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 char lcd_is_enabled
= 0;
104 static char lcd_flush_dcache
; /* 1 to flush dcache after each lcd update */
107 #ifdef NOT_USED_SO_FAR
108 static void lcd_getcolreg(ushort regno
,
109 ushort
*red
, ushort
*green
, ushort
*blue
);
110 static int lcd_getfgcolor(void);
111 #endif /* NOT_USED_SO_FAR */
113 /************************************************************************/
115 /* Flush LCD activity to the caches */
119 * flush_dcache_range() is declared in common.h but it seems that some
120 * architectures do not actually implement it. Is there a way to find
121 * out whether it exists? For now, ARM is safe.
123 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
126 if (lcd_flush_dcache
)
127 flush_dcache_range((u32
)lcd_base
,
128 (u32
)(lcd_base
+ lcd_get_size(&line_length
)));
132 void lcd_set_flush_dcache(int flush
)
134 lcd_flush_dcache
= (flush
!= 0);
137 /*----------------------------------------------------------------------*/
139 static void console_scrollup(void)
141 const int rows
= CONFIG_CONSOLE_SCROLL_LINES
;
143 /* Copy up rows ignoring those that will be overwritten */
144 memcpy(CONSOLE_ROW_FIRST
,
145 lcd_console_address
+ CONSOLE_ROW_SIZE
* rows
,
146 CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
);
148 /* Clear the last rows */
149 memset(lcd_console_address
+ CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
,
150 COLOR_MASK(lcd_color_bg
),
151 CONSOLE_ROW_SIZE
* rows
);
157 /*----------------------------------------------------------------------*/
159 static inline void console_back(void)
161 if (--console_col
< 0) {
162 console_col
= CONSOLE_COLS
-1 ;
163 if (--console_row
< 0) {
168 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
169 console_row
* VIDEO_FONT_HEIGHT
, ' ');
172 /*----------------------------------------------------------------------*/
174 static inline void console_newline(void)
179 /* Check if we need to scroll the terminal */
180 if (console_row
>= CONSOLE_ROWS
) {
181 /* Scroll everything up */
188 /*----------------------------------------------------------------------*/
190 void lcd_putc(const char c
)
192 if (!lcd_is_enabled
) {
207 case '\t': /* Tab (8 chars alignment) */
211 if (console_col
>= CONSOLE_COLS
)
220 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
221 console_row
* VIDEO_FONT_HEIGHT
, c
);
222 if (++console_col
>= CONSOLE_COLS
)
227 /*----------------------------------------------------------------------*/
229 void lcd_puts(const char *s
)
231 if (!lcd_is_enabled
) {
243 /*----------------------------------------------------------------------*/
245 void lcd_printf(const char *fmt
, ...)
248 char buf
[CONFIG_SYS_PBSIZE
];
251 vsprintf(buf
, fmt
, args
);
257 /************************************************************************/
258 /* ** Low-Level Graphics Routines */
259 /************************************************************************/
261 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
)
266 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
267 y
+= BMP_LOGO_HEIGHT
;
270 #if LCD_BPP == LCD_MONOCHROME
271 ushort off
= x
* (1 << LCD_BPP
) % 8;
274 dest
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* (1 << LCD_BPP
) / 8);
276 for (row
= 0; row
< VIDEO_FONT_HEIGHT
; ++row
, dest
+= lcd_line_length
) {
279 #if LCD_BPP == LCD_COLOR16
280 ushort
*d
= (ushort
*)dest
;
285 #if LCD_BPP == LCD_MONOCHROME
286 uchar rest
= *d
& -(1 << (8-off
));
289 for (i
= 0; i
< count
; ++i
) {
293 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
295 #if LCD_BPP == LCD_MONOCHROME
296 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
297 (COLOR_MASK(lcd_color_bg
) & ~bits
);
299 *d
++ = rest
| (sym
>> off
);
300 rest
= sym
<< (8-off
);
301 #elif LCD_BPP == LCD_COLOR8
302 for (c
= 0; c
< 8; ++c
) {
303 *d
++ = (bits
& 0x80) ?
