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 /************************************************************************/
37 #include <env_callback.h>
38 #include <linux/types.h>
39 #include <stdio_dev.h>
40 #if defined(CONFIG_POST)
46 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
47 defined(CONFIG_CPU_MONAHANS)
48 #define CONFIG_CPU_PXA
49 #include <asm/byteorder.h>
52 #if defined(CONFIG_MPC823)
56 #if defined(CONFIG_ATMEL_LCD)
57 #include <atmel_lcdc.h>
60 /************************************************************************/
62 /************************************************************************/
63 #include <video_font.h> /* Get font data, width and height */
64 #include <video_font_data.h>
66 /************************************************************************/
68 /************************************************************************/
69 #ifdef CONFIG_LCD_LOGO
70 # include <bmp_logo.h> /* Get logo data, width and height */
71 # include <bmp_logo_data.h>
72 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
73 # error Default Color Map overlaps with Logo Color Map
77 #ifndef CONFIG_LCD_ALIGNMENT
78 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
81 /* By default we scroll by a single line */
82 #ifndef CONFIG_CONSOLE_SCROLL_LINES
83 #define CONFIG_CONSOLE_SCROLL_LINES 1
86 DECLARE_GLOBAL_DATA_PTR;
88 ulong lcd_setmem (ulong addr);
90 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count);
91 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s);
92 static inline void lcd_putc_xy(ushort x, ushort y, uchar c);
94 static int lcd_init(void *lcdbase);
96 static void *lcd_logo (void);
98 static int lcd_getbgcolor(void);
99 static void lcd_setfgcolor(int color);
100 static void lcd_setbgcolor(int color);
102 static int lcd_color_fg;
103 static int lcd_color_bg;
106 char lcd_is_enabled = 0;
108 static short console_col;
109 static short console_row;
111 static void *lcd_console_address;
112 static void *lcd_base; /* Start of framebuffer memory */
114 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
117 #ifdef NOT_USED_SO_FAR
118 static void lcd_getcolreg(ushort regno,
119 ushort *red, ushort *green, ushort *blue);
120 static int lcd_getfgcolor(void);
121 #endif /* NOT_USED_SO_FAR */
123 /************************************************************************/
125 /* Flush LCD activity to the caches */
129 * flush_dcache_range() is declared in common.h but it seems that some
130 * architectures do not actually implement it. Is there a way to find
131 * out whether it exists? For now, ARM is safe.
133 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
136 if (lcd_flush_dcache)
137 flush_dcache_range((u32)lcd_base,
138 (u32)(lcd_base + lcd_get_size(&line_length)));
142 void lcd_set_flush_dcache(int flush)
144 lcd_flush_dcache = (flush != 0);
147 /*----------------------------------------------------------------------*/
149 static void console_scrollup(void)
151 const int rows = CONFIG_CONSOLE_SCROLL_LINES;
153 /* Copy up rows ignoring those that will be overwritten */
154 memcpy(CONSOLE_ROW_FIRST,
155 lcd_console_address + CONSOLE_ROW_SIZE * rows,
156 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
158 /* Clear the last rows */
159 memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
160 COLOR_MASK(lcd_color_bg),
161 CONSOLE_ROW_SIZE * rows);
167 /*----------------------------------------------------------------------*/
169 static inline void console_back(void)
171 if (--console_col < 0) {
172 console_col = CONSOLE_COLS-1 ;
173 if (--console_row < 0) {
178 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
179 console_row * VIDEO_FONT_HEIGHT, ' ');
182 /*----------------------------------------------------------------------*/
184 static inline void console_newline(void)
189 /* Check if we need to scroll the terminal */
190 if (console_row >= CONSOLE_ROWS) {
191 /* Scroll everything up */
198 /*----------------------------------------------------------------------*/
200 void lcd_putc(const char c)
202 if (!lcd_is_enabled) {
217 case '\t': /* Tab (8 chars alignment) */
221 if (console_col >= CONSOLE_COLS)
230 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
231 console_row * VIDEO_FONT_HEIGHT, c);
232 if (++console_col >= CONSOLE_COLS)
237 /*----------------------------------------------------------------------*/
239 void lcd_puts(const char *s)
241 if (!lcd_is_enabled) {
253 /*----------------------------------------------------------------------*/
255 void lcd_printf(const char *fmt, ...)
