2 * Common LCD routines for supported CPUs
4 * (C) Copyright 2001-2002
5 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 /************************************************************************/
28 /************************************************************************/
36 #include <linux/types.h>
37 #include <stdio_dev.h>
38 #if defined(CONFIG_POST)
44 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
45 defined(CONFIG_CPU_MONAHANS)
46 #define CONFIG_CPU_PXA
47 #include <asm/byteorder.h>
50 #if defined(CONFIG_MPC823)
54 #if defined(CONFIG_ATMEL_LCD)
55 #include <atmel_lcdc.h>
58 /************************************************************************/
60 /************************************************************************/
61 #include <video_font.h> /* Get font data, width and height */
62 #include <video_font_data.h>
64 /************************************************************************/
66 /************************************************************************/
67 #ifdef CONFIG_LCD_LOGO
68 # include <bmp_logo.h> /* Get logo data, width and height */
69 # include <bmp_logo_data.h>
70 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP < LCD_COLOR16)
71 # error Default Color Map overlaps with Logo Color Map
75 #ifndef CONFIG_LCD_ALIGNMENT
76 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
79 /* By default we scroll by a single line */
80 #ifndef CONFIG_CONSOLE_SCROLL_LINES
81 #define CONFIG_CONSOLE_SCROLL_LINES 1
84 DECLARE_GLOBAL_DATA_PTR;
86 ulong lcd_setmem (ulong addr);
88 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count);
89 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s);
90 static inline void lcd_putc_xy(ushort x, ushort y, uchar c);
92 static int lcd_init(void *lcdbase);
94 static void *lcd_logo (void);
96 static int lcd_getbgcolor(void);
97 static void lcd_setfgcolor(int color);
98 static void lcd_setbgcolor(int color);
100 char lcd_is_enabled = 0;
102 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
105 #ifdef NOT_USED_SO_FAR
106 static void lcd_getcolreg(ushort regno,
107 ushort *red, ushort *green, ushort *blue);
108 static int lcd_getfgcolor(void);
109 #endif /* NOT_USED_SO_FAR */
111 /************************************************************************/
113 /* Flush LCD activity to the caches */
117 * flush_dcache_range() is declared in common.h but it seems that some
118 * architectures do not actually implement it. Is there a way to find
119 * out whether it exists? For now, ARM is safe.
121 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
124 if (lcd_flush_dcache)
125 flush_dcache_range((u32)lcd_base,
126 (u32)(lcd_base + lcd_get_size(&line_length)));
130 void lcd_set_flush_dcache(int flush)
132 lcd_flush_dcache = (flush != 0);
135 /*----------------------------------------------------------------------*/
137 static void console_scrollup(void)
139 const int rows = CONFIG_CONSOLE_SCROLL_LINES;
141 /* Copy up rows ignoring those that will be overwritten */
142 memcpy(CONSOLE_ROW_FIRST,
143 lcd_console_address + CONSOLE_ROW_SIZE * rows,
144 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
146 /* Clear the last rows */
147 memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
148 COLOR_MASK(lcd_color_bg),
149 CONSOLE_ROW_SIZE * rows);
155 /*----------------------------------------------------------------------*/
157 static inline void console_back(void)
159 if (--console_col < 0) {
160 console_col = CONSOLE_COLS-1 ;
161 if (--console_row < 0) {
166 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
167 console_row * VIDEO_FONT_HEIGHT, ' ');
170 /*----------------------------------------------------------------------*/
172 static inline void console_newline(void)
177 /* Check if we need to scroll the terminal */
178 if (console_row >= CONSOLE_ROWS) {
179 /* Scroll everything up */
186 /*----------------------------------------------------------------------*/
188 void lcd_putc(const char c)
190 if (!lcd_is_enabled) {
205 case '\t': /* Tab (8 chars alignment) */
209 if (console_col >= CONSOLE_COLS)
218 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
219 console_row * VIDEO_FONT_HEIGHT, c);
220 if (++console_col >= CONSOLE_COLS)
225 /*----------------------------------------------------------------------*/
227 void lcd_puts(const char *s)
229 if (!lcd_is_enabled) {
241 /*----------------------------------------------------------------------*/
243 void lcd_printf(const char *fmt, ...)
