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
= (uchar
*)(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_COLOR16
278 ushort
*d
= (ushort
*)dest
;
283 #if LCD_BPP == LCD_MONOCHROME
284 uchar rest
= *d
& -(1 << (8-off
));
287 for (i
= 0; i
< count
; ++i
) {
291 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
293 #if LCD_BPP == LCD_MONOCHROME
294 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
295 (COLOR_MASK(lcd_color_bg
) & ~bits
);
297 *d
++ = rest
| (sym
>> off
);
298 rest
= sym
<< (8-off
);
299 #elif LCD_BPP == LCD_COLOR8
300 for (c
= 0; c
< 8; ++c
) {
301 *d
++ = (bits
& 0x80) ?
302 lcd_color_fg
: lcd_color_bg
;
305 #elif LCD_BPP == LCD_COLOR16
306 for (c
= 0; c
< 8; ++c
) {
307 *d
++ = (bits
& 0x80) ?
308 lcd_color_fg
: lcd_color_bg
;
313 #if LCD_BPP == LCD_MONOCHROME
314 *d
= rest
| (*d
& ((1 << (8-off
)) - 1));
319 /*----------------------------------------------------------------------*/
321 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
)
323 lcd_drawchars(x
, y
, s
, strlen((char *)s
));
326 /*----------------------------------------------------------------------*/
328 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
)
330 lcd_drawchars(x
, y
, &c
, 1);
333 /************************************************************************/
334 /** Small utility to check that you got the colours right */
335 /************************************************************************/
336 #ifdef LCD_TEST_PATTERN
341 static int test_colors
[N_BLK_HOR
*N_BLK_VERT
] = {
342 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
343 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
346 static void test_pattern(void)
348 ushort v_max
= panel_info
.vl_row
;
349 ushort h_max
= panel_info
.vl_col
;
350 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
351 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
353 uchar
*pix
= (uchar
*)lcd_base
;
355 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
356 h_max
, v_max
, h_step
, v_step
);
358 /* WARNING: Code silently assumes 8bit/pixel */
359 for (v
= 0; v
< v_max
; ++v
) {
360 uchar iy
= v
/ v_step
;
361 for (h
= 0; h
< h_max
; ++h
) {
362 uchar ix
= N_BLK_HOR
* iy
+ (h
/h_step
);
363 *pix
++ = test_colors
[ix
];
367 #endif /* LCD_TEST_PATTERN */
370 /************************************************************************/
371 /* ** GENERIC Initialization Routines */
372 /************************************************************************/
374 int lcd_get_size(int *line_length
)
376 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
377 return *line_length
* panel_info
.vl_row
;
380 int drv_lcd_init (void)
382 struct stdio_dev lcddev
;
385 lcd_base
= (void *)(gd
->fb_base
);
387 lcd_get_size(&lcd_line_length
);
389 lcd_init(lcd_base
); /* LCD initialization */
391 /* Device initialization */
392 memset(&lcddev
, 0, sizeof(lcddev
));
394 strcpy(lcddev
.name
, "lcd");
395 lcddev
.ext
= 0; /* No extensions */
396 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
397 lcddev
.putc
= lcd_putc
; /* 'putc' function */
398 lcddev
.puts
= lcd_puts
; /* 'puts' function */
400 rc
= stdio_register (&lcddev
);
402 return (rc
== 0) ? 1 : rc
;
405 /*----------------------------------------------------------------------*/
408 #if LCD_BPP == LCD_MONOCHROME
409 /* Setting the palette */
412 #elif LCD_BPP == LCD_COLOR8
413 /* Setting the palette */
414 lcd_setcolreg(CONSOLE_COLOR_BLACK
, 0, 0, 0);
415 lcd_setcolreg(CONSOLE_COLOR_RED
, 0xFF, 0, 0);
416 lcd_setcolreg(CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
417 lcd_setcolreg(CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
418 lcd_setcolreg(CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
419 lcd_setcolreg(CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
420 lcd_setcolreg(CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
421 lcd_setcolreg(CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
422 lcd_setcolreg(CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
425 #ifndef CONFIG_SYS_WHITE_ON_BLACK
426 lcd_setfgcolor(CONSOLE_COLOR_BLACK
);
427 lcd_setbgcolor(CONSOLE_COLOR_WHITE
);
429 lcd_setfgcolor(CONSOLE_COLOR_WHITE
);
430 lcd_setbgcolor(CONSOLE_COLOR_BLACK
);
431 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
433 #ifdef LCD_TEST_PATTERN
436 /* set framebuffer to background color */
437 memset((char *)lcd_base
,
438 COLOR_MASK(lcd_getbgcolor()),
439 lcd_line_length
*panel_info
.vl_row
);
441 /* Paint the logo and retrieve LCD base address */
442 debug("[LCD] Drawing the logo...\n");
443 lcd_console_address
= lcd_logo ();
450 static int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
458 cls
, 1, 1, do_lcd_clear
,
463 /*----------------------------------------------------------------------*/
465 static int lcd_init(void *lcdbase
)
467 /* Initialize the lcd controller */
468 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
470 lcd_ctrl_init(lcdbase
);
475 /* Initialize the console */
477 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
478 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
480 console_row
= 1; /* leave 1 blank line below logo */
487 /************************************************************************/
488 /* ** ROM capable initialization part - needed to reserve FB memory */
489 /************************************************************************/
491 * This is called early in the system initialization to grab memory
492 * for the LCD controller.
