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/sound/soc/blackfin/Kconfig b/sound/soc/blackfin/Kconfig
new file mode 100644
index 0000000..6410aa2
--- /dev/null
+++ b/sound/soc/blackfin/Kconfig
@@ -0,0 +1,205 @@
+config SND_BF5XX_I2S
+ tristate "SoC I2S Audio for the ADI Blackfin chip"
+ depends on BLACKFIN
+ select SND_BF5XX_SOC_SPORT if !BF60x
+ select SND_BF6XX_SOC_SPORT if BF60x
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the Blackfin SPORT (synchronous serial ports) interface in I2S
+ mode (supports single stereo In/Out).
+ You will also need to select the audio interfaces to support below.
+
+config SND_BF5XX_SOC_SSM2602
+ tristate "SoC SSM2602 Audio Codec Add-On Card support"
+ depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI
+ select SND_BF5XX_SOC_I2S if !BF60x
+ select SND_BF6XX_SOC_I2S if BF60x
+ select SND_SOC_SSM2602_SPI if SPI_MASTER
+ select SND_SOC_SSM2602_I2C if I2C
+ help
+ Say Y if you want to add support for the Analog Devices
+ SSM2602 Audio Codec Add-On Card.
+
+config SND_SOC_BFIN_EVAL_ADAU1701
+ tristate "Support for the EVAL-ADAU1701MINIZ board on Blackfin eval boards"
+ depends on SND_BF5XX_I2S && I2C
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_ADAU1701
+ help
+ Say Y if you want to add support for the Analog Devices EVAL-ADAU1701MINIZ
+ board connected to one of the Blackfin evaluation boards like the
+ BF5XX-STAMP or BF5XX-EZKIT.
+
+config SND_SOC_BFIN_EVAL_ADAU1373
+ tristate "Support for the EVAL-ADAU1373 board on Blackfin eval boards"
+ depends on SND_BF5XX_I2S && I2C
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_ADAU1373
+ help
+ Say Y if you want to add support for the Analog Devices EVAL-ADAU1373
+ board connected to one of the Blackfin evaluation boards like the
+ BF5XX-STAMP or BF5XX-EZKIT.
+
+ Note: This driver assumes that first ADAU1373 DAI is connected to the
+ first SPORT port on the BF5XX board.
+
+config SND_SOC_BFIN_EVAL_ADAU1X61
+ tristate "Support for the EVAL-ADAU1X61 board on Blackfin eval boards"
+ depends on SND_BF5XX_I2S && I2C
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_ADAU1761_I2C
+ help
+ Say Y if you want to add support for the Analog Devices EVAL-ADAU1X61
+ board connected to one of the Blackfin evaluation boards like the
+ BF5XX-STAMP or BF5XX-EZKIT.
+
+ Note: This driver assumes that the ADAU1X61 is connected to the
+ first SPORT port on the BF5XX board.
+
+config SND_SOC_BFIN_EVAL_ADAU1X81
+ tristate "Support for the EVAL-ADAU1X81 boards on Blackfin eval boards"
+ depends on SND_BF5XX_I2S && I2C
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_ADAU1781_I2C
+ help
+ Say Y if you want to add support for the Analog Devices EVAL-ADAU1X81
+ board connected to one of the Blackfin evaluation boards like the
+ BF5XX-STAMP or BF5XX-EZKIT.
+
+ Note: This driver assumes that the ADAU1X81 is connected to the
+ first SPORT port on the BF5XX board.
+
+config SND_SOC_BFIN_EVAL_ADAV80X
+ tristate "Support for the EVAL-ADAV80X boards on Blackfin eval boards"
+ depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_ADAV801 if SPI_MASTER
+ select SND_SOC_ADAV803 if I2C
+ help
+ Say Y if you want to add support for the Analog Devices EVAL-ADAV801 or
+ EVAL-ADAV803 board connected to one of the Blackfin evaluation boards
+ like the BF5XX-STAMP or BF5XX-EZKIT.
+
+ Note: This driver assumes that the ADAV80X digital record and playback
+ interfaces are connected to the first SPORT port on the BF5XX board.
+
+config SND_BF5XX_SOC_AD1836
+ tristate "SoC AD1836 Audio support for BF5xx"
+ depends on SND_BF5XX_I2S && SPI_MASTER
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_AD1836
+ help
+ Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
+
+config SND_BF5XX_SOC_AD193X
+ tristate "SoC AD193X Audio support for Blackfin"
+ depends on SND_BF5XX_I2S && SND_SOC_I2C_AND_SPI
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_AD193X_I2C if I2C
+ select SND_SOC_AD193X_SPI if SPI_MASTER
+ help
+ Say Y if you want to add support for AD193X codec on Blackfin.
+ This driver supports AD1936, AD1937, AD1938 and AD1939.
+
+config SND_BF5XX_SOC_AD73311
+ tristate "SoC AD73311 Audio support for Blackfin"
+ depends on SND_BF5XX_I2S
+ select SND_BF5XX_SOC_I2S
+ select SND_SOC_AD73311
+ help
+ Say Y if you want to add support for AD73311 codec on Blackfin.
+
+config SND_BFIN_AD73311_SE
+ int "PF pin for AD73311L Chip Select"
+ depends on SND_BF5XX_SOC_AD73311
+ default 4
+ help
+ Enter the GPIO used to control AD73311's SE pin. Acceptable
+ values are 0 to 7
+
+config SND_BF5XX_AC97
+ tristate "SoC AC97 Audio for the ADI BF5xx chip"
+ depends on BLACKFIN
+ select AC97_BUS
+ select SND_SOC_AC97_BUS
+ select SND_BF5XX_SOC_SPORT
+ select SND_BF5XX_SOC_AC97
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the Blackfin SPORT (synchronous serial ports) interface in slot 16
+ mode (pseudo AC97 interface).
+ You will also need to select the audio interfaces to support below.
+
+ Note:
+ AC97 codecs which do not implement the slot-16 mode will not function
+ properly with this driver. This driver is known to work with the
+ Analog Devices line of AC97 codecs.
+
+config SND_BF5XX_MMAP_SUPPORT
+ bool "Enable MMAP Support"
+ depends on SND_BF5XX_AC97
+ default y
+ help
+ Say y if you want AC97 driver to support mmap mode.
+ We introduce an intermediate buffer to simulate mmap.
+
+config SND_BF5XX_MULTICHAN_SUPPORT
+ bool "Enable Multichannel Support"
+ depends on SND_BF5XX_AC97
+ default n
+ help
+ Say y if you want AC97 driver to support up to 5.1 channel audio.
+ this mode will consume much more memory for DMA.
+
+config SND_BF5XX_HAVE_COLD_RESET
+ bool "BOARD has COLD Reset GPIO"
+ depends on SND_BF5XX_AC97
+ default y if BFIN548_EZKIT
+ default n if !BFIN548_EZKIT
+
+config SND_BF5XX_RESET_GPIO_NUM
+ int "Set a GPIO for cold reset"
+ depends on SND_BF5XX_HAVE_COLD_RESET
+ range 0 159
+ default 19 if BFIN548_EZKIT
+ default 5 if BFIN537_STAMP
+ default 0
+ help
+ Set the correct GPIO for RESET the sound chip.
+
+config SND_BF5XX_SOC_AD1980
+ tristate "SoC AD1980/1 Audio support for BF5xx (Obsolete)"
+ depends on SND_BF5XX_AC97
+ select SND_BF5XX_SOC_AC97
+ select SND_SOC_AD1980
+ help
+ Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
+
+ Warning:
+ Because Analog Devices Inc. discontinued the ad1980 sound chip since
+ Sep. 2009, this ad1980 driver is not maintained, tested and supported
+ by ADI now.
+
+config SND_BF5XX_SOC_SPORT
+ tristate
+
+config SND_BF6XX_SOC_SPORT
+ tristate
+
+config SND_BF5XX_SOC_I2S
+ tristate
+
+config SND_BF6XX_SOC_I2S
+ tristate
+
+config SND_BF5XX_SOC_AC97
+ tristate
+
+config SND_BF5XX_SPORT_NUM
+ int "Set a SPORT for Sound chip"
+ depends on (SND_BF5XX_SOC_SPORT || SND_BF6XX_SOC_SPORT)
+ range 0 3 if BF54x
+ range 0 1 if !BF54x
+ default 0
+ help
+ Set the correct SPORT for sound chip.
diff --git a/sound/soc/blackfin/Makefile b/sound/soc/blackfin/Makefile
new file mode 100644
index 0000000..f21e948
--- /dev/null
+++ b/sound/soc/blackfin/Makefile
@@ -0,0 +1,39 @@
+# Blackfin Platform Support
+snd-bf5xx-ac97-objs := bf5xx-ac97-pcm.o
+snd-bf5xx-i2s-objs := bf5xx-i2s-pcm.o
+snd-soc-bf5xx-sport-objs := bf5xx-sport.o
+snd-soc-bf6xx-sport-objs := bf6xx-sport.o
+snd-soc-bf5xx-ac97-objs := bf5xx-ac97.o
+snd-soc-bf5xx-i2s-objs := bf5xx-i2s.o
+snd-soc-bf6xx-i2s-objs := bf6xx-i2s.o
+
+obj-$(CONFIG_SND_BF5XX_AC97) += snd-bf5xx-ac97.o
+obj-$(CONFIG_SND_BF5XX_I2S) += snd-bf5xx-i2s.o
+obj-$(CONFIG_SND_BF5XX_SOC_SPORT) += snd-soc-bf5xx-sport.o
+obj-$(CONFIG_SND_BF6XX_SOC_SPORT) += snd-soc-bf6xx-sport.o
+obj-$(CONFIG_SND_BF5XX_SOC_AC97) += snd-soc-bf5xx-ac97.o
+obj-$(CONFIG_SND_BF5XX_SOC_I2S) += snd-soc-bf5xx-i2s.o
+obj-$(CONFIG_SND_BF6XX_SOC_I2S) += snd-soc-bf6xx-i2s.o
+
+# Blackfin Machine Support
+snd-ad1836-objs := bf5xx-ad1836.o
+snd-ad1980-objs := bf5xx-ad1980.o
+snd-ssm2602-objs := bf5xx-ssm2602.o
+snd-ad73311-objs := bf5xx-ad73311.o
+snd-ad193x-objs := bf5xx-ad193x.o
+snd-soc-bfin-eval-adau1373-objs := bfin-eval-adau1373.o
+snd-soc-bfin-eval-adau1x61-objs := bfin-eval-adau1x61.o
+snd-soc-bfin-eval-adau1x81-objs := bfin-eval-adau1x81.o
+snd-soc-bfin-eval-adau1701-objs := bfin-eval-adau1701.o
+snd-soc-bfin-eval-adav80x-objs := bfin-eval-adav80x.o
+
+obj-$(CONFIG_SND_BF5XX_SOC_AD1836) += snd-ad1836.o
+obj-$(CONFIG_SND_BF5XX_SOC_AD1980) += snd-ad1980.o
+obj-$(CONFIG_SND_BF5XX_SOC_SSM2602) += snd-ssm2602.o
+obj-$(CONFIG_SND_BF5XX_SOC_AD73311) += snd-ad73311.o
+obj-$(CONFIG_SND_BF5XX_SOC_AD193X) += snd-ad193x.o
+obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1373) += snd-soc-bfin-eval-adau1373.o
+obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X61) += snd-soc-bfin-eval-adau1x61.o
+obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1X81) += snd-soc-bfin-eval-adau1x81.o
+obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAU1701) += snd-soc-bfin-eval-adau1701.o
+obj-$(CONFIG_SND_SOC_BFIN_EVAL_ADAV80X) += snd-soc-bfin-eval-adav80x.o
diff --git a/sound/soc/blackfin/bf5xx-ac97-pcm.c b/sound/soc/blackfin/bf5xx-ac97-pcm.c
new file mode 100644
index 0000000..02ad260
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97-pcm.c
@@ -0,0 +1,469 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ac97-pcm.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: DMA Driver for AC97 sound chip
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gfp.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+
+#include "bf5xx-ac97.h"
+#include "bf5xx-sport.h"
+
+static unsigned int ac97_chan_mask[] = {
+ SP_FL, /* Mono */
+ SP_STEREO, /* Stereo */
+ SP_2DOT1, /* 2.1*/
+ SP_QUAD,/*Quadraquic*/
+ SP_FL | SP_FR | SP_FC | SP_SL | SP_SR,/*5 channels */
+ SP_5DOT1, /* 5.1 */
+};
+
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+static void bf5xx_mmap_copy(struct snd_pcm_substream *substream,
+ snd_pcm_uframes_t count)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ unsigned int chan_mask = ac97_chan_mask[runtime->channels - 1];
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ bf5xx_pcm_to_ac97((struct ac97_frame *)sport->tx_dma_buf +
+ sport->tx_pos, (__u16 *)runtime->dma_area + sport->tx_pos *
+ runtime->channels, count, chan_mask);
+ sport->tx_pos += runtime->period_size;
+ if (sport->tx_pos >= runtime->buffer_size)
+ sport->tx_pos %= runtime->buffer_size;
+ sport->tx_delay_pos = sport->tx_pos;
+ } else {
+ bf5xx_ac97_to_pcm((struct ac97_frame *)sport->rx_dma_buf +
+ sport->rx_pos, (__u16 *)runtime->dma_area + sport->rx_pos *
+ runtime->channels, count);
+ sport->rx_pos += runtime->period_size;
+ if (sport->rx_pos >= runtime->buffer_size)
+ sport->rx_pos %= runtime->buffer_size;
+ }
+}
+#endif
+
+static void bf5xx_dma_irq(void *data)
+{
+ struct snd_pcm_substream *pcm = data;
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ struct snd_pcm_runtime *runtime = pcm->runtime;
+ struct sport_device *sport = runtime->private_data;
+ bf5xx_mmap_copy(pcm, runtime->period_size);
+ if (pcm->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (sport->once == 0) {
+ snd_pcm_period_elapsed(pcm);
+ bf5xx_mmap_copy(pcm, runtime->period_size);
+ sport->once = 1;
+ }
+ }
+#endif
+ snd_pcm_period_elapsed(pcm);
+}
+
+/* The memory size for pure pcm data is 128*1024 = 0x20000 bytes.
+ * The total rx/tx buffer is for ac97 frame to hold all pcm data
+ * is 0x20000 * sizeof(struct ac97_frame) / 4.
+ */
+static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED |
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+#endif
+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
+
+ .period_bytes_min = 32,
+ .period_bytes_max = 0x10000,
+ .periods_min = 1,
+ .periods_max = PAGE_SIZE/32,
+ .buffer_bytes_max = 0x20000, /* 128 kbytes */
+ .fifo_size = 16,
+};
+
+static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max
+ * sizeof(struct ac97_frame) / 4;
+
+ snd_pcm_lib_malloc_pages(substream, size);
+
+ return 0;
+}
+
+static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sport->once = 0;
+ if (runtime->dma_area)
+ memset(runtime->dma_area, 0, runtime->buffer_size);
+ memset(sport->tx_dma_buf, 0, runtime->buffer_size *
+ sizeof(struct ac97_frame));
+ } else
+ memset(sport->rx_dma_buf, 0, runtime->buffer_size *
+ sizeof(struct ac97_frame));
+#endif
+ snd_pcm_lib_free_pages(substream);
+ return 0;
+}
+
+static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+
+ /* An intermediate buffer is introduced for implementing mmap for
+ * SPORT working in TMD mode(include AC97).
+ */
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_tx_dma(sport, sport->tx_dma_buf, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ } else {
+ sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_rx_dma(sport, sport->rx_dma_buf, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ }
+#else
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_tx_dma(sport, runtime->dma_area, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ } else {
+ sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_rx_dma(sport, runtime->dma_area, runtime->periods,
+ runtime->period_size * sizeof(struct ac97_frame));
+ }
+#endif
+ return 0;
+}
+
+static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ int ret = 0;
+
+ pr_debug("%s enter\n", __func__);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ bf5xx_mmap_copy(substream, runtime->period_size);
+ sport->tx_delay_pos = 0;
+#endif
+ sport_tx_start(sport);
+ } else
+ sport_rx_start(sport);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ sport->tx_pos = 0;
+#endif
+ sport_tx_stop(sport);
+ } else {
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ sport->rx_pos = 0;
+#endif
+ sport_rx_stop(sport);
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ unsigned int curr;
+
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ curr = sport->tx_delay_pos;
+ else
+ curr = sport->rx_pos;
+#else
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ curr = sport_curr_offset_tx(sport) / sizeof(struct ac97_frame);
+ else
+ curr = sport_curr_offset_rx(sport) / sizeof(struct ac97_frame);
+
+#endif
+ return curr;
+}
+
+static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
+
+ ret = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
+ if (sport_handle != NULL)
+ runtime->private_data = sport_handle;
+ else {
+ pr_err("sport_handle is NULL\n");
+ return -1;
+ }
+ return 0;
+
+ out:
+ return ret;
+}
+
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ size_t size = vma->vm_end - vma->vm_start;
+ vma->vm_start = (unsigned long)runtime->dma_area;
+ vma->vm_end = vma->vm_start + size;
+ vma->vm_flags |= VM_SHARED;
+ return 0 ;
+}
+#else
+static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
+ snd_pcm_uframes_t pos,
+ void __user *buf, snd_pcm_uframes_t count)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int chan_mask = ac97_chan_mask[runtime->channels - 1];
+ pr_debug("%s copy pos:0x%lx count:0x%lx\n",
+ substream->stream ? "Capture" : "Playback", pos, count);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ bf5xx_pcm_to_ac97((struct ac97_frame *)runtime->dma_area + pos,
+ (__u16 *)buf, count, chan_mask);
+ else
+ bf5xx_ac97_to_pcm((struct ac97_frame *)runtime->dma_area + pos,
+ (__u16 *)buf, count);
+ return 0;
+}
+#endif
+
+static struct snd_pcm_ops bf5xx_pcm_ac97_ops = {
+ .open = bf5xx_pcm_open,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = bf5xx_pcm_hw_params,
+ .hw_free = bf5xx_pcm_hw_free,
+ .prepare = bf5xx_pcm_prepare,
+ .trigger = bf5xx_pcm_trigger,
+ .pointer = bf5xx_pcm_pointer,
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ .mmap = bf5xx_pcm_mmap,
+#else
+ .copy = bf5xx_pcm_copy,
+#endif
+};
+
+static int bf5xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max
+ * sizeof(struct ac97_frame) / 4;
+
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_coherent(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area) {
+ pr_err("Failed to allocate dma memory\n");
+ pr_err("Please increase uncached DMA memory region\n");
+ return -ENOMEM;
+ }
+ buf->bytes = size;
+
+ pr_debug("%s, area:%p, size:0x%08lx\n", __func__,
+ buf->area, buf->bytes);
+
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_handle->tx_buf = buf->area;
+ else
+ sport_handle->rx_buf = buf->area;
+
+/*
+ * Need to allocate local buffer when enable
+ * MMAP for SPORT working in TMD mode (include AC97).