258 char buf[CONFIG_SYS_PBSIZE];
261 vsprintf(buf, fmt, args);
267 /************************************************************************/
268 /* ** Low-Level Graphics Routines */
269 /************************************************************************/
271 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
276 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
277 y += BMP_LOGO_HEIGHT;
280 #if LCD_BPP == LCD_MONOCHROME
281 ushort off = x * (1 << LCD_BPP) % 8;
284 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
286 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
289 #if LCD_BPP == LCD_COLOR16
290 ushort *d = (ushort *)dest;
295 #if LCD_BPP == LCD_MONOCHROME
296 uchar rest = *d & -(1 << (8-off));
299 for (i = 0; i < count; ++i) {
303 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
305 #if LCD_BPP == LCD_MONOCHROME
306 sym = (COLOR_MASK(lcd_color_fg) & bits) |
307 (COLOR_MASK(lcd_color_bg) & ~bits);
309 *d++ = rest | (sym >> off);
310 rest = sym << (8-off);
311 #elif LCD_BPP == LCD_COLOR8
312 for (c = 0; c < 8; ++c) {
313 *d++ = (bits & 0x80) ?
314 lcd_color_fg : lcd_color_bg;
317 #elif LCD_BPP == LCD_COLOR16
318 for (c = 0; c < 8; ++c) {
319 *d++ = (bits & 0x80) ?
320 lcd_color_fg : lcd_color_bg;
325 #if LCD_BPP == LCD_MONOCHROME
326 *d = rest | (*d & ((1 << (8-off)) - 1));
331 /*----------------------------------------------------------------------*/
333 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s)
335 lcd_drawchars(x, y, s, strlen((char *)s));
338 /*----------------------------------------------------------------------*/
340 static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
342 lcd_drawchars(x, y, &c, 1);
345 /************************************************************************/
346 /** Small utility to check that you got the colours right */
347 /************************************************************************/
348 #ifdef LCD_TEST_PATTERN
353 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
354 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
355 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
358 static void test_pattern(void)
360 ushort v_max = panel_info.vl_row;
361 ushort h_max = panel_info.vl_col;
362 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
363 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
365 uchar *pix = (uchar *)lcd_base;
367 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
368 h_max, v_max, h_step, v_step);
370 /* WARNING: Code silently assumes 8bit/pixel */
371 for (v = 0; v < v_max; ++v) {
372 uchar iy = v / v_step;
373 for (h = 0; h < h_max; ++h) {
374 uchar ix = N_BLK_HOR * iy + (h/h_step);
375 *pix++ = test_colors[ix];
379 #endif /* LCD_TEST_PATTERN */
382 /************************************************************************/
383 /* ** GENERIC Initialization Routines */
384 /************************************************************************/
386 int lcd_get_size(int *line_length)
388 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
389 return *line_length * panel_info.vl_row;
392 int drv_lcd_init (void)
394 struct stdio_dev lcddev;
397 lcd_base = (void *)(gd->fb_base);
399 lcd_get_size(&lcd_line_length);
401 lcd_init(lcd_base); /* LCD initialization */
403 /* Device initialization */
404 memset(&lcddev, 0, sizeof(lcddev));
406 strcpy(lcddev.name, "lcd");
407 lcddev.ext = 0; /* No extensions */
408 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
409 lcddev.putc = lcd_putc; /* 'putc' function */
410 lcddev.puts = lcd_puts; /* 'puts' function */
412 rc = stdio_register (&lcddev);
414 return (rc == 0) ? 1 : rc;
417 /*----------------------------------------------------------------------*/
420 #if LCD_BPP == LCD_MONOCHROME
421 /* Setting the palette */
424 #elif LCD_BPP == LCD_COLOR8
425 /* Setting the palette */
426 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
427 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
428 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
429 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
430 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
431 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
432 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
433 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
434 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
437 #ifndef CONFIG_SYS_WHITE_ON_BLACK
438 lcd_setfgcolor(CONSOLE_COLOR_BLACK);
439 lcd_setbgcolor(CONSOLE_COLOR_WHITE);
441 lcd_setfgcolor(CONSOLE_COLOR_WHITE);
442 lcd_setbgcolor(CONSOLE_COLOR_BLACK);
443 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
445 #ifdef LCD_TEST_PATTERN
448 /* set framebuffer to background color */
449 memset((char *)lcd_base,
450 COLOR_MASK(lcd_getbgcolor()),
451 lcd_line_length*panel_info.vl_row);
453 /* Paint the logo and retrieve LCD base address */
454 debug("[LCD] Drawing the logo...\n");
455 lcd_console_address = lcd_logo ();
462 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
470 cls, 1, 1, do_lcd_clear,
475 /*----------------------------------------------------------------------*/
477 static int lcd_init(void *lcdbase)
479 /* Initialize the lcd controller */
480 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
482 lcd_ctrl_init(lcdbase);
487 /* Initialize the console */
489 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
490 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
492 console_row = 1; /* leave 1 blank line below logo */
499 /************************************************************************/
500 /* ** ROM capable initialization part - needed to reserve FB memory */
501 /************************************************************************/
503 * This is called early in the system initialization to grab memory
504 * for the LCD controller.
