2 * Common LCD routines for supported CPUs
4 * (C) Copyright 2001-2002
5 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
7 * SPDX-License-Identifier: GPL-2.0+
10 /************************************************************************/
12 /************************************************************************/
21 #include <env_callback.h>
22 #include <linux/types.h>
23 #include <stdio_dev.h>
24 #if defined(CONFIG_POST)
29 #include <asm/unaligned.h>
32 #include <asm/unaligned.h>
33 #include <fdt_support.h>
35 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
36 defined(CONFIG_CPU_MONAHANS)
37 #include <asm/byteorder.h>
40 #if defined(CONFIG_MPC823)
44 #if defined(CONFIG_ATMEL_LCD)
45 #include <atmel_lcdc.h>
48 #if defined(CONFIG_LCD_DT_SIMPLEFB)
52 /************************************************************************/
54 /************************************************************************/
55 #include <video_font.h> /* Get font data, width and height */
57 /************************************************************************/
59 /************************************************************************/
60 #ifdef CONFIG_LCD_LOGO
61 # include <bmp_logo.h> /* Get logo data, width and height */
62 # include <bmp_logo_data.h>
63 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
64 # error Default Color Map overlaps with Logo Color Map
72 #ifndef CONFIG_LCD_ALIGNMENT
73 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
76 /* By default we scroll by a single line */
77 #ifndef CONFIG_CONSOLE_SCROLL_LINES
78 #define CONFIG_CONSOLE_SCROLL_LINES 1
81 /************************************************************************/
82 /* ** CONSOLE DEFINITIONS & FUNCTIONS */
83 /************************************************************************/
84 #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
85 #define CONSOLE_ROW_FIRST lcd_console_address
86 #define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
87 #define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
89 #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * console_rows)
90 #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
92 #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
93 (LCD_BPP != LCD_COLOR32)
94 # error Unsupported LCD BPP.
97 DECLARE_GLOBAL_DATA_PTR;
99 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count);
100 static inline void lcd_putc_xy(ushort x, ushort y, uchar c);
102 static int lcd_init(void *lcdbase);
104 static void *lcd_logo(void);
106 static void lcd_setfgcolor(int color);
107 static void lcd_setbgcolor(int color);
109 static int lcd_color_fg;
110 static int lcd_color_bg;
113 char lcd_is_enabled = 0;
115 static short console_curr_col;
116 static short console_curr_row;
117 static short console_cols;
118 static short console_rows;
120 static void *lcd_console_address;
121 static void *lcd_base; /* Start of framebuffer memory */
123 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
125 /************************************************************************/
127 /* Flush LCD activity to the caches */
131 * flush_dcache_range() is declared in common.h but it seems that some
132 * architectures do not actually implement it. Is there a way to find
133 * out whether it exists? For now, ARM is safe.
135 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
138 if (lcd_flush_dcache)
139 flush_dcache_range((u32)lcd_base,
140 (u32)(lcd_base + lcd_get_size(&line_length)));
141 #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
142 static ulong last_sync;
144 if (get_timer(last_sync) > 10) {
145 sandbox_sdl_sync(lcd_base);
146 last_sync = get_timer(0);
151 void lcd_set_flush_dcache(int flush)
153 lcd_flush_dcache = (flush != 0);
156 void lcd_init_console(void *address, int rows, int cols)
158 console_curr_col = 0;
159 console_curr_row = 0;
162 lcd_console_address = address;
165 void lcd_set_col(short col)
167 console_curr_col = col;
170 void lcd_set_row(short row)
172 console_curr_row = row;
175 /*----------------------------------------------------------------------*/
177 static void console_scrollup(void)
179 const int rows = CONFIG_CONSOLE_SCROLL_LINES;
180 int bg_color = lcd_getbgcolor();
182 /* Copy up rows ignoring those that will be overwritten */
183 memcpy(CONSOLE_ROW_FIRST,
184 lcd_console_address + CONSOLE_ROW_SIZE * rows,