493 * Returns new address for monitor, after reserving LCD buffer memory
495 * Note that this is running from ROM, so no write access to global data.
497 ulong
lcd_setmem(ulong addr
)
502 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
503 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
505 size
= lcd_get_size(&line_length
);
507 /* Round up to nearest full page, or MMU section if defined */
508 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
509 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
511 /* Allocate pages for the frame buffer. */
514 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size
>>10, addr
);
519 /*----------------------------------------------------------------------*/
521 static void lcd_setfgcolor(int color
)
523 lcd_color_fg
= color
;
526 /*----------------------------------------------------------------------*/
528 static void lcd_setbgcolor(int color
)
530 lcd_color_bg
= color
;
533 /*----------------------------------------------------------------------*/
535 #ifdef NOT_USED_SO_FAR
536 static int lcd_getfgcolor(void)
540 #endif /* NOT_USED_SO_FAR */
542 /*----------------------------------------------------------------------*/
544 static int lcd_getbgcolor(void)
549 /*----------------------------------------------------------------------*/
551 /************************************************************************/
552 /* ** Chipset depending Bitmap / Logo stuff... */
553 /************************************************************************/
554 static inline ushort
*configuration_get_cmap(void)
556 #if defined CONFIG_CPU_PXA
557 struct pxafb_info
*fbi
= &panel_info
.pxa
;
558 return (ushort
*)fbi
->palette
;
559 #elif defined(CONFIG_MPC823)
560 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
561 cpm8xx_t
*cp
= &(immr
->im_cpm
);
562 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
563 #elif defined(CONFIG_ATMEL_LCD)
564 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
565 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
566 return panel_info
.cmap
;
568 #if defined(CONFIG_LCD_LOGO)
569 return bmp_logo_palette
;
576 #ifdef CONFIG_LCD_LOGO
577 void bitmap_plot(int x
, int y
)
579 #ifdef CONFIG_ATMEL_LCD
580 uint
*cmap
= (uint
*)bmp_logo_palette
;
582 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
588 #if defined(CONFIG_MPC823)
589 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
590 cpm8xx_t
*cp
= &(immr
->im_cpm
);
593 debug("Logo: width %d height %d colors %d cmap %d\n",
594 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
595 ARRAY_SIZE(bmp_logo_palette
));
597 bmap
= &bmp_logo_bitmap
[0];
598 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
);
600 if (NBITS(panel_info
.vl_bpix
) < 12) {
601 /* Leave room for default color map
602 * default case: generic system with no cmap (most likely 16bpp)
603 * cmap was set to the source palette, so no change is done.
604 * This avoids even more ifdefs in the next stanza
606 #if defined(CONFIG_MPC823)
607 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
608 #elif defined(CONFIG_ATMEL_LCD)
609 cmap
= (uint
*)configuration_get_cmap();
611 cmap
= configuration_get_cmap();
617 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
618 ushort colreg
= bmp_logo_palette
[i
];
619 #ifdef CONFIG_ATMEL_LCD
621 #ifdef CONFIG_ATMEL_LCD_BGR555
622 lut_entry
= ((colreg
& 0x000F) << 11) |
623 ((colreg
& 0x00F0) << 2) |
624 ((colreg
& 0x0F00) >> 7);
625 #else /* CONFIG_ATMEL_LCD_RGB565 */
626 lut_entry
= ((colreg
& 0x000F) << 1) |
627 ((colreg
& 0x00F0) << 3) |
628 ((colreg
& 0x0F00) << 4);
630 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
632 #else /* !CONFIG_ATMEL_LCD */
633 #ifdef CONFIG_SYS_INVERT_COLORS
634 *cmap
++ = 0xffff - colreg
;
638 #endif /* CONFIG_ATMEL_LCD */
643 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
644 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
645 bmap
+= BMP_LOGO_WIDTH
;
646 fb
+= panel_info
.vl_col
;
649 else { /* true color mode */
651 fb16
= (ushort
*)(lcd_base
+ y
* lcd_line_length
+ x
);
652 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
653 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
654 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
656 ((col16
& 0x000F) << 1) |
657 ((col16
& 0x00F0) << 3) |
658 ((col16
& 0x0F00) << 4);
660 bmap
+= BMP_LOGO_WIDTH
;
661 fb16
+= panel_info
.vl_col
;
669 static inline void bitmap_plot(int x
, int y
) {}
670 #endif /* CONFIG_LCD_LOGO */
672 /*----------------------------------------------------------------------*/
673 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
675 * Display the BMP file located at address bmp_image.
