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;
105 char lcd_is_enabled = 0;
107 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */
110 #ifdef NOT_USED_SO_FAR
111 static void lcd_getcolreg(ushort regno,
112 ushort *red, ushort *green, ushort *blue);
113 static int lcd_getfgcolor(void);
114 #endif /* NOT_USED_SO_FAR */
116 /************************************************************************/
118 /* Flush LCD activity to the caches */
122 * flush_dcache_range() is declared in common.h but it seems that some
123 * architectures do not actually implement it. Is there a way to find
124 * out whether it exists? For now, ARM is safe.
126 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
129 if (lcd_flush_dcache)
130 flush_dcache_range((u32)lcd_base,
131 (u32)(lcd_base + lcd_get_size(&line_length)));
135 void lcd_set_flush_dcache(int flush)
137 lcd_flush_dcache = (flush != 0);
140 /*----------------------------------------------------------------------*/
142 static void console_scrollup(void)
144 const int rows = CONFIG_CONSOLE_SCROLL_LINES;
146 /* Copy up rows ignoring those that will be overwritten */
147 memcpy(CONSOLE_ROW_FIRST,
148 lcd_console_address + CONSOLE_ROW_SIZE * rows,
149 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows);
151 /* Clear the last rows */
152 memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows,
153 COLOR_MASK(lcd_color_bg),
154 CONSOLE_ROW_SIZE * rows);
160 /*----------------------------------------------------------------------*/
162 static inline void console_back(void)
164 if (--console_col < 0) {
165 console_col = CONSOLE_COLS-1 ;
166 if (--console_row < 0) {
171 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
172 console_row * VIDEO_FONT_HEIGHT, ' ');
175 /*----------------------------------------------------------------------*/
177 static inline void console_newline(void)
182 /* Check if we need to scroll the terminal */
183 if (console_row >= CONSOLE_ROWS) {
184 /* Scroll everything up */
191 /*----------------------------------------------------------------------*/
193 void lcd_putc(const char c)
195 if (!lcd_is_enabled) {
210 case '\t': /* Tab (8 chars alignment) */
214 if (console_col >= CONSOLE_COLS)
223 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH,
224 console_row * VIDEO_FONT_HEIGHT, c);
225 if (++console_col >= CONSOLE_COLS)
230 /*----------------------------------------------------------------------*/
232 void lcd_puts(const char *s)
234 if (!lcd_is_enabled) {
246 /*----------------------------------------------------------------------*/
248 void lcd_printf(const char *fmt, ...)
251 char buf[CONFIG_SYS_PBSIZE];
254 vsprintf(buf, fmt, args);
260 /************************************************************************/
261 /* ** Low-Level Graphics Routines */
262 /************************************************************************/
264 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count)
269 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
270 y += BMP_LOGO_HEIGHT;
273 #if LCD_BPP == LCD_MONOCHROME
274 ushort off = x * (1 << LCD_BPP) % 8;
277 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
279 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
282 #if LCD_BPP == LCD_COLOR16
283 ushort *d = (ushort *)dest;
288 #if LCD_BPP == LCD_MONOCHROME
289 uchar rest = *d & -(1 << (8-off));
292 for (i = 0; i < count; ++i) {
296 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
298 #if LCD_BPP == LCD_MONOCHROME
299 sym = (COLOR_MASK(lcd_color_fg) & bits) |
300 (COLOR_MASK(lcd_color_bg) & ~bits);
302 *d++ = rest | (sym >> off);
303 rest = sym << (8-off);
304 #elif LCD_BPP == LCD_COLOR8
305 for (c = 0; c < 8; ++c) {
306 *d++ = (bits & 0x80) ?
307 lcd_color_fg : lcd_color_bg;
310 #elif LCD_BPP == LCD_COLOR16
311 for (c = 0; c < 8; ++c) {
312 *d++ = (bits & 0x80) ?
