+}
+
+void oaktrail_hdmi_teardown(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+ struct pci_dev *pdev;
+
+ if (hdmi_dev) {
+ pdev = hdmi_dev->dev;
+ pci_set_drvdata(pdev, NULL);
+ oaktrail_hdmi_i2c_exit(pdev);
+ iounmap(hdmi_dev->regs);
+ kfree(hdmi_dev);
+ pci_dev_put(pdev);
+ }
+}
+
+/* save HDMI register state */
+void oaktrail_hdmi_save(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+ struct psb_state *regs = &dev_priv->regs.psb;
+ struct psb_pipe *pipeb = &dev_priv->regs.pipe[1];
+ int i;
+
+ /* dpll */
+ hdmi_dev->saveDPLL_CTRL = PSB_RVDC32(DPLL_CTRL);
+ hdmi_dev->saveDPLL_DIV_CTRL = PSB_RVDC32(DPLL_DIV_CTRL);
+ hdmi_dev->saveDPLL_ADJUST = PSB_RVDC32(DPLL_ADJUST);
+ hdmi_dev->saveDPLL_UPDATE = PSB_RVDC32(DPLL_UPDATE);
+ hdmi_dev->saveDPLL_CLK_ENABLE = PSB_RVDC32(DPLL_CLK_ENABLE);
+
+ /* pipe B */
+ pipeb->conf = PSB_RVDC32(PIPEBCONF);
+ pipeb->src = PSB_RVDC32(PIPEBSRC);
+ pipeb->htotal = PSB_RVDC32(HTOTAL_B);
+ pipeb->hblank = PSB_RVDC32(HBLANK_B);
+ pipeb->hsync = PSB_RVDC32(HSYNC_B);
+ pipeb->vtotal = PSB_RVDC32(VTOTAL_B);
+ pipeb->vblank = PSB_RVDC32(VBLANK_B);
+ pipeb->vsync = PSB_RVDC32(VSYNC_B);
+
+ hdmi_dev->savePCH_PIPEBCONF = PSB_RVDC32(PCH_PIPEBCONF);
+ hdmi_dev->savePCH_PIPEBSRC = PSB_RVDC32(PCH_PIPEBSRC);
+ hdmi_dev->savePCH_HTOTAL_B = PSB_RVDC32(PCH_HTOTAL_B);
+ hdmi_dev->savePCH_HBLANK_B = PSB_RVDC32(PCH_HBLANK_B);
+ hdmi_dev->savePCH_HSYNC_B = PSB_RVDC32(PCH_HSYNC_B);
+ hdmi_dev->savePCH_VTOTAL_B = PSB_RVDC32(PCH_VTOTAL_B);
+ hdmi_dev->savePCH_VBLANK_B = PSB_RVDC32(PCH_VBLANK_B);
+ hdmi_dev->savePCH_VSYNC_B = PSB_RVDC32(PCH_VSYNC_B);
+
+ /* plane */
+ pipeb->cntr = PSB_RVDC32(DSPBCNTR);
+ pipeb->stride = PSB_RVDC32(DSPBSTRIDE);
+ pipeb->addr = PSB_RVDC32(DSPBBASE);
+ pipeb->surf = PSB_RVDC32(DSPBSURF);
+ pipeb->linoff = PSB_RVDC32(DSPBLINOFF);
+ pipeb->tileoff = PSB_RVDC32(DSPBTILEOFF);
+
+ /* cursor B */
+ regs->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
+ regs->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
+ regs->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
+
+ /* save palette */
+ for (i = 0; i < 256; i++)
+ pipeb->palette[i] = PSB_RVDC32(PALETTE_B + (i << 2));
+}
+
+/* restore HDMI register state */
+void oaktrail_hdmi_restore(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
+ struct psb_state *regs = &dev_priv->regs.psb;
+ struct psb_pipe *pipeb = &dev_priv->regs.pipe[1];
+ int i;
+
+ /* dpll */
+ PSB_WVDC32(hdmi_dev->saveDPLL_CTRL, DPLL_CTRL);
+ PSB_WVDC32(hdmi_dev->saveDPLL_DIV_CTRL, DPLL_DIV_CTRL);
+ PSB_WVDC32(hdmi_dev->saveDPLL_ADJUST, DPLL_ADJUST);
+ PSB_WVDC32(hdmi_dev->saveDPLL_UPDATE, DPLL_UPDATE);
+ PSB_WVDC32(hdmi_dev->saveDPLL_CLK_ENABLE, DPLL_CLK_ENABLE);
+ DRM_UDELAY(150);
+
+ /* pipe */
+ PSB_WVDC32(pipeb->src, PIPEBSRC);
+ PSB_WVDC32(pipeb->htotal, HTOTAL_B);
+ PSB_WVDC32(pipeb->hblank, HBLANK_B);
+ PSB_WVDC32(pipeb->hsync, HSYNC_B);
+ PSB_WVDC32(pipeb->vtotal, VTOTAL_B);
+ PSB_WVDC32(pipeb->vblank, VBLANK_B);
+ PSB_WVDC32(pipeb->vsync, VSYNC_B);
+
+ PSB_WVDC32(hdmi_dev->savePCH_PIPEBSRC, PCH_PIPEBSRC);
+ PSB_WVDC32(hdmi_dev->savePCH_HTOTAL_B, PCH_HTOTAL_B);
+ PSB_WVDC32(hdmi_dev->savePCH_HBLANK_B, PCH_HBLANK_B);
+ PSB_WVDC32(hdmi_dev->savePCH_HSYNC_B, PCH_HSYNC_B);
+ PSB_WVDC32(hdmi_dev->savePCH_VTOTAL_B, PCH_VTOTAL_B);
+ PSB_WVDC32(hdmi_dev->savePCH_VBLANK_B, PCH_VBLANK_B);
+ PSB_WVDC32(hdmi_dev->savePCH_VSYNC_B, PCH_VSYNC_B);
+
+ PSB_WVDC32(pipeb->conf, PIPEBCONF);
+ PSB_WVDC32(hdmi_dev->savePCH_PIPEBCONF, PCH_PIPEBCONF);
+
+ /* plane */
+ PSB_WVDC32(pipeb->linoff, DSPBLINOFF);
+ PSB_WVDC32(pipeb->stride, DSPBSTRIDE);
+ PSB_WVDC32(pipeb->tileoff, DSPBTILEOFF);
+ PSB_WVDC32(pipeb->cntr, DSPBCNTR);
+ PSB_WVDC32(pipeb->surf, DSPBSURF);
+
+ /* cursor B */
+ PSB_WVDC32(regs->saveDSPBCURSOR_CTRL, CURBCNTR);
+ PSB_WVDC32(regs->saveDSPBCURSOR_POS, CURBPOS);
+ PSB_WVDC32(regs->saveDSPBCURSOR_BASE, CURBBASE);
+
+ /* restore palette */
+ for (i = 0; i < 256; i++)
+ PSB_WVDC32(pipeb->palette[i], PALETTE_B + (i << 2));
+}
diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c b/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c
new file mode 100644
index 0000000..e281070
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c
@@ -0,0 +1,327 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Li Peng <peng.li@intel.com>
+ */
+
+#include <linux/export.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include "psb_drv.h"
+
+#define HDMI_READ(reg) readl(hdmi_dev->regs + (reg))
+#define HDMI_WRITE(reg, val) writel(val, hdmi_dev->regs + (reg))
+
+#define HDMI_HCR 0x1000
+#define HCR_DETECT_HDP (1 << 6)
+#define HCR_ENABLE_HDCP (1 << 5)
+#define HCR_ENABLE_AUDIO (1 << 2)
+#define HCR_ENABLE_PIXEL (1 << 1)
+#define HCR_ENABLE_TMDS (1 << 0)
+#define HDMI_HICR 0x1004
+#define HDMI_INTR_I2C_ERROR (1 << 4)
+#define HDMI_INTR_I2C_FULL (1 << 3)
+#define HDMI_INTR_I2C_DONE (1 << 2)
+#define HDMI_INTR_HPD (1 << 0)
+#define HDMI_HSR 0x1008
+#define HDMI_HISR 0x100C
+#define HDMI_HI2CRDB0 0x1200
+#define HDMI_HI2CHCR 0x1240
+#define HI2C_HDCP_WRITE (0 << 2)
+#define HI2C_HDCP_RI_READ (1 << 2)
+#define HI2C_HDCP_READ (2 << 2)
+#define HI2C_EDID_READ (3 << 2)
+#define HI2C_READ_CONTINUE (1 << 1)
+#define HI2C_ENABLE_TRANSACTION (1 << 0)
+
+#define HDMI_ICRH 0x1100
+#define HDMI_HI2CTDR0 0x1244
+#define HDMI_HI2CTDR1 0x1248
+
+#define I2C_STAT_INIT 0
+#define I2C_READ_DONE 1
+#define I2C_TRANSACTION_DONE 2
+
+struct hdmi_i2c_dev {
+ struct i2c_adapter *adap;
+ struct mutex i2c_lock;
+ struct completion complete;
+ int status;
+ struct i2c_msg *msg;
+ int buf_offset;
+};
+
+static void hdmi_i2c_irq_enable(struct oaktrail_hdmi_dev *hdmi_dev)
+{
+ u32 temp;
+
+ temp = HDMI_READ(HDMI_HICR);
+ temp |= (HDMI_INTR_I2C_ERROR | HDMI_INTR_I2C_FULL | HDMI_INTR_I2C_DONE);
+ HDMI_WRITE(HDMI_HICR, temp);
+ HDMI_READ(HDMI_HICR);
+}
+
+static void hdmi_i2c_irq_disable(struct oaktrail_hdmi_dev *hdmi_dev)
+{
+ HDMI_WRITE(HDMI_HICR, 0x0);
+ HDMI_READ(HDMI_HICR);
+}
+
+static int xfer_read(struct i2c_adapter *adap, struct i2c_msg *pmsg)
+{
+ struct oaktrail_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
+ struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
+ u32 temp;
+
+ i2c_dev->status = I2C_STAT_INIT;
+ i2c_dev->msg = pmsg;
+ i2c_dev->buf_offset = 0;
+ reinit_completion(&i2c_dev->complete);
+
+ /* Enable I2C transaction */
+ temp = ((pmsg->len) << 20) | HI2C_EDID_READ | HI2C_ENABLE_TRANSACTION;
+ HDMI_WRITE(HDMI_HI2CHCR, temp);
+ HDMI_READ(HDMI_HI2CHCR);
+
+ while (i2c_dev->status != I2C_TRANSACTION_DONE)
+ wait_for_completion_interruptible_timeout(&i2c_dev->complete,
+ 10 * HZ);
+
+ return 0;
+}
+
+static int xfer_write(struct i2c_adapter *adap, struct i2c_msg *pmsg)
+{
+ /*
+ * XXX: i2c write seems isn't useful for EDID probe, don't do anything
+ */
+ return 0;
+}
+
+static int oaktrail_hdmi_i2c_access(struct i2c_adapter *adap,
+ struct i2c_msg *pmsg,
+ int num)
+{
+ struct oaktrail_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
+ struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
+ int i;
+
+ mutex_lock(&i2c_dev->i2c_lock);
+
+ /* Enable i2c unit */
+ HDMI_WRITE(HDMI_ICRH, 0x00008760);
+
+ /* Enable irq */
+ hdmi_i2c_irq_enable(hdmi_dev);
+ for (i = 0; i < num; i++) {
+ if (pmsg->len && pmsg->buf) {
+ if (pmsg->flags & I2C_M_RD)
+ xfer_read(adap, pmsg);
+ else
+ xfer_write(adap, pmsg);
+ }
+ pmsg++; /* next message */
+ }
+
+ /* Disable irq */
+ hdmi_i2c_irq_disable(hdmi_dev);
+
+ mutex_unlock(&i2c_dev->i2c_lock);
+
+ return i;
+}
+
+static u32 oaktrail_hdmi_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR;
+}
+
+static const struct i2c_algorithm oaktrail_hdmi_i2c_algorithm = {
+ .master_xfer = oaktrail_hdmi_i2c_access,
+ .functionality = oaktrail_hdmi_i2c_func,
+};
+
+static struct i2c_adapter oaktrail_hdmi_i2c_adapter = {
+ .name = "oaktrail_hdmi_i2c",
+ .nr = 3,
+ .owner = THIS_MODULE,
+ .class = I2C_CLASS_DDC,
+ .algo = &oaktrail_hdmi_i2c_algorithm,
+};
+
+static void hdmi_i2c_read(struct oaktrail_hdmi_dev *hdmi_dev)
+{
+ struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
+ struct i2c_msg *msg = i2c_dev->msg;
+ u8 *buf = msg->buf;
+ u32 temp;
+ int i, offset;
+
+ offset = i2c_dev->buf_offset;
+ for (i = 0; i < 0x10; i++) {
+ temp = HDMI_READ(HDMI_HI2CRDB0 + (i * 4));
+ memcpy(buf + (offset + i * 4), &temp, 4);
+ }
+ i2c_dev->buf_offset += (0x10 * 4);
+
+ /* clearing read buffer full intr */
+ temp = HDMI_READ(HDMI_HISR);
+ HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_FULL);
+ HDMI_READ(HDMI_HISR);
+
+ /* continue read transaction */
+ temp = HDMI_READ(HDMI_HI2CHCR);
+ HDMI_WRITE(HDMI_HI2CHCR, temp | HI2C_READ_CONTINUE);
+ HDMI_READ(HDMI_HI2CHCR);
+
+ i2c_dev->status = I2C_READ_DONE;
+ return;
+}
+
+static void hdmi_i2c_transaction_done(struct oaktrail_hdmi_dev *hdmi_dev)
+{
+ struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
+ u32 temp;
+
+ /* clear transaction done intr */
+ temp = HDMI_READ(HDMI_HISR);
+ HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_DONE);
+ HDMI_READ(HDMI_HISR);
+
+
+ temp = HDMI_READ(HDMI_HI2CHCR);
+ HDMI_WRITE(HDMI_HI2CHCR, temp & ~HI2C_ENABLE_TRANSACTION);
+ HDMI_READ(HDMI_HI2CHCR);
+
+ i2c_dev->status = I2C_TRANSACTION_DONE;
+ return;
+}
+
+static irqreturn_t oaktrail_hdmi_i2c_handler(int this_irq, void *dev)
+{
+ struct oaktrail_hdmi_dev *hdmi_dev = dev;
+ struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
+ u32 stat;
+
+ stat = HDMI_READ(HDMI_HISR);
+
+ if (stat & HDMI_INTR_HPD) {
+ HDMI_WRITE(HDMI_HISR, stat | HDMI_INTR_HPD);
+ HDMI_READ(HDMI_HISR);
+ }
+
+ if (stat & HDMI_INTR_I2C_FULL)
+ hdmi_i2c_read(hdmi_dev);
+
+ if (stat & HDMI_INTR_I2C_DONE)
+ hdmi_i2c_transaction_done(hdmi_dev);
+
+ complete(&i2c_dev->complete);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * choose alternate function 2 of GPIO pin 52, 53,
+ * which is used by HDMI I2C logic
+ */
+static void oaktrail_hdmi_i2c_gpio_fix(void)
+{
+ void __iomem *base;
+ unsigned int gpio_base = 0xff12c000;
+ int gpio_len = 0x1000;
+ u32 temp;
+
+ base = ioremap((resource_size_t)gpio_base, gpio_len);
+ if (base == NULL) {
+ DRM_ERROR("gpio ioremap fail\n");
+ return;
+ }
+
+ temp = readl(base + 0x44);
+ DRM_DEBUG_DRIVER("old gpio val %x\n", temp);
+ writel((temp | 0x00000a00), (base + 0x44));
+ temp = readl(base + 0x44);
+ DRM_DEBUG_DRIVER("new gpio val %x\n", temp);
+
+ iounmap(base);
+}
+
+int oaktrail_hdmi_i2c_init(struct pci_dev *dev)
+{
+ struct oaktrail_hdmi_dev *hdmi_dev;
+ struct hdmi_i2c_dev *i2c_dev;
+ int ret;
+
+ hdmi_dev = pci_get_drvdata(dev);
+
+ i2c_dev = kzalloc(sizeof(struct hdmi_i2c_dev), GFP_KERNEL);
+ if (i2c_dev == NULL) {
+ DRM_ERROR("Can't allocate interface\n");
+ ret = -ENOMEM;
+ goto exit;
+ }
+
+ i2c_dev->adap = &oaktrail_hdmi_i2c_adapter;
+ i2c_dev->status = I2C_STAT_INIT;
+ init_completion(&i2c_dev->complete);
+ mutex_init(&i2c_dev->i2c_lock);
+ i2c_set_adapdata(&oaktrail_hdmi_i2c_adapter, hdmi_dev);
+ hdmi_dev->i2c_dev = i2c_dev;
+
+ /* Enable HDMI I2C function on gpio */
+ oaktrail_hdmi_i2c_gpio_fix();
+
+ /* request irq */
+ ret = request_irq(dev->irq, oaktrail_hdmi_i2c_handler, IRQF_SHARED,
+ oaktrail_hdmi_i2c_adapter.name, hdmi_dev);
+ if (ret) {
+ DRM_ERROR("Failed to request IRQ for I2C controller\n");
+ goto err;
+ }
+
+ /* Adapter registration */
+ ret = i2c_add_numbered_adapter(&oaktrail_hdmi_i2c_adapter);
+ return ret;
+
+err:
+ kfree(i2c_dev);
+exit:
+ return ret;
+}
+
+void oaktrail_hdmi_i2c_exit(struct pci_dev *dev)
+{
+ struct oaktrail_hdmi_dev *hdmi_dev;
+ struct hdmi_i2c_dev *i2c_dev;
+
+ hdmi_dev = pci_get_drvdata(dev);
+ i2c_del_adapter(&oaktrail_hdmi_i2c_adapter);
+
+ i2c_dev = hdmi_dev->i2c_dev;
+ kfree(i2c_dev);
+ free_irq(dev->irq, hdmi_dev);
+}
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c
new file mode 100644
index 0000000..83bbc27
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c
@@ -0,0 +1,432 @@
+/*
+ * Copyright © 2006-2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Dave Airlie <airlied@linux.ie>
+ * Jesse Barnes <jesse.barnes@intel.com>
+ */
+
+#include <linux/i2c.h>
+#include <drm/drmP.h>
+#include <asm/intel-mid.h>
+
+#include "intel_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "power.h"
+#include <linux/pm_runtime.h>
+
+/* The max/min PWM frequency in BPCR[31:17] - */
+/* The smallest number is 1 (not 0) that can fit in the
+ * 15-bit field of the and then*/
+/* shifts to the left by one bit to get the actual 16-bit
+ * value that the 15-bits correspond to.*/
+#define MRST_BLC_MAX_PWM_REG_FREQ 0xFFFF
+#define BRIGHTNESS_MAX_LEVEL 100
+
+/**
+ * Sets the power state for the panel.
+ */
+static void oaktrail_lvds_set_power(struct drm_device *dev,
+ struct gma_encoder *gma_encoder,
+ bool on)
+{
+ u32 pp_status;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ if (on) {
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
+ POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & (PP_ON | PP_READY)) == PP_READY);
+ dev_priv->is_lvds_on = true;
+ if (dev_priv->ops->lvds_bl_power)
+ dev_priv->ops->lvds_bl_power(dev, true);
+ } else {
+ if (dev_priv->ops->lvds_bl_power)
+ dev_priv->ops->lvds_bl_power(dev, false);
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
+ ~POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while (pp_status & PP_ON);
+ dev_priv->is_lvds_on = false;
+ pm_request_idle(&dev->pdev->dev);
+ }
+ gma_power_end(dev);
+}
+
+static void oaktrail_lvds_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+
+ if (mode == DRM_MODE_DPMS_ON)
+ oaktrail_lvds_set_power(dev, gma_encoder, true);
+ else
+ oaktrail_lvds_set_power(dev, gma_encoder, false);
+
+ /* XXX: We never power down the LVDS pairs. */
+}
+
+static void oaktrail_lvds_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *connector = NULL;
+ struct drm_crtc *crtc = encoder->crtc;
+ u32 lvds_port;
+ uint64_t v = DRM_MODE_SCALE_FULLSCREEN;
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ /*
+ * The LVDS pin pair will already have been turned on in the
+ * psb_intel_crtc_mode_set since it has a large impact on the DPLL
+ * settings.
+ */
+ lvds_port = (REG_READ(LVDS) &
+ (~LVDS_PIPEB_SELECT)) |
+ LVDS_PORT_EN |
+ LVDS_BORDER_EN;
+
+ /* If the firmware says dither on Moorestown, or the BIOS does
+ on Oaktrail then enable dithering */
+ if (mode_dev->panel_wants_dither || dev_priv->lvds_dither)
+ lvds_port |= MRST_PANEL_8TO6_DITHER_ENABLE;
+
+ REG_WRITE(LVDS, lvds_port);
+
+ /* Find the connector we're trying to set up */
+ list_for_each_entry(connector, &mode_config->connector_list, head) {
+ if (!connector->encoder || connector->encoder->crtc != crtc)
+ continue;
+ }
+
+ if (!connector) {
+ DRM_ERROR("Couldn't find connector when setting mode");
+ return;
+ }
+
+ drm_object_property_get_value(
+ &connector->base,
+ dev->mode_config.scaling_mode_property,
+ &v);
+
+ if (v == DRM_MODE_SCALE_NO_SCALE)
+ REG_WRITE(PFIT_CONTROL, 0);
+ else if (v == DRM_MODE_SCALE_ASPECT) {
+ if ((mode->vdisplay != adjusted_mode->crtc_vdisplay) ||
+ (mode->hdisplay != adjusted_mode->crtc_hdisplay)) {
+ if ((adjusted_mode->crtc_hdisplay * mode->vdisplay) ==
+ (mode->hdisplay * adjusted_mode->crtc_vdisplay))
+ REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
+ else if ((adjusted_mode->crtc_hdisplay *
+ mode->vdisplay) > (mode->hdisplay *
+ adjusted_mode->crtc_vdisplay))
+ REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
+ PFIT_SCALING_MODE_PILLARBOX);
+ else
+ REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
+ PFIT_SCALING_MODE_LETTERBOX);
+ } else
+ REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
+ } else /*(v == DRM_MODE_SCALE_FULLSCREEN)*/
+ REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
+
+ gma_power_end(dev);
+}
+
+static void oaktrail_lvds_prepare(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+ oaktrail_lvds_set_power(dev, gma_encoder, false);
+ gma_power_end(dev);
+}
+
+static u32 oaktrail_lvds_get_max_backlight(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 ret;
+
+ if (gma_power_begin(dev, false)) {
+ ret = ((REG_READ(BLC_PWM_CTL) &
+ BACKLIGHT_MODULATION_FREQ_MASK) >>
+ BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
+
+ gma_power_end(dev);
+ } else
+ ret = ((dev_priv->regs.saveBLC_PWM_CTL &
+ BACKLIGHT_MODULATION_FREQ_MASK) >>
+ BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
+
+ return ret;
+}
+
+static void oaktrail_lvds_commit(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+ if (mode_dev->backlight_duty_cycle == 0)
+ mode_dev->backlight_duty_cycle =
+ oaktrail_lvds_get_max_backlight(dev);
+ oaktrail_lvds_set_power(dev, gma_encoder, true);
+}
+
+static const struct drm_encoder_helper_funcs oaktrail_lvds_helper_funcs = {
+ .dpms = oaktrail_lvds_dpms,
+ .mode_fixup = psb_intel_lvds_mode_fixup,
+ .prepare = oaktrail_lvds_prepare,
+ .mode_set = oaktrail_lvds_mode_set,
+ .commit = oaktrail_lvds_commit,
+};
+
+/* Returns the panel fixed mode from configuration. */
+
+static void oaktrail_lvds_get_configuration_mode(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev)
+{
+ struct drm_display_mode *mode = NULL;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct oaktrail_timing_info *ti = &dev_priv->gct_data.DTD;
+
+ mode_dev->panel_fixed_mode = NULL;
+
+ /* Use the firmware provided data on Moorestown */
+ if (dev_priv->has_gct) {
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return;
+
+ mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
+ mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
+ mode->hsync_start = mode->hdisplay + \
+ ((ti->hsync_offset_hi << 8) | \
+ ti->hsync_offset_lo);
+ mode->hsync_end = mode->hsync_start + \
+ ((ti->hsync_pulse_width_hi << 8) | \
+ ti->hsync_pulse_width_lo);
+ mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
+ ti->hblank_lo);
+ mode->vsync_start = \
+ mode->vdisplay + ((ti->vsync_offset_hi << 4) | \
+ ti->vsync_offset_lo);
+ mode->vsync_end = \
+ mode->vsync_start + ((ti->vsync_pulse_width_hi << 4) | \
+ ti->vsync_pulse_width_lo);
+ mode->vtotal = mode->vdisplay + \
+ ((ti->vblank_hi << 8) | ti->vblank_lo);
+ mode->clock = ti->pixel_clock * 10;
+#if 0
+ printk(KERN_INFO "hdisplay is %d\n", mode->hdisplay);
+ printk(KERN_INFO "vdisplay is %d\n", mode->vdisplay);
+ printk(KERN_INFO "HSS is %d\n", mode->hsync_start);
+ printk(KERN_INFO "HSE is %d\n", mode->hsync_end);
+ printk(KERN_INFO "htotal is %d\n", mode->htotal);
+ printk(KERN_INFO "VSS is %d\n", mode->vsync_start);
+ printk(KERN_INFO "VSE is %d\n", mode->vsync_end);
+ printk(KERN_INFO "vtotal is %d\n", mode->vtotal);
+ printk(KERN_INFO "clock is %d\n", mode->clock);
+#endif
+ mode_dev->panel_fixed_mode = mode;
+ }
+
+ /* Use the BIOS VBT mode if available */
+ if (mode_dev->panel_fixed_mode == NULL && mode_dev->vbt_mode)
+ mode_dev->panel_fixed_mode = drm_mode_duplicate(dev,
+ mode_dev->vbt_mode);
+
+ /* Then try the LVDS VBT mode */
+ if (mode_dev->panel_fixed_mode == NULL)
+ if (dev_priv->lfp_lvds_vbt_mode)
+ mode_dev->panel_fixed_mode =
+ drm_mode_duplicate(dev,
+ dev_priv->lfp_lvds_vbt_mode);
+
+ /* If we still got no mode then bail */
+ if (mode_dev->panel_fixed_mode == NULL)
+ return;
+
+ drm_mode_set_name(mode_dev->panel_fixed_mode);
+ drm_mode_set_crtcinfo(mode_dev->panel_fixed_mode, 0);
+}
+
+/**
+ * oaktrail_lvds_init - setup LVDS connectors on this device
+ * @dev: drm device
+ *
+ * Create the connector, register the LVDS DDC bus, and try to figure out what
+ * modes we can display on the LVDS panel (if present).
+ */
+void oaktrail_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev)
+{
+ struct gma_encoder *gma_encoder;
+ struct gma_connector *gma_connector;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct edid *edid;
+ struct i2c_adapter *i2c_adap;
+ struct drm_display_mode *scan; /* *modes, *bios_mode; */
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+ if (!gma_encoder)
+ return;
+
+ gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+ if (!gma_connector)
+ goto failed_connector;
+
+ connector = &gma_connector->base;
+ encoder = &gma_encoder->base;
+ dev_priv->is_lvds_on = true;
+ drm_connector_init(dev, connector,
+ &psb_intel_lvds_connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+
+ drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs,
+ DRM_MODE_ENCODER_LVDS);
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+ gma_encoder->type = INTEL_OUTPUT_LVDS;
+
+ drm_encoder_helper_add(encoder, &oaktrail_lvds_helper_funcs);
+ drm_connector_helper_add(connector,
+ &psb_intel_lvds_connector_helper_funcs);
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.scaling_mode_property,
+ DRM_MODE_SCALE_FULLSCREEN);
+ drm_object_attach_property(&connector->base,
+ dev_priv->backlight_property,
+ BRIGHTNESS_MAX_LEVEL);
+
+ mode_dev->panel_wants_dither = false;
+ if (dev_priv->has_gct)
+ mode_dev->panel_wants_dither = (dev_priv->gct_data.
+ Panel_Port_Control & MRST_PANEL_8TO6_DITHER_ENABLE);
+ if (dev_priv->lvds_dither)
+ mode_dev->panel_wants_dither = 1;
+
+ /*
+ * LVDS discovery:
+ * 1) check for EDID on DDC
+ * 2) check for VBT data
+ * 3) check to see if LVDS is already on
+ * if none of the above, no panel
+ * 4) make sure lid is open
+ * if closed, act like it's not there for now
+ */
+
+ edid = NULL;
+ mutex_lock(&dev->mode_config.mutex);
+ i2c_adap = i2c_get_adapter(dev_priv->ops->i2c_bus);
+ if (i2c_adap)
+ edid = drm_get_edid(connector, i2c_adap);
+ if (edid == NULL && dev_priv->lpc_gpio_base) {
+ oaktrail_lvds_i2c_init(encoder);
+ if (gma_encoder->ddc_bus != NULL) {
+ i2c_adap = &gma_encoder->ddc_bus->adapter;
+ edid = drm_get_edid(connector, i2c_adap);
+ }
+ }
+ /*
+ * Attempt to get the fixed panel mode from DDC. Assume that the
+ * preferred mode is the right one.
+ */
+ if (edid) {
+ drm_mode_connector_update_edid_property(connector, edid);
+ drm_add_edid_modes(connector, edid);
+ kfree(edid);
+
+ list_for_each_entry(scan, &connector->probed_modes, head) {
+ if (scan->type & DRM_MODE_TYPE_PREFERRED) {
+ mode_dev->panel_fixed_mode =
+ drm_mode_duplicate(dev, scan);
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+ } else
+ dev_err(dev->dev, "No ddc adapter available!\n");
+ /*
+ * If we didn't get EDID, try geting panel timing
+ * from configuration data
+ */
+ oaktrail_lvds_get_configuration_mode(dev, mode_dev);
+
+ if (mode_dev->panel_fixed_mode) {
+ mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
+ goto out; /* FIXME: check for quirks */
+ }
+
+ /* If we still don't have a mode after all that, give up. */
+ if (!mode_dev->panel_fixed_mode) {
+ dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
+ goto failed_find;
+ }
+
+out:
+ mutex_unlock(&dev->mode_config.mutex);
+
+ drm_connector_register(connector);
+ return;
+
+failed_find:
+ mutex_unlock(&dev->mode_config.mutex);
+
+ dev_dbg(dev->dev, "No LVDS modes found, disabling.\n");
+ if (gma_encoder->ddc_bus) {
+ psb_intel_i2c_destroy(gma_encoder->ddc_bus);
+ gma_encoder->ddc_bus = NULL;
+ }
+
+/* failed_ddc: */
+
+ drm_encoder_cleanup(encoder);
+ drm_connector_cleanup(connector);
+ kfree(gma_connector);
+failed_connector:
+ kfree(gma_encoder);
+}
+
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c b/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c
new file mode 100644
index 0000000..f913a62
--- /dev/null
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds_i2c.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright (c) 2002-2010, Intel Corporation.
+ * Copyright (c) 2014 ATRON electronic GmbH
+ * Author: Jan Safrata <jan.nikitenko@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include <drm/drmP.h>
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+
+
+/*
+ * LPC GPIO based I2C bus for LVDS of Atom E6xx
+ */
+
+/*-----------------------------------------------------------------------------
+ * LPC Register Offsets. Used for LVDS GPIO Bit Bashing. Registers are part
+ * Atom E6xx [D31:F0]
+ ----------------------------------------------------------------------------*/
+#define RGEN 0x20
+#define RGIO 0x24
+#define RGLVL 0x28
+#define RGTPE 0x2C
+#define RGTNE 0x30
+#define RGGPE 0x34
+#define RGSMI 0x38
+#define RGTS 0x3C
+
+/* The LVDS GPIO clock lines are GPIOSUS[3]
+ * The LVDS GPIO data lines are GPIOSUS[4]
+ */
+#define GPIO_CLOCK 0x08
+#define GPIO_DATA 0x10
+
+#define LPC_READ_REG(chan, r) inl((chan)->reg + (r))
+#define LPC_WRITE_REG(chan, r, val) outl((val), (chan)->reg + (r))
+
+static int get_clock(void *data)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ u32 val, tmp;
+
+ val = LPC_READ_REG(chan, RGIO);
+ val |= GPIO_CLOCK;
+ LPC_WRITE_REG(chan, RGIO, val);
+ tmp = LPC_READ_REG(chan, RGLVL);
+ val = (LPC_READ_REG(chan, RGLVL) & GPIO_CLOCK) ? 1 : 0;
+
+ return val;
+}
+
+static int get_data(void *data)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ u32 val, tmp;
+
+ val = LPC_READ_REG(chan, RGIO);
+ val |= GPIO_DATA;
+ LPC_WRITE_REG(chan, RGIO, val);
+ tmp = LPC_READ_REG(chan, RGLVL);
+ val = (LPC_READ_REG(chan, RGLVL) & GPIO_DATA) ? 1 : 0;
+
+ return val;
+}
+
+static void set_clock(void *data, int state_high)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ u32 val;
+
+ if (state_high) {
+ val = LPC_READ_REG(chan, RGIO);
+ val |= GPIO_CLOCK;
+ LPC_WRITE_REG(chan, RGIO, val);
+ } else {
+ val = LPC_READ_REG(chan, RGIO);
+ val &= ~GPIO_CLOCK;
+ LPC_WRITE_REG(chan, RGIO, val);
+ val = LPC_READ_REG(chan, RGLVL);
+ val &= ~GPIO_CLOCK;
+ LPC_WRITE_REG(chan, RGLVL, val);
+ }
+}
+
+static void set_data(void *data, int state_high)
+{
+ struct psb_intel_i2c_chan *chan = data;
+ u32 val;
+
+ if (state_high) {
+ val = LPC_READ_REG(chan, RGIO);
+ val |= GPIO_DATA;
+ LPC_WRITE_REG(chan, RGIO, val);
+ } else {
+ val = LPC_READ_REG(chan, RGIO);
+ val &= ~GPIO_DATA;
+ LPC_WRITE_REG(chan, RGIO, val);
+ val = LPC_READ_REG(chan, RGLVL);
+ val &= ~GPIO_DATA;
+ LPC_WRITE_REG(chan, RGLVL, val);
+ }
+}
+
+void oaktrail_lvds_i2c_init(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_i2c_chan *chan;
+
+ chan = kzalloc(sizeof(struct psb_intel_i2c_chan), GFP_KERNEL);
+ if (!chan)
+ return;
+
+ chan->drm_dev = dev;
+ chan->reg = dev_priv->lpc_gpio_base;
+ strncpy(chan->adapter.name, "gma500 LPC", I2C_NAME_SIZE - 1);
+ chan->adapter.owner = THIS_MODULE;
+ chan->adapter.algo_data = &chan->algo;
+ chan->adapter.dev.parent = &dev->pdev->dev;
+ chan->algo.setsda = set_data;
+ chan->algo.setscl = set_clock;
+ chan->algo.getsda = get_data;
+ chan->algo.getscl = get_clock;
+ chan->algo.udelay = 100;
+ chan->algo.timeout = usecs_to_jiffies(2200);
+ chan->algo.data = chan;
+
+ i2c_set_adapdata(&chan->adapter, chan);
+
+ set_data(chan, 1);
+ set_clock(chan, 1);
+ udelay(50);
+
+ if (i2c_bit_add_bus(&chan->adapter)) {
+ kfree(chan);
+ return;
+ }
+
+ gma_encoder->ddc_bus = chan;
+}
diff --git a/drivers/gpu/drm/gma500/opregion.c b/drivers/gpu/drm/gma500/opregion.c
new file mode 100644
index 0000000..ab696ca
--- /dev/null
+++ b/drivers/gpu/drm/gma500/opregion.c
@@ -0,0 +1,357 @@
+/*
+ * Copyright 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include <linux/acpi.h>
+#include "psb_drv.h"
+#include "psb_intel_reg.h"
+
+#define PCI_ASLE 0xe4
+#define PCI_ASLS 0xfc
+
+#define OPREGION_HEADER_OFFSET 0
+#define OPREGION_ACPI_OFFSET 0x100
+#define ACPI_CLID 0x01ac /* current lid state indicator */
+#define ACPI_CDCK 0x01b0 /* current docking state indicator */
+#define OPREGION_SWSCI_OFFSET 0x200
+#define OPREGION_ASLE_OFFSET 0x300
+#define OPREGION_VBT_OFFSET 0x400
+
+#define OPREGION_SIGNATURE "IntelGraphicsMem"
+#define MBOX_ACPI (1<<0)
+#define MBOX_SWSCI (1<<1)
+#define MBOX_ASLE (1<<2)
+
+struct opregion_header {
+ u8 signature[16];
+ u32 size;
+ u32 opregion_ver;
+ u8 bios_ver[32];
+ u8 vbios_ver[16];
+ u8 driver_ver[16];
+ u32 mboxes;
+ u8 reserved[164];
+} __packed;
+
+/* OpRegion mailbox #1: public ACPI methods */
+struct opregion_acpi {
+ u32 drdy; /* driver readiness */
+ u32 csts; /* notification status */
+ u32 cevt; /* current event */
+ u8 rsvd1[20];
+ u32 didl[8]; /* supported display devices ID list */
+ u32 cpdl[8]; /* currently presented display list */
+ u32 cadl[8]; /* currently active display list */
+ u32 nadl[8]; /* next active devices list */
+ u32 aslp; /* ASL sleep time-out */
+ u32 tidx; /* toggle table index */
+ u32 chpd; /* current hotplug enable indicator */
+ u32 clid; /* current lid state*/
+ u32 cdck; /* current docking state */
+ u32 sxsw; /* Sx state resume */
+ u32 evts; /* ASL supported events */
+ u32 cnot; /* current OS notification */
+ u32 nrdy; /* driver status */
+ u8 rsvd2[60];
+} __packed;
+
+/* OpRegion mailbox #2: SWSCI */
+struct opregion_swsci {
+ /*FIXME: add it later*/
+} __packed;
+
+/* OpRegion mailbox #3: ASLE */
+struct opregion_asle {
+ u32 ardy; /* driver readiness */
+ u32 aslc; /* ASLE interrupt command */
+ u32 tche; /* technology enabled indicator */
+ u32 alsi; /* current ALS illuminance reading */
+ u32 bclp; /* backlight brightness to set */
+ u32 pfit; /* panel fitting state */
+ u32 cblv; /* current brightness level */
+ u16 bclm[20]; /* backlight level duty cycle mapping table */
+ u32 cpfm; /* current panel fitting mode */
+ u32 epfm; /* enabled panel fitting modes */
+ u8 plut[74]; /* panel LUT and identifier */
+ u32 pfmb; /* PWM freq and min brightness */
+ u8 rsvd[102];
+} __packed;
+
+/* ASLE irq request bits */
+#define ASLE_SET_ALS_ILLUM (1 << 0)
+#define ASLE_SET_BACKLIGHT (1 << 1)
+#define ASLE_SET_PFIT (1 << 2)
+#define ASLE_SET_PWM_FREQ (1 << 3)
+#define ASLE_REQ_MSK 0xf
+
+/* response bits of ASLE irq request */
+#define ASLE_ALS_ILLUM_FAILED (1<<10)
+#define ASLE_BACKLIGHT_FAILED (1<<12)
+#define ASLE_PFIT_FAILED (1<<14)
+#define ASLE_PWM_FREQ_FAILED (1<<16)
+
+/* ASLE backlight brightness to set */
+#define ASLE_BCLP_VALID (1<<31)
+#define ASLE_BCLP_MSK (~(1<<31))
+
+/* ASLE panel fitting request */
+#define ASLE_PFIT_VALID (1<<31)
+#define ASLE_PFIT_CENTER (1<<0)
+#define ASLE_PFIT_STRETCH_TEXT (1<<1)
+#define ASLE_PFIT_STRETCH_GFX (1<<2)
+
+/* response bits of ASLE irq request */
+#define ASLE_ALS_ILLUM_FAILED (1<<10)
+#define ASLE_BACKLIGHT_FAILED (1<<12)
+#define ASLE_PFIT_FAILED (1<<14)
+#define ASLE_PWM_FREQ_FAILED (1<<16)
+
+/* ASLE backlight brightness to set */
+#define ASLE_BCLP_VALID (1<<31)
+#define ASLE_BCLP_MSK (~(1<<31))
+
+/* ASLE panel fitting request */
+#define ASLE_PFIT_VALID (1<<31)
+#define ASLE_PFIT_CENTER (1<<0)
+#define ASLE_PFIT_STRETCH_TEXT (1<<1)
+#define ASLE_PFIT_STRETCH_GFX (1<<2)
+
+/* PWM frequency and minimum brightness */
+#define ASLE_PFMB_BRIGHTNESS_MASK (0xff)
+#define ASLE_PFMB_BRIGHTNESS_VALID (1<<8)
+#define ASLE_PFMB_PWM_MASK (0x7ffffe00)
+#define ASLE_PFMB_PWM_VALID (1<<31)
+
+#define ASLE_CBLV_VALID (1<<31)
+
+static struct psb_intel_opregion *system_opregion;
+
+static u32 asle_set_backlight(struct drm_device *dev, u32 bclp)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct opregion_asle *asle = dev_priv->opregion.asle;
+ struct backlight_device *bd = dev_priv->backlight_device;
+
+ DRM_DEBUG_DRIVER("asle set backlight %x\n", bclp);
+
+ if (!(bclp & ASLE_BCLP_VALID))
+ return ASLE_BACKLIGHT_FAILED;
+
+ if (bd == NULL)
+ return ASLE_BACKLIGHT_FAILED;
+
+ bclp &= ASLE_BCLP_MSK;
+ if (bclp > 255)
+ return ASLE_BACKLIGHT_FAILED;
+
+ if (config_enabled(CONFIG_BACKLIGHT_CLASS_DEVICE)) {
+ int max = bd->props.max_brightness;
+ gma_backlight_set(dev, bclp * max / 255);
+ }
+
+ asle->cblv = (bclp * 0x64) / 0xff | ASLE_CBLV_VALID;
+
+ return 0;
+}
+
+static void psb_intel_opregion_asle_work(struct work_struct *work)
+{
+ struct psb_intel_opregion *opregion =
+ container_of(work, struct psb_intel_opregion, asle_work);
+ struct drm_psb_private *dev_priv =
+ container_of(opregion, struct drm_psb_private, opregion);
+ struct opregion_asle *asle = opregion->asle;
+ u32 asle_stat = 0;
+ u32 asle_req;
+
+ if (!asle)
+ return;
+
+ asle_req = asle->aslc & ASLE_REQ_MSK;
+ if (!asle_req) {
+ DRM_DEBUG_DRIVER("non asle set request??\n");
+ return;
+ }
+
+ if (asle_req & ASLE_SET_BACKLIGHT)
+ asle_stat |= asle_set_backlight(dev_priv->dev, asle->bclp);
+
+ asle->aslc = asle_stat;
+
+}
+
+void psb_intel_opregion_asle_intr(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->opregion.asle)
+ schedule_work(&dev_priv->opregion.asle_work);
+}
+
+#define ASLE_ALS_EN (1<<0)
+#define ASLE_BLC_EN (1<<1)
+#define ASLE_PFIT_EN (1<<2)
+#define ASLE_PFMB_EN (1<<3)
+
+void psb_intel_opregion_enable_asle(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct opregion_asle *asle = dev_priv->opregion.asle;
+
+ if (asle && system_opregion ) {
+ /* Don't do this on Medfield or other non PC like devices, they
+ use the bit for something different altogether */
+ psb_enable_pipestat(dev_priv, 0, PIPE_LEGACY_BLC_EVENT_ENABLE);
+ psb_enable_pipestat(dev_priv, 1, PIPE_LEGACY_BLC_EVENT_ENABLE);
+
+ asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN
+ | ASLE_PFMB_EN;
+ asle->ardy = 1;
+ }
+}
+
+#define ACPI_EV_DISPLAY_SWITCH (1<<0)
+#define ACPI_EV_LID (1<<1)
+#define ACPI_EV_DOCK (1<<2)
+
+
+static int psb_intel_opregion_video_event(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ /* The only video events relevant to opregion are 0x80. These indicate
+ either a docking event, lid switch or display switch request. In
+ Linux, these are handled by the dock, button and video drivers.
+ We might want to fix the video driver to be opregion-aware in
+ future, but right now we just indicate to the firmware that the
+ request has been handled */
+
+ struct opregion_acpi *acpi;
+
+ if (!system_opregion)
+ return NOTIFY_DONE;
+
+ acpi = system_opregion->acpi;
+ acpi->csts = 0;
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block psb_intel_opregion_notifier = {
+ .notifier_call = psb_intel_opregion_video_event,
+};
+
+void psb_intel_opregion_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_opregion *opregion = &dev_priv->opregion;
+
+ if (!opregion->header)
+ return;
+
+ if (opregion->acpi) {
+ /* Notify BIOS we are ready to handle ACPI video ext notifs.
+ * Right now, all the events are handled by the ACPI video
+ * module. We don't actually need to do anything with them. */
+ opregion->acpi->csts = 0;
+ opregion->acpi->drdy = 1;
+
+ system_opregion = opregion;
+ register_acpi_notifier(&psb_intel_opregion_notifier);
+ }
+}
+
+void psb_intel_opregion_fini(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_opregion *opregion = &dev_priv->opregion;
+
+ if (!opregion->header)
+ return;
+
+ if (opregion->acpi) {
+ opregion->acpi->drdy = 0;
+
+ system_opregion = NULL;
+ unregister_acpi_notifier(&psb_intel_opregion_notifier);
+ }
+
+ cancel_work_sync(&opregion->asle_work);
+
+ /* just clear all opregion memory pointers now */
+ iounmap(opregion->header);
+ opregion->header = NULL;
+ opregion->acpi = NULL;
+ opregion->swsci = NULL;
+ opregion->asle = NULL;
+ opregion->vbt = NULL;
+}
+
+int psb_intel_opregion_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_opregion *opregion = &dev_priv->opregion;
+ u32 opregion_phy, mboxes;
+ void __iomem *base;
+ int err = 0;
+
+ pci_read_config_dword(dev->pdev, PCI_ASLS, &opregion_phy);
+ if (opregion_phy == 0) {
+ DRM_DEBUG_DRIVER("ACPI Opregion not supported\n");
+ return -ENOTSUPP;
+ }
+
+ INIT_WORK(&opregion->asle_work, psb_intel_opregion_asle_work);
+
+ DRM_DEBUG("OpRegion detected at 0x%8x\n", opregion_phy);
+ base = acpi_os_ioremap(opregion_phy, 8*1024);
+ if (!base)
+ return -ENOMEM;
+
+ if (memcmp(base, OPREGION_SIGNATURE, 16)) {
+ DRM_DEBUG_DRIVER("opregion signature mismatch\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ opregion->header = base;
+ opregion->vbt = base + OPREGION_VBT_OFFSET;
+
+ opregion->lid_state = base + ACPI_CLID;
+
+ mboxes = opregion->header->mboxes;
+ if (mboxes & MBOX_ACPI) {
+ DRM_DEBUG_DRIVER("Public ACPI methods supported\n");
+ opregion->acpi = base + OPREGION_ACPI_OFFSET;
+ }
+
+ if (mboxes & MBOX_ASLE) {
+ DRM_DEBUG_DRIVER("ASLE supported\n");
+ opregion->asle = base + OPREGION_ASLE_OFFSET;
+ }
+
+ return 0;
+
+err_out:
+ iounmap(base);
+ return err;
+}
+
diff --git a/drivers/gpu/drm/gma500/opregion.h b/drivers/gpu/drm/gma500/opregion.h
new file mode 100644
index 0000000..4a90f8b
--- /dev/null
+++ b/drivers/gpu/drm/gma500/opregion.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#if defined(CONFIG_ACPI)
+extern void psb_intel_opregion_asle_intr(struct drm_device *dev);
+extern void psb_intel_opregion_init(struct drm_device *dev);
+extern void psb_intel_opregion_fini(struct drm_device *dev);
+extern int psb_intel_opregion_setup(struct drm_device *dev);
+extern void psb_intel_opregion_enable_asle(struct drm_device *dev);
+
+#else
+
+extern inline void psb_intel_opregion_asle_intr(struct drm_device *dev)
+{
+}
+
+extern inline void psb_intel_opregion_init(struct drm_device *dev)
+{
+}
+
+extern inline void psb_intel_opregion_fini(struct drm_device *dev)
+{
+}
+
+extern inline int psb_intel_opregion_setup(struct drm_device *dev)
+{
+ return 0;
+}
+
+extern inline void psb_intel_opregion_enable_asle(struct drm_device *dev)
+{
+}
+#endif
diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c
new file mode 100644
index 0000000..b6b135f
--- /dev/null
+++ b/drivers/gpu/drm/gma500/power.c
@@ -0,0 +1,332 @@
+/**************************************************************************
+ * Copyright (c) 2009-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Benjamin Defnet <benjamin.r.defnet@intel.com>
+ * Rajesh Poornachandran <rajesh.poornachandran@intel.com>
+ * Massively reworked
+ * Alan Cox <alan@linux.intel.com>
+ */
+
+#include "power.h"
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include <linux/mutex.h>
+#include <linux/pm_runtime.h>
+
+static struct mutex power_mutex; /* Serialize power ops */
+static spinlock_t power_ctrl_lock; /* Serialize power claim */
+
+/**
+ * gma_power_init - initialise power manager
+ * @dev: our device
+ *
+ * Set up for power management tracking of our hardware.
+ */
+void gma_power_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* FIXME: Move APM/OSPM base into relevant device code */
+ dev_priv->apm_base = dev_priv->apm_reg & 0xffff;
+ dev_priv->ospm_base &= 0xffff;
+
+ dev_priv->display_power = true; /* We start active */
+ dev_priv->display_count = 0; /* Currently no users */
+ dev_priv->suspended = false; /* And not suspended */
+ spin_lock_init(&power_ctrl_lock);
+ mutex_init(&power_mutex);
+
+ if (dev_priv->ops->init_pm)
+ dev_priv->ops->init_pm(dev);
+}
+
+/**
+ * gma_power_uninit - end power manager
+ * @dev: device to end for
+ *
+ * Undo the effects of gma_power_init
+ */
+void gma_power_uninit(struct drm_device *dev)
+{
+ pm_runtime_disable(&dev->pdev->dev);
+ pm_runtime_set_suspended(&dev->pdev->dev);
+}
+
+/**
+ * gma_suspend_display - suspend the display logic
+ * @dev: our DRM device
+ *
+ * Suspend the display logic of the graphics interface
+ */
+static void gma_suspend_display(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (dev_priv->suspended)
+ return;
+ dev_priv->ops->save_regs(dev);
+ dev_priv->ops->power_down(dev);
+ dev_priv->display_power = false;
+}
+
+/**
+ * gma_resume_display - resume display side logic
+ *
+ * Resume the display hardware restoring state and enabling
+ * as necessary.
+ */
+static void gma_resume_display(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* turn on the display power island */
+ dev_priv->ops->power_up(dev);
+ dev_priv->suspended = false;
+ dev_priv->display_power = true;
+
+ PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
+ pci_write_config_word(pdev, PSB_GMCH_CTRL,
+ dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
+
+ psb_gtt_restore(dev); /* Rebuild our GTT mappings */
+ dev_priv->ops->restore_regs(dev);
+}
+
+/**
+ * gma_suspend_pci - suspend PCI side
+ * @pdev: PCI device
+ *
+ * Perform the suspend processing on our PCI device state
+ */
+static void gma_suspend_pci(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int bsm, vbt;
+
+ if (dev_priv->suspended)
+ return;
+
+ pci_save_state(pdev);
+ pci_read_config_dword(pdev, 0x5C, &bsm);
+ dev_priv->regs.saveBSM = bsm;
+ pci_read_config_dword(pdev, 0xFC, &vbt);
+ dev_priv->regs.saveVBT = vbt;
+ pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr);
+ pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data);
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+
+ dev_priv->suspended = true;
+}
+
+/**
+ * gma_resume_pci - resume helper
+ * @dev: our PCI device
+ *
+ * Perform the resume processing on our PCI device state - rewrite
+ * register state and re-enable the PCI device
+ */
+static bool gma_resume_pci(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+
+ if (!dev_priv->suspended)
+ return true;
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+ pci_write_config_dword(pdev, 0x5c, dev_priv->regs.saveBSM);
+ pci_write_config_dword(pdev, 0xFC, dev_priv->regs.saveVBT);
+ /* restoring MSI address and data in PCIx space */
+ pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr);
+ pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data);
+ ret = pci_enable_device(pdev);
+
+ if (ret != 0)
+ dev_err(&pdev->dev, "pci_enable failed: %d\n", ret);
+ else
+ dev_priv->suspended = false;
+ return !dev_priv->suspended;
+}
+
+/**
+ * gma_power_suspend - bus callback for suspend
+ * @pdev: our PCI device
+ * @state: suspend type
+ *
+ * Called back by the PCI layer during a suspend of the system. We
+ * perform the necessary shut down steps and save enough state that
+ * we can undo this when resume is called.
+ */
+int gma_power_suspend(struct device *_dev)
+{
+ struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ mutex_lock(&power_mutex);
+ if (!dev_priv->suspended) {
+ if (dev_priv->display_count) {
+ mutex_unlock(&power_mutex);
+ dev_err(dev->dev, "GPU hardware busy, cannot suspend\n");
+ return -EBUSY;
+ }
+ psb_irq_uninstall(dev);
+ gma_suspend_display(dev);
+ gma_suspend_pci(pdev);
+ }
+ mutex_unlock(&power_mutex);
+ return 0;
+}
+
+/**
+ * gma_power_resume - resume power
+ * @pdev: PCI device
+ *
+ * Resume the PCI side of the graphics and then the displays
+ */
+int gma_power_resume(struct device *_dev)
+{
+ struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
+ struct drm_device *dev = pci_get_drvdata(pdev);
+
+ mutex_lock(&power_mutex);
+ gma_resume_pci(pdev);
+ gma_resume_display(pdev);
+ psb_irq_preinstall(dev);
+ psb_irq_postinstall(dev);
+ mutex_unlock(&power_mutex);
+ return 0;
+}
+
+/**
+ * gma_power_is_on - returne true if power is on
+ * @dev: our DRM device
+ *
+ * Returns true if the display island power is on at this moment
+ */
+bool gma_power_is_on(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ return dev_priv->display_power;
+}
+
+/**
+ * gma_power_begin - begin requiring power
+ * @dev: our DRM device
+ * @force_on: true to force power on
+ *
+ * Begin an action that requires the display power island is enabled.