246 char buf[CONFIG_SYS_PBSIZE];
249 vsprintf(buf, fmt, args);
255 /************************************************************************/
256 /* ** Low-Level Graphics Routines */
257 /************************************************************************/
259 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
264 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
265 y += BMP_LOGO_HEIGHT;
268 #if LCD_BPP == LCD_MONOCHROME
269 ushort off = x * (1 << LCD_BPP) % 8;
272 dest = lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8;
274 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
277 #if LCD_BPP == LCD_COLOR24
279 #elif LCD_BPP == LCD_COLOR16
285 #if LCD_BPP == LCD_MONOCHROME
286 uchar rest = *d & -(1 << (8-off));
289 for (i = 0; i < count; ++i) {
293 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
295 #if LCD_BPP == LCD_MONOCHROME
296 sym = (COLOR_MASK(lcd_color_fg) & bits) |
297 (COLOR_MASK(lcd_color_bg) & ~bits);
299 *d++ = rest | (sym >> off);
300 rest = sym << (8-off);
302 for (c = 0; c < 8; ++c) {
303 *d++ = (bits & 0x80) ?
304 lcd_color_fg : lcd_color_bg;
309 #if LCD_BPP == LCD_MONOCHROME
310 *d = rest | (*d & ((1 << (8-off)) - 1));
315 /*----------------------------------------------------------------------*/
317 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s)
319 lcd_drawchars(x, y, s, strlen((char *)s));
322 /*----------------------------------------------------------------------*/
324 static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
326 lcd_drawchars(x, y, &c, 1);
329 /************************************************************************/
330 /** Small utility to check that you got the colours right */
331 /************************************************************************/
332 #ifdef LCD_TEST_PATTERN
337 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
338 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
339 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
342 #if LCD_BPP == LCD_COLOR8
344 #elif LCD_BPP == LCD_COLOR16
345 typedef ushort pix_t;
346 #elif LCD_BPP == LCD_COLOR24
349 #error Unsupported pixelformat
352 static void test_pattern(void)
354 ushort v_max = panel_info.vl_row;
355 ushort h_max = panel_info.vl_col;
356 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
357 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
359 pix_t *pix = lcd_base;
361 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
362 h_max, v_max, h_step, v_step);
364 /* WARNING: Code silently assumes 8bit/pixel */
365 for (v = 0; v < v_max; ++v) {
366 uchar iy = v / v_step;
367 for (h = 0; h < h_max; ++h) {
368 uchar ix = N_BLK_HOR * iy + (h/h_step);
369 *pix++ = test_colors[ix];
373 #endif /* LCD_TEST_PATTERN */
376 /************************************************************************/
377 /* ** GENERIC Initialization Routines */
378 /************************************************************************/
380 int lcd_get_size(int *line_length)
382 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
383 return *line_length * panel_info.vl_row;
386 int drv_lcd_init(void)
388 struct stdio_dev lcddev;
391 lcd_base = (void *)gd->fb_base;
393 lcd_get_size(&lcd_line_length);
395 lcd_init(lcd_base); /* LCD initialization */
397 /* Device initialization */
398 memset(&lcddev, 0, sizeof(lcddev));
400 strcpy(lcddev.name, "lcd");
401 lcddev.ext = 0; /* No extensions */
402 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
403 lcddev.putc = lcd_putc; /* 'putc' function */
404 lcddev.puts = lcd_puts; /* 'puts' function */
406 rc = stdio_register (&lcddev);
408 return (rc == 0) ? 1 : rc;
411 /*----------------------------------------------------------------------*/
414 #if LCD_BPP == LCD_MONOCHROME
415 /* Setting the palette */
418 #elif LCD_BPP == LCD_COLOR8
419 /* Setting the palette */
420 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
421 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
422 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
423 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
424 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
425 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
426 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
427 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
428 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
431 #ifndef CONFIG_SYS_WHITE_ON_BLACK