185 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
187 /* Clear the last rows */
188 #if (LCD_BPP != LCD_COLOR32)
189 memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
190 bg_color, CONSOLE_ROW_SIZE * rows);
192 u32 *ppix = lcd_console_address +
193 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows;
196 i < (CONSOLE_ROW_SIZE * rows) / NBYTES(panel_info.vl_bpix);
202 console_curr_row -= rows;
205 /*----------------------------------------------------------------------*/
207 static inline void console_back(void)
209 if (--console_curr_col < 0) {
210 console_curr_col = console_cols - 1;
211 if (--console_curr_row < 0)
212 console_curr_row = 0;
215 lcd_putc_xy(console_curr_col * VIDEO_FONT_WIDTH,
216 console_curr_row * VIDEO_FONT_HEIGHT, ' ');
219 /*----------------------------------------------------------------------*/
221 static inline void console_newline(void)
223 console_curr_col = 0;
225 /* Check if we need to scroll the terminal */
226 if (++console_curr_row >= console_rows)
232 /*----------------------------------------------------------------------*/
234 static void lcd_stub_putc(struct stdio_dev *dev, const char c)
239 void lcd_putc(const char c)
241 if (!lcd_is_enabled) {
249 console_curr_col = 0;
256 case '\t': /* Tab (8 chars alignment) */
257 console_curr_col += 8;
258 console_curr_col &= ~7;
260 if (console_curr_col >= console_cols)
269 lcd_putc_xy(console_curr_col * VIDEO_FONT_WIDTH,
270 console_curr_row * VIDEO_FONT_HEIGHT, c);
271 if (++console_curr_col >= console_cols)
276 /*----------------------------------------------------------------------*/
278 static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
283 void lcd_puts(const char *s)
285 if (!lcd_is_enabled) {
297 /*----------------------------------------------------------------------*/
299 void lcd_printf(const char *fmt, ...)
302 char buf[CONFIG_SYS_PBSIZE];
305 vsprintf(buf, fmt, args);
311 /************************************************************************/
312 /* ** Low-Level Graphics Routines */
313 /************************************************************************/
315 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
319 int fg_color, bg_color;
321 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
322 y += BMP_LOGO_HEIGHT;
325 dest = (uchar *)(lcd_base + y * lcd_line_length + x * NBITS(LCD_BPP)/8);
327 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
330 #if LCD_BPP == LCD_COLOR16
331 ushort *d = (ushort *)dest;
332 #elif LCD_BPP == LCD_COLOR32
333 u32 *d = (u32 *)dest;
338 fg_color = lcd_getfgcolor();
339 bg_color = lcd_getbgcolor();
340 for (i = 0; i < count; ++i) {
344 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
346 for (c = 0; c < 8; ++c) {
347 *d++ = (bits & 0x80) ? fg_color : bg_color;
354 static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
356 lcd_drawchars(x, y, &c, 1);
359 /************************************************************************/
360 /** Small utility to check that you got the colours right */
361 /************************************************************************/
362 #ifdef LCD_TEST_PATTERN
367 static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
368 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
369 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
372 static void test_pattern(void)
374 ushort v_max = panel_info.vl_row;
375 ushort h_max = panel_info.vl_col;
376 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
377 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
379 uchar *pix = (uchar *)lcd_base;
381 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
382 h_max, v_max, h_step, v_step);
384 /* WARNING: Code silently assumes 8bit/pixel */
385 for (v = 0; v < v_max; ++v) {
386 uchar iy = v / v_step;
387 for (h = 0; h < h_max; ++h) {
388 uchar ix = N_BLK_HOR * iy + h / h_step;
389 *pix++ = test_colors[ix];
393 #endif /* LCD_TEST_PATTERN */
396 /************************************************************************/
397 /* ** GENERIC Initialization Routines */
398 /************************************************************************/
400 * With most lcd drivers the line length is set up
401 * by calculating it from panel_info parameters. Some
402 * drivers need to calculate the line length differently,
403 * so make the function weak to allow overriding it.