+ * We refcount the islands.
+ */
+bool gma_power_begin(struct drm_device *dev, bool force_on)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&power_ctrl_lock, flags);
+ /* Power already on ? */
+ if (dev_priv->display_power) {
+ dev_priv->display_count++;
+ pm_runtime_get(&dev->pdev->dev);
+ spin_unlock_irqrestore(&power_ctrl_lock, flags);
+ return true;
+ }
+ if (force_on == false)
+ goto out_false;
+
+ /* Ok power up needed */
+ ret = gma_resume_pci(dev->pdev);
+ if (ret == 0) {
+ psb_irq_preinstall(dev);
+ psb_irq_postinstall(dev);
+ pm_runtime_get(&dev->pdev->dev);
+ dev_priv->display_count++;
+ spin_unlock_irqrestore(&power_ctrl_lock, flags);
+ return true;
+ }
+out_false:
+ spin_unlock_irqrestore(&power_ctrl_lock, flags);
+ return false;
+}
+
+/**
+ * gma_power_end - end use of power
+ * @dev: Our DRM device
+ *
+ * Indicate that one of our gma_power_begin() requested periods when
+ * the diplay island power is needed has completed.
+ */
+void gma_power_end(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long flags;
+ spin_lock_irqsave(&power_ctrl_lock, flags);
+ dev_priv->display_count--;
+ WARN_ON(dev_priv->display_count < 0);
+ spin_unlock_irqrestore(&power_ctrl_lock, flags);
+ pm_runtime_put(&dev->pdev->dev);
+}
+
+int psb_runtime_suspend(struct device *dev)
+{
+ return gma_power_suspend(dev);
+}
+
+int psb_runtime_resume(struct device *dev)
+{
+ return gma_power_resume(dev);
+}
+
+int psb_runtime_idle(struct device *dev)
+{
+ struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev));
+ struct drm_psb_private *dev_priv = drmdev->dev_private;
+ if (dev_priv->display_count)
+ return 0;
+ else
+ return 1;
+}
+
+int gma_power_thaw(struct device *_dev)
+{
+ return gma_power_resume(_dev);
+}
+
+int gma_power_freeze(struct device *_dev)
+{
+ return gma_power_suspend(_dev);
+}
+
+int gma_power_restore(struct device *_dev)
+{
+ return gma_power_resume(_dev);
+}
diff --git a/drivers/gpu/drm/gma500/power.h b/drivers/gpu/drm/gma500/power.h
new file mode 100644
index 0000000..56d8708
--- /dev/null
+++ b/drivers/gpu/drm/gma500/power.h
@@ -0,0 +1,70 @@
+/**************************************************************************
+ * Copyright (c) 2009-2011, Intel Corporation.
+ * All Rights Reserved.
+
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Benjamin Defnet <benjamin.r.defnet@intel.com>
+ * Rajesh Poornachandran <rajesh.poornachandran@intel.com>
+ * Massively reworked
+ * Alan Cox <alan@linux.intel.com>
+ */
+#ifndef _PSB_POWERMGMT_H_
+#define _PSB_POWERMGMT_H_
+
+#include <linux/pci.h>
+#include <drm/drmP.h>
+
+void gma_power_init(struct drm_device *dev);
+void gma_power_uninit(struct drm_device *dev);
+
+/*
+ * The kernel bus power management will call these functions
+ */
+int gma_power_suspend(struct device *dev);
+int gma_power_resume(struct device *dev);
+int gma_power_thaw(struct device *dev);
+int gma_power_freeze(struct device *dev);
+int gma_power_restore(struct device *_dev);
+
+/*
+ * These are the functions the driver should use to wrap all hw access
+ * (i.e. register reads and writes)
+ */
+bool gma_power_begin(struct drm_device *dev, bool force);
+void gma_power_end(struct drm_device *dev);
+
+/*
+ * Use this function to do an instantaneous check for if the hw is on.
+ * Only use this in cases where you know the mutex is already held such
+ * as in irq install/uninstall and you need to
+ * prevent a deadlock situation. Otherwise use gma_power_begin().
+ */
+bool gma_power_is_on(struct drm_device *dev);
+
+/*
+ * GFX-Runtime PM callbacks
+ */
+int psb_runtime_suspend(struct device *dev);
+int psb_runtime_resume(struct device *dev);
+int psb_runtime_idle(struct device *dev);
+
+#endif /*_PSB_POWERMGMT_H_*/
diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c
new file mode 100644
index 0000000..07df7d4
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_device.c
@@ -0,0 +1,360 @@
+/**************************************************************************
+ * Copyright (c) 2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <linux/backlight.h>
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include "intel_bios.h"
+#include "psb_device.h"
+#include "gma_device.h"
+
+static int psb_output_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ psb_intel_lvds_init(dev, &dev_priv->mode_dev);
+ psb_intel_sdvo_init(dev, SDVOB);
+ return 0;
+}
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+
+/*
+ * Poulsbo Backlight Interfaces
+ */
+
+#define BLC_PWM_PRECISION_FACTOR 100 /* 10000000 */
+#define BLC_PWM_FREQ_CALC_CONSTANT 32
+#define MHz 1000000
+
+#define PSB_BLC_PWM_PRECISION_FACTOR 10
+#define PSB_BLC_MAX_PWM_REG_FREQ 0xFFFE
+#define PSB_BLC_MIN_PWM_REG_FREQ 0x2
+
+#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
+#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16)
+
+static int psb_brightness;
+static struct backlight_device *psb_backlight_device;
+
+static int psb_get_brightness(struct backlight_device *bd)
+{
+ /* return locally cached var instead of HW read (due to DPST etc.) */
+ /* FIXME: ideally return actual value in case firmware fiddled with
+ it */
+ return psb_brightness;
+}
+
+
+static int psb_backlight_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long core_clock;
+ /* u32 bl_max_freq; */
+ /* unsigned long value; */
+ u16 bl_max_freq;
+ uint32_t value;
+ uint32_t blc_pwm_precision_factor;
+
+ /* get bl_max_freq and pol from dev_priv*/
+ if (!dev_priv->lvds_bl) {
+ dev_err(dev->dev, "Has no valid LVDS backlight info\n");
+ return -ENOENT;
+ }
+ bl_max_freq = dev_priv->lvds_bl->freq;
+ blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
+
+ core_clock = dev_priv->core_freq;
+
+ value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
+ value *= blc_pwm_precision_factor;
+ value /= bl_max_freq;
+ value /= blc_pwm_precision_factor;
+
+ if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
+ value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
+ return -ERANGE;
+ else {
+ value &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
+ REG_WRITE(BLC_PWM_CTL,
+ (value << PSB_BACKLIGHT_PWM_CTL_SHIFT) | (value));
+ }
+ return 0;
+}
+
+static int psb_set_brightness(struct backlight_device *bd)
+{
+ struct drm_device *dev = bl_get_data(psb_backlight_device);
+ int level = bd->props.brightness;
+
+ /* Percentage 1-100% being valid */
+ if (level < 1)
+ level = 1;
+
+ psb_intel_lvds_set_brightness(dev, level);
+ psb_brightness = level;
+ return 0;
+}
+
+static const struct backlight_ops psb_ops = {
+ .get_brightness = psb_get_brightness,
+ .update_status = psb_set_brightness,
+};
+
+static int psb_backlight_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int ret;
+ struct backlight_properties props;
+
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 100;
+ props.type = BACKLIGHT_PLATFORM;
+
+ psb_backlight_device = backlight_device_register("psb-bl",
+ NULL, (void *)dev, &psb_ops, &props);
+ if (IS_ERR(psb_backlight_device))
+ return PTR_ERR(psb_backlight_device);
+
+ ret = psb_backlight_setup(dev);
+ if (ret < 0) {
+ backlight_device_unregister(psb_backlight_device);
+ psb_backlight_device = NULL;
+ return ret;
+ }
+ psb_backlight_device->props.brightness = 100;
+ psb_backlight_device->props.max_brightness = 100;
+ backlight_update_status(psb_backlight_device);
+ dev_priv->backlight_device = psb_backlight_device;
+
+ /* This must occur after the backlight is properly initialised */
+ psb_lid_timer_init(dev_priv);
+
+ return 0;
+}
+
+#endif
+
+/*
+ * Provide the Poulsbo specific chip logic and low level methods
+ * for power management
+ */
+
+static void psb_init_pm(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL);
+ gating &= ~3; /* Disable 2D clock gating */
+ gating |= 1;
+ PSB_WSGX32(gating, PSB_CR_CLKGATECTL);
+ PSB_RSGX32(PSB_CR_CLKGATECTL);
+}
+
+/**
+ * psb_save_display_registers - save registers lost on suspend
+ * @dev: our DRM device
+ *
+ * Save the state we need in order to be able to restore the interface
+ * upon resume from suspend
+ */
+static int psb_save_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+ struct psb_state *regs = &dev_priv->regs.psb;
+
+ /* Display arbitration control + watermarks */
+ regs->saveDSPARB = PSB_RVDC32(DSPARB);
+ regs->saveDSPFW1 = PSB_RVDC32(DSPFW1);
+ regs->saveDSPFW2 = PSB_RVDC32(DSPFW2);
+ regs->saveDSPFW3 = PSB_RVDC32(DSPFW3);
+ regs->saveDSPFW4 = PSB_RVDC32(DSPFW4);
+ regs->saveDSPFW5 = PSB_RVDC32(DSPFW5);
+ regs->saveDSPFW6 = PSB_RVDC32(DSPFW6);
+ regs->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
+
+ /* Save crtc and output state */
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ if (drm_helper_crtc_in_use(crtc))
+ crtc->funcs->save(crtc);
+ }
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ if (connector->funcs->save)
+ connector->funcs->save(connector);
+
+ drm_modeset_unlock_all(dev);
+ return 0;
+}
+
+/**
+ * psb_restore_display_registers - restore lost register state
+ * @dev: our DRM device
+ *
+ * Restore register state that was lost during suspend and resume.
+ */
+static int psb_restore_display_registers(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct drm_crtc *crtc;
+ struct drm_connector *connector;
+ struct psb_state *regs = &dev_priv->regs.psb;
+
+ /* Display arbitration + watermarks */
+ PSB_WVDC32(regs->saveDSPARB, DSPARB);
+ PSB_WVDC32(regs->saveDSPFW1, DSPFW1);
+ PSB_WVDC32(regs->saveDSPFW2, DSPFW2);
+ PSB_WVDC32(regs->saveDSPFW3, DSPFW3);
+ PSB_WVDC32(regs->saveDSPFW4, DSPFW4);
+ PSB_WVDC32(regs->saveDSPFW5, DSPFW5);
+ PSB_WVDC32(regs->saveDSPFW6, DSPFW6);
+ PSB_WVDC32(regs->saveCHICKENBIT, DSPCHICKENBIT);
+
+ /*make sure VGA plane is off. it initializes to on after reset!*/
+ PSB_WVDC32(0x80000000, VGACNTRL);
+
+ drm_modeset_lock_all(dev);
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
+ if (drm_helper_crtc_in_use(crtc))
+ crtc->funcs->restore(crtc);
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head)
+ if (connector->funcs->restore)
+ connector->funcs->restore(connector);
+
+ drm_modeset_unlock_all(dev);
+ return 0;
+}
+
+static int psb_power_down(struct drm_device *dev)
+{
+ return 0;
+}
+
+static int psb_power_up(struct drm_device *dev)
+{
+ return 0;
+}
+
+/* Poulsbo */
+static const struct psb_offset psb_regmap[2] = {
+ {
+ .fp0 = FPA0,
+ .fp1 = FPA1,
+ .cntr = DSPACNTR,
+ .conf = PIPEACONF,
+ .src = PIPEASRC,
+ .dpll = DPLL_A,
+ .htotal = HTOTAL_A,
+ .hblank = HBLANK_A,
+ .hsync = HSYNC_A,
+ .vtotal = VTOTAL_A,
+ .vblank = VBLANK_A,
+ .vsync = VSYNC_A,
+ .stride = DSPASTRIDE,
+ .size = DSPASIZE,
+ .pos = DSPAPOS,
+ .base = DSPABASE,
+ .surf = DSPASURF,
+ .addr = DSPABASE,
+ .status = PIPEASTAT,
+ .linoff = DSPALINOFF,
+ .tileoff = DSPATILEOFF,
+ .palette = PALETTE_A,
+ },
+ {
+ .fp0 = FPB0,
+ .fp1 = FPB1,
+ .cntr = DSPBCNTR,
+ .conf = PIPEBCONF,
+ .src = PIPEBSRC,
+ .dpll = DPLL_B,
+ .htotal = HTOTAL_B,
+ .hblank = HBLANK_B,
+ .hsync = HSYNC_B,
+ .vtotal = VTOTAL_B,
+ .vblank = VBLANK_B,
+ .vsync = VSYNC_B,
+ .stride = DSPBSTRIDE,
+ .size = DSPBSIZE,
+ .pos = DSPBPOS,
+ .base = DSPBBASE,
+ .surf = DSPBSURF,
+ .addr = DSPBBASE,
+ .status = PIPEBSTAT,
+ .linoff = DSPBLINOFF,
+ .tileoff = DSPBTILEOFF,
+ .palette = PALETTE_B,
+ }
+};
+
+static int psb_chip_setup(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ dev_priv->regmap = psb_regmap;
+ gma_get_core_freq(dev);
+ gma_intel_setup_gmbus(dev);
+ psb_intel_opregion_init(dev);
+ psb_intel_init_bios(dev);
+ return 0;
+}
+
+static void psb_chip_teardown(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ psb_lid_timer_takedown(dev_priv);
+ gma_intel_teardown_gmbus(dev);
+}
+
+const struct psb_ops psb_chip_ops = {
+ .name = "Poulsbo",
+ .accel_2d = 1,
+ .pipes = 2,
+ .crtcs = 2,
+ .hdmi_mask = (1 << 0),
+ .lvds_mask = (1 << 1),
+ .sdvo_mask = (1 << 0),
+ .cursor_needs_phys = 1,
+ .sgx_offset = PSB_SGX_OFFSET,
+ .chip_setup = psb_chip_setup,
+ .chip_teardown = psb_chip_teardown,
+
+ .crtc_helper = &psb_intel_helper_funcs,
+ .crtc_funcs = &psb_intel_crtc_funcs,
+ .clock_funcs = &psb_clock_funcs,
+
+ .output_init = psb_output_init,
+
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ .backlight_init = psb_backlight_init,
+#endif
+
+ .init_pm = psb_init_pm,
+ .save_regs = psb_save_display_registers,
+ .restore_regs = psb_restore_display_registers,
+ .power_down = psb_power_down,
+ .power_up = psb_power_up,
+};
+
diff --git a/drivers/gpu/drm/gma500/psb_device.h b/drivers/gpu/drm/gma500/psb_device.h
new file mode 100644
index 0000000..35e304c
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_device.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright © 2013 Patrik Jakobsson
+ * Copyright © 2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _PSB_DEVICE_H_
+#define _PSB_DEVICE_H_
+
+extern const struct gma_clock_funcs psb_clock_funcs;
+
+#endif
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
new file mode 100644
index 0000000..db98ab5
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -0,0 +1,553 @@
+/**************************************************************************
+ * Copyright (c) 2007-2011, Intel Corporation.
+ * All Rights Reserved.
+ * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include <drm/drm.h>
+#include "psb_drv.h"
+#include "framebuffer.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include "intel_bios.h"
+#include "mid_bios.h"
+#include <drm/drm_pciids.h>
+#include "power.h"
+#include <linux/cpu.h>
+#include <linux/notifier.h>
+#include <linux/spinlock.h>
+#include <linux/pm_runtime.h>
+#include <acpi/video.h>
+#include <linux/module.h>
+
+static struct drm_driver driver;
+static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
+
+/*
+ * The table below contains a mapping of the PCI vendor ID and the PCI Device ID
+ * to the different groups of PowerVR 5-series chip designs
+ *
+ * 0x8086 = Intel Corporation
+ *
+ * PowerVR SGX535 - Poulsbo - Intel GMA 500, Intel Atom Z5xx
+ * PowerVR SGX535 - Moorestown - Intel GMA 600
+ * PowerVR SGX535 - Oaktrail - Intel GMA 600, Intel Atom Z6xx, E6xx
+ * PowerVR SGX540 - Medfield - Intel Atom Z2460
+ * PowerVR SGX544MP2 - Medfield -
+ * PowerVR SGX545 - Cedartrail - Intel GMA 3600, Intel Atom D2500, N2600
+ * PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700,
+ * N2800
+ */
+static const struct pci_device_id pciidlist[] = {
+ { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
+ { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
+#if defined(CONFIG_DRM_GMA600)
+ { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+ { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
+#endif
+#if defined(CONFIG_DRM_MEDFIELD)
+ { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+ { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
+#endif
+#if defined(CONFIG_DRM_GMA3600)
+ { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+ { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
+#endif
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, pciidlist);
+
+/*
+ * Standard IOCTLs.
+ */
+static const struct drm_ioctl_desc psb_ioctls[] = {
+};
+
+static void psb_driver_lastclose(struct drm_device *dev)
+{
+ int ret;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_fbdev *fbdev = dev_priv->fbdev;
+
+ ret = drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev->psb_fb_helper);
+ if (ret)
+ DRM_DEBUG("failed to restore crtc mode\n");
+
+ return;
+}
+
+static int psb_do_init(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_gtt *pg = &dev_priv->gtt;
+
+ uint32_t stolen_gtt;
+
+ if (pg->mmu_gatt_start & 0x0FFFFFFF) {
+ dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
+ return -EINVAL;
+ }
+
+ stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
+ stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
+ stolen_gtt = (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
+
+ dev_priv->gatt_free_offset = pg->mmu_gatt_start +
+ (stolen_gtt << PAGE_SHIFT) * 1024;
+
+ spin_lock_init(&dev_priv->irqmask_lock);
+ spin_lock_init(&dev_priv->lock_2d);
+
+ PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
+ PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
+ PSB_RSGX32(PSB_CR_BIF_BANK1);
+
+ /* Do not bypass any MMU access, let them pagefault instead */
+ PSB_WSGX32((PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_MMU_ER_MASK),
+ PSB_CR_BIF_CTRL);
+ PSB_RSGX32(PSB_CR_BIF_CTRL);
+
+ psb_spank(dev_priv);
+
+ /* mmu_gatt ?? */
+ PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
+ PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE); /* Post */
+
+ return 0;
+}
+
+static int psb_driver_unload(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ /* TODO: Kill vblank etc here */
+
+ if (dev_priv) {
+ if (dev_priv->backlight_device)
+ gma_backlight_exit(dev);
+ psb_modeset_cleanup(dev);
+
+ if (dev_priv->ops->chip_teardown)
+ dev_priv->ops->chip_teardown(dev);
+
+ psb_intel_opregion_fini(dev);
+
+ if (dev_priv->pf_pd) {
+ psb_mmu_free_pagedir(dev_priv->pf_pd);
+ dev_priv->pf_pd = NULL;
+ }
+ if (dev_priv->mmu) {
+ struct psb_gtt *pg = &dev_priv->gtt;
+
+ down_read(&pg->sem);
+ psb_mmu_remove_pfn_sequence(
+ psb_mmu_get_default_pd
+ (dev_priv->mmu),
+ pg->mmu_gatt_start,
+ dev_priv->vram_stolen_size >> PAGE_SHIFT);
+ up_read(&pg->sem);
+ psb_mmu_driver_takedown(dev_priv->mmu);
+ dev_priv->mmu = NULL;
+ }
+ psb_gtt_takedown(dev);
+ if (dev_priv->scratch_page) {
+ set_pages_wb(dev_priv->scratch_page, 1);
+ __free_page(dev_priv->scratch_page);
+ dev_priv->scratch_page = NULL;
+ }
+ if (dev_priv->vdc_reg) {
+ iounmap(dev_priv->vdc_reg);
+ dev_priv->vdc_reg = NULL;
+ }
+ if (dev_priv->sgx_reg) {
+ iounmap(dev_priv->sgx_reg);
+ dev_priv->sgx_reg = NULL;
+ }
+ if (dev_priv->aux_reg) {
+ iounmap(dev_priv->aux_reg);
+ dev_priv->aux_reg = NULL;
+ }
+ if (dev_priv->aux_pdev)
+ pci_dev_put(dev_priv->aux_pdev);
+ if (dev_priv->lpc_pdev)
+ pci_dev_put(dev_priv->lpc_pdev);
+
+ /* Destroy VBT data */
+ psb_intel_destroy_bios(dev);
+
+ kfree(dev_priv);
+ dev->dev_private = NULL;
+ }
+ gma_power_uninit(dev);
+ return 0;
+}
+
+static int psb_driver_load(struct drm_device *dev, unsigned long flags)
+{
+ struct drm_psb_private *dev_priv;
+ unsigned long resource_start, resource_len;
+ unsigned long irqflags;
+ int ret = -ENOMEM;
+ struct drm_connector *connector;
+ struct gma_encoder *gma_encoder;
+ struct psb_gtt *pg;
+
+ /* allocating and initializing driver private data */
+ dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
+ if (dev_priv == NULL)
+ return -ENOMEM;
+
+ dev_priv->ops = (struct psb_ops *)flags;
+ dev_priv->dev = dev;
+ dev->dev_private = (void *) dev_priv;
+
+ pg = &dev_priv->gtt;
+
+ pci_set_master(dev->pdev);
+
+ dev_priv->num_pipe = dev_priv->ops->pipes;
+
+ resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
+
+ dev_priv->vdc_reg =
+ ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
+ if (!dev_priv->vdc_reg)
+ goto out_err;
+
+ dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
+ PSB_SGX_SIZE);
+ if (!dev_priv->sgx_reg)
+ goto out_err;
+
+ if (IS_MRST(dev)) {
+ dev_priv->aux_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(3, 0));
+
+ if (dev_priv->aux_pdev) {
+ resource_start = pci_resource_start(dev_priv->aux_pdev,
+ PSB_AUX_RESOURCE);
+ resource_len = pci_resource_len(dev_priv->aux_pdev,
+ PSB_AUX_RESOURCE);
+ dev_priv->aux_reg = ioremap_nocache(resource_start,
+ resource_len);
+ if (!dev_priv->aux_reg)
+ goto out_err;
+
+ DRM_DEBUG_KMS("Found aux vdc");
+ } else {
+ /* Couldn't find the aux vdc so map to primary vdc */
+ dev_priv->aux_reg = dev_priv->vdc_reg;
+ DRM_DEBUG_KMS("Couldn't find aux pci device");
+ }
+ dev_priv->gmbus_reg = dev_priv->aux_reg;
+
+ dev_priv->lpc_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(31, 0));
+ if (dev_priv->lpc_pdev) {
+ pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
+ &dev_priv->lpc_gpio_base);
+ pci_write_config_dword(dev_priv->lpc_pdev, PSB_LPC_GBA,
+ (u32)dev_priv->lpc_gpio_base | (1L<<31));
+ pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
+ &dev_priv->lpc_gpio_base);
+ dev_priv->lpc_gpio_base &= 0xffc0;
+ if (dev_priv->lpc_gpio_base)
+ DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n",
+ dev_priv->lpc_gpio_base);
+ else {
+ pci_dev_put(dev_priv->lpc_pdev);
+ dev_priv->lpc_pdev = NULL;
+ }
+ }
+ } else {
+ dev_priv->gmbus_reg = dev_priv->vdc_reg;
+ }
+
+ psb_intel_opregion_setup(dev);
+
+ ret = dev_priv->ops->chip_setup(dev);
+ if (ret)
+ goto out_err;
+
+ /* Init OSPM support */
+ gma_power_init(dev);
+
+ ret = -ENOMEM;
+
+ dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
+ if (!dev_priv->scratch_page)
+ goto out_err;
+
+ set_pages_uc(dev_priv->scratch_page, 1);
+
+ ret = psb_gtt_init(dev, 0);
+ if (ret)
+ goto out_err;
+
+ dev_priv->mmu = psb_mmu_driver_init(dev, 1, 0, 0);
+ if (!dev_priv->mmu)
+ goto out_err;
+
+ dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
+ if (!dev_priv->pf_pd)
+ goto out_err;
+
+ ret = psb_do_init(dev);
+ if (ret)
+ return ret;
+
+ /* Add stolen memory to SGX MMU */
+ down_read(&pg->sem);
+ ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu),
+ dev_priv->stolen_base >> PAGE_SHIFT,
+ pg->gatt_start,
+ pg->stolen_size >> PAGE_SHIFT, 0);
+ up_read(&pg->sem);
+
+ psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
+ psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
+
+ PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
+ PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
+
+ acpi_video_register();
+
+ /* Setup vertical blanking handling */
+ ret = drm_vblank_init(dev, dev_priv->num_pipe);
+ if (ret)
+ goto out_err;
+
+ /*
+ * Install interrupt handlers prior to powering off SGX or else we will
+ * crash.
+ */
+ dev_priv->vdc_irq_mask = 0;
+ dev_priv->pipestat[0] = 0;
+ dev_priv->pipestat[1] = 0;
+ dev_priv->pipestat[2] = 0;
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+ PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
+ PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
+ PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+
+ drm_irq_install(dev, dev->pdev->irq);
+
+ dev->vblank_disable_allowed = true;
+ dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
+ dev->driver->get_vblank_counter = psb_get_vblank_counter;
+
+ psb_modeset_init(dev);
+ psb_fbdev_init(dev);
+ drm_kms_helper_poll_init(dev);
+
+ /* Only add backlight support if we have LVDS output */
+ list_for_each_entry(connector, &dev->mode_config.connector_list,
+ head) {
+ gma_encoder = gma_attached_encoder(connector);
+
+ switch (gma_encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ case INTEL_OUTPUT_MIPI:
+ ret = gma_backlight_init(dev);
+ break;
+ }
+ }
+
+ if (ret)
+ return ret;
+ psb_intel_opregion_enable_asle(dev);
+#if 0
+ /* Enable runtime pm at last */
+ pm_runtime_enable(&dev->pdev->dev);
+ pm_runtime_set_active(&dev->pdev->dev);
+#endif
+ /* Intel drm driver load is done, continue doing pvr load */
+ return 0;
+out_err:
+ psb_driver_unload(dev);
+ return ret;
+}
+
+static int psb_driver_device_is_agp(struct drm_device *dev)
+{
+ return 0;
+}
+
+static inline void get_brightness(struct backlight_device *bd)
+{
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ if (bd) {
+ bd->props.brightness = bd->ops->get_brightness(bd);
+ backlight_update_status(bd);
+ }
+#endif
+}
+
+static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
+{
+ struct drm_file *file_priv = filp->private_data;
+ struct drm_device *dev = file_priv->minor->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ static unsigned int runtime_allowed;
+
+ if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
+ runtime_allowed++;
+ pm_runtime_allow(&dev->pdev->dev);
+ dev_priv->rpm_enabled = 1;
+ }
+ return drm_ioctl(filp, cmd, arg);
+ /* FIXME: do we need to wrap the other side of this */
+}
+
+/*
+ * When a client dies:
+ * - Check for and clean up flipped page state
+ */
+static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
+{
+}
+
+static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ return drm_get_pci_dev(pdev, ent, &driver);
+}
+
+
+static void psb_pci_remove(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ drm_put_dev(dev);
+}
+
+static const struct dev_pm_ops psb_pm_ops = {
+ .resume = gma_power_resume,
+ .suspend = gma_power_suspend,
+ .thaw = gma_power_thaw,
+ .freeze = gma_power_freeze,
+ .restore = gma_power_restore,
+ .runtime_suspend = psb_runtime_suspend,
+ .runtime_resume = psb_runtime_resume,
+ .runtime_idle = psb_runtime_idle,
+};
+
+static const struct vm_operations_struct psb_gem_vm_ops = {
+ .fault = psb_gem_fault,
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+
+static const struct file_operations psb_gem_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .unlocked_ioctl = psb_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = drm_compat_ioctl,
+#endif
+ .mmap = drm_gem_mmap,
+ .poll = drm_poll,
+ .read = drm_read,
+};
+
+static struct drm_driver driver = {
+ .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
+ DRIVER_MODESET | DRIVER_GEM,
+ .load = psb_driver_load,
+ .unload = psb_driver_unload,
+ .lastclose = psb_driver_lastclose,
+ .preclose = psb_driver_preclose,
+ .set_busid = drm_pci_set_busid,
+
+ .num_ioctls = ARRAY_SIZE(psb_ioctls),
+ .device_is_agp = psb_driver_device_is_agp,
+ .irq_preinstall = psb_irq_preinstall,
+ .irq_postinstall = psb_irq_postinstall,
+ .irq_uninstall = psb_irq_uninstall,
+ .irq_handler = psb_irq_handler,
+ .enable_vblank = psb_enable_vblank,
+ .disable_vblank = psb_disable_vblank,
+ .get_vblank_counter = psb_get_vblank_counter,
+
+ .gem_free_object = psb_gem_free_object,
+ .gem_vm_ops = &psb_gem_vm_ops,
+
+ .dumb_create = psb_gem_dumb_create,
+ .dumb_map_offset = psb_gem_dumb_map_gtt,
+ .dumb_destroy = drm_gem_dumb_destroy,
+ .ioctls = psb_ioctls,
+ .fops = &psb_gem_fops,
+ .name = DRIVER_NAME,
+ .desc = DRIVER_DESC,
+ .date = DRIVER_DATE,
+ .major = DRIVER_MAJOR,
+ .minor = DRIVER_MINOR,
+ .patchlevel = DRIVER_PATCHLEVEL
+};
+
+static struct pci_driver psb_pci_driver = {
+ .name = DRIVER_NAME,
+ .id_table = pciidlist,
+ .probe = psb_pci_probe,
+ .remove = psb_pci_remove,
+ .driver.pm = &psb_pm_ops,
+};
+
+static int __init psb_init(void)
+{
+ return drm_pci_init(&driver, &psb_pci_driver);
+}
+
+static void __exit psb_exit(void)
+{
+ drm_pci_exit(&driver, &psb_pci_driver);
+}
+
+late_initcall(psb_init);
+module_exit(psb_exit);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE(DRIVER_LICENSE);
diff --git a/drivers/gpu/drm/gma500/psb_drv.h b/drivers/gpu/drm/gma500/psb_drv.h
new file mode 100644
index 0000000..e21726e
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_drv.h
@@ -0,0 +1,925 @@
+/**************************************************************************
+ * Copyright (c) 2007-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ **************************************************************************/
+
+#ifndef _PSB_DRV_H_
+#define _PSB_DRV_H_
+
+#include <linux/kref.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_global.h>
+#include <drm/gma_drm.h>
+#include "psb_reg.h"
+#include "psb_intel_drv.h"
+#include "gma_display.h"
+#include "intel_bios.h"
+#include "gtt.h"
+#include "power.h"
+#include "opregion.h"
+#include "oaktrail.h"
+#include "mmu.h"
+
+#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
+#define DRIVER_LICENSE "GPL"
+
+#define DRIVER_NAME "gma500"
+#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
+#define DRIVER_DATE "20140314"
+
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
+
+/* Append new drm mode definition here, align with libdrm definition */
+#define DRM_MODE_SCALE_NO_SCALE 2
+
+enum {
+ CHIP_PSB_8108 = 0, /* Poulsbo */
+ CHIP_PSB_8109 = 1, /* Poulsbo */
+ CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */
+ CHIP_MFLD_0130 = 3, /* Medfield */
+};
+
+#define IS_PSB(dev) (((dev)->pdev->device & 0xfffe) == 0x8108)
+#define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
+#define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
+#define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
+
+/* Hardware offsets */
+#define PSB_VDC_OFFSET 0x00000000
+#define PSB_VDC_SIZE 0x000080000
+#define MRST_MMIO_SIZE 0x0000C0000
+#define MDFLD_MMIO_SIZE 0x000100000
+#define PSB_SGX_SIZE 0x8000
+#define PSB_SGX_OFFSET 0x00040000
+#define MRST_SGX_OFFSET 0x00080000
+
+/* PCI resource identifiers */
+#define PSB_MMIO_RESOURCE 0
+#define PSB_AUX_RESOURCE 0
+#define PSB_GATT_RESOURCE 2
+#define PSB_GTT_RESOURCE 3
+
+/* PCI configuration */
+#define PSB_GMCH_CTRL 0x52
+#define PSB_BSM 0x5C
+#define _PSB_GMCH_ENABLED 0x4
+#define PSB_PGETBL_CTL 0x2020
+#define _PSB_PGETBL_ENABLED 0x00000001
+#define PSB_SGX_2D_SLAVE_PORT 0x4000
+#define PSB_LPC_GBA 0x44
+
+/* TODO: To get rid of */
+#define PSB_TT_PRIV0_LIMIT (256*1024*1024)
+#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
+
+/* SGX side MMU definitions (these can probably go) */
+
+/* Flags for external memory type field */
+#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */
+#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */
+#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */
+
+/* PTE's and PDE's */
+#define PSB_PDE_MASK 0x003FFFFF
+#define PSB_PDE_SHIFT 22
+#define PSB_PTE_SHIFT 12
+
+/* Cache control */
+#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */
+#define PSB_PTE_WO 0x0002 /* Write only */
+#define PSB_PTE_RO 0x0004 /* Read only */
+#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */
+
+/* VDC registers and bits */
+#define PSB_MSVDX_CLOCKGATING 0x2064
+#define PSB_TOPAZ_CLOCKGATING 0x2068
+#define PSB_HWSTAM 0x2098
+#define PSB_INSTPM 0x20C0
+#define PSB_INT_IDENTITY_R 0x20A4
+#define _PSB_IRQ_ASLE (1<<0)
+#define _MDFLD_PIPEC_EVENT_FLAG (1<<2)
+#define _MDFLD_PIPEC_VBLANK_FLAG (1<<3)
+#define _PSB_DPST_PIPEB_FLAG (1<<4)
+#define _MDFLD_PIPEB_EVENT_FLAG (1<<4)
+#define _PSB_VSYNC_PIPEB_FLAG (1<<5)
+#define _PSB_DPST_PIPEA_FLAG (1<<6)
+#define _PSB_PIPEA_EVENT_FLAG (1<<6)
+#define _PSB_VSYNC_PIPEA_FLAG (1<<7)
+#define _MDFLD_MIPIA_FLAG (1<<16)
+#define _MDFLD_MIPIC_FLAG (1<<17)
+#define _PSB_IRQ_DISP_HOTSYNC (1<<17)
+#define _PSB_IRQ_SGX_FLAG (1<<18)
+#define _PSB_IRQ_MSVDX_FLAG (1<<19)
+#define _LNC_IRQ_TOPAZ_FLAG (1<<20)
+
+#define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \
+ _PSB_VSYNC_PIPEB_FLAG)
+
+/* This flag includes all the display IRQ bits excepts the vblank irqs. */
+#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
+ _MDFLD_PIPEB_EVENT_FLAG | \
+ _PSB_PIPEA_EVENT_FLAG | \
+ _PSB_VSYNC_PIPEA_FLAG | \
+ _MDFLD_MIPIA_FLAG | \
+ _MDFLD_MIPIC_FLAG)
+#define PSB_INT_IDENTITY_R 0x20A4
+#define PSB_INT_MASK_R 0x20A8
+#define PSB_INT_ENABLE_R 0x20A0
+
+#define _PSB_MMU_ER_MASK 0x0001FF00
+#define _PSB_MMU_ER_HOST (1 << 16)
+#define GPIOA 0x5010
+#define GPIOB 0x5014
+#define GPIOC 0x5018
+#define GPIOD 0x501c
+#define GPIOE 0x5020
+#define GPIOF 0x5024
+#define GPIOG 0x5028
+#define GPIOH 0x502c
+#define GPIO_CLOCK_DIR_MASK (1 << 0)
+#define GPIO_CLOCK_DIR_IN (0 << 1)
+#define GPIO_CLOCK_DIR_OUT (1 << 1)
+#define GPIO_CLOCK_VAL_MASK (1 << 2)
+#define GPIO_CLOCK_VAL_OUT (1 << 3)
+#define GPIO_CLOCK_VAL_IN (1 << 4)
+#define GPIO_CLOCK_PULLUP_DISABLE (1 << 5)
+#define GPIO_DATA_DIR_MASK (1 << 8)
+#define GPIO_DATA_DIR_IN (0 << 9)
+#define GPIO_DATA_DIR_OUT (1 << 9)
+#define GPIO_DATA_VAL_MASK (1 << 10)
+#define GPIO_DATA_VAL_OUT (1 << 11)
+#define GPIO_DATA_VAL_IN (1 << 12)
+#define GPIO_DATA_PULLUP_DISABLE (1 << 13)
+
+#define VCLK_DIVISOR_VGA0 0x6000
+#define VCLK_DIVISOR_VGA1 0x6004
+#define VCLK_POST_DIV 0x6010
+
+#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
+#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
+#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
+#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
+#define PSB_COMM_USER_IRQ (1024 >> 2)
+#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
+#define PSB_COMM_FW (2048 >> 2)
+
+#define PSB_UIRQ_VISTEST 1
+#define PSB_UIRQ_OOM_REPLY 2
+#define PSB_UIRQ_FIRE_TA_REPLY 3
+#define PSB_UIRQ_FIRE_RASTER_REPLY 4
+
+#define PSB_2D_SIZE (256*1024*1024)
+#define PSB_MAX_RELOC_PAGES 1024
+
+#define PSB_LOW_REG_OFFS 0x0204
+#define PSB_HIGH_REG_OFFS 0x0600
+
+#define PSB_NUM_VBLANKS 2
+
+
+#define PSB_2D_SIZE (256*1024*1024)
+#define PSB_MAX_RELOC_PAGES 1024
+
+#define PSB_LOW_REG_OFFS 0x0204
+#define PSB_HIGH_REG_OFFS 0x0600
+
+#define PSB_NUM_VBLANKS 2
+#define PSB_WATCHDOG_DELAY (HZ * 2)
+#define PSB_LID_DELAY (HZ / 10)
+
+#define MDFLD_PNW_B0 0x04
+#define MDFLD_PNW_C0 0x08
+
+#define MDFLD_DSR_2D_3D_0 (1 << 0)
+#define MDFLD_DSR_2D_3D_2 (1 << 1)
+#define MDFLD_DSR_CURSOR_0 (1 << 2)
+#define MDFLD_DSR_CURSOR_2 (1 << 3)
+#define MDFLD_DSR_OVERLAY_0 (1 << 4)
+#define MDFLD_DSR_OVERLAY_2 (1 << 5)
+#define MDFLD_DSR_MIPI_CONTROL (1 << 6)
+#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
+#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
+#define MDFLD_DSR_2D_3D (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
+
+#define MDFLD_DSR_RR 45
+#define MDFLD_DPU_ENABLE (1 << 31)
+#define MDFLD_DSR_FULLSCREEN (1 << 30)
+#define MDFLD_DSR_DELAY (HZ / MDFLD_DSR_RR)
+
+#define PSB_PWR_STATE_ON 1
+#define PSB_PWR_STATE_OFF 2
+
+#define PSB_PMPOLICY_NOPM 0
+#define PSB_PMPOLICY_CLOCKGATING 1
+#define PSB_PMPOLICY_POWERDOWN 2
+
+#define PSB_PMSTATE_POWERUP 0
+#define PSB_PMSTATE_CLOCKGATED 1
+#define PSB_PMSTATE_POWERDOWN 2
+#define PSB_PCIx_MSI_ADDR_LOC 0x94
+#define PSB_PCIx_MSI_DATA_LOC 0x98
+
+/* Medfield crystal settings */
+#define KSEL_CRYSTAL_19 1
+#define KSEL_BYPASS_19 5
+#define KSEL_BYPASS_25 6
+#define KSEL_BYPASS_83_100 7
+
+struct opregion_header;
+struct opregion_acpi;
+struct opregion_swsci;
+struct opregion_asle;
+
+struct psb_intel_opregion {
+ struct opregion_header *header;
+ struct opregion_acpi *acpi;
+ struct opregion_swsci *swsci;
+ struct opregion_asle *asle;
+ void *vbt;
+ u32 __iomem *lid_state;
+ struct work_struct asle_work;
+};
+
+struct sdvo_device_mapping {
+ u8 initialized;
+ u8 dvo_port;
+ u8 slave_addr;
+ u8 dvo_wiring;
+ u8 i2c_pin;
+ u8 i2c_speed;
+ u8 ddc_pin;
+};
+
+struct intel_gmbus {
+ struct i2c_adapter adapter;
+ struct i2c_adapter *force_bit;
+ u32 reg0;
+};
+
+/* Register offset maps */
+struct psb_offset {
+ u32 fp0;
+ u32 fp1;
+ u32 cntr;
+ u32 conf;
+ u32 src;
+ u32 dpll;
+ u32 dpll_md;
+ u32 htotal;
+ u32 hblank;
+ u32 hsync;
+ u32 vtotal;
+ u32 vblank;
+ u32 vsync;
+ u32 stride;
+ u32 size;
+ u32 pos;
+ u32 surf;
+ u32 addr;
+ u32 base;
+ u32 status;
+ u32 linoff;
+ u32 tileoff;
+ u32 palette;
+};
+
+/*
+ * Register save state. This is used to hold the context when the
+ * device is powered off. In the case of Oaktrail this can (but does not
+ * yet) include screen blank. Operations occuring during the save
+ * update the register cache instead.
+ */
+
+/* Common status for pipes */
+struct psb_pipe {
+ u32 fp0;
+ u32 fp1;
+ u32 cntr;
+ u32 conf;
+ u32 src;
+ u32 dpll;
+ u32 dpll_md;
+ u32 htotal;
+ u32 hblank;
+ u32 hsync;
+ u32 vtotal;
+ u32 vblank;
+ u32 vsync;
+ u32 stride;
+ u32 size;
+ u32 pos;
+ u32 base;
+ u32 surf;
+ u32 addr;
+ u32 status;
+ u32 linoff;
+ u32 tileoff;
+ u32 palette[256];
+};
+
+struct psb_state {
+ uint32_t saveVCLK_DIVISOR_VGA0;
+ uint32_t saveVCLK_DIVISOR_VGA1;
+ uint32_t saveVCLK_POST_DIV;
+ uint32_t saveVGACNTRL;
+ uint32_t saveADPA;
+ uint32_t saveLVDS;
+ uint32_t saveDVOA;
+ uint32_t saveDVOB;
+ uint32_t saveDVOC;
+ uint32_t savePP_ON;
+ uint32_t savePP_OFF;
+ uint32_t savePP_CONTROL;
+ uint32_t savePP_CYCLE;
+ uint32_t savePFIT_CONTROL;
+ uint32_t saveCLOCKGATING;
+ uint32_t saveDSPARB;
+ uint32_t savePFIT_AUTO_RATIOS;
+ uint32_t savePFIT_PGM_RATIOS;
+ uint32_t savePP_ON_DELAYS;
+ uint32_t savePP_OFF_DELAYS;
+ uint32_t savePP_DIVISOR;
+ uint32_t saveBCLRPAT_A;
+ uint32_t saveBCLRPAT_B;
+ uint32_t savePERF_MODE;
+ uint32_t saveDSPFW1;
+ uint32_t saveDSPFW2;
+ uint32_t saveDSPFW3;
+ uint32_t saveDSPFW4;
+ uint32_t saveDSPFW5;
+ uint32_t saveDSPFW6;
+ uint32_t saveCHICKENBIT;
+ uint32_t saveDSPACURSOR_CTRL;
+ uint32_t saveDSPBCURSOR_CTRL;
+ uint32_t saveDSPACURSOR_BASE;
+ uint32_t saveDSPBCURSOR_BASE;
+ uint32_t saveDSPACURSOR_POS;
+ uint32_t saveDSPBCURSOR_POS;
+ uint32_t saveOV_OVADD;
+ uint32_t saveOV_OGAMC0;
+ uint32_t saveOV_OGAMC1;
+ uint32_t saveOV_OGAMC2;
+ uint32_t saveOV_OGAMC3;
+ uint32_t saveOV_OGAMC4;
+ uint32_t saveOV_OGAMC5;
+ uint32_t saveOVC_OVADD;
+ uint32_t saveOVC_OGAMC0;
+ uint32_t saveOVC_OGAMC1;
+ uint32_t saveOVC_OGAMC2;
+ uint32_t saveOVC_OGAMC3;
+ uint32_t saveOVC_OGAMC4;
+ uint32_t saveOVC_OGAMC5;
+
+ /* DPST register save */
+ uint32_t saveHISTOGRAM_INT_CONTROL_REG;
+ uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
+ uint32_t savePWM_CONTROL_LOGIC;
+};
+
+struct medfield_state {
+ uint32_t saveMIPI;
+ uint32_t saveMIPI_C;
+
+ uint32_t savePFIT_CONTROL;
+ uint32_t savePFIT_PGM_RATIOS;
+ uint32_t saveHDMIPHYMISCCTL;
+ uint32_t saveHDMIB_CONTROL;
+};
+
+struct cdv_state {
+ uint32_t saveDSPCLK_GATE_D;
+ uint32_t saveRAMCLK_GATE_D;
+ uint32_t saveDSPARB;
+ uint32_t saveDSPFW[6];
+ uint32_t saveADPA;
+ uint32_t savePP_CONTROL;
+ uint32_t savePFIT_PGM_RATIOS;
+ uint32_t saveLVDS;
+ uint32_t savePFIT_CONTROL;
+ uint32_t savePP_ON_DELAYS;
+ uint32_t savePP_OFF_DELAYS;
+ uint32_t savePP_CYCLE;
+ uint32_t saveVGACNTRL;
+ uint32_t saveIER;
+ uint32_t saveIMR;
+ u8 saveLBB;
+};
+
+struct psb_save_area {
+ struct psb_pipe pipe[3];
+ uint32_t saveBSM;
+ uint32_t saveVBT;
+ union {
+ struct psb_state psb;
+ struct medfield_state mdfld;
+ struct cdv_state cdv;
+ };
+ uint32_t saveBLC_PWM_CTL2;
+ uint32_t saveBLC_PWM_CTL;
+};
+
+struct psb_ops;
+
+#define PSB_NUM_PIPE 3
+
+struct drm_psb_private {
+ struct drm_device *dev;
+ struct pci_dev *aux_pdev; /* Currently only used by mrst */
+ struct pci_dev *lpc_pdev; /* Currently only used by mrst */
+ const struct psb_ops *ops;
+ const struct psb_offset *regmap;
+
+ struct child_device_config *child_dev;
+ int child_dev_num;
+
+ struct psb_gtt gtt;
+
+ /* GTT Memory manager */
+ struct psb_gtt_mm *gtt_mm;
+ struct page *scratch_page;
+ u32 __iomem *gtt_map;
+ uint32_t stolen_base;
+ u8 __iomem *vram_addr;
+ unsigned long vram_stolen_size;
+ int gtt_initialized;
+ u16 gmch_ctrl; /* Saved GTT setup */
+ u32 pge_ctl;
+
+ struct mutex gtt_mutex;
+ struct resource *gtt_mem; /* Our PCI resource */
+
+ struct psb_mmu_driver *mmu;
+ struct psb_mmu_pd *pf_pd;
+
+ /* Register base */
+ uint8_t __iomem *sgx_reg;
+ uint8_t __iomem *vdc_reg;
+ uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
+ uint16_t lpc_gpio_base;
+ uint32_t gatt_free_offset;
+
+ /* Fencing / irq */
+ uint32_t vdc_irq_mask;
+ uint32_t pipestat[PSB_NUM_PIPE];
+
+ spinlock_t irqmask_lock;
+
+ /* Power */
+ bool suspended;
+ bool display_power;
+ int display_count;
+
+ /* Modesetting */
+ struct psb_intel_mode_device mode_dev;
+ bool modeset; /* true if we have done the mode_device setup */
+
+ struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
+ struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
+ uint32_t num_pipe;
+
+ /* OSPM info (Power management base) (TODO: can go ?) */
+ uint32_t ospm_base;
+
+ /* Sizes info */
+ u32 fuse_reg_value;
+ u32 video_device_fuse;
+
+ /* PCI revision ID for B0:D2:F0 */
+ uint8_t platform_rev_id;
+
+ /* gmbus */
+ struct intel_gmbus *gmbus;
+ uint8_t __iomem *gmbus_reg;
+
+ /* Used by SDVO */
+ int crt_ddc_pin;
+ /* FIXME: The mappings should be parsed from bios but for now we can
+ pretend there are no mappings available */
+ struct sdvo_device_mapping sdvo_mappings[2];
+ u32 hotplug_supported_mask;
+ struct drm_property *broadcast_rgb_property;
+ struct drm_property *force_audio_property;
+
+ /* LVDS info */
+ int backlight_duty_cycle; /* restore backlight to this value */
+ bool panel_wants_dither;
+ struct drm_display_mode *panel_fixed_mode;
+ struct drm_display_mode *lfp_lvds_vbt_mode;
+ struct drm_display_mode *sdvo_lvds_vbt_mode;
+
+ struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
+ struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
+
+ /* Feature bits from the VBIOS */
+ unsigned int int_tv_support:1;
+ unsigned int lvds_dither:1;
+ unsigned int lvds_vbt:1;
+ unsigned int int_crt_support:1;
+ unsigned int lvds_use_ssc:1;
+ int lvds_ssc_freq;
+ bool is_lvds_on;
+ bool is_mipi_on;
+ u32 mipi_ctrl_display;
+
+ unsigned int core_freq;
+ uint32_t iLVDS_enable;
+
+ /* Runtime PM state */
+ int rpm_enabled;
+
+ /* MID specific */
+ bool has_gct;
+ struct oaktrail_gct_data gct_data;
+
+ /* Oaktrail HDMI state */
+ struct oaktrail_hdmi_dev *hdmi_priv;
+
+ /* Register state */
+ struct psb_save_area regs;
+
+ /* MSI reg save */
+ uint32_t msi_addr;
+ uint32_t msi_data;
+
+ /* Hotplug handling */
+ struct work_struct hotplug_work;
+
+ /* LID-Switch */
+ spinlock_t lid_lock;
+ struct timer_list lid_timer;
+ struct psb_intel_opregion opregion;
+ u32 lid_last_state;
+
+ /* Watchdog */
+ uint32_t apm_reg;
+ uint16_t apm_base;
+
+ /*
+ * Used for modifying backlight from
+ * xrandr -- consider removing and using HAL instead
+ */
+ struct backlight_device *backlight_device;
+ struct drm_property *backlight_property;
+ bool backlight_enabled;
+ int backlight_level;
+ uint32_t blc_adj1;
+ uint32_t blc_adj2;
+
+ void *fbdev;
+
+ /* 2D acceleration */
+ spinlock_t lock_2d;
+
+ /* Panel brightness */
+ int brightness;
+ int brightness_adjusted;
+
+ bool dsr_enable;
+ u32 dsr_fb_update;
+ bool dpi_panel_on[3];
+ void *dsi_configs[2];
+ u32 bpp;
+ u32 bpp2;
+
+ u32 pipeconf[3];
+ u32 dspcntr[3];
+
+ int mdfld_panel_id;
+
+ bool dplla_96mhz; /* DPLL data from the VBT */
+
+ struct {
+ int rate;
+ int lanes;
+ int preemphasis;
+ int vswing;
+
+ bool initialized;
+ bool support;
+ int bpp;
+ struct edp_power_seq pps;
+ } edp;
+ uint8_t panel_type;
+};
+
+
+/* Operations for each board type */
+struct psb_ops {
+ const char *name;
+ unsigned int accel_2d:1;
+ int pipes; /* Number of output pipes */
+ int crtcs; /* Number of CRTCs */
+ int sgx_offset; /* Base offset of SGX device */
+ int hdmi_mask; /* Mask of HDMI CRTCs */
+ int lvds_mask; /* Mask of LVDS CRTCs */
+ int sdvo_mask; /* Mask of SDVO CRTCs */
+ int cursor_needs_phys; /* If cursor base reg need physical address */
+
+ /* Sub functions */
+ struct drm_crtc_helper_funcs const *crtc_helper;
+ struct drm_crtc_funcs const *crtc_funcs;
+ const struct gma_clock_funcs *clock_funcs;
+
+ /* Setup hooks */
+ int (*chip_setup)(struct drm_device *dev);
+ void (*chip_teardown)(struct drm_device *dev);
+ /* Optional helper caller after modeset */
+ void (*errata)(struct drm_device *dev);
+
+ /* Display management hooks */
+ int (*output_init)(struct drm_device *dev);
+ int (*hotplug)(struct drm_device *dev);
+ void (*hotplug_enable)(struct drm_device *dev, bool on);
+ /* Power management hooks */
+ void (*init_pm)(struct drm_device *dev);
+ int (*save_regs)(struct drm_device *dev);
+ int (*restore_regs)(struct drm_device *dev);
+ int (*power_up)(struct drm_device *dev);
+ int (*power_down)(struct drm_device *dev);
+ void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
+ void (*disable_sr)(struct drm_device *dev);
+
+ void (*lvds_bl_power)(struct drm_device *dev, bool on);
+#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
+ /* Backlight */
+ int (*backlight_init)(struct drm_device *dev);
+#endif
+ int i2c_bus; /* I2C bus identifier for Moorestown */
+};
+
+
+
+extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
+extern int drm_pick_crtcs(struct drm_device *dev);
+
+static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
+{
+ return (struct drm_psb_private *) dev->dev_private;
+}
+
+/* psb_irq.c */
+extern irqreturn_t psb_irq_handler(int irq, void *arg);
+extern int psb_irq_enable_dpst(struct drm_device *dev);
+extern int psb_irq_disable_dpst(struct drm_device *dev);
+extern void psb_irq_preinstall(struct drm_device *dev);
+extern int psb_irq_postinstall(struct drm_device *dev);
+extern void psb_irq_uninstall(struct drm_device *dev);
+extern void psb_irq_turn_on_dpst(struct drm_device *dev);
+extern void psb_irq_turn_off_dpst(struct drm_device *dev);
+
+extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
+extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
+extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
+extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
+extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
+void
+psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
+
+void
+psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
+
+extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
+
+/* framebuffer.c */
+extern int psbfb_probed(struct drm_device *dev);
+extern int psbfb_remove(struct drm_device *dev,
+ struct drm_framebuffer *fb);
+/* accel_2d.c */
+extern void psbfb_copyarea(struct fb_info *info,
+ const struct fb_copyarea *region);
+extern int psbfb_sync(struct fb_info *info);
+extern void psb_spank(struct drm_psb_private *dev_priv);
+
+/* psb_reset.c */
+extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
+extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
+extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
+
+/* modesetting */
+extern void psb_modeset_init(struct drm_device *dev);
+extern void psb_modeset_cleanup(struct drm_device *dev);
+extern int psb_fbdev_init(struct drm_device *dev);
+
+/* backlight.c */
+int gma_backlight_init(struct drm_device *dev);
+void gma_backlight_exit(struct drm_device *dev);
+void gma_backlight_disable(struct drm_device *dev);
+void gma_backlight_enable(struct drm_device *dev);
+void gma_backlight_set(struct drm_device *dev, int v);
+
+/* oaktrail_crtc.c */
+extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
+
+/* oaktrail_lvds.c */
+extern void oaktrail_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev);
+
+/* psb_intel_display.c */
+extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
+extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
+
+/* psb_intel_lvds.c */
+extern const struct drm_connector_helper_funcs
+ psb_intel_lvds_connector_helper_funcs;
+extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
+
+/* gem.c */
+extern void psb_gem_free_object(struct drm_gem_object *obj);
+extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
+ struct drm_file *file);
+extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
+ uint32_t handle, uint64_t *offset);
+extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
+extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file);
+extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file);
+
+/* psb_device.c */
+extern const struct psb_ops psb_chip_ops;
+
+/* oaktrail_device.c */
+extern const struct psb_ops oaktrail_chip_ops;
+
+/* mdlfd_device.c */
+extern const struct psb_ops mdfld_chip_ops;
+
+/* cdv_device.c */
+extern const struct psb_ops cdv_chip_ops;
+
+/* Debug print bits setting */
+#define PSB_D_GENERAL (1 << 0)
+#define PSB_D_INIT (1 << 1)
+#define PSB_D_IRQ (1 << 2)
+#define PSB_D_ENTRY (1 << 3)
+/* debug the get H/V BP/FP count */
+#define PSB_D_HV (1 << 4)
+#define PSB_D_DBI_BF (1 << 5)
+#define PSB_D_PM (1 << 6)
+#define PSB_D_RENDER (1 << 7)
+#define PSB_D_REG (1 << 8)
+#define PSB_D_MSVDX (1 << 9)
+#define PSB_D_TOPAZ (1 << 10)
+
+extern int drm_idle_check_interval;
+
+/* Utilities */
+static inline u32 MRST_MSG_READ32(uint port, uint offset)
+{
+ int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
+ uint32_t ret_val = 0;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_read_config_dword(pci_root, 0xD4, &ret_val);
+ pci_dev_put(pci_root);
+ return ret_val;
+}
+static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
+{
+ int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ pci_write_config_dword(pci_root, 0xD4, value);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_dev_put(pci_root);
+}
+static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
+{
+ int mcr = (0x10<<24) | (port << 16) | (offset << 8);
+ uint32_t ret_val = 0;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_read_config_dword(pci_root, 0xD4, &ret_val);
+ pci_dev_put(pci_root);
+ return ret_val;
+}
+static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
+{
+ int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
+ struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
+ pci_write_config_dword(pci_root, 0xD4, value);
+ pci_write_config_dword(pci_root, 0xD0, mcr);
+ pci_dev_put(pci_root);
+}
+
+static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ return ioread32(dev_priv->vdc_reg + reg);
+}
+
+static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ return ioread32(dev_priv->aux_reg + reg);
+}
+
+#define REG_READ(reg) REGISTER_READ(dev, (reg))
+#define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg))
+
+/* Useful for post reads */
+static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
+ uint32_t reg, int aux)
+{
+ uint32_t val;
+
+ if (aux)
+ val = REG_READ_AUX(reg);
+ else
+ val = REG_READ(reg);
+
+ return val;
+}
+
+#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
+
+static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
+ uint32_t val)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ iowrite32((val), dev_priv->vdc_reg + (reg));
+}
+
+static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
+ uint32_t val)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ iowrite32((val), dev_priv->aux_reg + (reg));
+}
+
+#define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val))
+#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
+
+static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
+ uint32_t val, int aux)
+{
+ if (aux)
+ REG_WRITE_AUX(reg, val);
+ else
+ REG_WRITE(reg, val);
+}
+
+#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
+
+static inline void REGISTER_WRITE16(struct drm_device *dev,
+ uint32_t reg, uint32_t val)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ iowrite16((val), dev_priv->vdc_reg + (reg));
+}
+
+#define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val))
+
+static inline void REGISTER_WRITE8(struct drm_device *dev,
+ uint32_t reg, uint32_t val)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ iowrite8((val), dev_priv->vdc_reg + (reg));
+}
+
+#define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val))
+
+#define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs))
+#define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs))
+
+/* #define TRAP_SGX_PM_FAULT 1 */
+#ifdef TRAP_SGX_PM_FAULT
+#define PSB_RSGX32(_offs) \
+({ \
+ if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) { \
+ printk(KERN_ERR \
+ "access sgx when it's off!! (READ) %s, %d\n", \
+ __FILE__, __LINE__); \
+ melay(1000); \
+ } \
+ ioread32(dev_priv->sgx_reg + (_offs)); \
+})
+#else
+#define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs))
+#endif
+#define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs))
+
+#define MSVDX_REG_DUMP 0
+
+#define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs))
+#define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs))
+
+#endif
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
new file mode 100644
index 0000000..6659da8
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -0,0 +1,585 @@
+/*
+ * Copyright © 2006-2011 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+#include <linux/i2c.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_plane_helper.h>
+#include "framebuffer.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "gma_display.h"
+#include "power.h"
+
+#define INTEL_LIMIT_I9XX_SDVO_DAC 0
+#define INTEL_LIMIT_I9XX_LVDS 1
+
+static const struct gma_limit_t psb_intel_limits[] = {
+ { /* INTEL_LIMIT_I9XX_SDVO_DAC */
+ .dot = {.min = 20000, .max = 400000},
+ .vco = {.min = 1400000, .max = 2800000},
+ .n = {.min = 1, .max = 6},
+ .m = {.min = 70, .max = 120},
+ .m1 = {.min = 8, .max = 18},
+ .m2 = {.min = 3, .max = 7},
+ .p = {.min = 5, .max = 80},
+ .p1 = {.min = 1, .max = 8},
+ .p2 = {.dot_limit = 200000, .p2_slow = 10, .p2_fast = 5},
+ .find_pll = gma_find_best_pll,
+ },
+ { /* INTEL_LIMIT_I9XX_LVDS */
+ .dot = {.min = 20000, .max = 400000},
+ .vco = {.min = 1400000, .max = 2800000},
+ .n = {.min = 1, .max = 6},
+ .m = {.min = 70, .max = 120},
+ .m1 = {.min = 8, .max = 18},
+ .m2 = {.min = 3, .max = 7},
+ .p = {.min = 7, .max = 98},
+ .p1 = {.min = 1, .max = 8},
+ /* The single-channel range is 25-112Mhz, and dual-channel
+ * is 80-224Mhz. Prefer single channel as much as possible.
