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 DECLARE_GLOBAL_DATA_PTR;
77 ulong lcd_setmem (ulong addr);
79 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
80 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
81 static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
83 static int lcd_init (void *lcdbase);
85 static void *lcd_logo (void);
87 static int lcd_getbgcolor (void);
88 static void lcd_setfgcolor (int color);
89 static void lcd_setbgcolor (int color);
91 char lcd_is_enabled = 0;
93 #ifdef NOT_USED_SO_FAR
94 static void lcd_getcolreg (ushort regno,
95 ushort *red, ushort *green, ushort *blue);
96 static int lcd_getfgcolor (void);
97 #endif /* NOT_USED_SO_FAR */
99 /************************************************************************/
101 /*----------------------------------------------------------------------*/
103 static void console_scrollup (void)
105 /* Copy up rows ignoring the first one */
106 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
108 /* Clear the last one */
109 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
111 flush_dcache_range((unsigned long)CONSOLE_ROW_FIRST,
112 (unsigned long)CONSOLE_ROW_LAST + CONSOLE_ROW_SIZE);
115 /*----------------------------------------------------------------------*/
117 static inline void console_back (void)
119 if (--console_col < 0) {
120 console_col = CONSOLE_COLS-1 ;
121 if (--console_row < 0) {
126 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
127 console_row * VIDEO_FONT_HEIGHT,
131 /*----------------------------------------------------------------------*/
133 static inline void console_newline (void)
138 /* Check if we need to scroll the terminal */
139 if (console_row >= CONSOLE_ROWS) {
140 /* Scroll everything up */
141 console_scrollup () ;
146 /*----------------------------------------------------------------------*/
148 void lcd_putc (const char c)
150 if (!lcd_is_enabled) {
156 case '\r': console_col = 0;
159 case '\n': console_newline();
162 case '\t': /* Tab (8 chars alignment) */
166 if (console_col >= CONSOLE_COLS) {
171 case '\b': console_back();
174 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
175 console_row * VIDEO_FONT_HEIGHT,
177 if (++console_col >= CONSOLE_COLS) {
185 /*----------------------------------------------------------------------*/
187 void lcd_puts (const char *s)
189 if (!lcd_is_enabled) {
199 /*----------------------------------------------------------------------*/
201 void lcd_printf(const char *fmt, ...)
204 char buf[CONFIG_SYS_PBSIZE];
207 vsprintf(buf, fmt, args);
213 /************************************************************************/
214 /* ** Low-Level Graphics Routines */
215 /************************************************************************/
217 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
222 #if LCD_BPP == LCD_MONOCHROME
223 ushort off = x * (1 << LCD_BPP) % 8;
226 dest = lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8;
228 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
231 #if LCD_BPP == LCD_COLOR24
233 #elif LCD_BPP == LCD_COLOR16
239 #if LCD_BPP == LCD_MONOCHROME
240 uchar rest = *d & -(1 << (8-off));
243 for (i=0; i<count; ++i) {
247 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
249 #if LCD_BPP == LCD_MONOCHROME
250 sym = (COLOR_MASK(lcd_color_fg) & bits) |
251 (COLOR_MASK(lcd_color_bg) & ~bits);
253 *d++ = rest | (sym >> off);
254 rest = sym << (8-off);
256 for (c=0; c<8; ++c) {
257 *d++ = (bits & 0x80) ?