505 * Returns new address for monitor, after reserving LCD buffer memory
507 * Note that this is running from ROM, so no write access to global data.
509 ulong lcd_setmem(ulong addr)
514 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
515 panel_info.vl_row, NBITS(panel_info.vl_bpix));
517 size = lcd_get_size(&line_length);
519 /* Round up to nearest full page, or MMU section if defined */
520 size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
521 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
523 /* Allocate pages for the frame buffer. */
526 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
531 /*----------------------------------------------------------------------*/
533 static void lcd_setfgcolor(int color)
535 lcd_color_fg = color;
538 /*----------------------------------------------------------------------*/
540 static void lcd_setbgcolor(int color)
542 lcd_color_bg = color;
545 /*----------------------------------------------------------------------*/
547 int lcd_getfgcolor(void)
552 /*----------------------------------------------------------------------*/
554 static int lcd_getbgcolor(void)
559 /*----------------------------------------------------------------------*/
561 /************************************************************************/
562 /* ** Chipset depending Bitmap / Logo stuff... */
563 /************************************************************************/
564 static inline ushort *configuration_get_cmap(void)
566 #if defined CONFIG_CPU_PXA
567 struct pxafb_info *fbi = &panel_info.pxa;
568 return (ushort *)fbi->palette;
569 #elif defined(CONFIG_MPC823)
570 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
571 cpm8xx_t *cp = &(immr->im_cpm);
572 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
573 #elif defined(CONFIG_ATMEL_LCD)
574 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
575 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
576 return panel_info.cmap;
578 #if defined(CONFIG_LCD_LOGO)
579 return bmp_logo_palette;
586 #ifdef CONFIG_LCD_LOGO
587 void bitmap_plot(int x, int y)
589 #ifdef CONFIG_ATMEL_LCD
590 uint *cmap = (uint *)bmp_logo_palette;
592 ushort *cmap = (ushort *)bmp_logo_palette;
598 #if defined(CONFIG_MPC823)
599 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
600 cpm8xx_t *cp = &(immr->im_cpm);
603 debug("Logo: width %d height %d colors %d cmap %d\n",
604 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
605 ARRAY_SIZE(bmp_logo_palette));
607 bmap = &bmp_logo_bitmap[0];
608 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
610 if (NBITS(panel_info.vl_bpix) < 12) {
611 /* Leave room for default color map
612 * default case: generic system with no cmap (most likely 16bpp)
613 * cmap was set to the source palette, so no change is done.
614 * This avoids even more ifdefs in the next stanza
616 #if defined(CONFIG_MPC823)
617 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
618 #elif defined(CONFIG_ATMEL_LCD)
619 cmap = (uint *)configuration_get_cmap();
621 cmap = configuration_get_cmap();
627 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) {
628 ushort colreg = bmp_logo_palette[i];
629 #ifdef CONFIG_ATMEL_LCD
631 #ifdef CONFIG_ATMEL_LCD_BGR555
632 lut_entry = ((colreg & 0x000F) << 11) |
633 ((colreg & 0x00F0) << 2) |
634 ((colreg & 0x0F00) >> 7);
635 #else /* CONFIG_ATMEL_LCD_RGB565 */
636 lut_entry = ((colreg & 0x000F) << 1) |
637 ((colreg & 0x00F0) << 3) |
638 ((colreg & 0x0F00) << 4);
640 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
642 #else /* !CONFIG_ATMEL_LCD */
643 #ifdef CONFIG_SYS_INVERT_COLORS
644 *cmap++ = 0xffff - colreg;
648 #endif /* CONFIG_ATMEL_LCD */
653 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
654 memcpy(fb, bmap, BMP_LOGO_WIDTH);
655 bmap += BMP_LOGO_WIDTH;
656 fb += panel_info.vl_col;
659 else { /* true color mode */
661 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
662 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
663 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
664 col16 = bmp_logo_palette[(bmap[j]-16)];
666 ((col16 & 0x000F) << 1) |
667 ((col16 & 0x00F0) << 3) |
668 ((col16 & 0x0F00) << 4);
670 bmap += BMP_LOGO_WIDTH;
671 fb16 += panel_info.vl_col;
679 static inline void bitmap_plot(int x, int y) {}
680 #endif /* CONFIG_LCD_LOGO */
682 /*----------------------------------------------------------------------*/
683 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
685 * Display the BMP file located at address bmp_image.