+ */
+ .p2 = {.dot_limit = 112000, .p2_slow = 14, .p2_fast = 7},
+ .find_pll = gma_find_best_pll,
+ },
+};
+
+static const struct gma_limit_t *psb_intel_limit(struct drm_crtc *crtc,
+ int refclk)
+{
+ const struct gma_limit_t *limit;
+
+ if (gma_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
+ limit = &psb_intel_limits[INTEL_LIMIT_I9XX_LVDS];
+ else
+ limit = &psb_intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
+ return limit;
+}
+
+static void psb_intel_clock(int refclk, struct gma_clock_t *clock)
+{
+ clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
+ clock->p = clock->p1 * clock->p2;
+ clock->vco = refclk * clock->m / (clock->n + 2);
+ clock->dot = clock->vco / clock->p;
+}
+
+/**
+ * Return the pipe currently connected to the panel fitter,
+ * or -1 if the panel fitter is not present or not in use
+ */
+static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
+{
+ u32 pfit_control;
+
+ pfit_control = REG_READ(PFIT_CONTROL);
+
+ /* See if the panel fitter is in use */
+ if ((pfit_control & PFIT_ENABLE) == 0)
+ return -1;
+ /* Must be on PIPE 1 for PSB */
+ return 1;
+}
+
+static int psb_intel_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ int refclk;
+ struct gma_clock_t clock;
+ u32 dpll = 0, fp = 0, dspcntr, pipeconf;
+ bool ok, is_sdvo = false;
+ bool is_lvds = false, is_tv = false;
+ struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_connector *connector;
+ const struct gma_limit_t *limit;
+
+ /* No scan out no play */
+ if (crtc->primary->fb == NULL) {
+ crtc_funcs->mode_set_base(crtc, x, y, old_fb);
+ return 0;
+ }
+
+ list_for_each_entry(connector, &mode_config->connector_list, head) {
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+
+ if (!connector->encoder
+ || connector->encoder->crtc != crtc)
+ continue;
+
+ switch (gma_encoder->type) {
+ case INTEL_OUTPUT_LVDS:
+ is_lvds = true;
+ break;
+ case INTEL_OUTPUT_SDVO:
+ is_sdvo = true;
+ break;
+ case INTEL_OUTPUT_TVOUT:
+ is_tv = true;
+ break;
+ }
+ }
+
+ refclk = 96000;
+
+ limit = gma_crtc->clock_funcs->limit(crtc, refclk);
+
+ ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk,
+ &clock);
+ if (!ok) {
+ DRM_ERROR("Couldn't find PLL settings for mode! target: %d, actual: %d",
+ adjusted_mode->clock, clock.dot);
+ return 0;
+ }
+
+ fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
+
+ dpll = DPLL_VGA_MODE_DIS;
+ if (is_lvds) {
+ dpll |= DPLLB_MODE_LVDS;
+ dpll |= DPLL_DVO_HIGH_SPEED;
+ } else
+ dpll |= DPLLB_MODE_DAC_SERIAL;
+ if (is_sdvo) {
+ int sdvo_pixel_multiply =
+ adjusted_mode->clock / mode->clock;
+ dpll |= DPLL_DVO_HIGH_SPEED;
+ dpll |=
+ (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
+ }
+
+ /* compute bitmask from p1 value */
+ dpll |= (1 << (clock.p1 - 1)) << 16;
+ switch (clock.p2) {
+ case 5:
+ dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
+ break;
+ case 7:
+ dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
+ break;
+ case 10:
+ dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
+ break;
+ case 14:
+ dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
+ break;
+ }
+
+ if (is_tv) {
+ /* XXX: just matching BIOS for now */
+/* dpll |= PLL_REF_INPUT_TVCLKINBC; */
+ dpll |= 3;
+ }
+ dpll |= PLL_REF_INPUT_DREFCLK;
+
+ /* setup pipeconf */
+ pipeconf = REG_READ(map->conf);
+
+ /* Set up the display plane register */
+ dspcntr = DISPPLANE_GAMMA_ENABLE;
+
+ if (pipe == 0)
+ dspcntr |= DISPPLANE_SEL_PIPE_A;
+ else
+ dspcntr |= DISPPLANE_SEL_PIPE_B;
+
+ dspcntr |= DISPLAY_PLANE_ENABLE;
+ pipeconf |= PIPEACONF_ENABLE;
+ dpll |= DPLL_VCO_ENABLE;
+
+
+ /* Disable the panel fitter if it was on our pipe */
+ if (psb_intel_panel_fitter_pipe(dev) == pipe)
+ REG_WRITE(PFIT_CONTROL, 0);
+
+ drm_mode_debug_printmodeline(mode);
+
+ if (dpll & DPLL_VCO_ENABLE) {
+ REG_WRITE(map->fp0, fp);
+ REG_WRITE(map->dpll, dpll & ~DPLL_VCO_ENABLE);
+ REG_READ(map->dpll);
+ udelay(150);
+ }
+
+ /* The LVDS pin pair needs to be on before the DPLLs are enabled.
+ * This is an exception to the general rule that mode_set doesn't turn
+ * things on.
+ */
+ if (is_lvds) {
+ u32 lvds = REG_READ(LVDS);
+
+ lvds &= ~LVDS_PIPEB_SELECT;
+ if (pipe == 1)
+ lvds |= LVDS_PIPEB_SELECT;
+
+ lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
+ /* Set the B0-B3 data pairs corresponding to
+ * whether we're going to
+ * set the DPLLs for dual-channel mode or not.
+ */
+ lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
+ if (clock.p2 == 7)
+ lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
+
+ /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
+ * appropriately here, but we need to look more
+ * thoroughly into how panels behave in the two modes.
+ */
+
+ REG_WRITE(LVDS, lvds);
+ REG_READ(LVDS);
+ }
+
+ REG_WRITE(map->fp0, fp);
+ REG_WRITE(map->dpll, dpll);
+ REG_READ(map->dpll);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ /* write it again -- the BIOS does, after all */
+ REG_WRITE(map->dpll, dpll);
+
+ REG_READ(map->dpll);
+ /* Wait for the clocks to stabilize. */
+ udelay(150);
+
+ REG_WRITE(map->htotal, (adjusted_mode->crtc_hdisplay - 1) |
+ ((adjusted_mode->crtc_htotal - 1) << 16));
+ REG_WRITE(map->hblank, (adjusted_mode->crtc_hblank_start - 1) |
+ ((adjusted_mode->crtc_hblank_end - 1) << 16));
+ REG_WRITE(map->hsync, (adjusted_mode->crtc_hsync_start - 1) |
+ ((adjusted_mode->crtc_hsync_end - 1) << 16));
+ REG_WRITE(map->vtotal, (adjusted_mode->crtc_vdisplay - 1) |
+ ((adjusted_mode->crtc_vtotal - 1) << 16));
+ REG_WRITE(map->vblank, (adjusted_mode->crtc_vblank_start - 1) |
+ ((adjusted_mode->crtc_vblank_end - 1) << 16));
+ REG_WRITE(map->vsync, (adjusted_mode->crtc_vsync_start - 1) |
+ ((adjusted_mode->crtc_vsync_end - 1) << 16));
+ /* pipesrc and dspsize control the size that is scaled from,
+ * which should always be the user's requested size.
+ */
+ REG_WRITE(map->size,
+ ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+ REG_WRITE(map->pos, 0);
+ REG_WRITE(map->src,
+ ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+ REG_WRITE(map->conf, pipeconf);
+ REG_READ(map->conf);
+
+ gma_wait_for_vblank(dev);
+
+ REG_WRITE(map->cntr, dspcntr);
+
+ /* Flush the plane changes */
+ crtc_funcs->mode_set_base(crtc, x, y, old_fb);
+
+ gma_wait_for_vblank(dev);
+
+ return 0;
+}
+
+/* Returns the clock of the currently programmed mode of the given pipe. */
+static int psb_intel_crtc_clock_get(struct drm_device *dev,
+ struct drm_crtc *crtc)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ int pipe = gma_crtc->pipe;
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+ u32 dpll;
+ u32 fp;
+ struct gma_clock_t clock;
+ bool is_lvds;
+ struct psb_pipe *p = &dev_priv->regs.pipe[pipe];
+
+ if (gma_power_begin(dev, false)) {
+ dpll = REG_READ(map->dpll);
+ if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
+ fp = REG_READ(map->fp0);
+ else
+ fp = REG_READ(map->fp1);
+ is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
+ gma_power_end(dev);
+ } else {
+ dpll = p->dpll;
+
+ if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
+ fp = p->fp0;
+ else
+ fp = p->fp1;
+
+ is_lvds = (pipe == 1) && (dev_priv->regs.psb.saveLVDS &
+ LVDS_PORT_EN);
+ }
+
+ clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
+ clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
+ clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
+
+ if (is_lvds) {
+ clock.p1 =
+ ffs((dpll &
+ DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT);
+ clock.p2 = 14;
+
+ if ((dpll & PLL_REF_INPUT_MASK) ==
+ PLLB_REF_INPUT_SPREADSPECTRUMIN) {
+ /* XXX: might not be 66MHz */
+ psb_intel_clock(66000, &clock);
+ } else
+ psb_intel_clock(48000, &clock);
+ } else {
+ if (dpll & PLL_P1_DIVIDE_BY_TWO)
+ clock.p1 = 2;
+ else {
+ clock.p1 =
+ ((dpll &
+ DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
+ }
+ if (dpll & PLL_P2_DIVIDE_BY_4)
+ clock.p2 = 4;
+ else
+ clock.p2 = 2;
+
+ psb_intel_clock(48000, &clock);
+ }
+
+ /* XXX: It would be nice to validate the clocks, but we can't reuse
+ * i830PllIsValid() because it relies on the xf86_config connector
+ * configuration being accurate, which it isn't necessarily.
+ */
+
+ return clock.dot;
+}
+
+/** Returns the currently programmed mode of the given pipe. */
+struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
+ struct drm_crtc *crtc)
+{
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ int pipe = gma_crtc->pipe;
+ struct drm_display_mode *mode;
+ int htot;
+ int hsync;
+ int vtot;
+ int vsync;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_pipe *p = &dev_priv->regs.pipe[pipe];
+ const struct psb_offset *map = &dev_priv->regmap[pipe];
+
+ if (gma_power_begin(dev, false)) {
+ htot = REG_READ(map->htotal);
+ hsync = REG_READ(map->hsync);
+ vtot = REG_READ(map->vtotal);
+ vsync = REG_READ(map->vsync);
+ gma_power_end(dev);
+ } else {
+ htot = p->htotal;
+ hsync = p->hsync;
+ vtot = p->vtotal;
+ vsync = p->vsync;
+ }
+
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return NULL;
+
+ mode->clock = psb_intel_crtc_clock_get(dev, crtc);
+ mode->hdisplay = (htot & 0xffff) + 1;
+ mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
+ mode->hsync_start = (hsync & 0xffff) + 1;
+ mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
+ mode->vdisplay = (vtot & 0xffff) + 1;
+ mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
+ mode->vsync_start = (vsync & 0xffff) + 1;
+ mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
+
+ drm_mode_set_name(mode);
+ drm_mode_set_crtcinfo(mode, 0);
+
+ return mode;
+}
+
+const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
+ .dpms = gma_crtc_dpms,
+ .mode_fixup = gma_crtc_mode_fixup,
+ .mode_set = psb_intel_crtc_mode_set,
+ .mode_set_base = gma_pipe_set_base,
+ .prepare = gma_crtc_prepare,
+ .commit = gma_crtc_commit,
+ .disable = gma_crtc_disable,
+};
+
+const struct drm_crtc_funcs psb_intel_crtc_funcs = {
+ .save = gma_crtc_save,
+ .restore = gma_crtc_restore,
+ .cursor_set = gma_crtc_cursor_set,
+ .cursor_move = gma_crtc_cursor_move,
+ .gamma_set = gma_crtc_gamma_set,
+ .set_config = gma_crtc_set_config,
+ .destroy = gma_crtc_destroy,
+};
+
+const struct gma_clock_funcs psb_clock_funcs = {
+ .clock = psb_intel_clock,
+ .limit = psb_intel_limit,
+ .pll_is_valid = gma_pll_is_valid,
+};
+
+/*
+ * Set the default value of cursor control and base register
+ * to zero. This is a workaround for h/w defect on Oaktrail
+ */
+static void psb_intel_cursor_init(struct drm_device *dev,
+ struct gma_crtc *gma_crtc)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 control[3] = { CURACNTR, CURBCNTR, CURCCNTR };
+ u32 base[3] = { CURABASE, CURBBASE, CURCBASE };
+ struct gtt_range *cursor_gt;
+
+ if (dev_priv->ops->cursor_needs_phys) {
+ /* Allocate 4 pages of stolen mem for a hardware cursor. That
+ * is enough for the 64 x 64 ARGB cursors we support.
+ */
+ cursor_gt = psb_gtt_alloc_range(dev, 4 * PAGE_SIZE, "cursor", 1,
+ PAGE_SIZE);
+ if (!cursor_gt) {
+ gma_crtc->cursor_gt = NULL;
+ goto out;
+ }
+ gma_crtc->cursor_gt = cursor_gt;
+ gma_crtc->cursor_addr = dev_priv->stolen_base +
+ cursor_gt->offset;
+ } else {
+ gma_crtc->cursor_gt = NULL;
+ }
+
+out:
+ REG_WRITE(control[gma_crtc->pipe], 0);
+ REG_WRITE(base[gma_crtc->pipe], 0);
+}
+
+void psb_intel_crtc_init(struct drm_device *dev, int pipe,
+ struct psb_intel_mode_device *mode_dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_crtc *gma_crtc;
+ int i;
+ uint16_t *r_base, *g_base, *b_base;
+
+ /* We allocate a extra array of drm_connector pointers
+ * for fbdev after the crtc */
+ gma_crtc = kzalloc(sizeof(struct gma_crtc) +
+ (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)),
+ GFP_KERNEL);
+ if (gma_crtc == NULL)
+ return;
+
+ gma_crtc->crtc_state =
+ kzalloc(sizeof(struct psb_intel_crtc_state), GFP_KERNEL);
+ if (!gma_crtc->crtc_state) {
+ dev_err(dev->dev, "Crtc state error: No memory\n");
+ kfree(gma_crtc);
+ return;
+ }
+
+ /* Set the CRTC operations from the chip specific data */
+ drm_crtc_init(dev, &gma_crtc->base, dev_priv->ops->crtc_funcs);
+
+ /* Set the CRTC clock functions from chip specific data */
+ gma_crtc->clock_funcs = dev_priv->ops->clock_funcs;
+
+ drm_mode_crtc_set_gamma_size(&gma_crtc->base, 256);
+ gma_crtc->pipe = pipe;
+ gma_crtc->plane = pipe;
+
+ r_base = gma_crtc->base.gamma_store;
+ g_base = r_base + 256;
+ b_base = g_base + 256;
+ for (i = 0; i < 256; i++) {
+ gma_crtc->lut_r[i] = i;
+ gma_crtc->lut_g[i] = i;
+ gma_crtc->lut_b[i] = i;
+ r_base[i] = i << 8;
+ g_base[i] = i << 8;
+ b_base[i] = i << 8;
+
+ gma_crtc->lut_adj[i] = 0;
+ }
+
+ gma_crtc->mode_dev = mode_dev;
+ gma_crtc->cursor_addr = 0;
+
+ drm_crtc_helper_add(&gma_crtc->base,
+ dev_priv->ops->crtc_helper);
+
+ /* Setup the array of drm_connector pointer array */
+ gma_crtc->mode_set.crtc = &gma_crtc->base;
+ BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
+ dev_priv->plane_to_crtc_mapping[gma_crtc->plane] != NULL);
+ dev_priv->plane_to_crtc_mapping[gma_crtc->plane] = &gma_crtc->base;
+ dev_priv->pipe_to_crtc_mapping[gma_crtc->pipe] = &gma_crtc->base;
+ gma_crtc->mode_set.connectors = (struct drm_connector **)(gma_crtc + 1);
+ gma_crtc->mode_set.num_connectors = 0;
+ psb_intel_cursor_init(dev, gma_crtc);
+
+ /* Set to true so that the pipe is forced off on initial config. */
+ gma_crtc->active = true;
+}
+
+struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
+{
+ struct drm_crtc *crtc = NULL;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ if (gma_crtc->pipe == pipe)
+ break;
+ }
+ return crtc;
+}
+
+int gma_connector_clones(struct drm_device *dev, int type_mask)
+{
+ int index_mask = 0;
+ struct drm_connector *connector;
+ int entry = 0;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list,
+ head) {
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ if (type_mask & (1 << gma_encoder->type))
+ index_mask |= (1 << entry);
+ entry++;
+ }
+ return index_mask;
+}
diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h
new file mode 100644
index 0000000..860dd21
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_drv.h
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2009-2011, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef __INTEL_DRV_H__
+#define __INTEL_DRV_H__
+
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <linux/gpio.h>
+#include "gma_display.h"
+
+/*
+ * Display related stuff
+ */
+
+/* maximum connectors per crtcs in the mode set */
+#define INTELFB_CONN_LIMIT 4
+
+/* Intel Pipe Clone Bit */
+#define INTEL_HDMIB_CLONE_BIT 1
+#define INTEL_HDMIC_CLONE_BIT 2
+#define INTEL_HDMID_CLONE_BIT 3
+#define INTEL_HDMIE_CLONE_BIT 4
+#define INTEL_HDMIF_CLONE_BIT 5
+#define INTEL_SDVO_NON_TV_CLONE_BIT 6
+#define INTEL_SDVO_TV_CLONE_BIT 7
+#define INTEL_SDVO_LVDS_CLONE_BIT 8
+#define INTEL_ANALOG_CLONE_BIT 9
+#define INTEL_TV_CLONE_BIT 10
+#define INTEL_DP_B_CLONE_BIT 11
+#define INTEL_DP_C_CLONE_BIT 12
+#define INTEL_DP_D_CLONE_BIT 13
+#define INTEL_LVDS_CLONE_BIT 14
+#define INTEL_DVO_TMDS_CLONE_BIT 15
+#define INTEL_DVO_LVDS_CLONE_BIT 16
+#define INTEL_EDP_CLONE_BIT 17
+
+/* these are outputs from the chip - integrated only
+ * external chips are via DVO or SDVO output */
+#define INTEL_OUTPUT_UNUSED 0
+#define INTEL_OUTPUT_ANALOG 1
+#define INTEL_OUTPUT_DVO 2
+#define INTEL_OUTPUT_SDVO 3
+#define INTEL_OUTPUT_LVDS 4
+#define INTEL_OUTPUT_TVOUT 5
+#define INTEL_OUTPUT_HDMI 6
+#define INTEL_OUTPUT_MIPI 7
+#define INTEL_OUTPUT_MIPI2 8
+#define INTEL_OUTPUT_DISPLAYPORT 9
+#define INTEL_OUTPUT_EDP 10
+
+#define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0)
+#define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT)
+
+static inline void
+psb_intel_mode_set_pixel_multiplier(struct drm_display_mode *mode,
+ int multiplier)
+{
+ mode->clock *= multiplier;
+ mode->private_flags |= multiplier;
+}
+
+static inline int
+psb_intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode)
+{
+ return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK)
+ >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT;
+}
+
+
+/*
+ * Hold information useally put on the device driver privates here,
+ * since it needs to be shared across multiple of devices drivers privates.
+ */
+struct psb_intel_mode_device {
+
+ /*
+ * Abstracted memory manager operations
+ */
+ size_t(*bo_offset) (struct drm_device *dev, void *bo);
+
+ /*
+ * LVDS info
+ */
+ int backlight_duty_cycle; /* restore backlight to this value */
+ bool panel_wants_dither;
+ struct drm_display_mode *panel_fixed_mode;
+ struct drm_display_mode *panel_fixed_mode2;
+ struct drm_display_mode *vbt_mode; /* if any */
+
+ uint32_t saveBLC_PWM_CTL;
+};
+
+struct psb_intel_i2c_chan {
+ /* for getting at dev. private (mmio etc.) */
+ struct drm_device *drm_dev;
+ u32 reg; /* GPIO reg */
+ struct i2c_adapter adapter;
+ struct i2c_algo_bit_data algo;
+ u8 slave_addr;
+};
+
+struct gma_encoder {
+ struct drm_encoder base;
+ int type;
+ bool needs_tv_clock;
+ void (*hot_plug)(struct gma_encoder *);
+ int crtc_mask;
+ int clone_mask;
+ u32 ddi_select; /* Channel info */
+#define DDI0_SELECT 0x01
+#define DDI1_SELECT 0x02
+#define DP_MASK 0x8000
+#define DDI_MASK 0x03
+ void *dev_priv; /* For sdvo_priv, lvds_priv, etc... */
+
+ /* FIXME: Either make SDVO and LVDS store it's i2c here or give CDV it's
+ own set of output privates */
+ struct psb_intel_i2c_chan *i2c_bus;
+ struct psb_intel_i2c_chan *ddc_bus;
+};
+
+struct gma_connector {
+ struct drm_connector base;
+ struct gma_encoder *encoder;
+};
+
+struct psb_intel_crtc_state {
+ uint32_t saveDSPCNTR;
+ uint32_t savePIPECONF;
+ uint32_t savePIPESRC;
+ uint32_t saveDPLL;
+ uint32_t saveFP0;
+ uint32_t saveFP1;
+ uint32_t saveHTOTAL;
+ uint32_t saveHBLANK;
+ uint32_t saveHSYNC;
+ uint32_t saveVTOTAL;
+ uint32_t saveVBLANK;
+ uint32_t saveVSYNC;
+ uint32_t saveDSPSTRIDE;
+ uint32_t saveDSPSIZE;
+ uint32_t saveDSPPOS;
+ uint32_t saveDSPBASE;
+ uint32_t savePalette[256];
+};
+
+struct gma_crtc {
+ struct drm_crtc base;
+ int pipe;
+ int plane;
+ uint32_t cursor_addr;
+ struct gtt_range *cursor_gt;
+ u8 lut_r[256], lut_g[256], lut_b[256];
+ u8 lut_adj[256];
+ struct psb_intel_framebuffer *fbdev_fb;
+ /* a mode_set for fbdev users on this crtc */
+ struct drm_mode_set mode_set;
+
+ /* GEM object that holds our cursor */
+ struct drm_gem_object *cursor_obj;
+
+ struct drm_display_mode saved_mode;
+ struct drm_display_mode saved_adjusted_mode;
+
+ struct psb_intel_mode_device *mode_dev;
+
+ /*crtc mode setting flags*/
+ u32 mode_flags;
+
+ bool active;
+
+ /* Saved Crtc HW states */
+ struct psb_intel_crtc_state *crtc_state;
+
+ const struct gma_clock_funcs *clock_funcs;
+};
+
+#define to_gma_crtc(x) \
+ container_of(x, struct gma_crtc, base)
+#define to_gma_connector(x) \
+ container_of(x, struct gma_connector, base)
+#define to_gma_encoder(x) \
+ container_of(x, struct gma_encoder, base)
+#define to_psb_intel_framebuffer(x) \
+ container_of(x, struct psb_intel_framebuffer, base)
+
+struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
+ const u32 reg, const char *name);
+void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
+int psb_intel_ddc_get_modes(struct drm_connector *connector,
+ struct i2c_adapter *adapter);
+extern bool psb_intel_ddc_probe(struct i2c_adapter *adapter);
+
+extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
+ struct psb_intel_mode_device *mode_dev);
+extern void psb_intel_crt_init(struct drm_device *dev);
+extern bool psb_intel_sdvo_init(struct drm_device *dev, int output_device);
+extern void psb_intel_dvo_init(struct drm_device *dev);
+extern void psb_intel_tv_init(struct drm_device *dev);
+extern void psb_intel_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev);
+extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
+extern void oaktrail_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev);
+extern void oaktrail_wait_for_INTR_PKT_SENT(struct drm_device *dev);
+extern void oaktrail_dsi_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev);
+extern void oaktrail_lvds_i2c_init(struct drm_encoder *encoder);
+extern void mid_dsi_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev, int dsi_num);
+
+extern struct drm_encoder *gma_best_encoder(struct drm_connector *connector);
+extern void gma_connector_attach_encoder(struct gma_connector *connector,
+ struct gma_encoder *encoder);
+
+static inline struct gma_encoder *gma_attached_encoder(
+ struct drm_connector *connector)
+{
+ return to_gma_connector(connector)->encoder;
+}
+
+extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
+ struct drm_crtc *crtc);
+extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
+ int pipe);
+extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
+ int sdvoB);
+extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
+extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
+ int enable);
+extern int intelfb_probe(struct drm_device *dev);
+extern int intelfb_remove(struct drm_device *dev,
+ struct drm_framebuffer *fb);
+extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode);
+extern int psb_intel_lvds_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value);
+extern void psb_intel_lvds_destroy(struct drm_connector *connector);
+extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
+
+/* intel_gmbus.c */
+extern void gma_intel_i2c_reset(struct drm_device *dev);
+extern int gma_intel_setup_gmbus(struct drm_device *dev);
+extern void gma_intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
+extern void gma_intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
+extern void gma_intel_teardown_gmbus(struct drm_device *dev);
+
+/* DP support */
+extern void cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev, int output_reg);
+extern void cdv_intel_dp_set_m_n(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+
+extern void psb_intel_attach_force_audio_property(struct drm_connector *connector);
+extern void psb_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
+
+extern int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val);
+extern int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val);
+extern void cdv_sb_reset(struct drm_device *dev);
+
+extern void cdv_intel_attach_force_audio_property(struct drm_connector *connector);
+extern void cdv_intel_attach_broadcast_rgb_property(struct drm_connector *connector);
+
+#endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
new file mode 100644
index 0000000..61e3a09
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -0,0 +1,854 @@
+/*
+ * Copyright © 2006-2007 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Dave Airlie <airlied@linux.ie>
+ * Jesse Barnes <jesse.barnes@intel.com>
+ */
+
+#include <linux/i2c.h>
+#include <drm/drmP.h>
+
+#include "intel_bios.h"
+#include "psb_drv.h"
+#include "psb_intel_drv.h"
+#include "psb_intel_reg.h"
+#include "power.h"
+#include <linux/pm_runtime.h>
+
+/*
+ * LVDS I2C backlight control macros
+ */
+#define BRIGHTNESS_MAX_LEVEL 100
+#define BRIGHTNESS_MASK 0xFF
+#define BLC_I2C_TYPE 0x01
+#define BLC_PWM_TYPT 0x02
+
+#define BLC_POLARITY_NORMAL 0
+#define BLC_POLARITY_INVERSE 1
+
+#define PSB_BLC_MAX_PWM_REG_FREQ (0xFFFE)
+#define PSB_BLC_MIN_PWM_REG_FREQ (0x2)
+#define PSB_BLC_PWM_PRECISION_FACTOR (10)
+#define PSB_BACKLIGHT_PWM_CTL_SHIFT (16)
+#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
+
+struct psb_intel_lvds_priv {
+ /*
+ * Saved LVDO output states
+ */
+ uint32_t savePP_ON;
+ uint32_t savePP_OFF;
+ uint32_t saveLVDS;
+ uint32_t savePP_CONTROL;
+ uint32_t savePP_CYCLE;
+ uint32_t savePFIT_CONTROL;
+ uint32_t savePFIT_PGM_RATIOS;
+ uint32_t saveBLC_PWM_CTL;
+
+ struct psb_intel_i2c_chan *i2c_bus;
+ struct psb_intel_i2c_chan *ddc_bus;
+};
+
+
+/*
+ * Returns the maximum level of the backlight duty cycle field.
+ */
+static u32 psb_intel_lvds_get_max_backlight(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 ret;
+
+ if (gma_power_begin(dev, false)) {
+ ret = REG_READ(BLC_PWM_CTL);
+ gma_power_end(dev);
+ } else /* Powered off, use the saved value */
+ ret = dev_priv->regs.saveBLC_PWM_CTL;
+
+ /* Top 15bits hold the frequency mask */
+ ret = (ret & BACKLIGHT_MODULATION_FREQ_MASK) >>
+ BACKLIGHT_MODULATION_FREQ_SHIFT;
+
+ ret *= 2; /* Return a 16bit range as needed for setting */
+ if (ret == 0)
+ dev_err(dev->dev, "BL bug: Reg %08x save %08X\n",
+ REG_READ(BLC_PWM_CTL), dev_priv->regs.saveBLC_PWM_CTL);
+ return ret;
+}
+
+/*
+ * Set LVDS backlight level by I2C command
+ *
+ * FIXME: at some point we need to both track this for PM and also
+ * disable runtime pm on MRST if the brightness is nil (ie blanked)
+ */
+static int psb_lvds_i2c_set_brightness(struct drm_device *dev,
+ unsigned int level)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *)dev->dev_private;
+
+ struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
+ u8 out_buf[2];
+ unsigned int blc_i2c_brightness;
+
+ struct i2c_msg msgs[] = {
+ {
+ .addr = lvds_i2c_bus->slave_addr,
+ .flags = 0,
+ .len = 2,
+ .buf = out_buf,
+ }
+ };
+
+ blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
+ BRIGHTNESS_MASK /
+ BRIGHTNESS_MAX_LEVEL);
+
+ if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
+ blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
+
+ out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
+ out_buf[1] = (u8)blc_i2c_brightness;
+
+ if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) {
+ dev_dbg(dev->dev, "I2C set brightness.(command, value) (%d, %d)\n",
+ dev_priv->lvds_bl->brightnesscmd,
+ blc_i2c_brightness);
+ return 0;
+ }
+
+ dev_err(dev->dev, "I2C transfer error\n");
+ return -1;
+}
+
+
+static int psb_lvds_pwm_set_brightness(struct drm_device *dev, int level)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *)dev->dev_private;
+
+ u32 max_pwm_blc;
+ u32 blc_pwm_duty_cycle;
+
+ max_pwm_blc = psb_intel_lvds_get_max_backlight(dev);
+
+ /*BLC_PWM_CTL Should be initiated while backlight device init*/
+ BUG_ON(max_pwm_blc == 0);
+
+ blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
+
+ if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
+ blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
+
+ blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
+ REG_WRITE(BLC_PWM_CTL,
+ (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
+ (blc_pwm_duty_cycle));
+
+ dev_info(dev->dev, "Backlight lvds set brightness %08x\n",
+ (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
+ (blc_pwm_duty_cycle));
+
+ return 0;
+}
+
+/*
+ * Set LVDS backlight level either by I2C or PWM
+ */
+void psb_intel_lvds_set_brightness(struct drm_device *dev, int level)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ dev_dbg(dev->dev, "backlight level is %d\n", level);
+
+ if (!dev_priv->lvds_bl) {
+ dev_err(dev->dev, "NO LVDS backlight info\n");
+ return;
+ }
+
+ if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
+ psb_lvds_i2c_set_brightness(dev, level);
+ else
+ psb_lvds_pwm_set_brightness(dev, level);
+}
+
+/*
+ * Sets the backlight level.
+ *
+ * level: backlight level, from 0 to psb_intel_lvds_get_max_backlight().
+ */
+static void psb_intel_lvds_set_backlight(struct drm_device *dev, int level)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 blc_pwm_ctl;
+
+ if (gma_power_begin(dev, false)) {
+ blc_pwm_ctl = REG_READ(BLC_PWM_CTL);
+ blc_pwm_ctl &= ~BACKLIGHT_DUTY_CYCLE_MASK;
+ REG_WRITE(BLC_PWM_CTL,
+ (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
+ dev_priv->regs.saveBLC_PWM_CTL = (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT));
+ gma_power_end(dev);
+ } else {
+ blc_pwm_ctl = dev_priv->regs.saveBLC_PWM_CTL &
+ ~BACKLIGHT_DUTY_CYCLE_MASK;
+ dev_priv->regs.saveBLC_PWM_CTL = (blc_pwm_ctl |
+ (level << BACKLIGHT_DUTY_CYCLE_SHIFT));
+ }
+}
+
+/*
+ * Sets the power state for the panel.
+ */
+static void psb_intel_lvds_set_power(struct drm_device *dev, bool on)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ u32 pp_status;
+
+ if (!gma_power_begin(dev, true)) {
+ dev_err(dev->dev, "set power, chip off!\n");
+ return;
+ }
+
+ if (on) {
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
+ POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0);
+
+ psb_intel_lvds_set_backlight(dev,
+ mode_dev->backlight_duty_cycle);
+ } else {
+ psb_intel_lvds_set_backlight(dev, 0);
+
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
+ ~POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while (pp_status & PP_ON);
+ }
+
+ gma_power_end(dev);
+}
+
+static void psb_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+
+ if (mode == DRM_MODE_DPMS_ON)
+ psb_intel_lvds_set_power(dev, true);
+ else
+ psb_intel_lvds_set_power(dev, false);
+
+ /* XXX: We never power down the LVDS pairs. */
+}
+
+static void psb_intel_lvds_save(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *)dev->dev_private;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct psb_intel_lvds_priv *lvds_priv =
+ (struct psb_intel_lvds_priv *)gma_encoder->dev_priv;
+
+ lvds_priv->savePP_ON = REG_READ(LVDSPP_ON);
+ lvds_priv->savePP_OFF = REG_READ(LVDSPP_OFF);
+ lvds_priv->saveLVDS = REG_READ(LVDS);
+ lvds_priv->savePP_CONTROL = REG_READ(PP_CONTROL);
+ lvds_priv->savePP_CYCLE = REG_READ(PP_CYCLE);
+ /*lvds_priv->savePP_DIVISOR = REG_READ(PP_DIVISOR);*/
+ lvds_priv->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ lvds_priv->savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
+ lvds_priv->savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
+
+ /*TODO: move backlight_duty_cycle to psb_intel_lvds_priv*/
+ dev_priv->backlight_duty_cycle = (dev_priv->regs.saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+
+ /*
+ * If the light is off at server startup,
+ * just make it full brightness
+ */
+ if (dev_priv->backlight_duty_cycle == 0)
+ dev_priv->backlight_duty_cycle =
+ psb_intel_lvds_get_max_backlight(dev);
+
+ dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
+ lvds_priv->savePP_ON,
+ lvds_priv->savePP_OFF,
+ lvds_priv->saveLVDS,
+ lvds_priv->savePP_CONTROL,
+ lvds_priv->savePP_CYCLE,
+ lvds_priv->saveBLC_PWM_CTL);
+}
+
+static void psb_intel_lvds_restore(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ u32 pp_status;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct psb_intel_lvds_priv *lvds_priv =
+ (struct psb_intel_lvds_priv *)gma_encoder->dev_priv;
+
+ dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
+ lvds_priv->savePP_ON,
+ lvds_priv->savePP_OFF,
+ lvds_priv->saveLVDS,
+ lvds_priv->savePP_CONTROL,
+ lvds_priv->savePP_CYCLE,
+ lvds_priv->saveBLC_PWM_CTL);
+
+ REG_WRITE(BLC_PWM_CTL, lvds_priv->saveBLC_PWM_CTL);
+ REG_WRITE(PFIT_CONTROL, lvds_priv->savePFIT_CONTROL);
+ REG_WRITE(PFIT_PGM_RATIOS, lvds_priv->savePFIT_PGM_RATIOS);
+ REG_WRITE(LVDSPP_ON, lvds_priv->savePP_ON);
+ REG_WRITE(LVDSPP_OFF, lvds_priv->savePP_OFF);
+ /*REG_WRITE(PP_DIVISOR, lvds_priv->savePP_DIVISOR);*/
+ REG_WRITE(PP_CYCLE, lvds_priv->savePP_CYCLE);
+ REG_WRITE(PP_CONTROL, lvds_priv->savePP_CONTROL);
+ REG_WRITE(LVDS, lvds_priv->saveLVDS);
+
+ if (lvds_priv->savePP_CONTROL & POWER_TARGET_ON) {
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
+ POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0);
+ } else {
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
+ ~POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while (pp_status & PP_ON);
+ }
+}
+
+int psb_intel_lvds_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct drm_psb_private *dev_priv = connector->dev->dev_private;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct drm_display_mode *fixed_mode =
+ dev_priv->mode_dev.panel_fixed_mode;
+
+ if (gma_encoder->type == INTEL_OUTPUT_MIPI2)
+ fixed_mode = dev_priv->mode_dev.panel_fixed_mode2;
+
+ /* just in case */
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ /* just in case */
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ return MODE_NO_INTERLACE;
+
+ if (fixed_mode) {
+ if (mode->hdisplay > fixed_mode->hdisplay)
+ return MODE_PANEL;
+ if (mode->vdisplay > fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+ return MODE_OK;
+}
+
+bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ struct gma_crtc *gma_crtc = to_gma_crtc(encoder->crtc);
+ struct drm_encoder *tmp_encoder;
+ struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
+ struct gma_encoder *gma_encoder = to_gma_encoder(encoder);
+
+ if (gma_encoder->type == INTEL_OUTPUT_MIPI2)
+ panel_fixed_mode = mode_dev->panel_fixed_mode2;
+
+ /* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */
+ if (!IS_MRST(dev) && gma_crtc->pipe == 0) {
+ printk(KERN_ERR "Can't support LVDS on pipe A\n");
+ return false;
+ }
+ if (IS_MRST(dev) && gma_crtc->pipe != 0) {
+ printk(KERN_ERR "Must use PIPE A\n");
+ return false;
+ }
+ /* Should never happen!! */
+ list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
+ head) {
+ if (tmp_encoder != encoder
+ && tmp_encoder->crtc == encoder->crtc) {
+ printk(KERN_ERR "Can't enable LVDS and another "
+ "encoder on the same pipe\n");
+ return false;
+ }
+ }
+
+ /*
+ * If we have timings from the BIOS for the panel, put them in
+ * to the adjusted mode. The CRTC will be set up for this mode,
+ * with the panel scaling set up to source from the H/VDisplay
+ * of the original mode.
+ */
+ if (panel_fixed_mode != NULL) {
+ adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
+ adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
+ adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
+ adjusted_mode->htotal = panel_fixed_mode->htotal;
+ adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
+ adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
+ adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
+ adjusted_mode->vtotal = panel_fixed_mode->vtotal;
+ adjusted_mode->clock = panel_fixed_mode->clock;
+ drm_mode_set_crtcinfo(adjusted_mode,
+ CRTC_INTERLACE_HALVE_V);
+ }
+
+ /*
+ * XXX: It would be nice to support lower refresh rates on the
+ * panels to reduce power consumption, and perhaps match the
+ * user's requested refresh rate.
+ */
+
+ return true;
+}
+
+static void psb_intel_lvds_prepare(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+
+ psb_intel_lvds_set_power(dev, false);
+
+ gma_power_end(dev);
+}
+
+static void psb_intel_lvds_commit(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+
+ if (mode_dev->backlight_duty_cycle == 0)
+ mode_dev->backlight_duty_cycle =
+ psb_intel_lvds_get_max_backlight(dev);
+
+ psb_intel_lvds_set_power(dev, true);
+}
+
+static void psb_intel_lvds_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 pfit_control;
+
+ /*
+ * The LVDS pin pair will already have been turned on in the
+ * psb_intel_crtc_mode_set since it has a large impact on the DPLL
+ * settings.
+ */
+
+ /*
+ * Enable automatic panel scaling so that non-native modes fill the
+ * screen. Should be enabled before the pipe is enabled, according to
+ * register description and PRM.
+ */
+ if (mode->hdisplay != adjusted_mode->hdisplay ||
+ mode->vdisplay != adjusted_mode->vdisplay)
+ pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
+ HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
+ HORIZ_INTERP_BILINEAR);
+ else
+ pfit_control = 0;
+
+ if (dev_priv->lvds_dither)
+ pfit_control |= PANEL_8TO6_DITHER_ENABLE;
+
+ REG_WRITE(PFIT_CONTROL, pfit_control);
+}
+
+/*
+ * Detect the LVDS connection.
+ *
+ * This always returns CONNECTOR_STATUS_CONNECTED.
+ * This connector should only have
+ * been set up if the LVDS was actually connected anyway.
+ */
+static enum drm_connector_status psb_intel_lvds_detect(struct drm_connector
+ *connector, bool force)
+{
+ return connector_status_connected;
+}
+
+/*
+ * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
+ */
+static int psb_intel_lvds_get_modes(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct psb_intel_lvds_priv *lvds_priv = gma_encoder->dev_priv;
+ int ret = 0;
+
+ if (!IS_MRST(dev))
+ ret = psb_intel_ddc_get_modes(connector, &lvds_priv->i2c_bus->adapter);
+
+ if (ret)
+ return ret;
+
+ /* Didn't get an EDID, so
+ * Set wide sync ranges so we get all modes
+ * handed to valid_mode for checking
+ */
+ connector->display_info.min_vfreq = 0;
+ connector->display_info.max_vfreq = 200;
+ connector->display_info.min_hfreq = 0;
+ connector->display_info.max_hfreq = 200;
+
+ if (mode_dev->panel_fixed_mode != NULL) {
+ struct drm_display_mode *mode =
+ drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
+ drm_mode_probed_add(connector, mode);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * psb_intel_lvds_destroy - unregister and free LVDS structures
+ * @connector: connector to free
+ *
+ * Unregister the DDC bus for this connector then free the driver private
+ * structure.
+ */
+void psb_intel_lvds_destroy(struct drm_connector *connector)
+{
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct psb_intel_lvds_priv *lvds_priv = gma_encoder->dev_priv;
+
+ if (lvds_priv->ddc_bus)
+ psb_intel_i2c_destroy(lvds_priv->ddc_bus);
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+int psb_intel_lvds_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t value)
+{
+ struct drm_encoder *encoder = connector->encoder;
+
+ if (!encoder)
+ return -1;
+
+ if (!strcmp(property->name, "scaling mode")) {
+ struct gma_crtc *crtc = to_gma_crtc(encoder->crtc);
+ uint64_t curval;
+
+ if (!crtc)
+ goto set_prop_error;
+
+ switch (value) {
+ case DRM_MODE_SCALE_FULLSCREEN:
+ break;
+ case DRM_MODE_SCALE_NO_SCALE:
+ break;
+ case DRM_MODE_SCALE_ASPECT:
+ break;
+ default:
+ goto set_prop_error;
+ }
+
+ if (drm_object_property_get_value(&connector->base,
+ property,
+ &curval))
+ goto set_prop_error;
+
+ if (curval == value)
+ goto set_prop_done;
+
+ if (drm_object_property_set_value(&connector->base,
+ property,
+ value))
+ goto set_prop_error;
+
+ if (crtc->saved_mode.hdisplay != 0 &&
+ crtc->saved_mode.vdisplay != 0) {
+ if (!drm_crtc_helper_set_mode(encoder->crtc,
+ &crtc->saved_mode,
+ encoder->crtc->x,
+ encoder->crtc->y,
+ encoder->crtc->primary->fb))
+ goto set_prop_error;
+ }
+ } else if (!strcmp(property->name, "backlight")) {
+ if (drm_object_property_set_value(&connector->base,
+ property,
+ value))
+ goto set_prop_error;
+ else
+ gma_backlight_set(encoder->dev, value);
+ } else if (!strcmp(property->name, "DPMS")) {
+ const struct drm_encoder_helper_funcs *hfuncs
+ = encoder->helper_private;
+ hfuncs->dpms(encoder, value);
+ }
+
+set_prop_done:
+ return 0;
+set_prop_error:
+ return -1;
+}
+
+static const struct drm_encoder_helper_funcs psb_intel_lvds_helper_funcs = {
+ .dpms = psb_intel_lvds_encoder_dpms,
+ .mode_fixup = psb_intel_lvds_mode_fixup,
+ .prepare = psb_intel_lvds_prepare,
+ .mode_set = psb_intel_lvds_mode_set,
+ .commit = psb_intel_lvds_commit,
+};
+
+const struct drm_connector_helper_funcs
+ psb_intel_lvds_connector_helper_funcs = {
+ .get_modes = psb_intel_lvds_get_modes,
+ .mode_valid = psb_intel_lvds_mode_valid,
+ .best_encoder = gma_best_encoder,
+};
+
+const struct drm_connector_funcs psb_intel_lvds_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .save = psb_intel_lvds_save,
+ .restore = psb_intel_lvds_restore,
+ .detect = psb_intel_lvds_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = psb_intel_lvds_set_property,
+ .destroy = psb_intel_lvds_destroy,
+};
+
+
+static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = {
+ .destroy = psb_intel_lvds_enc_destroy,
+};
+
+
+
+/**
+ * psb_intel_lvds_init - setup LVDS connectors on this device
+ * @dev: drm device
+ *
+ * Create the connector, register the LVDS DDC bus, and try to figure out what
+ * modes we can display on the LVDS panel (if present).
+ */
+void psb_intel_lvds_init(struct drm_device *dev,
+ struct psb_intel_mode_device *mode_dev)
+{
+ struct gma_encoder *gma_encoder;
+ struct gma_connector *gma_connector;
+ struct psb_intel_lvds_priv *lvds_priv;
+ struct drm_connector *connector;
+ struct drm_encoder *encoder;
+ struct drm_display_mode *scan; /* *modes, *bios_mode; */
+ struct drm_crtc *crtc;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 lvds;
+ int pipe;
+
+ gma_encoder = kzalloc(sizeof(struct gma_encoder), GFP_KERNEL);
+ if (!gma_encoder) {
+ dev_err(dev->dev, "gma_encoder allocation error\n");
+ return;
+ }
+
+ gma_connector = kzalloc(sizeof(struct gma_connector), GFP_KERNEL);
+ if (!gma_connector) {
+ dev_err(dev->dev, "gma_connector allocation error\n");
+ goto failed_encoder;
+ }
+
+ lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL);
+ if (!lvds_priv) {
+ dev_err(dev->dev, "LVDS private allocation error\n");
+ goto failed_connector;
+ }
+
+ gma_encoder->dev_priv = lvds_priv;
+
+ connector = &gma_connector->base;
+ encoder = &gma_encoder->base;
+ drm_connector_init(dev, connector,
+ &psb_intel_lvds_connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+
+ drm_encoder_init(dev, encoder,
+ &psb_intel_lvds_enc_funcs,
+ DRM_MODE_ENCODER_LVDS);
+
+ gma_connector_attach_encoder(gma_connector, gma_encoder);
+ gma_encoder->type = INTEL_OUTPUT_LVDS;
+
+ drm_encoder_helper_add(encoder, &psb_intel_lvds_helper_funcs);
+ drm_connector_helper_add(connector,
+ &psb_intel_lvds_connector_helper_funcs);
+ connector->display_info.subpixel_order = SubPixelHorizontalRGB;
+ connector->interlace_allowed = false;
+ connector->doublescan_allowed = false;
+
+ /*Attach connector properties*/
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.scaling_mode_property,
+ DRM_MODE_SCALE_FULLSCREEN);
+ drm_object_attach_property(&connector->base,
+ dev_priv->backlight_property,
+ BRIGHTNESS_MAX_LEVEL);
+
+ /*
+ * Set up I2C bus
+ * FIXME: distroy i2c_bus when exit
+ */
+ lvds_priv->i2c_bus = psb_intel_i2c_create(dev, GPIOB, "LVDSBLC_B");
+ if (!lvds_priv->i2c_bus) {
+ dev_printk(KERN_ERR,
+ &dev->pdev->dev, "I2C bus registration failed.\n");
+ goto failed_blc_i2c;
+ }
+ lvds_priv->i2c_bus->slave_addr = 0x2C;
+ dev_priv->lvds_i2c_bus = lvds_priv->i2c_bus;
+
+ /*
+ * LVDS discovery:
+ * 1) check for EDID on DDC
+ * 2) check for VBT data
+ * 3) check to see if LVDS is already on
+ * if none of the above, no panel
+ * 4) make sure lid is open
+ * if closed, act like it's not there for now
+ */
+
+ /* Set up the DDC bus. */
+ lvds_priv->ddc_bus = psb_intel_i2c_create(dev, GPIOC, "LVDSDDC_C");
+ if (!lvds_priv->ddc_bus) {
+ dev_printk(KERN_ERR, &dev->pdev->dev,
+ "DDC bus registration " "failed.\n");
+ goto failed_ddc;
+ }
+
+ /*
+ * Attempt to get the fixed panel mode from DDC. Assume that the
+ * preferred mode is the right one.