679 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
680 #define BMP_ALIGN_CENTER 0x7FFF
682 static void splash_align_axis(int *axis
, unsigned long panel_size
,
683 unsigned long picture_size
)
685 unsigned long panel_picture_delta
= panel_size
- picture_size
;
686 unsigned long axis_alignment
;
688 if (*axis
== BMP_ALIGN_CENTER
)
689 axis_alignment
= panel_picture_delta
/ 2;
691 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
695 *axis
= max(0, axis_alignment
);
700 #ifdef CONFIG_LCD_BMP_RLE8
702 #define BMP_RLE8_ESCAPE 0
703 #define BMP_RLE8_EOL 0
704 #define BMP_RLE8_EOBMP 1
705 #define BMP_RLE8_DELTA 2
707 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
711 *(*fbp
)++ = cmap
[*bmap
++];
716 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
719 int cnt_8copy
= cnt
>> 3;
721 cnt
-= cnt_8copy
<< 3;
722 while (cnt_8copy
> 0) {
741 * Do not call this function directly, must be called from
742 * lcd_display_bitmap.
744 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
745 int x_off
, int y_off
)
753 width
= le32_to_cpu(bmp
->header
.width
);
754 height
= le32_to_cpu(bmp
->header
.height
);
755 bmap
= (uchar
*)bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
761 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
768 /* 16bpix, 2-byte per pixel, width should *2 */
769 fb
-= (width
* 2 + lcd_line_length
);
779 /* 16bpix, 2-byte per pixel, x should *2 */
780 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
781 * lcd_line_length
+ (x
+ x_off
) * 2);
790 if (x
+ runlen
> width
)
794 draw_unencoded_bitmap(
809 /* aggregate the same code */
810 while (bmap
[0] == 0xff &&
811 bmap
[2] != BMP_RLE8_ESCAPE
&&
812 bmap
[1] == bmap
[3]) {
816 if (x
+ runlen
> width
)
820 draw_encoded_bitmap((ushort
**)&fb
,
831 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
832 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
834 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
837 #if defined(CONFIG_BMP_16BPP)
838 #if defined(CONFIG_ATMEL_LCD_BGR555)
839 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
841 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
842 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
846 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
848 *(*fb
)++ = *(*from
)++;
849 *(*fb
)++ = *(*from
)++;
852 #endif /* CONFIG_BMP_16BPP */
854 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
856 #if !defined(CONFIG_MCC200)
859 ushort
*cmap_base
= NULL
;
862 bmp_image_t
*bmp
=(bmp_image_t
*)bmp_image
;
865 unsigned long width
, height
, byte_width
;
866 unsigned long pwidth
= panel_info
.vl_col
;
867 unsigned colors
, bpix
, bmp_bpix
;
869 if (!bmp
|| !((bmp
->header
.signature
[0] == 'B') &&
870 (bmp
->header
.signature
[1] == 'M'))) {
871 printf("Error: no valid bmp image at %lx\n", bmp_image
);
876 width
= le32_to_cpu(bmp
->header
.width
);
877 height
= le32_to_cpu(bmp
->header
.height
);
878 bmp_bpix
= le16_to_cpu(bmp
->header
.bit_count
);
879 colors
= 1 << bmp_bpix
;
881 bpix
= NBITS(panel_info
.vl_bpix
);
883 if ((bpix
!= 1) && (bpix
!= 8) && (bpix
!= 16) && (bpix
!= 32)) {
884 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
890 /* We support displaying 8bpp BMPs on 16bpp LCDs */
891 if (bpix
!= bmp_bpix
&& (bmp_bpix
!= 8 || bpix
!= 16 || bpix
!= 32)) {
892 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
894 le16_to_cpu(bmp
->header
.bit_count
));
899 debug("Display-bmp: %d x %d with %d colors\n",
900 (int)width
, (int)height
, (int)colors
);
902 #if !defined(CONFIG_MCC200)
903 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
905 cmap
= configuration_get_cmap();
909 for (i
= 0; i
< colors
; ++i
) {
910 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
911 #if !defined(CONFIG_ATMEL_LCD)
913 ( ((cte
.red
) << 8) & 0xf800) |
914 ( ((cte
.green
) << 3) & 0x07e0) |
915 ( ((cte
.blue
) >> 3) & 0x001f) ;
916 #ifdef CONFIG_SYS_INVERT_COLORS
917 *cmap
= 0xffff - colreg
;
921 #if defined(CONFIG_MPC823)
926 #else /* CONFIG_ATMEL_LCD */
927 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
934 * BMP format for Monochrome assumes that the state of a
935 * pixel is described on a per Bit basis, not per Byte.