258 lcd_color_fg : lcd_color_bg;
263 #if LCD_BPP == LCD_MONOCHROME
264 *d = rest | (*d & ((1 << (8-off)) - 1));
269 /*----------------------------------------------------------------------*/
271 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
273 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
274 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
276 lcd_drawchars (x, y, s, strlen ((char *)s));
280 /*----------------------------------------------------------------------*/
282 static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
284 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
285 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
287 lcd_drawchars (x, y, &c, 1);
291 /************************************************************************/
292 /** Small utility to check that you got the colours right */
293 /************************************************************************/
294 #ifdef LCD_TEST_PATTERN
299 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
300 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
301 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
304 #if LCD_BPP == LCD_COLOR8
306 #elif LCD_BPP == LCD_COLOR16
307 typedef ushort pix_t;
308 #elif LCD_BPP == LCD_COLOR24
311 #error Unsupported pixelformat
314 static void test_pattern (void)
316 ushort v_max = panel_info.vl_row;
317 ushort h_max = panel_info.vl_col;
318 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
319 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
321 pix_t *pix = lcd_base;
323 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
324 h_max, v_max, h_step, v_step);
326 for (v = 0; v < v_max; v++) {
327 uchar iy = v / v_step;
328 for (h = 0; h < h_max; h++) {
329 uchar ix = N_BLK_HOR * iy + (h / h_step);
330 *pix++ = test_colors[ix];
334 #endif /* LCD_TEST_PATTERN */
337 /************************************************************************/
338 /* ** GENERIC Initialization Routines */
339 /************************************************************************/
341 int drv_lcd_init(void)
343 struct stdio_dev lcddev;
346 lcd_base = (void *)gd->fb_base;
348 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
350 lcd_init (lcd_base); /* LCD initialization */
352 /* Device initialization */
353 memset (&lcddev, 0, sizeof (lcddev));
355 strcpy (lcddev.name, "lcd");
356 lcddev.ext = 0; /* No extensions */
357 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
358 lcddev.putc = lcd_putc; /* 'putc' function */
359 lcddev.puts = lcd_puts; /* 'puts' function */
361 rc = stdio_register (&lcddev);
363 return (rc == 0) ? 1 : rc;
366 /*----------------------------------------------------------------------*/
368 int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
376 #if LCD_BPP == LCD_MONOCHROME
377 /* Setting the palette */
380 #elif LCD_BPP == LCD_COLOR8
381 /* Setting the palette */
382 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
383 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
384 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
385 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
386 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
387 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
388 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
389 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
390 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
393 #ifndef CONFIG_SYS_WHITE_ON_BLACK
394 lcd_setfgcolor (CONSOLE_COLOR_BLACK);
395 lcd_setbgcolor (CONSOLE_COLOR_WHITE);
397 lcd_setfgcolor (CONSOLE_COLOR_WHITE);
398 lcd_setbgcolor (CONSOLE_COLOR_BLACK);
399 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
401 #ifdef LCD_TEST_PATTERN
404 /* set framebuffer to background color */
406 COLOR_MASK(lcd_getbgcolor()),
407 lcd_line_length*panel_info.vl_row);
409 /* Paint the logo and retrieve LCD base address */
410 debug ("[LCD] Drawing the logo @ %p...\n", lcd_base);
411 lcd_console_address = lcd_logo ();
412 flush_dcache_range((unsigned long)lcd_base,
413 (unsigned long)lcd_base + lcd_line_length*panel_info.vl_row);
420 cls, 1, 1, do_lcd_clear,
425 /*----------------------------------------------------------------------*/
427 static int lcd_init (void *lcdbase)
429 /* Initialize the lcd controller */
430 debug ("[LCD] Initializing %ux%ux%u LCD framebuffer at %p\n",
431 panel_info.vl_col, panel_info.vl_row, NBITS(panel_info.vl_bpix),
434 lcd_ctrl_init (lcdbase);
439 /* Initialize the console */
441 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
442 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
444 console_row = 1; /* leave 1 blank line below logo */
451 /************************************************************************/
452 /* ** ROM capable initialization part - needed to reserve FB memory */
453 /************************************************************************/
455 * This is called early in the system initialization to grab memory
456 * for the LCD controller.
457 * Returns new address for monitor, after reserving LCD buffer memory
459 * Note that this is running from ROM, so no write access to global data.