+ */
+ mutex_lock(&dev->mode_config.mutex);
+ psb_intel_ddc_get_modes(connector, &lvds_priv->ddc_bus->adapter);
+ list_for_each_entry(scan, &connector->probed_modes, head) {
+ if (scan->type & DRM_MODE_TYPE_PREFERRED) {
+ mode_dev->panel_fixed_mode =
+ drm_mode_duplicate(dev, scan);
+ DRM_DEBUG_KMS("Using mode from DDC\n");
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+
+ /* Failed to get EDID, what about VBT? do we need this? */
+ if (dev_priv->lfp_lvds_vbt_mode) {
+ mode_dev->panel_fixed_mode =
+ drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
+
+ if (mode_dev->panel_fixed_mode) {
+ mode_dev->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ DRM_DEBUG_KMS("Using mode from VBT\n");
+ goto out;
+ }
+ }
+
+ /*
+ * If we didn't get EDID, try checking if the panel is already turned
+ * on. If so, assume that whatever is currently programmed is the
+ * correct mode.
+ */
+ lvds = REG_READ(LVDS);
+ pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
+ crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
+
+ if (crtc && (lvds & LVDS_PORT_EN)) {
+ mode_dev->panel_fixed_mode =
+ psb_intel_crtc_mode_get(dev, crtc);
+ if (mode_dev->panel_fixed_mode) {
+ mode_dev->panel_fixed_mode->type |=
+ DRM_MODE_TYPE_PREFERRED;
+ DRM_DEBUG_KMS("Using pre-programmed mode\n");
+ goto out; /* FIXME: check for quirks */
+ }
+ }
+
+ /* If we still don't have a mode after all that, give up. */
+ if (!mode_dev->panel_fixed_mode) {
+ dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
+ goto failed_find;
+ }
+
+ /*
+ * Blacklist machines with BIOSes that list an LVDS panel without
+ * actually having one.
+ */
+out:
+ mutex_unlock(&dev->mode_config.mutex);
+ drm_connector_register(connector);
+ return;
+
+failed_find:
+ mutex_unlock(&dev->mode_config.mutex);
+ if (lvds_priv->ddc_bus)
+ psb_intel_i2c_destroy(lvds_priv->ddc_bus);
+failed_ddc:
+ if (lvds_priv->i2c_bus)
+ psb_intel_i2c_destroy(lvds_priv->i2c_bus);
+failed_blc_i2c:
+ drm_encoder_cleanup(encoder);
+ drm_connector_cleanup(connector);
+failed_connector:
+ kfree(gma_connector);
+failed_encoder:
+ kfree(gma_encoder);
+}
+
diff --git a/drivers/gpu/drm/gma500/psb_intel_modes.c b/drivers/gpu/drm/gma500/psb_intel_modes.c
new file mode 100644
index 0000000..4fca0d6
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_modes.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2007 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authers: Jesse Barnes <jesse.barnes@intel.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/fb.h>
+#include <drm/drmP.h>
+#include "psb_intel_drv.h"
+
+/**
+ * psb_intel_ddc_probe
+ *
+ */
+bool psb_intel_ddc_probe(struct i2c_adapter *adapter)
+{
+ u8 out_buf[] = { 0x0, 0x0 };
+ u8 buf[2];
+ int ret;
+ struct i2c_msg msgs[] = {
+ {
+ .addr = 0x50,
+ .flags = 0,
+ .len = 1,
+ .buf = out_buf,
+ },
+ {
+ .addr = 0x50,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = buf,
+ }
+ };
+
+ ret = i2c_transfer(adapter, msgs, 2);
+ if (ret == 2)
+ return true;
+
+ return false;
+}
+
+/**
+ * psb_intel_ddc_get_modes - get modelist from monitor
+ * @connector: DRM connector device to use
+ *
+ * Fetch the EDID information from @connector using the DDC bus.
+ */
+int psb_intel_ddc_get_modes(struct drm_connector *connector,
+ struct i2c_adapter *adapter)
+{
+ struct edid *edid;
+ int ret = 0;
+
+ edid = drm_get_edid(connector, adapter);
+ if (edid) {
+ drm_mode_connector_update_edid_property(connector, edid);
+ ret = drm_add_edid_modes(connector, edid);
+ kfree(edid);
+ }
+ return ret;
+}
diff --git a/drivers/gpu/drm/gma500/psb_intel_reg.h b/drivers/gpu/drm/gma500/psb_intel_reg.h
new file mode 100644
index 0000000..0be30e4
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_reg.h
@@ -0,0 +1,1545 @@
+/*
+ * Copyright (c) 2009, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef __PSB_INTEL_REG_H__
+#define __PSB_INTEL_REG_H__
+
+/*
+ * GPIO regs
+ */
+#define GPIOA 0x5010
+#define GPIOB 0x5014
+#define GPIOC 0x5018
+#define GPIOD 0x501c
+#define GPIOE 0x5020
+#define GPIOF 0x5024
+#define GPIOG 0x5028
+#define GPIOH 0x502c
+# define GPIO_CLOCK_DIR_MASK (1 << 0)
+# define GPIO_CLOCK_DIR_IN (0 << 1)
+# define GPIO_CLOCK_DIR_OUT (1 << 1)
+# define GPIO_CLOCK_VAL_MASK (1 << 2)
+# define GPIO_CLOCK_VAL_OUT (1 << 3)
+# define GPIO_CLOCK_VAL_IN (1 << 4)
+# define GPIO_CLOCK_PULLUP_DISABLE (1 << 5)
+# define GPIO_DATA_DIR_MASK (1 << 8)
+# define GPIO_DATA_DIR_IN (0 << 9)
+# define GPIO_DATA_DIR_OUT (1 << 9)
+# define GPIO_DATA_VAL_MASK (1 << 10)
+# define GPIO_DATA_VAL_OUT (1 << 11)
+# define GPIO_DATA_VAL_IN (1 << 12)
+# define GPIO_DATA_PULLUP_DISABLE (1 << 13)
+
+#define GMBUS0 0x5100 /* clock/port select */
+#define GMBUS_RATE_100KHZ (0<<8)
+#define GMBUS_RATE_50KHZ (1<<8)
+#define GMBUS_RATE_400KHZ (2<<8) /* reserved on Pineview */
+#define GMBUS_RATE_1MHZ (3<<8) /* reserved on Pineview */
+#define GMBUS_HOLD_EXT (1<<7) /* 300ns hold time, rsvd on Pineview */
+#define GMBUS_PORT_DISABLED 0
+#define GMBUS_PORT_SSC 1
+#define GMBUS_PORT_VGADDC 2
+#define GMBUS_PORT_PANEL 3
+#define GMBUS_PORT_DPC 4 /* HDMIC */
+#define GMBUS_PORT_DPB 5 /* SDVO, HDMIB */
+ /* 6 reserved */
+#define GMBUS_PORT_DPD 7 /* HDMID */
+#define GMBUS_NUM_PORTS 8
+#define GMBUS1 0x5104 /* command/status */
+#define GMBUS_SW_CLR_INT (1<<31)
+#define GMBUS_SW_RDY (1<<30)
+#define GMBUS_ENT (1<<29) /* enable timeout */
+#define GMBUS_CYCLE_NONE (0<<25)
+#define GMBUS_CYCLE_WAIT (1<<25)
+#define GMBUS_CYCLE_INDEX (2<<25)
+#define GMBUS_CYCLE_STOP (4<<25)
+#define GMBUS_BYTE_COUNT_SHIFT 16
+#define GMBUS_SLAVE_INDEX_SHIFT 8
+#define GMBUS_SLAVE_ADDR_SHIFT 1
+#define GMBUS_SLAVE_READ (1<<0)
+#define GMBUS_SLAVE_WRITE (0<<0)
+#define GMBUS2 0x5108 /* status */
+#define GMBUS_INUSE (1<<15)
+#define GMBUS_HW_WAIT_PHASE (1<<14)
+#define GMBUS_STALL_TIMEOUT (1<<13)
+#define GMBUS_INT (1<<12)
+#define GMBUS_HW_RDY (1<<11)
+#define GMBUS_SATOER (1<<10)
+#define GMBUS_ACTIVE (1<<9)
+#define GMBUS3 0x510c /* data buffer bytes 3-0 */
+#define GMBUS4 0x5110 /* interrupt mask (Pineview+) */
+#define GMBUS_SLAVE_TIMEOUT_EN (1<<4)
+#define GMBUS_NAK_EN (1<<3)
+#define GMBUS_IDLE_EN (1<<2)
+#define GMBUS_HW_WAIT_EN (1<<1)
+#define GMBUS_HW_RDY_EN (1<<0)
+#define GMBUS5 0x5120 /* byte index */
+#define GMBUS_2BYTE_INDEX_EN (1<<31)
+
+#define BLC_PWM_CTL 0x61254
+#define BLC_PWM_CTL2 0x61250
+#define PWM_ENABLE (1 << 31)
+#define PWM_LEGACY_MODE (1 << 30)
+#define PWM_PIPE_B (1 << 29)
+#define BLC_PWM_CTL_C 0x62254
+#define BLC_PWM_CTL2_C 0x62250
+#define BACKLIGHT_MODULATION_FREQ_SHIFT (17)
+/*
+ * This is the most significant 15 bits of the number of backlight cycles in a
+ * complete cycle of the modulated backlight control.
+ *
+ * The actual value is this field multiplied by two.
+ */
+#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17)
+#define BLM_LEGACY_MODE (1 << 16)
+/*
+ * This is the number of cycles out of the backlight modulation cycle for which
+ * the backlight is on.
+ *
+ * This field must be no greater than the number of cycles in the complete
+ * backlight modulation cycle.
+ */
+#define BACKLIGHT_DUTY_CYCLE_SHIFT (0)
+#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff)
+
+#define I915_GCFGC 0xf0
+#define I915_LOW_FREQUENCY_ENABLE (1 << 7)
+#define I915_DISPLAY_CLOCK_190_200_MHZ (0 << 4)
+#define I915_DISPLAY_CLOCK_333_MHZ (4 << 4)
+#define I915_DISPLAY_CLOCK_MASK (7 << 4)
+
+#define I855_HPLLCC 0xc0
+#define I855_CLOCK_CONTROL_MASK (3 << 0)
+#define I855_CLOCK_133_200 (0 << 0)
+#define I855_CLOCK_100_200 (1 << 0)
+#define I855_CLOCK_100_133 (2 << 0)
+#define I855_CLOCK_166_250 (3 << 0)
+
+/* I830 CRTC registers */
+#define HTOTAL_A 0x60000
+#define HBLANK_A 0x60004
+#define HSYNC_A 0x60008
+#define VTOTAL_A 0x6000c
+#define VBLANK_A 0x60010
+#define VSYNC_A 0x60014
+#define PIPEASRC 0x6001c
+#define BCLRPAT_A 0x60020
+#define VSYNCSHIFT_A 0x60028
+
+#define HTOTAL_B 0x61000
+#define HBLANK_B 0x61004
+#define HSYNC_B 0x61008
+#define VTOTAL_B 0x6100c
+#define VBLANK_B 0x61010
+#define VSYNC_B 0x61014
+#define PIPEBSRC 0x6101c
+#define BCLRPAT_B 0x61020
+#define VSYNCSHIFT_B 0x61028
+
+#define HTOTAL_C 0x62000
+#define HBLANK_C 0x62004
+#define HSYNC_C 0x62008
+#define VTOTAL_C 0x6200c
+#define VBLANK_C 0x62010
+#define VSYNC_C 0x62014
+#define PIPECSRC 0x6201c
+#define BCLRPAT_C 0x62020
+#define VSYNCSHIFT_C 0x62028
+
+#define PP_STATUS 0x61200
+# define PP_ON (1 << 31)
+/*
+ * Indicates that all dependencies of the panel are on:
+ *
+ * - PLL enabled
+ * - pipe enabled
+ * - LVDS/DVOB/DVOC on
+ */
+#define PP_READY (1 << 30)
+#define PP_SEQUENCE_NONE (0 << 28)
+#define PP_SEQUENCE_ON (1 << 28)
+#define PP_SEQUENCE_OFF (2 << 28)
+#define PP_SEQUENCE_MASK 0x30000000
+#define PP_CYCLE_DELAY_ACTIVE (1 << 27)
+#define PP_SEQUENCE_STATE_ON_IDLE (1 << 3)
+#define PP_SEQUENCE_STATE_MASK 0x0000000f
+
+#define PP_CONTROL 0x61204
+#define POWER_TARGET_ON (1 << 0)
+#define PANEL_UNLOCK_REGS (0xabcd << 16)
+#define PANEL_UNLOCK_MASK (0xffff << 16)
+#define EDP_FORCE_VDD (1 << 3)
+#define EDP_BLC_ENABLE (1 << 2)
+#define PANEL_POWER_RESET (1 << 1)
+#define PANEL_POWER_OFF (0 << 0)
+#define PANEL_POWER_ON (1 << 0)
+
+/* Poulsbo/Oaktrail */
+#define LVDSPP_ON 0x61208
+#define LVDSPP_OFF 0x6120c
+#define PP_CYCLE 0x61210
+
+/* Cedartrail */
+#define PP_ON_DELAYS 0x61208 /* Cedartrail */
+#define PANEL_PORT_SELECT_MASK (3 << 30)
+#define PANEL_PORT_SELECT_LVDS (0 << 30)
+#define PANEL_PORT_SELECT_EDP (1 << 30)
+#define PANEL_POWER_UP_DELAY_MASK (0x1fff0000)
+#define PANEL_POWER_UP_DELAY_SHIFT 16
+#define PANEL_LIGHT_ON_DELAY_MASK (0x1fff)
+#define PANEL_LIGHT_ON_DELAY_SHIFT 0
+
+#define PP_OFF_DELAYS 0x6120c /* Cedartrail */
+#define PANEL_POWER_DOWN_DELAY_MASK (0x1fff0000)
+#define PANEL_POWER_DOWN_DELAY_SHIFT 16
+#define PANEL_LIGHT_OFF_DELAY_MASK (0x1fff)
+#define PANEL_LIGHT_OFF_DELAY_SHIFT 0
+
+#define PP_DIVISOR 0x61210 /* Cedartrail */
+#define PP_REFERENCE_DIVIDER_MASK (0xffffff00)
+#define PP_REFERENCE_DIVIDER_SHIFT 8
+#define PANEL_POWER_CYCLE_DELAY_MASK (0x1f)
+#define PANEL_POWER_CYCLE_DELAY_SHIFT 0
+
+#define PFIT_CONTROL 0x61230
+#define PFIT_ENABLE (1 << 31)
+#define PFIT_PIPE_MASK (3 << 29)
+#define PFIT_PIPE_SHIFT 29
+#define PFIT_SCALING_MODE_PILLARBOX (1 << 27)
+#define PFIT_SCALING_MODE_LETTERBOX (3 << 26)
+#define VERT_INTERP_DISABLE (0 << 10)
+#define VERT_INTERP_BILINEAR (1 << 10)
+#define VERT_INTERP_MASK (3 << 10)
+#define VERT_AUTO_SCALE (1 << 9)
+#define HORIZ_INTERP_DISABLE (0 << 6)
+#define HORIZ_INTERP_BILINEAR (1 << 6)
+#define HORIZ_INTERP_MASK (3 << 6)
+#define HORIZ_AUTO_SCALE (1 << 5)
+#define PANEL_8TO6_DITHER_ENABLE (1 << 3)
+
+#define PFIT_PGM_RATIOS 0x61234
+#define PFIT_VERT_SCALE_MASK 0xfff00000
+#define PFIT_HORIZ_SCALE_MASK 0x0000fff0
+
+#define PFIT_AUTO_RATIOS 0x61238
+
+#define DPLL_A 0x06014
+#define DPLL_B 0x06018
+#define DPLL_VCO_ENABLE (1 << 31)
+#define DPLL_DVO_HIGH_SPEED (1 << 30)
+#define DPLL_SYNCLOCK_ENABLE (1 << 29)
+#define DPLL_VGA_MODE_DIS (1 << 28)
+#define DPLLB_MODE_DAC_SERIAL (1 << 26) /* i915 */
+#define DPLLB_MODE_LVDS (2 << 26) /* i915 */
+#define DPLL_MODE_MASK (3 << 26)
+#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */
+#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */
+#define DPLLB_LVDS_P2_CLOCK_DIV_14 (0 << 24) /* i915 */
+#define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */
+#define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */
+#define DPLL_FPA0h1_P1_POST_DIV_MASK 0x00ff0000 /* i915 */
+#define DPLL_LOCK (1 << 15) /* CDV */
+
+/*
+ * The i830 generation, in DAC/serial mode, defines p1 as two plus this
+ * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
+ */
+# define DPLL_FPA01_P1_POST_DIV_MASK_I830 0x001f0000
+/*
+ * The i830 generation, in LVDS mode, defines P1 as the bit number set within
+ * this field (only one bit may be set).
+ */
+#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000
+#define DPLL_FPA01_P1_POST_DIV_SHIFT 16
+#define PLL_P2_DIVIDE_BY_4 (1 << 23) /* i830, required
+ * in DVO non-gang */
+# define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */
+#define PLL_REF_INPUT_DREFCLK (0 << 13)
+#define PLL_REF_INPUT_TVCLKINA (1 << 13) /* i830 */
+#define PLL_REF_INPUT_TVCLKINBC (2 << 13) /* SDVO
+ * TVCLKIN */
+#define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
+#define PLL_REF_INPUT_MASK (3 << 13)
+#define PLL_LOAD_PULSE_PHASE_SHIFT 9
+/*
+ * Parallel to Serial Load Pulse phase selection.
+ * Selects the phase for the 10X DPLL clock for the PCIe
+ * digital display port. The range is 4 to 13; 10 or more
+ * is just a flip delay. The default is 6
+ */
+#define PLL_LOAD_PULSE_PHASE_MASK (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
+#define DISPLAY_RATE_SELECT_FPA1 (1 << 8)
+
+/*
+ * SDVO multiplier for 945G/GM. Not used on 965.
+ *
+ * DPLL_MD_UDI_MULTIPLIER_MASK
+ */
+#define SDVO_MULTIPLIER_MASK 0x000000ff
+#define SDVO_MULTIPLIER_SHIFT_HIRES 4
+#define SDVO_MULTIPLIER_SHIFT_VGA 0
+
+/*
+ * PLL_MD
+ */
+/* Pipe A SDVO/UDI clock multiplier/divider register for G965. */
+#define DPLL_A_MD 0x0601c
+/* Pipe B SDVO/UDI clock multiplier/divider register for G965. */
+#define DPLL_B_MD 0x06020
+/*
+ * UDI pixel divider, controlling how many pixels are stuffed into a packet.
+ *
+ * Value is pixels minus 1. Must be set to 1 pixel for SDVO.
+ */
+#define DPLL_MD_UDI_DIVIDER_MASK 0x3f000000
+#define DPLL_MD_UDI_DIVIDER_SHIFT 24
+/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
+#define DPLL_MD_VGA_UDI_DIVIDER_MASK 0x003f0000
+#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT 16
+/*
+ * SDVO/UDI pixel multiplier.
+ *
+ * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
+ * clock rate is 10 times the DPLL clock. At low resolution/refresh rate
+ * modes, the bus rate would be below the limits, so SDVO allows for stuffing
+ * dummy bytes in the datastream at an increased clock rate, with both sides of
+ * the link knowing how many bytes are fill.
+ *
+ * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
+ * rate to 130Mhz to get a bus rate of 1.30Ghz. The DPLL clock rate would be
+ * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
+ * through an SDVO command.
+ *
+ * This register field has values of multiplication factor minus 1, with
+ * a maximum multiplier of 5 for SDVO.
+ */
+#define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00
+#define DPLL_MD_UDI_MULTIPLIER_SHIFT 8
+/*
+ * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
+ * This best be set to the default value (3) or the CRT won't work. No,
+ * I don't entirely understand what this does...
+ */
+#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f
+#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
+
+#define DPLL_TEST 0x606c
+#define DPLLB_TEST_SDVO_DIV_1 (0 << 22)
+#define DPLLB_TEST_SDVO_DIV_2 (1 << 22)
+#define DPLLB_TEST_SDVO_DIV_4 (2 << 22)
+#define DPLLB_TEST_SDVO_DIV_MASK (3 << 22)
+#define DPLLB_TEST_N_BYPASS (1 << 19)
+#define DPLLB_TEST_M_BYPASS (1 << 18)
+#define DPLLB_INPUT_BUFFER_ENABLE (1 << 16)
+#define DPLLA_TEST_N_BYPASS (1 << 3)
+#define DPLLA_TEST_M_BYPASS (1 << 2)
+#define DPLLA_INPUT_BUFFER_ENABLE (1 << 0)
+
+#define ADPA 0x61100
+#define ADPA_DAC_ENABLE (1 << 31)
+#define ADPA_DAC_DISABLE 0
+#define ADPA_PIPE_SELECT_MASK (1 << 30)
+#define ADPA_PIPE_A_SELECT 0
+#define ADPA_PIPE_B_SELECT (1 << 30)
+#define ADPA_USE_VGA_HVPOLARITY (1 << 15)
+#define ADPA_SETS_HVPOLARITY 0
+#define ADPA_VSYNC_CNTL_DISABLE (1 << 11)
+#define ADPA_VSYNC_CNTL_ENABLE 0
+#define ADPA_HSYNC_CNTL_DISABLE (1 << 10)
+#define ADPA_HSYNC_CNTL_ENABLE 0
+#define ADPA_VSYNC_ACTIVE_HIGH (1 << 4)
+#define ADPA_VSYNC_ACTIVE_LOW 0
+#define ADPA_HSYNC_ACTIVE_HIGH (1 << 3)
+#define ADPA_HSYNC_ACTIVE_LOW 0
+
+#define FPA0 0x06040
+#define FPA1 0x06044
+#define FPB0 0x06048
+#define FPB1 0x0604c
+#define FP_N_DIV_MASK 0x003f0000
+#define FP_N_DIV_SHIFT 16
+#define FP_M1_DIV_MASK 0x00003f00
+#define FP_M1_DIV_SHIFT 8
+#define FP_M2_DIV_MASK 0x0000003f
+#define FP_M2_DIV_SHIFT 0
+
+#define PORT_HOTPLUG_EN 0x61110
+#define HDMIB_HOTPLUG_INT_EN (1 << 29)
+#define HDMIC_HOTPLUG_INT_EN (1 << 28)
+#define HDMID_HOTPLUG_INT_EN (1 << 27)
+#define SDVOB_HOTPLUG_INT_EN (1 << 26)
+#define SDVOC_HOTPLUG_INT_EN (1 << 25)
+#define TV_HOTPLUG_INT_EN (1 << 18)
+#define CRT_HOTPLUG_INT_EN (1 << 9)
+#define CRT_HOTPLUG_FORCE_DETECT (1 << 3)
+/* CDV.. */
+#define CRT_HOTPLUG_ACTIVATION_PERIOD_64 (1 << 8)
+#define CRT_HOTPLUG_DAC_ON_TIME_2M (0 << 7)
+#define CRT_HOTPLUG_DAC_ON_TIME_4M (1 << 7)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_40 (0 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_50 (1 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_60 (2 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_70 (3 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK (3 << 5)
+#define CRT_HOTPLUG_DETECT_DELAY_1G (0 << 4)
+#define CRT_HOTPLUG_DETECT_DELAY_2G (1 << 4)
+#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV (0 << 2)
+#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2)
+#define CRT_HOTPLUG_DETECT_MASK 0x000000F8
+
+#define PORT_HOTPLUG_STAT 0x61114
+#define CRT_HOTPLUG_INT_STATUS (1 << 11)
+#define TV_HOTPLUG_INT_STATUS (1 << 10)
+#define CRT_HOTPLUG_MONITOR_MASK (3 << 8)
+#define CRT_HOTPLUG_MONITOR_COLOR (3 << 8)
+#define CRT_HOTPLUG_MONITOR_MONO (2 << 8)
+#define CRT_HOTPLUG_MONITOR_NONE (0 << 8)
+#define SDVOC_HOTPLUG_INT_STATUS (1 << 7)
+#define SDVOB_HOTPLUG_INT_STATUS (1 << 6)
+
+#define SDVOB 0x61140
+#define SDVOC 0x61160
+#define SDVO_ENABLE (1 << 31)
+#define SDVO_PIPE_B_SELECT (1 << 30)
+#define SDVO_STALL_SELECT (1 << 29)
+#define SDVO_INTERRUPT_ENABLE (1 << 26)
+#define SDVO_COLOR_RANGE_16_235 (1 << 8)
+#define SDVO_AUDIO_ENABLE (1 << 6)
+
+/**
+ * 915G/GM SDVO pixel multiplier.
+ *
+ * Programmed value is multiplier - 1, up to 5x.
+ *
+ * DPLL_MD_UDI_MULTIPLIER_MASK
+ */
+#define SDVO_PORT_MULTIPLY_MASK (7 << 23)
+#define SDVO_PORT_MULTIPLY_SHIFT 23
+#define SDVO_PHASE_SELECT_MASK (15 << 19)
+#define SDVO_PHASE_SELECT_DEFAULT (6 << 19)
+#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18)
+#define SDVOC_GANG_MODE (1 << 16)
+#define SDVO_BORDER_ENABLE (1 << 7)
+#define SDVOB_PCIE_CONCURRENCY (1 << 3)
+#define SDVO_DETECTED (1 << 2)
+/* Bits to be preserved when writing */
+#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14))
+#define SDVOC_PRESERVE_MASK (1 << 17)
+
+/*
+ * This register controls the LVDS output enable, pipe selection, and data
+ * format selection.
+ *
+ * All of the clock/data pairs are force powered down by power sequencing.
+ */
+#define LVDS 0x61180
+/*
+ * Enables the LVDS port. This bit must be set before DPLLs are enabled, as
+ * the DPLL semantics change when the LVDS is assigned to that pipe.
+ */
+#define LVDS_PORT_EN (1 << 31)
+/* Selects pipe B for LVDS data. Must be set on pre-965. */
+#define LVDS_PIPEB_SELECT (1 << 30)
+
+/* Turns on border drawing to allow centered display. */
+#define LVDS_BORDER_EN (1 << 15)
+
+/*
+ * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
+ * pixel.
+ */
+#define LVDS_A0A2_CLKA_POWER_MASK (3 << 8)
+#define LVDS_A0A2_CLKA_POWER_DOWN (0 << 8)
+#define LVDS_A0A2_CLKA_POWER_UP (3 << 8)
+/*
+ * Controls the A3 data pair, which contains the additional LSBs for 24 bit
+ * mode. Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
+ * on.
+ */
+#define LVDS_A3_POWER_MASK (3 << 6)
+#define LVDS_A3_POWER_DOWN (0 << 6)
+#define LVDS_A3_POWER_UP (3 << 6)
+/*
+ * Controls the CLKB pair. This should only be set when LVDS_B0B3_POWER_UP
+ * is set.
+ */
+#define LVDS_CLKB_POWER_MASK (3 << 4)
+#define LVDS_CLKB_POWER_DOWN (0 << 4)
+#define LVDS_CLKB_POWER_UP (3 << 4)
+/*
+ * Controls the B0-B3 data pairs. This must be set to match the DPLL p2
+ * setting for whether we are in dual-channel mode. The B3 pair will
+ * additionally only be powered up when LVDS_A3_POWER_UP is set.
+ */
+#define LVDS_B0B3_POWER_MASK (3 << 2)
+#define LVDS_B0B3_POWER_DOWN (0 << 2)
+#define LVDS_B0B3_POWER_UP (3 << 2)
+
+#define PIPEACONF 0x70008
+#define PIPEACONF_ENABLE (1 << 31)
+#define PIPEACONF_DISABLE 0
+#define PIPEACONF_DOUBLE_WIDE (1 << 30)
+#define PIPECONF_ACTIVE (1 << 30)
+#define PIPECONF_DSIPLL_LOCK (1 << 29)
+#define PIPEACONF_SINGLE_WIDE 0
+#define PIPEACONF_PIPE_UNLOCKED 0
+#define PIPEACONF_DSR (1 << 26)
+#define PIPEACONF_PIPE_LOCKED (1 << 25)
+#define PIPEACONF_PALETTE 0
+#define PIPECONF_FORCE_BORDER (1 << 25)
+#define PIPEACONF_GAMMA (1 << 24)
+#define PIPECONF_PROGRESSIVE (0 << 21)
+#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21)
+#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21)
+#define PIPECONF_PLANE_OFF (1 << 19)
+#define PIPECONF_CURSOR_OFF (1 << 18)
+
+#define PIPEBCONF 0x71008
+#define PIPEBCONF_ENABLE (1 << 31)
+#define PIPEBCONF_DISABLE 0
+#define PIPEBCONF_DOUBLE_WIDE (1 << 30)
+#define PIPEBCONF_DISABLE 0
+#define PIPEBCONF_GAMMA (1 << 24)
+#define PIPEBCONF_PALETTE 0
+
+#define PIPECCONF 0x72008
+
+#define PIPEBGCMAXRED 0x71010
+#define PIPEBGCMAXGREEN 0x71014
+#define PIPEBGCMAXBLUE 0x71018
+
+#define PIPEASTAT 0x70024
+#define PIPEBSTAT 0x71024
+#define PIPECSTAT 0x72024
+#define PIPE_VBLANK_INTERRUPT_STATUS (1UL << 1)
+#define PIPE_START_VBLANK_INTERRUPT_STATUS (1UL << 2)
+#define PIPE_VBLANK_CLEAR (1 << 1)
+#define PIPE_VBLANK_STATUS (1 << 1)
+#define PIPE_TE_STATUS (1UL << 6)
+#define PIPE_DPST_EVENT_STATUS (1UL << 7)
+#define PIPE_VSYNC_CLEAR (1UL << 9)
+#define PIPE_VSYNC_STATUS (1UL << 9)
+#define PIPE_HDMI_AUDIO_UNDERRUN_STATUS (1UL << 10)
+#define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS (1UL << 11)
+#define PIPE_VBLANK_INTERRUPT_ENABLE (1UL << 17)
+#define PIPE_START_VBLANK_INTERRUPT_ENABLE (1UL << 18)
+#define PIPE_TE_ENABLE (1UL << 22)
+#define PIPE_LEGACY_BLC_EVENT_ENABLE (1UL << 22)
+#define PIPE_DPST_EVENT_ENABLE (1UL << 23)
+#define PIPE_VSYNC_ENABL (1UL << 25)
+#define PIPE_HDMI_AUDIO_UNDERRUN (1UL << 26)
+#define PIPE_HDMI_AUDIO_BUFFER_DONE (1UL << 27)
+#define PIPE_FIFO_UNDERRUN (1UL << 31)
+#define PIPE_HDMI_AUDIO_INT_MASK (PIPE_HDMI_AUDIO_UNDERRUN | \
+ PIPE_HDMI_AUDIO_BUFFER_DONE)
+#define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16))
+#define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17))
+#define HISTOGRAM_INT_CONTROL 0x61268
+#define HISTOGRAM_BIN_DATA 0X61264
+#define HISTOGRAM_LOGIC_CONTROL 0x61260
+#define PWM_CONTROL_LOGIC 0x61250
+#define PIPE_HOTPLUG_INTERRUPT_STATUS (1UL << 10)
+#define HISTOGRAM_INTERRUPT_ENABLE (1UL << 31)
+#define HISTOGRAM_LOGIC_ENABLE (1UL << 31)
+#define PWM_LOGIC_ENABLE (1UL << 31)
+#define PWM_PHASEIN_ENABLE (1UL << 25)
+#define PWM_PHASEIN_INT_ENABLE (1UL << 24)
+#define PWM_PHASEIN_VB_COUNT 0x00001f00
+#define PWM_PHASEIN_INC 0x0000001f
+#define HISTOGRAM_INT_CTRL_CLEAR (1UL << 30)
+#define DPST_YUV_LUMA_MODE 0
+
+struct dpst_ie_histogram_control {
+ union {
+ uint32_t data;
+ struct {
+ uint32_t bin_reg_index:7;
+ uint32_t reserved:4;
+ uint32_t bin_reg_func_select:1;
+ uint32_t sync_to_phase_in:1;
+ uint32_t alt_enhancement_mode:2;
+ uint32_t reserved1:1;
+ uint32_t sync_to_phase_in_count:8;
+ uint32_t histogram_mode_select:1;
+ uint32_t reserved2:4;
+ uint32_t ie_pipe_assignment:1;
+ uint32_t ie_mode_table_enabled:1;
+ uint32_t ie_histogram_enable:1;
+ };
+ };
+};
+
+struct dpst_guardband {
+ union {
+ uint32_t data;
+ struct {
+ uint32_t guardband:22;
+ uint32_t guardband_interrupt_delay:8;
+ uint32_t interrupt_status:1;
+ uint32_t interrupt_enable:1;
+ };
+ };
+};
+
+#define PIPEAFRAMEHIGH 0x70040
+#define PIPEAFRAMEPIXEL 0x70044
+#define PIPEBFRAMEHIGH 0x71040
+#define PIPEBFRAMEPIXEL 0x71044
+#define PIPECFRAMEHIGH 0x72040
+#define PIPECFRAMEPIXEL 0x72044
+#define PIPE_FRAME_HIGH_MASK 0x0000ffff
+#define PIPE_FRAME_HIGH_SHIFT 0
+#define PIPE_FRAME_LOW_MASK 0xff000000
+#define PIPE_FRAME_LOW_SHIFT 24
+#define PIPE_PIXEL_MASK 0x00ffffff
+#define PIPE_PIXEL_SHIFT 0
+
+#define FW_BLC_SELF 0x20e0
+#define FW_BLC_SELF_EN (1<<15)
+
+#define DSPARB 0x70030
+#define DSPFW1 0x70034
+#define DSP_FIFO_SR_WM_MASK 0xFF800000
+#define DSP_FIFO_SR_WM_SHIFT 23
+#define CURSOR_B_FIFO_WM_MASK 0x003F0000
+#define CURSOR_B_FIFO_WM_SHIFT 16
+#define DSPFW2 0x70038
+#define CURSOR_A_FIFO_WM_MASK 0x3F00
+#define CURSOR_A_FIFO_WM_SHIFT 8
+#define DSP_PLANE_C_FIFO_WM_MASK 0x7F
+#define DSP_PLANE_C_FIFO_WM_SHIFT 0
+#define DSPFW3 0x7003c
+#define DSPFW4 0x70050
+#define DSPFW5 0x70054
+#define DSP_PLANE_B_FIFO_WM1_SHIFT 24
+#define DSP_PLANE_A_FIFO_WM1_SHIFT 16
+#define CURSOR_B_FIFO_WM1_SHIFT 8
+#define CURSOR_FIFO_SR_WM1_SHIFT 0
+#define DSPFW6 0x70058
+#define DSPCHICKENBIT 0x70400
+#define DSPACNTR 0x70180
+#define DSPBCNTR 0x71180
+#define DSPCCNTR 0x72180
+#define DISPLAY_PLANE_ENABLE (1 << 31)
+#define DISPLAY_PLANE_DISABLE 0
+#define DISPPLANE_GAMMA_ENABLE (1 << 30)
+#define DISPPLANE_GAMMA_DISABLE 0
+#define DISPPLANE_PIXFORMAT_MASK (0xf << 26)
+#define DISPPLANE_8BPP (0x2 << 26)
+#define DISPPLANE_15_16BPP (0x4 << 26)
+#define DISPPLANE_16BPP (0x5 << 26)
+#define DISPPLANE_32BPP_NO_ALPHA (0x6 << 26)
+#define DISPPLANE_32BPP (0x7 << 26)
+#define DISPPLANE_STEREO_ENABLE (1 << 25)
+#define DISPPLANE_STEREO_DISABLE 0
+#define DISPPLANE_SEL_PIPE_MASK (1 << 24)
+#define DISPPLANE_SEL_PIPE_POS 24
+#define DISPPLANE_SEL_PIPE_A 0
+#define DISPPLANE_SEL_PIPE_B (1 << 24)
+#define DISPPLANE_SRC_KEY_ENABLE (1 << 22)
+#define DISPPLANE_SRC_KEY_DISABLE 0
+#define DISPPLANE_LINE_DOUBLE (1 << 20)
+#define DISPPLANE_NO_LINE_DOUBLE 0
+#define DISPPLANE_STEREO_POLARITY_FIRST 0
+#define DISPPLANE_STEREO_POLARITY_SECOND (1 << 18)
+/* plane B only */
+#define DISPPLANE_ALPHA_TRANS_ENABLE (1 << 15)
+#define DISPPLANE_ALPHA_TRANS_DISABLE 0
+#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0
+#define DISPPLANE_SPRITE_ABOVE_OVERLAY (1)
+#define DISPPLANE_BOTTOM (4)
+
+#define DSPABASE 0x70184
+#define DSPALINOFF 0x70184
+#define DSPASTRIDE 0x70188
+
+#define DSPBBASE 0x71184
+#define DSPBLINOFF 0X71184
+#define DSPBADDR DSPBBASE
+#define DSPBSTRIDE 0x71188
+
+#define DSPCBASE 0x72184
+#define DSPCLINOFF 0x72184
+#define DSPCSTRIDE 0x72188
+
+#define DSPAKEYVAL 0x70194
+#define DSPAKEYMASK 0x70198
+
+#define DSPAPOS 0x7018C /* reserved */
+#define DSPASIZE 0x70190
+#define DSPBPOS 0x7118C
+#define DSPBSIZE 0x71190
+#define DSPCPOS 0x7218C
+#define DSPCSIZE 0x72190
+
+#define DSPASURF 0x7019C
+#define DSPATILEOFF 0x701A4
+
+#define DSPBSURF 0x7119C
+#define DSPBTILEOFF 0x711A4
+
+#define DSPCSURF 0x7219C
+#define DSPCTILEOFF 0x721A4
+#define DSPCKEYMAXVAL 0x721A0
+#define DSPCKEYMINVAL 0x72194
+#define DSPCKEYMSK 0x72198
+
+#define VGACNTRL 0x71400
+#define VGA_DISP_DISABLE (1 << 31)
+#define VGA_2X_MODE (1 << 30)
+#define VGA_PIPE_B_SELECT (1 << 29)
+
+/*
+ * Overlay registers
+ */
+#define OV_C_OFFSET 0x08000
+#define OV_OVADD 0x30000
+#define OV_DOVASTA 0x30008
+# define OV_PIPE_SELECT ((1 << 6)|(1 << 7))
+# define OV_PIPE_SELECT_POS 6
+# define OV_PIPE_A 0
+# define OV_PIPE_C 1
+#define OV_OGAMC5 0x30010
+#define OV_OGAMC4 0x30014
+#define OV_OGAMC3 0x30018
+#define OV_OGAMC2 0x3001C
+#define OV_OGAMC1 0x30020
+#define OV_OGAMC0 0x30024
+#define OVC_OVADD 0x38000
+#define OVC_DOVCSTA 0x38008
+#define OVC_OGAMC5 0x38010
+#define OVC_OGAMC4 0x38014
+#define OVC_OGAMC3 0x38018
+#define OVC_OGAMC2 0x3801C
+#define OVC_OGAMC1 0x38020
+#define OVC_OGAMC0 0x38024
+
+/*
+ * Some BIOS scratch area registers. The 845 (and 830?) store the amount
+ * of video memory available to the BIOS in SWF1.
+ */
+#define SWF0 0x71410
+#define SWF1 0x71414
+#define SWF2 0x71418
+#define SWF3 0x7141c
+#define SWF4 0x71420
+#define SWF5 0x71424
+#define SWF6 0x71428
+
+/*
+ * 855 scratch registers.
+ */
+#define SWF00 0x70410
+#define SWF01 0x70414
+#define SWF02 0x70418
+#define SWF03 0x7041c
+#define SWF04 0x70420
+#define SWF05 0x70424
+#define SWF06 0x70428
+
+#define SWF10 SWF0
+#define SWF11 SWF1
+#define SWF12 SWF2
+#define SWF13 SWF3
+#define SWF14 SWF4
+#define SWF15 SWF5
+#define SWF16 SWF6
+
+#define SWF30 0x72414
+#define SWF31 0x72418
+#define SWF32 0x7241c
+
+
+/*
+ * Palette registers
+ */
+#define PALETTE_A 0x0a000
+#define PALETTE_B 0x0a800
+#define PALETTE_C 0x0ac00
+
+/* Cursor A & B regs */
+#define CURACNTR 0x70080
+#define CURSOR_MODE_DISABLE 0x00
+#define CURSOR_MODE_64_32B_AX 0x07
+#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX)
+#define MCURSOR_GAMMA_ENABLE (1 << 26)
+#define CURABASE 0x70084
+#define CURAPOS 0x70088
+#define CURSOR_POS_MASK 0x007FF
+#define CURSOR_POS_SIGN 0x8000
+#define CURSOR_X_SHIFT 0
+#define CURSOR_Y_SHIFT 16
+#define CURBCNTR 0x700c0
+#define CURBBASE 0x700c4
+#define CURBPOS 0x700c8
+#define CURCCNTR 0x700e0
+#define CURCBASE 0x700e4
+#define CURCPOS 0x700e8
+
+/*
+ * Interrupt Registers
+ */
+#define IER 0x020a0
+#define IIR 0x020a4
+#define IMR 0x020a8
+#define ISR 0x020ac
+
+/*
+ * MOORESTOWN delta registers
+ */
+#define MRST_DPLL_A 0x0f014
+#define MDFLD_DPLL_B 0x0f018
+#define MDFLD_INPUT_REF_SEL (1 << 14)
+#define MDFLD_VCO_SEL (1 << 16)
+#define DPLLA_MODE_LVDS (2 << 26) /* mrst */
+#define MDFLD_PLL_LATCHEN (1 << 28)
+#define MDFLD_PWR_GATE_EN (1 << 30)
+#define MDFLD_P1_MASK (0x1FF << 17)
+#define MRST_FPA0 0x0f040
+#define MRST_FPA1 0x0f044
+#define MDFLD_DPLL_DIV0 0x0f048
+#define MDFLD_DPLL_DIV1 0x0f04c
+#define MRST_PERF_MODE 0x020f4
+
+/*
+ * MEDFIELD HDMI registers
+ */
+#define HDMIPHYMISCCTL 0x61134
+#define HDMI_PHY_POWER_DOWN 0x7f
+#define HDMIB_CONTROL 0x61140
+#define HDMIB_PORT_EN (1 << 31)
+#define HDMIB_PIPE_B_SELECT (1 << 30)
+#define HDMIB_NULL_PACKET (1 << 9)
+#define HDMIB_HDCP_PORT (1 << 5)
+
+/* #define LVDS 0x61180 */
+#define MRST_PANEL_8TO6_DITHER_ENABLE (1 << 25)
+#define MRST_PANEL_24_DOT_1_FORMAT (1 << 24)
+#define LVDS_A3_POWER_UP_0_OUTPUT (1 << 6)
+
+#define MIPI 0x61190
+#define MIPI_C 0x62190
+#define MIPI_PORT_EN (1 << 31)
+/* Turns on border drawing to allow centered display. */
+#define SEL_FLOPPED_HSTX (1 << 23)
+#define PASS_FROM_SPHY_TO_AFE (1 << 16)
+#define MIPI_BORDER_EN (1 << 15)
+#define MIPIA_3LANE_MIPIC_1LANE 0x1
+#define MIPIA_2LANE_MIPIC_2LANE 0x2
+#define TE_TRIGGER_DSI_PROTOCOL (1 << 2)
+#define TE_TRIGGER_GPIO_PIN (1 << 3)
+#define MIPI_TE_COUNT 0x61194
+
+/* #define PP_CONTROL 0x61204 */
+#define POWER_DOWN_ON_RESET (1 << 1)
+
+/* #define PFIT_CONTROL 0x61230 */
+#define PFIT_PIPE_SELECT (3 << 29)
+#define PFIT_PIPE_SELECT_SHIFT (29)
+
+/* #define BLC_PWM_CTL 0x61254 */
+#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT (16)
+#define MRST_BACKLIGHT_MODULATION_FREQ_MASK (0xffff << 16)
+
+/* #define PIPEACONF 0x70008 */
+#define PIPEACONF_PIPE_STATE (1 << 30)
+/* #define DSPACNTR 0x70180 */
+
+#define MRST_DSPABASE 0x7019c
+#define MRST_DSPBBASE 0x7119c
+#define MDFLD_DSPCBASE 0x7219c
+
+/*
+ * Moorestown registers.
+ */
+
+/*
+ * MIPI IP registers
+ */
+#define MIPIC_REG_OFFSET 0x800
+
+#define DEVICE_READY_REG 0xb000
+#define LP_OUTPUT_HOLD (1 << 16)
+#define EXIT_ULPS_DEV_READY 0x3
+#define LP_OUTPUT_HOLD_RELEASE 0x810000
+# define ENTERING_ULPS (2 << 1)
+# define EXITING_ULPS (1 << 1)
+# define ULPS_MASK (3 << 1)
+# define BUS_POSSESSION (1 << 3)
+#define INTR_STAT_REG 0xb004
+#define RX_SOT_ERROR (1 << 0)
+#define RX_SOT_SYNC_ERROR (1 << 1)
+#define RX_ESCAPE_MODE_ENTRY_ERROR (1 << 3)
+#define RX_LP_TX_SYNC_ERROR (1 << 4)
+#define RX_HS_RECEIVE_TIMEOUT_ERROR (1 << 5)
+#define RX_FALSE_CONTROL_ERROR (1 << 6)
+#define RX_ECC_SINGLE_BIT_ERROR (1 << 7)
+#define RX_ECC_MULTI_BIT_ERROR (1 << 8)
+#define RX_CHECKSUM_ERROR (1 << 9)
+#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED (1 << 10)
+#define RX_DSI_VC_ID_INVALID (1 << 11)
+#define TX_FALSE_CONTROL_ERROR (1 << 12)
+#define TX_ECC_SINGLE_BIT_ERROR (1 << 13)
+#define TX_ECC_MULTI_BIT_ERROR (1 << 14)
+#define TX_CHECKSUM_ERROR (1 << 15)
+#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED (1 << 16)
+#define TX_DSI_VC_ID_INVALID (1 << 17)
+#define HIGH_CONTENTION (1 << 18)
+#define LOW_CONTENTION (1 << 19)
+#define DPI_FIFO_UNDER_RUN (1 << 20)
+#define HS_TX_TIMEOUT (1 << 21)
+#define LP_RX_TIMEOUT (1 << 22)
+#define TURN_AROUND_ACK_TIMEOUT (1 << 23)
+#define ACK_WITH_NO_ERROR (1 << 24)
+#define HS_GENERIC_WR_FIFO_FULL (1 << 27)
+#define LP_GENERIC_WR_FIFO_FULL (1 << 28)
+#define SPL_PKT_SENT (1 << 30)
+#define INTR_EN_REG 0xb008
+#define DSI_FUNC_PRG_REG 0xb00c
+#define DPI_CHANNEL_NUMBER_POS 0x03
+#define DBI_CHANNEL_NUMBER_POS 0x05
+#define FMT_DPI_POS 0x07
+#define FMT_DBI_POS 0x0A
+#define DBI_DATA_WIDTH_POS 0x0D
+
+/* DPI PIXEL FORMATS */
+#define RGB_565_FMT 0x01 /* RGB 565 FORMAT */
+#define RGB_666_FMT 0x02 /* RGB 666 FORMAT */
+#define LRGB_666_FMT 0x03 /* RGB LOOSELY PACKED
+ * 666 FORMAT
+ */
+#define RGB_888_FMT 0x04 /* RGB 888 FORMAT */
+#define VIRTUAL_CHANNEL_NUMBER_0 0x00 /* Virtual channel 0 */
+#define VIRTUAL_CHANNEL_NUMBER_1 0x01 /* Virtual channel 1 */
+#define VIRTUAL_CHANNEL_NUMBER_2 0x02 /* Virtual channel 2 */
+#define VIRTUAL_CHANNEL_NUMBER_3 0x03 /* Virtual channel 3 */
+
+#define DBI_NOT_SUPPORTED 0x00 /* command mode
+ * is not supported
+ */
+#define DBI_DATA_WIDTH_16BIT 0x01 /* 16 bit data */
+#define DBI_DATA_WIDTH_9BIT 0x02 /* 9 bit data */
+#define DBI_DATA_WIDTH_8BIT 0x03 /* 8 bit data */
+#define DBI_DATA_WIDTH_OPT1 0x04 /* option 1 */
+#define DBI_DATA_WIDTH_OPT2 0x05 /* option 2 */
+
+#define HS_TX_TIMEOUT_REG 0xb010
+#define LP_RX_TIMEOUT_REG 0xb014
+#define TURN_AROUND_TIMEOUT_REG 0xb018
+#define DEVICE_RESET_REG 0xb01C
+#define DPI_RESOLUTION_REG 0xb020
+#define RES_V_POS 0x10
+#define DBI_RESOLUTION_REG 0xb024 /* Reserved for MDFLD */
+#define HORIZ_SYNC_PAD_COUNT_REG 0xb028
+#define HORIZ_BACK_PORCH_COUNT_REG 0xb02C
+#define HORIZ_FRONT_PORCH_COUNT_REG 0xb030
+#define HORIZ_ACTIVE_AREA_COUNT_REG 0xb034
+#define VERT_SYNC_PAD_COUNT_REG 0xb038
+#define VERT_BACK_PORCH_COUNT_REG 0xb03c
+#define VERT_FRONT_PORCH_COUNT_REG 0xb040
+#define HIGH_LOW_SWITCH_COUNT_REG 0xb044
+#define DPI_CONTROL_REG 0xb048
+#define DPI_SHUT_DOWN (1 << 0)
+#define DPI_TURN_ON (1 << 1)
+#define DPI_COLOR_MODE_ON (1 << 2)
+#define DPI_COLOR_MODE_OFF (1 << 3)
+#define DPI_BACK_LIGHT_ON (1 << 4)
+#define DPI_BACK_LIGHT_OFF (1 << 5)
+#define DPI_LP (1 << 6)
+#define DPI_DATA_REG 0xb04c
+#define DPI_BACK_LIGHT_ON_DATA 0x07
+#define DPI_BACK_LIGHT_OFF_DATA 0x17
+#define INIT_COUNT_REG 0xb050
+#define MAX_RET_PAK_REG 0xb054
+#define VIDEO_FMT_REG 0xb058
+#define COMPLETE_LAST_PCKT (1 << 2)
+#define EOT_DISABLE_REG 0xb05c
+#define ENABLE_CLOCK_STOPPING (1 << 1)
+#define LP_BYTECLK_REG 0xb060
+#define LP_GEN_DATA_REG 0xb064
+#define HS_GEN_DATA_REG 0xb068
+#define LP_GEN_CTRL_REG 0xb06C
+#define HS_GEN_CTRL_REG 0xb070
+#define DCS_CHANNEL_NUMBER_POS 0x6
+#define MCS_COMMANDS_POS 0x8
+#define WORD_COUNTS_POS 0x8
+#define MCS_PARAMETER_POS 0x10
+#define GEN_FIFO_STAT_REG 0xb074
+#define HS_DATA_FIFO_FULL (1 << 0)
+#define HS_DATA_FIFO_HALF_EMPTY (1 << 1)
+#define HS_DATA_FIFO_EMPTY (1 << 2)
+#define LP_DATA_FIFO_FULL (1 << 8)
+#define LP_DATA_FIFO_HALF_EMPTY (1 << 9)
+#define LP_DATA_FIFO_EMPTY (1 << 10)
+#define HS_CTRL_FIFO_FULL (1 << 16)
+#define HS_CTRL_FIFO_HALF_EMPTY (1 << 17)
+#define HS_CTRL_FIFO_EMPTY (1 << 18)
+#define LP_CTRL_FIFO_FULL (1 << 24)
+#define LP_CTRL_FIFO_HALF_EMPTY (1 << 25)
+#define LP_CTRL_FIFO_EMPTY (1 << 26)
+#define DBI_FIFO_EMPTY (1 << 27)
+#define DPI_FIFO_EMPTY (1 << 28)
+#define HS_LS_DBI_ENABLE_REG 0xb078
+#define TXCLKESC_REG 0xb07c
+#define DPHY_PARAM_REG 0xb080
+#define DBI_BW_CTRL_REG 0xb084
+#define CLK_LANE_SWT_REG 0xb088
+
+/*
+ * MIPI Adapter registers
+ */
+#define MIPI_CONTROL_REG 0xb104
+#define MIPI_2X_CLOCK_BITS ((1 << 0) | (1 << 1))
+#define MIPI_DATA_ADDRESS_REG 0xb108
+#define MIPI_DATA_LENGTH_REG 0xb10C
+#define MIPI_COMMAND_ADDRESS_REG 0xb110
+#define MIPI_COMMAND_LENGTH_REG 0xb114
+#define MIPI_READ_DATA_RETURN_REG0 0xb118
+#define MIPI_READ_DATA_RETURN_REG1 0xb11C
+#define MIPI_READ_DATA_RETURN_REG2 0xb120
+#define MIPI_READ_DATA_RETURN_REG3 0xb124
+#define MIPI_READ_DATA_RETURN_REG4 0xb128
+#define MIPI_READ_DATA_RETURN_REG5 0xb12C
+#define MIPI_READ_DATA_RETURN_REG6 0xb130
+#define MIPI_READ_DATA_RETURN_REG7 0xb134
+#define MIPI_READ_DATA_VALID_REG 0xb138
+
+/* DBI COMMANDS */
+#define soft_reset 0x01
+/*
+ * The display module performs a software reset.
+ * Registers are written with their SW Reset default values.
+ */
+#define get_power_mode 0x0a
+/*
+ * The display module returns the current power mode
+ */
+#define get_address_mode 0x0b
+/*
+ * The display module returns the current status.
+ */
+#define get_pixel_format 0x0c
+/*
+ * This command gets the pixel format for the RGB image data
+ * used by the interface.
+ */
+#define get_display_mode 0x0d
+/*
+ * The display module returns the Display Image Mode status.
+ */
+#define get_signal_mode 0x0e
+/*
+ * The display module returns the Display Signal Mode.
+ */
+#define get_diagnostic_result 0x0f
+/*
+ * The display module returns the self-diagnostic results following
+ * a Sleep Out command.
