| /* |
| * Common LCD routines for supported CPUs |
| * |
| * (C) Copyright 2001-2002 |
| * Wolfgang Denk, DENX Software Engineering -- wd@denx.de |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| /************************************************************************/ |
| /* ** HEADER FILES */ |
| /************************************************************************/ |
| |
| /* #define DEBUG */ |
| |
| #include <config.h> |
| #include <common.h> |
| #include <command.h> |
| #include <stdarg.h> |
| #include <search.h> |
| #include <env_callback.h> |
| #include <linux/types.h> |
| #include <stdio_dev.h> |
| #if defined(CONFIG_POST) |
| #include <post.h> |
| #endif |
| #include <lcd.h> |
| #include <watchdog.h> |
| #include <asm/unaligned.h> |
| #include <splash.h> |
| #include <asm/io.h> |
| #include <asm/unaligned.h> |
| #include <fdt_support.h> |
| |
| #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ |
| defined(CONFIG_CPU_MONAHANS) |
| #include <asm/byteorder.h> |
| #endif |
| |
| #if defined(CONFIG_MPC823) |
| #include <lcdvideo.h> |
| #endif |
| |
| #if defined(CONFIG_ATMEL_LCD) |
| #include <atmel_lcdc.h> |
| #endif |
| |
| #if defined(CONFIG_LCD_DT_SIMPLEFB) |
| #include <libfdt.h> |
| #endif |
| |
| /************************************************************************/ |
| /* ** FONT DATA */ |
| /************************************************************************/ |
| #include <video_font.h> /* Get font data, width and height */ |
| |
| /************************************************************************/ |
| /* ** LOGO DATA */ |
| /************************************************************************/ |
| #ifdef CONFIG_LCD_LOGO |
| # include <bmp_logo.h> /* Get logo data, width and height */ |
| # include <bmp_logo_data.h> |
| # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) |
| # error Default Color Map overlaps with Logo Color Map |
| # endif |
| #endif |
| |
| #ifdef CONFIG_SANDBOX |
| #include <asm/sdl.h> |
| #endif |
| |
| #ifndef CONFIG_LCD_ALIGNMENT |
| #define CONFIG_LCD_ALIGNMENT PAGE_SIZE |
| #endif |
| |
| #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ |
| (LCD_BPP != LCD_COLOR32) |
| # error Unsupported LCD BPP. |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static int lcd_init(void *lcdbase); |
| |
| static void *lcd_logo(void); |
| |
| static void lcd_setfgcolor(int color); |
| static void lcd_setbgcolor(int color); |
| |
| static int lcd_color_fg; |
| static int lcd_color_bg; |
| int lcd_line_length; |
| |
| char lcd_is_enabled = 0; |
| |
| static void *lcd_base; /* Start of framebuffer memory */ |
| |
| static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ |
| |
| /************************************************************************/ |
| |
| /* Flush LCD activity to the caches */ |
| void lcd_sync(void) |
| { |
| /* |
| * flush_dcache_range() is declared in common.h but it seems that some |
| * architectures do not actually implement it. Is there a way to find |
| * out whether it exists? For now, ARM is safe. |
| */ |
| #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) |
| int line_length; |
| |
| if (lcd_flush_dcache) |
| flush_dcache_range((u32)lcd_base, |
| (u32)(lcd_base + lcd_get_size(&line_length))); |
| #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) |
| static ulong last_sync; |
| |
| if (get_timer(last_sync) > 10) { |
| sandbox_sdl_sync(lcd_base); |
| last_sync = get_timer(0); |
| } |
| #endif |
| } |
| |
| void lcd_set_flush_dcache(int flush) |