+ */
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (!sport_handle->tx_dma_buf) {
+ sport_handle->tx_dma_buf = dma_alloc_coherent(NULL, \
+ size, &sport_handle->tx_dma_phy, GFP_KERNEL);
+ if (!sport_handle->tx_dma_buf) {
+ pr_err("Failed to allocate memory for tx dma buf - Please increase uncached DMA memory region\n");
+ return -ENOMEM;
+ } else
+ memset(sport_handle->tx_dma_buf, 0, size);
+ } else
+ memset(sport_handle->tx_dma_buf, 0, size);
+ } else {
+ if (!sport_handle->rx_dma_buf) {
+ sport_handle->rx_dma_buf = dma_alloc_coherent(NULL, \
+ size, &sport_handle->rx_dma_phy, GFP_KERNEL);
+ if (!sport_handle->rx_dma_buf) {
+ pr_err("Failed to allocate memory for rx dma buf - Please increase uncached DMA memory region\n");
+ return -ENOMEM;
+ } else
+ memset(sport_handle->rx_dma_buf, 0, size);
+ } else
+ memset(sport_handle->rx_dma_buf, 0, size);
+ }
+#endif
+ return 0;
+}
+
+static void bf5xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max *
+ sizeof(struct ac97_frame) / 4;
+#endif
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+ dma_free_coherent(NULL, buf->bytes, buf->area, 0);
+ buf->area = NULL;
+#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (sport_handle->tx_dma_buf)
+ dma_free_coherent(NULL, size, \
+ sport_handle->tx_dma_buf, 0);
+ sport_handle->tx_dma_buf = NULL;
+ } else {
+
+ if (sport_handle->rx_dma_buf)
+ dma_free_coherent(NULL, size, \
+ sport_handle->rx_dma_buf, 0);
+ sport_handle->rx_dma_buf = NULL;
+ }
+#endif
+ }
+}
+
+static int bf5xx_pcm_ac97_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_pcm *pcm = rtd->pcm;
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
+
+ if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
+ ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
+ ret = bf5xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+static struct snd_soc_platform_driver bf5xx_ac97_soc_platform = {
+ .ops = &bf5xx_pcm_ac97_ops,
+ .pcm_new = bf5xx_pcm_ac97_new,
+ .pcm_free = bf5xx_pcm_free_dma_buffers,
+};
+
+static int bf5xx_soc_platform_probe(struct platform_device *pdev)
+{
+ return devm_snd_soc_register_platform(&pdev->dev,
+ &bf5xx_ac97_soc_platform);
+}
+
+static struct platform_driver bf5xx_pcm_driver = {
+ .driver = {
+ .name = "bfin-ac97-pcm-audio",
+ },
+
+ .probe = bf5xx_soc_platform_probe,
+};
+
+module_platform_driver(bf5xx_pcm_driver);
+
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ADI Blackfin AC97 PCM DMA module");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c
new file mode 100644
index 0000000..a040cfe
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97.c
@@ -0,0 +1,388 @@
+/*
+ * bf5xx-ac97.c -- AC97 support for the ADI blackfin chip.
+ *
+ * Author: Roy Huang
+ * Created: 11th. June 2007
+ * Copyright: Analog Device Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/irq.h>
+#include <asm/portmux.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+
+#include "bf5xx-sport.h"
+#include "bf5xx-ac97.h"
+
+/* Anomaly notes:
+ * 05000250 - AD1980 is running in TDM mode and RFS/TFS are generated by SPORT
+ * contrtoller. But, RFSDIV and TFSDIV are always set to 16*16-1,
+ * while the max AC97 data size is 13*16. The DIV is always larger
+ * than data size. AD73311 and ad2602 are not running in TDM mode.
+ * AD1836 and AD73322 depend on external RFS/TFS only. So, this
+ * anomaly does not affect blackfin sound drivers.
+*/
+
+static struct sport_device *ac97_sport_handle;
+
+void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src,
+ size_t count, unsigned int chan_mask)
+{
+ while (count--) {
+ dst->ac97_tag = TAG_VALID;
+ if (chan_mask & SP_FL) {
+ dst->ac97_pcm_r = *src++;
+ dst->ac97_tag |= TAG_PCM_RIGHT;
+ }
+ if (chan_mask & SP_FR) {
+ dst->ac97_pcm_l = *src++;
+ dst->ac97_tag |= TAG_PCM_LEFT;
+
+ }
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ if (chan_mask & SP_SR) {
+ dst->ac97_sl = *src++;
+ dst->ac97_tag |= TAG_PCM_SL;
+ }
+ if (chan_mask & SP_SL) {
+ dst->ac97_sr = *src++;
+ dst->ac97_tag |= TAG_PCM_SR;
+ }
+ if (chan_mask & SP_LFE) {
+ dst->ac97_lfe = *src++;
+ dst->ac97_tag |= TAG_PCM_LFE;
+ }
+ if (chan_mask & SP_FC) {
+ dst->ac97_center = *src++;
+ dst->ac97_tag |= TAG_PCM_CENTER;
+ }
+#endif
+ dst++;
+ }
+}
+EXPORT_SYMBOL(bf5xx_pcm_to_ac97);
+
+void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst,
+ size_t count)
+{
+ while (count--) {
+ *(dst++) = src->ac97_pcm_l;
+ *(dst++) = src->ac97_pcm_r;
+ src++;
+ }
+}
+EXPORT_SYMBOL(bf5xx_ac97_to_pcm);
+
+static unsigned int sport_tx_curr_frag(struct sport_device *sport)
+{
+ return sport->tx_curr_frag = sport_curr_offset_tx(sport) /
+ sport->tx_fragsize;
+}
+
+static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data)
+{
+ struct sport_device *sport = ac97_sport_handle;
+ int *cmd_count = sport->private_data;
+ int nextfrag = sport_tx_curr_frag(sport);
+ struct ac97_frame *nextwrite;
+
+ sport_incfrag(sport, &nextfrag, 1);
+
+ nextwrite = (struct ac97_frame *)(sport->tx_buf +
+ nextfrag * sport->tx_fragsize);
+ pr_debug("sport->tx_buf:%p, nextfrag:0x%x nextwrite:%p, cmd_count:%d\n",
+ sport->tx_buf, nextfrag, nextwrite, cmd_count[nextfrag]);
+ nextwrite[cmd_count[nextfrag]].ac97_tag |= TAG_CMD;
+ nextwrite[cmd_count[nextfrag]].ac97_addr = addr;
+ nextwrite[cmd_count[nextfrag]].ac97_data = data;
+ ++cmd_count[nextfrag];
+ pr_debug("ac97_sport: Inserting %02x/%04x into fragment %d\n",
+ addr >> 8, data, nextfrag);
+}
+
+static unsigned short bf5xx_ac97_read(struct snd_ac97 *ac97,
+ unsigned short reg)
+{
+ struct sport_device *sport_handle = ac97_sport_handle;
+ struct ac97_frame out_frame[2], in_frame[2];
+
+ pr_debug("%s enter 0x%x\n", __func__, reg);
+
+ /* When dma descriptor is enabled, the register should not be read */
+ if (sport_handle->tx_run || sport_handle->rx_run) {
+ pr_err("Could you send a mail to cliff.cai@analog.com "
+ "to report this?\n");
+ return -EFAULT;
+ }
+
+ memset(&out_frame, 0, 2 * sizeof(struct ac97_frame));
+ memset(&in_frame, 0, 2 * sizeof(struct ac97_frame));
+ out_frame[0].ac97_tag = TAG_VALID | TAG_CMD;
+ out_frame[0].ac97_addr = ((reg << 8) | 0x8000);
+ sport_send_and_recv(sport_handle, (unsigned char *)&out_frame,
+ (unsigned char *)&in_frame,
+ 2 * sizeof(struct ac97_frame));
+ return in_frame[1].ac97_data;
+}
+
+void bf5xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
+ unsigned short val)
+{
+ struct sport_device *sport_handle = ac97_sport_handle;
+
+ pr_debug("%s enter 0x%x:0x%04x\n", __func__, reg, val);
+
+ if (sport_handle->tx_run) {
+ enqueue_cmd(ac97, (reg << 8), val); /* write */
+ enqueue_cmd(ac97, (reg << 8) | 0x8000, 0); /* read back */
+ } else {
+ struct ac97_frame frame;
+ memset(&frame, 0, sizeof(struct ac97_frame));
+ frame.ac97_tag = TAG_VALID | TAG_CMD;
+ frame.ac97_addr = (reg << 8);
+ frame.ac97_data = val;
+ sport_send_and_recv(sport_handle, (unsigned char *)&frame, \
+ NULL, sizeof(struct ac97_frame));
+ }
+}
+
+static void bf5xx_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+ struct sport_device *sport_handle = ac97_sport_handle;
+ u16 gpio = P_IDENT(sport_handle->pin_req[3]);
+
+ pr_debug("%s enter\n", __func__);
+
+ peripheral_free_list(sport_handle->pin_req);
+ gpio_request(gpio, "bf5xx-ac97");
+ gpio_direction_output(gpio, 1);
+ udelay(2);
+ gpio_set_value(gpio, 0);
+ udelay(1);
+ gpio_free(gpio);
+ peripheral_request_list(sport_handle->pin_req, "soc-audio");
+}
+
+static void bf5xx_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ pr_debug("%s enter\n", __func__);
+
+ /* It is specified for bf548-ezkit */
+ gpio_set_value(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 0);
+ /* Keep reset pin low for 1 ms */
+ mdelay(1);
+ gpio_set_value(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1);
+ /* Wait for bit clock recover */
+ mdelay(1);
+#else
+ pr_info("%s: Not implemented\n", __func__);
+#endif
+}
+
+static struct snd_ac97_bus_ops bf5xx_ac97_ops = {
+ .read = bf5xx_ac97_read,
+ .write = bf5xx_ac97_write,
+ .warm_reset = bf5xx_ac97_warm_reset,
+ .reset = bf5xx_ac97_cold_reset,
+};
+
+#ifdef CONFIG_PM
+static int bf5xx_ac97_suspend(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
+
+ pr_debug("%s : sport %d\n", __func__, dai->id);
+ if (!dai->active)
+ return 0;
+ if (dai->capture_active)
+ sport_rx_stop(sport);
+ if (dai->playback_active)
+ sport_tx_stop(sport);
+ return 0;
+}
+
+static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
+{
+ int ret;
+ struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
+
+ pr_debug("%s : sport %d\n", __func__, dai->id);
+ if (!dai->active)
+ return 0;
+
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ ret = sport_set_multichannel(sport, 16, 0x3FF, 0x3FF, 1);
+#else
+ ret = sport_set_multichannel(sport, 16, 0x1F, 0x1F, 1);
+#endif
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_rx(sport, IRFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport, ITFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+#else
+#define bf5xx_ac97_suspend NULL
+#define bf5xx_ac97_resume NULL
+#endif
+
+static struct snd_soc_dai_driver bfin_ac97_dai = {
+ .bus_control = true,
+ .suspend = bf5xx_ac97_suspend,
+ .resume = bf5xx_ac97_resume,
+ .playback = {
+ .stream_name = "AC97 Playback",
+ .channels_min = 2,
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ .channels_max = 6,
+#else
+ .channels_max = 2,
+#endif
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+ .capture = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+};
+
+static const struct snd_soc_component_driver bfin_ac97_component = {
+ .name = "bfin-ac97",
+};
+
+static int asoc_bfin_ac97_probe(struct platform_device *pdev)
+{
+ struct sport_device *sport_handle;
+ int ret;
+
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ /* Request PB3 as reset pin */
+ ret = devm_gpio_request_one(&pdev->dev,
+ CONFIG_SND_BF5XX_RESET_GPIO_NUM,
+ GPIOF_OUT_INIT_HIGH, "SND_AD198x RESET");
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to request GPIO_%d for reset: %d\n",
+ CONFIG_SND_BF5XX_RESET_GPIO_NUM, ret);
+ return ret;
+ }
+#endif
+
+ sport_handle = sport_init(pdev, 2, sizeof(struct ac97_frame),
+ PAGE_SIZE);
+ if (!sport_handle) {
+ ret = -ENODEV;
+ goto sport_err;
+ }
+
+ /*SPORT works in TDM mode to simulate AC97 transfers*/
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 0x3FF, 1);
+#else
+ ret = sport_set_multichannel(sport_handle, 16, 0x1F, 0x1F, 1);
+#endif
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ ret = -EBUSY;
+ goto sport_config_err;
+ }
+
+ ret = sport_config_rx(sport_handle, IRFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ ret = -EBUSY;
+ goto sport_config_err;
+ }
+
+ ret = sport_config_tx(sport_handle, ITFS, 0xF, 0, (16*16-1));
+ if (ret) {
+ pr_err("SPORT is busy!\n");
+ ret = -EBUSY;
+ goto sport_config_err;
+ }
+
+ ret = snd_soc_set_ac97_ops(&bf5xx_ac97_ops);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Failed to set AC'97 ops: %d\n", ret);
+ goto sport_config_err;
+ }
+
+ ret = snd_soc_register_component(&pdev->dev, &bfin_ac97_component,
+ &bfin_ac97_dai, 1);
+ if (ret) {
+ pr_err("Failed to register DAI: %d\n", ret);
+ goto sport_config_err;
+ }
+
+ ac97_sport_handle = sport_handle;
+
+ return 0;
+
+sport_config_err:
+ sport_done(sport_handle);
+sport_err:
+ snd_soc_set_ac97_ops(NULL);
+
+ return ret;
+}
+
+static int asoc_bfin_ac97_remove(struct platform_device *pdev)
+{
+ struct sport_device *sport_handle = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_component(&pdev->dev);
+ sport_done(sport_handle);
+ snd_soc_set_ac97_ops(NULL);
+
+ return 0;
+}
+
+static struct platform_driver asoc_bfin_ac97_driver = {
+ .driver = {
+ .name = "bfin-ac97",
+ },
+
+ .probe = asoc_bfin_ac97_probe,
+ .remove = asoc_bfin_ac97_remove,
+};
+
+module_platform_driver(asoc_bfin_ac97_driver);
+
+MODULE_AUTHOR("Roy Huang");
+MODULE_DESCRIPTION("AC97 driver for ADI Blackfin");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-ac97.h b/sound/soc/blackfin/bf5xx-ac97.h
new file mode 100644
index 0000000..a680fdc
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ac97.h
@@ -0,0 +1,57 @@
+/*
+ * sound/soc/blackfin/bf5xx-ac97.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _BF5XX_AC97_H
+#define _BF5XX_AC97_H
+
+/* Frame format in memory, only support stereo currently */
+struct ac97_frame {
+ u16 ac97_tag; /* slot 0 */
+ u16 ac97_addr; /* slot 1 */
+ u16 ac97_data; /* slot 2 */
+ u16 ac97_pcm_l; /*slot 3:front left*/
+ u16 ac97_pcm_r; /*slot 4:front left*/
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ u16 ac97_mdm_l1;
+ u16 ac97_center; /*slot 6:center*/
+ u16 ac97_sl; /*slot 7:surround left*/
+ u16 ac97_sr; /*slot 8:surround right*/
+ u16 ac97_lfe; /*slot 9:lfe*/
+#endif
+} __attribute__ ((packed));
+
+/* Speaker location */
+#define SP_FL 0x0001
+#define SP_FR 0x0010
+#define SP_FC 0x0002
+#define SP_LFE 0x0020
+#define SP_SL 0x0004
+#define SP_SR 0x0040
+
+#define SP_STEREO (SP_FL | SP_FR)
+#define SP_2DOT1 (SP_FL | SP_FR | SP_LFE)
+#define SP_QUAD (SP_FL | SP_FR | SP_SL | SP_SR)
+#define SP_5DOT1 (SP_FL | SP_FR | SP_FC | SP_LFE | SP_SL | SP_SR)
+
+#define TAG_VALID 0x8000
+#define TAG_CMD 0x6000
+#define TAG_PCM_LEFT 0x1000
+#define TAG_PCM_RIGHT 0x0800
+#define TAG_PCM_MDM_L1 0x0400
+#define TAG_PCM_CENTER 0x0200
+#define TAG_PCM_SL 0x0100
+#define TAG_PCM_SR 0x0080
+#define TAG_PCM_LFE 0x0040
+
+void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src, \
+ size_t count, unsigned int chan_mask);
+
+void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst, \
+ size_t count);
+
+#endif
diff --git a/sound/soc/blackfin/bf5xx-ad1836.c b/sound/soc/blackfin/bf5xx-ad1836.c
new file mode 100644
index 0000000..864df26
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad1836.c
@@ -0,0 +1,109 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ad1836.c
+ * Author: Barry Song <Barry.Song@analog.com>
+ *
+ * Created: Aug 4 2009
+ * Description: Board driver for ad1836 sound chip
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include <asm/blackfin.h>
+#include <asm/cacheflush.h>
+#include <asm/irq.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#include "../codecs/ad1836.h"
+
+static struct snd_soc_card bf5xx_ad1836;
+
+static int bf5xx_ad1836_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ unsigned int channel_map[] = {0, 4, 1, 5, 2, 6, 3, 7};
+ int ret = 0;
+
+ /* set cpu DAI channel mapping */
+ ret = snd_soc_dai_set_channel_map(cpu_dai, ARRAY_SIZE(channel_map),
+ channel_map, ARRAY_SIZE(channel_map), channel_map);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+#define BF5XX_AD1836_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
+ SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bf5xx_ad1836_dai = {
+ .name = "ad1836",
+ .stream_name = "AD1836",
+ .codec_dai_name = "ad1836-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .dai_fmt = BF5XX_AD1836_DAIFMT,
+ .init = bf5xx_ad1836_init,
+};
+
+static struct snd_soc_card bf5xx_ad1836 = {
+ .name = "bfin-ad1836",
+ .owner = THIS_MODULE,
+ .dai_link = &bf5xx_ad1836_dai,
+ .num_links = 1,
+};
+
+static int bf5xx_ad1836_driver_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &bf5xx_ad1836;
+ const char **link_name;
+ int ret;
+
+ link_name = pdev->dev.platform_data;
+ if (!link_name) {
+ dev_err(&pdev->dev, "No platform data supplied\n");
+ return -EINVAL;
+ }
+ bf5xx_ad1836_dai.cpu_dai_name = link_name[0];
+ bf5xx_ad1836_dai.codec_name = link_name[1];
+
+ card->dev = &pdev->dev;
+ platform_set_drvdata(pdev, card);
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret)
+ dev_err(&pdev->dev, "Failed to register card\n");
+ return ret;
+}
+
+static struct platform_driver bf5xx_ad1836_driver = {
+ .driver = {
+ .name = "bfin-snd-ad1836",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bf5xx_ad1836_driver_probe,
+};
+module_platform_driver(bf5xx_ad1836_driver);
+
+/* Module information */
+MODULE_AUTHOR("Barry Song");
+MODULE_DESCRIPTION("ALSA SoC AD1836 board driver");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf5xx-ad193x.c b/sound/soc/blackfin/bf5xx-ad193x.c
new file mode 100644
index 0000000..603ad1f
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad193x.c
@@ -0,0 +1,131 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ad193x.c
+ * Author: Barry Song <Barry.Song@analog.com>
+ *
+ * Created: Thur June 4 2009
+ * Description: Board driver for ad193x sound chip
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include <asm/blackfin.h>
+#include <asm/cacheflush.h>
+#include <asm/irq.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#include "../codecs/ad193x.h"
+
+static struct snd_soc_card bf5xx_ad193x;
+
+static int bf5xx_ad193x_link_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ /* set the codec system clock for DAC and ADC */
+ ret = snd_soc_dai_set_sysclk(codec_dai, 0, 24576000, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ /* set codec DAI slots, 8 channels, all channels are enabled */
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xFF, 0xFF, 8, 32);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xFF, 0xFF, 8, 32);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+#define BF5XX_AD193X_DAIFMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_IF | \
+ SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
+ {
+ .name = "ad193x",
+ .stream_name = "AD193X",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name ="ad193x-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "spi0.5",
+ .dai_fmt = BF5XX_AD193X_DAIFMT,
+ .init = bf5xx_ad193x_link_init,
+ },
+ {
+ .name = "ad193x",
+ .stream_name = "AD193X",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name ="ad193x-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "spi0.5",
+ .dai_fmt = BF5XX_AD193X_DAIFMT,
+ .init = bf5xx_ad193x_link_init,
+ },
+};
+
+static struct snd_soc_card bf5xx_ad193x = {
+ .name = "bfin-ad193x",
+ .owner = THIS_MODULE,
+ .dai_link = &bf5xx_ad193x_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+ .num_links = 1,
+};
+
+static struct platform_device *bfxx_ad193x_snd_device;