461 ulong lcd_setmem (ulong addr)
464 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
466 debug ("LCD panel info: %d x %d, %d bit/pix\n",
467 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
469 size = line_length * panel_info.vl_row;
471 /* Round up to nearest full page */
472 size = ALIGN(size, PAGE_SIZE);
474 /* Allocate pages for the frame buffer. */
477 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
482 /*----------------------------------------------------------------------*/
484 static void lcd_setfgcolor (int color)
486 lcd_color_fg = color;
489 /*----------------------------------------------------------------------*/
491 static void lcd_setbgcolor (int color)
493 lcd_color_bg = color;
496 /*----------------------------------------------------------------------*/
498 #ifdef NOT_USED_SO_FAR
499 static int lcd_getfgcolor (void)
503 #endif /* NOT_USED_SO_FAR */
505 /*----------------------------------------------------------------------*/
507 static inline int lcd_getbgcolor (void)
512 /*----------------------------------------------------------------------*/
514 /************************************************************************/
515 /* ** Chipset depending Bitmap / Logo stuff... */
516 /************************************************************************/
517 #ifdef CONFIG_LCD_LOGO
518 void bitmap_plot (int x, int y)
520 #ifdef CONFIG_ATMEL_LCD
528 #if defined(CONFIG_CPU_PXA)
529 struct pxafb_info *fbi = &panel_info.pxa;
530 #elif defined(CONFIG_MPC823)
531 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
532 volatile cpm8xx_t *cp = &immr->im_cpm;
535 debug ("Logo: width %d height %d colors %d cmap %d\n",
536 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
537 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
539 bmap = &bmp_logo_bitmap[0];
540 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
542 if (NBITS(panel_info.vl_bpix) < 12) {
543 /* Leave room for default color map */
544 #if defined(CONFIG_CPU_PXA)
545 cmap = (ushort *)fbi->palette;
546 #elif defined(CONFIG_MPC823)
547 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
548 #elif defined(CONFIG_ATMEL_LCD)
549 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
552 * default case: generic system with no cmap (most likely 16bpp)
553 * We set cmap to the source palette, so no change is done.
554 * This avoids even more ifdef in the next stanza
556 cmap = bmp_logo_palette;
562 for (i = 0; i < sizeof(bmp_logo_palette) / sizeof(ushort); i++) {
563 ushort colreg = bmp_logo_palette[i];
564 #ifdef CONFIG_ATMEL_LCD
566 #ifdef CONFIG_ATMEL_LCD_BGR555
567 lut_entry = ((colreg & 0x000F) << 11) |
568 ((colreg & 0x00F0) << 2) |
569 ((colreg & 0x0F00) >> 7);
570 #else /* CONFIG_ATMEL_LCD_RGB565 */
571 lut_entry = ((colreg & 0x000F) << 1) |
572 ((colreg & 0x00F0) << 3) |
573 ((colreg & 0x0F00) << 4);
575 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
577 #else /* !CONFIG_ATMEL_LCD */
578 #ifdef CONFIG_SYS_INVERT_COLORS
579 *cmap++ = 0xffff - colreg;
583 #endif /* CONFIG_ATMEL_LCD */
588 for (i = 0; i < BMP_LOGO_HEIGHT; i++) {
589 memcpy (fb, bmap, BMP_LOGO_WIDTH);
590 bmap += BMP_LOGO_WIDTH;
591 fb += panel_info.vl_col;
593 } else if (NBITS(panel_info.vl_bpix) == 16) {
595 u16 *fb16 = lcd_base + y * lcd_line_length + x;
597 for (i = 0; i < BMP_LOGO_HEIGHT; i++) {
598 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
599 col16 = bmp_logo_palette[bmap[j] - 16];
601 ((col16 & 0x000F) << 1) |
602 ((col16 & 0x00F0) << 3) |
603 ((col16 & 0x0F00) << 4);
605 bmap += BMP_LOGO_WIDTH;
606 fb16 += panel_info.vl_col;
608 } else { /* true color mode */
610 u32 *fb32 = lcd_base + y * lcd_line_length + x;
612 for (i = 0; i < BMP_LOGO_HEIGHT; i++) {
613 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
614 col16 = bmp_logo_palette[bmap[j] - 16];
616 ((col16 & 0x000F) << 4) |
617 ((col16 & 0x00F0) << 8) |
618 ((col16 & 0x0F00) << 12);
620 bmap += BMP_LOGO_WIDTH;
621 fb32 += panel_info.vl_col;
624 flush_dcache_range((unsigned long)fb,
625 (unsigned long)fb + BMP_LOGO_HEIGHT * BMP_LOGO_WIDTH);
629 #endif /* CONFIG_LCD_LOGO */
631 /*----------------------------------------------------------------------*/
632 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
634 * Display the BMP file located at address bmp_image.