| { |
| lcd_flush_dcache = (flush != 0); |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static void lcd_stub_putc(struct stdio_dev *dev, const char c) |
| { |
| lcd_putc(c); |
| } |
| |
| static void lcd_stub_puts(struct stdio_dev *dev, const char *s) |
| { |
| lcd_puts(s); |
| } |
| |
| /************************************************************************/ |
| /** Small utility to check that you got the colours right */ |
| /************************************************************************/ |
| #ifdef LCD_TEST_PATTERN |
| |
| #define N_BLK_VERT 2 |
| #define N_BLK_HOR 3 |
| |
| static int test_colors[N_BLK_HOR * N_BLK_VERT] = { |
| CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, |
| CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, |
| }; |
| |
| static void test_pattern(void) |
| { |
| ushort v_max = panel_info.vl_row; |
| ushort h_max = panel_info.vl_col; |
| ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; |
| ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; |
| ushort v, h; |
| uchar *pix = (uchar *)lcd_base; |
| |
| printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", |
| h_max, v_max, h_step, v_step); |
| |
| /* WARNING: Code silently assumes 8bit/pixel */ |
| for (v = 0; v < v_max; ++v) { |
| uchar iy = v / v_step; |
| for (h = 0; h < h_max; ++h) { |
| uchar ix = N_BLK_HOR * iy + h / h_step; |
| *pix++ = test_colors[ix]; |
| } |
| } |
| } |
| #endif /* LCD_TEST_PATTERN */ |
| |
| |
| /************************************************************************/ |
| /* ** GENERIC Initialization Routines */ |
| /************************************************************************/ |
| /* |
| * With most lcd drivers the line length is set up |
| * by calculating it from panel_info parameters. Some |
| * drivers need to calculate the line length differently, |
| * so make the function weak to allow overriding it. |
| */ |
| __weak int lcd_get_size(int *line_length) |
| { |
| *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; |
| return *line_length * panel_info.vl_row; |
| } |
| |
| int drv_lcd_init(void) |
| { |
| struct stdio_dev lcddev; |
| int rc; |
| |
| lcd_base = map_sysmem(gd->fb_base, 0); |
| |
| lcd_init(lcd_base); /* LCD initialization */ |
| |
| /* Device initialization */ |
| memset(&lcddev, 0, sizeof(lcddev)); |
| |
| strcpy(lcddev.name, "lcd"); |
| lcddev.ext = 0; /* No extensions */ |
| lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ |
| lcddev.putc = lcd_stub_putc; /* 'putc' function */ |
| lcddev.puts = lcd_stub_puts; /* 'puts' function */ |
| |
| rc = stdio_register(&lcddev); |
| |
| return (rc == 0) ? 1 : rc; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| void lcd_clear(void) |
| { |
| short console_rows, console_cols; |
| int bg_color; |
| #if LCD_BPP == LCD_COLOR8 |
| /* Setting the palette */ |
| lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); |
| lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); |
| lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); |
| lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); |
| lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); |
| lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); |
| lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); |
| lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); |
| lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); |
| #endif |
| |
| #ifndef CONFIG_SYS_WHITE_ON_BLACK |
| lcd_setfgcolor(CONSOLE_COLOR_BLACK); |