+
+static int __init bf5xx_ad193x_init(void)
+{
+ int ret;
+
+ bfxx_ad193x_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bfxx_ad193x_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bfxx_ad193x_snd_device, &bf5xx_ad193x);
+ ret = platform_device_add(bfxx_ad193x_snd_device);
+
+ if (ret)
+ platform_device_put(bfxx_ad193x_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_ad193x_exit(void)
+{
+ platform_device_unregister(bfxx_ad193x_snd_device);
+}
+
+module_init(bf5xx_ad193x_init);
+module_exit(bf5xx_ad193x_exit);
+
+/* Module information */
+MODULE_AUTHOR("Barry Song");
+MODULE_DESCRIPTION("ALSA SoC AD193X board driver");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf5xx-ad1980.c b/sound/soc/blackfin/bf5xx-ad1980.c
new file mode 100644
index 0000000..0fa81a5
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad1980.c
@@ -0,0 +1,109 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ad1980.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: Board driver for AD1980/1 audio codec
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/*
+ * WARNING:
+ *
+ * Because Analog Devices Inc. discontinued the ad1980 sound chip since
+ * Sep. 2009, this ad1980 driver is not maintained, tested and supported
+ * by ADI now.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <asm/dma.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include <linux/gpio.h>
+#include <asm/portmux.h>
+
+#include "bf5xx-ac97.h"
+
+static struct snd_soc_card bf5xx_board;
+
+static struct snd_soc_dai_link bf5xx_board_dai[] = {
+ {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai_name = "bfin-ac97.0",
+ .codec_dai_name = "ad1980-hifi",
+ .platform_name = "bfin-ac97-pcm-audio",
+ .codec_name = "ad1980",
+ },
+ {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai_name = "bfin-ac97.1",
+ .codec_dai_name = "ad1980-hifi",
+ .platform_name = "bfin-ac97-pcm-audio",
+ .codec_name = "ad1980",
+ },
+};
+
+static struct snd_soc_card bf5xx_board = {
+ .name = "bfin-ad1980",
+ .owner = THIS_MODULE,
+ .dai_link = &bf5xx_board_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+ .num_links = 1,
+};
+
+static struct platform_device *bf5xx_board_snd_device;
+
+static int __init bf5xx_board_init(void)
+{
+ int ret;
+
+ bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bf5xx_board_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board);
+ ret = platform_device_add(bf5xx_board_snd_device);
+
+ if (ret)
+ platform_device_put(bf5xx_board_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_board_exit(void)
+{
+ platform_device_unregister(bf5xx_board_snd_device);
+}
+
+module_init(bf5xx_board_init);
+module_exit(bf5xx_board_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-ad73311.c b/sound/soc/blackfin/bf5xx-ad73311.c
new file mode 100644
index 0000000..786bbdd
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ad73311.c
@@ -0,0 +1,212 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ad73311.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Thur Sep 25 2008
+ * Description: Board driver for ad73311 sound chip
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include <asm/blackfin.h>
+#include <asm/cacheflush.h>
+#include <asm/irq.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#include "../codecs/ad73311.h"
+#include "bf5xx-sport.h"
+
+#if CONFIG_SND_BF5XX_SPORT_NUM == 0
+#define bfin_write_SPORT_TCR1 bfin_write_SPORT0_TCR1
+#define bfin_read_SPORT_TCR1 bfin_read_SPORT0_TCR1
+#define bfin_write_SPORT_TCR2 bfin_write_SPORT0_TCR2
+#define bfin_write_SPORT_TX16 bfin_write_SPORT0_TX16
+#define bfin_read_SPORT_STAT bfin_read_SPORT0_STAT
+#else
+#define bfin_write_SPORT_TCR1 bfin_write_SPORT1_TCR1
+#define bfin_read_SPORT_TCR1 bfin_read_SPORT1_TCR1
+#define bfin_write_SPORT_TCR2 bfin_write_SPORT1_TCR2
+#define bfin_write_SPORT_TX16 bfin_write_SPORT1_TX16
+#define bfin_read_SPORT_STAT bfin_read_SPORT1_STAT
+#endif
+
+#define GPIO_SE CONFIG_SND_BFIN_AD73311_SE
+
+static struct snd_soc_card bf5xx_ad73311;
+
+static int snd_ad73311_startup(void)
+{
+ pr_debug("%s enter\n", __func__);
+
+ /* Pull up SE pin on AD73311L */
+ gpio_set_value(GPIO_SE, 1);
+ return 0;
+}
+
+static int snd_ad73311_configure(void)
+{
+ unsigned short ctrl_regs[6];
+ unsigned short status = 0;
+ int count = 0;
+
+ /* DMCLK = MCLK = 16.384 MHz
+ * SCLK = DMCLK/8 = 2.048 MHz
+ * Sample Rate = DMCLK/2048 = 8 KHz
+ */
+ ctrl_regs[0] = AD_CONTROL | AD_WRITE | CTRL_REG_B | REGB_MCDIV(0) | \
+ REGB_SCDIV(0) | REGB_DIRATE(0);
+ ctrl_regs[1] = AD_CONTROL | AD_WRITE | CTRL_REG_C | REGC_PUDEV | \
+ REGC_PUADC | REGC_PUDAC | REGC_PUREF | REGC_REFUSE ;
+ ctrl_regs[2] = AD_CONTROL | AD_WRITE | CTRL_REG_D | REGD_OGS(2) | \
+ REGD_IGS(2);
+ ctrl_regs[3] = AD_CONTROL | AD_WRITE | CTRL_REG_E | REGE_DA(0x1f);
+ ctrl_regs[4] = AD_CONTROL | AD_WRITE | CTRL_REG_F | REGF_SEEN ;
+ ctrl_regs[5] = AD_CONTROL | AD_WRITE | CTRL_REG_A | REGA_MODE_DATA;
+
+ local_irq_disable();
+ snd_ad73311_startup();
+ udelay(1);
+
+ bfin_write_SPORT_TCR1(TFSR);
+ bfin_write_SPORT_TCR2(0xF);
+ SSYNC();
+
+ /* SPORT Tx Register is a 8 x 16 FIFO, all the data can be put to
+ * FIFO before enable SPORT to transfer the data
+ */
+ for (count = 0; count < 6; count++)
+ bfin_write_SPORT_TX16(ctrl_regs[count]);
+ SSYNC();
+ bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() | TSPEN);
+ SSYNC();
+
+ /* When TUVF is set, the data is already send out */
+ while (!(status & TUVF) && ++count < 10000) {
+ udelay(1);
+ status = bfin_read_SPORT_STAT();
+ SSYNC();
+ }
+ bfin_write_SPORT_TCR1(bfin_read_SPORT_TCR1() & ~TSPEN);
+ SSYNC();
+ local_irq_enable();
+
+ if (count >= 10000) {
+ printk(KERN_ERR "ad73311: failed to configure codec\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int bf5xx_probe(struct snd_soc_card *card)
+{
+ int err;
+ if (gpio_request(GPIO_SE, "AD73311_SE")) {
+ printk(KERN_ERR "%s: Failed ro request GPIO_%d\n", __func__, GPIO_SE);
+ return -EBUSY;
+ }
+
+ gpio_direction_output(GPIO_SE, 0);
+
+ err = snd_ad73311_configure();
+ if (err < 0)
+ return -EFAULT;
+
+ return 0;
+}
+
+#define BF5XX_AD7311_DAI_FMT (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bf5xx_ad73311_dai[] = {
+ {
+ .name = "ad73311",
+ .stream_name = "AD73311",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "ad73311-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ad73311",
+ .dai_fmt = BF5XX_AD7311_DAI_FMT,
+ },
+ {
+ .name = "ad73311",
+ .stream_name = "AD73311",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name = "ad73311-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ad73311",
+ .dai_fmt = BF5XX_AD7311_DAI_FMT,
+ },
+};
+
+static struct snd_soc_card bf5xx_ad73311 = {
+ .name = "bfin-ad73311",
+ .owner = THIS_MODULE,
+ .probe = bf5xx_probe,
+ .dai_link = &bf5xx_ad73311_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+ .num_links = 1,
+};
+
+static struct platform_device *bf5xx_ad73311_snd_device;
+
+static int __init bf5xx_ad73311_init(void)
+{
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ bf5xx_ad73311_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bf5xx_ad73311_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bf5xx_ad73311_snd_device, &bf5xx_ad73311);
+ ret = platform_device_add(bf5xx_ad73311_snd_device);
+
+ if (ret)
+ platform_device_put(bf5xx_ad73311_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_ad73311_exit(void)
+{
+ pr_debug("%s enter\n", __func__);
+ platform_device_unregister(bf5xx_ad73311_snd_device);
+}
+
+module_init(bf5xx_ad73311_init);
+module_exit(bf5xx_ad73311_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC AD73311 Blackfin");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.c b/sound/soc/blackfin/bf5xx-i2s-pcm.c
new file mode 100644
index 0000000..6cba211
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.c
@@ -0,0 +1,361 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-i2s-pcm.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: DMA driver for i2s codec
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gfp.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+
+#include "bf5xx-sport.h"
+#include "bf5xx-i2s-pcm.h"
+
+static void bf5xx_dma_irq(void *data)
+{
+ struct snd_pcm_substream *pcm = data;
+ snd_pcm_period_elapsed(pcm);
+}
+
+static const struct snd_pcm_hardware bf5xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
+ .period_bytes_min = 32,
+ .period_bytes_max = 0x10000,
+ .periods_min = 1,
+ .periods_max = PAGE_SIZE/32,
+ .buffer_bytes_max = 0x20000, /* 128 kbytes */
+ .fifo_size = 16,
+};
+
+static int bf5xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ unsigned int buffer_size = params_buffer_bytes(params);
+ struct bf5xx_i2s_pcm_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode)
+ buffer_size = buffer_size / params_channels(params) * 8;
+
+ return snd_pcm_lib_malloc_pages(substream, buffer_size);
+}
+
+static int bf5xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ snd_pcm_lib_free_pages(substream);
+
+ return 0;
+}
+
+static int bf5xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ int period_bytes = frames_to_bytes(runtime, runtime->period_size);
+ struct bf5xx_i2s_pcm_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode)
+ period_bytes = period_bytes / runtime->channels * 8;
+
+ pr_debug("%s enter\n", __func__);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ sport_set_tx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_tx_dma(sport, runtime->dma_area,
+ runtime->periods, period_bytes);
+ } else {
+ sport_set_rx_callback(sport, bf5xx_dma_irq, substream);
+ sport_config_rx_dma(sport, runtime->dma_area,
+ runtime->periods, period_bytes);
+ }
+
+ return 0;
+}
+
+static int bf5xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ int ret = 0;
+
+ pr_debug("%s enter\n", __func__);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_tx_start(sport);
+ else
+ sport_rx_start(sport);
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_tx_stop(sport);
+ else
+ sport_rx_stop(sport);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t bf5xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct sport_device *sport = runtime->private_data;
+ unsigned int diff;
+ snd_pcm_uframes_t frames;
+ struct bf5xx_i2s_pcm_data *dma_data;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ pr_debug("%s enter\n", __func__);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ diff = sport_curr_offset_tx(sport);
+ } else {
+ diff = sport_curr_offset_rx(sport);
+ }
+
+ /*
+ * TX at least can report one frame beyond the end of the
+ * buffer if we hit the wraparound case - clamp to within the
+ * buffer as the ALSA APIs require.
+ */
+ if (diff == snd_pcm_lib_buffer_bytes(substream))
+ diff = 0;
+
+ frames = bytes_to_frames(substream->runtime, diff);
+ if (dma_data->tdm_mode)
+ frames = frames * runtime->channels / 8;
+
+ return frames;
+}
+
+static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ struct bf5xx_i2s_pcm_data *dma_data;
+ int ret;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ pr_debug("%s enter\n", __func__);
+
+ snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
+ if (dma_data->tdm_mode)
+ runtime->hw.buffer_bytes_max /= 4;
+ else
+ runtime->hw.info |= SNDRV_PCM_INFO_MMAP;
+
+ ret = snd_pcm_hw_constraint_integer(runtime,
+ SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
+ if (sport_handle != NULL) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_handle->tx_buf = buf->area;
+ else
+ sport_handle->rx_buf = buf->area;
+
+ runtime->private_data = sport_handle;
+ } else {
+ pr_err("sport_handle is NULL\n");
+ return -1;
+ }
+ return 0;
+
+ out:
+ return ret;
+}
+
+static int bf5xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ size_t size = vma->vm_end - vma->vm_start;
+ vma->vm_start = (unsigned long)runtime->dma_area;
+ vma->vm_end = vma->vm_start + size;
+ vma->vm_flags |= VM_SHARED;
+
+ return 0 ;
+}
+
+static int bf5xx_pcm_copy(struct snd_pcm_substream *substream, int channel,
+ snd_pcm_uframes_t pos, void *buf, snd_pcm_uframes_t count)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int sample_size = runtime->sample_bits / 8;
+ struct bf5xx_i2s_pcm_data *dma_data;
+ unsigned int i;
+ void *src, *dst;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ src = buf;
+ dst = runtime->dma_area;
+ dst += pos * sample_size * 8;
+
+ while (count--) {
+ for (i = 0; i < runtime->channels; i++) {
+ memcpy(dst + dma_data->map[i] *
+ sample_size, src, sample_size);
+ src += sample_size;
+ }
+ dst += 8 * sample_size;
+ }
+ } else {
+ src = runtime->dma_area;
+ src += pos * sample_size * 8;
+ dst = buf;
+
+ while (count--) {
+ for (i = 0; i < runtime->channels; i++) {
+ memcpy(dst, src + dma_data->map[i] *
+ sample_size, sample_size);
+ dst += sample_size;
+ }
+ src += 8 * sample_size;
+ }
+ }
+ } else {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ src = buf;
+ dst = runtime->dma_area;
+ dst += frames_to_bytes(runtime, pos);
+ } else {
+ src = runtime->dma_area;
+ src += frames_to_bytes(runtime, pos);
+ dst = buf;
+ }
+
+ memcpy(dst, src, frames_to_bytes(runtime, count));
+ }
+
+ return 0;
+}
+
+static int bf5xx_pcm_silence(struct snd_pcm_substream *substream,
+ int channel, snd_pcm_uframes_t pos, snd_pcm_uframes_t count)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned int sample_size = runtime->sample_bits / 8;
+ void *buf = runtime->dma_area;
+ struct bf5xx_i2s_pcm_data *dma_data;
+ unsigned int offset, samples;
+
+ dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ if (dma_data->tdm_mode) {
+ offset = pos * 8 * sample_size;
+ samples = count * 8;
+ } else {
+ offset = frames_to_bytes(runtime, pos);
+ samples = count * runtime->channels;
+ }
+
+ snd_pcm_format_set_silence(runtime->format, buf + offset, samples);
+
+ return 0;
+}
+
+static struct snd_pcm_ops bf5xx_pcm_i2s_ops = {
+ .open = bf5xx_pcm_open,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = bf5xx_pcm_hw_params,
+ .hw_free = bf5xx_pcm_hw_free,
+ .prepare = bf5xx_pcm_prepare,
+ .trigger = bf5xx_pcm_trigger,
+ .pointer = bf5xx_pcm_pointer,
+ .mmap = bf5xx_pcm_mmap,
+ .copy = bf5xx_pcm_copy,
+ .silence = bf5xx_pcm_silence,
+};
+
+static int bf5xx_pcm_i2s_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_card *card = rtd->card->snd_card;
+ size_t size = bf5xx_pcm_hardware.buffer_bytes_max;
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
+
+ return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
+ SNDRV_DMA_TYPE_DEV, card->dev, size, size);
+}
+
+static struct snd_soc_platform_driver bf5xx_i2s_soc_platform = {
+ .ops = &bf5xx_pcm_i2s_ops,
+ .pcm_new = bf5xx_pcm_i2s_new,
+};
+
+static int bfin_i2s_soc_platform_probe(struct platform_device *pdev)
+{
+ return devm_snd_soc_register_platform(&pdev->dev,
+ &bf5xx_i2s_soc_platform);
+}
+
+static struct platform_driver bfin_i2s_pcm_driver = {
+ .driver = {
+ .name = "bfin-i2s-pcm-audio",
+ },
+
+ .probe = bfin_i2s_soc_platform_probe,
+};
+
+module_platform_driver(bfin_i2s_pcm_driver);
+
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ADI Blackfin I2S PCM DMA module");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-i2s-pcm.h b/sound/soc/blackfin/bf5xx-i2s-pcm.h
new file mode 100644
index 0000000..1f04352
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s-pcm.h
@@ -0,0 +1,17 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _BF5XX_TDM_PCM_H
+#define _BF5XX_TDM_PCM_H
+
+#define BFIN_TDM_DAI_MAX_SLOTS 8
+
+struct bf5xx_i2s_pcm_data {
+ unsigned int map[BFIN_TDM_DAI_MAX_SLOTS];
+ bool tdm_mode;
+};
+
+#endif
diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c
new file mode 100644
index 0000000..b69aeef
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-i2s.c
@@ -0,0 +1,391 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-i2s.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: Blackfin I2S CPU DAI driver
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/irq.h>
+#include <asm/portmux.h>
+#include <linux/mutex.h>
+#include <linux/gpio.h>
+
+#include "bf5xx-sport.h"
+#include "bf5xx-i2s-pcm.h"
+
+struct bf5xx_i2s_port {
+ u16 tcr1;
+ u16 rcr1;
+ u16 tcr2;
+ u16 rcr2;
+ int configured;
+
+ unsigned int slots;
+ unsigned int tx_mask;
+ unsigned int rx_mask;
+
+ struct bf5xx_i2s_pcm_data tx_dma_data;
+ struct bf5xx_i2s_pcm_data rx_dma_data;
+};
+
+static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
+ unsigned int fmt)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ int ret = 0;
+
+ /* interface format:support I2S,slave mode */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ bf5xx_i2s->tcr1 |= TFSR | TCKFE;
+ bf5xx_i2s->rcr1 |= RFSR | RCKFE;
+ bf5xx_i2s->tcr2 |= TSFSE;
+ bf5xx_i2s->rcr2 |= RSFSE;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ bf5xx_i2s->tcr1 |= TFSR;
+ bf5xx_i2s->rcr1 |= RFSR;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ ret = -EINVAL;
+ break;
+ default:
+ dev_err(cpu_dai->dev, "%s: Unknown DAI format type\n",
+ __func__);
+ ret = -EINVAL;
+ break;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBM_CFS:
+ case SND_SOC_DAIFMT_CBS_CFM:
+ ret = -EINVAL;
+ break;
+ default:
+ dev_err(cpu_dai->dev, "%s: Unknown DAI master type\n",
+ __func__);
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ int ret = 0;
+
+ bf5xx_i2s->tcr2 &= ~0x1f;
+ bf5xx_i2s->rcr2 &= ~0x1f;
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8:
+ bf5xx_i2s->tcr2 |= 7;
+ bf5xx_i2s->rcr2 |= 7;
+ sport_handle->wdsize = 1;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ bf5xx_i2s->tcr2 |= 15;
+ bf5xx_i2s->rcr2 |= 15;
+ sport_handle->wdsize = 2;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ bf5xx_i2s->tcr2 |= 23;
+ bf5xx_i2s->rcr2 |= 23;
+ sport_handle->wdsize = 3;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ bf5xx_i2s->tcr2 |= 31;
+ bf5xx_i2s->rcr2 |= 31;
+ sport_handle->wdsize = 4;
+ break;
+ }
+
+ if (!bf5xx_i2s->configured) {
+ /*
+ * TX and RX are not independent,they are enabled at the
+ * same time, even if only one side is running. So, we
+ * need to configure both of them at the time when the first
+ * stream is opened.