638 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
639 #define BMP_ALIGN_CENTER 0x7FFF
642 int lcd_display_bitmap(ulong bmp_image, int x, int y)
644 #if !defined(CONFIG_MCC200)
647 ushort *cmap_base = NULL;
650 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
653 int width, height, byte_width;
654 int pwidth = panel_info.vl_col;
655 unsigned long long colors;
656 unsigned bpix, bmp_bpix;
657 #if defined(CONFIG_CPU_PXA)
658 struct pxafb_info *fbi = &panel_info.pxa;
659 #elif defined(CONFIG_MPC823)
660 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
661 volatile cpm8xx_t *cp = &(immr->im_cpm);
664 if (!((bmp->header.signature[0]=='B') &&
665 (bmp->header.signature[1]=='M'))) {
666 printf ("Error: no valid bmp image at %lx\n", bmp_image);
670 width = le32_to_cpu (bmp->header.width);
671 height = le32_to_cpu (bmp->header.height);
672 bmp_bpix = le16_to_cpu(bmp->header.bit_count);
673 colors = 1ULL << bmp_bpix;
675 bpix = NBITS(panel_info.vl_bpix);
677 if ((bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) ||
679 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
684 /* We support displaying 8bpp BMPs on 16bpp or 32bpp LCDs */
685 if (bpix != bmp_bpix && (bmp_bpix != 8 || (bpix != 16 && bpix != 32))) {
686 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
688 le16_to_cpu(bmp->header.bit_count));
692 debug ("Display-bmp: %u x %u with %llu colors\n",
693 width, height, colors);
695 #if !defined(CONFIG_MCC200)
696 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
698 #if defined(CONFIG_CPU_PXA)
699 cmap = (ushort *)fbi->palette;
700 #elif defined(CONFIG_MPC823)
701 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
702 #elif !defined(CONFIG_ATMEL_LCD)
703 cmap = panel_info.cmap;
709 for (i = 0; i < colors; i++) {
710 bmp_color_table_entry_t cte = bmp->color_table[i];
711 #if !defined(CONFIG_ATMEL_LCD)
713 ( ((cte.red) << 8) & 0xf800) |
714 ( ((cte.green) << 3) & 0x07e0) |
715 ( ((cte.blue) >> 3) & 0x001f) ;
716 #ifdef CONFIG_SYS_INVERT_COLORS
717 *cmap = 0xffff - colreg;
721 #if defined(CONFIG_MPC823)
726 #else /* CONFIG_ATMEL_LCD */
727 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
734 * BMP format for Monochrome assumes that the state of a
735 * pixel is described on a per Bit basis, not per Byte.