| lcd_setbgcolor(CONSOLE_COLOR_WHITE); |
| bg_color = CONSOLE_COLOR_WHITE; |
| #else |
| lcd_setfgcolor(CONSOLE_COLOR_WHITE); |
| lcd_setbgcolor(CONSOLE_COLOR_BLACK); |
| bg_color = CONSOLE_COLOR_BLACK; |
| #endif /* CONFIG_SYS_WHITE_ON_BLACK */ |
| |
| #ifdef LCD_TEST_PATTERN |
| test_pattern(); |
| #else |
| /* set framebuffer to background color */ |
| #if (LCD_BPP != LCD_COLOR32) |
| memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); |
| #else |
| u32 *ppix = lcd_base; |
| u32 i; |
| for (i = 0; |
| i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); |
| i++) { |
| *ppix++ = bg_color; |
| } |
| #endif |
| #endif |
| /* Paint the logo and retrieve LCD base address */ |
| debug("[LCD] Drawing the logo...\n"); |
| #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
| console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT); |
| console_rows /= VIDEO_FONT_HEIGHT; |
| #else |
| console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT; |
| #endif |
| console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH; |
| lcd_init_console(lcd_base, console_rows, console_cols); |
| lcd_init_console(lcd_logo(), console_rows, console_cols); |
| lcd_sync(); |
| } |
| |
| static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, |
| char *const argv[]) |
| { |
| lcd_clear(); |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| cls, 1, 1, do_lcd_clear, |
| "clear screen", |
| "" |
| ); |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static int lcd_init(void *lcdbase) |
| { |
| /* Initialize the lcd controller */ |
| debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); |
| |
| lcd_ctrl_init(lcdbase); |
| |
| /* |
| * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores |
| * the 'lcdbase' argument and uses custom lcd base address |
| * by setting up gd->fb_base. Check for this condition and fixup |
| * 'lcd_base' address. |
| */ |
| if (map_to_sysmem(lcdbase) != gd->fb_base) |
| lcd_base = map_sysmem(gd->fb_base, 0); |
| |
| debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); |
| |
| lcd_get_size(&lcd_line_length); |
| lcd_is_enabled = 1; |
| lcd_clear(); |
| lcd_enable(); |
| |
| /* Initialize the console */ |
| lcd_set_col(0); |
| #ifdef CONFIG_LCD_INFO_BELOW_LOGO |
| lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); |
| #else |
| lcd_set_row(1); /* leave 1 blank line below logo */ |
| #endif |
| |
| return 0; |
| } |
| |
| |
| /************************************************************************/ |
| /* ** ROM capable initialization part - needed to reserve FB memory */ |
| /************************************************************************/ |
| /* |
| * This is called early in the system initialization to grab memory |
| * for the LCD controller. |
| * Returns new address for monitor, after reserving LCD buffer memory |
| * |
| * Note that this is running from ROM, so no write access to global data. |
| */ |
| ulong lcd_setmem(ulong addr) |
| { |
| ulong size; |
| int line_length; |
| |
| debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, |
| panel_info.vl_row, NBITS(panel_info.vl_bpix)); |
| |
| size = lcd_get_size(&line_length); |
| |
| /* Round up to nearest full page, or MMU section if defined */ |
| size = ALIGN(size, CONFIG_LCD_ALIGNMENT); |
| addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); |
| |
| /* Allocate pages for the frame buffer. */ |
| addr -= size; |
| |
| debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", |
| size >> 10, addr); |
| |