313 lcd_color_fg : lcd_color_bg;
318 #if LCD_BPP == LCD_MONOCHROME
319 *d = rest | (*d & ((1 << (8-off)) - 1));
324 /*----------------------------------------------------------------------*/
326 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s)
328 lcd_drawchars(x, y, s, strlen((char *)s));
331 /*----------------------------------------------------------------------*/
333 static inline void lcd_putc_xy(ushort x, ushort y, uchar c)
335 lcd_drawchars(x, y, &c, 1);
338 /************************************************************************/
339 /** Small utility to check that you got the colours right */
340 /************************************************************************/
341 #ifdef LCD_TEST_PATTERN
346 static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
347 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
348 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
351 static void test_pattern(void)
353 ushort v_max = panel_info.vl_row;
354 ushort h_max = panel_info.vl_col;
355 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
356 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
358 uchar *pix = (uchar *)lcd_base;
360 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
361 h_max, v_max, h_step, v_step);
363 /* WARNING: Code silently assumes 8bit/pixel */
364 for (v = 0; v < v_max; ++v) {
365 uchar iy = v / v_step;
366 for (h = 0; h < h_max; ++h) {
367 uchar ix = N_BLK_HOR * iy + (h/h_step);
368 *pix++ = test_colors[ix];
372 #endif /* LCD_TEST_PATTERN */
375 /************************************************************************/
376 /* ** GENERIC Initialization Routines */
377 /************************************************************************/
379 int lcd_get_size(int *line_length)
381 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
382 return *line_length * panel_info.vl_row;
385 int drv_lcd_init (void)
387 struct stdio_dev lcddev;
390 lcd_base = (void *)(gd->fb_base);
392 lcd_get_size(&lcd_line_length);
394 lcd_init(lcd_base); /* LCD initialization */
396 /* Device initialization */
397 memset(&lcddev, 0, sizeof(lcddev));
399 strcpy(lcddev.name, "lcd");
400 lcddev.ext = 0; /* No extensions */
401 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
402 lcddev.putc = lcd_putc; /* 'putc' function */
403 lcddev.puts = lcd_puts; /* 'puts' function */
405 rc = stdio_register (&lcddev);
407 return (rc == 0) ? 1 : rc;
410 /*----------------------------------------------------------------------*/
413 #if LCD_BPP == LCD_MONOCHROME
414 /* Setting the palette */
417 #elif LCD_BPP == LCD_COLOR8
418 /* Setting the palette */
419 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
420 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
421 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
422 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
423 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
424 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
425 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
426 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
427 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
430 #ifndef CONFIG_SYS_WHITE_ON_BLACK
431 lcd_setfgcolor(CONSOLE_COLOR_BLACK);
432 lcd_setbgcolor(CONSOLE_COLOR_WHITE);
434 lcd_setfgcolor(CONSOLE_COLOR_WHITE);
435 lcd_setbgcolor(CONSOLE_COLOR_BLACK);
436 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
438 #ifdef LCD_TEST_PATTERN
441 /* set framebuffer to background color */
442 memset((char *)lcd_base,
443 COLOR_MASK(lcd_getbgcolor()),
444 lcd_line_length*panel_info.vl_row);
446 /* Paint the logo and retrieve LCD base address */
447 debug("[LCD] Drawing the logo...\n");
448 lcd_console_address = lcd_logo ();
455 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
463 cls, 1, 1, do_lcd_clear,
468 /*----------------------------------------------------------------------*/
470 static int lcd_init(void *lcdbase)
472 /* Initialize the lcd controller */
473 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
475 lcd_ctrl_init(lcdbase);
480 /* Initialize the console */
482 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
483 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
485 console_row = 1; /* leave 1 blank line below logo */
492 /************************************************************************/
493 /* ** ROM capable initialization part - needed to reserve FB memory */
494 /************************************************************************/
496 * This is called early in the system initialization to grab memory
497 * for the LCD controller.
498 * Returns new address for monitor, after reserving LCD buffer memory
500 * Note that this is running from ROM, so no write access to global data.