304 lcd_color_fg
: lcd_color_bg
;
307 #elif LCD_BPP == LCD_COLOR16
308 for (c
= 0; c
< 8; ++c
) {
309 *d
++ = (bits
& 0x80) ?
310 lcd_color_fg
: lcd_color_bg
;
315 #if LCD_BPP == LCD_MONOCHROME
316 *d
= rest
| (*d
& ((1 << (8-off
)) - 1));
321 /*----------------------------------------------------------------------*/
323 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
)
325 lcd_drawchars(x
, y
, s
, strlen((char *)s
));
328 /*----------------------------------------------------------------------*/
330 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
)
332 lcd_drawchars(x
, y
, &c
, 1);
335 /************************************************************************/
336 /** Small utility to check that you got the colours right */
337 /************************************************************************/
338 #ifdef LCD_TEST_PATTERN
343 static int test_colors
[N_BLK_HOR
*N_BLK_VERT
] = {
344 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
345 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
348 static void test_pattern(void)
350 ushort v_max
= panel_info
.vl_row
;
351 ushort h_max
= panel_info
.vl_col
;
352 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
353 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
355 uchar
*pix
= (uchar
*)lcd_base
;
357 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
358 h_max
, v_max
, h_step
, v_step
);
360 /* WARNING: Code silently assumes 8bit/pixel */
361 for (v
= 0; v
< v_max
; ++v
) {
362 uchar iy
= v
/ v_step
;
363 for (h
= 0; h
< h_max
; ++h
) {
364 uchar ix
= N_BLK_HOR
* iy
+ (h
/h_step
);
365 *pix
++ = test_colors
[ix
];
369 #endif /* LCD_TEST_PATTERN */
372 /************************************************************************/
373 /* ** GENERIC Initialization Routines */
374 /************************************************************************/
376 int lcd_get_size(int *line_length
)
378 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
379 return *line_length
* panel_info
.vl_row
;
382 int drv_lcd_init (void)
384 struct stdio_dev lcddev
;
387 lcd_base
= (void *)(gd
->fb_base
);
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
);
471 lcd_get_size(&lcd_line_length
);
472 lcd_line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
477 /* Initialize the console */
479 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
480 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
482 console_row
= 1; /* leave 1 blank line below logo */
489 /************************************************************************/
490 /* ** ROM capable initialization part - needed to reserve FB memory */
491 /************************************************************************/
493 * This is called early in the system initialization to grab memory
494 * for the LCD controller.
495 * Returns new address for monitor, after reserving LCD buffer memory
497 * Note that this is running from ROM, so no write access to global data.
499 ulong
lcd_setmem(ulong addr
)
504 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
505 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
507 size
= lcd_get_size(&line_length
);
509 /* Round up to nearest full page, or MMU section if defined */
510 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
511 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
513 /* Allocate pages for the frame buffer. */
516 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size
>>10, addr
);
521 /*----------------------------------------------------------------------*/
523 static void lcd_setfgcolor(int color
)
525 lcd_color_fg
= color
;
528 /*----------------------------------------------------------------------*/
530 static void lcd_setbgcolor(int color
)
532 lcd_color_bg
= color
;
535 /*----------------------------------------------------------------------*/
537 #ifdef NOT_USED_SO_FAR
538 static int lcd_getfgcolor(void)
542 #endif /* NOT_USED_SO_FAR */
544 /*----------------------------------------------------------------------*/
546 static int lcd_getbgcolor(void)
551 /*----------------------------------------------------------------------*/
553 /************************************************************************/
554 /* ** Chipset depending Bitmap / Logo stuff... */
555 /************************************************************************/
556 static inline ushort
*configuration_get_cmap(void)
558 #if defined CONFIG_CPU_PXA
559 struct pxafb_info
*fbi
= &panel_info
.pxa
;
560 return (ushort
*)fbi
->palette
;
561 #elif defined(CONFIG_MPC823)
562 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
563 cpm8xx_t
*cp
= &(immr
->im_cpm
);
564 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
565 #elif defined(CONFIG_ATMEL_LCD)
566 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
567 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
568 return panel_info
.cmap
;
570 #if defined(CONFIG_LCD_LOGO)
571 return bmp_logo_palette
;
578 #ifdef CONFIG_LCD_LOGO
579 void bitmap_plot(int x
, int y
)
581 #ifdef CONFIG_ATMEL_LCD
582 uint
*cmap
= (uint
*)bmp_logo_palette
;
584 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
590 #if defined(CONFIG_MPC823)
591 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
592 cpm8xx_t
*cp
= &(immr
->im_cpm
);
595 debug("Logo: width %d height %d colors %d cmap %d\n",
596 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
597 ARRAY_SIZE(bmp_logo_palette
));
599 bmap
= &bmp_logo_bitmap
[0];
600 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
);
602 if (NBITS(panel_info
.vl_bpix
) < 12) {
603 /* Leave room for default color map
604 * default case: generic system with no cmap (most likely 16bpp)
605 * cmap was set to the source palette, so no change is done.