| return addr; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static void lcd_setfgcolor(int color) |
| { |
| lcd_color_fg = color; |
| } |
| |
| int lcd_getfgcolor(void) |
| { |
| return lcd_color_fg; |
| } |
| |
| /*----------------------------------------------------------------------*/ |
| |
| static void lcd_setbgcolor(int color) |
| { |
| lcd_color_bg = color; |
| } |
| |
| int lcd_getbgcolor(void) |
| { |
| return lcd_color_bg; |
| } |
| |
| /************************************************************************/ |
| /* ** Chipset depending Bitmap / Logo stuff... */ |
| /************************************************************************/ |
| |
| #ifdef CONFIG_LCD_LOGO |
| void bitmap_plot(int x, int y) |
| { |
| #ifdef CONFIG_ATMEL_LCD |
| uint *cmap = (uint *)bmp_logo_palette; |
| #else |
| ushort *cmap = (ushort *)bmp_logo_palette; |
| #endif |
| ushort i, j; |
| uchar *bmap; |
| uchar *fb; |
| ushort *fb16; |
| #if defined(CONFIG_MPC823) |
| immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; |
| cpm8xx_t *cp = &(immr->im_cpm); |
| #endif |
| unsigned bpix = NBITS(panel_info.vl_bpix); |
| |
| debug("Logo: width %d height %d colors %d cmap %d\n", |
| BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, |
| ARRAY_SIZE(bmp_logo_palette)); |
| |
| bmap = &bmp_logo_bitmap[0]; |
| fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); |
| |
| if (bpix < 12) { |
| /* Leave room for default color map |
| * default case: generic system with no cmap (most likely 16bpp) |
| * cmap was set to the source palette, so no change is done. |
| * This avoids even more ifdefs in the next stanza |
| */ |
| #if defined(CONFIG_MPC823) |
| cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); |
| #elif defined(CONFIG_ATMEL_LCD) |
| cmap = (uint *)configuration_get_cmap(); |
| #else |
| cmap = configuration_get_cmap(); |
| #endif |
| |
| WATCHDOG_RESET(); |
| |
| /* Set color map */ |
| for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { |
| ushort colreg = bmp_logo_palette[i]; |
| #ifdef CONFIG_ATMEL_LCD |
| uint lut_entry; |
| #ifdef CONFIG_ATMEL_LCD_BGR555 |
| lut_entry = ((colreg & 0x000F) << 11) | |
| ((colreg & 0x00F0) << 2) | |
| ((colreg & 0x0F00) >> 7); |
| #else /* CONFIG_ATMEL_LCD_RGB565 */ |
| lut_entry = ((colreg & 0x000F) << 1) | |
| ((colreg & 0x00F0) << 3) | |
| ((colreg & 0x0F00) << 4); |
| #endif |
| *(cmap + BMP_LOGO_OFFSET) = lut_entry; |
| cmap++; |
| #else /* !CONFIG_ATMEL_LCD */ |
| *cmap++ = colreg; |
| #endif /* CONFIG_ATMEL_LCD */ |
| } |
| |
| WATCHDOG_RESET(); |
| |
| for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
| memcpy(fb, bmap, BMP_LOGO_WIDTH); |
| bmap += BMP_LOGO_WIDTH; |
| fb += panel_info.vl_col; |
| } |
| } |
| else { /* true color mode */ |
| u16 col16; |
| fb16 = (ushort *)fb; |
| for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { |
| for (j = 0; j < BMP_LOGO_WIDTH; j++) { |
| col16 = bmp_logo_palette[(bmap[j]-16)]; |
| fb16[j] = |
| ((col16 & 0x000F) << 1) | |
| ((col16 & 0x00F0) << 3) | |
| ((col16 & 0x0F00) << 4); |
| } |
| bmap += BMP_LOGO_WIDTH; |
| fb16 += panel_info.vl_col; |
| } |
| } |
| |
| WATCHDOG_RESET(); |
| lcd_sync(); |
| } |
| #else |
| static inline void bitmap_plot(int x, int y) {} |
| #endif /* CONFIG_LCD_LOGO */ |
| |
| /*----------------------------------------------------------------------*/ |
| #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) |
| /* |
| * Display the BMP file located at address bmp_image. |
| * Only uncompressed. |
| */ |
| |