689 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
690 #define BMP_ALIGN_CENTER 0x7FFF
692 static void splash_align_axis(int *axis, unsigned long panel_size,
693 unsigned long picture_size)
695 unsigned long panel_picture_delta = panel_size - picture_size;
696 unsigned long axis_alignment;
698 if (*axis == BMP_ALIGN_CENTER)
699 axis_alignment = panel_picture_delta / 2;
701 axis_alignment = panel_picture_delta + *axis + 1;
705 *axis = max(0, axis_alignment);
710 #ifdef CONFIG_LCD_BMP_RLE8
712 #define BMP_RLE8_ESCAPE 0
713 #define BMP_RLE8_EOL 0
714 #define BMP_RLE8_EOBMP 1
715 #define BMP_RLE8_DELTA 2
717 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
721 *(*fbp)++ = cmap[*bmap++];
726 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
729 int cnt_8copy = cnt >> 3;
731 cnt -= cnt_8copy << 3;
732 while (cnt_8copy > 0) {
751 * Do not call this function directly, must be called from
752 * lcd_display_bitmap.
754 static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
755 int x_off, int y_off)
763 width = le32_to_cpu(bmp->header.width);
764 height = le32_to_cpu(bmp->header.height);
765 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
771 if (bmap[0] == BMP_RLE8_ESCAPE) {
778 /* 16bpix, 2-byte per pixel, width should *2 */
779 fb -= (width * 2 + lcd_line_length);
789 /* 16bpix, 2-byte per pixel, x should *2 */
790 fb = (uchar *) (lcd_base + (y + y_off - 1)
791 * lcd_line_length + (x + x_off) * 2);
800 if (x + runlen > width)
804 draw_unencoded_bitmap(
819 /* aggregate the same code */
820 while (bmap[0] == 0xff &&
821 bmap[2] != BMP_RLE8_ESCAPE &&
822 bmap[1] == bmap[3]) {
826 if (x + runlen > width)
830 draw_encoded_bitmap((ushort **)&fb,
841 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
842 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
844 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
847 #if defined(CONFIG_BMP_16BPP)
848 #if defined(CONFIG_ATMEL_LCD_BGR555)
849 static inline void fb_put_word(uchar **fb, uchar **from)
851 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
852 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
856 static inline void fb_put_word(uchar **fb, uchar **from)
858 *(*fb)++ = *(*from)++;
859 *(*fb)++ = *(*from)++;
862 #endif /* CONFIG_BMP_16BPP */
864 int lcd_display_bitmap(ulong bmp_image, int x, int y)
866 #if !defined(CONFIG_MCC200)
869 ushort *cmap_base = NULL;
872 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
875 unsigned long width, height, byte_width;
876 unsigned long pwidth = panel_info.vl_col;
877 unsigned colors, bpix, bmp_bpix;
879 if (!bmp || !((bmp->header.signature[0] == 'B') &&
880 (bmp->header.signature[1] == 'M'))) {
881 printf("Error: no valid bmp image at %lx\n", bmp_image);
886 width = le32_to_cpu(bmp->header.width);
887 height = le32_to_cpu(bmp->header.height);
888 bmp_bpix = le16_to_cpu(bmp->header.bit_count);
889 colors = 1 << bmp_bpix;
891 bpix = NBITS(panel_info.vl_bpix);
893 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
894 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
900 /* We support displaying 8bpp BMPs on 16bpp LCDs */
901 if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) {
902 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
904 le16_to_cpu(bmp->header.bit_count));
909 debug("Display-bmp: %d x %d with %d colors\n",
910 (int)width, (int)height, (int)colors);
912 #if !defined(CONFIG_MCC200)
913 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
915 cmap = configuration_get_cmap();
919 for (i = 0; i < colors; ++i) {
920 bmp_color_table_entry_t cte = bmp->color_table[i];
921 #if !defined(CONFIG_ATMEL_LCD)
923 ( ((cte.red) << 8) & 0xf800) |
924 ( ((cte.green) << 3) & 0x07e0) |
925 ( ((cte.blue) >> 3) & 0x001f) ;
926 #ifdef CONFIG_SYS_INVERT_COLORS
927 *cmap = 0xffff - colreg;
931 #if defined(CONFIG_MPC823)
936 #else /* CONFIG_ATMEL_LCD */
937 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
944 * BMP format for Monochrome assumes that the state of a
945 * pixel is described on a per Bit basis, not per Byte.