405 __weak int lcd_get_size(int *line_length)
407 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
408 return *line_length * panel_info.vl_row;
411 int drv_lcd_init(void)
413 struct stdio_dev lcddev;
416 lcd_base = map_sysmem(gd->fb_base, 0);
418 lcd_init(lcd_base); /* LCD initialization */
420 /* Device initialization */
421 memset(&lcddev, 0, sizeof(lcddev));
423 strcpy(lcddev.name, "lcd");
424 lcddev.ext = 0; /* No extensions */
425 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
426 lcddev.putc = lcd_stub_putc; /* 'putc' function */
427 lcddev.puts = lcd_stub_puts; /* 'puts' function */
429 rc = stdio_register(&lcddev);
431 return (rc == 0) ? 1 : rc;
434 /*----------------------------------------------------------------------*/
437 short console_rows, console_cols;
439 #if LCD_BPP == LCD_COLOR8
440 /* Setting the palette */
441 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
442 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
443 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
444 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
445 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
446 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
447 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
448 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
449 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
452 #ifndef CONFIG_SYS_WHITE_ON_BLACK
453 lcd_setfgcolor(CONSOLE_COLOR_BLACK);
454 lcd_setbgcolor(CONSOLE_COLOR_WHITE);
455 bg_color = CONSOLE_COLOR_WHITE;
457 lcd_setfgcolor(CONSOLE_COLOR_WHITE);
458 lcd_setbgcolor(CONSOLE_COLOR_BLACK);
459 bg_color = CONSOLE_COLOR_BLACK;
460 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
462 #ifdef LCD_TEST_PATTERN
465 /* set framebuffer to background color */
466 #if (LCD_BPP != LCD_COLOR32)
467 memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row);
469 u32 *ppix = lcd_base;
472 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix);
478 /* Paint the logo and retrieve LCD base address */
479 debug("[LCD] Drawing the logo...\n");
480 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
481 console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT);
482 console_rows /= VIDEO_FONT_HEIGHT;
484 console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT;
486 console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH;
487 lcd_init_console(lcd_logo(), console_rows, console_cols);
491 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
499 cls, 1, 1, do_lcd_clear,
504 /*----------------------------------------------------------------------*/
506 static int lcd_init(void *lcdbase)
508 /* Initialize the lcd controller */
509 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
511 lcd_ctrl_init(lcdbase);
514 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
515 * the 'lcdbase' argument and uses custom lcd base address
516 * by setting up gd->fb_base. Check for this condition and fixup
517 * 'lcd_base' address.
519 if (map_to_sysmem(lcdbase) != gd->fb_base)
520 lcd_base = map_sysmem(gd->fb_base, 0);
522 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
524 lcd_get_size(&lcd_line_length);
529 /* Initialize the console */
531 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
532 lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT);
534 lcd_set_row(1); /* leave 1 blank line below logo */
541 /************************************************************************/
542 /* ** ROM capable initialization part - needed to reserve FB memory */
543 /************************************************************************/
545 * This is called early in the system initialization to grab memory
546 * for the LCD controller.
547 * Returns new address for monitor, after reserving LCD buffer memory
549 * Note that this is running from ROM, so no write access to global data.
551 ulong lcd_setmem(ulong addr)
556 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
557 panel_info.vl_row, NBITS(panel_info.vl_bpix));
559 size = lcd_get_size(&line_length);
561 /* Round up to nearest full page, or MMU section if defined */
562 size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
563 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
565 /* Allocate pages for the frame buffer. */
568 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
574 /*----------------------------------------------------------------------*/
576 static void lcd_setfgcolor(int color)
578 lcd_color_fg = color;
581 int lcd_getfgcolor(void)
586 /*----------------------------------------------------------------------*/
588 static void lcd_setbgcolor(int color)
590 lcd_color_bg = color;
593 int lcd_getbgcolor(void)
598 /************************************************************************/
599 /* ** Chipset depending Bitmap / Logo stuff... */
600 /************************************************************************/
601 static inline ushort *configuration_get_cmap(void)
603 #if defined CONFIG_CPU_PXA
604 struct pxafb_info *fbi = &panel_info.pxa;
605 return (ushort *)fbi->palette;
606 #elif defined(CONFIG_MPC823)
607 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
608 cpm8xx_t *cp = &(immr->im_cpm);
609 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
610 #elif defined(CONFIG_ATMEL_LCD)
611 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
612 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
613 return panel_info.cmap;
614 #elif defined(CONFIG_LCD_LOGO)
615 return bmp_logo_palette;
621 #ifdef CONFIG_LCD_LOGO
622 void bitmap_plot(int x, int y)
624 #ifdef CONFIG_ATMEL_LCD
625 uint *cmap = (uint *)bmp_logo_palette;
627 ushort *cmap = (ushort *)bmp_logo_palette;
633 #if defined(CONFIG_MPC823)
634 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
635 cpm8xx_t *cp = &(immr->im_cpm);
637 unsigned bpix = NBITS(panel_info.vl_bpix);
639 debug("Logo: width %d height %d colors %d cmap %d\n",
640 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
641 ARRAY_SIZE(bmp_logo_palette));
643 bmap = &bmp_logo_bitmap[0];
644 fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
647 /* Leave room for default color map
648 * default case: generic system with no cmap (most likely 16bpp)
649 * cmap was set to the source palette, so no change is done.