432 lcd_setfgcolor(CONSOLE_COLOR_BLACK);
433 lcd_setbgcolor(CONSOLE_COLOR_WHITE);
435 lcd_setfgcolor(CONSOLE_COLOR_WHITE);
436 lcd_setbgcolor(CONSOLE_COLOR_BLACK);
437 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
439 #ifdef LCD_TEST_PATTERN
442 /* set framebuffer to background color */
443 memset((char *)lcd_base,
444 COLOR_MASK(lcd_getbgcolor()),
445 lcd_line_length*panel_info.vl_row);
447 /* Paint the logo and retrieve LCD base address */
448 debug("[LCD] Drawing the logo @ %p...\n", lcd_base);
449 lcd_console_address = lcd_logo();
456 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
464 cls, 1, 1, do_lcd_clear,
469 /*----------------------------------------------------------------------*/
471 static int lcd_init(void *lcdbase)
473 /* Initialize the lcd controller */
474 debug("[LCD] Initializing %ux%ux%u LCD framebuffer at %p\n",
475 panel_info.vl_col, panel_info.vl_row, NBITS(panel_info.vl_bpix),
478 lcd_ctrl_init(lcdbase);
483 /* Initialize the console */
485 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
486 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
488 console_row = 1; /* leave 1 blank line below logo */
495 /************************************************************************/
496 /* ** ROM capable initialization part - needed to reserve FB memory */
497 /************************************************************************/
499 * This is called early in the system initialization to grab memory
500 * for the LCD controller.
501 * Returns new address for monitor, after reserving LCD buffer memory
503 * Note that this is running from ROM, so no write access to global data.
505 ulong lcd_setmem(ulong addr)
510 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
511 panel_info.vl_row, NBITS(panel_info.vl_bpix));
513 size = lcd_get_size(&line_length);
515 /* Round up to nearest full page, or MMU section if defined */
516 size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
517 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
519 /* Allocate pages for the frame buffer. */
522 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
527 /*----------------------------------------------------------------------*/
529 static void lcd_setfgcolor(int color)
531 lcd_color_fg = color;
534 /*----------------------------------------------------------------------*/
536 static void lcd_setbgcolor(int color)
538 lcd_color_bg = color;
541 /*----------------------------------------------------------------------*/
543 #ifdef NOT_USED_SO_FAR
544 static int lcd_getfgcolor(void)
548 #endif /* NOT_USED_SO_FAR */
550 /*----------------------------------------------------------------------*/
552 static inline int lcd_getbgcolor(void)
557 /*----------------------------------------------------------------------*/
559 /************************************************************************/
560 /* ** Chipset depending Bitmap / Logo stuff... */
561 /************************************************************************/
562 static inline ushort *configuration_get_cmap(void)
564 #if defined CONFIG_CPU_PXA
565 struct pxafb_info *fbi = &panel_info.pxa;
566 return (ushort *)fbi->palette;
567 #elif defined(CONFIG_MPC823)
568 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
569 cpm8xx_t *cp = &(immr->im_cpm);
570 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
571 #elif defined(CONFIG_ATMEL_LCD)
572 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
573 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
574 return panel_info.cmap;
576 #if defined(CONFIG_LCD_LOGO)
577 return bmp_logo_palette;
584 #ifdef CONFIG_LCD_LOGO
585 void bitmap_plot(int x, int y)
587 #ifdef CONFIG_ATMEL_LCD
588 uint *cmap = (uint *)bmp_logo_palette;
590 ushort *cmap = (ushort *)bmp_logo_palette;
596 #if defined(CONFIG_MPC823)
597 immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
598 cpm8xx_t *cp = &(immr->im_cpm);
601 debug("Logo: width %d height %d colors %d cmap %d\n",
602 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
603 ARRAY_SIZE(bmp_logo_palette));
605 bmap = &bmp_logo_bitmap[0];
606 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
608 if (NBITS(panel_info.vl_bpix) < 12) {
609 /* Leave room for default color map
610 * default case: generic system with no cmap (most likely 16bpp)
611 * cmap was set to the source palette, so no change is done.