+ *
+ * CPU DAI:slave mode.
+ */
+ bf5xx_i2s->configured = 1;
+ ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
+ bf5xx_i2s->rcr2, 0, 0);
+ if (ret) {
+ dev_err(dai->dev, "SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
+ bf5xx_i2s->tcr2, 0, 0);
+ if (ret) {
+ dev_err(dai->dev, "SPORT is busy!\n");
+ return -EBUSY;
+ }
+ }
+
+ return 0;
+}
+
+static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+
+ dev_dbg(dai->dev, "%s enter\n", __func__);
+ /* No active stream, SPORT is allowed to be configured again. */
+ if (!dai->active)
+ bf5xx_i2s->configured = 0;
+}
+
+static int bf5xx_i2s_set_channel_map(struct snd_soc_dai *dai,
+ unsigned int tx_num, unsigned int *tx_slot,
+ unsigned int rx_num, unsigned int *rx_slot)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ unsigned int tx_mapped = 0, rx_mapped = 0;
+ unsigned int slot;
+ int i;
+
+ if ((tx_num > BFIN_TDM_DAI_MAX_SLOTS) ||
+ (rx_num > BFIN_TDM_DAI_MAX_SLOTS))
+ return -EINVAL;
+
+ for (i = 0; i < tx_num; i++) {
+ slot = tx_slot[i];
+ if ((slot < BFIN_TDM_DAI_MAX_SLOTS) &&
+ (!(tx_mapped & (1 << slot)))) {
+ bf5xx_i2s->tx_dma_data.map[i] = slot;
+ tx_mapped |= 1 << slot;
+ } else
+ return -EINVAL;
+ }
+ for (i = 0; i < rx_num; i++) {
+ slot = rx_slot[i];
+ if ((slot < BFIN_TDM_DAI_MAX_SLOTS) &&
+ (!(rx_mapped & (1 << slot)))) {
+ bf5xx_i2s->rx_dma_data.map[i] = slot;
+ rx_mapped |= 1 << slot;
+ } else
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int bf5xx_i2s_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
+ unsigned int rx_mask, int slots, int width)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+
+ if (slots % 8 != 0 || slots > 8)
+ return -EINVAL;
+
+ if (width != 32)
+ return -EINVAL;
+
+ bf5xx_i2s->slots = slots;
+ bf5xx_i2s->tx_mask = tx_mask;
+ bf5xx_i2s->rx_mask = rx_mask;
+
+ bf5xx_i2s->tx_dma_data.tdm_mode = slots != 0;
+ bf5xx_i2s->rx_dma_data.tdm_mode = slots != 0;
+
+ return sport_set_multichannel(sport_handle, slots, tx_mask, rx_mask, 0);
+}
+
+#ifdef CONFIG_PM
+static int bf5xx_i2s_suspend(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+
+ dev_dbg(dai->dev, "%s : sport %d\n", __func__, dai->id);
+
+ if (dai->capture_active)
+ sport_rx_stop(sport_handle);
+ if (dai->playback_active)
+ sport_tx_stop(sport_handle);
+ return 0;
+}
+
+static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ int ret;
+
+ dev_dbg(dai->dev, "%s : sport %d\n", __func__, dai->id);
+
+ ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
+ bf5xx_i2s->rcr2, 0, 0);
+ if (ret) {
+ dev_err(dai->dev, "SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
+ bf5xx_i2s->tcr2, 0, 0);
+ if (ret) {
+ dev_err(dai->dev, "SPORT is busy!\n");
+ return -EBUSY;
+ }
+
+ return sport_set_multichannel(sport_handle, bf5xx_i2s->slots,
+ bf5xx_i2s->tx_mask, bf5xx_i2s->rx_mask, 0);
+}
+
+#else
+#define bf5xx_i2s_suspend NULL
+#define bf5xx_i2s_resume NULL
+#endif
+
+static int bf5xx_i2s_dai_probe(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+ unsigned int i;
+
+ for (i = 0; i < BFIN_TDM_DAI_MAX_SLOTS; i++) {
+ bf5xx_i2s->tx_dma_data.map[i] = i;
+ bf5xx_i2s->rx_dma_data.map[i] = i;
+ }
+
+ dai->playback_dma_data = &bf5xx_i2s->tx_dma_data;
+ dai->capture_dma_data = &bf5xx_i2s->rx_dma_data;
+
+ return 0;
+}
+
+#define BF5XX_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
+ SNDRV_PCM_RATE_96000)
+
+#define BF5XX_I2S_FORMATS \
+ (SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static const struct snd_soc_dai_ops bf5xx_i2s_dai_ops = {
+ .shutdown = bf5xx_i2s_shutdown,
+ .hw_params = bf5xx_i2s_hw_params,
+ .set_fmt = bf5xx_i2s_set_dai_fmt,
+ .set_tdm_slot = bf5xx_i2s_set_tdm_slot,
+ .set_channel_map = bf5xx_i2s_set_channel_map,
+};
+
+static struct snd_soc_dai_driver bf5xx_i2s_dai = {
+ .probe = bf5xx_i2s_dai_probe,
+ .suspend = bf5xx_i2s_suspend,
+ .resume = bf5xx_i2s_resume,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = BF5XX_I2S_RATES,
+ .formats = BF5XX_I2S_FORMATS,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = BF5XX_I2S_RATES,
+ .formats = BF5XX_I2S_FORMATS,},
+ .ops = &bf5xx_i2s_dai_ops,
+};
+
+static const struct snd_soc_component_driver bf5xx_i2s_component = {
+ .name = "bf5xx-i2s",
+};
+
+static int bf5xx_i2s_probe(struct platform_device *pdev)
+{
+ struct sport_device *sport_handle;
+ int ret;
+
+ /* configure SPORT for I2S */
+ sport_handle = sport_init(pdev, 4, 8 * sizeof(u32),
+ sizeof(struct bf5xx_i2s_port));
+ if (!sport_handle)
+ return -ENODEV;
+
+ /* register with the ASoC layers */
+ ret = snd_soc_register_component(&pdev->dev, &bf5xx_i2s_component,
+ &bf5xx_i2s_dai, 1);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to register DAI: %d\n", ret);
+ sport_done(sport_handle);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int bf5xx_i2s_remove(struct platform_device *pdev)
+{
+ struct sport_device *sport_handle = platform_get_drvdata(pdev);
+
+ dev_dbg(&pdev->dev, "%s enter\n", __func__);
+
+ snd_soc_unregister_component(&pdev->dev);
+ sport_done(sport_handle);
+
+ return 0;
+}
+
+static struct platform_driver bfin_i2s_driver = {
+ .probe = bf5xx_i2s_probe,
+ .remove = bf5xx_i2s_remove,
+ .driver = {
+ .name = "bfin-i2s",
+ },
+};
+
+module_platform_driver(bfin_i2s_driver);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("I2S driver for ADI Blackfin");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf5xx-sport.c b/sound/soc/blackfin/bf5xx-sport.c
new file mode 100644
index 0000000..9dfa124
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-sport.c
@@ -0,0 +1,1102 @@
+/*
+ * File: bf5xx_sport.c
+ * Based on:
+ * Author: Roy Huang <roy.huang@analog.com>
+ *
+ * Created: Tue Sep 21 10:52:42 CEST 2004
+ * Description:
+ * Blackfin SPORT Driver
+ *
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+#include <linux/bug.h>
+#include <linux/module.h>
+#include <asm/portmux.h>
+#include <asm/dma.h>
+#include <asm/blackfin.h>
+#include <asm/cacheflush.h>
+
+#include "bf5xx-sport.h"
+/* delay between frame sync pulse and first data bit in multichannel mode */
+#define FRAME_DELAY (1<<12)
+
+/* note: multichannel is in units of 8 channels,
+ * tdm_count is # channels NOT / 8 ! */
+int sport_set_multichannel(struct sport_device *sport,
+ int tdm_count, u32 tx_mask, u32 rx_mask, int packed)
+{
+ pr_debug("%s tdm_count=%d tx_mask:0x%08x rx_mask:0x%08x packed=%d\n",
+ __func__, tdm_count, tx_mask, rx_mask, packed);
+
+ if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
+ return -EBUSY;
+
+ if (tdm_count & 0x7)
+ return -EINVAL;
+
+ if (tdm_count > 32)
+ return -EINVAL; /* Only support less than 32 channels now */
+
+ if (tdm_count) {
+ sport->regs->mcmc1 = ((tdm_count>>3)-1) << 12;
+ sport->regs->mcmc2 = FRAME_DELAY | MCMEN | \
+ (packed ? (MCDTXPE|MCDRXPE) : 0);
+
+ sport->regs->mtcs0 = tx_mask;
+ sport->regs->mrcs0 = rx_mask;
+ sport->regs->mtcs1 = 0;
+ sport->regs->mrcs1 = 0;
+ sport->regs->mtcs2 = 0;
+ sport->regs->mrcs2 = 0;
+ sport->regs->mtcs3 = 0;
+ sport->regs->mrcs3 = 0;
+ } else {
+ sport->regs->mcmc1 = 0;
+ sport->regs->mcmc2 = 0;
+
+ sport->regs->mtcs0 = 0;
+ sport->regs->mrcs0 = 0;
+ }
+
+ sport->regs->mtcs1 = 0; sport->regs->mtcs2 = 0; sport->regs->mtcs3 = 0;
+ sport->regs->mrcs1 = 0; sport->regs->mrcs2 = 0; sport->regs->mrcs3 = 0;
+
+ SSYNC();
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_multichannel);
+
+int sport_config_rx(struct sport_device *sport, unsigned int rcr1,
+ unsigned int rcr2, unsigned int clkdiv, unsigned int fsdiv)
+{
+ if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
+ return -EBUSY;
+
+ sport->regs->rcr1 = rcr1;
+ sport->regs->rcr2 = rcr2;
+ sport->regs->rclkdiv = clkdiv;
+ sport->regs->rfsdiv = fsdiv;
+
+ SSYNC();
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_rx);
+
+int sport_config_tx(struct sport_device *sport, unsigned int tcr1,
+ unsigned int tcr2, unsigned int clkdiv, unsigned int fsdiv)
+{
+ if ((sport->regs->tcr1 & TSPEN) || (sport->regs->rcr1 & RSPEN))
+ return -EBUSY;
+
+ sport->regs->tcr1 = tcr1;
+ sport->regs->tcr2 = tcr2;
+ sport->regs->tclkdiv = clkdiv;
+ sport->regs->tfsdiv = fsdiv;
+
+ SSYNC();
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_tx);
+
+static void setup_desc(struct dmasg *desc, void *buf, int fragcount,
+ size_t fragsize, unsigned int cfg,
+ unsigned int x_count, unsigned int ycount, size_t wdsize)
+{
+
+ int i;
+
+ for (i = 0; i < fragcount; ++i) {
+ desc[i].next_desc_addr = &(desc[i + 1]);
+ desc[i].start_addr = (unsigned long)buf + i*fragsize;
+ desc[i].cfg = cfg;
+ desc[i].x_count = x_count;
+ desc[i].x_modify = wdsize;
+ desc[i].y_count = ycount;
+ desc[i].y_modify = wdsize;
+ }
+
+ /* make circular */
+ desc[fragcount-1].next_desc_addr = desc;
+
+ pr_debug("setup desc: desc0=%p, next0=%p, desc1=%p,"
+ "next1=%p\nx_count=%x,y_count=%x,addr=0x%lx,cfs=0x%x\n",
+ desc, desc[0].next_desc_addr,
+ desc+1, desc[1].next_desc_addr,
+ desc[0].x_count, desc[0].y_count,
+ desc[0].start_addr, desc[0].cfg);
+}
+
+static int sport_start(struct sport_device *sport)
+{
+ enable_dma(sport->dma_rx_chan);
+ enable_dma(sport->dma_tx_chan);
+ sport->regs->rcr1 |= RSPEN;
+ sport->regs->tcr1 |= TSPEN;
+ SSYNC();
+
+ return 0;
+}
+
+static int sport_stop(struct sport_device *sport)
+{
+ sport->regs->tcr1 &= ~TSPEN;
+ sport->regs->rcr1 &= ~RSPEN;
+ SSYNC();
+
+ disable_dma(sport->dma_rx_chan);
+ disable_dma(sport->dma_tx_chan);
+ return 0;
+}
+
+static inline int sport_hook_rx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc, temp_desc;
+ unsigned long flags;
+
+ if (WARN_ON(!sport->dummy_rx_desc) ||
+ WARN_ON(sport->curr_rx_desc == sport->dummy_rx_desc))
+ return -EINVAL;
+
+ /* Maybe the dummy buffer descriptor ring is damaged */
+ sport->dummy_rx_desc->next_desc_addr = sport->dummy_rx_desc + 1;
+
+ local_irq_save(flags);
+ desc = get_dma_next_desc_ptr(sport->dma_rx_chan);
+ /* Copy the descriptor which will be damaged to backup */
+ temp_desc = *desc;
+ desc->x_count = sport->dummy_count / 2;
+ desc->y_count = 0;
+ desc->next_desc_addr = sport->dummy_rx_desc;
+ local_irq_restore(flags);
+ /* Waiting for dummy buffer descriptor is already hooked*/
+ while ((get_dma_curr_desc_ptr(sport->dma_rx_chan) -
+ sizeof(struct dmasg)) != sport->dummy_rx_desc)
+ continue;
+ sport->curr_rx_desc = sport->dummy_rx_desc;
+ /* Restore the damaged descriptor */
+ *desc = temp_desc;
+
+ return 0;
+}
+
+static inline int sport_rx_dma_start(struct sport_device *sport, int dummy)
+{
+ if (dummy) {
+ sport->dummy_rx_desc->next_desc_addr = sport->dummy_rx_desc;
+ sport->curr_rx_desc = sport->dummy_rx_desc;
+ } else
+ sport->curr_rx_desc = sport->dma_rx_desc;
+
+ set_dma_next_desc_addr(sport->dma_rx_chan, sport->curr_rx_desc);
+ set_dma_x_count(sport->dma_rx_chan, 0);
+ set_dma_x_modify(sport->dma_rx_chan, 0);
+ set_dma_config(sport->dma_rx_chan, (DMAFLOW_LARGE | NDSIZE_9 | \
+ WDSIZE_32 | WNR));
+ set_dma_curr_addr(sport->dma_rx_chan, sport->curr_rx_desc->start_addr);
+ SSYNC();
+
+ return 0;
+}
+
+static inline int sport_tx_dma_start(struct sport_device *sport, int dummy)
+{
+ if (dummy) {
+ sport->dummy_tx_desc->next_desc_addr = sport->dummy_tx_desc;
+ sport->curr_tx_desc = sport->dummy_tx_desc;
+ } else
+ sport->curr_tx_desc = sport->dma_tx_desc;
+
+ set_dma_next_desc_addr(sport->dma_tx_chan, sport->curr_tx_desc);
+ set_dma_x_count(sport->dma_tx_chan, 0);
+ set_dma_x_modify(sport->dma_tx_chan, 0);
+ set_dma_config(sport->dma_tx_chan,
+ (DMAFLOW_LARGE | NDSIZE_9 | WDSIZE_32));
+ set_dma_curr_addr(sport->dma_tx_chan, sport->curr_tx_desc->start_addr);
+ SSYNC();
+
+ return 0;
+}
+
+int sport_rx_start(struct sport_device *sport)
+{
+ unsigned long flags;
+ pr_debug("%s enter\n", __func__);
+ if (sport->rx_run)
+ return -EBUSY;
+ if (sport->tx_run) {
+ /* tx is running, rx is not running */
+ if (WARN_ON(!sport->dma_rx_desc) ||
+ WARN_ON(sport->curr_rx_desc != sport->dummy_rx_desc))
+ return -EINVAL;
+ local_irq_save(flags);
+ while ((get_dma_curr_desc_ptr(sport->dma_rx_chan) -
+ sizeof(struct dmasg)) != sport->dummy_rx_desc)
+ continue;
+ sport->dummy_rx_desc->next_desc_addr = sport->dma_rx_desc;
+ local_irq_restore(flags);
+ sport->curr_rx_desc = sport->dma_rx_desc;
+ } else {
+ sport_tx_dma_start(sport, 1);
+ sport_rx_dma_start(sport, 0);
+ sport_start(sport);
+ }
+
+ sport->rx_run = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_rx_start);
+
+int sport_rx_stop(struct sport_device *sport)
+{
+ pr_debug("%s enter\n", __func__);
+
+ if (!sport->rx_run)
+ return 0;
+ if (sport->tx_run) {
+ /* TX dma is still running, hook the dummy buffer */
+ sport_hook_rx_dummy(sport);
+ } else {
+ /* Both rx and tx dma will be stopped */
+ sport_stop(sport);
+ sport->curr_rx_desc = NULL;
+ sport->curr_tx_desc = NULL;
+ }
+
+ sport->rx_run = 0;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_rx_stop);
+
+static inline int sport_hook_tx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc, temp_desc;
+ unsigned long flags;
+
+ if (WARN_ON(!sport->dummy_tx_desc) ||
+ WARN_ON(sport->curr_tx_desc == sport->dummy_tx_desc))
+ return -EINVAL;
+
+ sport->dummy_tx_desc->next_desc_addr = sport->dummy_tx_desc + 1;
+
+ /* Shorten the time on last normal descriptor */
+ local_irq_save(flags);
+ desc = get_dma_next_desc_ptr(sport->dma_tx_chan);
+ /* Store the descriptor which will be damaged */
+ temp_desc = *desc;
+ desc->x_count = sport->dummy_count / 2;
+ desc->y_count = 0;
+ desc->next_desc_addr = sport->dummy_tx_desc;
+ local_irq_restore(flags);
+ /* Waiting for dummy buffer descriptor is already hooked*/
+ while ((get_dma_curr_desc_ptr(sport->dma_tx_chan) - \
+ sizeof(struct dmasg)) != sport->dummy_tx_desc)
+ continue;
+ sport->curr_tx_desc = sport->dummy_tx_desc;
+ /* Restore the damaged descriptor */
+ *desc = temp_desc;
+
+ return 0;
+}
+
+int sport_tx_start(struct sport_device *sport)
+{
+ unsigned long flags;
+ pr_debug("%s: tx_run:%d, rx_run:%d\n", __func__,
+ sport->tx_run, sport->rx_run);
+ if (sport->tx_run)
+ return -EBUSY;
+ if (sport->rx_run) {
+ if (WARN_ON(!sport->dma_tx_desc) ||
+ WARN_ON(sport->curr_tx_desc != sport->dummy_tx_desc))
+ return -EINVAL;
+ /* Hook the normal buffer descriptor */
+ local_irq_save(flags);
+ while ((get_dma_curr_desc_ptr(sport->dma_tx_chan) -
+ sizeof(struct dmasg)) != sport->dummy_tx_desc)
+ continue;
+ sport->dummy_tx_desc->next_desc_addr = sport->dma_tx_desc;
+ local_irq_restore(flags);
+ sport->curr_tx_desc = sport->dma_tx_desc;
+ } else {
+
+ sport_tx_dma_start(sport, 0);
+ /* Let rx dma run the dummy buffer */
+ sport_rx_dma_start(sport, 1);
+ sport_start(sport);
+ }
+ sport->tx_run = 1;
+ return 0;
+}
+EXPORT_SYMBOL(sport_tx_start);
+
+int sport_tx_stop(struct sport_device *sport)
+{
+ if (!sport->tx_run)
+ return 0;
+ if (sport->rx_run) {
+ /* RX is still running, hook the dummy buffer */
+ sport_hook_tx_dummy(sport);
+ } else {
+ /* Both rx and tx dma stopped */
+ sport_stop(sport);
+ sport->curr_rx_desc = NULL;
+ sport->curr_tx_desc = NULL;
+ }
+
+ sport->tx_run = 0;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_tx_stop);
+
+static inline int compute_wdsize(size_t wdsize)
+{
+ switch (wdsize) {
+ case 1:
+ return WDSIZE_8;
+ case 2:
+ return WDSIZE_16;
+ case 4:
+ default:
+ return WDSIZE_32;
+ }
+}
+
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize)
+{
+ unsigned int x_count;
+ unsigned int y_count;
+ unsigned int cfg;
+ dma_addr_t addr;
+
+ pr_debug("%s buf:%p, frag:%d, fragsize:0x%lx\n", __func__, \
+ buf, fragcount, fragsize);
+
+ x_count = fragsize / sport->wdsize;