502 ulong lcd_setmem(ulong addr)
507 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
508 panel_info.vl_row, NBITS(panel_info.vl_bpix));
510 size = lcd_get_size(&line_length);
512 /* Round up to nearest full page, or MMU section if defined */
513 size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
514 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
516 /* Allocate pages for the frame buffer. */
519 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
524 /*----------------------------------------------------------------------*/
526 static void lcd_setfgcolor(int color)
528 lcd_color_fg = color;
531 /*----------------------------------------------------------------------*/
533 static void lcd_setbgcolor(int color)
535 lcd_color_bg = color;
538 /*----------------------------------------------------------------------*/
540 int lcd_getfgcolor(void)
545 /*----------------------------------------------------------------------*/
547 static int lcd_getbgcolor(void)
552 /*----------------------------------------------------------------------*/
554 /************************************************************************/
555 /* ** Chipset depending Bitmap / Logo stuff... */
556 /************************************************************************/
557 static inline ushort *configuration_get_cmap(void)
559 #if defined CONFIG_CPU_PXA
560 struct pxafb_info *fbi = &panel_info.pxa;
561 return (ushort *)fbi->palette;
562 #elif defined(CONFIG_MPC823)
563 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
564 cpm8xx_t *cp = &(immr->im_cpm);
565 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
566 #elif defined(CONFIG_ATMEL_LCD)
567 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
568 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
569 return panel_info.cmap;
571 #if defined(CONFIG_LCD_LOGO)
572 return bmp_logo_palette;
579 #ifdef CONFIG_LCD_LOGO
580 void bitmap_plot(int x, int y)
582 #ifdef CONFIG_ATMEL_LCD
583 uint *cmap = (uint *)bmp_logo_palette;
585 ushort *cmap = (ushort *)bmp_logo_palette;
591 #if defined(CONFIG_MPC823)
592 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
593 cpm8xx_t *cp = &(immr->im_cpm);
596 debug("Logo: width %d height %d colors %d cmap %d\n",
597 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
598 ARRAY_SIZE(bmp_logo_palette));
600 bmap = &bmp_logo_bitmap[0];
601 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
603 if (NBITS(panel_info.vl_bpix) < 12) {
604 /* Leave room for default color map
605 * default case: generic system with no cmap (most likely 16bpp)
606 * cmap was set to the source palette, so no change is done.
607 * This avoids even more ifdefs in the next stanza
609 #if defined(CONFIG_MPC823)
610 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]);
611 #elif defined(CONFIG_ATMEL_LCD)
612 cmap = (uint *)configuration_get_cmap();
614 cmap = configuration_get_cmap();
620 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) {
621 ushort colreg = bmp_logo_palette[i];
622 #ifdef CONFIG_ATMEL_LCD
624 #ifdef CONFIG_ATMEL_LCD_BGR555
625 lut_entry = ((colreg & 0x000F) << 11) |
626 ((colreg & 0x00F0) << 2) |
627 ((colreg & 0x0F00) >> 7);
628 #else /* CONFIG_ATMEL_LCD_RGB565 */
629 lut_entry = ((colreg & 0x000F) << 1) |
630 ((colreg & 0x00F0) << 3) |
631 ((colreg & 0x0F00) << 4);
633 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
635 #else /* !CONFIG_ATMEL_LCD */
636 #ifdef CONFIG_SYS_INVERT_COLORS
637 *cmap++ = 0xffff - colreg;
641 #endif /* CONFIG_ATMEL_LCD */
646 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
647 memcpy(fb, bmap, BMP_LOGO_WIDTH);
648 bmap += BMP_LOGO_WIDTH;
649 fb += panel_info.vl_col;
652 else { /* true color mode */
654 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
655 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
656 for (j = 0; j < BMP_LOGO_WIDTH; j++) {
657 col16 = bmp_logo_palette[(bmap[j]-16)];
659 ((col16 & 0x000F) << 1) |
660 ((col16 & 0x00F0) << 3) |
661 ((col16 & 0x0F00) << 4);
663 bmap += BMP_LOGO_WIDTH;
664 fb16 += panel_info.vl_col;
672 static inline void bitmap_plot(int x, int y) {}
673 #endif /* CONFIG_LCD_LOGO */
675 /*----------------------------------------------------------------------*/
676 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
678 * Display the BMP file located at address bmp_image.
682 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
683 #define BMP_ALIGN_CENTER 0x7FFF
685 static void splash_align_axis(int *axis, unsigned long panel_size,
686 unsigned long picture_size)
688 unsigned long panel_picture_delta = panel_size - picture_size;
689 unsigned long axis_alignment;
691 if (*axis == BMP_ALIGN_CENTER)
692 axis_alignment = panel_picture_delta / 2;
694 axis_alignment = panel_picture_delta + *axis + 1;
698 *axis = max(0, axis_alignment);
703 #ifdef CONFIG_LCD_BMP_RLE8
705 #define BMP_RLE8_ESCAPE 0
706 #define BMP_RLE8_EOL 0
707 #define BMP_RLE8_EOBMP 1
708 #define BMP_RLE8_DELTA 2
710 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
714 *(*fbp)++ = cmap[*bmap++];
719 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
722 int cnt_8copy = cnt >> 3;
724 cnt -= cnt_8copy << 3;
725 while (cnt_8copy > 0) {
744 * Do not call this function directly, must be called from
745 * lcd_display_bitmap.