612 * This avoids even more ifdefs in the next stanza
614 #if defined(CONFIG_MPC823)
615 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
616 #elif defined(CONFIG_ATMEL_LCD)
617 cmap = (uint *)configuration_get_cmap();
619 cmap = configuration_get_cmap();
625 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) {
626 ushort colreg = bmp_logo_palette[i];
627 #ifdef CONFIG_ATMEL_LCD
629 #ifdef CONFIG_ATMEL_LCD_BGR555
630 lut_entry = ((colreg & 0x000F) << 11) |
631 ((colreg & 0x00F0) << 2) |
632 ((colreg & 0x0F00) >> 7);
633 #else /* CONFIG_ATMEL_LCD_RGB565 */
634 lut_entry = ((colreg & 0x000F) << 1) |
635 ((colreg & 0x00F0) << 3) |
636 ((colreg & 0x0F00) << 4);
638 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
640 #else /* !CONFIG_ATMEL_LCD */
641 #ifdef CONFIG_SYS_INVERT_COLORS
642 *cmap++ = 0xffff - colreg;
646 #endif /* CONFIG_ATMEL_LCD */
651 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
652 memcpy(fb, bmap, BMP_LOGO_WIDTH);
653 bmap += BMP_LOGO_WIDTH;
654 fb += panel_info.vl_col;
656 } else if (NBITS(panel_info.vl_bpix) == 16) {
658 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
659 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
660 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
661 col16 = bmp_logo_palette[(bmap[j]-16)];
663 ((col16 & 0x000F) << 1) |
664 ((col16 & 0x00F0) << 3) |
665 ((col16 & 0x0F00) << 4);
667 bmap += BMP_LOGO_WIDTH;
668 fb16 += panel_info.vl_col;
670 } else { /* true color mode */
672 u32 *fb32 = lcd_base + y * lcd_line_length + x;
674 for (i = 0; i < BMP_LOGO_HEIGHT; i++) {
675 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
676 col16 = bmp_logo_palette[bmap[j] - 16];
678 ((col16 & 0x000F) << 4) |
679 ((col16 & 0x00F0) << 8) |
680 ((col16 & 0x0F00) << 12);
682 bmap += BMP_LOGO_WIDTH;
683 fb32 += panel_info.vl_col;
691 static inline void bitmap_plot(int x, int y) {}
692 #endif /* CONFIG_LCD_LOGO */
694 /*----------------------------------------------------------------------*/
695 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
697 * Display the BMP file located at address bmp_image.
701 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
702 #define BMP_ALIGN_CENTER 0x7FFF
704 static void splash_align_axis(int *axis, unsigned long panel_size,
705 unsigned long picture_size)
707 unsigned long panel_picture_delta = panel_size - picture_size;
708 unsigned long axis_alignment;
710 if (*axis == BMP_ALIGN_CENTER)
711 axis_alignment = panel_picture_delta / 2;
713 axis_alignment = panel_picture_delta + *axis + 1;
717 *axis = max(0, axis_alignment);
722 #ifdef CONFIG_LCD_BMP_RLE8
724 #define BMP_RLE8_ESCAPE 0
725 #define BMP_RLE8_EOL 0
726 #define BMP_RLE8_EOBMP 1
727 #define BMP_RLE8_DELTA 2
729 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
733 *(*fbp)++ = cmap[*bmap++];
738 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
741 int cnt_8copy = cnt >> 3;
743 cnt -= cnt_8copy << 3;
744 while (cnt_8copy > 0) {
763 * Do not call this function directly, must be called from
764 * lcd_display_bitmap.