936 * So, in case of Monochrome BMP we should align widths
937 * on a byte boundary and convert them from Bit to Byte
939 * Probably, PXA250 and MPC823 process 1bpp BMP images in
940 * their own ways, so make the converting to be MCC200
943 #if defined(CONFIG_MCC200)
945 width
= ((width
+ 7) & ~7) >> 3;
946 x
= ((x
+ 7) & ~7) >> 3;
947 pwidth
= ((pwidth
+ 7) & ~7) >> 3;
951 padded_width
= (width
&0x3) ? ((width
&~0x3)+4) : (width
);
953 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
954 splash_align_axis(&x
, pwidth
, width
);
955 splash_align_axis(&y
, panel_info
.vl_row
, height
);
956 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
958 if ((x
+ width
) > pwidth
)
960 if ((y
+ height
) > panel_info
.vl_row
)
961 height
= panel_info
.vl_row
- y
;
963 bmap
= (uchar
*)bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
964 fb
= (uchar
*) (lcd_base
+
965 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
968 case 1: /* pass through */
970 #ifdef CONFIG_LCD_BMP_RLE8
971 if (le32_to_cpu(bmp
->header
.compression
) == BMP_BI_RLE8
) {
973 /* TODO implement render code for bpix != 16 */
974 printf("Error: only support 16 bpix");
977 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
985 byte_width
= width
* 2;
987 for (i
= 0; i
< height
; ++i
) {
989 for (j
= 0; j
< width
; j
++) {
991 FB_PUT_BYTE(fb
, bmap
);
993 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
994 fb
+= sizeof(uint16_t) / sizeof(*fb
);
997 bmap
+= (padded_width
- width
);
998 fb
-= (byte_width
+ lcd_line_length
);
1002 #if defined(CONFIG_BMP_16BPP)
1004 for (i
= 0; i
< height
; ++i
) {
1006 for (j
= 0; j
< width
; j
++)
1007 fb_put_word(&fb
, &bmap
);
1009 bmap
+= (padded_width
- width
) * 2;
1010 fb
-= (width
* 2 + lcd_line_length
);
1013 #endif /* CONFIG_BMP_16BPP */
1015 #if defined(CONFIG_BMP_32BPP)
1017 for (i
= 0; i
< height
; ++i
) {
1018 for (j
= 0; j
< width
; j
++) {
1019 *(fb
++) = *(bmap
++);
1020 *(fb
++) = *(bmap
++);
1021 *(fb
++) = *(bmap
++);
1022 *(fb
++) = *(bmap
++);
1024 fb
-= (lcd_line_length
+ width
* (bpix
/ 8));
1027 #endif /* CONFIG_BMP_32BPP */
1037 static void *lcd_logo(void)
1039 #ifdef CONFIG_SPLASH_SCREEN
1042 static int do_splash
= 1;
1044 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
1048 addr
= simple_strtoul (s
, NULL
, 16);
1049 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1050 s
= getenv("splashpos");
1053 x
= BMP_ALIGN_CENTER
;
1055 x
= simple_strtol(s
, NULL
, 0);
1057 s
= strchr(s
+ 1, ',');
1060 y
= BMP_ALIGN_CENTER
;
1062 y
= simple_strtol (s
+ 1, NULL
, 0);
1065 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1067 if (bmp_display(addr
, x
, y
) == 0)
1068 return (void *)lcd_base
;
1070 #endif /* CONFIG_SPLASH_SCREEN */
1074 #ifdef CONFIG_LCD_INFO
1075 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
1076 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
1077 lcd_show_board_info();
1078 #endif /* CONFIG_LCD_INFO */
1080 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1081 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
1083 return (void *)lcd_base
;
1084 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
1087 void lcd_position_cursor(unsigned col
, unsigned row
)
1089 console_col
= min(col
, CONSOLE_COLS
- 1);
1090 console_row
= min(row
, CONSOLE_ROWS
- 1);
1093 int lcd_get_pixel_width(void)
1095 return panel_info
.vl_col
;
1098 int lcd_get_pixel_height(void)
1100 return panel_info
.vl_row
;
1103 int lcd_get_screen_rows(void)
1105 return CONSOLE_ROWS
;
1108 int lcd_get_screen_columns(void)
1110 return CONSOLE_COLS
;
1113 /************************************************************************/
1114 /************************************************************************/