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 /************************************************************************/
87 /* ** CONSOLE DEFINITIONS & FUNCTIONS */
88 /************************************************************************/
89 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
90 # define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
93 # define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
96 #define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
97 #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
98 #define CONSOLE_ROW_FIRST lcd_console_address
99 #define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
100 #define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
102 #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
103 #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
105 #if LCD_BPP == LCD_MONOCHROME
106 # define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
107 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
108 #elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
109 # define COLOR_MASK(c) (c)
111 # error Unsupported LCD BPP.
114 DECLARE_GLOBAL_DATA_PTR
;
116 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
);
117 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
);
118 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
);
120 static int lcd_init(void *lcdbase
);
122 static void *lcd_logo(void);
124 static int lcd_getbgcolor(void);
125 static void lcd_setfgcolor(int color
);
126 static void lcd_setbgcolor(int color
);
128 static int lcd_color_fg
;
129 static int lcd_color_bg
;
132 char lcd_is_enabled
= 0;
134 static short console_col
;
135 static short console_row
;
137 static void *lcd_console_address
;
138 static void *lcd_base
; /* Start of framebuffer memory */
140 static char lcd_flush_dcache
; /* 1 to flush dcache after each lcd update */
142 /************************************************************************/
144 /* Flush LCD activity to the caches */
148 * flush_dcache_range() is declared in common.h but it seems that some
149 * architectures do not actually implement it. Is there a way to find
150 * out whether it exists? For now, ARM is safe.
152 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
155 if (lcd_flush_dcache
)
156 flush_dcache_range((u32
)lcd_base
,
157 (u32
)(lcd_base
+ lcd_get_size(&line_length
)));
161 void lcd_set_flush_dcache(int flush
)
163 lcd_flush_dcache
= (flush
!= 0);
166 /*----------------------------------------------------------------------*/
168 static void console_scrollup(void)
170 const int rows
= CONFIG_CONSOLE_SCROLL_LINES
;
172 /* Copy up rows ignoring those that will be overwritten */
173 memcpy(CONSOLE_ROW_FIRST
,
174 lcd_console_address
+ CONSOLE_ROW_SIZE
* rows
,
175 CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
);
177 /* Clear the last rows */
178 memset(lcd_console_address
+ CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
,
179 COLOR_MASK(lcd_color_bg
),
180 CONSOLE_ROW_SIZE
* rows
);
186 /*----------------------------------------------------------------------*/
188 static inline void console_back(void)
190 if (--console_col
< 0) {
191 console_col
= CONSOLE_COLS
-1 ;
192 if (--console_row
< 0)
196 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
197 console_row
* VIDEO_FONT_HEIGHT
, ' ');
200 /*----------------------------------------------------------------------*/
202 static inline void console_newline(void)
206 /* Check if we need to scroll the terminal */
207 if (++console_row
>= CONSOLE_ROWS
)
213 /*----------------------------------------------------------------------*/
215 void lcd_putc(const char c
)
217 if (!lcd_is_enabled
) {
232 case '\t': /* Tab (8 chars alignment) */
236 if (console_col
>= CONSOLE_COLS
)
245 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
246 console_row
* VIDEO_FONT_HEIGHT
, c
);
247 if (++console_col
>= CONSOLE_COLS
)
252 /*----------------------------------------------------------------------*/
254 void lcd_puts(const char *s
)
256 if (!lcd_is_enabled
) {
268 /*----------------------------------------------------------------------*/
270 void lcd_printf(const char *fmt
, ...)