650 * This avoids even more ifdefs in the next stanza
652 #if defined(CONFIG_MPC823)
653 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
654 #elif defined(CONFIG_ATMEL_LCD)
655 cmap = (uint *)configuration_get_cmap();
657 cmap = configuration_get_cmap();
663 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) {
664 ushort colreg = bmp_logo_palette[i];
665 #ifdef CONFIG_ATMEL_LCD
667 #ifdef CONFIG_ATMEL_LCD_BGR555
668 lut_entry = ((colreg & 0x000F) << 11) |
669 ((colreg & 0x00F0) << 2) |
670 ((colreg & 0x0F00) >> 7);
671 #else /* CONFIG_ATMEL_LCD_RGB565 */
672 lut_entry = ((colreg & 0x000F) << 1) |
673 ((colreg & 0x00F0) << 3) |
674 ((colreg & 0x0F00) << 4);
676 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
678 #else /* !CONFIG_ATMEL_LCD */
680 #endif /* CONFIG_ATMEL_LCD */
685 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
686 memcpy(fb, bmap, BMP_LOGO_WIDTH);
687 bmap += BMP_LOGO_WIDTH;
688 fb += panel_info.vl_col;
691 else { /* true color mode */
694 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
695 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
696 col16 = bmp_logo_palette[(bmap[j]-16)];
698 ((col16 & 0x000F) << 1) |
699 ((col16 & 0x00F0) << 3) |
700 ((col16 & 0x0F00) << 4);
702 bmap += BMP_LOGO_WIDTH;
703 fb16 += panel_info.vl_col;
711 static inline void bitmap_plot(int x, int y) {}
712 #endif /* CONFIG_LCD_LOGO */
714 /*----------------------------------------------------------------------*/
715 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
717 * Display the BMP file located at address bmp_image.
721 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
722 #define BMP_ALIGN_CENTER 0x7FFF
724 static void splash_align_axis(int *axis, unsigned long panel_size,
725 unsigned long picture_size)
727 unsigned long panel_picture_delta = panel_size - picture_size;
728 unsigned long axis_alignment;
730 if (*axis == BMP_ALIGN_CENTER)
731 axis_alignment = panel_picture_delta / 2;
733 axis_alignment = panel_picture_delta + *axis + 1;
737 *axis = max(0, (int)axis_alignment);
742 #ifdef CONFIG_LCD_BMP_RLE8
744 #define BMP_RLE8_ESCAPE 0
745 #define BMP_RLE8_EOL 0
746 #define BMP_RLE8_EOBMP 1
747 #define BMP_RLE8_DELTA 2
749 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
753 *(*fbp)++ = cmap[*bmap++];
758 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
761 int cnt_8copy = cnt >> 3;
763 cnt -= cnt_8copy << 3;
764 while (cnt_8copy > 0) {
783 * Do not call this function directly, must be called from lcd_display_bitmap.