747 static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb,
748 int x_off, int y_off)
756 width = le32_to_cpu(bmp->header.width);
757 height = le32_to_cpu(bmp->header.height);
758 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
764 if (bmap[0] == BMP_RLE8_ESCAPE) {
771 /* 16bpix, 2-byte per pixel, width should *2 */
772 fb -= (width * 2 + lcd_line_length);
782 /* 16bpix, 2-byte per pixel, x should *2 */
783 fb = (uchar *) (lcd_base + (y + y_off - 1)
784 * lcd_line_length + (x + x_off) * 2);
793 if (x + runlen > width)
797 draw_unencoded_bitmap(
812 /* aggregate the same code */
813 while (bmap[0] == 0xff &&
814 bmap[2] != BMP_RLE8_ESCAPE &&
815 bmap[1] == bmap[3]) {
819 if (x + runlen > width)
823 draw_encoded_bitmap((ushort **)&fb,
834 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
835 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
837 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
840 #if defined(CONFIG_BMP_16BPP)
841 #if defined(CONFIG_ATMEL_LCD_BGR555)
842 static inline void fb_put_word(uchar **fb, uchar **from)
844 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03);
845 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2);
849 static inline void fb_put_word(uchar **fb, uchar **from)
851 *(*fb)++ = *(*from)++;
852 *(*fb)++ = *(*from)++;
855 #endif /* CONFIG_BMP_16BPP */
857 int lcd_display_bitmap(ulong bmp_image, int x, int y)
859 #if !defined(CONFIG_MCC200)
862 ushort *cmap_base = NULL;
865 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
868 unsigned long width, height, byte_width;
869 unsigned long pwidth = panel_info.vl_col;
870 unsigned colors, bpix, bmp_bpix;
872 if (!bmp || !((bmp->header.signature[0] == 'B') &&
873 (bmp->header.signature[1] == 'M'))) {
874 printf("Error: no valid bmp image at %lx\n", bmp_image);
879 width = le32_to_cpu(bmp->header.width);
880 height = le32_to_cpu(bmp->header.height);
881 bmp_bpix = le16_to_cpu(bmp->header.bit_count);
882 colors = 1 << bmp_bpix;
884 bpix = NBITS(panel_info.vl_bpix);
886 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) {
887 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
893 /* We support displaying 8bpp BMPs on 16bpp LCDs */
894 if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) {
895 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
897 le16_to_cpu(bmp->header.bit_count));
902 debug("Display-bmp: %d x %d with %d colors\n",
903 (int)width, (int)height, (int)colors);
905 #if !defined(CONFIG_MCC200)
906 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
908 cmap = configuration_get_cmap();
912 for (i = 0; i < colors; ++i) {
913 bmp_color_table_entry_t cte = bmp->color_table[i];
914 #if !defined(CONFIG_ATMEL_LCD)
916 ( ((cte.red) << 8) & 0xf800) |
917 ( ((cte.green) << 3) & 0x07e0) |
918 ( ((cte.blue) >> 3) & 0x001f) ;
919 #ifdef CONFIG_SYS_INVERT_COLORS
920 *cmap = 0xffff - colreg;
924 #if defined(CONFIG_MPC823)
929 #else /* CONFIG_ATMEL_LCD */
930 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
937 * BMP format for Monochrome assumes that the state of a
938 * pixel is described on a per Bit basis, not per Byte.