606 * This avoids even more ifdefs in the next stanza
608 #if defined(CONFIG_MPC823)
609 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
610 #elif defined(CONFIG_ATMEL_LCD)
611 cmap
= (uint
*)configuration_get_cmap();
613 cmap
= configuration_get_cmap();
619 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
620 ushort colreg
= bmp_logo_palette
[i
];
621 #ifdef CONFIG_ATMEL_LCD
623 #ifdef CONFIG_ATMEL_LCD_BGR555
624 lut_entry
= ((colreg
& 0x000F) << 11) |
625 ((colreg
& 0x00F0) << 2) |
626 ((colreg
& 0x0F00) >> 7);
627 #else /* CONFIG_ATMEL_LCD_RGB565 */
628 lut_entry
= ((colreg
& 0x000F) << 1) |
629 ((colreg
& 0x00F0) << 3) |
630 ((colreg
& 0x0F00) << 4);
632 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
634 #else /* !CONFIG_ATMEL_LCD */
635 #ifdef CONFIG_SYS_INVERT_COLORS
636 *cmap
++ = 0xffff - colreg
;
640 #endif /* CONFIG_ATMEL_LCD */
645 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
646 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
647 bmap
+= BMP_LOGO_WIDTH
;
648 fb
+= panel_info
.vl_col
;
651 else { /* true color mode */
653 fb16
= (ushort
*)(lcd_base
+ y
* lcd_line_length
+ x
);
654 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
655 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
656 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
658 ((col16
& 0x000F) << 1) |
659 ((col16
& 0x00F0) << 3) |
660 ((col16
& 0x0F00) << 4);
662 bmap
+= BMP_LOGO_WIDTH
;
663 fb16
+= panel_info
.vl_col
;
671 static inline void bitmap_plot(int x
, int y
) {}
672 #endif /* CONFIG_LCD_LOGO */
674 /*----------------------------------------------------------------------*/
675 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
677 * Display the BMP file located at address bmp_image.
681 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
682 #define BMP_ALIGN_CENTER 0x7FFF
684 static void splash_align_axis(int *axis
, unsigned long panel_size
,
685 unsigned long picture_size
)
687 unsigned long panel_picture_delta
= panel_size
- picture_size
;
688 unsigned long axis_alignment
;
690 if (*axis
== BMP_ALIGN_CENTER
)
691 axis_alignment
= panel_picture_delta
/ 2;
693 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
697 *axis
= max(0, axis_alignment
);
702 #ifdef CONFIG_LCD_BMP_RLE8
704 #define BMP_RLE8_ESCAPE 0
705 #define BMP_RLE8_EOL 0
706 #define BMP_RLE8_EOBMP 1
707 #define BMP_RLE8_DELTA 2
709 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
713 *(*fbp
)++ = cmap
[*bmap
++];
718 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
721 int cnt_8copy
= cnt
>> 3;
723 cnt
-= cnt_8copy
<< 3;
724 while (cnt_8copy
> 0) {
743 * Do not call this function directly, must be called from
744 * lcd_display_bitmap.