+ y_count = 0;
+
+ /* for fragments larger than 64k words we use 2d dma,
+ * denote fragecount as two numbers' mutliply and both of them
+ * are less than 64k.*/
+ if (x_count >= 0x10000) {
+ int i, count = x_count;
+
+ for (i = 16; i > 0; i--) {
+ x_count = 1 << i;
+ if ((count & (x_count - 1)) == 0) {
+ y_count = count >> i;
+ if (y_count < 0x10000)
+ break;
+ }
+ }
+ if (i == 0)
+ return -EINVAL;
+ }
+ pr_debug("%s(x_count:0x%x, y_count:0x%x)\n", __func__,
+ x_count, y_count);
+
+ if (sport->dma_rx_desc)
+ dma_free_coherent(NULL, sport->rx_desc_bytes,
+ sport->dma_rx_desc, 0);
+
+ /* Allocate a new descritor ring as current one. */
+ sport->dma_rx_desc = dma_alloc_coherent(NULL, \
+ fragcount * sizeof(struct dmasg), &addr, 0);
+ sport->rx_desc_bytes = fragcount * sizeof(struct dmasg);
+
+ if (!sport->dma_rx_desc) {
+ pr_err("Failed to allocate memory for rx desc\n");
+ return -ENOMEM;
+ }
+
+ sport->rx_buf = buf;
+ sport->rx_fragsize = fragsize;
+ sport->rx_frags = fragcount;
+
+ cfg = 0x7000 | DI_EN | compute_wdsize(sport->wdsize) | WNR | \
+ (DESC_ELEMENT_COUNT << 8); /* large descriptor mode */
+
+ if (y_count != 0)
+ cfg |= DMA2D;
+
+ setup_desc(sport->dma_rx_desc, buf, fragcount, fragsize,
+ cfg|DMAEN, x_count, y_count, sport->wdsize);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_rx_dma);
+
+int sport_config_tx_dma(struct sport_device *sport, void *buf, \
+ int fragcount, size_t fragsize)
+{
+ unsigned int x_count;
+ unsigned int y_count;
+ unsigned int cfg;
+ dma_addr_t addr;
+
+ pr_debug("%s buf:%p, fragcount:%d, fragsize:0x%lx\n",
+ __func__, buf, fragcount, fragsize);
+
+ x_count = fragsize/sport->wdsize;
+ y_count = 0;
+
+ /* for fragments larger than 64k words we use 2d dma,
+ * denote fragecount as two numbers' mutliply and both of them
+ * are less than 64k.*/
+ if (x_count >= 0x10000) {
+ int i, count = x_count;
+
+ for (i = 16; i > 0; i--) {
+ x_count = 1 << i;
+ if ((count & (x_count - 1)) == 0) {
+ y_count = count >> i;
+ if (y_count < 0x10000)
+ break;
+ }
+ }
+ if (i == 0)
+ return -EINVAL;
+ }
+ pr_debug("%s x_count:0x%x, y_count:0x%x\n", __func__,
+ x_count, y_count);
+
+
+ if (sport->dma_tx_desc) {
+ dma_free_coherent(NULL, sport->tx_desc_bytes, \
+ sport->dma_tx_desc, 0);
+ }
+
+ sport->dma_tx_desc = dma_alloc_coherent(NULL, \
+ fragcount * sizeof(struct dmasg), &addr, 0);
+ sport->tx_desc_bytes = fragcount * sizeof(struct dmasg);
+ if (!sport->dma_tx_desc) {
+ pr_err("Failed to allocate memory for tx desc\n");
+ return -ENOMEM;
+ }
+
+ sport->tx_buf = buf;
+ sport->tx_fragsize = fragsize;
+ sport->tx_frags = fragcount;
+ cfg = 0x7000 | DI_EN | compute_wdsize(sport->wdsize) | \
+ (DESC_ELEMENT_COUNT << 8); /* large descriptor mode */
+
+ if (y_count != 0)
+ cfg |= DMA2D;
+
+ setup_desc(sport->dma_tx_desc, buf, fragcount, fragsize,
+ cfg|DMAEN, x_count, y_count, sport->wdsize);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_tx_dma);
+
+/* setup dummy dma descriptor ring, which don't generate interrupts,
+ * the x_modify is set to 0 */
+static int sport_config_rx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc;
+ unsigned config;
+
+ pr_debug("%s entered\n", __func__);
+ if (L1_DATA_A_LENGTH)
+ desc = l1_data_sram_zalloc(2 * sizeof(*desc));
+ else {
+ dma_addr_t addr;
+ desc = dma_alloc_coherent(NULL, 2 * sizeof(*desc), &addr, 0);
+ memset(desc, 0, 2 * sizeof(*desc));
+ }
+ if (desc == NULL) {
+ pr_err("Failed to allocate memory for dummy rx desc\n");
+ return -ENOMEM;
+ }
+ sport->dummy_rx_desc = desc;
+ desc->start_addr = (unsigned long)sport->dummy_buf;
+ config = DMAFLOW_LARGE | NDSIZE_9 | compute_wdsize(sport->wdsize)
+ | WNR | DMAEN;
+ desc->cfg = config;
+ desc->x_count = sport->dummy_count/sport->wdsize;
+ desc->x_modify = sport->wdsize;
+ desc->y_count = 0;
+ desc->y_modify = 0;
+ memcpy(desc+1, desc, sizeof(*desc));
+ desc->next_desc_addr = desc + 1;
+ desc[1].next_desc_addr = desc;
+ return 0;
+}
+
+static int sport_config_tx_dummy(struct sport_device *sport)
+{
+ struct dmasg *desc;
+ unsigned int config;
+
+ pr_debug("%s entered\n", __func__);
+
+ if (L1_DATA_A_LENGTH)
+ desc = l1_data_sram_zalloc(2 * sizeof(*desc));
+ else {
+ dma_addr_t addr;
+ desc = dma_alloc_coherent(NULL, 2 * sizeof(*desc), &addr, 0);
+ memset(desc, 0, 2 * sizeof(*desc));
+ }
+ if (!desc) {
+ pr_err("Failed to allocate memory for dummy tx desc\n");
+ return -ENOMEM;
+ }
+ sport->dummy_tx_desc = desc;
+ desc->start_addr = (unsigned long)sport->dummy_buf + \
+ sport->dummy_count;
+ config = DMAFLOW_LARGE | NDSIZE_9 |
+ compute_wdsize(sport->wdsize) | DMAEN;
+ desc->cfg = config;
+ desc->x_count = sport->dummy_count/sport->wdsize;
+ desc->x_modify = sport->wdsize;
+ desc->y_count = 0;
+ desc->y_modify = 0;
+ memcpy(desc+1, desc, sizeof(*desc));
+ desc->next_desc_addr = desc + 1;
+ desc[1].next_desc_addr = desc;
+ return 0;
+}
+
+unsigned long sport_curr_offset_rx(struct sport_device *sport)
+{
+ unsigned long curr = get_dma_curr_addr(sport->dma_rx_chan);
+
+ return (unsigned char *)curr - sport->rx_buf;
+}
+EXPORT_SYMBOL(sport_curr_offset_rx);
+
+unsigned long sport_curr_offset_tx(struct sport_device *sport)
+{
+ unsigned long curr = get_dma_curr_addr(sport->dma_tx_chan);
+
+ return (unsigned char *)curr - sport->tx_buf;
+}
+EXPORT_SYMBOL(sport_curr_offset_tx);
+
+void sport_incfrag(struct sport_device *sport, int *frag, int tx)
+{
+ ++(*frag);
+ if (tx == 1 && *frag == sport->tx_frags)
+ *frag = 0;
+
+ if (tx == 0 && *frag == sport->rx_frags)
+ *frag = 0;
+}
+EXPORT_SYMBOL(sport_incfrag);
+
+void sport_decfrag(struct sport_device *sport, int *frag, int tx)
+{
+ --(*frag);
+ if (tx == 1 && *frag == 0)
+ *frag = sport->tx_frags;
+
+ if (tx == 0 && *frag == 0)
+ *frag = sport->rx_frags;
+}
+EXPORT_SYMBOL(sport_decfrag);
+
+static int sport_check_status(struct sport_device *sport,
+ unsigned int *sport_stat,
+ unsigned int *rx_stat,
+ unsigned int *tx_stat)
+{
+ int status = 0;
+
+ if (sport_stat) {
+ SSYNC();
+ status = sport->regs->stat;
+ if (status & (TOVF|TUVF|ROVF|RUVF))
+ sport->regs->stat = (status & (TOVF|TUVF|ROVF|RUVF));
+ SSYNC();
+ *sport_stat = status;
+ }
+
+ if (rx_stat) {
+ SSYNC();
+ status = get_dma_curr_irqstat(sport->dma_rx_chan);
+ if (status & (DMA_DONE|DMA_ERR))
+ clear_dma_irqstat(sport->dma_rx_chan);
+ SSYNC();
+ *rx_stat = status;
+ }
+
+ if (tx_stat) {
+ SSYNC();
+ status = get_dma_curr_irqstat(sport->dma_tx_chan);
+ if (status & (DMA_DONE|DMA_ERR))
+ clear_dma_irqstat(sport->dma_tx_chan);
+ SSYNC();
+ *tx_stat = status;
+ }
+
+ return 0;
+}
+
+int sport_dump_stat(struct sport_device *sport, char *buf, size_t len)
+{
+ int ret;
+
+ ret = snprintf(buf, len,
+ "sts: 0x%04x\n"
+ "rx dma %d sts: 0x%04x tx dma %d sts: 0x%04x\n",
+ sport->regs->stat,
+ sport->dma_rx_chan,
+ get_dma_curr_irqstat(sport->dma_rx_chan),
+ sport->dma_tx_chan,
+ get_dma_curr_irqstat(sport->dma_tx_chan));
+ buf += ret;
+ len -= ret;
+
+ ret += snprintf(buf, len,
+ "curr_rx_desc:0x%p, curr_tx_desc:0x%p\n"
+ "dma_rx_desc:0x%p, dma_tx_desc:0x%p\n"
+ "dummy_rx_desc:0x%p, dummy_tx_desc:0x%p\n",
+ sport->curr_rx_desc, sport->curr_tx_desc,
+ sport->dma_rx_desc, sport->dma_tx_desc,
+ sport->dummy_rx_desc, sport->dummy_tx_desc);
+
+ return ret;
+}
+
+static irqreturn_t rx_handler(int irq, void *dev_id)
+{
+ unsigned int rx_stat;
+ struct sport_device *sport = dev_id;
+
+ pr_debug("%s enter\n", __func__);
+ sport_check_status(sport, NULL, &rx_stat, NULL);
+ if (!(rx_stat & DMA_DONE))
+ pr_err("rx dma is already stopped\n");
+
+ if (sport->rx_callback) {
+ sport->rx_callback(sport->rx_data);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+static irqreturn_t tx_handler(int irq, void *dev_id)
+{
+ unsigned int tx_stat;
+ struct sport_device *sport = dev_id;
+ pr_debug("%s enter\n", __func__);
+ sport_check_status(sport, NULL, NULL, &tx_stat);
+ if (!(tx_stat & DMA_DONE)) {
+ pr_err("tx dma is already stopped\n");
+ return IRQ_HANDLED;
+ }
+ if (sport->tx_callback) {
+ sport->tx_callback(sport->tx_data);
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+static irqreturn_t err_handler(int irq, void *dev_id)
+{
+ unsigned int status = 0;
+ struct sport_device *sport = dev_id;
+
+ pr_debug("%s\n", __func__);
+ if (sport_check_status(sport, &status, NULL, NULL)) {
+ pr_err("error checking status ??");
+ return IRQ_NONE;
+ }
+
+ if (status & (TOVF|TUVF|ROVF|RUVF)) {
+ pr_info("sport status error:%s%s%s%s\n",
+ status & TOVF ? " TOVF" : "",
+ status & TUVF ? " TUVF" : "",
+ status & ROVF ? " ROVF" : "",
+ status & RUVF ? " RUVF" : "");
+ if (status & TOVF || status & TUVF) {
+ disable_dma(sport->dma_tx_chan);
+ if (sport->tx_run)
+ sport_tx_dma_start(sport, 0);
+ else
+ sport_tx_dma_start(sport, 1);
+ enable_dma(sport->dma_tx_chan);
+ } else {
+ disable_dma(sport->dma_rx_chan);
+ if (sport->rx_run)
+ sport_rx_dma_start(sport, 0);
+ else
+ sport_rx_dma_start(sport, 1);
+ enable_dma(sport->dma_rx_chan);
+ }
+ }
+ status = sport->regs->stat;
+ if (status & (TOVF|TUVF|ROVF|RUVF))
+ sport->regs->stat = (status & (TOVF|TUVF|ROVF|RUVF));
+ SSYNC();
+
+ if (sport->err_callback)
+ sport->err_callback(sport->err_data);
+
+ return IRQ_HANDLED;
+}
+
+int sport_set_rx_callback(struct sport_device *sport,
+ void (*rx_callback)(void *), void *rx_data)
+{
+ if (WARN_ON(!rx_callback))
+ return -EINVAL;
+ sport->rx_callback = rx_callback;
+ sport->rx_data = rx_data;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_rx_callback);
+
+int sport_set_tx_callback(struct sport_device *sport,
+ void (*tx_callback)(void *), void *tx_data)
+{
+ if (WARN_ON(!tx_callback))
+ return -EINVAL;
+ sport->tx_callback = tx_callback;
+ sport->tx_data = tx_data;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_tx_callback);
+
+int sport_set_err_callback(struct sport_device *sport,
+ void (*err_callback)(void *), void *err_data)
+{
+ if (WARN_ON(!err_callback))
+ return -EINVAL;
+ sport->err_callback = err_callback;
+ sport->err_data = err_data;
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_err_callback);
+
+static int sport_config_pdev(struct platform_device *pdev, struct sport_param *param)
+{
+ /* Extract settings from platform data */
+ struct device *dev = &pdev->dev;
+ struct bfin_snd_platform_data *pdata = dev->platform_data;
+ struct resource *res;
+
+ param->num = pdev->id;
+
+ if (!pdata) {
+ dev_err(dev, "no platform_data\n");
+ return -ENODEV;
+ }
+ param->pin_req = pdata->pin_req;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(dev, "no MEM resource\n");
+ return -ENODEV;
+ }
+ param->regs = (struct sport_register *)res->start;
+
+ /* first RX, then TX */
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!res) {
+ dev_err(dev, "no rx DMA resource\n");
+ return -ENODEV;
+ }
+ param->dma_rx_chan = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+ if (!res) {
+ dev_err(dev, "no tx DMA resource\n");
+ return -ENODEV;
+ }
+ param->dma_tx_chan = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!res) {
+ dev_err(dev, "no irq resource\n");
+ return -ENODEV;
+ }
+ param->err_irq = res->start;
+
+ return 0;
+}
+
+struct sport_device *sport_init(struct platform_device *pdev,
+ unsigned int wdsize, unsigned int dummy_count, size_t priv_size)
+{
+ struct device *dev = &pdev->dev;
+ struct sport_param param;
+ struct sport_device *sport;
+ int ret;
+
+ dev_dbg(dev, "%s enter\n", __func__);
+
+ param.wdsize = wdsize;
+ param.dummy_count = dummy_count;
+ if (WARN_ON(param.wdsize == 0 || param.dummy_count == 0))
+ return NULL;
+
+ ret = sport_config_pdev(pdev, ¶m);
+ if (ret)
+ return NULL;
+
+ if (peripheral_request_list(param.pin_req, "soc-audio")) {
+ dev_err(dev, "requesting Peripherals failed\n");
+ return NULL;
+ }
+
+ sport = kzalloc(sizeof(*sport), GFP_KERNEL);
+ if (!sport) {
+ dev_err(dev, "failed to allocate for sport device\n");
+ goto __init_err0;
+ }
+
+ sport->num = param.num;
+ sport->dma_rx_chan = param.dma_rx_chan;
+ sport->dma_tx_chan = param.dma_tx_chan;
+ sport->err_irq = param.err_irq;
+ sport->regs = param.regs;
+ sport->pin_req = param.pin_req;
+
+ if (request_dma(sport->dma_rx_chan, "SPORT RX Data") == -EBUSY) {
+ dev_err(dev, "failed to request RX dma %d\n", sport->dma_rx_chan);
+ goto __init_err1;
+ }
+ if (set_dma_callback(sport->dma_rx_chan, rx_handler, sport) != 0) {
+ dev_err(dev, "failed to request RX irq %d\n", sport->dma_rx_chan);
+ goto __init_err2;
+ }
+
+ if (request_dma(sport->dma_tx_chan, "SPORT TX Data") == -EBUSY) {
+ dev_err(dev, "failed to request TX dma %d\n", sport->dma_tx_chan);
+ goto __init_err2;
+ }
+
+ if (set_dma_callback(sport->dma_tx_chan, tx_handler, sport) != 0) {
+ dev_err(dev, "failed to request TX irq %d\n", sport->dma_tx_chan);
+ goto __init_err3;
+ }
+
+ if (request_irq(sport->err_irq, err_handler, IRQF_SHARED, "SPORT err",
+ sport) < 0) {
+ dev_err(dev, "failed to request err irq %d\n", sport->err_irq);
+ goto __init_err3;
+ }
+
+ dev_info(dev, "dma rx:%d tx:%d, err irq:%d, regs:%p\n",
+ sport->dma_rx_chan, sport->dma_tx_chan,
+ sport->err_irq, sport->regs);
+
+ sport->wdsize = param.wdsize;
+ sport->dummy_count = param.dummy_count;
+
+ sport->private_data = kzalloc(priv_size, GFP_KERNEL);
+ if (!sport->private_data) {
+ dev_err(dev, "could not alloc priv data %zu bytes\n", priv_size);
+ goto __init_err4;
+ }
+
+ if (L1_DATA_A_LENGTH)
+ sport->dummy_buf = l1_data_sram_zalloc(param.dummy_count * 2);
+ else
+ sport->dummy_buf = kzalloc(param.dummy_count * 2, GFP_KERNEL);
+ if (sport->dummy_buf == NULL) {
+ dev_err(dev, "failed to allocate dummy buffer\n");
+ goto __error1;
+ }
+
+ ret = sport_config_rx_dummy(sport);
+ if (ret) {
+ dev_err(dev, "failed to config rx dummy ring\n");
+ goto __error2;
+ }
+ ret = sport_config_tx_dummy(sport);
+ if (ret) {
+ dev_err(dev, "failed to config tx dummy ring\n");
+ goto __error3;
+ }
+
+ platform_set_drvdata(pdev, sport);
+
+ return sport;
+__error3:
+ if (L1_DATA_A_LENGTH)
+ l1_data_sram_free(sport->dummy_rx_desc);
+ else
+ dma_free_coherent(NULL, 2*sizeof(struct dmasg),
+ sport->dummy_rx_desc, 0);
+__error2:
+ if (L1_DATA_A_LENGTH)
+ l1_data_sram_free(sport->dummy_buf);
+ else
+ kfree(sport->dummy_buf);
+__error1:
+ kfree(sport->private_data);
+__init_err4:
+ free_irq(sport->err_irq, sport);
+__init_err3:
+ free_dma(sport->dma_tx_chan);
+__init_err2:
+ free_dma(sport->dma_rx_chan);
+__init_err1:
+ kfree(sport);
+__init_err0:
+ peripheral_free_list(param.pin_req);
+ return NULL;
+}
+EXPORT_SYMBOL(sport_init);
+
+void sport_done(struct sport_device *sport)
+{
+ if (sport == NULL)
+ return;
+
+ sport_stop(sport);
+ if (sport->dma_rx_desc)
+ dma_free_coherent(NULL, sport->rx_desc_bytes,
+ sport->dma_rx_desc, 0);
+ if (sport->dma_tx_desc)
+ dma_free_coherent(NULL, sport->tx_desc_bytes,
+ sport->dma_tx_desc, 0);
+
+#if L1_DATA_A_LENGTH != 0
+ l1_data_sram_free(sport->dummy_rx_desc);
+ l1_data_sram_free(sport->dummy_tx_desc);
+ l1_data_sram_free(sport->dummy_buf);
+#else
+ dma_free_coherent(NULL, 2*sizeof(struct dmasg),
+ sport->dummy_rx_desc, 0);
+ dma_free_coherent(NULL, 2*sizeof(struct dmasg),
+ sport->dummy_tx_desc, 0);
+ kfree(sport->dummy_buf);
+#endif
+ free_dma(sport->dma_rx_chan);
+ free_dma(sport->dma_tx_chan);
+ free_irq(sport->err_irq, sport);
+
+ kfree(sport->private_data);
+ peripheral_free_list(sport->pin_req);
+ kfree(sport);
+}
+EXPORT_SYMBOL(sport_done);
+
+/*
+* It is only used to send several bytes when dma is not enabled
+ * sport controller is configured but not enabled.