946 * So, in case of Monochrome BMP we should align widths
947 * on a byte boundary and convert them from Bit to Byte
949 * Probably, PXA250 and MPC823 process 1bpp BMP images in
950 * their own ways, so make the converting to be MCC200
953 #if defined(CONFIG_MCC200)
955 width = ((width + 7) & ~7) >> 3;
956 x = ((x + 7) & ~7) >> 3;
957 pwidth= ((pwidth + 7) & ~7) >> 3;
961 padded_width = (width&0x3) ? ((width&~0x3)+4) : (width);
963 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
964 splash_align_axis(&x, pwidth, width);
965 splash_align_axis(&y, panel_info.vl_row, height);
966 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
968 if ((x + width) > pwidth)
970 if ((y + height) > panel_info.vl_row)
971 height = panel_info.vl_row - y;
973 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
974 fb = (uchar *) (lcd_base +
975 (y + height - 1) * lcd_line_length + x * bpix / 8);
978 case 1: /* pass through */
980 #ifdef CONFIG_LCD_BMP_RLE8
981 if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) {
983 /* TODO implement render code for bpix != 16 */
984 printf("Error: only support 16 bpix");
987 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
995 byte_width = width * 2;
997 for (i = 0; i < height; ++i) {
999 for (j = 0; j < width; j++) {
1001 FB_PUT_BYTE(fb, bmap);
1003 *(uint16_t *)fb = cmap_base[*(bmap++)];
1004 fb += sizeof(uint16_t) / sizeof(*fb);
1007 bmap += (padded_width - width);
1008 fb -= (byte_width + lcd_line_length);
1012 #if defined(CONFIG_BMP_16BPP)
1014 for (i = 0; i < height; ++i) {
1016 for (j = 0; j < width; j++)
1017 fb_put_word(&fb, &bmap);
1019 bmap += (padded_width - width) * 2;
1020 fb -= (width * 2 + lcd_line_length);
1023 #endif /* CONFIG_BMP_16BPP */
1025 #if defined(CONFIG_BMP_32BPP)
1027 for (i = 0; i < height; ++i) {
1028 for (j = 0; j < width; j++) {
1029 *(fb++) = *(bmap++);
1030 *(fb++) = *(bmap++);
1031 *(fb++) = *(bmap++);
1032 *(fb++) = *(bmap++);
1034 fb -= (lcd_line_length + width * (bpix / 8));
1037 #endif /* CONFIG_BMP_32BPP */
1047 #ifdef CONFIG_SPLASH_SCREEN_PREPARE
1048 static inline int splash_screen_prepare(void)
1050 return board_splash_screen_prepare();
1053 static inline int splash_screen_prepare(void)
1059 static void *lcd_logo(void)
1061 #ifdef CONFIG_SPLASH_SCREEN
1064 static int do_splash = 1;
1066 if (do_splash && (s = getenv("splashimage")) != NULL) {
1070 if (splash_screen_prepare())
1071 return (void *)gd->fb_base;
1073 addr = simple_strtoul (s, NULL, 16);
1074 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1075 s = getenv("splashpos");
1078 x = BMP_ALIGN_CENTER;
1080 x = simple_strtol(s, NULL, 0);
1082 s = strchr(s + 1, ',');
1085 y = BMP_ALIGN_CENTER;
1087 y = simple_strtol (s + 1, NULL, 0);
1090 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1092 if (bmp_display(addr, x, y) == 0)
1093 return (void *)lcd_base;
1095 #endif /* CONFIG_SPLASH_SCREEN */
1099 #ifdef CONFIG_LCD_INFO
1100 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
1101 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
1102 lcd_show_board_info();
1103 #endif /* CONFIG_LCD_INFO */
1105 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1106 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length);
1108 return (void *)lcd_base;
1109 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
1112 #ifdef CONFIG_SPLASHIMAGE_GUARD
1113 static int on_splashimage(const char *name, const char *value, enum env_op op,
1119 if (op == env_op_delete)
1122 addr = simple_strtoul(value, NULL, 16);
1123 /* See README.displaying-bmps */
1124 aligned = (addr % 4 == 2);
1126 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1133 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
1136 void lcd_position_cursor(unsigned col, unsigned row)
1138 console_col = min(col, CONSOLE_COLS - 1);
1139 console_row = min(row, CONSOLE_ROWS - 1);
1142 int lcd_get_pixel_width(void)
1144 return panel_info.vl_col;
1147 int lcd_get_pixel_height(void)
1149 return panel_info.vl_row;
1152 int lcd_get_screen_rows(void)
1154 return CONSOLE_ROWS;
1157 int lcd_get_screen_columns(void)
1159 return CONSOLE_COLS;
1162 /************************************************************************/
1163 /************************************************************************/