+ */
+#define enter_sleep_mode 0x10
+/*
+ * This command causes the display module to enter the Sleep mode.
+ * In this mode, all unnecessary blocks inside the display module are
+ * disabled except interface communication. This is the lowest power
+ * mode the display module supports.
+ */
+#define exit_sleep_mode 0x11
+/*
+ * This command causes the display module to exit Sleep mode.
+ * All blocks inside the display module are enabled.
+ */
+#define enter_partial_mode 0x12
+/*
+ * This command causes the display module to enter the Partial Display
+ * Mode. The Partial Display Mode window is described by the
+ * set_partial_area command.
+ */
+#define enter_normal_mode 0x13
+/*
+ * This command causes the display module to enter the Normal mode.
+ * Normal Mode is defined as Partial Display mode and Scroll mode are off
+ */
+#define exit_invert_mode 0x20
+/*
+ * This command causes the display module to stop inverting the image
+ * data on the display device. The frame memory contents remain unchanged.
+ * No status bits are changed.
+ */
+#define enter_invert_mode 0x21
+/*
+ * This command causes the display module to invert the image data only on
+ * the display device. The frame memory contents remain unchanged.
+ * No status bits are changed.
+ */
+#define set_gamma_curve 0x26
+/*
+ * This command selects the desired gamma curve for the display device.
+ * Four fixed gamma curves are defined in section DCS spec.
+ */
+#define set_display_off 0x28
+/* ************************************************************************* *\
+This command causes the display module to stop displaying the image data
+on the display device. The frame memory contents remain unchanged.
+No status bits are changed.
+\* ************************************************************************* */
+#define set_display_on 0x29
+/* ************************************************************************* *\
+This command causes the display module to start displaying the image data
+on the display device. The frame memory contents remain unchanged.
+No status bits are changed.
+\* ************************************************************************* */
+#define set_column_address 0x2a
+/*
+ * This command defines the column extent of the frame memory accessed by
+ * the hostprocessor with the read_memory_continue and
+ * write_memory_continue commands.
+ * No status bits are changed.
+ */
+#define set_page_addr 0x2b
+/*
+ * This command defines the page extent of the frame memory accessed by
+ * the host processor with the write_memory_continue and
+ * read_memory_continue command.
+ * No status bits are changed.
+ */
+#define write_mem_start 0x2c
+/*
+ * This command transfers image data from the host processor to the
+ * display modules frame memory starting at the pixel location specified
+ * by preceding set_column_address and set_page_address commands.
+ */
+#define set_partial_area 0x30
+/*
+ * This command defines the Partial Display mode s display area.
+ * There are two parameters associated with this command, the first
+ * defines the Start Row (SR) and the second the End Row (ER). SR and ER
+ * refer to the Frame Memory Line Pointer.
+ */
+#define set_scroll_area 0x33
+/*
+ * This command defines the display modules Vertical Scrolling Area.
+ */
+#define set_tear_off 0x34
+/*
+ * This command turns off the display modules Tearing Effect output
+ * signal on the TE signal line.
+ */
+#define set_tear_on 0x35
+/*
+ * This command turns on the display modules Tearing Effect output signal
+ * on the TE signal line.
+ */
+#define set_address_mode 0x36
+/*
+ * This command sets the data order for transfers from the host processor
+ * to display modules frame memory,bits B[7:5] and B3, and from the
+ * display modules frame memory to the display device, bits B[2:0] and B4.
+ */
+#define set_scroll_start 0x37
+/*
+ * This command sets the start of the vertical scrolling area in the frame
+ * memory. The vertical scrolling area is fully defined when this command
+ * is used with the set_scroll_area command The set_scroll_start command
+ * has one parameter, the Vertical Scroll Pointer. The VSP defines the
+ * line in the frame memory that is written to the display device as the
+ * first line of the vertical scroll area.
+ */
+#define exit_idle_mode 0x38
+/*
+ * This command causes the display module to exit Idle mode.
+ */
+#define enter_idle_mode 0x39
+/*
+ * This command causes the display module to enter Idle Mode.
+ * In Idle Mode, color expression is reduced. Colors are shown on the
+ * display device using the MSB of each of the R, G and B color
+ * components in the frame memory
+ */
+#define set_pixel_format 0x3a
+/*
+ * This command sets the pixel format for the RGB image data used by the
+ * interface.
+ * Bits D[6:4] DPI Pixel Format Definition
+ * Bits D[2:0] DBI Pixel Format Definition
+ * Bits D7 and D3 are not used.
+ */
+#define DCS_PIXEL_FORMAT_3bpp 0x1
+#define DCS_PIXEL_FORMAT_8bpp 0x2
+#define DCS_PIXEL_FORMAT_12bpp 0x3
+#define DCS_PIXEL_FORMAT_16bpp 0x5
+#define DCS_PIXEL_FORMAT_18bpp 0x6
+#define DCS_PIXEL_FORMAT_24bpp 0x7
+
+#define write_mem_cont 0x3c
+
+/*
+ * This command transfers image data from the host processor to the
+ * display module's frame memory continuing from the pixel location
+ * following the previous write_memory_continue or write_memory_start
+ * command.
+ */
+#define set_tear_scanline 0x44
+/*
+ * This command turns on the display modules Tearing Effect output signal
+ * on the TE signal line when the display module reaches line N.
+ */
+#define get_scanline 0x45
+/*
+ * The display module returns the current scanline, N, used to update the
+ * display device. The total number of scanlines on a display device is
+ * defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
+ * the first line of V Sync and is denoted as Line 0.
+ * When in Sleep Mode, the value returned by get_scanline is undefined.
+ */
+
+/* MCS or Generic COMMANDS */
+/* MCS/generic data type */
+#define GEN_SHORT_WRITE_0 0x03 /* generic short write, no parameters */
+#define GEN_SHORT_WRITE_1 0x13 /* generic short write, 1 parameters */
+#define GEN_SHORT_WRITE_2 0x23 /* generic short write, 2 parameters */
+#define GEN_READ_0 0x04 /* generic read, no parameters */
+#define GEN_READ_1 0x14 /* generic read, 1 parameters */
+#define GEN_READ_2 0x24 /* generic read, 2 parameters */
+#define GEN_LONG_WRITE 0x29 /* generic long write */
+#define MCS_SHORT_WRITE_0 0x05 /* MCS short write, no parameters */
+#define MCS_SHORT_WRITE_1 0x15 /* MCS short write, 1 parameters */
+#define MCS_READ 0x06 /* MCS read, no parameters */
+#define MCS_LONG_WRITE 0x39 /* MCS long write */
+/* MCS/generic commands */
+/* TPO MCS */
+#define write_display_profile 0x50
+#define write_display_brightness 0x51
+#define write_ctrl_display 0x53
+#define write_ctrl_cabc 0x55
+ #define UI_IMAGE 0x01
+ #define STILL_IMAGE 0x02
+ #define MOVING_IMAGE 0x03
+#define write_hysteresis 0x57
+#define write_gamma_setting 0x58
+#define write_cabc_min_bright 0x5e
+#define write_kbbc_profile 0x60
+/* TMD MCS */
+#define tmd_write_display_brightness 0x8c
+
+/*
+ * This command is used to control ambient light, panel backlight
+ * brightness and gamma settings.
+ */
+#define BRIGHT_CNTL_BLOCK_ON (1 << 5)
+#define AMBIENT_LIGHT_SENSE_ON (1 << 4)
+#define DISPLAY_DIMMING_ON (1 << 3)
+#define BACKLIGHT_ON (1 << 2)
+#define DISPLAY_BRIGHTNESS_AUTO (1 << 1)
+#define GAMMA_AUTO (1 << 0)
+
+/* DCS Interface Pixel Formats */
+#define DCS_PIXEL_FORMAT_3BPP 0x1
+#define DCS_PIXEL_FORMAT_8BPP 0x2
+#define DCS_PIXEL_FORMAT_12BPP 0x3
+#define DCS_PIXEL_FORMAT_16BPP 0x5
+#define DCS_PIXEL_FORMAT_18BPP 0x6
+#define DCS_PIXEL_FORMAT_24BPP 0x7
+/* ONE PARAMETER READ DATA */
+#define addr_mode_data 0xfc
+#define diag_res_data 0x00
+#define disp_mode_data 0x23
+#define pxl_fmt_data 0x77
+#define pwr_mode_data 0x74
+#define sig_mode_data 0x00
+/* TWO PARAMETERS READ DATA */
+#define scanline_data1 0xff
+#define scanline_data2 0xff
+#define NON_BURST_MODE_SYNC_PULSE 0x01 /* Non Burst Mode
+ * with Sync Pulse
+ */
+#define NON_BURST_MODE_SYNC_EVENTS 0x02 /* Non Burst Mode
+ * with Sync events
+ */
+#define BURST_MODE 0x03 /* Burst Mode */
+#define DBI_COMMAND_BUFFER_SIZE 0x240 /* 0x32 */ /* 0x120 */
+ /* Allocate at least
+ * 0x100 Byte with 32
+ * byte alignment
+ */
+#define DBI_DATA_BUFFER_SIZE 0x120 /* Allocate at least
+ * 0x100 Byte with 32
+ * byte alignment
+ */
+#define DBI_CB_TIME_OUT 0xFFFF
+
+#define GEN_FB_TIME_OUT 2000
+
+#define SKU_83 0x01
+#define SKU_100 0x02
+#define SKU_100L 0x04
+#define SKU_BYPASS 0x08
+
+/* Some handy macros for playing with bitfields. */
+#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
+#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
+#define GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT)
+
+#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
+
+/* PCI config space */
+
+#define SB_PCKT 0x02100 /* cedarview */
+# define SB_OPCODE_MASK PSB_MASK(31, 16)
+# define SB_OPCODE_SHIFT 16
+# define SB_OPCODE_READ 0
+# define SB_OPCODE_WRITE 1
+# define SB_DEST_MASK PSB_MASK(15, 8)
+# define SB_DEST_SHIFT 8
+# define SB_DEST_DPLL 0x88
+# define SB_BYTE_ENABLE_MASK PSB_MASK(7, 4)
+# define SB_BYTE_ENABLE_SHIFT 4
+# define SB_BUSY (1 << 0)
+
+#define DSPCLK_GATE_D 0x6200
+# define VRHUNIT_CLOCK_GATE_DISABLE (1 << 28) /* Fixed value on CDV */
+# define DPOUNIT_CLOCK_GATE_DISABLE (1 << 11)
+# define DPIOUNIT_CLOCK_GATE_DISABLE (1 << 6)
+# define DPUNIT_PIPEB_GATE_DISABLE (1 << 30)
+# define DPUNIT_PIPEA_GATE_DISABLE (1 << 25)
+# define DPCUNIT_CLOCK_GATE_DISABLE (1 << 24)
+# define DPLSUNIT_CLOCK_GATE_DISABLE (1 << 13)
+
+#define RAMCLK_GATE_D 0x6210
+
+/* 32-bit value read/written from the DPIO reg. */
+#define SB_DATA 0x02104 /* cedarview */
+/* 32-bit address of the DPIO reg to be read/written. */
+#define SB_ADDR 0x02108 /* cedarview */
+#define DPIO_CFG 0x02110 /* cedarview */
+# define DPIO_MODE_SELECT_1 (1 << 3)
+# define DPIO_MODE_SELECT_0 (1 << 2)
+# define DPIO_SFR_BYPASS (1 << 1)
+/* reset is active low */
+# define DPIO_CMN_RESET_N (1 << 0)
+
+/* Cedarview sideband registers */
+#define _SB_M_A 0x8008
+#define _SB_M_B 0x8028
+#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
+# define SB_M_DIVIDER_MASK (0xFF << 24)
+# define SB_M_DIVIDER_SHIFT 24
+
+#define _SB_N_VCO_A 0x8014
+#define _SB_N_VCO_B 0x8034
+#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
+#define SB_N_VCO_SEL_MASK PSB_MASK(31, 30)
+#define SB_N_VCO_SEL_SHIFT 30
+#define SB_N_DIVIDER_MASK PSB_MASK(29, 26)
+#define SB_N_DIVIDER_SHIFT 26
+#define SB_N_CB_TUNE_MASK PSB_MASK(25, 24)
+#define SB_N_CB_TUNE_SHIFT 24
+
+/* the bit 14:13 is used to select between the different reference clock for Pipe A/B */
+#define SB_REF_DPLLA 0x8010
+#define SB_REF_DPLLB 0x8030
+#define REF_CLK_MASK (0x3 << 13)
+#define REF_CLK_CORE (0 << 13)
+#define REF_CLK_DPLL (1 << 13)
+#define REF_CLK_DPLLA (2 << 13)
+/* For the DPLL B, it will use the reference clk from DPLL A when using (2 << 13) */
+
+#define _SB_REF_A 0x8018
+#define _SB_REF_B 0x8038
+#define SB_REF_SFR(pipe) _PIPE(pipe, _SB_REF_A, _SB_REF_B)
+
+#define _SB_P_A 0x801c
+#define _SB_P_B 0x803c
+#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
+#define SB_P2_DIVIDER_MASK PSB_MASK(31, 30)
+#define SB_P2_DIVIDER_SHIFT 30
+#define SB_P2_10 0 /* HDMI, DP, DAC */
+#define SB_P2_5 1 /* DAC */
+#define SB_P2_14 2 /* LVDS single */
+#define SB_P2_7 3 /* LVDS double */
+#define SB_P1_DIVIDER_MASK PSB_MASK(15, 12)
+#define SB_P1_DIVIDER_SHIFT 12
+
+#define PSB_LANE0 0x120
+#define PSB_LANE1 0x220
+#define PSB_LANE2 0x2320
+#define PSB_LANE3 0x2420
+
+#define LANE_PLL_MASK (0x7 << 20)
+#define LANE_PLL_ENABLE (0x3 << 20)
+#define LANE_PLL_PIPE(p) (((p) == 0) ? (1 << 21) : (0 << 21))
+
+#define DP_B 0x64100
+#define DP_C 0x64200
+
+#define DP_PORT_EN (1 << 31)
+#define DP_PIPEB_SELECT (1 << 30)
+#define DP_PIPE_MASK (1 << 30)
+
+/* Link training mode - select a suitable mode for each stage */
+#define DP_LINK_TRAIN_PAT_1 (0 << 28)
+#define DP_LINK_TRAIN_PAT_2 (1 << 28)
+#define DP_LINK_TRAIN_PAT_IDLE (2 << 28)
+#define DP_LINK_TRAIN_OFF (3 << 28)
+#define DP_LINK_TRAIN_MASK (3 << 28)
+#define DP_LINK_TRAIN_SHIFT 28
+
+/* Signal voltages. These are mostly controlled by the other end */
+#define DP_VOLTAGE_0_4 (0 << 25)
+#define DP_VOLTAGE_0_6 (1 << 25)
+#define DP_VOLTAGE_0_8 (2 << 25)
+#define DP_VOLTAGE_1_2 (3 << 25)
+#define DP_VOLTAGE_MASK (7 << 25)
+#define DP_VOLTAGE_SHIFT 25
+
+/* Signal pre-emphasis levels, like voltages, the other end tells us what
+ * they want
+ */
+#define DP_PRE_EMPHASIS_0 (0 << 22)
+#define DP_PRE_EMPHASIS_3_5 (1 << 22)
+#define DP_PRE_EMPHASIS_6 (2 << 22)
+#define DP_PRE_EMPHASIS_9_5 (3 << 22)
+#define DP_PRE_EMPHASIS_MASK (7 << 22)
+#define DP_PRE_EMPHASIS_SHIFT 22
+
+/* How many wires to use. I guess 3 was too hard */
+#define DP_PORT_WIDTH_1 (0 << 19)
+#define DP_PORT_WIDTH_2 (1 << 19)
+#define DP_PORT_WIDTH_4 (3 << 19)
+#define DP_PORT_WIDTH_MASK (7 << 19)
+
+/* Mystic DPCD version 1.1 special mode */
+#define DP_ENHANCED_FRAMING (1 << 18)
+
+/** locked once port is enabled */
+#define DP_PORT_REVERSAL (1 << 15)
+
+/** sends the clock on lane 15 of the PEG for debug */
+#define DP_CLOCK_OUTPUT_ENABLE (1 << 13)
+
+#define DP_SCRAMBLING_DISABLE (1 << 12)
+#define DP_SCRAMBLING_DISABLE_IRONLAKE (1 << 7)
+
+/** limit RGB values to avoid confusing TVs */
+#define DP_COLOR_RANGE_16_235 (1 << 8)
+
+/** Turn on the audio link */
+#define DP_AUDIO_OUTPUT_ENABLE (1 << 6)
+
+/** vs and hs sync polarity */
+#define DP_SYNC_VS_HIGH (1 << 4)
+#define DP_SYNC_HS_HIGH (1 << 3)
+
+/** A fantasy */
+#define DP_DETECTED (1 << 2)
+
+/** The aux channel provides a way to talk to the
+ * signal sink for DDC etc. Max packet size supported
+ * is 20 bytes in each direction, hence the 5 fixed
+ * data registers
+ */
+#define DPB_AUX_CH_CTL 0x64110
+#define DPB_AUX_CH_DATA1 0x64114
+#define DPB_AUX_CH_DATA2 0x64118
+#define DPB_AUX_CH_DATA3 0x6411c
+#define DPB_AUX_CH_DATA4 0x64120
+#define DPB_AUX_CH_DATA5 0x64124
+
+#define DPC_AUX_CH_CTL 0x64210
+#define DPC_AUX_CH_DATA1 0x64214
+#define DPC_AUX_CH_DATA2 0x64218
+#define DPC_AUX_CH_DATA3 0x6421c
+#define DPC_AUX_CH_DATA4 0x64220
+#define DPC_AUX_CH_DATA5 0x64224
+
+#define DP_AUX_CH_CTL_SEND_BUSY (1 << 31)
+#define DP_AUX_CH_CTL_DONE (1 << 30)
+#define DP_AUX_CH_CTL_INTERRUPT (1 << 29)
+#define DP_AUX_CH_CTL_TIME_OUT_ERROR (1 << 28)
+#define DP_AUX_CH_CTL_TIME_OUT_400us (0 << 26)
+#define DP_AUX_CH_CTL_TIME_OUT_600us (1 << 26)
+#define DP_AUX_CH_CTL_TIME_OUT_800us (2 << 26)
+#define DP_AUX_CH_CTL_TIME_OUT_1600us (3 << 26)
+#define DP_AUX_CH_CTL_TIME_OUT_MASK (3 << 26)
+#define DP_AUX_CH_CTL_RECEIVE_ERROR (1 << 25)
+#define DP_AUX_CH_CTL_MESSAGE_SIZE_MASK (0x1f << 20)
+#define DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT 20
+#define DP_AUX_CH_CTL_PRECHARGE_2US_MASK (0xf << 16)
+#define DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT 16
+#define DP_AUX_CH_CTL_AUX_AKSV_SELECT (1 << 15)
+#define DP_AUX_CH_CTL_MANCHESTER_TEST (1 << 14)
+#define DP_AUX_CH_CTL_SYNC_TEST (1 << 13)
+#define DP_AUX_CH_CTL_DEGLITCH_TEST (1 << 12)
+#define DP_AUX_CH_CTL_PRECHARGE_TEST (1 << 11)
+#define DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK (0x7ff)
+#define DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT 0
+
+/*
+ * Computing GMCH M and N values for the Display Port link
+ *
+ * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
+ *
+ * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
+ *
+ * The GMCH value is used internally
+ *
+ * bytes_per_pixel is the number of bytes coming out of the plane,
+ * which is after the LUTs, so we want the bytes for our color format.
+ * For our current usage, this is always 3, one byte for R, G and B.
+ */
+
+#define _PIPEA_GMCH_DATA_M 0x70050
+#define _PIPEB_GMCH_DATA_M 0x71050
+
+/* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
+#define PIPE_GMCH_DATA_M_TU_SIZE_MASK (0x3f << 25)
+#define PIPE_GMCH_DATA_M_TU_SIZE_SHIFT 25
+
+#define PIPE_GMCH_DATA_M_MASK (0xffffff)
+
+#define _PIPEA_GMCH_DATA_N 0x70054
+#define _PIPEB_GMCH_DATA_N 0x71054
+#define PIPE_GMCH_DATA_N_MASK (0xffffff)
+
+/*
+ * Computing Link M and N values for the Display Port link
+ *
+ * Link M / N = pixel_clock / ls_clk
+ *
+ * (the DP spec calls pixel_clock the 'strm_clk')
+ *
+ * The Link value is transmitted in the Main Stream
+ * Attributes and VB-ID.
+ */
+
+#define _PIPEA_DP_LINK_M 0x70060
+#define _PIPEB_DP_LINK_M 0x71060
+#define PIPEA_DP_LINK_M_MASK (0xffffff)
+
+#define _PIPEA_DP_LINK_N 0x70064
+#define _PIPEB_DP_LINK_N 0x71064
+#define PIPEA_DP_LINK_N_MASK (0xffffff)
+
+#define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
+#define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
+#define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M)
+#define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N)
+
+#define PIPE_BPC_MASK (7 << 5)
+#define PIPE_8BPC (0 << 5)
+#define PIPE_10BPC (1 << 5)
+#define PIPE_6BPC (2 << 5)
+
+#endif
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
new file mode 100644
index 0000000..58529ce
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -0,0 +1,2594 @@
+/*
+ * Copyright 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright © 2006-2007 Intel Corporation
+ * Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_edid.h>
+#include "psb_intel_drv.h"
+#include <drm/gma_drm.h>
+#include "psb_drv.h"
+#include "psb_intel_sdvo_regs.h"
+#include "psb_intel_reg.h"
+
+#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
+#define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
+#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
+#define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0)
+
+#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
+ SDVO_TV_MASK)
+
+#define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
+#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
+#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
+#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
+
+
+static const char *tv_format_names[] = {
+ "NTSC_M" , "NTSC_J" , "NTSC_443",
+ "PAL_B" , "PAL_D" , "PAL_G" ,
+ "PAL_H" , "PAL_I" , "PAL_M" ,
+ "PAL_N" , "PAL_NC" , "PAL_60" ,
+ "SECAM_B" , "SECAM_D" , "SECAM_G" ,
+ "SECAM_K" , "SECAM_K1", "SECAM_L" ,
+ "SECAM_60"
+};
+
+#define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
+
+struct psb_intel_sdvo {
+ struct gma_encoder base;
+
+ struct i2c_adapter *i2c;
+ u8 slave_addr;
+
+ struct i2c_adapter ddc;
+
+ /* Register for the SDVO device: SDVOB or SDVOC */
+ int sdvo_reg;
+
+ /* Active outputs controlled by this SDVO output */
+ uint16_t controlled_output;
+
+ /*
+ * Capabilities of the SDVO device returned by
+ * i830_sdvo_get_capabilities()
+ */
+ struct psb_intel_sdvo_caps caps;
+
+ /* Pixel clock limitations reported by the SDVO device, in kHz */
+ int pixel_clock_min, pixel_clock_max;
+
+ /*
+ * For multiple function SDVO device,
+ * this is for current attached outputs.
+ */
+ uint16_t attached_output;
+
+ /**
+ * This is used to select the color range of RBG outputs in HDMI mode.
+ * It is only valid when using TMDS encoding and 8 bit per color mode.
+ */
+ uint32_t color_range;
+
+ /**
+ * This is set if we're going to treat the device as TV-out.
+ *
+ * While we have these nice friendly flags for output types that ought
+ * to decide this for us, the S-Video output on our HDMI+S-Video card
+ * shows up as RGB1 (VGA).
+ */
+ bool is_tv;
+
+ /* This is for current tv format name */
+ int tv_format_index;
+
+ /**
+ * This is set if we treat the device as HDMI, instead of DVI.
+ */
+ bool is_hdmi;
+ bool has_hdmi_monitor;
+ bool has_hdmi_audio;
+
+ /**
+ * This is set if we detect output of sdvo device as LVDS and
+ * have a valid fixed mode to use with the panel.
+ */
+ bool is_lvds;
+
+ /**
+ * This is sdvo fixed pannel mode pointer
+ */
+ struct drm_display_mode *sdvo_lvds_fixed_mode;
+
+ /* DDC bus used by this SDVO encoder */
+ uint8_t ddc_bus;
+
+ /* Input timings for adjusted_mode */
+ struct psb_intel_sdvo_dtd input_dtd;
+
+ /* Saved SDVO output states */
+ uint32_t saveSDVO; /* Can be SDVOB or SDVOC depending on sdvo_reg */
+};
+
+struct psb_intel_sdvo_connector {
+ struct gma_connector base;
+
+ /* Mark the type of connector */
+ uint16_t output_flag;
+
+ int force_audio;
+
+ /* This contains all current supported TV format */
+ u8 tv_format_supported[TV_FORMAT_NUM];
+ int format_supported_num;
+ struct drm_property *tv_format;
+
+ /* add the property for the SDVO-TV */
+ struct drm_property *left;
+ struct drm_property *right;
+ struct drm_property *top;
+ struct drm_property *bottom;
+ struct drm_property *hpos;
+ struct drm_property *vpos;
+ struct drm_property *contrast;
+ struct drm_property *saturation;
+ struct drm_property *hue;
+ struct drm_property *sharpness;
+ struct drm_property *flicker_filter;
+ struct drm_property *flicker_filter_adaptive;
+ struct drm_property *flicker_filter_2d;
+ struct drm_property *tv_chroma_filter;
+ struct drm_property *tv_luma_filter;
+ struct drm_property *dot_crawl;
+
+ /* add the property for the SDVO-TV/LVDS */
+ struct drm_property *brightness;
+
+ /* Add variable to record current setting for the above property */
+ u32 left_margin, right_margin, top_margin, bottom_margin;
+
+ /* this is to get the range of margin.*/
+ u32 max_hscan, max_vscan;
+ u32 max_hpos, cur_hpos;
+ u32 max_vpos, cur_vpos;
+ u32 cur_brightness, max_brightness;
+ u32 cur_contrast, max_contrast;
+ u32 cur_saturation, max_saturation;
+ u32 cur_hue, max_hue;
+ u32 cur_sharpness, max_sharpness;
+ u32 cur_flicker_filter, max_flicker_filter;
+ u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
+ u32 cur_flicker_filter_2d, max_flicker_filter_2d;
+ u32 cur_tv_chroma_filter, max_tv_chroma_filter;
+ u32 cur_tv_luma_filter, max_tv_luma_filter;
+ u32 cur_dot_crawl, max_dot_crawl;
+};
+
+static struct psb_intel_sdvo *to_psb_intel_sdvo(struct drm_encoder *encoder)
+{
+ return container_of(encoder, struct psb_intel_sdvo, base.base);
+}
+
+static struct psb_intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
+{
+ return container_of(gma_attached_encoder(connector),
+ struct psb_intel_sdvo, base);
+}
+
+static struct psb_intel_sdvo_connector *to_psb_intel_sdvo_connector(struct drm_connector *connector)
+{
+ return container_of(to_gma_connector(connector), struct psb_intel_sdvo_connector, base);
+}
+
+static bool
+psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags);
+static bool
+psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
+ int type);
+static bool
+psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector);
+
+/**
+ * Writes the SDVOB or SDVOC with the given value, but always writes both
+ * SDVOB and SDVOC to work around apparent hardware issues (according to
+ * comments in the BIOS).
+ */
+static void psb_intel_sdvo_write_sdvox(struct psb_intel_sdvo *psb_intel_sdvo, u32 val)
+{
+ struct drm_device *dev = psb_intel_sdvo->base.base.dev;
+ u32 bval = val, cval = val;
+ int i, j;
+ int need_aux = IS_MRST(dev) ? 1 : 0;
+
+ for (j = 0; j <= need_aux; j++) {
+ if (psb_intel_sdvo->sdvo_reg == SDVOB)
+ cval = REG_READ_WITH_AUX(SDVOC, j);
+ else
+ bval = REG_READ_WITH_AUX(SDVOB, j);
+
+ /*
+ * Write the registers twice for luck. Sometimes,
+ * writing them only once doesn't appear to 'stick'.
+ * The BIOS does this too. Yay, magic
+ */
+ for (i = 0; i < 2; i++) {
+ REG_WRITE_WITH_AUX(SDVOB, bval, j);
+ REG_READ_WITH_AUX(SDVOB, j);
+ REG_WRITE_WITH_AUX(SDVOC, cval, j);
+ REG_READ_WITH_AUX(SDVOC, j);
+ }
+ }
+}
+
+static bool psb_intel_sdvo_read_byte(struct psb_intel_sdvo *psb_intel_sdvo, u8 addr, u8 *ch)
+{
+ struct i2c_msg msgs[] = {
+ {
+ .addr = psb_intel_sdvo->slave_addr,
+ .flags = 0,
+ .len = 1,
+ .buf = &addr,
+ },
+ {
+ .addr = psb_intel_sdvo->slave_addr,
+ .flags = I2C_M_RD,
+ .len = 1,
+ .buf = ch,
+ }
+ };
+ int ret;
+
+ if ((ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, 2)) == 2)
+ return true;
+
+ DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
+ return false;
+}
+
+#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
+/** Mapping of command numbers to names, for debug output */
+static const struct _sdvo_cmd_name {
+ u8 cmd;
+ const char *name;
+} sdvo_cmd_names[] = {
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
+
+ /* Add the op code for SDVO enhancements */
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
+
+ /* HDMI op code */
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
+ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
+};
+
+#define IS_SDVOB(reg) (reg == SDVOB)
+#define SDVO_NAME(svdo) (IS_SDVOB((svdo)->sdvo_reg) ? "SDVOB" : "SDVOC")
+
+static void psb_intel_sdvo_debug_write(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
+ const void *args, int args_len)
+{
+ int i;
+
+ DRM_DEBUG_KMS("%s: W: %02X ",
+ SDVO_NAME(psb_intel_sdvo), cmd);
+ for (i = 0; i < args_len; i++)
+ DRM_DEBUG_KMS("%02X ", ((u8 *)args)[i]);
+ for (; i < 8; i++)
+ DRM_DEBUG_KMS(" ");
+ for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
+ if (cmd == sdvo_cmd_names[i].cmd) {
+ DRM_DEBUG_KMS("(%s)", sdvo_cmd_names[i].name);
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(sdvo_cmd_names))
+ DRM_DEBUG_KMS("(%02X)", cmd);
+ DRM_DEBUG_KMS("\n");
+}
+
+static const char *cmd_status_names[] = {
+ "Power on",
+ "Success",
+ "Not supported",
+ "Invalid arg",
+ "Pending",
+ "Target not specified",
+ "Scaling not supported"
+};
+
+static bool psb_intel_sdvo_write_cmd(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
+ const void *args, int args_len)
+{
+ u8 buf[args_len*2 + 2], status;
+ struct i2c_msg msgs[args_len + 3];
+ int i, ret;
+
+ psb_intel_sdvo_debug_write(psb_intel_sdvo, cmd, args, args_len);
+
+ for (i = 0; i < args_len; i++) {
+ msgs[i].addr = psb_intel_sdvo->slave_addr;
+ msgs[i].flags = 0;
+ msgs[i].len = 2;
+ msgs[i].buf = buf + 2 *i;
+ buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
+ buf[2*i + 1] = ((u8*)args)[i];
+ }
+ msgs[i].addr = psb_intel_sdvo->slave_addr;
+ msgs[i].flags = 0;
+ msgs[i].len = 2;
+ msgs[i].buf = buf + 2*i;
+ buf[2*i + 0] = SDVO_I2C_OPCODE;
+ buf[2*i + 1] = cmd;
+
+ /* the following two are to read the response */
+ status = SDVO_I2C_CMD_STATUS;
+ msgs[i+1].addr = psb_intel_sdvo->slave_addr;
+ msgs[i+1].flags = 0;
+ msgs[i+1].len = 1;
+ msgs[i+1].buf = &status;
+
+ msgs[i+2].addr = psb_intel_sdvo->slave_addr;
+ msgs[i+2].flags = I2C_M_RD;
+ msgs[i+2].len = 1;
+ msgs[i+2].buf = &status;
+
+ ret = i2c_transfer(psb_intel_sdvo->i2c, msgs, i+3);
+ if (ret < 0) {
+ DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
+ return false;
+ }
+ if (ret != i+3) {
+ /* failure in I2C transfer */
+ DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
+ return false;
+ }
+
+ return true;
+}
+
+static bool psb_intel_sdvo_read_response(struct psb_intel_sdvo *psb_intel_sdvo,
+ void *response, int response_len)
+{
+ u8 retry = 5;
+ u8 status;
+ int i;
+
+ DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(psb_intel_sdvo));
+
+ /*
+ * The documentation states that all commands will be
+ * processed within 15µs, and that we need only poll
+ * the status byte a maximum of 3 times in order for the
+ * command to be complete.
+ *
+ * Check 5 times in case the hardware failed to read the docs.
+ */
+ if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
+ SDVO_I2C_CMD_STATUS,
+ &status))
+ goto log_fail;
+
+ while ((status == SDVO_CMD_STATUS_PENDING ||
+ status == SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED) && retry--) {
+ udelay(15);
+ if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
+ SDVO_I2C_CMD_STATUS,
+ &status))
+ goto log_fail;
+ }
+
+ if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
+ DRM_DEBUG_KMS("(%s)", cmd_status_names[status]);
+ else
+ DRM_DEBUG_KMS("(??? %d)", status);
+
+ if (status != SDVO_CMD_STATUS_SUCCESS)
+ goto log_fail;
+
+ /* Read the command response */
+ for (i = 0; i < response_len; i++) {
+ if (!psb_intel_sdvo_read_byte(psb_intel_sdvo,
+ SDVO_I2C_RETURN_0 + i,
+ &((u8 *)response)[i]))
+ goto log_fail;
+ DRM_DEBUG_KMS(" %02X", ((u8 *)response)[i]);
+ }
+ DRM_DEBUG_KMS("\n");
+ return true;
+
+log_fail:
+ DRM_DEBUG_KMS("... failed\n");
+ return false;
+}
+
+static int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
+{
+ if (mode->clock >= 100000)
+ return 1;
+ else if (mode->clock >= 50000)
+ return 2;
+ else
+ return 4;
+}
+
+static bool psb_intel_sdvo_set_control_bus_switch(struct psb_intel_sdvo *psb_intel_sdvo,
+ u8 ddc_bus)
+{
+ /* This must be the immediately preceding write before the i2c xfer */
+ return psb_intel_sdvo_write_cmd(psb_intel_sdvo,
+ SDVO_CMD_SET_CONTROL_BUS_SWITCH,
+ &ddc_bus, 1);
+}
+
+static bool psb_intel_sdvo_set_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, const void *data, int len)
+{
+ if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, data, len))
+ return false;
+
+ return psb_intel_sdvo_read_response(psb_intel_sdvo, NULL, 0);
+}
+
+static bool
+psb_intel_sdvo_get_value(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd, void *value, int len)
+{
+ if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo, cmd, NULL, 0))
+ return false;
+
+ return psb_intel_sdvo_read_response(psb_intel_sdvo, value, len);
+}
+
+static bool psb_intel_sdvo_set_target_input(struct psb_intel_sdvo *psb_intel_sdvo)
+{
+ struct psb_intel_sdvo_set_target_input_args targets = {0};
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_TARGET_INPUT,
+ &targets, sizeof(targets));
+}
+
+/**
+ * Return whether each input is trained.
+ *
+ * This function is making an assumption about the layout of the response,
+ * which should be checked against the docs.
+ */
+static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_sdvo *psb_intel_sdvo, bool *input_1, bool *input_2)
+{
+ struct psb_intel_sdvo_get_trained_inputs_response response;
+
+ BUILD_BUG_ON(sizeof(response) != 1);
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
+ &response, sizeof(response)))
+ return false;
+
+ *input_1 = response.input0_trained;
+ *input_2 = response.input1_trained;
+ return true;
+}
+
+static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_sdvo *psb_intel_sdvo,
+ u16 outputs)
+{
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_ACTIVE_OUTPUTS,
+ &outputs, sizeof(outputs));
+}
+
+static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_sdvo *psb_intel_sdvo,
+ int mode)
+{
+ u8 state = SDVO_ENCODER_STATE_ON;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ state = SDVO_ENCODER_STATE_ON;
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ state = SDVO_ENCODER_STATE_STANDBY;
+ break;
+ case DRM_MODE_DPMS_SUSPEND:
+ state = SDVO_ENCODER_STATE_SUSPEND;
+ break;
+ case DRM_MODE_DPMS_OFF:
+ state = SDVO_ENCODER_STATE_OFF;
+ break;
+ }
+
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
+}
+
+static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_sdvo *psb_intel_sdvo,
+ int *clock_min,
+ int *clock_max)
+{
+ struct psb_intel_sdvo_pixel_clock_range clocks;
+
+ BUILD_BUG_ON(sizeof(clocks) != 4);
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
+ &clocks, sizeof(clocks)))
+ return false;
+
+ /* Convert the values from units of 10 kHz to kHz. */
+ *clock_min = clocks.min * 10;
+ *clock_max = clocks.max * 10;
+ return true;
+}
+
+static bool psb_intel_sdvo_set_target_output(struct psb_intel_sdvo *psb_intel_sdvo,
+ u16 outputs)
+{
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_TARGET_OUTPUT,
+ &outputs, sizeof(outputs));
+}
+
+static bool psb_intel_sdvo_set_timing(struct psb_intel_sdvo *psb_intel_sdvo, u8 cmd,
+ struct psb_intel_sdvo_dtd *dtd)
+{
+ return psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
+ psb_intel_sdvo_set_value(psb_intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
+}
+
+static bool psb_intel_sdvo_set_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_dtd *dtd)
+{
+ return psb_intel_sdvo_set_timing(psb_intel_sdvo,
+ SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
+}
+
+static bool psb_intel_sdvo_set_output_timing(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_dtd *dtd)
+{
+ return psb_intel_sdvo_set_timing(psb_intel_sdvo,
+ SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
+}
+
+static bool
+psb_intel_sdvo_create_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
+ uint16_t clock,
+ uint16_t width,
+ uint16_t height)
+{
+ struct psb_intel_sdvo_preferred_input_timing_args args;
+
+ memset(&args, 0, sizeof(args));
+ args.clock = clock;
+ args.width = width;
+ args.height = height;
+ args.interlace = 0;
+
+ if (psb_intel_sdvo->is_lvds &&
+ (psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
+ psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
+ args.scaled = 1;
+
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
+ &args, sizeof(args));
+}
+
+static bool psb_intel_sdvo_get_preferred_input_timing(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_dtd *dtd)
+{
+ BUILD_BUG_ON(sizeof(dtd->part1) != 8);
+ BUILD_BUG_ON(sizeof(dtd->part2) != 8);
+ return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
+ &dtd->part1, sizeof(dtd->part1)) &&
+ psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
+ &dtd->part2, sizeof(dtd->part2));
+}
+
+static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_sdvo *psb_intel_sdvo, u8 val)
+{
+ return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
+}
+
+static void psb_intel_sdvo_get_dtd_from_mode(struct psb_intel_sdvo_dtd *dtd,
+ const struct drm_display_mode *mode)
+{
+ uint16_t width, height;
+ uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
+ uint16_t h_sync_offset, v_sync_offset;
+
+ width = mode->crtc_hdisplay;
+ height = mode->crtc_vdisplay;
+
+ /* do some mode translations */
+ h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
+ h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
+
+ v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
+ v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
+
+ h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
+ v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
+
+ dtd->part1.clock = mode->clock / 10;
+ dtd->part1.h_active = width & 0xff;
+ dtd->part1.h_blank = h_blank_len & 0xff;
+ dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
+ ((h_blank_len >> 8) & 0xf);
+ dtd->part1.v_active = height & 0xff;
+ dtd->part1.v_blank = v_blank_len & 0xff;
+ dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
+ ((v_blank_len >> 8) & 0xf);
+
+ dtd->part2.h_sync_off = h_sync_offset & 0xff;
+ dtd->part2.h_sync_width = h_sync_len & 0xff;
+ dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
+ (v_sync_len & 0xf);
+ dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
+ ((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
+ ((v_sync_len & 0x30) >> 4);
+
+ dtd->part2.dtd_flags = 0x18;
+ if (mode->flags & DRM_MODE_FLAG_PHSYNC)
+ dtd->part2.dtd_flags |= 0x2;
+ if (mode->flags & DRM_MODE_FLAG_PVSYNC)
+ dtd->part2.dtd_flags |= 0x4;
+
+ dtd->part2.sdvo_flags = 0;
+ dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
+ dtd->part2.reserved = 0;
+}
+
+static void psb_intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
+ const struct psb_intel_sdvo_dtd *dtd)
+{
+ mode->hdisplay = dtd->part1.h_active;
+ mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
+ mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
+ mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
+ mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
+ mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
+ mode->htotal = mode->hdisplay + dtd->part1.h_blank;
+ mode->htotal += (dtd->part1.h_high & 0xf) << 8;
+
+ mode->vdisplay = dtd->part1.v_active;
+ mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
+ mode->vsync_start = mode->vdisplay;
+ mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
+ mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
+ mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
+ mode->vsync_end = mode->vsync_start +
+ (dtd->part2.v_sync_off_width & 0xf);
+ mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
+ mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
+ mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
+
+ mode->clock = dtd->part1.clock * 10;
+
+ mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
+ if (dtd->part2.dtd_flags & 0x2)
+ mode->flags |= DRM_MODE_FLAG_PHSYNC;
+ if (dtd->part2.dtd_flags & 0x4)
+ mode->flags |= DRM_MODE_FLAG_PVSYNC;
+}
+
+static bool psb_intel_sdvo_check_supp_encode(struct psb_intel_sdvo *psb_intel_sdvo)
+{
+ struct psb_intel_sdvo_encode encode;
+
+ BUILD_BUG_ON(sizeof(encode) != 2);
+ return psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_SUPP_ENCODE,
+ &encode, sizeof(encode));
+}
+
+static bool psb_intel_sdvo_set_encode(struct psb_intel_sdvo *psb_intel_sdvo,
+ uint8_t mode)
+{
+ return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
+}
+
+static bool psb_intel_sdvo_set_colorimetry(struct psb_intel_sdvo *psb_intel_sdvo,
+ uint8_t mode)
+{
+ return psb_intel_sdvo_set_value(psb_intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
+}
+
+#if 0
+static void psb_intel_sdvo_dump_hdmi_buf(struct psb_intel_sdvo *psb_intel_sdvo)
+{
+ int i, j;
+ uint8_t set_buf_index[2];
+ uint8_t av_split;
+ uint8_t buf_size;
+ uint8_t buf[48];
+ uint8_t *pos;
+
+ psb_intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
+
+ for (i = 0; i <= av_split; i++) {
+ set_buf_index[0] = i; set_buf_index[1] = 0;
+ psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
+ set_buf_index, 2);
+ psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
+ psb_intel_sdvo_read_response(encoder, &buf_size, 1);
+
+ pos = buf;
+ for (j = 0; j <= buf_size; j += 8) {
+ psb_intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
+ NULL, 0);
+ psb_intel_sdvo_read_response(encoder, pos, 8);
+ pos += 8;
+ }
+ }
+}
+#endif
+
+static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sdvo)
+{
+ DRM_INFO("HDMI is not supported yet");
+
+ return false;
+#if 0
+ struct dip_infoframe avi_if = {
+ .type = DIP_TYPE_AVI,
+ .ver = DIP_VERSION_AVI,
+ .len = DIP_LEN_AVI,
+ };
+ uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
+ uint8_t set_buf_index[2] = { 1, 0 };
+ uint64_t *data = (uint64_t *)&avi_if;
+ unsigned i;
+
+ intel_dip_infoframe_csum(&avi_if);
+
+ if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_HBUF_INDEX,
+ set_buf_index, 2))
+ return false;
+
+ for (i = 0; i < sizeof(avi_if); i += 8) {
+ if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_HBUF_DATA,
+ data, 8))
+ return false;
+ data++;
+ }
+
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_HBUF_TXRATE,
+ &tx_rate, 1);
+#endif
+}
+
+static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
+{
+ struct psb_intel_sdvo_tv_format format;
+ uint32_t format_map;
+
+ format_map = 1 << psb_intel_sdvo->tv_format_index;
+ memset(&format, 0, sizeof(format));
+ memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
+
+ BUILD_BUG_ON(sizeof(format) != 6);
+ return psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_TV_FORMAT,
+ &format, sizeof(format));
+}
+
+static bool
+psb_intel_sdvo_set_output_timings_from_mode(struct psb_intel_sdvo *psb_intel_sdvo,
+ const struct drm_display_mode *mode)
+{
+ struct psb_intel_sdvo_dtd output_dtd;
+
+ if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
+ psb_intel_sdvo->attached_output))
+ return false;
+
+ psb_intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
+ if (!psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &output_dtd))
+ return false;
+
+ return true;
+}
+
+static bool
+psb_intel_sdvo_set_input_timings_for_mode(struct psb_intel_sdvo *psb_intel_sdvo,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* Reset the input timing to the screen. Assume always input 0. */
+ if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
+ return false;
+
+ if (!psb_intel_sdvo_create_preferred_input_timing(psb_intel_sdvo,
+ mode->clock / 10,
+ mode->hdisplay,
+ mode->vdisplay))
+ return false;
+
+ if (!psb_intel_sdvo_get_preferred_input_timing(psb_intel_sdvo,
+ &psb_intel_sdvo->input_dtd))
+ return false;
+
+ psb_intel_sdvo_get_mode_from_dtd(adjusted_mode, &psb_intel_sdvo->input_dtd);
+
+ drm_mode_set_crtcinfo(adjusted_mode, 0);
+ return true;
+}
+
+static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
+ int multiplier;
+
+ /* We need to construct preferred input timings based on our
+ * output timings. To do that, we have to set the output
+ * timings, even though this isn't really the right place in
+ * the sequence to do it. Oh well.
+ */
+ if (psb_intel_sdvo->is_tv) {
+ if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo, mode))
+ return false;
+
+ (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
+ mode,
+ adjusted_mode);
+ } else if (psb_intel_sdvo->is_lvds) {
+ if (!psb_intel_sdvo_set_output_timings_from_mode(psb_intel_sdvo,
+ psb_intel_sdvo->sdvo_lvds_fixed_mode))
+ return false;
+
+ (void) psb_intel_sdvo_set_input_timings_for_mode(psb_intel_sdvo,
+ mode,
+ adjusted_mode);
+ }
+
+ /* Make the CRTC code factor in the SDVO pixel multiplier. The
+ * SDVO device will factor out the multiplier during mode_set.
+ */
+ multiplier = psb_intel_sdvo_get_pixel_multiplier(adjusted_mode);
+ psb_intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
+
+ return true;
+}
+
+static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct drm_crtc *crtc = encoder->crtc;
+ struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
+ struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
+ u32 sdvox;
+ struct psb_intel_sdvo_in_out_map in_out;
+ struct psb_intel_sdvo_dtd input_dtd;
+ int pixel_multiplier = psb_intel_mode_get_pixel_multiplier(adjusted_mode);
+ int rate;
+ int need_aux = IS_MRST(dev) ? 1 : 0;
+
+ if (!mode)
+ return;
+
+ /* First, set the input mapping for the first input to our controlled
+ * output. This is only correct if we're a single-input device, in
+ * which case the first input is the output from the appropriate SDVO
+ * channel on the motherboard. In a two-input device, the first input
+ * will be SDVOB and the second SDVOC.
+ */
+ in_out.in0 = psb_intel_sdvo->attached_output;
+ in_out.in1 = 0;
+
+ psb_intel_sdvo_set_value(psb_intel_sdvo,
+ SDVO_CMD_SET_IN_OUT_MAP,
+ &in_out, sizeof(in_out));
+
+ /* Set the output timings to the screen */
+ if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
+ psb_intel_sdvo->attached_output))
+ return;
+
+ /* We have tried to get input timing in mode_fixup, and filled into
+ * adjusted_mode.
+ */
+ if (psb_intel_sdvo->is_tv || psb_intel_sdvo->is_lvds) {
+ input_dtd = psb_intel_sdvo->input_dtd;
+ } else {
+ /* Set the output timing to the screen */
+ if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo,
+ psb_intel_sdvo->attached_output))
+ return;
+
+ psb_intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
+ (void) psb_intel_sdvo_set_output_timing(psb_intel_sdvo, &input_dtd);
+ }
+
+ /* Set the input timing to the screen. Assume always input 0. */
+ if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
+ return;
+
+ if (psb_intel_sdvo->has_hdmi_monitor) {
+ psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_HDMI);
+ psb_intel_sdvo_set_colorimetry(psb_intel_sdvo,
+ SDVO_COLORIMETRY_RGB256);
+ psb_intel_sdvo_set_avi_infoframe(psb_intel_sdvo);
+ } else
+ psb_intel_sdvo_set_encode(psb_intel_sdvo, SDVO_ENCODE_DVI);
+
+ if (psb_intel_sdvo->is_tv &&
+ !psb_intel_sdvo_set_tv_format(psb_intel_sdvo))
+ return;
+
+ (void) psb_intel_sdvo_set_input_timing(psb_intel_sdvo, &input_dtd);
+
+ switch (pixel_multiplier) {
+ default:
+ case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
+ case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
+ case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
+ }
+ if (!psb_intel_sdvo_set_clock_rate_mult(psb_intel_sdvo, rate))
+ return;
+
+ /* Set the SDVO control regs. */
+ if (need_aux)
+ sdvox = REG_READ_AUX(psb_intel_sdvo->sdvo_reg);
+ else
+ sdvox = REG_READ(psb_intel_sdvo->sdvo_reg);
+
+ switch (psb_intel_sdvo->sdvo_reg) {
+ case SDVOB:
+ sdvox &= SDVOB_PRESERVE_MASK;
+ break;
+ case SDVOC:
+ sdvox &= SDVOC_PRESERVE_MASK;
+ break;
+ }
+ sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
+
+ if (gma_crtc->pipe == 1)
+ sdvox |= SDVO_PIPE_B_SELECT;
+ if (psb_intel_sdvo->has_hdmi_audio)
+ sdvox |= SDVO_AUDIO_ENABLE;
+
+ /* FIXME: Check if this is needed for PSB
+ sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
+ */
+
+ if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL)
+ sdvox |= SDVO_STALL_SELECT;
+ psb_intel_sdvo_write_sdvox(psb_intel_sdvo, sdvox);
+}
+
+static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
+ u32 temp;
+ int i;
+ int need_aux = IS_MRST(dev) ? 1 : 0;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ DRM_DEBUG("DPMS_ON");
+ break;
+ case DRM_MODE_DPMS_OFF:
+ DRM_DEBUG("DPMS_OFF");
+ break;
+ default:
+ DRM_DEBUG("DPMS: %d", mode);
+ }
+
+ if (mode != DRM_MODE_DPMS_ON) {
+ psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, 0);
+ if (0)
+ psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
+
+ if (mode == DRM_MODE_DPMS_OFF) {
+ if (need_aux)
+ temp = REG_READ_AUX(psb_intel_sdvo->sdvo_reg);
+ else
+ temp = REG_READ(psb_intel_sdvo->sdvo_reg);
+
+ if ((temp & SDVO_ENABLE) != 0) {
+ psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp & ~SDVO_ENABLE);
+ }
+ }
+ } else {
+ bool input1, input2;
+ u8 status;
+
+ if (need_aux)
+ temp = REG_READ_AUX(psb_intel_sdvo->sdvo_reg);
+ else
+ temp = REG_READ(psb_intel_sdvo->sdvo_reg);
+
+ if ((temp & SDVO_ENABLE) == 0)
+ psb_intel_sdvo_write_sdvox(psb_intel_sdvo, temp | SDVO_ENABLE);
+
+ for (i = 0; i < 2; i++)
+ gma_wait_for_vblank(dev);
+
+ status = psb_intel_sdvo_get_trained_inputs(psb_intel_sdvo, &input1, &input2);
+ /* Warn if the device reported failure to sync.
+ * A lot of SDVO devices fail to notify of sync, but it's
+ * a given it the status is a success, we succeeded.
+ */
+ if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
+ DRM_DEBUG_KMS("First %s output reported failure to "
+ "sync\n", SDVO_NAME(psb_intel_sdvo));
+ }
+
+ if (0)
+ psb_intel_sdvo_set_encoder_power_state(psb_intel_sdvo, mode);
+ psb_intel_sdvo_set_active_outputs(psb_intel_sdvo, psb_intel_sdvo->attached_output);
+ }
+ return;
+}
+
+static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ return MODE_NO_DBLESCAN;
+
+ if (psb_intel_sdvo->pixel_clock_min > mode->clock)
+ return MODE_CLOCK_LOW;
+
+ if (psb_intel_sdvo->pixel_clock_max < mode->clock)
+ return MODE_CLOCK_HIGH;
+
+ if (psb_intel_sdvo->is_lvds) {
+ if (mode->hdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
+ return MODE_PANEL;
+
+ if (mode->vdisplay > psb_intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
+ return MODE_PANEL;
+ }
+
+ return MODE_OK;
+}
+
+static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdvo, struct psb_intel_sdvo_caps *caps)
+{
+ BUILD_BUG_ON(sizeof(*caps) != 8);
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_DEVICE_CAPS,
+ caps, sizeof(*caps)))
+ return false;
+
+ DRM_DEBUG_KMS("SDVO capabilities:\n"
+ " vendor_id: %d\n"
+ " device_id: %d\n"
+ " device_rev_id: %d\n"
+ " sdvo_version_major: %d\n"
+ " sdvo_version_minor: %d\n"
+ " sdvo_inputs_mask: %d\n"
+ " smooth_scaling: %d\n"
+ " sharp_scaling: %d\n"
+ " up_scaling: %d\n"
+ " down_scaling: %d\n"
+ " stall_support: %d\n"
+ " output_flags: %d\n",
+ caps->vendor_id,
+ caps->device_id,
+ caps->device_rev_id,
+ caps->sdvo_version_major,
+ caps->sdvo_version_minor,
+ caps->sdvo_inputs_mask,
+ caps->smooth_scaling,
+ caps->sharp_scaling,
+ caps->up_scaling,
+ caps->down_scaling,
+ caps->stall_support,
+ caps->output_flags);
+
+ return true;
+}
+
+/* No use! */
+#if 0
+struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
+{
+ struct drm_connector *connector = NULL;
+ struct psb_intel_sdvo *iout = NULL;
+ struct psb_intel_sdvo *sdvo;
+
+ /* find the sdvo connector */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ iout = to_psb_intel_sdvo(connector);
+
+ if (iout->type != INTEL_OUTPUT_SDVO)
+ continue;
+
+ sdvo = iout->dev_priv;
+
+ if (sdvo->sdvo_reg == SDVOB && sdvoB)
+ return connector;
+
+ if (sdvo->sdvo_reg == SDVOC && !sdvoB)
+ return connector;
+
+ }
+
+ return NULL;
+}
+
+int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
+{
+ u8 response[2];
+ u8 status;
+ struct psb_intel_sdvo *psb_intel_sdvo;
+ DRM_DEBUG_KMS("\n");
+
+ if (!connector)
+ return 0;
+
+ psb_intel_sdvo = to_psb_intel_sdvo(connector);
+
+ return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
+ &response, 2) && response[0];
+}
+
+void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
+{
+ u8 response[2];
+ u8 status;
+ struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
+
+ psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
+ psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
+
+ if (on) {
+ psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
+ status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
+
+ psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
+ } else {
+ response[0] = 0;
+ response[1] = 0;
+ psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
+ }
+
+ psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
+ psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
+}
+#endif
+
+static bool
+psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
+{
+ /* Is there more than one type of output? */
+ int caps = psb_intel_sdvo->caps.output_flags & 0xf;
+ return caps & -caps;
+}
+
+static struct edid *
+psb_intel_sdvo_get_edid(struct drm_connector *connector)
+{
+ struct psb_intel_sdvo *sdvo = intel_attached_sdvo(connector);
+ return drm_get_edid(connector, &sdvo->ddc);
+}
+
+/* Mac mini hack -- use the same DDC as the analog connector */
+static struct edid *
+psb_intel_sdvo_get_analog_edid(struct drm_connector *connector)
+{
+ struct drm_psb_private *dev_priv = connector->dev->dev_private;
+
+ return drm_get_edid(connector,
+ &dev_priv->gmbus[dev_priv->crt_ddc_pin].adapter);
+}
+
+static enum drm_connector_status
+psb_intel_sdvo_hdmi_sink_detect(struct drm_connector *connector)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+ enum drm_connector_status status;
+ struct edid *edid;
+
+ edid = psb_intel_sdvo_get_edid(connector);
+
+ if (edid == NULL && psb_intel_sdvo_multifunc_encoder(psb_intel_sdvo)) {
+ u8 ddc, saved_ddc = psb_intel_sdvo->ddc_bus;
+
+ /*
+ * Don't use the 1 as the argument of DDC bus switch to get
+ * the EDID. It is used for SDVO SPD ROM.