785 static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
786 int x_off, int y_off)
794 width = get_unaligned_le32(&bmp->header.width);
795 height = get_unaligned_le32(&bmp->header.height);
796 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
802 if (bmap[0] == BMP_RLE8_ESCAPE) {
809 /* 16bpix, 2-byte per pixel, width should *2 */
810 fb -= (width * 2 + lcd_line_length);
820 /* 16bpix, 2-byte per pixel, x should *2 */
821 fb = (uchar *) (lcd_base + (y + y_off - 1)
822 * lcd_line_length + (x + x_off) * 2);
831 if (x + runlen > width)
835 draw_unencoded_bitmap(
850 /* aggregate the same code */
851 while (bmap[0] == 0xff &&
852 bmap[2] != BMP_RLE8_ESCAPE &&
853 bmap[1] == bmap[3]) {
857 if (x + runlen > width)
861 draw_encoded_bitmap((ushort **)&fb,
872 #if defined(CONFIG_MPC823)
873 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
875 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
878 #if defined(CONFIG_BMP_16BPP)
879 #if defined(CONFIG_ATMEL_LCD_BGR555)
880 static inline void fb_put_word(uchar **fb, uchar **from)
882 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
883 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
887 static inline void fb_put_word(uchar **fb, uchar **from)
889 *(*fb)++ = *(*from)++;
890 *(*fb)++ = *(*from)++;
893 #endif /* CONFIG_BMP_16BPP */
895 int lcd_display_bitmap(ulong bmp_image, int x, int y)
898 ushort *cmap_base = NULL;
901 bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0);
904 unsigned long width, height, byte_width;
905 unsigned long pwidth = panel_info.vl_col;
906 unsigned colors, bpix, bmp_bpix;
908 if (!bmp || !(bmp->header.signature[0] == 'B' &&
909 bmp->header.signature[1] == 'M')) {
910 printf("Error: no valid bmp image at %lx\n", bmp_image);
915 width = get_unaligned_le32(&bmp->header.width);
916 height = get_unaligned_le32(&bmp->header.height);
917 bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
919 colors = 1 << bmp_bpix;
921 bpix = NBITS(panel_info.vl_bpix);
923 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) {
924 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
931 * We support displaying 8bpp BMPs on 16bpp LCDs
932 * and displaying 24bpp BMPs on 32bpp LCDs
934 if (bpix != bmp_bpix &&
935 !(bmp_bpix == 8 && bpix == 16) &&
936 !(bmp_bpix == 24 && bpix == 32)) {
937 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
938 bpix, get_unaligned_le16(&bmp->header.bit_count));
942 debug("Display-bmp: %d x %d with %d colors\n",
943 (int)width, (int)height, (int)colors);
946 cmap = configuration_get_cmap();
950 for (i = 0; i < colors; ++i) {
951 bmp_color_table_entry_t cte = bmp->color_table[i];
952 #if !defined(CONFIG_ATMEL_LCD)
954 ( ((cte.red) << 8) & 0xf800) |
955 ( ((cte.green) << 3) & 0x07e0) |
956 ( ((cte.blue) >> 3) & 0x001f) ;
958 #if defined(CONFIG_MPC823)
963 #else /* CONFIG_ATMEL_LCD */
964 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
969 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width);
971 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
972 splash_align_axis(&x, pwidth, width);
973 splash_align_axis(&y, panel_info.vl_row, height);
974 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
976 if ((x + width) > pwidth)
978 if ((y + height) > panel_info.vl_row)
979 height = panel_info.vl_row - y;
981 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
982 fb = (uchar *)(lcd_base +
983 (y + height - 1) * lcd_line_length + x * bpix / 8);
986 case 1: /* pass through */
988 #ifdef CONFIG_LCD_BMP_RLE8
989 u32 compression = get_unaligned_le32(&bmp->header.compression);
990 if (compression == BMP_BI_RLE8) {
992 /* TODO implement render code for bpix != 16 */
993 printf("Error: only support 16 bpix");