766 static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
767 int x_off, int y_off)
775 width = le32_to_cpu(bmp->header.width);
776 height = le32_to_cpu(bmp->header.height);
777 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
783 if (bmap[0] == BMP_RLE8_ESCAPE) {
790 /* 16bpix, 2-byte per pixel, width should *2 */
791 fb -= (width * 2 + lcd_line_length);
801 /* 16bpix, 2-byte per pixel, x should *2 */
802 fb = (uchar *) (lcd_base + (y + y_off - 1)
803 * lcd_line_length + (x + x_off) * 2);
812 if (x + runlen > width)
816 draw_unencoded_bitmap(
831 /* aggregate the same code */
832 while (bmap[0] == 0xff &&
833 bmap[2] != BMP_RLE8_ESCAPE &&
834 bmap[1] == bmap[3]) {
838 if (x + runlen > width)
842 draw_encoded_bitmap((ushort **)&fb,
853 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
854 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
856 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
859 #if defined(CONFIG_BMP_16BPP)
860 #if defined(CONFIG_ATMEL_LCD_BGR555)
861 static inline void fb_put_word(uchar **fb, uchar **from)
863 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
864 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
868 static inline void fb_put_word(uchar **fb, uchar **from)
870 *(*fb)++ = *(*from)++;
871 *(*fb)++ = *(*from)++;
874 #endif /* CONFIG_BMP_16BPP */
876 int lcd_display_bitmap(ulong bmp_image, int x, int y)
878 #if !defined(CONFIG_MCC200)
881 ushort *cmap_base = NULL;
884 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
887 unsigned long width, height;
888 unsigned long pwidth = panel_info.vl_col;
889 unsigned long long colors;
890 unsigned bpix, bmp_bpix;
892 if (!bmp || !((bmp->header.signature[0] == 'B') &&
893 (bmp->header.signature[1] == 'M'))) {
894 printf("Error: no valid bmp image at %lx\n", bmp_image);
899 width = le32_to_cpu(bmp->header.width);
900 height = le32_to_cpu(bmp->header.height);
901 bmp_bpix = le16_to_cpu(bmp->header.bit_count);
902 colors = 1ULL << bmp_bpix;
904 bpix = NBITS(panel_info.vl_bpix);
906 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
907 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
913 /* We support displaying 8bpp BMPs on 16bpp or 32bpp LCDs */
914 if (bpix != bmp_bpix && (bmp_bpix != 8 || (bpix != 16 && bpix != 32))) {
915 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
917 le16_to_cpu(bmp->header.bit_count));
922 debug("Display-bmp: %lu x %lu with %llu colors\n",
923 width, height, colors);
925 #if !defined(CONFIG_MCC200)
926 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
928 cmap = configuration_get_cmap();
932 for (i = 0; i < colors; ++i) {
933 bmp_color_table_entry_t cte = bmp->color_table[i];
934 #if !defined(CONFIG_ATMEL_LCD)
936 ( ((cte.red) << 8) & 0xf800) |
937 ( ((cte.green) << 3) & 0x07e0) |
938 ( ((cte.blue) >> 3) & 0x001f) ;
939 #ifdef CONFIG_SYS_INVERT_COLORS
940 *cmap = 0xffff - colreg;
944 #if defined(CONFIG_MPC823)
949 #else /* CONFIG_ATMEL_LCD */
950 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
957 * BMP format for Monochrome assumes that the state of a
958 * pixel is described on a per Bit basis, not per Byte.