+ */
+ for (ddc = psb_intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
+ psb_intel_sdvo->ddc_bus = ddc;
+ edid = psb_intel_sdvo_get_edid(connector);
+ if (edid)
+ break;
+ }
+ /*
+ * If we found the EDID on the other bus,
+ * assume that is the correct DDC bus.
+ */
+ if (edid == NULL)
+ psb_intel_sdvo->ddc_bus = saved_ddc;
+ }
+
+ /*
+ * When there is no edid and no monitor is connected with VGA
+ * port, try to use the CRT ddc to read the EDID for DVI-connector.
+ */
+ if (edid == NULL)
+ edid = psb_intel_sdvo_get_analog_edid(connector);
+
+ status = connector_status_unknown;
+ if (edid != NULL) {
+ /* DDC bus is shared, match EDID to connector type */
+ if (edid->input & DRM_EDID_INPUT_DIGITAL) {
+ status = connector_status_connected;
+ if (psb_intel_sdvo->is_hdmi) {
+ psb_intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
+ psb_intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
+ }
+ } else
+ status = connector_status_disconnected;
+ kfree(edid);
+ }
+
+ if (status == connector_status_connected) {
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
+ if (psb_intel_sdvo_connector->force_audio)
+ psb_intel_sdvo->has_hdmi_audio = psb_intel_sdvo_connector->force_audio > 0;
+ }
+
+ return status;
+}
+
+static enum drm_connector_status
+psb_intel_sdvo_detect(struct drm_connector *connector, bool force)
+{
+ uint16_t response;
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
+ enum drm_connector_status ret;
+
+ if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
+ SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0))
+ return connector_status_unknown;
+
+ /* add 30ms delay when the output type might be TV */
+ if (psb_intel_sdvo->caps.output_flags &
+ (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_CVBS0))
+ mdelay(30);
+
+ if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2))
+ return connector_status_unknown;
+
+ DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
+ response & 0xff, response >> 8,
+ psb_intel_sdvo_connector->output_flag);
+
+ if (response == 0)
+ return connector_status_disconnected;
+
+ psb_intel_sdvo->attached_output = response;
+
+ psb_intel_sdvo->has_hdmi_monitor = false;
+ psb_intel_sdvo->has_hdmi_audio = false;
+
+ if ((psb_intel_sdvo_connector->output_flag & response) == 0)
+ ret = connector_status_disconnected;
+ else if (IS_TMDS(psb_intel_sdvo_connector))
+ ret = psb_intel_sdvo_hdmi_sink_detect(connector);
+ else {
+ struct edid *edid;
+
+ /* if we have an edid check it matches the connection */
+ edid = psb_intel_sdvo_get_edid(connector);
+ if (edid == NULL)
+ edid = psb_intel_sdvo_get_analog_edid(connector);
+ if (edid != NULL) {
+ if (edid->input & DRM_EDID_INPUT_DIGITAL)
+ ret = connector_status_disconnected;
+ else
+ ret = connector_status_connected;
+ kfree(edid);
+ } else
+ ret = connector_status_connected;
+ }
+
+ /* May update encoder flag for like clock for SDVO TV, etc.*/
+ if (ret == connector_status_connected) {
+ psb_intel_sdvo->is_tv = false;
+ psb_intel_sdvo->is_lvds = false;
+ psb_intel_sdvo->base.needs_tv_clock = false;
+
+ if (response & SDVO_TV_MASK) {
+ psb_intel_sdvo->is_tv = true;
+ psb_intel_sdvo->base.needs_tv_clock = true;
+ }
+ if (response & SDVO_LVDS_MASK)
+ psb_intel_sdvo->is_lvds = psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL;
+ }
+
+ return ret;
+}
+
+static void psb_intel_sdvo_get_ddc_modes(struct drm_connector *connector)
+{
+ struct edid *edid;
+
+ /* set the bus switch and get the modes */
+ edid = psb_intel_sdvo_get_edid(connector);
+
+ /*
+ * Mac mini hack. On this device, the DVI-I connector shares one DDC
+ * link between analog and digital outputs. So, if the regular SDVO
+ * DDC fails, check to see if the analog output is disconnected, in
+ * which case we'll look there for the digital DDC data.
+ */
+ if (edid == NULL)
+ edid = psb_intel_sdvo_get_analog_edid(connector);
+
+ if (edid != NULL) {
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
+ bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
+ bool connector_is_digital = !!IS_TMDS(psb_intel_sdvo_connector);
+
+ if (connector_is_digital == monitor_is_digital) {
+ drm_mode_connector_update_edid_property(connector, edid);
+ drm_add_edid_modes(connector, edid);
+ }
+
+ kfree(edid);
+ }
+}
+
+/*
+ * Set of SDVO TV modes.
+ * Note! This is in reply order (see loop in get_tv_modes).
+ * XXX: all 60Hz refresh?
+ */
+static const struct drm_display_mode sdvo_tv_modes[] = {
+ { DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
+ 416, 0, 200, 201, 232, 233, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
+ 416, 0, 240, 241, 272, 273, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
+ 496, 0, 300, 301, 332, 333, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
+ 736, 0, 350, 351, 382, 383, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
+ 736, 0, 400, 401, 432, 433, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
+ 736, 0, 480, 481, 512, 513, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
+ 800, 0, 480, 481, 512, 513, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
+ 800, 0, 576, 577, 608, 609, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
+ 816, 0, 350, 351, 382, 383, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
+ 816, 0, 400, 401, 432, 433, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
+ 816, 0, 480, 481, 512, 513, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
+ 816, 0, 540, 541, 572, 573, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
+ 816, 0, 576, 577, 608, 609, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
+ 864, 0, 576, 577, 608, 609, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
+ 896, 0, 600, 601, 632, 633, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
+ 928, 0, 624, 625, 656, 657, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
+ 1016, 0, 766, 767, 798, 799, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
+ 1120, 0, 768, 769, 800, 801, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+ { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
+ 1376, 0, 1024, 1025, 1056, 1057, 0,
+ DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
+};
+
+static void psb_intel_sdvo_get_tv_modes(struct drm_connector *connector)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+ struct psb_intel_sdvo_sdtv_resolution_request tv_res;
+ uint32_t reply = 0, format_map = 0;
+ int i;
+
+ /* Read the list of supported input resolutions for the selected TV
+ * format.
+ */
+ format_map = 1 << psb_intel_sdvo->tv_format_index;
+ memcpy(&tv_res, &format_map,
+ min(sizeof(format_map), sizeof(struct psb_intel_sdvo_sdtv_resolution_request)));
+
+ if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, psb_intel_sdvo->attached_output))
+ return;
+
+ BUILD_BUG_ON(sizeof(tv_res) != 3);
+ if (!psb_intel_sdvo_write_cmd(psb_intel_sdvo,
+ SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
+ &tv_res, sizeof(tv_res)))
+ return;
+ if (!psb_intel_sdvo_read_response(psb_intel_sdvo, &reply, 3))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
+ if (reply & (1 << i)) {
+ struct drm_display_mode *nmode;
+ nmode = drm_mode_duplicate(connector->dev,
+ &sdvo_tv_modes[i]);
+ if (nmode)
+ drm_mode_probed_add(connector, nmode);
+ }
+}
+
+static void psb_intel_sdvo_get_lvds_modes(struct drm_connector *connector)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+ struct drm_psb_private *dev_priv = connector->dev->dev_private;
+ struct drm_display_mode *newmode;
+
+ /*
+ * Attempt to get the mode list from DDC.
+ * Assume that the preferred modes are
+ * arranged in priority order.
+ */
+ psb_intel_ddc_get_modes(connector, psb_intel_sdvo->i2c);
+ if (list_empty(&connector->probed_modes) == false)
+ goto end;
+
+ /* Fetch modes from VBT */
+ if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
+ newmode = drm_mode_duplicate(connector->dev,
+ dev_priv->sdvo_lvds_vbt_mode);
+ if (newmode != NULL) {
+ /* Guarantee the mode is preferred */
+ newmode->type = (DRM_MODE_TYPE_PREFERRED |
+ DRM_MODE_TYPE_DRIVER);
+ drm_mode_probed_add(connector, newmode);
+ }
+ }
+
+end:
+ list_for_each_entry(newmode, &connector->probed_modes, head) {
+ if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
+ psb_intel_sdvo->sdvo_lvds_fixed_mode =
+ drm_mode_duplicate(connector->dev, newmode);
+
+ drm_mode_set_crtcinfo(psb_intel_sdvo->sdvo_lvds_fixed_mode,
+ 0);
+
+ psb_intel_sdvo->is_lvds = true;
+ break;
+ }
+ }
+
+}
+
+static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
+{
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
+
+ if (IS_TV(psb_intel_sdvo_connector))
+ psb_intel_sdvo_get_tv_modes(connector);
+ else if (IS_LVDS(psb_intel_sdvo_connector))
+ psb_intel_sdvo_get_lvds_modes(connector);
+ else
+ psb_intel_sdvo_get_ddc_modes(connector);
+
+ return !list_empty(&connector->probed_modes);
+}
+
+static void psb_intel_sdvo_destroy(struct drm_connector *connector)
+{
+ drm_connector_unregister(connector);
+ drm_connector_cleanup(connector);
+ kfree(connector);
+}
+
+static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+ struct edid *edid;
+ bool has_audio = false;
+
+ if (!psb_intel_sdvo->is_hdmi)
+ return false;
+
+ edid = psb_intel_sdvo_get_edid(connector);
+ if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
+ has_audio = drm_detect_monitor_audio(edid);
+
+ return has_audio;
+}
+
+static int
+psb_intel_sdvo_set_property(struct drm_connector *connector,
+ struct drm_property *property,
+ uint64_t val)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = intel_attached_sdvo(connector);
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector = to_psb_intel_sdvo_connector(connector);
+ struct drm_psb_private *dev_priv = connector->dev->dev_private;
+ uint16_t temp_value;
+ uint8_t cmd;
+ int ret;
+
+ ret = drm_object_property_set_value(&connector->base, property, val);
+ if (ret)
+ return ret;
+
+ if (property == dev_priv->force_audio_property) {
+ int i = val;
+ bool has_audio;
+
+ if (i == psb_intel_sdvo_connector->force_audio)
+ return 0;
+
+ psb_intel_sdvo_connector->force_audio = i;
+
+ if (i == 0)
+ has_audio = psb_intel_sdvo_detect_hdmi_audio(connector);
+ else
+ has_audio = i > 0;
+
+ if (has_audio == psb_intel_sdvo->has_hdmi_audio)
+ return 0;
+
+ psb_intel_sdvo->has_hdmi_audio = has_audio;
+ goto done;
+ }
+
+ if (property == dev_priv->broadcast_rgb_property) {
+ if (val == !!psb_intel_sdvo->color_range)
+ return 0;
+
+ psb_intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
+ goto done;
+ }
+
+#define CHECK_PROPERTY(name, NAME) \
+ if (psb_intel_sdvo_connector->name == property) { \
+ if (psb_intel_sdvo_connector->cur_##name == temp_value) return 0; \
+ if (psb_intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
+ cmd = SDVO_CMD_SET_##NAME; \
+ psb_intel_sdvo_connector->cur_##name = temp_value; \
+ goto set_value; \
+ }
+
+ if (property == psb_intel_sdvo_connector->tv_format) {
+ if (val >= TV_FORMAT_NUM)
+ return -EINVAL;
+
+ if (psb_intel_sdvo->tv_format_index ==
+ psb_intel_sdvo_connector->tv_format_supported[val])
+ return 0;
+
+ psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[val];
+ goto done;
+ } else if (IS_TV_OR_LVDS(psb_intel_sdvo_connector)) {
+ temp_value = val;
+ if (psb_intel_sdvo_connector->left == property) {
+ drm_object_property_set_value(&connector->base,
+ psb_intel_sdvo_connector->right, val);
+ if (psb_intel_sdvo_connector->left_margin == temp_value)
+ return 0;
+
+ psb_intel_sdvo_connector->left_margin = temp_value;
+ psb_intel_sdvo_connector->right_margin = temp_value;
+ temp_value = psb_intel_sdvo_connector->max_hscan -
+ psb_intel_sdvo_connector->left_margin;
+ cmd = SDVO_CMD_SET_OVERSCAN_H;
+ goto set_value;
+ } else if (psb_intel_sdvo_connector->right == property) {
+ drm_object_property_set_value(&connector->base,
+ psb_intel_sdvo_connector->left, val);
+ if (psb_intel_sdvo_connector->right_margin == temp_value)
+ return 0;
+
+ psb_intel_sdvo_connector->left_margin = temp_value;
+ psb_intel_sdvo_connector->right_margin = temp_value;
+ temp_value = psb_intel_sdvo_connector->max_hscan -
+ psb_intel_sdvo_connector->left_margin;
+ cmd = SDVO_CMD_SET_OVERSCAN_H;
+ goto set_value;
+ } else if (psb_intel_sdvo_connector->top == property) {
+ drm_object_property_set_value(&connector->base,
+ psb_intel_sdvo_connector->bottom, val);
+ if (psb_intel_sdvo_connector->top_margin == temp_value)
+ return 0;
+
+ psb_intel_sdvo_connector->top_margin = temp_value;
+ psb_intel_sdvo_connector->bottom_margin = temp_value;
+ temp_value = psb_intel_sdvo_connector->max_vscan -
+ psb_intel_sdvo_connector->top_margin;
+ cmd = SDVO_CMD_SET_OVERSCAN_V;
+ goto set_value;
+ } else if (psb_intel_sdvo_connector->bottom == property) {
+ drm_object_property_set_value(&connector->base,
+ psb_intel_sdvo_connector->top, val);
+ if (psb_intel_sdvo_connector->bottom_margin == temp_value)
+ return 0;
+
+ psb_intel_sdvo_connector->top_margin = temp_value;
+ psb_intel_sdvo_connector->bottom_margin = temp_value;
+ temp_value = psb_intel_sdvo_connector->max_vscan -
+ psb_intel_sdvo_connector->top_margin;
+ cmd = SDVO_CMD_SET_OVERSCAN_V;
+ goto set_value;
+ }
+ CHECK_PROPERTY(hpos, HPOS)
+ CHECK_PROPERTY(vpos, VPOS)
+ CHECK_PROPERTY(saturation, SATURATION)
+ CHECK_PROPERTY(contrast, CONTRAST)
+ CHECK_PROPERTY(hue, HUE)
+ CHECK_PROPERTY(brightness, BRIGHTNESS)
+ CHECK_PROPERTY(sharpness, SHARPNESS)
+ CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
+ CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
+ CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
+ CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
+ CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
+ CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
+ }
+
+ return -EINVAL; /* unknown property */
+
+set_value:
+ if (!psb_intel_sdvo_set_value(psb_intel_sdvo, cmd, &temp_value, 2))
+ return -EIO;
+
+
+done:
+ if (psb_intel_sdvo->base.base.crtc) {
+ struct drm_crtc *crtc = psb_intel_sdvo->base.base.crtc;
+ drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x,
+ crtc->y, crtc->primary->fb);
+ }
+
+ return 0;
+#undef CHECK_PROPERTY
+}
+
+static void psb_intel_sdvo_save(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
+ struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(&gma_encoder->base);
+
+ sdvo->saveSDVO = REG_READ(sdvo->sdvo_reg);
+}
+
+static void psb_intel_sdvo_restore(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_encoder *encoder = &gma_attached_encoder(connector)->base;
+ struct psb_intel_sdvo *sdvo = to_psb_intel_sdvo(encoder);
+ struct drm_crtc *crtc = encoder->crtc;
+
+ REG_WRITE(sdvo->sdvo_reg, sdvo->saveSDVO);
+
+ /* Force a full mode set on the crtc. We're supposed to have the
+ mode_config lock already. */
+ if (connector->status == connector_status_connected)
+ drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
+ NULL);
+}
+
+static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
+ .dpms = psb_intel_sdvo_dpms,
+ .mode_fixup = psb_intel_sdvo_mode_fixup,
+ .prepare = gma_encoder_prepare,
+ .mode_set = psb_intel_sdvo_mode_set,
+ .commit = gma_encoder_commit,
+};
+
+static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .save = psb_intel_sdvo_save,
+ .restore = psb_intel_sdvo_restore,
+ .detect = psb_intel_sdvo_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .set_property = psb_intel_sdvo_set_property,
+ .destroy = psb_intel_sdvo_destroy,
+};
+
+static const struct drm_connector_helper_funcs psb_intel_sdvo_connector_helper_funcs = {
+ .get_modes = psb_intel_sdvo_get_modes,
+ .mode_valid = psb_intel_sdvo_mode_valid,
+ .best_encoder = gma_best_encoder,
+};
+
+static void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
+{
+ struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(encoder);
+
+ if (psb_intel_sdvo->sdvo_lvds_fixed_mode != NULL)
+ drm_mode_destroy(encoder->dev,
+ psb_intel_sdvo->sdvo_lvds_fixed_mode);
+
+ i2c_del_adapter(&psb_intel_sdvo->ddc);
+ gma_encoder_destroy(encoder);
+}
+
+static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
+ .destroy = psb_intel_sdvo_enc_destroy,
+};
+
+static void
+psb_intel_sdvo_guess_ddc_bus(struct psb_intel_sdvo *sdvo)
+{
+ /* FIXME: At the moment, ddc_bus = 2 is the only thing that works.
+ * We need to figure out if this is true for all available poulsbo
+ * hardware, or if we need to fiddle with the guessing code above.
+ * The problem might go away if we can parse sdvo mappings from bios */
+ sdvo->ddc_bus = 2;
+
+#if 0
+ uint16_t mask = 0;
+ unsigned int num_bits;
+
+ /* Make a mask of outputs less than or equal to our own priority in the
+ * list.
+ */
+ switch (sdvo->controlled_output) {
+ case SDVO_OUTPUT_LVDS1:
+ mask |= SDVO_OUTPUT_LVDS1;
+ case SDVO_OUTPUT_LVDS0:
+ mask |= SDVO_OUTPUT_LVDS0;
+ case SDVO_OUTPUT_TMDS1:
+ mask |= SDVO_OUTPUT_TMDS1;
+ case SDVO_OUTPUT_TMDS0:
+ mask |= SDVO_OUTPUT_TMDS0;
+ case SDVO_OUTPUT_RGB1:
+ mask |= SDVO_OUTPUT_RGB1;
+ case SDVO_OUTPUT_RGB0:
+ mask |= SDVO_OUTPUT_RGB0;
+ break;
+ }
+
+ /* Count bits to find what number we are in the priority list. */
+ mask &= sdvo->caps.output_flags;
+ num_bits = hweight16(mask);
+ /* If more than 3 outputs, default to DDC bus 3 for now. */
+ if (num_bits > 3)
+ num_bits = 3;
+
+ /* Corresponds to SDVO_CONTROL_BUS_DDCx */
+ sdvo->ddc_bus = 1 << num_bits;
+#endif
+}
+
+/**
+ * Choose the appropriate DDC bus for control bus switch command for this
+ * SDVO output based on the controlled output.
+ *
+ * DDC bus number assignment is in a priority order of RGB outputs, then TMDS
+ * outputs, then LVDS outputs.
+ */
+static void
+psb_intel_sdvo_select_ddc_bus(struct drm_psb_private *dev_priv,
+ struct psb_intel_sdvo *sdvo, u32 reg)
+{
+ struct sdvo_device_mapping *mapping;
+
+ if (IS_SDVOB(reg))
+ mapping = &(dev_priv->sdvo_mappings[0]);
+ else
+ mapping = &(dev_priv->sdvo_mappings[1]);
+
+ if (mapping->initialized)
+ sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
+ else
+ psb_intel_sdvo_guess_ddc_bus(sdvo);
+}
+
+static void
+psb_intel_sdvo_select_i2c_bus(struct drm_psb_private *dev_priv,
+ struct psb_intel_sdvo *sdvo, u32 reg)
+{
+ struct sdvo_device_mapping *mapping;
+ u8 pin, speed;
+
+ if (IS_SDVOB(reg))
+ mapping = &dev_priv->sdvo_mappings[0];
+ else
+ mapping = &dev_priv->sdvo_mappings[1];
+
+ pin = GMBUS_PORT_DPB;
+ speed = GMBUS_RATE_1MHZ >> 8;
+ if (mapping->initialized) {
+ pin = mapping->i2c_pin;
+ speed = mapping->i2c_speed;
+ }
+
+ if (pin < GMBUS_NUM_PORTS) {
+ sdvo->i2c = &dev_priv->gmbus[pin].adapter;
+ gma_intel_gmbus_set_speed(sdvo->i2c, speed);
+ gma_intel_gmbus_force_bit(sdvo->i2c, true);
+ } else
+ sdvo->i2c = &dev_priv->gmbus[GMBUS_PORT_DPB].adapter;
+}
+
+static bool
+psb_intel_sdvo_is_hdmi_connector(struct psb_intel_sdvo *psb_intel_sdvo, int device)
+{
+ return psb_intel_sdvo_check_supp_encode(psb_intel_sdvo);
+}
+
+static u8
+psb_intel_sdvo_get_slave_addr(struct drm_device *dev, int sdvo_reg)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct sdvo_device_mapping *my_mapping, *other_mapping;
+
+ if (IS_SDVOB(sdvo_reg)) {
+ my_mapping = &dev_priv->sdvo_mappings[0];
+ other_mapping = &dev_priv->sdvo_mappings[1];
+ } else {
+ my_mapping = &dev_priv->sdvo_mappings[1];
+ other_mapping = &dev_priv->sdvo_mappings[0];
+ }
+
+ /* If the BIOS described our SDVO device, take advantage of it. */
+ if (my_mapping->slave_addr)
+ return my_mapping->slave_addr;
+
+ /* If the BIOS only described a different SDVO device, use the
+ * address that it isn't using.
+ */
+ if (other_mapping->slave_addr) {
+ if (other_mapping->slave_addr == 0x70)
+ return 0x72;
+ else
+ return 0x70;
+ }
+
+ /* No SDVO device info is found for another DVO port,
+ * so use mapping assumption we had before BIOS parsing.
+ */
+ if (IS_SDVOB(sdvo_reg))
+ return 0x70;
+ else
+ return 0x72;
+}
+
+static void
+psb_intel_sdvo_connector_init(struct psb_intel_sdvo_connector *connector,
+ struct psb_intel_sdvo *encoder)
+{
+ drm_connector_init(encoder->base.base.dev,
+ &connector->base.base,
+ &psb_intel_sdvo_connector_funcs,
+ connector->base.base.connector_type);
+
+ drm_connector_helper_add(&connector->base.base,
+ &psb_intel_sdvo_connector_helper_funcs);
+
+ connector->base.base.interlace_allowed = 0;
+ connector->base.base.doublescan_allowed = 0;
+ connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
+
+ gma_connector_attach_encoder(&connector->base, &encoder->base);
+ drm_connector_register(&connector->base.base);
+}
+
+static void
+psb_intel_sdvo_add_hdmi_properties(struct psb_intel_sdvo_connector *connector)
+{
+ /* FIXME: We don't support HDMI at the moment
+ struct drm_device *dev = connector->base.base.dev;
+
+ intel_attach_force_audio_property(&connector->base.base);
+ intel_attach_broadcast_rgb_property(&connector->base.base);
+ */
+}
+
+static bool
+psb_intel_sdvo_dvi_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
+{
+ struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
+ struct drm_connector *connector;
+ struct gma_connector *intel_connector;
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
+
+ psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
+ if (!psb_intel_sdvo_connector)
+ return false;
+
+ if (device == 0) {
+ psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
+ psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
+ } else if (device == 1) {
+ psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
+ psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
+ }
+
+ intel_connector = &psb_intel_sdvo_connector->base;
+ connector = &intel_connector->base;
+ // connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
+ encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
+ connector->connector_type = DRM_MODE_CONNECTOR_DVID;
+
+ if (psb_intel_sdvo_is_hdmi_connector(psb_intel_sdvo, device)) {
+ connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
+ psb_intel_sdvo->is_hdmi = true;
+ }
+ psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+ (1 << INTEL_ANALOG_CLONE_BIT));
+
+ psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
+ if (psb_intel_sdvo->is_hdmi)
+ psb_intel_sdvo_add_hdmi_properties(psb_intel_sdvo_connector);
+
+ return true;
+}
+
+static bool
+psb_intel_sdvo_tv_init(struct psb_intel_sdvo *psb_intel_sdvo, int type)
+{
+ struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
+ struct drm_connector *connector;
+ struct gma_connector *intel_connector;
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
+
+ psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
+ if (!psb_intel_sdvo_connector)
+ return false;
+
+ intel_connector = &psb_intel_sdvo_connector->base;
+ connector = &intel_connector->base;
+ encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
+ connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
+
+ psb_intel_sdvo->controlled_output |= type;
+ psb_intel_sdvo_connector->output_flag = type;
+
+ psb_intel_sdvo->is_tv = true;
+ psb_intel_sdvo->base.needs_tv_clock = true;
+ psb_intel_sdvo->base.clone_mask = 1 << INTEL_SDVO_TV_CLONE_BIT;
+
+ psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
+
+ if (!psb_intel_sdvo_tv_create_property(psb_intel_sdvo, psb_intel_sdvo_connector, type))
+ goto err;
+
+ if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
+ goto err;
+
+ return true;
+
+err:
+ psb_intel_sdvo_destroy(connector);
+ return false;
+}
+
+static bool
+psb_intel_sdvo_analog_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
+{
+ struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
+ struct drm_connector *connector;
+ struct gma_connector *intel_connector;
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
+
+ psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
+ if (!psb_intel_sdvo_connector)
+ return false;
+
+ intel_connector = &psb_intel_sdvo_connector->base;
+ connector = &intel_connector->base;
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT;
+ encoder->encoder_type = DRM_MODE_ENCODER_DAC;
+ connector->connector_type = DRM_MODE_CONNECTOR_VGA;
+
+ if (device == 0) {
+ psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
+ psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
+ } else if (device == 1) {
+ psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
+ psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
+ }
+
+ psb_intel_sdvo->base.clone_mask = ((1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
+ (1 << INTEL_ANALOG_CLONE_BIT));
+
+ psb_intel_sdvo_connector_init(psb_intel_sdvo_connector,
+ psb_intel_sdvo);
+ return true;
+}
+
+static bool
+psb_intel_sdvo_lvds_init(struct psb_intel_sdvo *psb_intel_sdvo, int device)
+{
+ struct drm_encoder *encoder = &psb_intel_sdvo->base.base;
+ struct drm_connector *connector;
+ struct gma_connector *intel_connector;
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector;
+
+ psb_intel_sdvo_connector = kzalloc(sizeof(struct psb_intel_sdvo_connector), GFP_KERNEL);
+ if (!psb_intel_sdvo_connector)
+ return false;
+
+ intel_connector = &psb_intel_sdvo_connector->base;
+ connector = &intel_connector->base;
+ encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
+ connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
+
+ if (device == 0) {
+ psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
+ psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
+ } else if (device == 1) {
+ psb_intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
+ psb_intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
+ }
+
+ psb_intel_sdvo->base.clone_mask = ((1 << INTEL_ANALOG_CLONE_BIT) |
+ (1 << INTEL_SDVO_LVDS_CLONE_BIT));
+
+ psb_intel_sdvo_connector_init(psb_intel_sdvo_connector, psb_intel_sdvo);
+ if (!psb_intel_sdvo_create_enhance_property(psb_intel_sdvo, psb_intel_sdvo_connector))
+ goto err;
+
+ return true;
+
+err:
+ psb_intel_sdvo_destroy(connector);
+ return false;
+}
+
+static bool
+psb_intel_sdvo_output_setup(struct psb_intel_sdvo *psb_intel_sdvo, uint16_t flags)
+{
+ psb_intel_sdvo->is_tv = false;
+ psb_intel_sdvo->base.needs_tv_clock = false;
+ psb_intel_sdvo->is_lvds = false;
+
+ /* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
+
+ if (flags & SDVO_OUTPUT_TMDS0)
+ if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 0))
+ return false;
+
+ if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
+ if (!psb_intel_sdvo_dvi_init(psb_intel_sdvo, 1))
+ return false;
+
+ /* TV has no XXX1 function block */
+ if (flags & SDVO_OUTPUT_SVID0)
+ if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_SVID0))
+ return false;
+
+ if (flags & SDVO_OUTPUT_CVBS0)
+ if (!psb_intel_sdvo_tv_init(psb_intel_sdvo, SDVO_OUTPUT_CVBS0))
+ return false;
+
+ if (flags & SDVO_OUTPUT_RGB0)
+ if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 0))
+ return false;
+
+ if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
+ if (!psb_intel_sdvo_analog_init(psb_intel_sdvo, 1))
+ return false;
+
+ if (flags & SDVO_OUTPUT_LVDS0)
+ if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 0))
+ return false;
+
+ if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
+ if (!psb_intel_sdvo_lvds_init(psb_intel_sdvo, 1))
+ return false;
+
+ if ((flags & SDVO_OUTPUT_MASK) == 0) {
+ unsigned char bytes[2];
+
+ psb_intel_sdvo->controlled_output = 0;
+ memcpy(bytes, &psb_intel_sdvo->caps.output_flags, 2);
+ DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
+ SDVO_NAME(psb_intel_sdvo),
+ bytes[0], bytes[1]);
+ return false;
+ }
+ psb_intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1);
+
+ return true;
+}
+
+static bool psb_intel_sdvo_tv_create_property(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
+ int type)
+{
+ struct drm_device *dev = psb_intel_sdvo->base.base.dev;
+ struct psb_intel_sdvo_tv_format format;
+ uint32_t format_map, i;
+
+ if (!psb_intel_sdvo_set_target_output(psb_intel_sdvo, type))
+ return false;
+
+ BUILD_BUG_ON(sizeof(format) != 6);
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
+ &format, sizeof(format)))
+ return false;
+
+ memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
+
+ if (format_map == 0)
+ return false;
+
+ psb_intel_sdvo_connector->format_supported_num = 0;
+ for (i = 0 ; i < TV_FORMAT_NUM; i++)
+ if (format_map & (1 << i))
+ psb_intel_sdvo_connector->tv_format_supported[psb_intel_sdvo_connector->format_supported_num++] = i;
+
+
+ psb_intel_sdvo_connector->tv_format =
+ drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "mode", psb_intel_sdvo_connector->format_supported_num);
+ if (!psb_intel_sdvo_connector->tv_format)
+ return false;
+
+ for (i = 0; i < psb_intel_sdvo_connector->format_supported_num; i++)
+ drm_property_add_enum(
+ psb_intel_sdvo_connector->tv_format, i,
+ i, tv_format_names[psb_intel_sdvo_connector->tv_format_supported[i]]);
+
+ psb_intel_sdvo->tv_format_index = psb_intel_sdvo_connector->tv_format_supported[0];
+ drm_object_attach_property(&psb_intel_sdvo_connector->base.base.base,
+ psb_intel_sdvo_connector->tv_format, 0);
+ return true;
+
+}
+
+#define ENHANCEMENT(name, NAME) do { \
+ if (enhancements.name) { \
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
+ !psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
+ return false; \
+ psb_intel_sdvo_connector->max_##name = data_value[0]; \
+ psb_intel_sdvo_connector->cur_##name = response; \
+ psb_intel_sdvo_connector->name = \
+ drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
+ if (!psb_intel_sdvo_connector->name) return false; \
+ drm_object_attach_property(&connector->base, \
+ psb_intel_sdvo_connector->name, \
+ psb_intel_sdvo_connector->cur_##name); \
+ DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
+ data_value[0], data_value[1], response); \
+ } \
+} while(0)
+
+static bool
+psb_intel_sdvo_create_enhance_property_tv(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
+ struct psb_intel_sdvo_enhancements_reply enhancements)
+{
+ struct drm_device *dev = psb_intel_sdvo->base.base.dev;
+ struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
+ uint16_t response, data_value[2];
+
+ /* when horizontal overscan is supported, Add the left/right property */
+ if (enhancements.overscan_h) {
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_MAX_OVERSCAN_H,
+ &data_value, 4))
+ return false;
+
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_OVERSCAN_H,
+ &response, 2))
+ return false;
+
+ psb_intel_sdvo_connector->max_hscan = data_value[0];
+ psb_intel_sdvo_connector->left_margin = data_value[0] - response;
+ psb_intel_sdvo_connector->right_margin = psb_intel_sdvo_connector->left_margin;
+ psb_intel_sdvo_connector->left =
+ drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
+ if (!psb_intel_sdvo_connector->left)
+ return false;
+
+ drm_object_attach_property(&connector->base,
+ psb_intel_sdvo_connector->left,
+ psb_intel_sdvo_connector->left_margin);
+
+ psb_intel_sdvo_connector->right =
+ drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
+ if (!psb_intel_sdvo_connector->right)
+ return false;
+
+ drm_object_attach_property(&connector->base,
+ psb_intel_sdvo_connector->right,
+ psb_intel_sdvo_connector->right_margin);
+ DRM_DEBUG_KMS("h_overscan: max %d, "
+ "default %d, current %d\n",
+ data_value[0], data_value[1], response);
+ }
+
+ if (enhancements.overscan_v) {
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_MAX_OVERSCAN_V,
+ &data_value, 4))
+ return false;
+
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_OVERSCAN_V,
+ &response, 2))
+ return false;
+
+ psb_intel_sdvo_connector->max_vscan = data_value[0];
+ psb_intel_sdvo_connector->top_margin = data_value[0] - response;
+ psb_intel_sdvo_connector->bottom_margin = psb_intel_sdvo_connector->top_margin;
+ psb_intel_sdvo_connector->top =
+ drm_property_create_range(dev, 0, "top_margin", 0, data_value[0]);
+ if (!psb_intel_sdvo_connector->top)
+ return false;
+
+ drm_object_attach_property(&connector->base,
+ psb_intel_sdvo_connector->top,
+ psb_intel_sdvo_connector->top_margin);
+
+ psb_intel_sdvo_connector->bottom =
+ drm_property_create_range(dev, 0, "bottom_margin", 0, data_value[0]);
+ if (!psb_intel_sdvo_connector->bottom)
+ return false;
+
+ drm_object_attach_property(&connector->base,
+ psb_intel_sdvo_connector->bottom,
+ psb_intel_sdvo_connector->bottom_margin);
+ DRM_DEBUG_KMS("v_overscan: max %d, "
+ "default %d, current %d\n",
+ data_value[0], data_value[1], response);
+ }
+
+ ENHANCEMENT(hpos, HPOS);
+ ENHANCEMENT(vpos, VPOS);
+ ENHANCEMENT(saturation, SATURATION);
+ ENHANCEMENT(contrast, CONTRAST);
+ ENHANCEMENT(hue, HUE);
+ ENHANCEMENT(sharpness, SHARPNESS);
+ ENHANCEMENT(brightness, BRIGHTNESS);
+ ENHANCEMENT(flicker_filter, FLICKER_FILTER);
+ ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
+ ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
+ ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
+ ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
+
+ if (enhancements.dot_crawl) {
+ if (!psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
+ return false;
+
+ psb_intel_sdvo_connector->max_dot_crawl = 1;
+ psb_intel_sdvo_connector->cur_dot_crawl = response & 0x1;
+ psb_intel_sdvo_connector->dot_crawl =
+ drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
+ if (!psb_intel_sdvo_connector->dot_crawl)
+ return false;
+
+ drm_object_attach_property(&connector->base,
+ psb_intel_sdvo_connector->dot_crawl,
+ psb_intel_sdvo_connector->cur_dot_crawl);
+ DRM_DEBUG_KMS("dot crawl: current %d\n", response);
+ }
+
+ return true;
+}
+
+static bool
+psb_intel_sdvo_create_enhance_property_lvds(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector,
+ struct psb_intel_sdvo_enhancements_reply enhancements)
+{
+ struct drm_device *dev = psb_intel_sdvo->base.base.dev;
+ struct drm_connector *connector = &psb_intel_sdvo_connector->base.base;
+ uint16_t response, data_value[2];
+
+ ENHANCEMENT(brightness, BRIGHTNESS);
+
+ return true;
+}
+#undef ENHANCEMENT
+
+static bool psb_intel_sdvo_create_enhance_property(struct psb_intel_sdvo *psb_intel_sdvo,
+ struct psb_intel_sdvo_connector *psb_intel_sdvo_connector)
+{
+ union {
+ struct psb_intel_sdvo_enhancements_reply reply;
+ uint16_t response;
+ } enhancements;
+
+ BUILD_BUG_ON(sizeof(enhancements) != 2);
+
+ enhancements.response = 0;
+ psb_intel_sdvo_get_value(psb_intel_sdvo,
+ SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
+ &enhancements, sizeof(enhancements));
+ if (enhancements.response == 0) {
+ DRM_DEBUG_KMS("No enhancement is supported\n");
+ return true;
+ }
+
+ if (IS_TV(psb_intel_sdvo_connector))
+ return psb_intel_sdvo_create_enhance_property_tv(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
+ else if(IS_LVDS(psb_intel_sdvo_connector))
+ return psb_intel_sdvo_create_enhance_property_lvds(psb_intel_sdvo, psb_intel_sdvo_connector, enhancements.reply);
+ else
+ return true;
+}
+
+static int psb_intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
+ struct i2c_msg *msgs,
+ int num)
+{
+ struct psb_intel_sdvo *sdvo = adapter->algo_data;
+
+ if (!psb_intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
+ return -EIO;
+
+ return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
+}
+
+static u32 psb_intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
+{
+ struct psb_intel_sdvo *sdvo = adapter->algo_data;
+ return sdvo->i2c->algo->functionality(sdvo->i2c);
+}
+
+static const struct i2c_algorithm psb_intel_sdvo_ddc_proxy = {
+ .master_xfer = psb_intel_sdvo_ddc_proxy_xfer,
+ .functionality = psb_intel_sdvo_ddc_proxy_func
+};
+
+static bool
+psb_intel_sdvo_init_ddc_proxy(struct psb_intel_sdvo *sdvo,
+ struct drm_device *dev)
+{
+ sdvo->ddc.owner = THIS_MODULE;
+ sdvo->ddc.class = I2C_CLASS_DDC;
+ snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
+ sdvo->ddc.dev.parent = &dev->pdev->dev;
+ sdvo->ddc.algo_data = sdvo;
+ sdvo->ddc.algo = &psb_intel_sdvo_ddc_proxy;
+
+ return i2c_add_adapter(&sdvo->ddc) == 0;
+}
+
+bool psb_intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ struct gma_encoder *gma_encoder;
+ struct psb_intel_sdvo *psb_intel_sdvo;
+ int i;
+
+ psb_intel_sdvo = kzalloc(sizeof(struct psb_intel_sdvo), GFP_KERNEL);
+ if (!psb_intel_sdvo)
+ return false;
+
+ psb_intel_sdvo->sdvo_reg = sdvo_reg;
+ psb_intel_sdvo->slave_addr = psb_intel_sdvo_get_slave_addr(dev, sdvo_reg) >> 1;
+ psb_intel_sdvo_select_i2c_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
+ if (!psb_intel_sdvo_init_ddc_proxy(psb_intel_sdvo, dev)) {
+ kfree(psb_intel_sdvo);
+ return false;
+ }
+
+ /* encoder type will be decided later */
+ gma_encoder = &psb_intel_sdvo->base;
+ gma_encoder->type = INTEL_OUTPUT_SDVO;
+ drm_encoder_init(dev, &gma_encoder->base, &psb_intel_sdvo_enc_funcs, 0);
+
+ /* Read the regs to test if we can talk to the device */
+ for (i = 0; i < 0x40; i++) {
+ u8 byte;
+
+ if (!psb_intel_sdvo_read_byte(psb_intel_sdvo, i, &byte)) {
+ DRM_DEBUG_KMS("No SDVO device found on SDVO%c\n",
+ IS_SDVOB(sdvo_reg) ? 'B' : 'C');
+ goto err;
+ }
+ }
+
+ if (IS_SDVOB(sdvo_reg))
+ dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS;
+ else
+ dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS;
+
+ drm_encoder_helper_add(&gma_encoder->base, &psb_intel_sdvo_helper_funcs);
+
+ /* In default case sdvo lvds is false */
+ if (!psb_intel_sdvo_get_capabilities(psb_intel_sdvo, &psb_intel_sdvo->caps))
+ goto err;
+
+ if (psb_intel_sdvo_output_setup(psb_intel_sdvo,
+ psb_intel_sdvo->caps.output_flags) != true) {
+ DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
+ IS_SDVOB(sdvo_reg) ? 'B' : 'C');
+ goto err;
+ }
+
+ psb_intel_sdvo_select_ddc_bus(dev_priv, psb_intel_sdvo, sdvo_reg);
+
+ /* Set the input timing to the screen. Assume always input 0. */
+ if (!psb_intel_sdvo_set_target_input(psb_intel_sdvo))
+ goto err;
+
+ if (!psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_sdvo,
+ &psb_intel_sdvo->pixel_clock_min,
+ &psb_intel_sdvo->pixel_clock_max))
+ goto err;
+
+ DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
+ "clock range %dMHz - %dMHz, "
+ "input 1: %c, input 2: %c, "
+ "output 1: %c, output 2: %c\n",
+ SDVO_NAME(psb_intel_sdvo),
+ psb_intel_sdvo->caps.vendor_id, psb_intel_sdvo->caps.device_id,
+ psb_intel_sdvo->caps.device_rev_id,
+ psb_intel_sdvo->pixel_clock_min / 1000,
+ psb_intel_sdvo->pixel_clock_max / 1000,
+ (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
+ (psb_intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
+ /* check currently supported outputs */
+ psb_intel_sdvo->caps.output_flags &
+ (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
+ psb_intel_sdvo->caps.output_flags &
+ (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
+ return true;
+
+err:
+ drm_encoder_cleanup(&gma_encoder->base);
+ i2c_del_adapter(&psb_intel_sdvo->ddc);
+ kfree(psb_intel_sdvo);
+
+ return false;
+}
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h b/drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h
new file mode 100644
index 0000000..600e797
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo_regs.h
@@ -0,0 +1,723 @@
+/*
+ * Copyright ? 2006-2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ */
+
+/**
+ * @file SDVO command definitions and structures.
+ */
+
+#define SDVO_OUTPUT_FIRST (0)
+#define SDVO_OUTPUT_TMDS0 (1 << 0)
+#define SDVO_OUTPUT_RGB0 (1 << 1)
+#define SDVO_OUTPUT_CVBS0 (1 << 2)
+#define SDVO_OUTPUT_SVID0 (1 << 3)
+#define SDVO_OUTPUT_YPRPB0 (1 << 4)
+#define SDVO_OUTPUT_SCART0 (1 << 5)
+#define SDVO_OUTPUT_LVDS0 (1 << 6)
+#define SDVO_OUTPUT_TMDS1 (1 << 8)
+#define SDVO_OUTPUT_RGB1 (1 << 9)
+#define SDVO_OUTPUT_CVBS1 (1 << 10)
+#define SDVO_OUTPUT_SVID1 (1 << 11)
+#define SDVO_OUTPUT_YPRPB1 (1 << 12)
+#define SDVO_OUTPUT_SCART1 (1 << 13)
+#define SDVO_OUTPUT_LVDS1 (1 << 14)
+#define SDVO_OUTPUT_LAST (14)
+
+struct psb_intel_sdvo_caps {
+ u8 vendor_id;
+ u8 device_id;
+ u8 device_rev_id;
+ u8 sdvo_version_major;
+ u8 sdvo_version_minor;
+ unsigned int sdvo_inputs_mask:2;
+ unsigned int smooth_scaling:1;
+ unsigned int sharp_scaling:1;
+ unsigned int up_scaling:1;
+ unsigned int down_scaling:1;
+ unsigned int stall_support:1;
+ unsigned int pad:1;
+ u16 output_flags;
+} __attribute__((packed));
+
+/** This matches the EDID DTD structure, more or less */
+struct psb_intel_sdvo_dtd {
+ struct {
+ u16 clock; /**< pixel clock, in 10kHz units */
+ u8 h_active; /**< lower 8 bits (pixels) */
+ u8 h_blank; /**< lower 8 bits (pixels) */
+ u8 h_high; /**< upper 4 bits each h_active, h_blank */
+ u8 v_active; /**< lower 8 bits (lines) */
+ u8 v_blank; /**< lower 8 bits (lines) */
+ u8 v_high; /**< upper 4 bits each v_active, v_blank */
+ } part1;
+
+ struct {
+ u8 h_sync_off; /**< lower 8 bits, from hblank start */
+ u8 h_sync_width; /**< lower 8 bits (pixels) */
+ /** lower 4 bits each vsync offset, vsync width */
+ u8 v_sync_off_width;
+ /**
+ * 2 high bits of hsync offset, 2 high bits of hsync width,
+ * bits 4-5 of vsync offset, and 2 high bits of vsync width.
+ */
+ u8 sync_off_width_high;
+ u8 dtd_flags;
+ u8 sdvo_flags;
+ /** bits 6-7 of vsync offset at bits 6-7 */
+ u8 v_sync_off_high;
+ u8 reserved;
+ } part2;
+} __attribute__((packed));
+
+struct psb_intel_sdvo_pixel_clock_range {
+ u16 min; /**< pixel clock, in 10kHz units */
+ u16 max; /**< pixel clock, in 10kHz units */
+} __attribute__((packed));
+
+struct psb_intel_sdvo_preferred_input_timing_args {
+ u16 clock;
+ u16 width;
+ u16 height;
+ u8 interlace:1;
+ u8 scaled:1;
+ u8 pad:6;
+} __attribute__((packed));
+
+/* I2C registers for SDVO */
+#define SDVO_I2C_ARG_0 0x07
+#define SDVO_I2C_ARG_1 0x06
+#define SDVO_I2C_ARG_2 0x05
+#define SDVO_I2C_ARG_3 0x04
+#define SDVO_I2C_ARG_4 0x03
+#define SDVO_I2C_ARG_5 0x02
+#define SDVO_I2C_ARG_6 0x01
+#define SDVO_I2C_ARG_7 0x00
+#define SDVO_I2C_OPCODE 0x08
+#define SDVO_I2C_CMD_STATUS 0x09
+#define SDVO_I2C_RETURN_0 0x0a
+#define SDVO_I2C_RETURN_1 0x0b
+#define SDVO_I2C_RETURN_2 0x0c
+#define SDVO_I2C_RETURN_3 0x0d
+#define SDVO_I2C_RETURN_4 0x0e
+#define SDVO_I2C_RETURN_5 0x0f
+#define SDVO_I2C_RETURN_6 0x10
+#define SDVO_I2C_RETURN_7 0x11
+#define SDVO_I2C_VENDOR_BEGIN 0x20
+
+/* Status results */
+#define SDVO_CMD_STATUS_POWER_ON 0x0
+#define SDVO_CMD_STATUS_SUCCESS 0x1
+#define SDVO_CMD_STATUS_NOTSUPP 0x2
+#define SDVO_CMD_STATUS_INVALID_ARG 0x3
+#define SDVO_CMD_STATUS_PENDING 0x4
+#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED 0x5
+#define SDVO_CMD_STATUS_SCALING_NOT_SUPP 0x6
+
+/* SDVO commands, argument/result registers */
+
+#define SDVO_CMD_RESET 0x01
+
+/** Returns a struct intel_sdvo_caps */
+#define SDVO_CMD_GET_DEVICE_CAPS 0x02
+
+#define SDVO_CMD_GET_FIRMWARE_REV 0x86
+# define SDVO_DEVICE_FIRMWARE_MINOR SDVO_I2C_RETURN_0
+# define SDVO_DEVICE_FIRMWARE_MAJOR SDVO_I2C_RETURN_1
+# define SDVO_DEVICE_FIRMWARE_PATCH SDVO_I2C_RETURN_2
+
+/**
+ * Reports which inputs are trained (managed to sync).
+ *
+ * Devices must have trained within 2 vsyncs of a mode change.
+ */
+#define SDVO_CMD_GET_TRAINED_INPUTS 0x03
+struct psb_intel_sdvo_get_trained_inputs_response {
+ unsigned int input0_trained:1;
+ unsigned int input1_trained:1;
+ unsigned int pad:6;
+} __attribute__((packed));
+
+/** Returns a struct intel_sdvo_output_flags of active outputs. */
+#define SDVO_CMD_GET_ACTIVE_OUTPUTS 0x04
+
+/**
+ * Sets the current set of active outputs.
+ *
+ * Takes a struct intel_sdvo_output_flags. Must be preceded by a SET_IN_OUT_MAP
+ * on multi-output devices.
+ */
+#define SDVO_CMD_SET_ACTIVE_OUTPUTS 0x05
+
+/**
+ * Returns the current mapping of SDVO inputs to outputs on the device.
+ *
+ * Returns two struct intel_sdvo_output_flags structures.
+ */
+#define SDVO_CMD_GET_IN_OUT_MAP 0x06
+struct psb_intel_sdvo_in_out_map {
+ u16 in0, in1;
+};
+
+/**
+ * Sets the current mapping of SDVO inputs to outputs on the device.
+ *
+ * Takes two struct i380_sdvo_output_flags structures.
+ */
+#define SDVO_CMD_SET_IN_OUT_MAP 0x07
+
+/**
+ * Returns a struct intel_sdvo_output_flags of attached displays.
+ */
+#define SDVO_CMD_GET_ATTACHED_DISPLAYS 0x0b
+
+/**
+ * Returns a struct intel_sdvo_ouptut_flags of displays supporting hot plugging.
+ */
+#define SDVO_CMD_GET_HOT_PLUG_SUPPORT 0x0c
+
+/**
+ * Takes a struct intel_sdvo_output_flags.
+ */
+#define SDVO_CMD_SET_ACTIVE_HOT_PLUG 0x0d
+
+/**
+ * Returns a struct intel_sdvo_output_flags of displays with hot plug
+ * interrupts enabled.
+ */
+#define SDVO_CMD_GET_ACTIVE_HOT_PLUG 0x0e
+
+#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE 0x0f
+struct intel_sdvo_get_interrupt_event_source_response {
+ u16 interrupt_status;
+ unsigned int ambient_light_interrupt:1;
+ unsigned int hdmi_audio_encrypt_change:1;
+ unsigned int pad:6;
+} __attribute__((packed));
+
+/**
+ * Selects which input is affected by future input commands.
+ *
+ * Commands affected include SET_INPUT_TIMINGS_PART[12],
+ * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12],
+ * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS.
+ */
+#define SDVO_CMD_SET_TARGET_INPUT 0x10
+struct psb_intel_sdvo_set_target_input_args {
+ unsigned int target_1:1;
+ unsigned int pad:7;
+} __attribute__((packed));
+
+/**
+ * Takes a struct intel_sdvo_output_flags of which outputs are targeted by
+ * future output commands.
+ *
+ * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12],
+ * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE.
+ */
+#define SDVO_CMD_SET_TARGET_OUTPUT 0x11
+
+#define SDVO_CMD_GET_INPUT_TIMINGS_PART1 0x12
+#define SDVO_CMD_GET_INPUT_TIMINGS_PART2 0x13
+#define SDVO_CMD_SET_INPUT_TIMINGS_PART1 0x14
+#define SDVO_CMD_SET_INPUT_TIMINGS_PART2 0x15
+#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1 0x16
+#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2 0x17
+#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1 0x18
+#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2 0x19
+/* Part 1 */
+# define SDVO_DTD_CLOCK_LOW SDVO_I2C_ARG_0
+# define SDVO_DTD_CLOCK_HIGH SDVO_I2C_ARG_1
+# define SDVO_DTD_H_ACTIVE SDVO_I2C_ARG_2
+# define SDVO_DTD_H_BLANK SDVO_I2C_ARG_3
+# define SDVO_DTD_H_HIGH SDVO_I2C_ARG_4
+# define SDVO_DTD_V_ACTIVE SDVO_I2C_ARG_5
+# define SDVO_DTD_V_BLANK SDVO_I2C_ARG_6
+# define SDVO_DTD_V_HIGH SDVO_I2C_ARG_7
+/* Part 2 */
+# define SDVO_DTD_HSYNC_OFF SDVO_I2C_ARG_0
+# define SDVO_DTD_HSYNC_WIDTH SDVO_I2C_ARG_1
+# define SDVO_DTD_VSYNC_OFF_WIDTH SDVO_I2C_ARG_2
+# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH SDVO_I2C_ARG_3
+# define SDVO_DTD_DTD_FLAGS SDVO_I2C_ARG_4
+# define SDVO_DTD_DTD_FLAG_INTERLACED (1 << 7)
+# define SDVO_DTD_DTD_FLAG_STEREO_MASK (3 << 5)
+# define SDVO_DTD_DTD_FLAG_INPUT_MASK (3 << 3)
+# define SDVO_DTD_DTD_FLAG_SYNC_MASK (3 << 1)
+# define SDVO_DTD_SDVO_FLAS SDVO_I2C_ARG_5
+# define SDVO_DTD_SDVO_FLAG_STALL (1 << 7)
+# define SDVO_DTD_SDVO_FLAG_CENTERED (0 << 6)
+# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT (1 << 6)
+# define SDVO_DTD_SDVO_FLAG_SCALING_MASK (3 << 4)
+# define SDVO_DTD_SDVO_FLAG_SCALING_NONE (0 << 4)
+# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP (1 << 4)
+# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH (2 << 4)
+# define SDVO_DTD_VSYNC_OFF_HIGH SDVO_I2C_ARG_6
+
+/**
+ * Generates a DTD based on the given width, height, and flags.