996 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
1004 byte_width = width * 2;
1006 for (i = 0; i < height; ++i) {
1008 for (j = 0; j < width; j++) {
1010 FB_PUT_BYTE(fb, bmap);
1012 *(uint16_t *)fb = cmap_base[*(bmap++)];
1013 fb += sizeof(uint16_t) / sizeof(*fb);
1016 bmap += (padded_width - width);
1017 fb -= byte_width + lcd_line_length;
1021 #if defined(CONFIG_BMP_16BPP)
1023 for (i = 0; i < height; ++i) {
1025 for (j = 0; j < width; j++)
1026 fb_put_word(&fb, &bmap);
1028 bmap += (padded_width - width) * 2;
1029 fb -= width * 2 + lcd_line_length;
1032 #endif /* CONFIG_BMP_16BPP */
1033 #if defined(CONFIG_BMP_24BMP)
1035 for (i = 0; i < height; ++i) {
1036 for (j = 0; j < width; j++) {
1037 *(fb++) = *(bmap++);
1038 *(fb++) = *(bmap++);
1039 *(fb++) = *(bmap++);
1042 fb -= lcd_line_length + width * (bpix / 8);
1045 #endif /* CONFIG_BMP_24BMP */
1046 #if defined(CONFIG_BMP_32BPP)
1048 for (i = 0; i < height; ++i) {
1049 for (j = 0; j < width; j++) {
1050 *(fb++) = *(bmap++);
1051 *(fb++) = *(bmap++);
1052 *(fb++) = *(bmap++);
1053 *(fb++) = *(bmap++);
1055 fb -= lcd_line_length + width * (bpix / 8);
1058 #endif /* CONFIG_BMP_32BPP */
1068 static void *lcd_logo(void)
1070 #ifdef CONFIG_SPLASH_SCREEN
1073 static int do_splash = 1;
1075 if (do_splash && (s = getenv("splashimage")) != NULL) {
1079 if (splash_screen_prepare())
1080 return (void *)lcd_base;
1082 addr = simple_strtoul (s, NULL, 16);
1084 splash_get_pos(&x, &y);
1086 if (bmp_display(addr, x, y) == 0)
1087 return (void *)lcd_base;
1089 #endif /* CONFIG_SPLASH_SCREEN */
1093 #ifdef CONFIG_LCD_INFO
1094 lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH);
1095 lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT);
1096 lcd_show_board_info();
1097 #endif /* CONFIG_LCD_INFO */
1099 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1100 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length);
1102 return (void *)lcd_base;
1103 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
1106 #ifdef CONFIG_SPLASHIMAGE_GUARD
1107 static int on_splashimage(const char *name, const char *value, enum env_op op,
1113 if (op == env_op_delete)
1116 addr = simple_strtoul(value, NULL, 16);
1117 /* See README.displaying-bmps */
1118 aligned = (addr % 4 == 2);
1120 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1127 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
1130 void lcd_position_cursor(unsigned col, unsigned row)
1132 console_curr_col = min_t(short, col, console_cols - 1);
1133 console_curr_row = min_t(short, row, console_rows - 1);
1136 int lcd_get_pixel_width(void)
1138 return panel_info.vl_col;
1141 int lcd_get_pixel_height(void)
1143 return panel_info.vl_row;
1146 int lcd_get_screen_rows(void)
1148 return console_rows;
1151 int lcd_get_screen_columns(void)
1153 return console_cols;
1156 #if defined(CONFIG_LCD_DT_SIMPLEFB)
1157 static int lcd_dt_simplefb_configure_node(void *blob, int off)
1159 #if LCD_BPP == LCD_COLOR16
1160 return fdt_setup_simplefb_node(blob, off, gd->fb_base,
1161 panel_info.vl_col, panel_info.vl_row,
1162 panel_info.vl_col * 2, "r5g6b5");
1168 int lcd_dt_simplefb_add_node(void *blob)
1170 static const char compat[] = "simple-framebuffer";
1171 static const char disabled[] = "disabled";
1174 off = fdt_add_subnode(blob, 0, "framebuffer");
1178 ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled));
1182 ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat));
1186 return lcd_dt_simplefb_configure_node(blob, off);
1189 int lcd_dt_simplefb_enable_existing_node(void *blob)
1193 off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer");
1197 return lcd_dt_simplefb_configure_node(blob, off);