959 * So, in case of Monochrome BMP we should align widths
960 * on a byte boundary and convert them from Bit to Byte
962 * Probably, PXA250 and MPC823 process 1bpp BMP images in
963 * their own ways, so make the converting to be MCC200
966 #if defined(CONFIG_MCC200)
968 width = ALIGN(width, 8) >> 3;
969 x = ALIGN(x, 8) >> 3;
970 pwidth= ALIGN(pwidth, 8) >> 3;
974 padded_width = ALIGN(width, 4);
976 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
977 splash_align_axis(&x, pwidth, width);
978 splash_align_axis(&y, panel_info.vl_row, height);
979 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
980 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
982 if ((x + width) > pwidth)
983 width = max(pwidth - x, pwidth);
984 if ((y + height) > panel_info.vl_row) {
985 height = panel_info.vl_row - y;
986 bmap += (panel_info.vl_row - y) * padded_width;
989 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
990 fb = (uchar *) (lcd_base +
991 (y + height - 1) * lcd_line_length + x * bpix / 8);
994 case 1: /* pass through */
996 #ifdef CONFIG_LCD_BMP_RLE8
997 if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) {
999 /* TODO implement render code for bpix != 16 */
1000 printf("Error: only support 16 bpix");
1003 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
1008 for (i = 0; i < height; ++i) {
1010 for (j = 0; j < width; j++) {
1015 fb[0] = bmp->color_table[i].blue;
1016 fb[1] = bmp->color_table[i].green;
1017 fb[2] = bmp->color_table[i].red;
1018 fb += sizeof(uint32_t) / sizeof(*fb);
1019 } else if (bpix == 16) {
1020 *(uint16_t *)fb = cmap_base[*(bmap++)];
1021 fb += sizeof(uint16_t) / sizeof(*fb);
1023 FB_PUT_BYTE(fb, bmap);
1026 bmap += padded_width - width;
1027 fb -= width + lcd_line_length;
1031 #if defined(CONFIG_BMP_16BPP)
1033 for (i = 0; i < height; ++i) {
1035 for (j = 0; j < width; j++)
1036 fb_put_word(&fb, &bmap);
1038 bmap += (padded_width - width) * 2;
1039 fb -= width * 2 + lcd_line_length;
1042 #endif /* CONFIG_BMP_16BPP */
1044 for (i = 0; i < height; ++i) {
1046 for (j = 0; j < width; j++) {
1047 fb[3] = *bmap++; /* T */
1048 fb[0] = *bmap++; /* B */
1049 fb[1] = *bmap++; /* G */
1050 fb[2] = *bmap++; /* R */
1053 bmap += (padded_width - width) * 4;
1054 fb -= width * 4 + lcd_line_length;
1063 static void *lcd_logo(void)
1065 #ifdef CONFIG_SPLASH_SCREEN
1068 static int do_splash = 1;
1070 if (do_splash && (s = getenv("splashimage")) != NULL) {
1076 addr = simple_strtoul (s, &end, 16);
1077 if (addr == 0 || *end != '\0')
1079 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1080 s = getenv("splashpos");
1083 x = BMP_ALIGN_CENTER;
1085 x = simple_strtol(s, NULL, 0);
1087 s = strchr(s + 1, ',');
1090 y = BMP_ALIGN_CENTER;
1092 y = simple_strtol (s + 1, NULL, 0);
1095 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1097 if (bmp_display(addr, x, y) == 0)
1098 return (void *)lcd_base;
1100 #endif /* CONFIG_SPLASH_SCREEN */
1104 #ifdef CONFIG_LCD_INFO
1105 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
1106 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
1107 lcd_show_board_info();
1108 #endif /* CONFIG_LCD_INFO */
1110 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1111 return lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
1114 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
1117 void lcd_position_cursor(unsigned col, unsigned row)
1119 console_col = min(col, CONSOLE_COLS - 1);
1120 console_row = min(row, CONSOLE_ROWS - 1);
1123 int lcd_get_pixel_width(void)
1125 return panel_info.vl_col;
1128 int lcd_get_pixel_height(void)
1130 return panel_info.vl_row;
1133 int lcd_get_screen_rows(void)
1135 return CONSOLE_ROWS;
1138 int lcd_get_screen_columns(void)
1140 return CONSOLE_COLS;
1143 /************************************************************************/
1144 /************************************************************************/