+ *
+ * This will be supported by any device supporting scaling or interlaced
+ * modes.
+ */
+#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING 0x1a
+# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW SDVO_I2C_ARG_0
+# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH SDVO_I2C_ARG_1
+# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW SDVO_I2C_ARG_2
+# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH SDVO_I2C_ARG_3
+# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW SDVO_I2C_ARG_4
+# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH SDVO_I2C_ARG_5
+# define SDVO_PREFERRED_INPUT_TIMING_FLAGS SDVO_I2C_ARG_6
+# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED (1 << 0)
+# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED (1 << 1)
+
+#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1 0x1b
+#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2 0x1c
+
+/** Returns a struct intel_sdvo_pixel_clock_range */
+#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE 0x1d
+/** Returns a struct intel_sdvo_pixel_clock_range */
+#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE 0x1e
+
+/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */
+#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS 0x1f
+
+/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
+#define SDVO_CMD_GET_CLOCK_RATE_MULT 0x20
+/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
+#define SDVO_CMD_SET_CLOCK_RATE_MULT 0x21
+# define SDVO_CLOCK_RATE_MULT_1X (1 << 0)
+# define SDVO_CLOCK_RATE_MULT_2X (1 << 1)
+# define SDVO_CLOCK_RATE_MULT_4X (1 << 3)
+
+#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS 0x27
+/** 6 bytes of bit flags for TV formats shared by all TV format functions */
+struct psb_intel_sdvo_tv_format {
+ unsigned int ntsc_m:1;
+ unsigned int ntsc_j:1;
+ unsigned int ntsc_443:1;
+ unsigned int pal_b:1;
+ unsigned int pal_d:1;
+ unsigned int pal_g:1;
+ unsigned int pal_h:1;
+ unsigned int pal_i:1;
+
+ unsigned int pal_m:1;
+ unsigned int pal_n:1;
+ unsigned int pal_nc:1;
+ unsigned int pal_60:1;
+ unsigned int secam_b:1;
+ unsigned int secam_d:1;
+ unsigned int secam_g:1;
+ unsigned int secam_k:1;
+
+ unsigned int secam_k1:1;
+ unsigned int secam_l:1;
+ unsigned int secam_60:1;
+ unsigned int hdtv_std_smpte_240m_1080i_59:1;
+ unsigned int hdtv_std_smpte_240m_1080i_60:1;
+ unsigned int hdtv_std_smpte_260m_1080i_59:1;
+ unsigned int hdtv_std_smpte_260m_1080i_60:1;
+ unsigned int hdtv_std_smpte_274m_1080i_50:1;
+
+ unsigned int hdtv_std_smpte_274m_1080i_59:1;
+ unsigned int hdtv_std_smpte_274m_1080i_60:1;
+ unsigned int hdtv_std_smpte_274m_1080p_23:1;
+ unsigned int hdtv_std_smpte_274m_1080p_24:1;
+ unsigned int hdtv_std_smpte_274m_1080p_25:1;
+ unsigned int hdtv_std_smpte_274m_1080p_29:1;
+ unsigned int hdtv_std_smpte_274m_1080p_30:1;
+ unsigned int hdtv_std_smpte_274m_1080p_50:1;
+
+ unsigned int hdtv_std_smpte_274m_1080p_59:1;
+ unsigned int hdtv_std_smpte_274m_1080p_60:1;
+ unsigned int hdtv_std_smpte_295m_1080i_50:1;
+ unsigned int hdtv_std_smpte_295m_1080p_50:1;
+ unsigned int hdtv_std_smpte_296m_720p_59:1;
+ unsigned int hdtv_std_smpte_296m_720p_60:1;
+ unsigned int hdtv_std_smpte_296m_720p_50:1;
+ unsigned int hdtv_std_smpte_293m_480p_59:1;
+
+ unsigned int hdtv_std_smpte_170m_480i_59:1;
+ unsigned int hdtv_std_iturbt601_576i_50:1;
+ unsigned int hdtv_std_iturbt601_576p_50:1;
+ unsigned int hdtv_std_eia_7702a_480i_60:1;
+ unsigned int hdtv_std_eia_7702a_480p_60:1;
+ unsigned int pad:3;
+} __attribute__((packed));
+
+#define SDVO_CMD_GET_TV_FORMAT 0x28
+
+#define SDVO_CMD_SET_TV_FORMAT 0x29
+
+/** Returns the resolutiosn that can be used with the given TV format */
+#define SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT 0x83
+struct psb_intel_sdvo_sdtv_resolution_request {
+ unsigned int ntsc_m:1;
+ unsigned int ntsc_j:1;
+ unsigned int ntsc_443:1;
+ unsigned int pal_b:1;
+ unsigned int pal_d:1;
+ unsigned int pal_g:1;
+ unsigned int pal_h:1;
+ unsigned int pal_i:1;
+
+ unsigned int pal_m:1;
+ unsigned int pal_n:1;
+ unsigned int pal_nc:1;
+ unsigned int pal_60:1;
+ unsigned int secam_b:1;
+ unsigned int secam_d:1;
+ unsigned int secam_g:1;
+ unsigned int secam_k:1;
+
+ unsigned int secam_k1:1;
+ unsigned int secam_l:1;
+ unsigned int secam_60:1;
+ unsigned int pad:5;
+} __attribute__((packed));
+
+struct psb_intel_sdvo_sdtv_resolution_reply {
+ unsigned int res_320x200:1;
+ unsigned int res_320x240:1;
+ unsigned int res_400x300:1;
+ unsigned int res_640x350:1;
+ unsigned int res_640x400:1;
+ unsigned int res_640x480:1;
+ unsigned int res_704x480:1;
+ unsigned int res_704x576:1;
+
+ unsigned int res_720x350:1;
+ unsigned int res_720x400:1;
+ unsigned int res_720x480:1;
+ unsigned int res_720x540:1;
+ unsigned int res_720x576:1;
+ unsigned int res_768x576:1;
+ unsigned int res_800x600:1;
+ unsigned int res_832x624:1;
+
+ unsigned int res_920x766:1;
+ unsigned int res_1024x768:1;
+ unsigned int res_1280x1024:1;
+ unsigned int pad:5;
+} __attribute__((packed));
+
+/* Get supported resolution with squire pixel aspect ratio that can be
+ scaled for the requested HDTV format */
+#define SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT 0x85
+
+struct psb_intel_sdvo_hdtv_resolution_request {
+ unsigned int hdtv_std_smpte_240m_1080i_59:1;
+ unsigned int hdtv_std_smpte_240m_1080i_60:1;
+ unsigned int hdtv_std_smpte_260m_1080i_59:1;
+ unsigned int hdtv_std_smpte_260m_1080i_60:1;
+ unsigned int hdtv_std_smpte_274m_1080i_50:1;
+ unsigned int hdtv_std_smpte_274m_1080i_59:1;
+ unsigned int hdtv_std_smpte_274m_1080i_60:1;
+ unsigned int hdtv_std_smpte_274m_1080p_23:1;
+
+ unsigned int hdtv_std_smpte_274m_1080p_24:1;
+ unsigned int hdtv_std_smpte_274m_1080p_25:1;
+ unsigned int hdtv_std_smpte_274m_1080p_29:1;
+ unsigned int hdtv_std_smpte_274m_1080p_30:1;
+ unsigned int hdtv_std_smpte_274m_1080p_50:1;
+ unsigned int hdtv_std_smpte_274m_1080p_59:1;
+ unsigned int hdtv_std_smpte_274m_1080p_60:1;
+ unsigned int hdtv_std_smpte_295m_1080i_50:1;
+
+ unsigned int hdtv_std_smpte_295m_1080p_50:1;
+ unsigned int hdtv_std_smpte_296m_720p_59:1;
+ unsigned int hdtv_std_smpte_296m_720p_60:1;
+ unsigned int hdtv_std_smpte_296m_720p_50:1;
+ unsigned int hdtv_std_smpte_293m_480p_59:1;
+ unsigned int hdtv_std_smpte_170m_480i_59:1;
+ unsigned int hdtv_std_iturbt601_576i_50:1;
+ unsigned int hdtv_std_iturbt601_576p_50:1;
+
+ unsigned int hdtv_std_eia_7702a_480i_60:1;
+ unsigned int hdtv_std_eia_7702a_480p_60:1;
+ unsigned int pad:6;
+} __attribute__((packed));
+
+struct psb_intel_sdvo_hdtv_resolution_reply {
+ unsigned int res_640x480:1;
+ unsigned int res_800x600:1;
+ unsigned int res_1024x768:1;
+ unsigned int res_1280x960:1;
+ unsigned int res_1400x1050:1;
+ unsigned int res_1600x1200:1;
+ unsigned int res_1920x1440:1;
+ unsigned int res_2048x1536:1;
+
+ unsigned int res_2560x1920:1;
+ unsigned int res_3200x2400:1;
+ unsigned int res_3840x2880:1;
+ unsigned int pad1:5;
+
+ unsigned int res_848x480:1;
+ unsigned int res_1064x600:1;
+ unsigned int res_1280x720:1;
+ unsigned int res_1360x768:1;
+ unsigned int res_1704x960:1;
+ unsigned int res_1864x1050:1;
+ unsigned int res_1920x1080:1;
+ unsigned int res_2128x1200:1;
+
+ unsigned int res_2560x1400:1;
+ unsigned int res_2728x1536:1;
+ unsigned int res_3408x1920:1;
+ unsigned int res_4264x2400:1;
+ unsigned int res_5120x2880:1;
+ unsigned int pad2:3;
+
+ unsigned int res_768x480:1;
+ unsigned int res_960x600:1;
+ unsigned int res_1152x720:1;
+ unsigned int res_1124x768:1;
+ unsigned int res_1536x960:1;
+ unsigned int res_1680x1050:1;
+ unsigned int res_1728x1080:1;
+ unsigned int res_1920x1200:1;
+
+ unsigned int res_2304x1440:1;
+ unsigned int res_2456x1536:1;
+ unsigned int res_3072x1920:1;
+ unsigned int res_3840x2400:1;
+ unsigned int res_4608x2880:1;
+ unsigned int pad3:3;
+
+ unsigned int res_1280x1024:1;
+ unsigned int pad4:7;
+
+ unsigned int res_1280x768:1;
+ unsigned int pad5:7;
+} __attribute__((packed));
+
+/* Get supported power state returns info for encoder and monitor, rely on
+ last SetTargetInput and SetTargetOutput calls */
+#define SDVO_CMD_GET_SUPPORTED_POWER_STATES 0x2a
+/* Get power state returns info for encoder and monitor, rely on last
+ SetTargetInput and SetTargetOutput calls */
+#define SDVO_CMD_GET_POWER_STATE 0x2b
+#define SDVO_CMD_GET_ENCODER_POWER_STATE 0x2b
+#define SDVO_CMD_SET_ENCODER_POWER_STATE 0x2c
+# define SDVO_ENCODER_STATE_ON (1 << 0)
+# define SDVO_ENCODER_STATE_STANDBY (1 << 1)
+# define SDVO_ENCODER_STATE_SUSPEND (1 << 2)
+# define SDVO_ENCODER_STATE_OFF (1 << 3)
+# define SDVO_MONITOR_STATE_ON (1 << 4)
+# define SDVO_MONITOR_STATE_STANDBY (1 << 5)
+# define SDVO_MONITOR_STATE_SUSPEND (1 << 6)
+# define SDVO_MONITOR_STATE_OFF (1 << 7)
+
+#define SDVO_CMD_GET_MAX_PANEL_POWER_SEQUENCING 0x2d
+#define SDVO_CMD_GET_PANEL_POWER_SEQUENCING 0x2e
+#define SDVO_CMD_SET_PANEL_POWER_SEQUENCING 0x2f
+/**
+ * The panel power sequencing parameters are in units of milliseconds.
+ * The high fields are bits 8:9 of the 10-bit values.
+ */
+struct psb_sdvo_panel_power_sequencing {
+ u8 t0;
+ u8 t1;
+ u8 t2;
+ u8 t3;
+ u8 t4;
+
+ unsigned int t0_high:2;
+ unsigned int t1_high:2;
+ unsigned int t2_high:2;
+ unsigned int t3_high:2;
+
+ unsigned int t4_high:2;
+ unsigned int pad:6;
+} __attribute__((packed));
+
+#define SDVO_CMD_GET_MAX_BACKLIGHT_LEVEL 0x30
+struct sdvo_max_backlight_reply {
+ u8 max_value;
+ u8 default_value;
+} __attribute__((packed));
+
+#define SDVO_CMD_GET_BACKLIGHT_LEVEL 0x31
+#define SDVO_CMD_SET_BACKLIGHT_LEVEL 0x32
+
+#define SDVO_CMD_GET_AMBIENT_LIGHT 0x33
+struct sdvo_get_ambient_light_reply {
+ u16 trip_low;
+ u16 trip_high;
+ u16 value;
+} __attribute__((packed));
+#define SDVO_CMD_SET_AMBIENT_LIGHT 0x34
+struct sdvo_set_ambient_light_reply {
+ u16 trip_low;
+ u16 trip_high;
+ unsigned int enable:1;
+ unsigned int pad:7;
+} __attribute__((packed));
+
+/* Set display power state */
+#define SDVO_CMD_SET_DISPLAY_POWER_STATE 0x7d
+# define SDVO_DISPLAY_STATE_ON (1 << 0)
+# define SDVO_DISPLAY_STATE_STANDBY (1 << 1)
+# define SDVO_DISPLAY_STATE_SUSPEND (1 << 2)
+# define SDVO_DISPLAY_STATE_OFF (1 << 3)
+
+#define SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS 0x84
+struct psb_intel_sdvo_enhancements_reply {
+ unsigned int flicker_filter:1;
+ unsigned int flicker_filter_adaptive:1;
+ unsigned int flicker_filter_2d:1;
+ unsigned int saturation:1;
+ unsigned int hue:1;
+ unsigned int brightness:1;
+ unsigned int contrast:1;
+ unsigned int overscan_h:1;
+
+ unsigned int overscan_v:1;
+ unsigned int hpos:1;
+ unsigned int vpos:1;
+ unsigned int sharpness:1;
+ unsigned int dot_crawl:1;
+ unsigned int dither:1;
+ unsigned int tv_chroma_filter:1;
+ unsigned int tv_luma_filter:1;
+} __attribute__((packed));
+
+/* Picture enhancement limits below are dependent on the current TV format,
+ * and thus need to be queried and set after it.
+ */
+#define SDVO_CMD_GET_MAX_FLICKER_FILTER 0x4d
+#define SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE 0x7b
+#define SDVO_CMD_GET_MAX_FLICKER_FILTER_2D 0x52
+#define SDVO_CMD_GET_MAX_SATURATION 0x55
+#define SDVO_CMD_GET_MAX_HUE 0x58
+#define SDVO_CMD_GET_MAX_BRIGHTNESS 0x5b
+#define SDVO_CMD_GET_MAX_CONTRAST 0x5e
+#define SDVO_CMD_GET_MAX_OVERSCAN_H 0x61
+#define SDVO_CMD_GET_MAX_OVERSCAN_V 0x64
+#define SDVO_CMD_GET_MAX_HPOS 0x67
+#define SDVO_CMD_GET_MAX_VPOS 0x6a
+#define SDVO_CMD_GET_MAX_SHARPNESS 0x6d
+#define SDVO_CMD_GET_MAX_TV_CHROMA_FILTER 0x74
+#define SDVO_CMD_GET_MAX_TV_LUMA_FILTER 0x77
+struct psb_intel_sdvo_enhancement_limits_reply {
+ u16 max_value;
+ u16 default_value;
+} __attribute__((packed));
+
+#define SDVO_CMD_GET_LVDS_PANEL_INFORMATION 0x7f
+#define SDVO_CMD_SET_LVDS_PANEL_INFORMATION 0x80
+# define SDVO_LVDS_COLOR_DEPTH_18 (0 << 0)
+# define SDVO_LVDS_COLOR_DEPTH_24 (1 << 0)
+# define SDVO_LVDS_CONNECTOR_SPWG (0 << 2)
+# define SDVO_LVDS_CONNECTOR_OPENLDI (1 << 2)
+# define SDVO_LVDS_SINGLE_CHANNEL (0 << 4)
+# define SDVO_LVDS_DUAL_CHANNEL (1 << 4)
+
+#define SDVO_CMD_GET_FLICKER_FILTER 0x4e
+#define SDVO_CMD_SET_FLICKER_FILTER 0x4f
+#define SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE 0x50
+#define SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE 0x51
+#define SDVO_CMD_GET_FLICKER_FILTER_2D 0x53
+#define SDVO_CMD_SET_FLICKER_FILTER_2D 0x54
+#define SDVO_CMD_GET_SATURATION 0x56
+#define SDVO_CMD_SET_SATURATION 0x57
+#define SDVO_CMD_GET_HUE 0x59
+#define SDVO_CMD_SET_HUE 0x5a
+#define SDVO_CMD_GET_BRIGHTNESS 0x5c
+#define SDVO_CMD_SET_BRIGHTNESS 0x5d
+#define SDVO_CMD_GET_CONTRAST 0x5f
+#define SDVO_CMD_SET_CONTRAST 0x60
+#define SDVO_CMD_GET_OVERSCAN_H 0x62
+#define SDVO_CMD_SET_OVERSCAN_H 0x63
+#define SDVO_CMD_GET_OVERSCAN_V 0x65
+#define SDVO_CMD_SET_OVERSCAN_V 0x66
+#define SDVO_CMD_GET_HPOS 0x68
+#define SDVO_CMD_SET_HPOS 0x69
+#define SDVO_CMD_GET_VPOS 0x6b
+#define SDVO_CMD_SET_VPOS 0x6c
+#define SDVO_CMD_GET_SHARPNESS 0x6e
+#define SDVO_CMD_SET_SHARPNESS 0x6f
+#define SDVO_CMD_GET_TV_CHROMA_FILTER 0x75
+#define SDVO_CMD_SET_TV_CHROMA_FILTER 0x76
+#define SDVO_CMD_GET_TV_LUMA_FILTER 0x78
+#define SDVO_CMD_SET_TV_LUMA_FILTER 0x79
+struct psb_intel_sdvo_enhancements_arg {
+ u16 value;
+}__attribute__((packed));
+
+#define SDVO_CMD_GET_DOT_CRAWL 0x70
+#define SDVO_CMD_SET_DOT_CRAWL 0x71
+# define SDVO_DOT_CRAWL_ON (1 << 0)
+# define SDVO_DOT_CRAWL_DEFAULT_ON (1 << 1)
+
+#define SDVO_CMD_GET_DITHER 0x72
+#define SDVO_CMD_SET_DITHER 0x73
+# define SDVO_DITHER_ON (1 << 0)
+# define SDVO_DITHER_DEFAULT_ON (1 << 1)
+
+#define SDVO_CMD_SET_CONTROL_BUS_SWITCH 0x7a
+# define SDVO_CONTROL_BUS_PROM (1 << 0)
+# define SDVO_CONTROL_BUS_DDC1 (1 << 1)
+# define SDVO_CONTROL_BUS_DDC2 (1 << 2)
+# define SDVO_CONTROL_BUS_DDC3 (1 << 3)
+
+/* HDMI op codes */
+#define SDVO_CMD_GET_SUPP_ENCODE 0x9d
+#define SDVO_CMD_GET_ENCODE 0x9e
+#define SDVO_CMD_SET_ENCODE 0x9f
+ #define SDVO_ENCODE_DVI 0x0
+ #define SDVO_ENCODE_HDMI 0x1
+#define SDVO_CMD_SET_PIXEL_REPLI 0x8b
+#define SDVO_CMD_GET_PIXEL_REPLI 0x8c
+#define SDVO_CMD_GET_COLORIMETRY_CAP 0x8d
+#define SDVO_CMD_SET_COLORIMETRY 0x8e
+ #define SDVO_COLORIMETRY_RGB256 0x0
+ #define SDVO_COLORIMETRY_RGB220 0x1
+ #define SDVO_COLORIMETRY_YCrCb422 0x3
+ #define SDVO_COLORIMETRY_YCrCb444 0x4
+#define SDVO_CMD_GET_COLORIMETRY 0x8f
+#define SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER 0x90
+#define SDVO_CMD_SET_AUDIO_STAT 0x91
+#define SDVO_CMD_GET_AUDIO_STAT 0x92
+#define SDVO_CMD_SET_HBUF_INDEX 0x93
+#define SDVO_CMD_GET_HBUF_INDEX 0x94
+#define SDVO_CMD_GET_HBUF_INFO 0x95
+#define SDVO_CMD_SET_HBUF_AV_SPLIT 0x96
+#define SDVO_CMD_GET_HBUF_AV_SPLIT 0x97
+#define SDVO_CMD_SET_HBUF_DATA 0x98
+#define SDVO_CMD_GET_HBUF_DATA 0x99
+#define SDVO_CMD_SET_HBUF_TXRATE 0x9a
+#define SDVO_CMD_GET_HBUF_TXRATE 0x9b
+ #define SDVO_HBUF_TX_DISABLED (0 << 6)
+ #define SDVO_HBUF_TX_ONCE (2 << 6)
+ #define SDVO_HBUF_TX_VSYNC (3 << 6)
+#define SDVO_CMD_GET_AUDIO_TX_INFO 0x9c
+#define SDVO_NEED_TO_STALL (1 << 7)
+
+struct psb_intel_sdvo_encode {
+ u8 dvi_rev;
+ u8 hdmi_rev;
+} __attribute__ ((packed));
diff --git a/drivers/gpu/drm/gma500/psb_irq.c b/drivers/gpu/drm/gma500/psb_irq.c
new file mode 100644
index 0000000..78eb109
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_irq.c
@@ -0,0 +1,684 @@
+/**************************************************************************
+ * Copyright (c) 2007, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ * develop this driver.
+ *
+ **************************************************************************/
+/*
+ */
+
+#include <drm/drmP.h>
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include "power.h"
+#include "psb_irq.h"
+#include "mdfld_output.h"
+
+/*
+ * inline functions
+ */
+
+static inline u32
+psb_pipestat(int pipe)
+{
+ if (pipe == 0)
+ return PIPEASTAT;
+ if (pipe == 1)
+ return PIPEBSTAT;
+ if (pipe == 2)
+ return PIPECSTAT;
+ BUG();
+}
+
+static inline u32
+mid_pipe_event(int pipe)
+{
+ if (pipe == 0)
+ return _PSB_PIPEA_EVENT_FLAG;
+ if (pipe == 1)
+ return _MDFLD_PIPEB_EVENT_FLAG;
+ if (pipe == 2)
+ return _MDFLD_PIPEC_EVENT_FLAG;
+ BUG();
+}
+
+static inline u32
+mid_pipe_vsync(int pipe)
+{
+ if (pipe == 0)
+ return _PSB_VSYNC_PIPEA_FLAG;
+ if (pipe == 1)
+ return _PSB_VSYNC_PIPEB_FLAG;
+ if (pipe == 2)
+ return _MDFLD_PIPEC_VBLANK_FLAG;
+ BUG();
+}
+
+static inline u32
+mid_pipeconf(int pipe)
+{
+ if (pipe == 0)
+ return PIPEACONF;
+ if (pipe == 1)
+ return PIPEBCONF;
+ if (pipe == 2)
+ return PIPECCONF;
+ BUG();
+}
+
+void
+psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
+{
+ if ((dev_priv->pipestat[pipe] & mask) != mask) {
+ u32 reg = psb_pipestat(pipe);
+ dev_priv->pipestat[pipe] |= mask;
+ /* Enable the interrupt, clear any pending status */
+ if (gma_power_begin(dev_priv->dev, false)) {
+ u32 writeVal = PSB_RVDC32(reg);
+ writeVal |= (mask | (mask >> 16));
+ PSB_WVDC32(writeVal, reg);
+ (void) PSB_RVDC32(reg);
+ gma_power_end(dev_priv->dev);
+ }
+ }
+}
+
+void
+psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
+{
+ if ((dev_priv->pipestat[pipe] & mask) != 0) {
+ u32 reg = psb_pipestat(pipe);
+ dev_priv->pipestat[pipe] &= ~mask;
+ if (gma_power_begin(dev_priv->dev, false)) {
+ u32 writeVal = PSB_RVDC32(reg);
+ writeVal &= ~mask;
+ PSB_WVDC32(writeVal, reg);
+ (void) PSB_RVDC32(reg);
+ gma_power_end(dev_priv->dev);
+ }
+ }
+}
+
+static void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
+{
+ if (gma_power_begin(dev_priv->dev, false)) {
+ u32 pipe_event = mid_pipe_event(pipe);
+ dev_priv->vdc_irq_mask |= pipe_event;
+ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
+ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
+ gma_power_end(dev_priv->dev);
+ }
+}
+
+static void mid_disable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
+{
+ if (dev_priv->pipestat[pipe] == 0) {
+ if (gma_power_begin(dev_priv->dev, false)) {
+ u32 pipe_event = mid_pipe_event(pipe);
+ dev_priv->vdc_irq_mask &= ~pipe_event;
+ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
+ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
+ gma_power_end(dev_priv->dev);
+ }
+ }
+}
+
+/**
+ * Display controller interrupt handler for pipe event.
+ *
+ */
+static void mid_pipe_event_handler(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+
+ uint32_t pipe_stat_val = 0;
+ uint32_t pipe_stat_reg = psb_pipestat(pipe);
+ uint32_t pipe_enable = dev_priv->pipestat[pipe];
+ uint32_t pipe_status = dev_priv->pipestat[pipe] >> 16;
+ uint32_t pipe_clear;
+ uint32_t i = 0;
+
+ spin_lock(&dev_priv->irqmask_lock);
+
+ pipe_stat_val = PSB_RVDC32(pipe_stat_reg);
+ pipe_stat_val &= pipe_enable | pipe_status;
+ pipe_stat_val &= pipe_stat_val >> 16;
+
+ spin_unlock(&dev_priv->irqmask_lock);
+
+ /* Clear the 2nd level interrupt status bits
+ * Sometimes the bits are very sticky so we repeat until they unstick */
+ for (i = 0; i < 0xffff; i++) {
+ PSB_WVDC32(PSB_RVDC32(pipe_stat_reg), pipe_stat_reg);
+ pipe_clear = PSB_RVDC32(pipe_stat_reg) & pipe_status;
+
+ if (pipe_clear == 0)
+ break;
+ }
+
+ if (pipe_clear)
+ dev_err(dev->dev,
+ "%s, can't clear status bits for pipe %d, its value = 0x%x.\n",
+ __func__, pipe, PSB_RVDC32(pipe_stat_reg));
+
+ if (pipe_stat_val & PIPE_VBLANK_STATUS)
+ drm_handle_vblank(dev, pipe);
+
+ if (pipe_stat_val & PIPE_TE_STATUS)
+ drm_handle_vblank(dev, pipe);
+}
+
+/*
+ * Display controller interrupt handler.
+ */
+static void psb_vdc_interrupt(struct drm_device *dev, uint32_t vdc_stat)
+{
+ if (vdc_stat & _PSB_IRQ_ASLE)
+ psb_intel_opregion_asle_intr(dev);
+
+ if (vdc_stat & _PSB_VSYNC_PIPEA_FLAG)
+ mid_pipe_event_handler(dev, 0);
+
+ if (vdc_stat & _PSB_VSYNC_PIPEB_FLAG)
+ mid_pipe_event_handler(dev, 1);
+}
+
+/*
+ * SGX interrupt handler
+ */
+static void psb_sgx_interrupt(struct drm_device *dev, u32 stat_1, u32 stat_2)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ u32 val, addr;
+ int error = false;
+
+ if (stat_1 & _PSB_CE_TWOD_COMPLETE)
+ val = PSB_RSGX32(PSB_CR_2D_BLIT_STATUS);
+
+ if (stat_2 & _PSB_CE2_BIF_REQUESTER_FAULT) {
+ val = PSB_RSGX32(PSB_CR_BIF_INT_STAT);
+ addr = PSB_RSGX32(PSB_CR_BIF_FAULT);
+ if (val) {
+ if (val & _PSB_CBI_STAT_PF_N_RW)
+ DRM_ERROR("SGX MMU page fault:");
+ else
+ DRM_ERROR("SGX MMU read / write protection fault:");
+
+ if (val & _PSB_CBI_STAT_FAULT_CACHE)
+ DRM_ERROR("\tCache requestor");
+ if (val & _PSB_CBI_STAT_FAULT_TA)
+ DRM_ERROR("\tTA requestor");
+ if (val & _PSB_CBI_STAT_FAULT_VDM)
+ DRM_ERROR("\tVDM requestor");
+ if (val & _PSB_CBI_STAT_FAULT_2D)
+ DRM_ERROR("\t2D requestor");
+ if (val & _PSB_CBI_STAT_FAULT_PBE)
+ DRM_ERROR("\tPBE requestor");
+ if (val & _PSB_CBI_STAT_FAULT_TSP)
+ DRM_ERROR("\tTSP requestor");
+ if (val & _PSB_CBI_STAT_FAULT_ISP)
+ DRM_ERROR("\tISP requestor");
+ if (val & _PSB_CBI_STAT_FAULT_USSEPDS)
+ DRM_ERROR("\tUSSEPDS requestor");
+ if (val & _PSB_CBI_STAT_FAULT_HOST)
+ DRM_ERROR("\tHost requestor");
+
+ DRM_ERROR("\tMMU failing address is 0x%08x.\n",
+ (unsigned int)addr);
+ error = true;
+ }
+ }
+
+ /* Clear bits */
+ PSB_WSGX32(stat_1, PSB_CR_EVENT_HOST_CLEAR);
+ PSB_WSGX32(stat_2, PSB_CR_EVENT_HOST_CLEAR2);
+ PSB_RSGX32(PSB_CR_EVENT_HOST_CLEAR2);
+}
+
+irqreturn_t psb_irq_handler(int irq, void *arg)
+{
+ struct drm_device *dev = arg;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ uint32_t vdc_stat, dsp_int = 0, sgx_int = 0, hotplug_int = 0;
+ u32 sgx_stat_1, sgx_stat_2;
+ int handled = 0;
+
+ spin_lock(&dev_priv->irqmask_lock);
+
+ vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R);
+
+ if (vdc_stat & (_PSB_PIPE_EVENT_FLAG|_PSB_IRQ_ASLE))
+ dsp_int = 1;
+
+ /* FIXME: Handle Medfield
+ if (vdc_stat & _MDFLD_DISP_ALL_IRQ_FLAG)
+ dsp_int = 1;
+ */
+
+ if (vdc_stat & _PSB_IRQ_SGX_FLAG)
+ sgx_int = 1;
+ if (vdc_stat & _PSB_IRQ_DISP_HOTSYNC)
+ hotplug_int = 1;
+
+ vdc_stat &= dev_priv->vdc_irq_mask;
+ spin_unlock(&dev_priv->irqmask_lock);
+
+ if (dsp_int && gma_power_is_on(dev)) {
+ psb_vdc_interrupt(dev, vdc_stat);
+ handled = 1;
+ }
+
+ if (sgx_int) {
+ sgx_stat_1 = PSB_RSGX32(PSB_CR_EVENT_STATUS);
+ sgx_stat_2 = PSB_RSGX32(PSB_CR_EVENT_STATUS2);
+ psb_sgx_interrupt(dev, sgx_stat_1, sgx_stat_2);
+ handled = 1;
+ }
+
+ /* Note: this bit has other meanings on some devices, so we will
+ need to address that later if it ever matters */
+ if (hotplug_int && dev_priv->ops->hotplug) {
+ handled = dev_priv->ops->hotplug(dev);
+ REG_WRITE(PORT_HOTPLUG_STAT, REG_READ(PORT_HOTPLUG_STAT));
+ }
+
+ PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R);
+ (void) PSB_RVDC32(PSB_INT_IDENTITY_R);
+ rmb();
+
+ if (!handled)
+ return IRQ_NONE;
+
+ return IRQ_HANDLED;
+}
+
+void psb_irq_preinstall(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ if (gma_power_is_on(dev)) {
+ PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
+ PSB_WVDC32(0x00000000, PSB_INT_MASK_R);
+ PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
+ PSB_WSGX32(0x00000000, PSB_CR_EVENT_HOST_ENABLE);
+ PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE);
+ }
+ if (dev->vblank[0].enabled)
+ dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
+ if (dev->vblank[1].enabled)
+ dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
+
+ /* FIXME: Handle Medfield irq mask
+ if (dev->vblank[1].enabled)
+ dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG;
+ if (dev->vblank[2].enabled)
+ dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG;
+ */
+
+ /* Revisit this area - want per device masks ? */
+ if (dev_priv->ops->hotplug)
+ dev_priv->vdc_irq_mask |= _PSB_IRQ_DISP_HOTSYNC;
+ dev_priv->vdc_irq_mask |= _PSB_IRQ_ASLE | _PSB_IRQ_SGX_FLAG;
+
+ /* This register is safe even if display island is off */
+ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+}
+
+int psb_irq_postinstall(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ /* Enable 2D and MMU fault interrupts */
+ PSB_WSGX32(_PSB_CE2_BIF_REQUESTER_FAULT, PSB_CR_EVENT_HOST_ENABLE2);
+ PSB_WSGX32(_PSB_CE_TWOD_COMPLETE, PSB_CR_EVENT_HOST_ENABLE);
+ PSB_RSGX32(PSB_CR_EVENT_HOST_ENABLE); /* Post */
+
+ /* This register is safe even if display island is off */
+ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
+ PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
+
+ if (dev->vblank[0].enabled)
+ psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
+ else
+ psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ if (dev->vblank[1].enabled)
+ psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
+ else
+ psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ if (dev->vblank[2].enabled)
+ psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
+ else
+ psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ if (dev_priv->ops->hotplug_enable)
+ dev_priv->ops->hotplug_enable(dev, true);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+ return 0;
+}
+
+void psb_irq_uninstall(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ if (dev_priv->ops->hotplug_enable)
+ dev_priv->ops->hotplug_enable(dev, false);
+
+ PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
+
+ if (dev->vblank[0].enabled)
+ psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ if (dev->vblank[1].enabled)
+ psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ if (dev->vblank[2].enabled)
+ psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG |
+ _PSB_IRQ_MSVDX_FLAG |
+ _LNC_IRQ_TOPAZ_FLAG;
+
+ /* These two registers are safe even if display island is off */
+ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
+ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
+
+ wmb();
+
+ /* This register is safe even if display island is off */
+ PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R);
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+}
+
+void psb_irq_turn_on_dpst(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ u32 hist_reg;
+ u32 pwm_reg;
+
+ if (gma_power_begin(dev, false)) {
+ PSB_WVDC32(1 << 31, HISTOGRAM_LOGIC_CONTROL);
+ hist_reg = PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
+ PSB_WVDC32(1 << 31, HISTOGRAM_INT_CONTROL);
+ hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+
+ PSB_WVDC32(0x80010100, PWM_CONTROL_LOGIC);
+ pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
+ PSB_WVDC32(pwm_reg | PWM_PHASEIN_ENABLE
+ | PWM_PHASEIN_INT_ENABLE,
+ PWM_CONTROL_LOGIC);
+ pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
+
+ psb_enable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
+
+ hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+ PSB_WVDC32(hist_reg | HISTOGRAM_INT_CTRL_CLEAR,
+ HISTOGRAM_INT_CONTROL);
+ pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
+ PSB_WVDC32(pwm_reg | 0x80010100 | PWM_PHASEIN_ENABLE,
+ PWM_CONTROL_LOGIC);
+
+ gma_power_end(dev);
+ }
+}
+
+int psb_irq_enable_dpst(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ /* enable DPST */
+ mid_enable_pipe_event(dev_priv, 0);
+ psb_irq_turn_on_dpst(dev);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+ return 0;
+}
+
+void psb_irq_turn_off_dpst(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ u32 hist_reg;
+ u32 pwm_reg;
+
+ if (gma_power_begin(dev, false)) {
+ PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
+ hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
+
+ psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
+
+ pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
+ PSB_WVDC32(pwm_reg & ~PWM_PHASEIN_INT_ENABLE,
+ PWM_CONTROL_LOGIC);
+ pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
+
+ gma_power_end(dev);
+ }
+}
+
+int psb_irq_disable_dpst(struct drm_device *dev)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ mid_disable_pipe_event(dev_priv, 0);
+ psb_irq_turn_off_dpst(dev);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+
+ return 0;
+}
+
+/*
+ * It is used to enable VBLANK interrupt
+ */
+int psb_enable_vblank(struct drm_device *dev, unsigned int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+ uint32_t reg_val = 0;
+ uint32_t pipeconf_reg = mid_pipeconf(pipe);
+
+ /* Medfield is different - we should perhaps extract out vblank
+ and blacklight etc ops */
+ if (IS_MFLD(dev))
+ return mdfld_enable_te(dev, pipe);
+
+ if (gma_power_begin(dev, false)) {
+ reg_val = REG_READ(pipeconf_reg);
+ gma_power_end(dev);
+ }
+
+ if (!(reg_val & PIPEACONF_ENABLE))
+ return -EINVAL;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ if (pipe == 0)
+ dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
+ else if (pipe == 1)
+ dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
+
+ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
+ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
+ psb_enable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+
+ return 0;
+}
+
+/*
+ * It is used to disable VBLANK interrupt
+ */
+void psb_disable_vblank(struct drm_device *dev, unsigned int pipe)
+{
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ unsigned long irqflags;
+
+ if (IS_MFLD(dev))
+ mdfld_disable_te(dev, pipe);
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ if (pipe == 0)
+ dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEA_FLAG;
+ else if (pipe == 1)
+ dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEB_FLAG;
+
+ PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
+ PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
+ psb_disable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+}
+
+/*
+ * It is used to enable TE interrupt
+ */
+int mdfld_enable_te(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+ uint32_t reg_val = 0;
+ uint32_t pipeconf_reg = mid_pipeconf(pipe);
+
+ if (gma_power_begin(dev, false)) {
+ reg_val = REG_READ(pipeconf_reg);
+ gma_power_end(dev);
+ }
+
+ if (!(reg_val & PIPEACONF_ENABLE))
+ return -EINVAL;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ mid_enable_pipe_event(dev_priv, pipe);
+ psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+
+ return 0;
+}
+
+/*
+ * It is used to disable TE interrupt
+ */
+void mdfld_disable_te(struct drm_device *dev, int pipe)
+{
+ struct drm_psb_private *dev_priv =
+ (struct drm_psb_private *) dev->dev_private;
+ unsigned long irqflags;
+
+ if (!dev_priv->dsr_enable)
+ return;
+
+ spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
+
+ mid_disable_pipe_event(dev_priv, pipe);
+ psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
+
+ spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
+}
+
+/* Called from drm generic code, passed a 'crtc', which
+ * we use as a pipe index
+ */
+u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
+{
+ uint32_t high_frame = PIPEAFRAMEHIGH;
+ uint32_t low_frame = PIPEAFRAMEPIXEL;
+ uint32_t pipeconf_reg = PIPEACONF;
+ uint32_t reg_val = 0;
+ uint32_t high1 = 0, high2 = 0, low = 0, count = 0;
+
+ switch (pipe) {
+ case 0:
+ break;
+ case 1:
+ high_frame = PIPEBFRAMEHIGH;
+ low_frame = PIPEBFRAMEPIXEL;
+ pipeconf_reg = PIPEBCONF;
+ break;
+ case 2:
+ high_frame = PIPECFRAMEHIGH;
+ low_frame = PIPECFRAMEPIXEL;
+ pipeconf_reg = PIPECCONF;
+ break;
+ default:
+ dev_err(dev->dev, "%s, invalid pipe.\n", __func__);
+ return 0;
+ }
+
+ if (!gma_power_begin(dev, false))
+ return 0;
+
+ reg_val = REG_READ(pipeconf_reg);
+
+ if (!(reg_val & PIPEACONF_ENABLE)) {
+ dev_err(dev->dev, "trying to get vblank count for disabled pipe %u\n",
+ pipe);
+ goto psb_get_vblank_counter_exit;
+ }
+
+ /*
+ * High & low register fields aren't synchronized, so make sure
+ * we get a low value that's stable across two reads of the high
+ * register.
+ */
+ do {
+ high1 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
+ PIPE_FRAME_HIGH_SHIFT);
+ low = ((REG_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
+ PIPE_FRAME_LOW_SHIFT);
+ high2 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
+ PIPE_FRAME_HIGH_SHIFT);
+ } while (high1 != high2);
+
+ count = (high1 << 8) | low;
+
+psb_get_vblank_counter_exit:
+
+ gma_power_end(dev);
+
+ return count;
+}
+
diff --git a/drivers/gpu/drm/gma500/psb_irq.h b/drivers/gpu/drm/gma500/psb_irq.h
new file mode 100644
index 0000000..e6a81a8
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_irq.h
@@ -0,0 +1,47 @@
+/**************************************************************************
+ * Copyright (c) 2009-2011, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors:
+ * Benjamin Defnet <benjamin.r.defnet@intel.com>
+ * Rajesh Poornachandran <rajesh.poornachandran@intel.com>
+ *
+ **************************************************************************/
+
+#ifndef _PSB_IRQ_H_
+#define _PSB_IRQ_H_
+
+#include <drm/drmP.h>
+
+bool sysirq_init(struct drm_device *dev);
+void sysirq_uninit(struct drm_device *dev);
+
+void psb_irq_preinstall(struct drm_device *dev);
+int psb_irq_postinstall(struct drm_device *dev);
+void psb_irq_uninstall(struct drm_device *dev);
+irqreturn_t psb_irq_handler(int irq, void *arg);
+
+int psb_irq_enable_dpst(struct drm_device *dev);
+int psb_irq_disable_dpst(struct drm_device *dev);
+void psb_irq_turn_on_dpst(struct drm_device *dev);
+void psb_irq_turn_off_dpst(struct drm_device *dev);
+int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
+void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
+u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
+
+int mdfld_enable_te(struct drm_device *dev, int pipe);
+void mdfld_disable_te(struct drm_device *dev, int pipe);
+#endif /* _PSB_IRQ_H_ */
diff --git a/drivers/gpu/drm/gma500/psb_lid.c b/drivers/gpu/drm/gma500/psb_lid.c
new file mode 100644
index 0000000..1d2ebb5
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_lid.c
@@ -0,0 +1,94 @@
+/**************************************************************************
+ * Copyright (c) 2007, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
+ **************************************************************************/
+
+#include <drm/drmP.h>
+#include "psb_drv.h"
+#include "psb_reg.h"
+#include "psb_intel_reg.h"
+#include <linux/spinlock.h>
+
+static void psb_lid_timer_func(unsigned long data)
+{
+ struct drm_psb_private * dev_priv = (struct drm_psb_private *)data;
+ struct drm_device *dev = (struct drm_device *)dev_priv->dev;
+ struct timer_list *lid_timer = &dev_priv->lid_timer;
+ unsigned long irq_flags;
+ u32 __iomem *lid_state = dev_priv->opregion.lid_state;
+ u32 pp_status;
+
+ if (readl(lid_state) == dev_priv->lid_last_state)
+ goto lid_timer_schedule;
+
+ if ((readl(lid_state)) & 0x01) {
+ /*lid state is open*/
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0 &&
+ (pp_status & PP_SEQUENCE_MASK) != 0);
+
+ if (REG_READ(PP_STATUS) & PP_ON) {
+ /*FIXME: should be backlight level before*/
+ psb_intel_lvds_set_brightness(dev, 100);
+ } else {
+ DRM_DEBUG("LVDS panel never powered up");
+ return;
+ }
+ } else {
+ psb_intel_lvds_set_brightness(dev, 0);
+
+ REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & ~POWER_TARGET_ON);
+ do {
+ pp_status = REG_READ(PP_STATUS);
+ } while ((pp_status & PP_ON) == 0);
+ }
+ dev_priv->lid_last_state = readl(lid_state);
+
+lid_timer_schedule:
+ spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
+ if (!timer_pending(lid_timer)) {
+ lid_timer->expires = jiffies + PSB_LID_DELAY;
+ add_timer(lid_timer);
+ }
+ spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
+}
+
+void psb_lid_timer_init(struct drm_psb_private *dev_priv)
+{
+ struct timer_list *lid_timer = &dev_priv->lid_timer;
+ unsigned long irq_flags;
+
+ spin_lock_init(&dev_priv->lid_lock);
+ spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
+
+ init_timer(lid_timer);
+
+ lid_timer->data = (unsigned long)dev_priv;
+ lid_timer->function = psb_lid_timer_func;
+ lid_timer->expires = jiffies + PSB_LID_DELAY;
+
+ add_timer(lid_timer);
+ spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
+}
+
+void psb_lid_timer_takedown(struct drm_psb_private *dev_priv)
+{
+ del_timer_sync(&dev_priv->lid_timer);
+}
+
diff --git a/drivers/gpu/drm/gma500/psb_reg.h b/drivers/gpu/drm/gma500/psb_reg.h
new file mode 100644
index 0000000..b81c7c1
--- /dev/null
+++ b/drivers/gpu/drm/gma500/psb_reg.h
@@ -0,0 +1,582 @@
+/**************************************************************************
+ *
+ * Copyright (c) (2005-2007) Imagination Technologies Limited.
+ * Copyright (c) 2007, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA..
+ *
+ **************************************************************************/
+
+#ifndef _PSB_REG_H_
+#define _PSB_REG_H_
+
+#define PSB_CR_CLKGATECTL 0x0000
+#define _PSB_C_CLKGATECTL_AUTO_MAN_REG (1 << 24)
+#define _PSB_C_CLKGATECTL_USE_CLKG_SHIFT (20)
+#define _PSB_C_CLKGATECTL_USE_CLKG_MASK (0x3 << 20)
+#define _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT (16)
+#define _PSB_C_CLKGATECTL_DPM_CLKG_MASK (0x3 << 16)
+#define _PSB_C_CLKGATECTL_TA_CLKG_SHIFT (12)
+#define _PSB_C_CLKGATECTL_TA_CLKG_MASK (0x3 << 12)
+#define _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT (8)
+#define _PSB_C_CLKGATECTL_TSP_CLKG_MASK (0x3 << 8)
+#define _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT (4)
+#define _PSB_C_CLKGATECTL_ISP_CLKG_MASK (0x3 << 4)
+#define _PSB_C_CLKGATECTL_2D_CLKG_SHIFT (0)
+#define _PSB_C_CLKGATECTL_2D_CLKG_MASK (0x3 << 0)
+#define _PSB_C_CLKGATECTL_CLKG_ENABLED (0)
+#define _PSB_C_CLKGATECTL_CLKG_DISABLED (1)
+#define _PSB_C_CLKGATECTL_CLKG_AUTO (2)
+
+#define PSB_CR_CORE_ID 0x0010
+#define _PSB_CC_ID_ID_SHIFT (16)
+#define _PSB_CC_ID_ID_MASK (0xFFFF << 16)
+#define _PSB_CC_ID_CONFIG_SHIFT (0)
+#define _PSB_CC_ID_CONFIG_MASK (0xFFFF << 0)
+
+#define PSB_CR_CORE_REVISION 0x0014
+#define _PSB_CC_REVISION_DESIGNER_SHIFT (24)
+#define _PSB_CC_REVISION_DESIGNER_MASK (0xFF << 24)
+#define _PSB_CC_REVISION_MAJOR_SHIFT (16)
+#define _PSB_CC_REVISION_MAJOR_MASK (0xFF << 16)
+#define _PSB_CC_REVISION_MINOR_SHIFT (8)
+#define _PSB_CC_REVISION_MINOR_MASK (0xFF << 8)
+#define _PSB_CC_REVISION_MAINTENANCE_SHIFT (0)
+#define _PSB_CC_REVISION_MAINTENANCE_MASK (0xFF << 0)
+
+#define PSB_CR_DESIGNER_REV_FIELD1 0x0018
+
+#define PSB_CR_SOFT_RESET 0x0080
+#define _PSB_CS_RESET_TSP_RESET (1 << 6)
+#define _PSB_CS_RESET_ISP_RESET (1 << 5)
+#define _PSB_CS_RESET_USE_RESET (1 << 4)
+#define _PSB_CS_RESET_TA_RESET (1 << 3)
+#define _PSB_CS_RESET_DPM_RESET (1 << 2)
+#define _PSB_CS_RESET_TWOD_RESET (1 << 1)
+#define _PSB_CS_RESET_BIF_RESET (1 << 0)
+
+#define PSB_CR_DESIGNER_REV_FIELD2 0x001C
+
+#define PSB_CR_EVENT_HOST_ENABLE2 0x0110
+
+#define PSB_CR_EVENT_STATUS2 0x0118
+
+#define PSB_CR_EVENT_HOST_CLEAR2 0x0114
+#define _PSB_CE2_BIF_REQUESTER_FAULT (1 << 4)
+
+#define PSB_CR_EVENT_STATUS 0x012C
+
+#define PSB_CR_EVENT_HOST_ENABLE 0x0130
+
+#define PSB_CR_EVENT_HOST_CLEAR 0x0134
+#define _PSB_CE_MASTER_INTERRUPT (1 << 31)
+#define _PSB_CE_TA_DPM_FAULT (1 << 28)
+#define _PSB_CE_TWOD_COMPLETE (1 << 27)
+#define _PSB_CE_DPM_OUT_OF_MEMORY_ZLS (1 << 25)
+#define _PSB_CE_DPM_TA_MEM_FREE (1 << 24)
+#define _PSB_CE_PIXELBE_END_RENDER (1 << 18)
+#define _PSB_CE_SW_EVENT (1 << 14)
+#define _PSB_CE_TA_FINISHED (1 << 13)
+#define _PSB_CE_TA_TERMINATE (1 << 12)
+#define _PSB_CE_DPM_REACHED_MEM_THRESH (1 << 3)
+#define _PSB_CE_DPM_OUT_OF_MEMORY_GBL (1 << 2)
+#define _PSB_CE_DPM_OUT_OF_MEMORY_MT (1 << 1)
+#define _PSB_CE_DPM_3D_MEM_FREE (1 << 0)
+
+
+#define PSB_USE_OFFSET_MASK 0x0007FFFF
+#define PSB_USE_OFFSET_SIZE (PSB_USE_OFFSET_MASK + 1)
+#define PSB_CR_USE_CODE_BASE0 0x0A0C
+#define PSB_CR_USE_CODE_BASE1 0x0A10
+#define PSB_CR_USE_CODE_BASE2 0x0A14
+#define PSB_CR_USE_CODE_BASE3 0x0A18
+#define PSB_CR_USE_CODE_BASE4 0x0A1C
+#define PSB_CR_USE_CODE_BASE5 0x0A20
+#define PSB_CR_USE_CODE_BASE6 0x0A24
+#define PSB_CR_USE_CODE_BASE7 0x0A28
+#define PSB_CR_USE_CODE_BASE8 0x0A2C
+#define PSB_CR_USE_CODE_BASE9 0x0A30
+#define PSB_CR_USE_CODE_BASE10 0x0A34
+#define PSB_CR_USE_CODE_BASE11 0x0A38
+#define PSB_CR_USE_CODE_BASE12 0x0A3C
+#define PSB_CR_USE_CODE_BASE13 0x0A40
+#define PSB_CR_USE_CODE_BASE14 0x0A44
+#define PSB_CR_USE_CODE_BASE15 0x0A48
+#define PSB_CR_USE_CODE_BASE(_i) (0x0A0C + ((_i) << 2))
+#define _PSB_CUC_BASE_DM_SHIFT (25)
+#define _PSB_CUC_BASE_DM_MASK (0x3 << 25)
+#define _PSB_CUC_BASE_ADDR_SHIFT (0) /* 1024-bit aligned address? */
+#define _PSB_CUC_BASE_ADDR_ALIGNSHIFT (7)
+#define _PSB_CUC_BASE_ADDR_MASK (0x1FFFFFF << 0)
+#define _PSB_CUC_DM_VERTEX (0)
+#define _PSB_CUC_DM_PIXEL (1)
+#define _PSB_CUC_DM_RESERVED (2)
+#define _PSB_CUC_DM_EDM (3)
+
+#define PSB_CR_PDS_EXEC_BASE 0x0AB8
+#define _PSB_CR_PDS_EXEC_BASE_ADDR_SHIFT (20) /* 1MB aligned address */
+#define _PSB_CR_PDS_EXEC_BASE_ADDR_ALIGNSHIFT (20)
+
+#define PSB_CR_EVENT_KICKER 0x0AC4
+#define _PSB_CE_KICKER_ADDRESS_SHIFT (4) /* 128-bit aligned address */
+
+#define PSB_CR_EVENT_KICK 0x0AC8
+#define _PSB_CE_KICK_NOW (1 << 0)
+
+#define PSB_CR_BIF_DIR_LIST_BASE1 0x0C38
+
+#define PSB_CR_BIF_CTRL 0x0C00
+#define _PSB_CB_CTRL_CLEAR_FAULT (1 << 4)
+#define _PSB_CB_CTRL_INVALDC (1 << 3)
+#define _PSB_CB_CTRL_FLUSH (1 << 2)
+
+#define PSB_CR_BIF_INT_STAT 0x0C04
+
+#define PSB_CR_BIF_FAULT 0x0C08
+#define _PSB_CBI_STAT_PF_N_RW (1 << 14)
+#define _PSB_CBI_STAT_FAULT_SHIFT (0)
+#define _PSB_CBI_STAT_FAULT_MASK (0x3FFF << 0)
+#define _PSB_CBI_STAT_FAULT_CACHE (1 << 1)
+#define _PSB_CBI_STAT_FAULT_TA (1 << 2)
+#define _PSB_CBI_STAT_FAULT_VDM (1 << 3)
+#define _PSB_CBI_STAT_FAULT_2D (1 << 4)
+#define _PSB_CBI_STAT_FAULT_PBE (1 << 5)
+#define _PSB_CBI_STAT_FAULT_TSP (1 << 6)
+#define _PSB_CBI_STAT_FAULT_ISP (1 << 7)
+#define _PSB_CBI_STAT_FAULT_USSEPDS (1 << 8)
+#define _PSB_CBI_STAT_FAULT_HOST (1 << 9)
+
+#define PSB_CR_BIF_BANK0 0x0C78
+#define PSB_CR_BIF_BANK1 0x0C7C
+#define PSB_CR_BIF_DIR_LIST_BASE0 0x0C84
+#define PSB_CR_BIF_TWOD_REQ_BASE 0x0C88
+#define PSB_CR_BIF_3D_REQ_BASE 0x0CAC
+
+#define PSB_CR_2D_SOCIF 0x0E18
+#define _PSB_C2_SOCIF_FREESPACE_SHIFT (0)
+#define _PSB_C2_SOCIF_FREESPACE_MASK (0xFF << 0)
+#define _PSB_C2_SOCIF_EMPTY (0x80 << 0)
+
+#define PSB_CR_2D_BLIT_STATUS 0x0E04
+#define _PSB_C2B_STATUS_BUSY (1 << 24)
+#define _PSB_C2B_STATUS_COMPLETE_SHIFT (0)
+#define _PSB_C2B_STATUS_COMPLETE_MASK (0xFFFFFF << 0)
+
+/*
+ * 2D defs.