273 char buf
[CONFIG_SYS_PBSIZE
];
276 vsprintf(buf
, fmt
, args
);
282 /************************************************************************/
283 /* ** Low-Level Graphics Routines */
284 /************************************************************************/
286 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
)
291 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
292 y
+= BMP_LOGO_HEIGHT
;
295 #if LCD_BPP == LCD_MONOCHROME
296 ushort off
= x
* (1 << LCD_BPP
) % 8;
299 dest
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* (1 << LCD_BPP
) / 8);
301 for (row
= 0; row
< VIDEO_FONT_HEIGHT
; ++row
, dest
+= lcd_line_length
) {
304 #if LCD_BPP == LCD_COLOR16
305 ushort
*d
= (ushort
*)dest
;
310 #if LCD_BPP == LCD_MONOCHROME
311 uchar rest
= *d
& -(1 << (8 - off
));
314 for (i
= 0; i
< count
; ++i
) {
318 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
320 #if LCD_BPP == LCD_MONOCHROME
321 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
322 (COLOR_MASK(lcd_color_bg
) & ~bits
);
324 *d
++ = rest
| (sym
>> off
);
325 rest
= sym
<< (8-off
);
326 #elif LCD_BPP == LCD_COLOR8
327 for (c
= 0; c
< 8; ++c
) {
328 *d
++ = (bits
& 0x80) ?
329 lcd_color_fg
: lcd_color_bg
;
332 #elif LCD_BPP == LCD_COLOR16
333 for (c
= 0; c
< 8; ++c
) {
334 *d
++ = (bits
& 0x80) ?
335 lcd_color_fg
: lcd_color_bg
;
340 #if LCD_BPP == LCD_MONOCHROME
341 *d
= rest
| (*d
& ((1 << (8 - off
)) - 1));
346 /*----------------------------------------------------------------------*/
348 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
)
350 lcd_drawchars(x
, y
, s
, strlen((char *)s
));
353 /*----------------------------------------------------------------------*/
355 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
)
357 lcd_drawchars(x
, y
, &c
, 1);
360 /************************************************************************/
361 /** Small utility to check that you got the colours right */
362 /************************************************************************/
363 #ifdef LCD_TEST_PATTERN
368 static int test_colors
[N_BLK_HOR
* N_BLK_VERT
] = {
369 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
370 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
373 static void test_pattern(void)
375 ushort v_max
= panel_info
.vl_row
;
376 ushort h_max
= panel_info
.vl_col
;
377 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
378 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
380 uchar
*pix
= (uchar
*)lcd_base
;
382 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
383 h_max
, v_max
, h_step
, v_step
);
385 /* WARNING: Code silently assumes 8bit/pixel */
386 for (v
= 0; v
< v_max
; ++v
) {
387 uchar iy
= v
/ v_step
;
388 for (h
= 0; h
< h_max
; ++h
) {
389 uchar ix
= N_BLK_HOR
* iy
+ h
/ h_step
;
390 *pix
++ = test_colors
[ix
];
394 #endif /* LCD_TEST_PATTERN */
397 /************************************************************************/
398 /* ** GENERIC Initialization Routines */
399 /************************************************************************/
401 int lcd_get_size(int *line_length
)
403 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
404 return *line_length
* panel_info
.vl_row
;
407 int drv_lcd_init(void)
409 struct stdio_dev lcddev
;
412 lcd_base
= (void *) gd
->fb_base
;
414 lcd_init(lcd_base
); /* LCD initialization */
416 /* Device initialization */
417 memset(&lcddev
, 0, sizeof(lcddev
));
419 strcpy(lcddev
.name
, "lcd");
420 lcddev
.ext
= 0; /* No extensions */
421 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
422 lcddev
.putc
= lcd_putc
; /* 'putc' function */
423 lcddev
.puts
= lcd_puts
; /* 'puts' function */
425 rc
= stdio_register(&lcddev
);
427 return (rc
== 0) ? 1 : rc
;
430 /*----------------------------------------------------------------------*/
433 #if LCD_BPP == LCD_MONOCHROME
434 /* Setting the palette */
437 #elif LCD_BPP == LCD_COLOR8
438 /* Setting the palette */
439 lcd_setcolreg(CONSOLE_COLOR_BLACK
, 0, 0, 0);
440 lcd_setcolreg(CONSOLE_COLOR_RED
, 0xFF, 0, 0);
441 lcd_setcolreg(CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
442 lcd_setcolreg(CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
443 lcd_setcolreg(CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
444 lcd_setcolreg(CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
445 lcd_setcolreg(CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
446 lcd_setcolreg(CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
447 lcd_setcolreg(CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
450 #ifndef CONFIG_SYS_WHITE_ON_BLACK
451 lcd_setfgcolor(CONSOLE_COLOR_BLACK
);