+ * Multichannel cannot works with pio mode */
+/* Used by ac97 to write and read codec register */
+int sport_send_and_recv(struct sport_device *sport, u8 *out_data, \
+ u8 *in_data, int len)
+{
+ unsigned short dma_config;
+ unsigned short status;
+ unsigned long flags;
+ unsigned long wait = 0;
+
+ pr_debug("%s enter, out_data:%p, in_data:%p len:%d\n", \
+ __func__, out_data, in_data, len);
+ pr_debug("tcr1:0x%04x, tcr2:0x%04x, tclkdiv:0x%04x, tfsdiv:0x%04x\n"
+ "mcmc1:0x%04x, mcmc2:0x%04x\n",
+ sport->regs->tcr1, sport->regs->tcr2,
+ sport->regs->tclkdiv, sport->regs->tfsdiv,
+ sport->regs->mcmc1, sport->regs->mcmc2);
+ flush_dcache_range((unsigned)out_data, (unsigned)(out_data + len));
+
+ /* Enable tx dma */
+ dma_config = (RESTART | WDSIZE_16 | DI_EN);
+ set_dma_start_addr(sport->dma_tx_chan, (unsigned long)out_data);
+ set_dma_x_count(sport->dma_tx_chan, len/2);
+ set_dma_x_modify(sport->dma_tx_chan, 2);
+ set_dma_config(sport->dma_tx_chan, dma_config);
+ enable_dma(sport->dma_tx_chan);
+
+ if (in_data != NULL) {
+ invalidate_dcache_range((unsigned)in_data, \
+ (unsigned)(in_data + len));
+ /* Enable rx dma */
+ dma_config = (RESTART | WDSIZE_16 | WNR | DI_EN);
+ set_dma_start_addr(sport->dma_rx_chan, (unsigned long)in_data);
+ set_dma_x_count(sport->dma_rx_chan, len/2);
+ set_dma_x_modify(sport->dma_rx_chan, 2);
+ set_dma_config(sport->dma_rx_chan, dma_config);
+ enable_dma(sport->dma_rx_chan);
+ }
+
+ local_irq_save(flags);
+ sport->regs->tcr1 |= TSPEN;
+ sport->regs->rcr1 |= RSPEN;
+ SSYNC();
+
+ status = get_dma_curr_irqstat(sport->dma_tx_chan);
+ while (status & DMA_RUN) {
+ udelay(1);
+ status = get_dma_curr_irqstat(sport->dma_tx_chan);
+ pr_debug("DMA status:0x%04x\n", status);
+ if (wait++ > 100)
+ goto __over;
+ }
+ status = sport->regs->stat;
+ wait = 0;
+
+ while (!(status & TXHRE)) {
+ pr_debug("sport status:0x%04x\n", status);
+ udelay(1);
+ status = *(unsigned short *)&sport->regs->stat;
+ if (wait++ > 1000)
+ goto __over;
+ }
+ /* Wait for the last byte sent out */
+ udelay(20);
+ pr_debug("sport status:0x%04x\n", status);
+
+__over:
+ sport->regs->tcr1 &= ~TSPEN;
+ sport->regs->rcr1 &= ~RSPEN;
+ SSYNC();
+ disable_dma(sport->dma_tx_chan);
+ /* Clear the status */
+ clear_dma_irqstat(sport->dma_tx_chan);
+ if (in_data != NULL) {
+ disable_dma(sport->dma_rx_chan);
+ clear_dma_irqstat(sport->dma_rx_chan);
+ }
+ SSYNC();
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_send_and_recv);
+
+MODULE_AUTHOR("Roy Huang");
+MODULE_DESCRIPTION("SPORT driver for ADI Blackfin");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/blackfin/bf5xx-sport.h b/sound/soc/blackfin/bf5xx-sport.h
new file mode 100644
index 0000000..9fc2192
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-sport.h
@@ -0,0 +1,174 @@
+/*
+ * File: bf5xx_sport.h
+ * Based on:
+ * Author: Roy Huang <roy.huang@analog.com>
+ *
+ * Created:
+ * Description:
+ *
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+#ifndef __BF5XX_SPORT_H__
+#define __BF5XX_SPORT_H__
+
+#include <linux/types.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <asm/dma.h>
+#include <asm/bfin_sport.h>
+
+#define DESC_ELEMENT_COUNT 9
+
+struct sport_device {
+ int num;
+ int dma_rx_chan;
+ int dma_tx_chan;
+ int err_irq;
+ const unsigned short *pin_req;
+ struct sport_register *regs;
+
+ unsigned char *rx_buf;
+ unsigned char *tx_buf;
+ unsigned int rx_fragsize;
+ unsigned int tx_fragsize;
+ unsigned int rx_frags;
+ unsigned int tx_frags;
+ unsigned int wdsize;
+
+ /* for dummy dma transfer */
+ void *dummy_buf;
+ unsigned int dummy_count;
+
+ /* DMA descriptor ring head of current audio stream*/
+ struct dmasg *dma_rx_desc;
+ struct dmasg *dma_tx_desc;
+ unsigned int rx_desc_bytes;
+ unsigned int tx_desc_bytes;
+
+ unsigned int rx_run:1; /* rx is running */
+ unsigned int tx_run:1; /* tx is running */
+
+ struct dmasg *dummy_rx_desc;
+ struct dmasg *dummy_tx_desc;
+
+ struct dmasg *curr_rx_desc;
+ struct dmasg *curr_tx_desc;
+
+ int rx_curr_frag;
+ int tx_curr_frag;
+
+ unsigned int rcr1;
+ unsigned int rcr2;
+ int rx_tdm_count;
+
+ unsigned int tcr1;
+ unsigned int tcr2;
+ int tx_tdm_count;
+
+ void (*rx_callback)(void *data);
+ void *rx_data;
+ void (*tx_callback)(void *data);
+ void *tx_data;
+ void (*err_callback)(void *data);
+ void *err_data;
+ unsigned char *tx_dma_buf;
+ unsigned char *rx_dma_buf;
+#ifdef CONFIG_SND_BF5XX_MMAP_SUPPORT
+ dma_addr_t tx_dma_phy;
+ dma_addr_t rx_dma_phy;
+ int tx_pos;/*pcm sample count*/
+ int rx_pos;
+ unsigned int tx_buffer_size;
+ unsigned int rx_buffer_size;
+ int tx_delay_pos;
+ int once;
+#endif
+ void *private_data;
+};
+
+struct sport_param {
+ int num;
+ int dma_rx_chan;
+ int dma_tx_chan;
+ int err_irq;
+ const unsigned short *pin_req;
+ struct sport_register *regs;
+ unsigned int wdsize;
+ unsigned int dummy_count;
+ void *private_data;
+};
+
+struct sport_device *sport_init(struct platform_device *pdev,
+ unsigned int wdsize, unsigned int dummy_count, size_t priv_size);
+
+void sport_done(struct sport_device *sport);
+
+/* first use these ...*/
+
+/* note: multichannel is in units of 8 channels, tdm_count is number of channels
+ * NOT / 8 ! all channels are enabled by default */
+int sport_set_multichannel(struct sport_device *sport, int tdm_count,
+ u32 tx_mask, u32 rx_mask, int packed);
+
+int sport_config_rx(struct sport_device *sport,
+ unsigned int rcr1, unsigned int rcr2,
+ unsigned int clkdiv, unsigned int fsdiv);
+
+int sport_config_tx(struct sport_device *sport,
+ unsigned int tcr1, unsigned int tcr2,
+ unsigned int clkdiv, unsigned int fsdiv);
+
+/* ... then these: */
+
+/* buffer size (in bytes) == fragcount * fragsize_bytes */
+
+/* this is not a very general api, it sets the dma to 2d autobuffer mode */
+
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize_bytes);
+
+int sport_config_tx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize_bytes);
+
+int sport_tx_start(struct sport_device *sport);
+int sport_tx_stop(struct sport_device *sport);
+int sport_rx_start(struct sport_device *sport);
+int sport_rx_stop(struct sport_device *sport);
+
+/* for use in interrupt handler */
+unsigned long sport_curr_offset_rx(struct sport_device *sport);
+unsigned long sport_curr_offset_tx(struct sport_device *sport);
+
+void sport_incfrag(struct sport_device *sport, int *frag, int tx);
+void sport_decfrag(struct sport_device *sport, int *frag, int tx);
+
+int sport_set_rx_callback(struct sport_device *sport,
+ void (*rx_callback)(void *), void *rx_data);
+int sport_set_tx_callback(struct sport_device *sport,
+ void (*tx_callback)(void *), void *tx_data);
+int sport_set_err_callback(struct sport_device *sport,
+ void (*err_callback)(void *), void *err_data);
+
+int sport_send_and_recv(struct sport_device *sport, u8 *out_data, \
+ u8 *in_data, int len);
+#endif /* BF53X_SPORT_H */
diff --git a/sound/soc/blackfin/bf5xx-ssm2602.c b/sound/soc/blackfin/bf5xx-ssm2602.c
new file mode 100644
index 0000000..9c19ccc
--- /dev/null
+++ b/sound/soc/blackfin/bf5xx-ssm2602.c
@@ -0,0 +1,126 @@
+/*
+ * File: sound/soc/blackfin/bf5xx-ssm2602.c
+ * Author: Cliff Cai <Cliff.Cai@analog.com>
+ *
+ * Created: Tue June 06 2008
+ * Description: board driver for SSM2602 sound chip
+ *
+ * Modified:
+ * Copyright 2008 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include <asm/dma.h>
+#include <asm/portmux.h>
+#include <linux/gpio.h>
+#include "../codecs/ssm2602.h"
+#include "bf5xx-sport.h"
+
+static struct snd_soc_card bf5xx_ssm2602;
+
+static int bf5xx_ssm2602_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ /*
+ * If you are using a crystal source which frequency is not 12MHz
+ * then modify the below case statement with frequency of the crystal.
+ *
+ * If you are using the SPORT to generate clocking then this is
+ * where to do it.