746 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
747 int x_off
, int y_off
)
755 width
= le32_to_cpu(bmp
->header
.width
);
756 height
= le32_to_cpu(bmp
->header
.height
);
757 bmap
= (uchar
*)bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
763 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
770 /* 16bpix, 2-byte per pixel, width should *2 */
771 fb
-= (width
* 2 + lcd_line_length
);
781 /* 16bpix, 2-byte per pixel, x should *2 */
782 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
783 * lcd_line_length
+ (x
+ x_off
) * 2);
792 if (x
+ runlen
> width
)
796 draw_unencoded_bitmap(
811 /* aggregate the same code */
812 while (bmap
[0] == 0xff &&
813 bmap
[2] != BMP_RLE8_ESCAPE
&&
814 bmap
[1] == bmap
[3]) {
818 if (x
+ runlen
> width
)
822 draw_encoded_bitmap((ushort
**)&fb
,
833 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
834 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
836 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
839 #if defined(CONFIG_BMP_16BPP)
840 #if defined(CONFIG_ATMEL_LCD_BGR555)
841 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
843 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
844 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
848 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
850 *(*fb
)++ = *(*from
)++;
851 *(*fb
)++ = *(*from
)++;
854 #endif /* CONFIG_BMP_16BPP */
856 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
858 #if !defined(CONFIG_MCC200)
861 ushort
*cmap_base
= NULL
;
864 bmp_image_t
*bmp
=(bmp_image_t
*)bmp_image
;
867 unsigned long width
, height
, byte_width
;
868 unsigned long pwidth
= panel_info
.vl_col
;
869 unsigned colors
, bpix
, bmp_bpix
;
871 if (!bmp
|| !((bmp
->header
.signature
[0] == 'B') &&
872 (bmp
->header
.signature
[1] == 'M'))) {
873 printf("Error: no valid bmp image at %lx\n", bmp_image
);
878 width
= le32_to_cpu(bmp
->header
.width
);
879 height
= le32_to_cpu(bmp
->header
.height
);
880 bmp_bpix
= le16_to_cpu(bmp
->header
.bit_count
);
881 colors
= 1 << bmp_bpix
;
883 bpix
= NBITS(panel_info
.vl_bpix
);
885 if ((bpix
!= 1) && (bpix
!= 8) && (bpix
!= 16) && (bpix
!= 32)) {
886 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
892 /* We support displaying 8bpp BMPs on 16bpp LCDs */
893 if (bpix
!= bmp_bpix
&& !(bmp_bpix
== 8 && bpix
== 16)) {
894 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
896 le16_to_cpu(bmp
->header
.bit_count
));
901 debug("Display-bmp: %d x %d with %d colors\n",
902 (int)width
, (int)height
, (int)colors
);
904 #if !defined(CONFIG_MCC200)
905 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
907 cmap
= configuration_get_cmap();
911 for (i
= 0; i
< colors
; ++i
) {
912 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
913 #if !defined(CONFIG_ATMEL_LCD)
915 ( ((cte
.red
) << 8) & 0xf800) |
916 ( ((cte
.green
) << 3) & 0x07e0) |
917 ( ((cte
.blue
) >> 3) & 0x001f) ;
918 #ifdef CONFIG_SYS_INVERT_COLORS
919 *cmap
= 0xffff - colreg
;
923 #if defined(CONFIG_MPC823)
928 #else /* CONFIG_ATMEL_LCD */
929 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
936 * BMP format for Monochrome assumes that the state of a
937 * pixel is described on a per Bit basis, not per Byte.