939 * So, in case of Monochrome BMP we should align widths
940 * on a byte boundary and convert them from Bit to Byte
942 * Probably, PXA250 and MPC823 process 1bpp BMP images in
943 * their own ways, so make the converting to be MCC200
946 #if defined(CONFIG_MCC200)
948 width = ((width + 7) & ~7) >> 3;
949 x = ((x + 7) & ~7) >> 3;
950 pwidth= ((pwidth + 7) & ~7) >> 3;
954 padded_width = (width&0x3) ? ((width&~0x3)+4) : (width);
956 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
957 splash_align_axis(&x, pwidth, width);
958 splash_align_axis(&y, panel_info.vl_row, height);
959 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
961 if ((x + width) > pwidth)
963 if ((y + height) > panel_info.vl_row)
964 height = panel_info.vl_row - y;
966 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset);
967 fb = (uchar *) (lcd_base +
968 (y + height - 1) * lcd_line_length + x * bpix / 8);
971 case 1: /* pass through */
973 #ifdef CONFIG_LCD_BMP_RLE8
974 if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) {
976 /* TODO implement render code for bpix != 16 */
977 printf("Error: only support 16 bpix");
980 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
988 byte_width = width * 2;
990 for (i = 0; i < height; ++i) {
992 for (j = 0; j < width; j++) {
994 FB_PUT_BYTE(fb, bmap);
996 *(uint16_t *)fb = cmap_base[*(bmap++)];
997 fb += sizeof(uint16_t) / sizeof(*fb);
1000 bmap += (padded_width - width);
1001 fb -= (byte_width + lcd_line_length);
1005 #if defined(CONFIG_BMP_16BPP)
1007 for (i = 0; i < height; ++i) {
1009 for (j = 0; j < width; j++)
1010 fb_put_word(&fb, &bmap);
1012 bmap += (padded_width - width) * 2;
1013 fb -= (width * 2 + lcd_line_length);
1016 #endif /* CONFIG_BMP_16BPP */
1018 #if defined(CONFIG_BMP_32BPP)
1020 for (i = 0; i < height; ++i) {
1021 for (j = 0; j < width; j++) {
1022 *(fb++) = *(bmap++);
1023 *(fb++) = *(bmap++);
1024 *(fb++) = *(bmap++);
1025 *(fb++) = *(bmap++);
1027 fb -= (lcd_line_length + width * (bpix / 8));
1030 #endif /* CONFIG_BMP_32BPP */
1040 #ifdef CONFIG_SPLASH_SCREEN_PREPARE
1041 static inline int splash_screen_prepare(void)
1043 return board_splash_screen_prepare();
1046 static inline int splash_screen_prepare(void)
1052 static void *lcd_logo(void)
1054 #ifdef CONFIG_SPLASH_SCREEN
1057 static int do_splash = 1;
1059 if (do_splash && (s = getenv("splashimage")) != NULL) {
1063 if (splash_screen_prepare())
1064 return (void *)gd->fb_base;
1066 addr = simple_strtoul (s, NULL, 16);
1067 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1068 s = getenv("splashpos");
1071 x = BMP_ALIGN_CENTER;
1073 x = simple_strtol(s, NULL, 0);
1075 s = strchr(s + 1, ',');
1078 y = BMP_ALIGN_CENTER;
1080 y = simple_strtol (s + 1, NULL, 0);
1083 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1085 if (bmp_display(addr, x, y) == 0)
1086 return (void *)lcd_base;
1088 #endif /* CONFIG_SPLASH_SCREEN */
1092 #ifdef CONFIG_LCD_INFO
1093 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
1094 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
1095 lcd_show_board_info();
1096 #endif /* CONFIG_LCD_INFO */
1098 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1099 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length);
1101 return (void *)lcd_base;
1102 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
1105 #ifdef CONFIG_SPLASHIMAGE_GUARD
1106 static int on_splashimage(const char *name, const char *value, enum env_op op,
1112 if (op == env_op_delete)
1115 addr = simple_strtoul(value, NULL, 16);
1116 /* See README.displaying-bmps */
1117 aligned = (addr % 4 == 2);
1119 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1126 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
1129 void lcd_position_cursor(unsigned col, unsigned row)
1131 console_col = min(col, CONSOLE_COLS - 1);
1132 console_row = min(row, CONSOLE_ROWS - 1);
1135 int lcd_get_pixel_width(void)
1137 return panel_info.vl_col;
1140 int lcd_get_pixel_height(void)
1142 return panel_info.vl_row;
1145 int lcd_get_screen_rows(void)
1147 return CONSOLE_ROWS;
1150 int lcd_get_screen_columns(void)
1152 return CONSOLE_COLS;
1155 /************************************************************************/
1156 /************************************************************************/