| #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
| #define BMP_ALIGN_CENTER 0x7FFF |
| |
| static void splash_align_axis(int *axis, unsigned long panel_size, |
| unsigned long picture_size) |
| { |
| unsigned long panel_picture_delta = panel_size - picture_size; |
| unsigned long axis_alignment; |
| |
| if (*axis == BMP_ALIGN_CENTER) |
| axis_alignment = panel_picture_delta / 2; |
| else if (*axis < 0) |
| axis_alignment = panel_picture_delta + *axis + 1; |
| else |
| return; |
| |
| *axis = max(0, (int)axis_alignment); |
| } |
| #endif |
| |
| |
| #ifdef CONFIG_LCD_BMP_RLE8 |
| |
| #define BMP_RLE8_ESCAPE 0 |
| #define BMP_RLE8_EOL 0 |
| #define BMP_RLE8_EOBMP 1 |
| #define BMP_RLE8_DELTA 2 |
| |
| static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, |
| int cnt) |
| { |
| while (cnt > 0) { |
| *(*fbp)++ = cmap[*bmap++]; |
| cnt--; |
| } |
| } |
| |
| static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) |
| { |
| ushort *fb = *fbp; |
| int cnt_8copy = cnt >> 3; |
| |
| cnt -= cnt_8copy << 3; |
| while (cnt_8copy > 0) { |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| *fb++ = c; |
| cnt_8copy--; |
| } |
| while (cnt > 0) { |
| *fb++ = c; |
| cnt--; |
| } |
| *fbp = fb; |
| } |
| |
| /* |
| * Do not call this function directly, must be called from lcd_display_bitmap. |
| */ |
| static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, |
| int x_off, int y_off) |
| { |
| uchar *bmap; |
| ulong width, height; |
| ulong cnt, runlen; |
| int x, y; |
| int decode = 1; |
| |
| width = get_unaligned_le32(&bmp->header.width); |
| height = get_unaligned_le32(&bmp->header.height); |
| bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
| |
| x = 0; |
| y = height - 1; |
| |
| while (decode) { |
| if (bmap[0] == BMP_RLE8_ESCAPE) { |
| switch (bmap[1]) { |
| case BMP_RLE8_EOL: |
| /* end of line */ |
| bmap += 2; |
| x = 0; |
| y--; |
| /* 16bpix, 2-byte per pixel, width should *2 */ |
| fb -= (width * 2 + lcd_line_length); |
| break; |
| case BMP_RLE8_EOBMP: |
| /* end of bitmap */ |
| decode = 0; |
| break; |
| case BMP_RLE8_DELTA: |
| /* delta run */ |
| x += bmap[2]; |
| y -= bmap[3]; |
| /* 16bpix, 2-byte per pixel, x should *2 */ |
| fb = (uchar *) (lcd_base + (y + y_off - 1) |
| * lcd_line_length + (x + x_off) * 2); |
| bmap += 4; |
| break; |
| default: |
| /* unencoded run */ |
| runlen = bmap[1]; |
| bmap += 2; |
| if (y < height) { |
| if (x < width) { |
| if (x + runlen > width) |
| cnt = width - x; |
| else |
| cnt = runlen; |
| draw_unencoded_bitmap( |
| (ushort **)&fb, |
| bmap, cmap, cnt); |
| } |
| x += runlen; |
| } |
| bmap += runlen; |
| if (runlen & 1) |
| bmap++; |
| } |
| } else { |
| /* encoded run */ |
| if (y < height) { |
| runlen = bmap[0]; |
| if (x < width) { |
| /* aggregate the same code */ |
| while (bmap[0] == 0xff && |
| bmap[2] != BMP_RLE8_ESCAPE && |
| bmap[1] == bmap[3]) { |
| runlen += bmap[2]; |
| bmap += 2; |
| } |
| if (x + runlen > width) |
| cnt = width - x; |
| else |
| cnt = runlen; |
| draw_encoded_bitmap((ushort **)&fb, |
| cmap[bmap[1]], cnt); |
| } |
| x += runlen; |
| } |
| bmap += 2; |
| } |
| } |
| } |
| #endif |
| |
| __weak void fb_put_byte(uchar **fb, uchar **from) |
| { |
| *(*fb)++ = *(*from)++; |
| } |
| |
| #if defined(CONFIG_BMP_16BPP) |
| __weak void fb_put_word(uchar **fb, uchar **from) |
| { |
| *(*fb)++ = *(*from)++; |
| *(*fb)++ = *(*from)++; |
| } |
| #endif /* CONFIG_BMP_16BPP */ |
| |
| int lcd_display_bitmap(ulong bmp_image, int x, int y) |
| { |