452 lcd_setbgcolor(CONSOLE_COLOR_WHITE
);
454 lcd_setfgcolor(CONSOLE_COLOR_WHITE
);
455 lcd_setbgcolor(CONSOLE_COLOR_BLACK
);
456 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
458 #ifdef LCD_TEST_PATTERN
461 /* set framebuffer to background color */
462 memset((char *)lcd_base
,
463 COLOR_MASK(lcd_getbgcolor()),
464 lcd_line_length
* panel_info
.vl_row
);
466 /* Paint the logo and retrieve LCD base address */
467 debug("[LCD] Drawing the logo...\n");
468 lcd_console_address
= lcd_logo();
475 static int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
483 cls
, 1, 1, do_lcd_clear
,
488 /*----------------------------------------------------------------------*/
490 static int lcd_init(void *lcdbase
)
492 /* Initialize the lcd controller */
493 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
495 lcd_ctrl_init(lcdbase
);
498 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi_b) ignores
499 * the 'lcdbase' argument and uses custom lcd base address
500 * by setting up gd->fb_base. Check for this condition and fixup
501 * 'lcd_base' address.
503 if ((unsigned long)lcdbase
!= gd
->fb_base
)
504 lcd_base
= (void *)gd
->fb_base
;
506 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base
);
508 lcd_get_size(&lcd_line_length
);
509 lcd_line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
514 /* Initialize the console */
516 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
517 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
519 console_row
= 1; /* leave 1 blank line below logo */
526 /************************************************************************/
527 /* ** ROM capable initialization part - needed to reserve FB memory */
528 /************************************************************************/
530 * This is called early in the system initialization to grab memory
531 * for the LCD controller.
532 * Returns new address for monitor, after reserving LCD buffer memory
534 * Note that this is running from ROM, so no write access to global data.
536 ulong
lcd_setmem(ulong addr
)
541 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
542 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
544 size
= lcd_get_size(&line_length
);
546 /* Round up to nearest full page, or MMU section if defined */
547 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
548 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
550 /* Allocate pages for the frame buffer. */
553 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
559 /*----------------------------------------------------------------------*/
561 static void lcd_setfgcolor(int color
)
563 lcd_color_fg
= color
;
566 /*----------------------------------------------------------------------*/
568 static void lcd_setbgcolor(int color
)
570 lcd_color_bg
= color
;
573 /*----------------------------------------------------------------------*/
575 int lcd_getfgcolor(void)
580 /*----------------------------------------------------------------------*/
582 static int lcd_getbgcolor(void)
587 /************************************************************************/
588 /* ** Chipset depending Bitmap / Logo stuff... */
589 /************************************************************************/
590 static inline ushort
*configuration_get_cmap(void)
592 #if defined CONFIG_CPU_PXA
593 struct pxafb_info
*fbi
= &panel_info
.pxa
;
594 return (ushort
*)fbi
->palette
;
595 #elif defined(CONFIG_MPC823)
596 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
597 cpm8xx_t
*cp
= &(immr
->im_cpm
);
598 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
599 #elif defined(CONFIG_ATMEL_LCD)
600 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
601 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
602 return panel_info
.cmap
;
603 #elif defined(CONFIG_LCD_LOGO)
604 return bmp_logo_palette
;
610 #ifdef CONFIG_LCD_LOGO
611 void bitmap_plot(int x
, int y
)
613 #ifdef CONFIG_ATMEL_LCD
614 uint
*cmap
= (uint
*)bmp_logo_palette
;
616 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
622 #if defined(CONFIG_MPC823)
623 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
624 cpm8xx_t
*cp
= &(immr
->im_cpm
);
626 unsigned bpix
= NBITS(panel_info
.vl_bpix
);
628 debug("Logo: width %d height %d colors %d cmap %d\n",
629 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
630 ARRAY_SIZE(bmp_logo_palette
));
632 bmap
= &bmp_logo_bitmap
[0];
633 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* bpix
/ 8);
636 /* Leave room for default color map
637 * default case: generic system with no cmap (most likely 16bpp)
638 * cmap was set to the source palette, so no change is done.