938 * So, in case of Monochrome BMP we should align widths
939 * on a byte boundary and convert them from Bit to Byte
941 * Probably, PXA250 and MPC823 process 1bpp BMP images in
942 * their own ways, so make the converting to be MCC200
945 #if defined(CONFIG_MCC200)
947 width
= ((width
+ 7) & ~7) >> 3;
948 x
= ((x
+ 7) & ~7) >> 3;
949 pwidth
= ((pwidth
+ 7) & ~7) >> 3;
953 padded_width
= (width
&0x3) ? ((width
&~0x3)+4) : (width
);
955 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
956 splash_align_axis(&x
, pwidth
, width
);
957 splash_align_axis(&y
, panel_info
.vl_row
, height
);
958 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
960 if ((x
+ width
) > pwidth
)
962 if ((y
+ height
) > panel_info
.vl_row
)
963 height
= panel_info
.vl_row
- y
;
965 bmap
= (uchar
*)bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
966 fb
= (uchar
*) (lcd_base
+
967 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
970 case 1: /* pass through */
972 #ifdef CONFIG_LCD_BMP_RLE8
973 if (le32_to_cpu(bmp
->header
.compression
) == BMP_BI_RLE8
) {
975 /* TODO implement render code for bpix != 16 */
976 printf("Error: only support 16 bpix");
979 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
987 byte_width
= width
* 2;
989 for (i
= 0; i
< height
; ++i
) {
991 for (j
= 0; j
< width
; j
++) {
993 FB_PUT_BYTE(fb
, bmap
);
995 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
996 fb
+= sizeof(uint16_t) / sizeof(*fb
);
999 bmap
+= (padded_width
- width
);
1000 fb
-= (byte_width
+ lcd_line_length
);
1004 #if defined(CONFIG_BMP_16BPP)
1006 for (i
= 0; i
< height
; ++i
) {
1008 for (j
= 0; j
< width
; j
++)
1009 fb_put_word(&fb
, &bmap
);
1011 bmap
+= (padded_width
- width
) * 2;
1012 fb
-= (width
* 2 + lcd_line_length
);
1015 #endif /* CONFIG_BMP_16BPP */
1017 #if defined(CONFIG_BMP_32BPP)
1019 for (i
= 0; i
< height
; ++i
) {
1020 for (j
= 0; j
< width
; j
++) {
1021 *(fb
++) = *(bmap
++);
1022 *(fb
++) = *(bmap
++);
1023 *(fb
++) = *(bmap
++);
1024 *(fb
++) = *(bmap
++);
1026 fb
-= (lcd_line_length
+ width
* (bpix
/ 8));
1029 #endif /* CONFIG_BMP_32BPP */
1039 #ifdef CONFIG_SPLASH_SCREEN_PREPARE
1040 static inline int splash_screen_prepare(void)
1042 return board_splash_screen_prepare();
1045 static inline int splash_screen_prepare(void)
1051 static void *lcd_logo(void)
1053 #ifdef CONFIG_SPLASH_SCREEN
1056 static int do_splash
= 1;
1058 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
1062 if (splash_screen_prepare())
1063 return (void *)gd
->fb_base
;
1065 addr
= simple_strtoul (s
, NULL
, 16);
1066 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1067 s
= getenv("splashpos");
1070 x
= BMP_ALIGN_CENTER
;
1072 x
= simple_strtol(s
, NULL
, 0);
1074 s
= strchr(s
+ 1, ',');
1077 y
= BMP_ALIGN_CENTER
;
1079 y
= simple_strtol (s
+ 1, NULL
, 0);
1082 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1084 if (bmp_display(addr
, x
, y
) == 0)
1085 return (void *)lcd_base
;
1087 #endif /* CONFIG_SPLASH_SCREEN */
1091 #ifdef CONFIG_LCD_INFO
1092 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
1093 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
1094 lcd_show_board_info();
1095 #endif /* CONFIG_LCD_INFO */
1097 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1098 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
1100 return (void *)lcd_base
;
1101 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
1104 #ifdef CONFIG_SPLASHIMAGE_GUARD
1105 static int on_splashimage(const char *name
, const char *value
, enum env_op op
,
1111 if (op
== env_op_delete
)
1114 addr
= simple_strtoul(value
, NULL
, 16);
1115 /* See README.displaying-bmps */
1116 aligned
= (addr
% 4 == 2);
1118 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1125 U_BOOT_ENV_CALLBACK(splashimage
, on_splashimage
);
1128 void lcd_position_cursor(unsigned col
, unsigned row
)
1130 console_col
= min(col
, CONSOLE_COLS
- 1);
1131 console_row
= min(row
, CONSOLE_ROWS
- 1);
1134 int lcd_get_pixel_width(void)
1136 return panel_info
.vl_col
;
1139 int lcd_get_pixel_height(void)
1141 return panel_info
.vl_row
;
1144 int lcd_get_screen_rows(void)
1146 return CONSOLE_ROWS
;
1149 int lcd_get_screen_columns(void)
1151 return CONSOLE_COLS
;
1154 /************************************************************************/
1155 /************************************************************************/