| ushort *cmap = NULL; |
| ushort *cmap_base = NULL; |
| ushort i, j; |
| uchar *fb; |
| bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0); |
| uchar *bmap; |
| ushort padded_width; |
| unsigned long width, height, byte_width; |
| unsigned long pwidth = panel_info.vl_col; |
| unsigned colors, bpix, bmp_bpix; |
| |
| if (!bmp || !(bmp->header.signature[0] == 'B' && |
| bmp->header.signature[1] == 'M')) { |
| printf("Error: no valid bmp image at %lx\n", bmp_image); |
| |
| return 1; |
| } |
| |
| width = get_unaligned_le32(&bmp->header.width); |
| height = get_unaligned_le32(&bmp->header.height); |
| bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); |
| |
| colors = 1 << bmp_bpix; |
| |
| bpix = NBITS(panel_info.vl_bpix); |
| |
| if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { |
| printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
| bpix, bmp_bpix); |
| |
| return 1; |
| } |
| |
| /* |
| * We support displaying 8bpp BMPs on 16bpp LCDs |
| * and displaying 24bpp BMPs on 32bpp LCDs |
| * */ |
| if (bpix != bmp_bpix && |
| !(bmp_bpix == 8 && bpix == 16) && |
| !(bmp_bpix == 24 && bpix == 32)) { |
| printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", |
| bpix, get_unaligned_le16(&bmp->header.bit_count)); |
| return 1; |
| } |
| |
| debug("Display-bmp: %d x %d with %d colors\n", |
| (int)width, (int)height, (int)colors); |
| |
| if (bmp_bpix == 8) { |
| cmap = configuration_get_cmap(); |
| cmap_base = cmap; |
| |
| /* Set color map */ |
| for (i = 0; i < colors; ++i) { |
| bmp_color_table_entry_t cte = bmp->color_table[i]; |
| #if !defined(CONFIG_ATMEL_LCD) |
| ushort colreg = |
| ( ((cte.red) << 8) & 0xf800) | |
| ( ((cte.green) << 3) & 0x07e0) | |
| ( ((cte.blue) >> 3) & 0x001f) ; |
| *cmap = colreg; |
| #if defined(CONFIG_MPC823) |
| cmap--; |
| #else |
| cmap++; |
| #endif |
| #else /* CONFIG_ATMEL_LCD */ |
| lcd_setcolreg(i, cte.red, cte.green, cte.blue); |
| #endif |
| } |
| } |
| |
| padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); |
| |
| #ifdef CONFIG_SPLASH_SCREEN_ALIGN |
| splash_align_axis(&x, pwidth, width); |
| splash_align_axis(&y, panel_info.vl_row, height); |
| #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ |
| |
| if ((x + width) > pwidth) |
| width = pwidth - x; |
| if ((y + height) > panel_info.vl_row) |
| height = panel_info.vl_row - y; |
| |
| bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); |
| fb = (uchar *)(lcd_base + |
| (y + height - 1) * lcd_line_length + x * bpix / 8); |
| |
| switch (bmp_bpix) { |
| case 1: /* pass through */ |
| case 8: { |
| #ifdef CONFIG_LCD_BMP_RLE8 |
| u32 compression = get_unaligned_le32(&bmp->header.compression); |
| if (compression == BMP_BI_RLE8) { |
| if (bpix != 16) { |
| /* TODO implement render code for bpix != 16 */ |
| printf("Error: only support 16 bpix"); |
| return 1; |
| } |
| lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); |
| break; |
| } |
| #endif |
| |
| if (bpix != 16) |
| byte_width = width; |
| else |
| byte_width = width * 2; |
| |
| for (i = 0; i < height; ++i) { |
| WATCHDOG_RESET(); |
| for (j = 0; j < width; j++) { |
| if (bpix != 16) { |
| fb_put_byte(&fb, &bmap); |
| } else { |
| *(uint16_t *)fb = cmap_base[*(bmap++)]; |
| fb += sizeof(uint16_t) / sizeof(*fb); |
| } |
| } |
| bmap += (padded_width - width); |
| fb -= byte_width + lcd_line_length; |
| } |
| break; |
| } |
| #if defined(CONFIG_BMP_16BPP) |
| case 16: |
| for (i = 0; i < height; ++i) { |
| WATCHDOG_RESET(); |
| for (j = 0; j < width; j++) |