639 * This avoids even more ifdefs in the next stanza
641 #if defined(CONFIG_MPC823)
642 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
643 #elif defined(CONFIG_ATMEL_LCD)
644 cmap
= (uint
*)configuration_get_cmap();
646 cmap
= configuration_get_cmap();
652 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
653 ushort colreg
= bmp_logo_palette
[i
];
654 #ifdef CONFIG_ATMEL_LCD
656 #ifdef CONFIG_ATMEL_LCD_BGR555
657 lut_entry
= ((colreg
& 0x000F) << 11) |
658 ((colreg
& 0x00F0) << 2) |
659 ((colreg
& 0x0F00) >> 7);
660 #else /* CONFIG_ATMEL_LCD_RGB565 */
661 lut_entry
= ((colreg
& 0x000F) << 1) |
662 ((colreg
& 0x00F0) << 3) |
663 ((colreg
& 0x0F00) << 4);
665 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
667 #else /* !CONFIG_ATMEL_LCD */
668 #ifdef CONFIG_SYS_INVERT_COLORS
669 *cmap
++ = 0xffff - colreg
;
673 #endif /* CONFIG_ATMEL_LCD */
678 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
679 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
680 bmap
+= BMP_LOGO_WIDTH
;
681 fb
+= panel_info
.vl_col
;
684 else { /* true color mode */
687 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
688 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
689 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
691 ((col16
& 0x000F) << 1) |
692 ((col16
& 0x00F0) << 3) |
693 ((col16
& 0x0F00) << 4);
695 bmap
+= BMP_LOGO_WIDTH
;
696 fb16
+= panel_info
.vl_col
;
704 static inline void bitmap_plot(int x
, int y
) {}
705 #endif /* CONFIG_LCD_LOGO */
707 /*----------------------------------------------------------------------*/
708 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
710 * Display the BMP file located at address bmp_image.
714 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
715 #define BMP_ALIGN_CENTER 0x7FFF
717 static void splash_align_axis(int *axis
, unsigned long panel_size
,
718 unsigned long picture_size
)
720 unsigned long panel_picture_delta
= panel_size
- picture_size
;
721 unsigned long axis_alignment
;
723 if (*axis
== BMP_ALIGN_CENTER
)
724 axis_alignment
= panel_picture_delta
/ 2;
726 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
730 *axis
= max(0, axis_alignment
);
735 #ifdef CONFIG_LCD_BMP_RLE8
737 #define BMP_RLE8_ESCAPE 0
738 #define BMP_RLE8_EOL 0
739 #define BMP_RLE8_EOBMP 1
740 #define BMP_RLE8_DELTA 2
742 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
746 *(*fbp
)++ = cmap
[*bmap
++];
751 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
754 int cnt_8copy
= cnt
>> 3;
756 cnt
-= cnt_8copy
<< 3;
757 while (cnt_8copy
> 0) {
776 * Do not call this function directly, must be called from lcd_display_bitmap.