+ */
+ return snd_soc_dai_set_sysclk(rtd->codec_dai, SSM2602_SYSCLK, 12000000,
+ SND_SOC_CLOCK_IN);
+}
+
+/* CODEC is master for BCLK and LRC in this configuration. */
+#define BF5XX_SSM2602_DAIFMT (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | \
+ SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
+ {
+ .name = "ssm2602",
+ .stream_name = "SSM2602",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "ssm2602-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ssm2602.0-001b",
+ .init = bf5xx_ssm2602_dai_init,
+ .dai_fmt = BF5XX_SSM2602_DAIFMT,
+ },
+ {
+ .name = "ssm2602",
+ .stream_name = "SSM2602",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name = "ssm2602-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ssm2602.0-001b",
+ .init = bf5xx_ssm2602_dai_init,
+ .dai_fmt = BF5XX_SSM2602_DAIFMT,
+ },
+};
+
+static struct snd_soc_card bf5xx_ssm2602 = {
+ .name = "bfin-ssm2602",
+ .owner = THIS_MODULE,
+ .dai_link = &bf5xx_ssm2602_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+ .num_links = 1,
+};
+
+static struct platform_device *bf5xx_ssm2602_snd_device;
+
+static int __init bf5xx_ssm2602_init(void)
+{
+ int ret;
+
+ pr_debug("%s enter\n", __func__);
+ bf5xx_ssm2602_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!bf5xx_ssm2602_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(bf5xx_ssm2602_snd_device, &bf5xx_ssm2602);
+ ret = platform_device_add(bf5xx_ssm2602_snd_device);
+
+ if (ret)
+ platform_device_put(bf5xx_ssm2602_snd_device);
+
+ return ret;
+}
+
+static void __exit bf5xx_ssm2602_exit(void)
+{
+ pr_debug("%s enter\n", __func__);
+ platform_device_unregister(bf5xx_ssm2602_snd_device);
+}
+
+module_init(bf5xx_ssm2602_init);
+module_exit(bf5xx_ssm2602_exit);
+
+/* Module information */
+MODULE_AUTHOR("Cliff Cai");
+MODULE_DESCRIPTION("ALSA SoC SSM2602 BF527-EZKIT");
+MODULE_LICENSE("GPL");
+
diff --git a/sound/soc/blackfin/bf6xx-i2s.c b/sound/soc/blackfin/bf6xx-i2s.c
new file mode 100644
index 0000000..bd3b4d4
--- /dev/null
+++ b/sound/soc/blackfin/bf6xx-i2s.c
@@ -0,0 +1,239 @@
+/*
+ * bf6xx-i2s.c - Analog Devices BF6XX i2s interface driver
+ *
+ * Copyright (c) 2012 Analog Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+
+#include "bf6xx-sport.h"
+
+struct sport_params param;
+
+static int bfin_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
+ unsigned int fmt)
+{
+ struct sport_device *sport = snd_soc_dai_get_drvdata(cpu_dai);
+ struct device *dev = &sport->pdev->dev;
+ int ret = 0;
+
+ param.spctl &= ~(SPORT_CTL_OPMODE | SPORT_CTL_CKRE | SPORT_CTL_FSR
+ | SPORT_CTL_LFS | SPORT_CTL_LAFS);
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ param.spctl |= SPORT_CTL_OPMODE | SPORT_CTL_CKRE
+ | SPORT_CTL_LFS;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ param.spctl |= SPORT_CTL_FSR;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ param.spctl |= SPORT_CTL_OPMODE | SPORT_CTL_LFS
+ | SPORT_CTL_LAFS;
+ break;
+ default:
+ dev_err(dev, "%s: Unknown DAI format type\n", __func__);
+ ret = -EINVAL;
+ break;
+ }
+
+ param.spctl &= ~(SPORT_CTL_ICLK | SPORT_CTL_IFS);
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBM_CFS:
+ case SND_SOC_DAIFMT_CBS_CFM:
+ ret = -EINVAL;
+ break;
+ default:
+ dev_err(dev, "%s: Unknown DAI master type\n", __func__);
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static int bfin_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
+ struct device *dev = &sport->pdev->dev;
+ int ret = 0;
+
+ param.spctl &= ~SPORT_CTL_SLEN;
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S8:
+ param.spctl |= 0x70;
+ sport->wdsize = 1;
+ break;
+ case SNDRV_PCM_FORMAT_S16_LE:
+ param.spctl |= 0xf0;
+ sport->wdsize = 2;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ param.spctl |= 0x170;
+ sport->wdsize = 3;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ param.spctl |= 0x1f0;
+ sport->wdsize = 4;
+ break;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ ret = sport_set_tx_params(sport, ¶m);
+ if (ret) {
+ dev_err(dev, "SPORT tx is busy!\n");
+ return ret;
+ }
+ } else {
+ ret = sport_set_rx_params(sport, ¶m);
+ if (ret) {
+ dev_err(dev, "SPORT rx is busy!\n");
+ return ret;
+ }
+ }
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int bfin_i2s_suspend(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
+
+ if (dai->capture_active)
+ sport_rx_stop(sport);
+ if (dai->playback_active)
+ sport_tx_stop(sport);
+ return 0;
+}
+
+static int bfin_i2s_resume(struct snd_soc_dai *dai)
+{
+ struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
+ struct device *dev = &sport->pdev->dev;
+ int ret;
+
+ ret = sport_set_tx_params(sport, ¶m);
+ if (ret) {
+ dev_err(dev, "SPORT tx is busy!\n");
+ return ret;
+ }
+ ret = sport_set_rx_params(sport, ¶m);
+ if (ret) {
+ dev_err(dev, "SPORT rx is busy!\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+#else
+#define bfin_i2s_suspend NULL
+#define bfin_i2s_resume NULL
+#endif
+
+#define BFIN_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
+ SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
+ SNDRV_PCM_RATE_96000)
+
+#define BFIN_I2S_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_ops bfin_i2s_dai_ops = {
+ .hw_params = bfin_i2s_hw_params,
+ .set_fmt = bfin_i2s_set_dai_fmt,
+};
+
+static struct snd_soc_dai_driver bfin_i2s_dai = {
+ .suspend = bfin_i2s_suspend,
+ .resume = bfin_i2s_resume,
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = BFIN_I2S_RATES,
+ .formats = BFIN_I2S_FORMATS,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = BFIN_I2S_RATES,
+ .formats = BFIN_I2S_FORMATS,
+ },
+ .ops = &bfin_i2s_dai_ops,
+};
+
+static const struct snd_soc_component_driver bfin_i2s_component = {
+ .name = "bfin-i2s",
+};
+
+static int bfin_i2s_probe(struct platform_device *pdev)
+{
+ struct sport_device *sport;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ sport = sport_create(pdev);
+ if (!sport)
+ return -ENODEV;
+
+ /* register with the ASoC layers */
+ ret = snd_soc_register_component(dev, &bfin_i2s_component,
+ &bfin_i2s_dai, 1);
+ if (ret) {
+ dev_err(dev, "Failed to register DAI: %d\n", ret);
+ sport_delete(sport);
+ return ret;
+ }
+ platform_set_drvdata(pdev, sport);
+
+ return 0;
+}
+
+static int bfin_i2s_remove(struct platform_device *pdev)
+{
+ struct sport_device *sport = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_component(&pdev->dev);
+ sport_delete(sport);
+
+ return 0;
+}
+
+static struct platform_driver bfin_i2s_driver = {
+ .probe = bfin_i2s_probe,
+ .remove = bfin_i2s_remove,
+ .driver = {
+ .name = "bfin-i2s",
+ },
+};
+
+module_platform_driver(bfin_i2s_driver);
+
+MODULE_DESCRIPTION("Analog Devices BF6XX i2s interface driver");
+MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/blackfin/bf6xx-sport.c b/sound/soc/blackfin/bf6xx-sport.c
new file mode 100644
index 0000000..dfb7443
--- /dev/null
+++ b/sound/soc/blackfin/bf6xx-sport.c
@@ -0,0 +1,429 @@
+/*
+ * bf6xx_sport.c Analog Devices BF6XX SPORT driver
+ *
+ * Copyright (c) 2012 Analog Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <asm/blackfin.h>
+#include <asm/dma.h>
+#include <asm/portmux.h>
+
+#include "bf6xx-sport.h"
+
+int sport_set_tx_params(struct sport_device *sport,
+ struct sport_params *params)
+{
+ if (sport->tx_regs->spctl & SPORT_CTL_SPENPRI)
+ return -EBUSY;
+ sport->tx_regs->spctl = params->spctl | SPORT_CTL_SPTRAN;
+ sport->tx_regs->div = params->div;
+ SSYNC();
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_tx_params);
+
+int sport_set_rx_params(struct sport_device *sport,
+ struct sport_params *params)
+{
+ if (sport->rx_regs->spctl & SPORT_CTL_SPENPRI)
+ return -EBUSY;
+ sport->rx_regs->spctl = params->spctl & ~SPORT_CTL_SPTRAN;
+ sport->rx_regs->div = params->div;
+ SSYNC();
+ return 0;
+}
+EXPORT_SYMBOL(sport_set_rx_params);
+
+static int compute_wdsize(size_t wdsize)
+{
+ switch (wdsize) {
+ case 1:
+ return WDSIZE_8 | PSIZE_8;
+ case 2:
+ return WDSIZE_16 | PSIZE_16;
+ default:
+ return WDSIZE_32 | PSIZE_32;
+ }
+}
+
+void sport_tx_start(struct sport_device *sport)
+{
+ set_dma_next_desc_addr(sport->tx_dma_chan, sport->tx_desc);
+ set_dma_config(sport->tx_dma_chan, DMAFLOW_LIST | DI_EN
+ | compute_wdsize(sport->wdsize) | NDSIZE_6);
+ enable_dma(sport->tx_dma_chan);
+ sport->tx_regs->spctl |= SPORT_CTL_SPENPRI;
+ SSYNC();
+}
+EXPORT_SYMBOL(sport_tx_start);
+
+void sport_rx_start(struct sport_device *sport)
+{
+ set_dma_next_desc_addr(sport->rx_dma_chan, sport->rx_desc);
+ set_dma_config(sport->rx_dma_chan, DMAFLOW_LIST | DI_EN | WNR
+ | compute_wdsize(sport->wdsize) | NDSIZE_6);
+ enable_dma(sport->rx_dma_chan);
+ sport->rx_regs->spctl |= SPORT_CTL_SPENPRI;
+ SSYNC();
+}
+EXPORT_SYMBOL(sport_rx_start);
+
+void sport_tx_stop(struct sport_device *sport)
+{
+ sport->tx_regs->spctl &= ~SPORT_CTL_SPENPRI;
+ SSYNC();
+ disable_dma(sport->tx_dma_chan);
+}
+EXPORT_SYMBOL(sport_tx_stop);
+
+void sport_rx_stop(struct sport_device *sport)
+{
+ sport->rx_regs->spctl &= ~SPORT_CTL_SPENPRI;
+ SSYNC();
+ disable_dma(sport->rx_dma_chan);
+}
+EXPORT_SYMBOL(sport_rx_stop);
+
+void sport_set_tx_callback(struct sport_device *sport,
+ void (*tx_callback)(void *), void *tx_data)
+{
+ sport->tx_callback = tx_callback;
+ sport->tx_data = tx_data;
+}
+EXPORT_SYMBOL(sport_set_tx_callback);
+
+void sport_set_rx_callback(struct sport_device *sport,
+ void (*rx_callback)(void *), void *rx_data)
+{
+ sport->rx_callback = rx_callback;
+ sport->rx_data = rx_data;
+}
+EXPORT_SYMBOL(sport_set_rx_callback);
+
+static void setup_desc(struct dmasg *desc, void *buf, int fragcount,
+ size_t fragsize, unsigned int cfg,
+ unsigned int count, size_t wdsize)
+{
+
+ int i;
+
+ for (i = 0; i < fragcount; ++i) {
+ desc[i].next_desc_addr = &(desc[i + 1]);
+ desc[i].start_addr = (unsigned long)buf + i*fragsize;
+ desc[i].cfg = cfg;
+ desc[i].x_count = count;
+ desc[i].x_modify = wdsize;
+ desc[i].y_count = 0;
+ desc[i].y_modify = 0;
+ }
+
+ /* make circular */
+ desc[fragcount-1].next_desc_addr = desc;
+}
+
+int sport_config_tx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize)
+{
+ unsigned int count;
+ unsigned int cfg;
+ dma_addr_t addr;
+
+ count = fragsize/sport->wdsize;
+
+ if (sport->tx_desc)
+ dma_free_coherent(NULL, sport->tx_desc_size,
+ sport->tx_desc, 0);
+
+ sport->tx_desc = dma_alloc_coherent(NULL,
+ fragcount * sizeof(struct dmasg), &addr, 0);
+ sport->tx_desc_size = fragcount * sizeof(struct dmasg);
+ if (!sport->tx_desc)
+ return -ENOMEM;
+
+ sport->tx_buf = buf;
+ sport->tx_fragsize = fragsize;
+ sport->tx_frags = fragcount;
+ cfg = DMAFLOW_LIST | DI_EN | compute_wdsize(sport->wdsize) | NDSIZE_6;
+
+ setup_desc(sport->tx_desc, buf, fragcount, fragsize,
+ cfg|DMAEN, count, sport->wdsize);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_tx_dma);
+
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize)
+{
+ unsigned int count;
+ unsigned int cfg;
+ dma_addr_t addr;
+
+ count = fragsize/sport->wdsize;
+
+ if (sport->rx_desc)
+ dma_free_coherent(NULL, sport->rx_desc_size,
+ sport->rx_desc, 0);
+
+ sport->rx_desc = dma_alloc_coherent(NULL,
+ fragcount * sizeof(struct dmasg), &addr, 0);
+ sport->rx_desc_size = fragcount * sizeof(struct dmasg);
+ if (!sport->rx_desc)
+ return -ENOMEM;
+
+ sport->rx_buf = buf;
+ sport->rx_fragsize = fragsize;
+ sport->rx_frags = fragcount;
+ cfg = DMAFLOW_LIST | DI_EN | compute_wdsize(sport->wdsize)
+ | WNR | NDSIZE_6;
+
+ setup_desc(sport->rx_desc, buf, fragcount, fragsize,
+ cfg|DMAEN, count, sport->wdsize);
+
+ return 0;
+}
+EXPORT_SYMBOL(sport_config_rx_dma);
+
+unsigned long sport_curr_offset_tx(struct sport_device *sport)
+{
+ unsigned long curr = get_dma_curr_addr(sport->tx_dma_chan);
+
+ return (unsigned char *)curr - sport->tx_buf;
+}
+EXPORT_SYMBOL(sport_curr_offset_tx);
+
+unsigned long sport_curr_offset_rx(struct sport_device *sport)
+{
+ unsigned long curr = get_dma_curr_addr(sport->rx_dma_chan);
+
+ return (unsigned char *)curr - sport->rx_buf;
+}
+EXPORT_SYMBOL(sport_curr_offset_rx);
+
+static irqreturn_t sport_tx_irq(int irq, void *dev_id)
+{
+ struct sport_device *sport = dev_id;
+ static unsigned long status;
+
+ status = get_dma_curr_irqstat(sport->tx_dma_chan);
+ if (status & (DMA_DONE|DMA_ERR)) {
+ clear_dma_irqstat(sport->tx_dma_chan);
+ SSYNC();
+ }
+ if (sport->tx_callback)
+ sport->tx_callback(sport->tx_data);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t sport_rx_irq(int irq, void *dev_id)
+{
+ struct sport_device *sport = dev_id;
+ unsigned long status;
+
+ status = get_dma_curr_irqstat(sport->rx_dma_chan);
+ if (status & (DMA_DONE|DMA_ERR)) {
+ clear_dma_irqstat(sport->rx_dma_chan);
+ SSYNC();
+ }
+ if (sport->rx_callback)
+ sport->rx_callback(sport->rx_data);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t sport_err_irq(int irq, void *dev_id)
+{
+ struct sport_device *sport = dev_id;
+ struct device *dev = &sport->pdev->dev;
+
+ if (sport->tx_regs->spctl & SPORT_CTL_DERRPRI)
+ dev_err(dev, "sport error: TUVF\n");
+ if (sport->rx_regs->spctl & SPORT_CTL_DERRPRI)
+ dev_err(dev, "sport error: ROVF\n");
+
+ return IRQ_HANDLED;
+}
+
+static int sport_get_resource(struct sport_device *sport)
+{
+ struct platform_device *pdev = sport->pdev;
+ struct device *dev = &pdev->dev;
+ struct bfin_snd_platform_data *pdata = dev->platform_data;
+ struct resource *res;
+
+ if (!pdata) {
+ dev_err(dev, "No platform data\n");
+ return -ENODEV;
+ }
+ sport->pin_req = pdata->pin_req;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(dev, "No tx MEM resource\n");
+ return -ENODEV;
+ }
+ sport->tx_regs = (struct sport_register *)res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res) {
+ dev_err(dev, "No rx MEM resource\n");
+ return -ENODEV;
+ }
+ sport->rx_regs = (struct sport_register *)res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!res) {
+ dev_err(dev, "No tx DMA resource\n");
+ return -ENODEV;
+ }
+ sport->tx_dma_chan = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+ if (!res) {
+ dev_err(dev, "No rx DMA resource\n");
+ return -ENODEV;
+ }
+ sport->rx_dma_chan = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!res) {
+ dev_err(dev, "No tx error irq resource\n");
+ return -ENODEV;
+ }
+ sport->tx_err_irq = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
+ if (!res) {
+ dev_err(dev, "No rx error irq resource\n");
+ return -ENODEV;
+ }
+ sport->rx_err_irq = res->start;
+
+ return 0;
+}
+
+static int sport_request_resource(struct sport_device *sport)
+{
+ struct device *dev = &sport->pdev->dev;
+ int ret;
+
+ ret = peripheral_request_list(sport->pin_req, "soc-audio");
+ if (ret) {
+ dev_err(dev, "Unable to request sport pin\n");
+ return ret;
+ }
+
+ ret = request_dma(sport->tx_dma_chan, "SPORT TX Data");
+ if (ret) {
+ dev_err(dev, "Unable to allocate DMA channel for sport tx\n");
+ goto err_tx_dma;
+ }
+ set_dma_callback(sport->tx_dma_chan, sport_tx_irq, sport);
+
+ ret = request_dma(sport->rx_dma_chan, "SPORT RX Data");
+ if (ret) {
+ dev_err(dev, "Unable to allocate DMA channel for sport rx\n");
+ goto err_rx_dma;
+ }
+ set_dma_callback(sport->rx_dma_chan, sport_rx_irq, sport);
+
+ ret = request_irq(sport->tx_err_irq, sport_err_irq,
+ 0, "SPORT TX ERROR", sport);
+ if (ret) {
+ dev_err(dev, "Unable to allocate tx error IRQ for sport\n");
+ goto err_tx_irq;
+ }
+
+ ret = request_irq(sport->rx_err_irq, sport_err_irq,
+ 0, "SPORT RX ERROR", sport);
+ if (ret) {
+ dev_err(dev, "Unable to allocate rx error IRQ for sport\n");
+ goto err_rx_irq;
+ }
+
+ return 0;
+err_rx_irq:
+ free_irq(sport->tx_err_irq, sport);
+err_tx_irq:
+ free_dma(sport->rx_dma_chan);
+err_rx_dma:
+ free_dma(sport->tx_dma_chan);
+err_tx_dma:
+ peripheral_free_list(sport->pin_req);
+ return ret;
+}
+
+static void sport_free_resource(struct sport_device *sport)
+{
+ free_irq(sport->rx_err_irq, sport);
+ free_irq(sport->tx_err_irq, sport);
+ free_dma(sport->rx_dma_chan);
+ free_dma(sport->tx_dma_chan);
+ peripheral_free_list(sport->pin_req);
+}
+
+struct sport_device *sport_create(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct sport_device *sport;
+ int ret;
+
+ sport = kzalloc(sizeof(*sport), GFP_KERNEL);
+ if (!sport) {
+ dev_err(dev, "Unable to allocate memory for sport device\n");
+ return NULL;
+ }
+ sport->pdev = pdev;
+
+ ret = sport_get_resource(sport);
+ if (ret) {
+ kfree(sport);
+ return NULL;
+ }
+
+ ret = sport_request_resource(sport);
+ if (ret) {
+ kfree(sport);
+ return NULL;
+ }
+
+ dev_dbg(dev, "SPORT create success\n");
+ return sport;
+}
+EXPORT_SYMBOL(sport_create);
+
+void sport_delete(struct sport_device *sport)
+{
+ if (sport->tx_desc)
+ dma_free_coherent(NULL, sport->tx_desc_size,
+ sport->tx_desc, 0);
+ if (sport->rx_desc)
+ dma_free_coherent(NULL, sport->rx_desc_size,
+ sport->rx_desc, 0);
+ sport_free_resource(sport);
+ kfree(sport);
+}
+EXPORT_SYMBOL(sport_delete);
+
+MODULE_DESCRIPTION("Analog Devices BF6XX SPORT driver");
+MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/blackfin/bf6xx-sport.h b/sound/soc/blackfin/bf6xx-sport.h
new file mode 100644
index 0000000..307d193
--- /dev/null
+++ b/sound/soc/blackfin/bf6xx-sport.h
@@ -0,0 +1,82 @@
+/*
+ * bf6xx_sport - Analog Devices BF6XX SPORT driver
+ *
+ * Copyright (c) 2012 Analog Devices Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _BF6XX_SPORT_H_
+#define _BF6XX_SPORT_H_
+
+#include <linux/platform_device.h>
+#include <asm/bfin_sport3.h>
+
+struct sport_device {
+ struct platform_device *pdev;
+ const unsigned short *pin_req;
+ struct sport_register *tx_regs;
+ struct sport_register *rx_regs;
+ int tx_dma_chan;
+ int rx_dma_chan;
+ int tx_err_irq;
+ int rx_err_irq;
+
+ void (*tx_callback)(void *data);
+ void *tx_data;
+ void (*rx_callback)(void *data);
+ void *rx_data;
+
+ struct dmasg *tx_desc;
+ struct dmasg *rx_desc;
+ unsigned int tx_desc_size;
+ unsigned int rx_desc_size;
+ unsigned char *tx_buf;
+ unsigned char *rx_buf;
+ unsigned int tx_fragsize;
+ unsigned int rx_fragsize;
+ unsigned int tx_frags;
+ unsigned int rx_frags;
+ unsigned int wdsize;
+};
+
+struct sport_params {
+ u32 spctl;
+ u32 div;
+};
+
+struct sport_device *sport_create(struct platform_device *pdev);
+void sport_delete(struct sport_device *sport);
+int sport_set_tx_params(struct sport_device *sport,
+ struct sport_params *params);
+int sport_set_rx_params(struct sport_device *sport,
+ struct sport_params *params);
+void sport_tx_start(struct sport_device *sport);
+void sport_rx_start(struct sport_device *sport);
+void sport_tx_stop(struct sport_device *sport);
+void sport_rx_stop(struct sport_device *sport);
+void sport_set_tx_callback(struct sport_device *sport,
+ void (*tx_callback)(void *), void *tx_data);
+void sport_set_rx_callback(struct sport_device *sport,
+ void (*rx_callback)(void *), void *rx_data);
+int sport_config_tx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize);
+int sport_config_rx_dma(struct sport_device *sport, void *buf,
+ int fragcount, size_t fragsize);
+unsigned long sport_curr_offset_tx(struct sport_device *sport);
+unsigned long sport_curr_offset_rx(struct sport_device *sport);
+
+
+
+#endif
diff --git a/sound/soc/blackfin/bfin-eval-adau1373.c b/sound/soc/blackfin/bfin-eval-adau1373.c
new file mode 100644
index 0000000..72ac789
--- /dev/null
+++ b/sound/soc/blackfin/bfin-eval-adau1373.c
@@ -0,0 +1,173 @@
+/*
+ * Machine driver for EVAL-ADAU1373 on Analog Devices bfin
+ * evaluation boards.