736 * So, in case of Monochrome BMP we should align widths
737 * on a byte boundary and convert them from Bit to Byte
739 * Probably, PXA250 and MPC823 process 1bpp BMP images in
740 * their own ways, so make the converting to be MCC200
743 #if defined(CONFIG_MCC200)
746 width = ALIGN(width, 8) >> 3;
747 x = ALIGN(x, 8) >> 3;
748 pwidth= ALIGN(pwidth, 8) >> 3;
752 padded_line = ALIGN(width, 4);
754 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
755 if (x == BMP_ALIGN_CENTER)
756 x = max(0, (pwidth - width) / 2);
758 x = max(0, pwidth - width + x + 1);
760 if (y == BMP_ALIGN_CENTER)
761 y = max(0, (panel_info.vl_row - height) / 2);
763 y = max(0, panel_info.vl_row - height + y + 1);
764 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
765 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
767 if ((x + width) > pwidth)
768 width = max(pwidth - x, pwidth);
769 if ((y + height) > panel_info.vl_row) {
770 height = panel_info.vl_row - y;
771 bmap += (panel_info.vl_row - y) * padded_line;
774 fb = (uchar *) (lcd_base +
775 (y + height - 1) * lcd_line_length + x * bpix / 8);
777 case 1: /* pass through */
780 byte_width = width * 4;
782 byte_width = width * 2;
785 for (i = 0; i < height; i++) {
787 for (j = 0; j < width; j++) {
792 fb[0] = bmp->color_table[i].blue;
793 fb[1] = bmp->color_table[i].green;
794 fb[2] = bmp->color_table[i].red;
795 fb += sizeof(uint32_t) / sizeof(*fb);
796 } else if (bpix == 16) {
797 *(uint16_t *)fb = cmap_base[*(bmap++)];
798 fb += sizeof(uint16_t) / sizeof(*fb);
800 #if defined(CONFIG_CPU_PXA) || defined(CONFIG_ATMEL_LCD)
802 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
803 *(fb++) = 255 - *(bmap++);
807 bmap += padded_line - width;
808 fb -= byte_width + lcd_line_length;
812 #if defined(CONFIG_BMP_16BPP)
814 for (i = 0; i < height; i++) {
816 for (j = 0; j < width; j++) {
817 #if defined(CONFIG_ATMEL_LCD_BGR555)
818 *(fb++) = ((bmap[0] & 0x1f) << 2) |
820 *(fb++) = (bmap[0] & 0xe0) |
821 ((bmap[1] & 0x7c) >> 2);
828 bmap += (padded_line - width) * 2;
829 fb -= width * 2 + lcd_line_length;
832 #endif /* CONFIG_BMP_16BPP */
834 for (i = 0; i < height; i++) {
836 for (j = 0; j < width; j++) {
837 fb[3] = *bmap++; /* T */
838 fb[0] = *bmap++; /* B */
839 fb[1] = *bmap++; /* G */
840 fb[2] = *bmap++; /* R */
843 bmap += (padded_line - width) * 4;
844 fb -= width * 4 + lcd_line_length;
853 static void *lcd_logo (void)
855 #ifdef CONFIG_SPLASH_SCREEN
858 static int do_splash = 1;
860 if (do_splash && (s = getenv("splashimage")) != NULL) {
866 addr = simple_strtoul (s, &end, 16);
867 if (addr == 0 || *end != '\0')
869 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
870 if ((s = getenv ("splashpos")) != NULL) {
872 x = BMP_ALIGN_CENTER;
874 x = simple_strtol (s, NULL, 0);
876 if ((s = strchr (s + 1, ',')) != NULL) {
878 y = BMP_ALIGN_CENTER;
880 y = simple_strtol (s + 1, NULL, 0);
883 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
885 #ifdef CONFIG_VIDEO_BMP_GZIP
886 bmp_image_t *bmp = (bmp_image_t *)addr;
889 if (!((bmp->header.signature[0]=='B') &&
890 (bmp->header.signature[1]=='M'))) {
891 addr = (ulong)gunzip_bmp(addr, &len);
895 if (lcd_display_bitmap (addr, x, y) == 0) {
899 #endif /* CONFIG_SPLASH_SCREEN */
901 #ifdef CONFIG_LCD_LOGO
903 #endif /* CONFIG_LCD_LOGO */
905 #ifdef CONFIG_LCD_INFO
906 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
907 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
908 lcd_show_board_info();
909 #endif /* CONFIG_LCD_INFO */
911 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
912 return lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
915 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
918 /************************************************************************/
919 /************************************************************************/