+ */
+
+/*
+ * 2D Slave Port Data : Block Header's Object Type
+ */
+
+#define PSB_2D_CLIP_BH (0x00000000)
+#define PSB_2D_PAT_BH (0x10000000)
+#define PSB_2D_CTRL_BH (0x20000000)
+#define PSB_2D_SRC_OFF_BH (0x30000000)
+#define PSB_2D_MASK_OFF_BH (0x40000000)
+#define PSB_2D_RESERVED1_BH (0x50000000)
+#define PSB_2D_RESERVED2_BH (0x60000000)
+#define PSB_2D_FENCE_BH (0x70000000)
+#define PSB_2D_BLIT_BH (0x80000000)
+#define PSB_2D_SRC_SURF_BH (0x90000000)
+#define PSB_2D_DST_SURF_BH (0xA0000000)
+#define PSB_2D_PAT_SURF_BH (0xB0000000)
+#define PSB_2D_SRC_PAL_BH (0xC0000000)
+#define PSB_2D_PAT_PAL_BH (0xD0000000)
+#define PSB_2D_MASK_SURF_BH (0xE0000000)
+#define PSB_2D_FLUSH_BH (0xF0000000)
+
+/*
+ * Clip Definition block (PSB_2D_CLIP_BH)
+ */
+#define PSB_2D_CLIPCOUNT_MAX (1)
+#define PSB_2D_CLIPCOUNT_MASK (0x00000000)
+#define PSB_2D_CLIPCOUNT_CLRMASK (0xFFFFFFFF)
+#define PSB_2D_CLIPCOUNT_SHIFT (0)
+/* clip rectangle min & max */
+#define PSB_2D_CLIP_XMAX_MASK (0x00FFF000)
+#define PSB_2D_CLIP_XMAX_CLRMASK (0xFF000FFF)
+#define PSB_2D_CLIP_XMAX_SHIFT (12)
+#define PSB_2D_CLIP_XMIN_MASK (0x00000FFF)
+#define PSB_2D_CLIP_XMIN_CLRMASK (0x00FFF000)
+#define PSB_2D_CLIP_XMIN_SHIFT (0)
+/* clip rectangle offset */
+#define PSB_2D_CLIP_YMAX_MASK (0x00FFF000)
+#define PSB_2D_CLIP_YMAX_CLRMASK (0xFF000FFF)
+#define PSB_2D_CLIP_YMAX_SHIFT (12)
+#define PSB_2D_CLIP_YMIN_MASK (0x00000FFF)
+#define PSB_2D_CLIP_YMIN_CLRMASK (0x00FFF000)
+#define PSB_2D_CLIP_YMIN_SHIFT (0)
+
+/*
+ * Pattern Control (PSB_2D_PAT_BH)
+ */
+#define PSB_2D_PAT_HEIGHT_MASK (0x0000001F)
+#define PSB_2D_PAT_HEIGHT_SHIFT (0)
+#define PSB_2D_PAT_WIDTH_MASK (0x000003E0)
+#define PSB_2D_PAT_WIDTH_SHIFT (5)
+#define PSB_2D_PAT_YSTART_MASK (0x00007C00)
+#define PSB_2D_PAT_YSTART_SHIFT (10)
+#define PSB_2D_PAT_XSTART_MASK (0x000F8000)
+#define PSB_2D_PAT_XSTART_SHIFT (15)
+
+/*
+ * 2D Control block (PSB_2D_CTRL_BH)
+ */
+/* Present Flags */
+#define PSB_2D_SRCCK_CTRL (0x00000001)
+#define PSB_2D_DSTCK_CTRL (0x00000002)
+#define PSB_2D_ALPHA_CTRL (0x00000004)
+/* Colour Key Colour (SRC/DST)*/
+#define PSB_2D_CK_COL_MASK (0xFFFFFFFF)
+#define PSB_2D_CK_COL_CLRMASK (0x00000000)
+#define PSB_2D_CK_COL_SHIFT (0)
+/* Colour Key Mask (SRC/DST)*/
+#define PSB_2D_CK_MASK_MASK (0xFFFFFFFF)
+#define PSB_2D_CK_MASK_CLRMASK (0x00000000)
+#define PSB_2D_CK_MASK_SHIFT (0)
+/* Alpha Control (Alpha/RGB)*/
+#define PSB_2D_GBLALPHA_MASK (0x000FF000)
+#define PSB_2D_GBLALPHA_CLRMASK (0xFFF00FFF)
+#define PSB_2D_GBLALPHA_SHIFT (12)
+#define PSB_2D_SRCALPHA_OP_MASK (0x00700000)
+#define PSB_2D_SRCALPHA_OP_CLRMASK (0xFF8FFFFF)
+#define PSB_2D_SRCALPHA_OP_SHIFT (20)
+#define PSB_2D_SRCALPHA_OP_ONE (0x00000000)
+#define PSB_2D_SRCALPHA_OP_SRC (0x00100000)
+#define PSB_2D_SRCALPHA_OP_DST (0x00200000)
+#define PSB_2D_SRCALPHA_OP_SG (0x00300000)
+#define PSB_2D_SRCALPHA_OP_DG (0x00400000)
+#define PSB_2D_SRCALPHA_OP_GBL (0x00500000)
+#define PSB_2D_SRCALPHA_OP_ZERO (0x00600000)
+#define PSB_2D_SRCALPHA_INVERT (0x00800000)
+#define PSB_2D_SRCALPHA_INVERT_CLR (0xFF7FFFFF)
+#define PSB_2D_DSTALPHA_OP_MASK (0x07000000)
+#define PSB_2D_DSTALPHA_OP_CLRMASK (0xF8FFFFFF)
+#define PSB_2D_DSTALPHA_OP_SHIFT (24)
+#define PSB_2D_DSTALPHA_OP_ONE (0x00000000)
+#define PSB_2D_DSTALPHA_OP_SRC (0x01000000)
+#define PSB_2D_DSTALPHA_OP_DST (0x02000000)
+#define PSB_2D_DSTALPHA_OP_SG (0x03000000)
+#define PSB_2D_DSTALPHA_OP_DG (0x04000000)
+#define PSB_2D_DSTALPHA_OP_GBL (0x05000000)
+#define PSB_2D_DSTALPHA_OP_ZERO (0x06000000)
+#define PSB_2D_DSTALPHA_INVERT (0x08000000)
+#define PSB_2D_DSTALPHA_INVERT_CLR (0xF7FFFFFF)
+
+#define PSB_2D_PRE_MULTIPLICATION_ENABLE (0x10000000)
+#define PSB_2D_PRE_MULTIPLICATION_CLRMASK (0xEFFFFFFF)
+#define PSB_2D_ZERO_SOURCE_ALPHA_ENABLE (0x20000000)
+#define PSB_2D_ZERO_SOURCE_ALPHA_CLRMASK (0xDFFFFFFF)
+
+/*
+ *Source Offset (PSB_2D_SRC_OFF_BH)
+ */
+#define PSB_2D_SRCOFF_XSTART_MASK ((0x00000FFF) << 12)
+#define PSB_2D_SRCOFF_XSTART_SHIFT (12)
+#define PSB_2D_SRCOFF_YSTART_MASK (0x00000FFF)
+#define PSB_2D_SRCOFF_YSTART_SHIFT (0)
+
+/*
+ * Mask Offset (PSB_2D_MASK_OFF_BH)
+ */
+#define PSB_2D_MASKOFF_XSTART_MASK ((0x00000FFF) << 12)
+#define PSB_2D_MASKOFF_XSTART_SHIFT (12)
+#define PSB_2D_MASKOFF_YSTART_MASK (0x00000FFF)
+#define PSB_2D_MASKOFF_YSTART_SHIFT (0)
+
+/*
+ * 2D Fence (see PSB_2D_FENCE_BH): bits 0:27 are ignored
+ */
+
+/*
+ *Blit Rectangle (PSB_2D_BLIT_BH)
+ */
+
+#define PSB_2D_ROT_MASK (3 << 25)
+#define PSB_2D_ROT_CLRMASK (~PSB_2D_ROT_MASK)
+#define PSB_2D_ROT_NONE (0 << 25)
+#define PSB_2D_ROT_90DEGS (1 << 25)
+#define PSB_2D_ROT_180DEGS (2 << 25)
+#define PSB_2D_ROT_270DEGS (3 << 25)
+
+#define PSB_2D_COPYORDER_MASK (3 << 23)
+#define PSB_2D_COPYORDER_CLRMASK (~PSB_2D_COPYORDER_MASK)
+#define PSB_2D_COPYORDER_TL2BR (0 << 23)
+#define PSB_2D_COPYORDER_BR2TL (1 << 23)
+#define PSB_2D_COPYORDER_TR2BL (2 << 23)
+#define PSB_2D_COPYORDER_BL2TR (3 << 23)
+
+#define PSB_2D_DSTCK_CLRMASK (0xFF9FFFFF)
+#define PSB_2D_DSTCK_DISABLE (0x00000000)
+#define PSB_2D_DSTCK_PASS (0x00200000)
+#define PSB_2D_DSTCK_REJECT (0x00400000)
+
+#define PSB_2D_SRCCK_CLRMASK (0xFFE7FFFF)
+#define PSB_2D_SRCCK_DISABLE (0x00000000)
+#define PSB_2D_SRCCK_PASS (0x00080000)
+#define PSB_2D_SRCCK_REJECT (0x00100000)
+
+#define PSB_2D_CLIP_ENABLE (0x00040000)
+
+#define PSB_2D_ALPHA_ENABLE (0x00020000)
+
+#define PSB_2D_PAT_CLRMASK (0xFFFEFFFF)
+#define PSB_2D_PAT_MASK (0x00010000)
+#define PSB_2D_USE_PAT (0x00010000)
+#define PSB_2D_USE_FILL (0x00000000)
+/*
+ * Tungsten Graphics note on rop codes: If rop A and rop B are
+ * identical, the mask surface will not be read and need not be
+ * set up.
+ */
+
+#define PSB_2D_ROP3B_MASK (0x0000FF00)
+#define PSB_2D_ROP3B_CLRMASK (0xFFFF00FF)
+#define PSB_2D_ROP3B_SHIFT (8)
+/* rop code A */
+#define PSB_2D_ROP3A_MASK (0x000000FF)
+#define PSB_2D_ROP3A_CLRMASK (0xFFFFFF00)
+#define PSB_2D_ROP3A_SHIFT (0)
+
+#define PSB_2D_ROP4_MASK (0x0000FFFF)
+/*
+ * DWORD0: (Only pass if Pattern control == Use Fill Colour)
+ * Fill Colour RGBA8888
+ */
+#define PSB_2D_FILLCOLOUR_MASK (0xFFFFFFFF)
+#define PSB_2D_FILLCOLOUR_SHIFT (0)
+/*
+ * DWORD1: (Always Present)
+ * X Start (Dest)
+ * Y Start (Dest)
+ */
+#define PSB_2D_DST_XSTART_MASK (0x00FFF000)
+#define PSB_2D_DST_XSTART_CLRMASK (0xFF000FFF)
+#define PSB_2D_DST_XSTART_SHIFT (12)
+#define PSB_2D_DST_YSTART_MASK (0x00000FFF)
+#define PSB_2D_DST_YSTART_CLRMASK (0xFFFFF000)
+#define PSB_2D_DST_YSTART_SHIFT (0)
+/*
+ * DWORD2: (Always Present)
+ * X Size (Dest)
+ * Y Size (Dest)
+ */
+#define PSB_2D_DST_XSIZE_MASK (0x00FFF000)
+#define PSB_2D_DST_XSIZE_CLRMASK (0xFF000FFF)
+#define PSB_2D_DST_XSIZE_SHIFT (12)
+#define PSB_2D_DST_YSIZE_MASK (0x00000FFF)
+#define PSB_2D_DST_YSIZE_CLRMASK (0xFFFFF000)
+#define PSB_2D_DST_YSIZE_SHIFT (0)
+
+/*
+ * Source Surface (PSB_2D_SRC_SURF_BH)
+ */
+/*
+ * WORD 0
+ */
+
+#define PSB_2D_SRC_FORMAT_MASK (0x00078000)
+#define PSB_2D_SRC_1_PAL (0x00000000)
+#define PSB_2D_SRC_2_PAL (0x00008000)
+#define PSB_2D_SRC_4_PAL (0x00010000)
+#define PSB_2D_SRC_8_PAL (0x00018000)
+#define PSB_2D_SRC_8_ALPHA (0x00020000)
+#define PSB_2D_SRC_4_ALPHA (0x00028000)
+#define PSB_2D_SRC_332RGB (0x00030000)
+#define PSB_2D_SRC_4444ARGB (0x00038000)
+#define PSB_2D_SRC_555RGB (0x00040000)
+#define PSB_2D_SRC_1555ARGB (0x00048000)
+#define PSB_2D_SRC_565RGB (0x00050000)
+#define PSB_2D_SRC_0888ARGB (0x00058000)
+#define PSB_2D_SRC_8888ARGB (0x00060000)
+#define PSB_2D_SRC_8888UYVY (0x00068000)
+#define PSB_2D_SRC_RESERVED (0x00070000)
+#define PSB_2D_SRC_1555ARGB_LOOKUP (0x00078000)
+
+
+#define PSB_2D_SRC_STRIDE_MASK (0x00007FFF)
+#define PSB_2D_SRC_STRIDE_CLRMASK (0xFFFF8000)
+#define PSB_2D_SRC_STRIDE_SHIFT (0)
+/*
+ * WORD 1 - Base Address
+ */
+#define PSB_2D_SRC_ADDR_MASK (0x0FFFFFFC)
+#define PSB_2D_SRC_ADDR_CLRMASK (0x00000003)
+#define PSB_2D_SRC_ADDR_SHIFT (2)
+#define PSB_2D_SRC_ADDR_ALIGNSHIFT (2)
+
+/*
+ * Pattern Surface (PSB_2D_PAT_SURF_BH)
+ */
+/*
+ * WORD 0
+ */
+
+#define PSB_2D_PAT_FORMAT_MASK (0x00078000)
+#define PSB_2D_PAT_1_PAL (0x00000000)
+#define PSB_2D_PAT_2_PAL (0x00008000)
+#define PSB_2D_PAT_4_PAL (0x00010000)
+#define PSB_2D_PAT_8_PAL (0x00018000)
+#define PSB_2D_PAT_8_ALPHA (0x00020000)
+#define PSB_2D_PAT_4_ALPHA (0x00028000)
+#define PSB_2D_PAT_332RGB (0x00030000)
+#define PSB_2D_PAT_4444ARGB (0x00038000)
+#define PSB_2D_PAT_555RGB (0x00040000)
+#define PSB_2D_PAT_1555ARGB (0x00048000)
+#define PSB_2D_PAT_565RGB (0x00050000)
+#define PSB_2D_PAT_0888ARGB (0x00058000)
+#define PSB_2D_PAT_8888ARGB (0x00060000)
+
+#define PSB_2D_PAT_STRIDE_MASK (0x00007FFF)
+#define PSB_2D_PAT_STRIDE_CLRMASK (0xFFFF8000)
+#define PSB_2D_PAT_STRIDE_SHIFT (0)
+/*
+ * WORD 1 - Base Address
+ */
+#define PSB_2D_PAT_ADDR_MASK (0x0FFFFFFC)
+#define PSB_2D_PAT_ADDR_CLRMASK (0x00000003)
+#define PSB_2D_PAT_ADDR_SHIFT (2)
+#define PSB_2D_PAT_ADDR_ALIGNSHIFT (2)
+
+/*
+ * Destination Surface (PSB_2D_DST_SURF_BH)
+ */
+/*
+ * WORD 0
+ */
+
+#define PSB_2D_DST_FORMAT_MASK (0x00078000)
+#define PSB_2D_DST_332RGB (0x00030000)
+#define PSB_2D_DST_4444ARGB (0x00038000)
+#define PSB_2D_DST_555RGB (0x00040000)
+#define PSB_2D_DST_1555ARGB (0x00048000)
+#define PSB_2D_DST_565RGB (0x00050000)
+#define PSB_2D_DST_0888ARGB (0x00058000)
+#define PSB_2D_DST_8888ARGB (0x00060000)
+#define PSB_2D_DST_8888AYUV (0x00070000)
+
+#define PSB_2D_DST_STRIDE_MASK (0x00007FFF)
+#define PSB_2D_DST_STRIDE_CLRMASK (0xFFFF8000)
+#define PSB_2D_DST_STRIDE_SHIFT (0)
+/*
+ * WORD 1 - Base Address
+ */
+#define PSB_2D_DST_ADDR_MASK (0x0FFFFFFC)
+#define PSB_2D_DST_ADDR_CLRMASK (0x00000003)
+#define PSB_2D_DST_ADDR_SHIFT (2)
+#define PSB_2D_DST_ADDR_ALIGNSHIFT (2)
+
+/*
+ * Mask Surface (PSB_2D_MASK_SURF_BH)
+ */
+/*
+ * WORD 0
+ */
+#define PSB_2D_MASK_STRIDE_MASK (0x00007FFF)
+#define PSB_2D_MASK_STRIDE_CLRMASK (0xFFFF8000)
+#define PSB_2D_MASK_STRIDE_SHIFT (0)
+/*
+ * WORD 1 - Base Address
+ */
+#define PSB_2D_MASK_ADDR_MASK (0x0FFFFFFC)
+#define PSB_2D_MASK_ADDR_CLRMASK (0x00000003)
+#define PSB_2D_MASK_ADDR_SHIFT (2)
+#define PSB_2D_MASK_ADDR_ALIGNSHIFT (2)
+
+/*
+ * Source Palette (PSB_2D_SRC_PAL_BH)
+ */
+
+#define PSB_2D_SRCPAL_ADDR_SHIFT (0)
+#define PSB_2D_SRCPAL_ADDR_CLRMASK (0xF0000007)
+#define PSB_2D_SRCPAL_ADDR_MASK (0x0FFFFFF8)
+#define PSB_2D_SRCPAL_BYTEALIGN (1024)
+
+/*
+ * Pattern Palette (PSB_2D_PAT_PAL_BH)
+ */
+
+#define PSB_2D_PATPAL_ADDR_SHIFT (0)
+#define PSB_2D_PATPAL_ADDR_CLRMASK (0xF0000007)
+#define PSB_2D_PATPAL_ADDR_MASK (0x0FFFFFF8)
+#define PSB_2D_PATPAL_BYTEALIGN (1024)
+
+/*
+ * Rop3 Codes (2 LS bytes)
+ */
+
+#define PSB_2D_ROP3_SRCCOPY (0xCCCC)
+#define PSB_2D_ROP3_PATCOPY (0xF0F0)
+#define PSB_2D_ROP3_WHITENESS (0xFFFF)
+#define PSB_2D_ROP3_BLACKNESS (0x0000)
+#define PSB_2D_ROP3_SRC (0xCC)
+#define PSB_2D_ROP3_PAT (0xF0)
+#define PSB_2D_ROP3_DST (0xAA)
+
+/*
+ * Sizes.
+ */
+
+#define PSB_SCENE_HW_COOKIE_SIZE 16
+#define PSB_TA_MEM_HW_COOKIE_SIZE 16
+
+/*
+ * Scene stuff.
+ */
+
+#define PSB_NUM_HW_SCENES 2
+
+/*
+ * Scheduler completion actions.
+ */
+
+#define PSB_RASTER_BLOCK 0
+#define PSB_RASTER 1
+#define PSB_RETURN 2
+#define PSB_TA 3
+
+/* Power management */
+#define PSB_PUNIT_PORT 0x04
+#define PSB_OSPMBA 0x78
+#define PSB_APMBA 0x7a
+#define PSB_APM_CMD 0x0
+#define PSB_APM_STS 0x04
+#define PSB_PWRGT_VID_ENC_MASK 0x30
+#define PSB_PWRGT_VID_DEC_MASK 0xc
+#define PSB_PWRGT_GL3_MASK 0xc0
+
+#define PSB_PM_SSC 0x20
+#define PSB_PM_SSS 0x30
+#define PSB_PWRGT_DISPLAY_MASK 0xc /*on a different BA than video/gfx*/
+#define MDFLD_PWRGT_DISPLAY_A_CNTR 0x0000000c
+#define MDFLD_PWRGT_DISPLAY_B_CNTR 0x0000c000
+#define MDFLD_PWRGT_DISPLAY_C_CNTR 0x00030000
+#define MDFLD_PWRGT_DISP_MIPI_CNTR 0x000c0000
+#define MDFLD_PWRGT_DISPLAY_CNTR (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR) /* 0x000fc00c */
+/* Display SSS register bits are different in A0 vs. B0 */
+#define PSB_PWRGT_GFX_MASK 0x3
+#define MDFLD_PWRGT_DISPLAY_A_STS 0x000000c0
+#define MDFLD_PWRGT_DISPLAY_B_STS 0x00000300
+#define MDFLD_PWRGT_DISPLAY_C_STS 0x00000c00
+#define PSB_PWRGT_GFX_MASK_B0 0xc3
+#define MDFLD_PWRGT_DISPLAY_A_STS_B0 0x0000000c
+#define MDFLD_PWRGT_DISPLAY_B_STS_B0 0x0000c000
+#define MDFLD_PWRGT_DISPLAY_C_STS_B0 0x00030000
+#define MDFLD_PWRGT_DISP_MIPI_STS 0x000c0000
+#define MDFLD_PWRGT_DISPLAY_STS_A0 (MDFLD_PWRGT_DISPLAY_A_STS | MDFLD_PWRGT_DISPLAY_B_STS | MDFLD_PWRGT_DISPLAY_C_STS | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
+#define MDFLD_PWRGT_DISPLAY_STS_B0 (MDFLD_PWRGT_DISPLAY_A_STS_B0 | MDFLD_PWRGT_DISPLAY_B_STS_B0 | MDFLD_PWRGT_DISPLAY_C_STS_B0 | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
+#endif
diff --git a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
new file mode 100644
index 0000000..771ff66
--- /dev/null
+++ b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
@@ -0,0 +1,829 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_output.h"
+#include "mdfld_dsi_pkg_sender.h"
+#include "tc35876x-dsi-lvds.h"
+#include <linux/i2c/tc35876x.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <asm/intel_scu_ipc.h>
+
+static struct i2c_client *tc35876x_client;
+static struct i2c_client *cmi_lcd_i2c_client;
+
+#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
+#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
+
+/* DSI D-PHY Layer Registers */
+#define D0W_DPHYCONTTX 0x0004
+#define CLW_DPHYCONTRX 0x0020
+#define D0W_DPHYCONTRX 0x0024
+#define D1W_DPHYCONTRX 0x0028
+#define D2W_DPHYCONTRX 0x002C
+#define D3W_DPHYCONTRX 0x0030
+#define COM_DPHYCONTRX 0x0038
+#define CLW_CNTRL 0x0040
+#define D0W_CNTRL 0x0044
+#define D1W_CNTRL 0x0048
+#define D2W_CNTRL 0x004C
+#define D3W_CNTRL 0x0050
+#define DFTMODE_CNTRL 0x0054
+
+/* DSI PPI Layer Registers */
+#define PPI_STARTPPI 0x0104
+#define PPI_BUSYPPI 0x0108
+#define PPI_LINEINITCNT 0x0110
+#define PPI_LPTXTIMECNT 0x0114
+#define PPI_LANEENABLE 0x0134
+#define PPI_TX_RX_TA 0x013C
+#define PPI_CLS_ATMR 0x0140
+#define PPI_D0S_ATMR 0x0144
+#define PPI_D1S_ATMR 0x0148
+#define PPI_D2S_ATMR 0x014C
+#define PPI_D3S_ATMR 0x0150
+#define PPI_D0S_CLRSIPOCOUNT 0x0164
+#define PPI_D1S_CLRSIPOCOUNT 0x0168
+#define PPI_D2S_CLRSIPOCOUNT 0x016C
+#define PPI_D3S_CLRSIPOCOUNT 0x0170
+#define CLS_PRE 0x0180
+#define D0S_PRE 0x0184
+#define D1S_PRE 0x0188
+#define D2S_PRE 0x018C
+#define D3S_PRE 0x0190
+#define CLS_PREP 0x01A0
+#define D0S_PREP 0x01A4
+#define D1S_PREP 0x01A8
+#define D2S_PREP 0x01AC
+#define D3S_PREP 0x01B0
+#define CLS_ZERO 0x01C0
+#define D0S_ZERO 0x01C4
+#define D1S_ZERO 0x01C8
+#define D2S_ZERO 0x01CC
+#define D3S_ZERO 0x01D0
+#define PPI_CLRFLG 0x01E0
+#define PPI_CLRSIPO 0x01E4
+#define HSTIMEOUT 0x01F0
+#define HSTIMEOUTENABLE 0x01F4
+
+/* DSI Protocol Layer Registers */
+#define DSI_STARTDSI 0x0204
+#define DSI_BUSYDSI 0x0208
+#define DSI_LANEENABLE 0x0210
+#define DSI_LANESTATUS0 0x0214
+#define DSI_LANESTATUS1 0x0218
+#define DSI_INTSTATUS 0x0220
+#define DSI_INTMASK 0x0224
+#define DSI_INTCLR 0x0228
+#define DSI_LPTXTO 0x0230
+
+/* DSI General Registers */
+#define DSIERRCNT 0x0300
+
+/* DSI Application Layer Registers */
+#define APLCTRL 0x0400
+#define RDPKTLN 0x0404
+
+/* Video Path Registers */
+#define VPCTRL 0x0450
+#define HTIM1 0x0454
+#define HTIM2 0x0458
+#define VTIM1 0x045C
+#define VTIM2 0x0460
+#define VFUEN 0x0464
+
+/* LVDS Registers */
+#define LVMX0003 0x0480
+#define LVMX0407 0x0484
+#define LVMX0811 0x0488
+#define LVMX1215 0x048C
+#define LVMX1619 0x0490
+#define LVMX2023 0x0494
+#define LVMX2427 0x0498
+#define LVCFG 0x049C
+#define LVPHY0 0x04A0
+#define LVPHY1 0x04A4
+
+/* System Registers */
+#define SYSSTAT 0x0500
+#define SYSRST 0x0504
+
+/* GPIO Registers */
+/*#define GPIOC 0x0520*/
+#define GPIOO 0x0524
+#define GPIOI 0x0528
+
+/* I2C Registers */
+#define I2CTIMCTRL 0x0540
+#define I2CMADDR 0x0544
+#define WDATAQ 0x0548
+#define RDATAQ 0x054C
+
+/* Chip/Rev Registers */
+#define IDREG 0x0580
+
+/* Debug Registers */
+#define DEBUG00 0x05A0
+#define DEBUG01 0x05A4
+
+/* Panel CABC registers */
+#define PANEL_PWM_CONTROL 0x90
+#define PANEL_FREQ_DIVIDER_HI 0x91
+#define PANEL_FREQ_DIVIDER_LO 0x92
+#define PANEL_DUTY_CONTROL 0x93
+#define PANEL_MODIFY_RGB 0x94
+#define PANEL_FRAMERATE_CONTROL 0x96
+#define PANEL_PWM_MIN 0x97
+#define PANEL_PWM_REF 0x98
+#define PANEL_PWM_MAX 0x99
+#define PANEL_ALLOW_DISTORT 0x9A
+#define PANEL_BYPASS_PWMI 0x9B
+
+/* Panel color management registers */
+#define PANEL_CM_ENABLE 0x700
+#define PANEL_CM_HUE 0x701
+#define PANEL_CM_SATURATION 0x702
+#define PANEL_CM_INTENSITY 0x703
+#define PANEL_CM_BRIGHTNESS 0x704
+#define PANEL_CM_CE_ENABLE 0x705
+#define PANEL_CM_PEAK_EN 0x710
+#define PANEL_CM_GAIN 0x711
+#define PANEL_CM_HUETABLE_START 0x730
+#define PANEL_CM_HUETABLE_END 0x747 /* inclusive */
+
+/* Input muxing for registers LVMX0003...LVMX2427 */
+enum {
+ INPUT_R0, /* 0 */
+ INPUT_R1,
+ INPUT_R2,
+ INPUT_R3,
+ INPUT_R4,
+ INPUT_R5,
+ INPUT_R6,
+ INPUT_R7,
+ INPUT_G0, /* 8 */
+ INPUT_G1,
+ INPUT_G2,
+ INPUT_G3,
+ INPUT_G4,
+ INPUT_G5,
+ INPUT_G6,
+ INPUT_G7,
+ INPUT_B0, /* 16 */
+ INPUT_B1,
+ INPUT_B2,
+ INPUT_B3,
+ INPUT_B4,
+ INPUT_B5,
+ INPUT_B6,
+ INPUT_B7,
+ INPUT_HSYNC, /* 24 */
+ INPUT_VSYNC,
+ INPUT_DE,
+ LOGIC_0,
+ /* 28...31 undefined */
+};
+
+#define INPUT_MUX(lvmx03, lvmx02, lvmx01, lvmx00) \
+ (FLD_VAL(lvmx03, 29, 24) | FLD_VAL(lvmx02, 20, 16) | \
+ FLD_VAL(lvmx01, 12, 8) | FLD_VAL(lvmx00, 4, 0))
+
+/**
+ * tc35876x_regw - Write DSI-LVDS bridge register using I2C
+ * @client: struct i2c_client to use
+ * @reg: register address
+ * @value: value to write
+ *
+ * Returns 0 on success, or a negative error value.
+ */
+static int tc35876x_regw(struct i2c_client *client, u16 reg, u32 value)
+{
+ int r;
+ u8 tx_data[] = {
+ /* NOTE: Register address big-endian, data little-endian. */
+ (reg >> 8) & 0xff,
+ reg & 0xff,
+ value & 0xff,
+ (value >> 8) & 0xff,
+ (value >> 16) & 0xff,
+ (value >> 24) & 0xff,
+ };
+ struct i2c_msg msgs[] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .buf = tx_data,
+ .len = ARRAY_SIZE(tx_data),
+ },
+ };
+
+ r = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (r < 0) {
+ dev_err(&client->dev, "%s: reg 0x%04x val 0x%08x error %d\n",
+ __func__, reg, value, r);
+ return r;
+ }
+
+ if (r < ARRAY_SIZE(msgs)) {
+ dev_err(&client->dev, "%s: reg 0x%04x val 0x%08x msgs %d\n",
+ __func__, reg, value, r);
+ return -EAGAIN;
+ }
+
+ dev_dbg(&client->dev, "%s: reg 0x%04x val 0x%08x\n",
+ __func__, reg, value);
+
+ return 0;
+}
+
+/**
+ * tc35876x_regr - Read DSI-LVDS bridge register using I2C
+ * @client: struct i2c_client to use
+ * @reg: register address
+ * @value: pointer for storing the value
+ *
+ * Returns 0 on success, or a negative error value.
+ */
+static int tc35876x_regr(struct i2c_client *client, u16 reg, u32 *value)
+{
+ int r;
+ u8 tx_data[] = {
+ (reg >> 8) & 0xff,
+ reg & 0xff,
+ };
+ u8 rx_data[4];
+ struct i2c_msg msgs[] = {
+ {
+ .addr = client->addr,
+ .flags = 0,
+ .buf = tx_data,
+ .len = ARRAY_SIZE(tx_data),
+ },
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .buf = rx_data,
+ .len = ARRAY_SIZE(rx_data),
+ },
+ };
+
+ r = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (r < 0) {
+ dev_err(&client->dev, "%s: reg 0x%04x error %d\n", __func__,
+ reg, r);
+ return r;
+ }
+
+ if (r < ARRAY_SIZE(msgs)) {
+ dev_err(&client->dev, "%s: reg 0x%04x msgs %d\n", __func__,
+ reg, r);
+ return -EAGAIN;
+ }
+
+ *value = rx_data[0] << 24 | rx_data[1] << 16 |
+ rx_data[2] << 8 | rx_data[3];
+
+ dev_dbg(&client->dev, "%s: reg 0x%04x value 0x%08x\n", __func__,
+ reg, *value);
+
+ return 0;
+}
+
+void tc35876x_set_bridge_reset_state(struct drm_device *dev, int state)
+{
+ struct tc35876x_platform_data *pdata;
+
+ if (WARN(!tc35876x_client, "%s called before probe", __func__))
+ return;
+
+ dev_dbg(&tc35876x_client->dev, "%s: state %d\n", __func__, state);
+
+ pdata = dev_get_platdata(&tc35876x_client->dev);
+
+ if (pdata->gpio_bridge_reset == -1)
+ return;
+
+ if (state) {
+ gpio_set_value_cansleep(pdata->gpio_bridge_reset, 0);
+ mdelay(10);
+ } else {
+ /* Pull MIPI Bridge reset pin to Low */
+ gpio_set_value_cansleep(pdata->gpio_bridge_reset, 0);
+ mdelay(20);
+ /* Pull MIPI Bridge reset pin to High */
+ gpio_set_value_cansleep(pdata->gpio_bridge_reset, 1);
+ mdelay(40);
+ }
+}
+
+void tc35876x_configure_lvds_bridge(struct drm_device *dev)
+{
+ struct i2c_client *i2c = tc35876x_client;
+ u32 ppi_lptxtimecnt;
+ u32 txtagocnt;
+ u32 txtasurecnt;
+ u32 id;
+
+ if (WARN(!tc35876x_client, "%s called before probe", __func__))
+ return;
+
+ dev_dbg(&tc35876x_client->dev, "%s\n", __func__);
+
+ if (!tc35876x_regr(i2c, IDREG, &id))
+ dev_info(&tc35876x_client->dev, "tc35876x ID 0x%08x\n", id);
+ else
+ dev_err(&tc35876x_client->dev, "Cannot read ID\n");
+
+ ppi_lptxtimecnt = 4;
+ txtagocnt = (5 * ppi_lptxtimecnt - 3) / 4;
+ txtasurecnt = 3 * ppi_lptxtimecnt / 2;
+ tc35876x_regw(i2c, PPI_TX_RX_TA, FLD_VAL(txtagocnt, 26, 16) |
+ FLD_VAL(txtasurecnt, 10, 0));
+ tc35876x_regw(i2c, PPI_LPTXTIMECNT, FLD_VAL(ppi_lptxtimecnt, 10, 0));
+
+ tc35876x_regw(i2c, PPI_D0S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
+ tc35876x_regw(i2c, PPI_D1S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
+ tc35876x_regw(i2c, PPI_D2S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
+ tc35876x_regw(i2c, PPI_D3S_CLRSIPOCOUNT, FLD_VAL(1, 5, 0));
+
+ /* Enabling MIPI & PPI lanes, Enable 4 lanes */
+ tc35876x_regw(i2c, PPI_LANEENABLE,
+ BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
+ tc35876x_regw(i2c, DSI_LANEENABLE,
+ BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
+ tc35876x_regw(i2c, PPI_STARTPPI, BIT(0));
+ tc35876x_regw(i2c, DSI_STARTDSI, BIT(0));
+
+ /* Setting LVDS output frequency */
+ tc35876x_regw(i2c, LVPHY0, FLD_VAL(1, 20, 16) |
+ FLD_VAL(2, 15, 14) | FLD_VAL(6, 4, 0)); /* 0x00048006 */
+
+ /* Setting video panel control register,0x00000120 VTGen=ON ?!?!? */
+ tc35876x_regw(i2c, VPCTRL, BIT(8) | BIT(5));
+
+ /* Horizontal back porch and horizontal pulse width. 0x00280028 */
+ tc35876x_regw(i2c, HTIM1, FLD_VAL(40, 24, 16) | FLD_VAL(40, 8, 0));
+
+ /* Horizontal front porch and horizontal active video size. 0x00500500*/
+ tc35876x_regw(i2c, HTIM2, FLD_VAL(80, 24, 16) | FLD_VAL(1280, 10, 0));
+
+ /* Vertical back porch and vertical sync pulse width. 0x000e000a */
+ tc35876x_regw(i2c, VTIM1, FLD_VAL(14, 23, 16) | FLD_VAL(10, 7, 0));
+
+ /* Vertical front porch and vertical display size. 0x000e0320 */
+ tc35876x_regw(i2c, VTIM2, FLD_VAL(14, 23, 16) | FLD_VAL(800, 10, 0));
+
+ /* Set above HTIM1, HTIM2, VTIM1, and VTIM2 at next VSYNC. */
+ tc35876x_regw(i2c, VFUEN, BIT(0));
+
+ /* Soft reset LCD controller. */
+ tc35876x_regw(i2c, SYSRST, BIT(2));
+
+ /* LVDS-TX input muxing */
+ tc35876x_regw(i2c, LVMX0003,
+ INPUT_MUX(INPUT_R5, INPUT_R4, INPUT_R3, INPUT_R2));
+ tc35876x_regw(i2c, LVMX0407,
+ INPUT_MUX(INPUT_G2, INPUT_R7, INPUT_R1, INPUT_R6));
+ tc35876x_regw(i2c, LVMX0811,
+ INPUT_MUX(INPUT_G1, INPUT_G0, INPUT_G4, INPUT_G3));
+ tc35876x_regw(i2c, LVMX1215,
+ INPUT_MUX(INPUT_B2, INPUT_G7, INPUT_G6, INPUT_G5));
+ tc35876x_regw(i2c, LVMX1619,
+ INPUT_MUX(INPUT_B4, INPUT_B3, INPUT_B1, INPUT_B0));
+ tc35876x_regw(i2c, LVMX2023,
+ INPUT_MUX(LOGIC_0, INPUT_B7, INPUT_B6, INPUT_B5));
+ tc35876x_regw(i2c, LVMX2427,
+ INPUT_MUX(INPUT_R0, INPUT_DE, INPUT_VSYNC, INPUT_HSYNC));
+
+ /* Enable LVDS transmitter. */
+ tc35876x_regw(i2c, LVCFG, BIT(0));
+
+ /* Clear notifications. Don't write reserved bits. Was write 0xffffffff
+ * to 0x0288, must be in error?! */
+ tc35876x_regw(i2c, DSI_INTCLR, FLD_MASK(31, 30) | FLD_MASK(22, 0));
+}
+
+#define GPIOPWMCTRL 0x38F
+#define PWM0CLKDIV0 0x62 /* low byte */
+#define PWM0CLKDIV1 0x61 /* high byte */
+
+#define SYSTEMCLK 19200000UL /* 19.2 MHz */
+#define PWM_FREQUENCY 9600 /* Hz */
+
+/* f = baseclk / (clkdiv + 1) => clkdiv = (baseclk - f) / f */
+static inline u16 calc_clkdiv(unsigned long baseclk, unsigned int f)
+{
+ return (baseclk - f) / f;
+}
+
+static void tc35876x_brightness_init(struct drm_device *dev)
+{
+ int ret;
+ u8 pwmctrl;
+ u16 clkdiv;
+
+ /* Make sure the PWM reference is the 19.2 MHz system clock. Read first
+ * instead of setting directly to catch potential conflicts between PWM
+ * users. */
+ ret = intel_scu_ipc_ioread8(GPIOPWMCTRL, &pwmctrl);
+ if (ret || pwmctrl != 0x01) {
+ if (ret)
+ dev_err(&dev->pdev->dev, "GPIOPWMCTRL read failed\n");
+ else
+ dev_warn(&dev->pdev->dev, "GPIOPWMCTRL was not set to system clock (pwmctrl = 0x%02x)\n", pwmctrl);
+
+ ret = intel_scu_ipc_iowrite8(GPIOPWMCTRL, 0x01);
+ if (ret)
+ dev_err(&dev->pdev->dev, "GPIOPWMCTRL set failed\n");
+ }
+
+ clkdiv = calc_clkdiv(SYSTEMCLK, PWM_FREQUENCY);
+
+ ret = intel_scu_ipc_iowrite8(PWM0CLKDIV1, (clkdiv >> 8) & 0xff);
+ if (!ret)
+ ret = intel_scu_ipc_iowrite8(PWM0CLKDIV0, clkdiv & 0xff);
+
+ if (ret)
+ dev_err(&dev->pdev->dev, "PWM0CLKDIV set failed\n");
+ else
+ dev_dbg(&dev->pdev->dev, "PWM0CLKDIV set to 0x%04x (%d Hz)\n",
+ clkdiv, PWM_FREQUENCY);
+}
+
+#define PWM0DUTYCYCLE 0x67
+
+void tc35876x_brightness_control(struct drm_device *dev, int level)
+{
+ int ret;
+ u8 duty_val;
+ u8 panel_duty_val;
+
+ level = clamp(level, 0, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
+
+ /* PWM duty cycle 0x00...0x63 corresponds to 0...99% */
+ duty_val = level * 0x63 / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL;
+
+ /* I won't pretend to understand this formula. The panel spec is quite
+ * bad engrish.
+ */
+ panel_duty_val = (2 * level - 100) * 0xA9 /
+ MDFLD_DSI_BRIGHTNESS_MAX_LEVEL + 0x56;
+
+ ret = intel_scu_ipc_iowrite8(PWM0DUTYCYCLE, duty_val);
+ if (ret)
+ dev_err(&tc35876x_client->dev, "%s: ipc write fail\n",
+ __func__);
+
+ if (cmi_lcd_i2c_client) {
+ ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
+ PANEL_PWM_MAX, panel_duty_val);
+ if (ret < 0)
+ dev_err(&cmi_lcd_i2c_client->dev, "%s: i2c write failed\n",
+ __func__);
+ }
+}
+
+void tc35876x_toshiba_bridge_panel_off(struct drm_device *dev)
+{
+ struct tc35876x_platform_data *pdata;
+
+ if (WARN(!tc35876x_client, "%s called before probe", __func__))
+ return;
+
+ dev_dbg(&tc35876x_client->dev, "%s\n", __func__);
+
+ pdata = dev_get_platdata(&tc35876x_client->dev);
+
+ if (pdata->gpio_panel_bl_en != -1)
+ gpio_set_value_cansleep(pdata->gpio_panel_bl_en, 0);
+
+ if (pdata->gpio_panel_vadd != -1)
+ gpio_set_value_cansleep(pdata->gpio_panel_vadd, 0);
+}
+
+void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev)
+{
+ struct tc35876x_platform_data *pdata;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (WARN(!tc35876x_client, "%s called before probe", __func__))
+ return;
+
+ dev_dbg(&tc35876x_client->dev, "%s\n", __func__);
+
+ pdata = dev_get_platdata(&tc35876x_client->dev);
+
+ if (pdata->gpio_panel_vadd != -1) {
+ gpio_set_value_cansleep(pdata->gpio_panel_vadd, 1);
+ msleep(260);
+ }
+
+ if (cmi_lcd_i2c_client) {
+ int ret;
+ dev_dbg(&cmi_lcd_i2c_client->dev, "setting TCON\n");
+ /* Bit 4 is average_saving. Setting it to 1, the brightness is
+ * referenced to the average of the frame content. 0 means
+ * reference to the maximum of frame contents. Bits 3:0 are
+ * allow_distort. When set to a nonzero value, all color values
+ * between 255-allow_distort*2 and 255 are mapped to the
+ * 255-allow_distort*2 value.
+ */
+ ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
+ PANEL_ALLOW_DISTORT, 0x10);
+ if (ret < 0)
+ dev_err(&cmi_lcd_i2c_client->dev,
+ "i2c write failed (%d)\n", ret);
+ ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
+ PANEL_BYPASS_PWMI, 0);
+ if (ret < 0)
+ dev_err(&cmi_lcd_i2c_client->dev,
+ "i2c write failed (%d)\n", ret);
+ /* Set minimum brightness value - this is tunable */
+ ret = i2c_smbus_write_byte_data(cmi_lcd_i2c_client,
+ PANEL_PWM_MIN, 0x35);
+ if (ret < 0)
+ dev_err(&cmi_lcd_i2c_client->dev,
+ "i2c write failed (%d)\n", ret);
+ }
+
+ if (pdata->gpio_panel_bl_en != -1)
+ gpio_set_value_cansleep(pdata->gpio_panel_bl_en, 1);
+
+ tc35876x_brightness_control(dev, dev_priv->brightness_adjusted);
+}
+
+static struct drm_display_mode *tc35876x_get_config_mode(struct drm_device *dev)
+{
+ struct drm_display_mode *mode;
+
+ dev_dbg(&dev->pdev->dev, "%s\n", __func__);
+
+ mode = kzalloc(sizeof(*mode), GFP_KERNEL);
+ if (!mode)
+ return NULL;
+
+ /* FIXME: do this properly. */
+ mode->hdisplay = 1280;
+ mode->vdisplay = 800;
+ mode->hsync_start = 1360;
+ mode->hsync_end = 1400;
+ mode->htotal = 1440;
+ mode->vsync_start = 814;
+ mode->vsync_end = 824;
+ mode->vtotal = 838;
+ mode->clock = 33324 << 1;
+
+ dev_info(&dev->pdev->dev, "hdisplay(w) = %d\n", mode->hdisplay);
+ dev_info(&dev->pdev->dev, "vdisplay(h) = %d\n", mode->vdisplay);
+ dev_info(&dev->pdev->dev, "HSS = %d\n", mode->hsync_start);
+ dev_info(&dev->pdev->dev, "HSE = %d\n", mode->hsync_end);
+ dev_info(&dev->pdev->dev, "htotal = %d\n", mode->htotal);
+ dev_info(&dev->pdev->dev, "VSS = %d\n", mode->vsync_start);
+ dev_info(&dev->pdev->dev, "VSE = %d\n", mode->vsync_end);
+ dev_info(&dev->pdev->dev, "vtotal = %d\n", mode->vtotal);
+ dev_info(&dev->pdev->dev, "clock = %d\n", mode->clock);
+
+ drm_mode_set_name(mode);
+ drm_mode_set_crtcinfo(mode, 0);
+
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ return mode;
+}
+
+/* DV1 Active area 216.96 x 135.6 mm */
+#define DV1_PANEL_WIDTH 217
+#define DV1_PANEL_HEIGHT 136
+
+static int tc35876x_get_panel_info(struct drm_device *dev, int pipe,
+ struct panel_info *pi)
+{
+ if (!dev || !pi)
+ return -EINVAL;
+
+ pi->width_mm = DV1_PANEL_WIDTH;
+ pi->height_mm = DV1_PANEL_HEIGHT;
+
+ return 0;
+}
+
+static int tc35876x_bridge_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct tc35876x_platform_data *pdata;
+
+ dev_info(&client->dev, "%s\n", __func__);
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "%s: i2c_check_functionality() failed\n",
+ __func__);
+ return -ENODEV;
+ }
+
+ pdata = dev_get_platdata(&client->dev);
+ if (!pdata) {
+ dev_err(&client->dev, "%s: no platform data\n", __func__);
+ return -ENODEV;
+ }
+
+ if (pdata->gpio_bridge_reset != -1) {
+ gpio_request(pdata->gpio_bridge_reset, "tc35876x bridge reset");
+ gpio_direction_output(pdata->gpio_bridge_reset, 0);
+ }
+
+ if (pdata->gpio_panel_bl_en != -1) {
+ gpio_request(pdata->gpio_panel_bl_en, "tc35876x panel bl en");
+ gpio_direction_output(pdata->gpio_panel_bl_en, 0);
+ }
+
+ if (pdata->gpio_panel_vadd != -1) {
+ gpio_request(pdata->gpio_panel_vadd, "tc35876x panel vadd");
+ gpio_direction_output(pdata->gpio_panel_vadd, 0);
+ }
+
+ tc35876x_client = client;
+
+ return 0;
+}
+
+static int tc35876x_bridge_remove(struct i2c_client *client)
+{
+ struct tc35876x_platform_data *pdata = dev_get_platdata(&client->dev);
+
+ dev_dbg(&client->dev, "%s\n", __func__);
+
+ if (pdata->gpio_bridge_reset != -1)
+ gpio_free(pdata->gpio_bridge_reset);
+
+ if (pdata->gpio_panel_bl_en != -1)
+ gpio_free(pdata->gpio_panel_bl_en);
+
+ if (pdata->gpio_panel_vadd != -1)
+ gpio_free(pdata->gpio_panel_vadd);
+
+ tc35876x_client = NULL;
+
+ return 0;
+}
+
+static const struct i2c_device_id tc35876x_bridge_id[] = {
+ { "i2c_disp_brig", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tc35876x_bridge_id);
+
+static struct i2c_driver tc35876x_bridge_i2c_driver = {
+ .driver = {
+ .name = "i2c_disp_brig",
+ },
+ .id_table = tc35876x_bridge_id,
+ .probe = tc35876x_bridge_probe,
+ .remove = tc35876x_bridge_remove,
+};
+
+/* LCD panel I2C */
+static int cmi_lcd_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ dev_info(&client->dev, "%s\n", __func__);
+
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "%s: i2c_check_functionality() failed\n",
+ __func__);
+ return -ENODEV;
+ }
+
+ cmi_lcd_i2c_client = client;
+
+ return 0;
+}
+
+static int cmi_lcd_i2c_remove(struct i2c_client *client)
+{
+ dev_dbg(&client->dev, "%s\n", __func__);
+
+ cmi_lcd_i2c_client = NULL;
+
+ return 0;
+}
+
+static const struct i2c_device_id cmi_lcd_i2c_id[] = {
+ { "cmi-lcd", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, cmi_lcd_i2c_id);
+
+static struct i2c_driver cmi_lcd_i2c_driver = {
+ .driver = {
+ .name = "cmi-lcd",
+ },
+ .id_table = cmi_lcd_i2c_id,
+ .probe = cmi_lcd_i2c_probe,
+ .remove = cmi_lcd_i2c_remove,
+};
+
+/* HACK to create I2C device while it's not created by platform code */
+#define CMI_LCD_I2C_ADAPTER 2
+#define CMI_LCD_I2C_ADDR 0x60
+
+static int cmi_lcd_hack_create_device(void)
+{
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ struct i2c_board_info info = {
+ .type = "cmi-lcd",
+ .addr = CMI_LCD_I2C_ADDR,
+ };
+
+ pr_debug("%s\n", __func__);
+
+ adapter = i2c_get_adapter(CMI_LCD_I2C_ADAPTER);
+ if (!adapter) {
+ pr_err("%s: i2c_get_adapter(%d) failed\n", __func__,
+ CMI_LCD_I2C_ADAPTER);
+ return -EINVAL;
+ }
+
+ client = i2c_new_device(adapter, &info);
+ if (!client) {
+ pr_err("%s: i2c_new_device() failed\n", __func__);
+ i2c_put_adapter(adapter);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct drm_encoder_helper_funcs tc35876x_encoder_helper_funcs = {
+ .dpms = mdfld_dsi_dpi_dpms,
+ .mode_fixup = mdfld_dsi_dpi_mode_fixup,
+ .prepare = mdfld_dsi_dpi_prepare,
+ .mode_set = mdfld_dsi_dpi_mode_set,
+ .commit = mdfld_dsi_dpi_commit,
+};
+
+static const struct drm_encoder_funcs tc35876x_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
+};
+
+const struct panel_funcs mdfld_tc35876x_funcs = {
+ .encoder_funcs = &tc35876x_encoder_funcs,
+ .encoder_helper_funcs = &tc35876x_encoder_helper_funcs,
+ .get_config_mode = tc35876x_get_config_mode,
+ .get_panel_info = tc35876x_get_panel_info,
+};
+
+void tc35876x_init(struct drm_device *dev)
+{
+ int r;
+
+ dev_dbg(&dev->pdev->dev, "%s\n", __func__);
+
+ cmi_lcd_hack_create_device();
+
+ r = i2c_add_driver(&cmi_lcd_i2c_driver);
+ if (r < 0)
+ dev_err(&dev->pdev->dev,
+ "%s: i2c_add_driver() for %s failed (%d)\n",
+ __func__, cmi_lcd_i2c_driver.driver.name, r);
+
+ r = i2c_add_driver(&tc35876x_bridge_i2c_driver);
+ if (r < 0)
+ dev_err(&dev->pdev->dev,
+ "%s: i2c_add_driver() for %s failed (%d)\n",
+ __func__, tc35876x_bridge_i2c_driver.driver.name, r);
+
+ tc35876x_brightness_init(dev);
+}
+
+void tc35876x_exit(void)
+{
+ pr_debug("%s\n", __func__);
+
+ i2c_del_driver(&tc35876x_bridge_i2c_driver);
+
+ if (cmi_lcd_i2c_client)
+ i2c_del_driver(&cmi_lcd_i2c_driver);
+}
diff --git a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.h b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.h
new file mode 100644
index 0000000..b14b7f9
--- /dev/null
+++ b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __MDFLD_DSI_LVDS_BRIDGE_H__
+#define __MDFLD_DSI_LVDS_BRIDGE_H__
+
+void tc35876x_set_bridge_reset_state(struct drm_device *dev, int state);
+void tc35876x_configure_lvds_bridge(struct drm_device *dev);
+void tc35876x_brightness_control(struct drm_device *dev, int level);
+void tc35876x_toshiba_bridge_panel_off(struct drm_device *dev);
+void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev);
+void tc35876x_init(struct drm_device *dev);
+void tc35876x_exit(void);
+
+extern const struct panel_funcs mdfld_tc35876x_funcs;
+
+#endif /*__MDFLD_DSI_LVDS_BRIDGE_H__*/