| fb_put_word(&fb, &bmap); |
| |
| bmap += (padded_width - width) * 2; |
| fb -= width * 2 + lcd_line_length; |
| } |
| break; |
| #endif /* CONFIG_BMP_16BPP */ |
| #if defined(CONFIG_BMP_24BMP) |
| case 24: |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; j++) { |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| *(fb++) = 0; |
| } |
| fb -= lcd_line_length + width * (bpix / 8); |
| } |
| break; |
| #endif /* CONFIG_BMP_24BMP */ |
| #if defined(CONFIG_BMP_32BPP) |
| case 32: |
| for (i = 0; i < height; ++i) { |
| for (j = 0; j < width; j++) { |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| *(fb++) = *(bmap++); |
| } |
| fb -= lcd_line_length + width * (bpix / 8); |
| } |
| break; |
| #endif /* CONFIG_BMP_32BPP */ |
| default: |
| break; |
| }; |
| |
| lcd_sync(); |
| return 0; |
| } |
| #endif |
| |
| static void *lcd_logo(void) |
| { |
| #ifdef CONFIG_SPLASH_SCREEN |
| char *s; |
| ulong addr; |
| static int do_splash = 1; |
| |
| if (do_splash && (s = getenv("splashimage")) != NULL) { |
| int x = 0, y = 0; |
| do_splash = 0; |
| |
| if (splash_screen_prepare()) |
| return (void *)lcd_base; |
| |
| addr = simple_strtoul (s, NULL, 16); |
| |
| splash_get_pos(&x, &y); |
| |
| if (bmp_display(addr, x, y) == 0) |
| return (void *)lcd_base; |
| } |
| #endif /* CONFIG_SPLASH_SCREEN */ |
| |
| bitmap_plot(0, 0); |
| |
| #ifdef CONFIG_LCD_INFO |
| lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); |
| lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); |
| lcd_show_board_info(); |
| #endif /* CONFIG_LCD_INFO */ |
| |
| #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) |
| return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); |
| #else |
| return (void *)lcd_base; |
| #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */ |
| } |
| |
| #ifdef CONFIG_SPLASHIMAGE_GUARD |
| static int on_splashimage(const char *name, const char *value, enum env_op op, |
| int flags) |
| { |
| ulong addr; |
| int aligned; |
| |
| if (op == env_op_delete) |
| return 0; |
| |
| addr = simple_strtoul(value, NULL, 16); |
| /* See README.displaying-bmps */ |
| aligned = (addr % 4 == 2); |
| if (!aligned) { |
| printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); |
| #endif |
| |
| int lcd_get_pixel_width(void) |
| { |
| return panel_info.vl_col; |
| } |
| |
| int lcd_get_pixel_height(void) |
| { |
| return panel_info.vl_row; |
| } |
| |
| #if defined(CONFIG_LCD_DT_SIMPLEFB) |
| static int lcd_dt_simplefb_configure_node(void *blob, int off) |
| { |
| #if LCD_BPP == LCD_COLOR16 |
| return fdt_setup_simplefb_node(blob, off, gd->fb_base, |
| panel_info.vl_col, panel_info.vl_row, |
| panel_info.vl_col * 2, "r5g6b5"); |
| #else |
| return -1; |
| #endif |
| } |
| |
| int lcd_dt_simplefb_add_node(void *blob) |
| { |
| static const char compat[] = "simple-framebuffer"; |
| static const char disabled[] = "disabled"; |
| int off, ret; |
| |
| off = fdt_add_subnode(blob, 0, "framebuffer"); |
| if (off < 0) |
| return -1; |
| |
| ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled)); |
| if (ret < 0) |
| return -1; |
| |
| ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat)); |
| if (ret < 0) |
| return -1; |
| |
| return lcd_dt_simplefb_configure_node(blob, off); |
| } |
| |
| int lcd_dt_simplefb_enable_existing_node(void *blob) |
| { |
| int off; |
| |
| off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer"); |
| if (off < 0) |
| return -1; |
| |
| return lcd_dt_simplefb_configure_node(blob, off); |
| } |
| #endif |