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include "../codecs/adau1373.h"
+
+static const struct snd_soc_dapm_widget bfin_eval_adau1373_dapm_widgets[] = {
+ SND_SOC_DAPM_LINE("Line In1", NULL),
+ SND_SOC_DAPM_LINE("Line In2", NULL),
+ SND_SOC_DAPM_LINE("Line In3", NULL),
+ SND_SOC_DAPM_LINE("Line In4", NULL),
+
+ SND_SOC_DAPM_LINE("Line Out1", NULL),
+ SND_SOC_DAPM_LINE("Line Out2", NULL),
+ SND_SOC_DAPM_LINE("Stereo Out", NULL),
+ SND_SOC_DAPM_HP("Headphone", NULL),
+ SND_SOC_DAPM_HP("Earpiece", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+static const struct snd_soc_dapm_route bfin_eval_adau1373_dapm_routes[] = {
+ { "AIN1L", NULL, "Line In1" },
+ { "AIN1R", NULL, "Line In1" },
+ { "AIN2L", NULL, "Line In2" },
+ { "AIN2R", NULL, "Line In2" },
+ { "AIN3L", NULL, "Line In3" },
+ { "AIN3R", NULL, "Line In3" },
+ { "AIN4L", NULL, "Line In4" },
+ { "AIN4R", NULL, "Line In4" },
+
+ /* MICBIAS can be connected via a jumper to the line-in jack, since w
+ don't know which one is going to be used, just power both. */
+ { "Line In1", NULL, "MICBIAS1" },
+ { "Line In2", NULL, "MICBIAS1" },
+ { "Line In3", NULL, "MICBIAS1" },
+ { "Line In4", NULL, "MICBIAS1" },
+ { "Line In1", NULL, "MICBIAS2" },
+ { "Line In2", NULL, "MICBIAS2" },
+ { "Line In3", NULL, "MICBIAS2" },
+ { "Line In4", NULL, "MICBIAS2" },
+
+ { "Line Out1", NULL, "LOUT1L" },
+ { "Line Out1", NULL, "LOUT1R" },
+ { "Line Out2", NULL, "LOUT2L" },
+ { "Line Out2", NULL, "LOUT2R" },
+ { "Headphone", NULL, "HPL" },
+ { "Headphone", NULL, "HPR" },
+ { "Earpiece", NULL, "EP" },
+ { "Speaker", NULL, "SPKL" },
+ { "Stereo Out", NULL, "SPKR" },
+};
+
+static int bfin_eval_adau1373_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+ int pll_rate;
+
+ switch (params_rate(params)) {
+ case 48000:
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ pll_rate = 48000 * 1024;
+ break;
+ case 44100:
+ case 7350:
+ case 11025:
+ case 14700:
+ case 22050:
+ case 29400:
+ pll_rate = 44100 * 1024;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
+ ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
+ SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+
+static int bfin_eval_adau1373_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ unsigned int pll_rate = 48000 * 1024;
+ int ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, ADAU1373_PLL1,
+ ADAU1373_PLL_SRC_MCLK1, 12288000, pll_rate);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1373_CLK_SRC_PLL1, pll_rate,
+ SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+static struct snd_soc_ops bfin_eval_adau1373_ops = {
+ .hw_params = bfin_eval_adau1373_hw_params,
+};
+
+static struct snd_soc_dai_link bfin_eval_adau1373_dai = {
+ .name = "adau1373",
+ .stream_name = "adau1373",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "adau1373-aif1",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1373.0-001a",
+ .ops = &bfin_eval_adau1373_ops,
+ .init = bfin_eval_adau1373_codec_init,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+};
+
+static struct snd_soc_card bfin_eval_adau1373 = {
+ .name = "bfin-eval-adau1373",
+ .owner = THIS_MODULE,
+ .dai_link = &bfin_eval_adau1373_dai,
+ .num_links = 1,
+
+ .dapm_widgets = bfin_eval_adau1373_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1373_dapm_widgets),
+ .dapm_routes = bfin_eval_adau1373_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1373_dapm_routes),
+};
+
+static int bfin_eval_adau1373_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &bfin_eval_adau1373;
+
+ card->dev = &pdev->dev;
+
+ return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1373);
+}
+
+static struct platform_driver bfin_eval_adau1373_driver = {
+ .driver = {
+ .name = "bfin-eval-adau1373",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bfin_eval_adau1373_probe,
+};
+
+module_platform_driver(bfin_eval_adau1373_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC bfin adau1373 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bfin-eval-adau1373");
diff --git a/sound/soc/blackfin/bfin-eval-adau1701.c b/sound/soc/blackfin/bfin-eval-adau1701.c
new file mode 100644
index 0000000..5c67f72
--- /dev/null
+++ b/sound/soc/blackfin/bfin-eval-adau1701.c
@@ -0,0 +1,113 @@
+/*
+ * Machine driver for EVAL-ADAU1701MINIZ on Analog Devices bfin
+ * evaluation boards.
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include "../codecs/adau1701.h"
+
+static const struct snd_soc_dapm_widget bfin_eval_adau1701_dapm_widgets[] = {
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_LINE("Line Out", NULL),
+ SND_SOC_DAPM_LINE("Line In", NULL),
+};
+
+static const struct snd_soc_dapm_route bfin_eval_adau1701_dapm_routes[] = {
+ { "Speaker", NULL, "OUT0" },
+ { "Speaker", NULL, "OUT1" },
+ { "Line Out", NULL, "OUT2" },
+ { "Line Out", NULL, "OUT3" },
+
+ { "IN0", NULL, "Line In" },
+ { "IN1", NULL, "Line In" },
+};
+
+static int bfin_eval_adau1701_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAU1701_CLK_SRC_OSC, 12288000,
+ SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+
+static struct snd_soc_ops bfin_eval_adau1701_ops = {
+ .hw_params = bfin_eval_adau1701_hw_params,
+};
+
+#define BFIN_EVAL_ADAU1701_DAI_FMT (SND_SOC_DAIFMT_I2S | \
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM)
+
+static struct snd_soc_dai_link bfin_eval_adau1701_dai[] = {
+ {
+ .name = "adau1701",
+ .stream_name = "adau1701",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "adau1701",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1701.0-0034",
+ .ops = &bfin_eval_adau1701_ops,
+ .dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT,
+ },
+ {
+ .name = "adau1701",
+ .stream_name = "adau1701",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name = "adau1701",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1701.0-0034",
+ .ops = &bfin_eval_adau1701_ops,
+ .dai_fmt = BFIN_EVAL_ADAU1701_DAI_FMT,
+ },
+};
+
+static struct snd_soc_card bfin_eval_adau1701 = {
+ .name = "bfin-eval-adau1701",
+ .owner = THIS_MODULE,
+ .dai_link = &bfin_eval_adau1701_dai[CONFIG_SND_BF5XX_SPORT_NUM],
+ .num_links = 1,
+
+ .dapm_widgets = bfin_eval_adau1701_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1701_dapm_widgets),
+ .dapm_routes = bfin_eval_adau1701_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1701_dapm_routes),
+};
+
+static int bfin_eval_adau1701_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &bfin_eval_adau1701;
+
+ card->dev = &pdev->dev;
+
+ return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1701);
+}
+
+static struct platform_driver bfin_eval_adau1701_driver = {
+ .driver = {
+ .name = "bfin-eval-adau1701",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bfin_eval_adau1701_probe,
+};
+
+module_platform_driver(bfin_eval_adau1701_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC bfin ADAU1701 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bfin-eval-adau1701");
diff --git a/sound/soc/blackfin/bfin-eval-adau1x61.c b/sound/soc/blackfin/bfin-eval-adau1x61.c
new file mode 100644
index 0000000..fddfe00
--- /dev/null
+++ b/sound/soc/blackfin/bfin-eval-adau1x61.c
@@ -0,0 +1,142 @@
+/*
+ * Machine driver for EVAL-ADAU1x61MINIZ on Analog Devices bfin
+ * evaluation boards.
+ *
+ * Copyright 2011-2014 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include "../codecs/adau17x1.h"
+
+static const struct snd_soc_dapm_widget bfin_eval_adau1x61_dapm_widgets[] = {
+ SND_SOC_DAPM_LINE("In 1", NULL),
+ SND_SOC_DAPM_LINE("In 2", NULL),
+ SND_SOC_DAPM_LINE("In 3-4", NULL),
+
+ SND_SOC_DAPM_LINE("Diff Out L", NULL),
+ SND_SOC_DAPM_LINE("Diff Out R", NULL),
+ SND_SOC_DAPM_LINE("Stereo Out", NULL),
+ SND_SOC_DAPM_HP("Capless HP Out", NULL),
+};
+
+static const struct snd_soc_dapm_route bfin_eval_adau1x61_dapm_routes[] = {
+ { "LAUX", NULL, "In 3-4" },
+ { "RAUX", NULL, "In 3-4" },
+ { "LINP", NULL, "In 1" },
+ { "LINN", NULL, "In 1"},
+ { "RINP", NULL, "In 2" },
+ { "RINN", NULL, "In 2" },
+
+ { "In 1", NULL, "MICBIAS" },
+ { "In 2", NULL, "MICBIAS" },
+
+ { "Capless HP Out", NULL, "LHP" },
+ { "Capless HP Out", NULL, "RHP" },
+ { "Diff Out L", NULL, "LOUT" },
+ { "Diff Out R", NULL, "ROUT" },
+ { "Stereo Out", NULL, "LOUT" },
+ { "Stereo Out", NULL, "ROUT" },
+};
+
+static int bfin_eval_adau1x61_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int pll_rate;
+ int ret;
+
+ switch (params_rate(params)) {
+ case 48000:
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 96000:
+ pll_rate = 48000 * 1024;
+ break;
+ case 44100:
+ case 7350:
+ case 11025:
+ case 14700:
+ case 22050:
+ case 29400:
+ case 88200:
+ pll_rate = 44100 * 1024;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, ADAU17X1_PLL,
+ ADAU17X1_PLL_SRC_MCLK, 12288000, pll_rate);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAU17X1_CLK_SRC_PLL, pll_rate,
+ SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+
+static const struct snd_soc_ops bfin_eval_adau1x61_ops = {
+ .hw_params = bfin_eval_adau1x61_hw_params,
+};
+
+static struct snd_soc_dai_link bfin_eval_adau1x61_dai = {
+ .name = "adau1x61",
+ .stream_name = "adau1x61",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "adau-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1761.0-0038",
+ .ops = &bfin_eval_adau1x61_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+};
+
+static struct snd_soc_card bfin_eval_adau1x61 = {
+ .name = "bfin-eval-adau1x61",
+ .owner = THIS_MODULE,
+ .driver_name = "eval-adau1x61",
+ .dai_link = &bfin_eval_adau1x61_dai,
+ .num_links = 1,
+
+ .dapm_widgets = bfin_eval_adau1x61_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1x61_dapm_widgets),
+ .dapm_routes = bfin_eval_adau1x61_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1x61_dapm_routes),
+ .fully_routed = true,
+};
+
+static int bfin_eval_adau1x61_probe(struct platform_device *pdev)
+{
+ bfin_eval_adau1x61.dev = &pdev->dev;
+
+ return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1x61);
+}
+
+static struct platform_driver bfin_eval_adau1x61_driver = {
+ .driver = {
+ .name = "bfin-eval-adau1x61",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bfin_eval_adau1x61_probe,
+};
+module_platform_driver(bfin_eval_adau1x61_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC bfin adau1x61 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bfin-eval-adau1x61");
diff --git a/sound/soc/blackfin/bfin-eval-adau1x81.c b/sound/soc/blackfin/bfin-eval-adau1x81.c
new file mode 100644
index 0000000..3e01cbe
--- /dev/null
+++ b/sound/soc/blackfin/bfin-eval-adau1x81.c
@@ -0,0 +1,129 @@
+/*
+ * Machine driver for EVAL-ADAU1x81 on Analog Devices bfin
+ * evaluation boards.
+ *
+ * Copyright 2011-2014 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+
+#include "../codecs/adau17x1.h"
+
+static const struct snd_soc_dapm_widget bfin_eval_adau1x81_dapm_widgets[] = {
+ SND_SOC_DAPM_LINE("Stereo In", NULL),
+ SND_SOC_DAPM_LINE("Beep", NULL),
+
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_HP("Headphone", NULL),
+};
+
+static const struct snd_soc_dapm_route bfin_eval_adau1x81_dapm_routes[] = {
+ { "BEEP", NULL, "Beep" },
+ { "LMIC", NULL, "Stereo In" },
+ { "LMIC", NULL, "Stereo In" },
+
+ { "Headphone", NULL, "AOUTL" },
+ { "Headphone", NULL, "AOUTR" },
+ { "Speaker", NULL, "SP" },
+};
+
+static int bfin_eval_adau1x81_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int pll_rate;
+ int ret;
+
+ switch (params_rate(params)) {
+ case 48000:
+ case 8000:
+ case 12000:
+ case 16000:
+ case 24000:
+ case 32000:
+ case 96000:
+ pll_rate = 48000 * 1024;
+ break;
+ case 44100:
+ case 7350:
+ case 11025:
+ case 14700:
+ case 22050:
+ case 29400:
+ case 88200:
+ pll_rate = 44100 * 1024;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = snd_soc_dai_set_pll(codec_dai, ADAU17X1_PLL,
+ ADAU17X1_PLL_SRC_MCLK, 12288000, pll_rate);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAU17X1_CLK_SRC_PLL, pll_rate,
+ SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+
+static const struct snd_soc_ops bfin_eval_adau1x81_ops = {
+ .hw_params = bfin_eval_adau1x81_hw_params,
+};
+
+static struct snd_soc_dai_link bfin_eval_adau1x81_dai = {
+ .name = "adau1x81",
+ .stream_name = "adau1x81",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "adau-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "adau1781.0-0038",
+ .ops = &bfin_eval_adau1x81_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+};
+
+static struct snd_soc_card bfin_eval_adau1x81 = {
+ .name = "bfin-eval-adau1x81",
+ .driver_name = "eval-adau1x81",
+ .dai_link = &bfin_eval_adau1x81_dai,
+ .num_links = 1,
+
+ .dapm_widgets = bfin_eval_adau1x81_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adau1x81_dapm_widgets),
+ .dapm_routes = bfin_eval_adau1x81_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(bfin_eval_adau1x81_dapm_routes),
+ .fully_routed = true,
+};
+
+static int bfin_eval_adau1x81_probe(struct platform_device *pdev)
+{
+ bfin_eval_adau1x81.dev = &pdev->dev;
+
+ return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adau1x81);
+}
+
+static struct platform_driver bfin_eval_adau1x81_driver = {
+ .driver = {
+ .name = "bfin-eval-adau1x81",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bfin_eval_adau1x81_probe,
+};
+module_platform_driver(bfin_eval_adau1x81_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC bfin adau1x81 driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bfin-eval-adau1x81");
diff --git a/sound/soc/blackfin/bfin-eval-adav80x.c b/sound/soc/blackfin/bfin-eval-adav80x.c
new file mode 100644
index 0000000..1037477
--- /dev/null
+++ b/sound/soc/blackfin/bfin-eval-adav80x.c
@@ -0,0 +1,145 @@
+/*
+ * Machine driver for EVAL-ADAV801 and EVAL-ADAV803 on Analog Devices bfin
+ * evaluation boards.
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+
+#include "../codecs/adav80x.h"
+
+static const struct snd_soc_dapm_widget bfin_eval_adav80x_dapm_widgets[] = {
+ SND_SOC_DAPM_LINE("Line Out", NULL),
+ SND_SOC_DAPM_LINE("Line In", NULL),
+};
+
+static const struct snd_soc_dapm_route bfin_eval_adav80x_dapm_routes[] = {
+ { "Line Out", NULL, "VOUTL" },
+ { "Line Out", NULL, "VOUTR" },
+
+ { "VINL", NULL, "Line In" },
+ { "VINR", NULL, "Line In" },
+};
+
+static int bfin_eval_adav80x_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+ int ret;
+
+ ret = snd_soc_dai_set_pll(codec_dai, ADAV80X_PLL1, ADAV80X_PLL_SRC_XTAL,
+ 27000000, params_rate(params) * 256);
+ if (ret)
+ return ret;
+
+ ret = snd_soc_dai_set_sysclk(codec_dai, ADAV80X_CLK_PLL1,
+ params_rate(params) * 256, SND_SOC_CLOCK_IN);
+
+ return ret;
+}
+
+static int bfin_eval_adav80x_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ snd_soc_dai_set_sysclk(codec_dai, ADAV80X_CLK_SYSCLK1, 0,
+ SND_SOC_CLOCK_OUT);
+ snd_soc_dai_set_sysclk(codec_dai, ADAV80X_CLK_SYSCLK2, 0,
+ SND_SOC_CLOCK_OUT);
+ snd_soc_dai_set_sysclk(codec_dai, ADAV80X_CLK_SYSCLK3, 0,
+ SND_SOC_CLOCK_OUT);
+
+ snd_soc_dai_set_sysclk(codec_dai, ADAV80X_CLK_XTAL, 2700000, 0);
+
+ return 0;
+}
+
+static struct snd_soc_ops bfin_eval_adav80x_ops = {
+ .hw_params = bfin_eval_adav80x_hw_params,
+};
+
+static struct snd_soc_dai_link bfin_eval_adav80x_dais[] = {
+ {
+ .name = "adav80x",
+ .stream_name = "ADAV80x HiFi",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "adav80x-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .init = bfin_eval_adav80x_codec_init,
+ .ops = &bfin_eval_adav80x_ops,
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBM_CFM,
+ },
+};
+
+static struct snd_soc_card bfin_eval_adav80x = {
+ .name = "bfin-eval-adav80x",
+ .owner = THIS_MODULE,
+ .dai_link = bfin_eval_adav80x_dais,
+ .num_links = ARRAY_SIZE(bfin_eval_adav80x_dais),
+
+ .dapm_widgets = bfin_eval_adav80x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(bfin_eval_adav80x_dapm_widgets),
+ .dapm_routes = bfin_eval_adav80x_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(bfin_eval_adav80x_dapm_routes),
+};
+
+enum bfin_eval_adav80x_type {
+ BFIN_EVAL_ADAV801,
+ BFIN_EVAL_ADAV803,
+};
+
+static int bfin_eval_adav80x_probe(struct platform_device *pdev)
+{
+ struct snd_soc_card *card = &bfin_eval_adav80x;
+ const char *codec_name;
+
+ switch (platform_get_device_id(pdev)->driver_data) {
+ case BFIN_EVAL_ADAV801:
+ codec_name = "spi0.1";
+ break;
+ case BFIN_EVAL_ADAV803:
+ codec_name = "adav803.0-0034";
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ bfin_eval_adav80x_dais[0].codec_name = codec_name;
+
+ card->dev = &pdev->dev;
+
+ return devm_snd_soc_register_card(&pdev->dev, &bfin_eval_adav80x);
+}
+
+static const struct platform_device_id bfin_eval_adav80x_ids[] = {
+ { "bfin-eval-adav801", BFIN_EVAL_ADAV801 },
+ { "bfin-eval-adav803", BFIN_EVAL_ADAV803 },
+ { },
+};
+MODULE_DEVICE_TABLE(platform, bfin_eval_adav80x_ids);
+
+static struct platform_driver bfin_eval_adav80x_driver = {
+ .driver = {
+ .name = "bfin-eval-adav80x",
+ .pm = &snd_soc_pm_ops,
+ },
+ .probe = bfin_eval_adav80x_probe,
+ .id_table = bfin_eval_adav80x_ids,
+};
+
+module_platform_driver(bfin_eval_adav80x_driver);
+
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_DESCRIPTION("ALSA SoC bfin adav80x driver");
+MODULE_LICENSE("GPL");