778 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
779 int x_off
, int y_off
)
787 width
= le32_to_cpu(bmp
->header
.width
);
788 height
= le32_to_cpu(bmp
->header
.height
);
789 bmap
= (uchar
*)bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
795 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
802 /* 16bpix, 2-byte per pixel, width should *2 */
803 fb
-= (width
* 2 + lcd_line_length
);
813 /* 16bpix, 2-byte per pixel, x should *2 */
814 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
815 * lcd_line_length
+ (x
+ x_off
) * 2);
824 if (x
+ runlen
> width
)
828 draw_unencoded_bitmap(
843 /* aggregate the same code */
844 while (bmap
[0] == 0xff &&
845 bmap
[2] != BMP_RLE8_ESCAPE
&&
846 bmap
[1] == bmap
[3]) {
850 if (x
+ runlen
> width
)
854 draw_encoded_bitmap((ushort
**)&fb
,
865 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
866 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
868 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
871 #if defined(CONFIG_BMP_16BPP)
872 #if defined(CONFIG_ATMEL_LCD_BGR555)
873 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
875 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
876 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
880 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
882 *(*fb
)++ = *(*from
)++;
883 *(*fb
)++ = *(*from
)++;
886 #endif /* CONFIG_BMP_16BPP */
888 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
890 #if !defined(CONFIG_MCC200)
893 ushort
*cmap_base
= NULL
;
896 bmp_image_t
*bmp
=(bmp_image_t
*)bmp_image
;
899 unsigned long width
, height
, byte_width
;
900 unsigned long pwidth
= panel_info
.vl_col
;
901 unsigned colors
, bpix
, bmp_bpix
;
903 if (!bmp
|| !(bmp
->header
.signature
[0] == 'B' &&
904 bmp
->header
.signature
[1] == 'M')) {
905 printf("Error: no valid bmp image at %lx\n", bmp_image
);
910 width
= le32_to_cpu(bmp
->header
.width
);
911 height
= le32_to_cpu(bmp
->header
.height
);
912 bmp_bpix
= le16_to_cpu(bmp
->header
.bit_count
);
913 colors
= 1 << bmp_bpix
;
915 bpix
= NBITS(panel_info
.vl_bpix
);
917 if (bpix
!= 1 && bpix
!= 8 && bpix
!= 16 && bpix
!= 32) {
918 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
924 /* We support displaying 8bpp BMPs on 16bpp LCDs */
925 if (bpix
!= bmp_bpix
&& !(bmp_bpix
== 8 && bpix
== 16)) {
926 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
928 le16_to_cpu(bmp
->header
.bit_count
));
933 debug("Display-bmp: %d x %d with %d colors\n",
934 (int)width
, (int)height
, (int)colors
);
936 #if !defined(CONFIG_MCC200)
937 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
939 cmap
= configuration_get_cmap();
943 for (i
= 0; i
< colors
; ++i
) {
944 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
945 #if !defined(CONFIG_ATMEL_LCD)
947 ( ((cte
.red
) << 8) & 0xf800) |
948 ( ((cte
.green
) << 3) & 0x07e0) |
949 ( ((cte
.blue
) >> 3) & 0x001f) ;
950 #ifdef CONFIG_SYS_INVERT_COLORS
951 *cmap
= 0xffff - colreg
;
955 #if defined(CONFIG_MPC823)
960 #else /* CONFIG_ATMEL_LCD */
961 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
968 * BMP format for Monochrome assumes that the state of a
969 * pixel is described on a per Bit basis, not per Byte.
970 * So, in case of Monochrome BMP we should align widths
971 * on a byte boundary and convert them from Bit to Byte
973 * Probably, PXA250 and MPC823 process 1bpp BMP images in
974 * their own ways, so make the converting to be MCC200
977 #if defined(CONFIG_MCC200)
979 width
= ((width
+ 7) & ~7) >> 3;
980 x
= ((x
+ 7) & ~7) >> 3;
981 pwidth
= ((pwidth
+ 7) & ~7) >> 3;
985 padded_width
= (width
& 0x3 ? (width
& ~0x3) + 4 : width
);
987 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
988 splash_align_axis(&x
, pwidth
, width
);
989 splash_align_axis(&y
, panel_info
.vl_row
, height
);
990 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
992 if ((x
+ width
) > pwidth
)
994 if ((y
+ height
) > panel_info
.vl_row
)
995 height
= panel_info
.vl_row
- y
;
997 bmap
= (uchar
*) bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
998 fb
= (uchar
*) (lcd_base
+
999 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
1002 case 1: /* pass through */
1004 #ifdef CONFIG_LCD_BMP_RLE8
1005 if (le32_to_cpu(bmp
->header
.compression
) == BMP_BI_RLE8
) {
1007 /* TODO implement render code for bpix != 16 */
1008 printf("Error: only support 16 bpix");
1011 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
1019 byte_width
= width
* 2;
1021 for (i
= 0; i
< height
; ++i
) {
1023 for (j
= 0; j
< width
; j
++) {
1025 FB_PUT_BYTE(fb
, bmap
);
1027 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
1028 fb
+= sizeof(uint16_t) / sizeof(*fb
);
1031 bmap
+= (padded_width
- width
);
1032 fb
-= byte_width
+ lcd_line_length
;
1036 #if defined(CONFIG_BMP_16BPP)
1038 for (i
= 0; i
< height
; ++i
) {
1040 for (j
= 0; j
< width
; j
++)
1041 fb_put_word(&fb
, &bmap
);
1043 bmap
+= (padded_width
- width
) * 2;
1044 fb
-= width
* 2 + lcd_line_length
;
1047 #endif /* CONFIG_BMP_16BPP */
1049 #if defined(CONFIG_BMP_32BPP)
1051 for (i
= 0; i
< height
; ++i
) {
1052 for (j
= 0; j
< width
; j
++) {
1053 *(fb
++) = *(bmap
++);
1054 *(fb
++) = *(bmap
++);
1055 *(fb
++) = *(bmap
++);
1056 *(fb
++) = *(bmap
++);
1058 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
1061 #endif /* CONFIG_BMP_32BPP */
1071 #ifdef CONFIG_SPLASH_SCREEN_PREPARE
1072 static inline int splash_screen_prepare(void)
1074 return board_splash_screen_prepare();
1077 static inline int splash_screen_prepare(void)
1083 static void *lcd_logo(void)
1085 #ifdef CONFIG_SPLASH_SCREEN
1088 static int do_splash
= 1;
1090 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
1094 if (splash_screen_prepare())
1095 return (void *)gd
->fb_base
;
1097 addr
= simple_strtoul (s
, NULL
, 16);
1098 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1099 s
= getenv("splashpos");
1102 x
= BMP_ALIGN_CENTER
;
1104 x
= simple_strtol(s
, NULL
, 0);
1106 s
= strchr(s
+ 1, ',');
1109 y
= BMP_ALIGN_CENTER
;
1111 y
= simple_strtol (s
+ 1, NULL
, 0);
1114 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1116 if (bmp_display(addr
, x
, y
) == 0)
1117 return (void *)lcd_base
;
1119 #endif /* CONFIG_SPLASH_SCREEN */
1123 #ifdef CONFIG_LCD_INFO
1124 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
1125 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
1126 lcd_show_board_info();
1127 #endif /* CONFIG_LCD_INFO */
1129 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1130 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
1132 return (void *)lcd_base
;
1133 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
1136 #ifdef CONFIG_SPLASHIMAGE_GUARD
1137 static int on_splashimage(const char *name
, const char *value
, enum env_op op
,
1143 if (op
== env_op_delete
)
1146 addr
= simple_strtoul(value
, NULL
, 16);
1147 /* See README.displaying-bmps */
1148 aligned
= (addr
% 4 == 2);
1150 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1157 U_BOOT_ENV_CALLBACK(splashimage
, on_splashimage
);
1160 void lcd_position_cursor(unsigned col
, unsigned row
)
1162 console_col
= min(col
, CONSOLE_COLS
- 1);
1163 console_row
= min(row
, CONSOLE_ROWS
- 1);
1166 int lcd_get_pixel_width(void)
1168 return panel_info
.vl_col
;
1171 int lcd_get_pixel_height(void)
1173 return panel_info
.vl_row
;
1176 int lcd_get_screen_rows(void)
1178 return CONSOLE_ROWS
;
1181 int lcd_get_screen_columns(void)
1183 return CONSOLE_COLS
;