2 * Common LCD routines for supported CPUs
4 * (C) Copyright 2001-2002
5 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
7 * SPDX-License-Identifier: GPL-2.0+
10 /************************************************************************/
12 /************************************************************************/
21 #include <env_callback.h>
22 #include <linux/types.h>
23 #include <stdio_dev.h>
24 #if defined(CONFIG_POST)
29 #include <asm/unaligned.h>
32 #include <asm/unaligned.h>
33 #include <fdt_support.h>
35 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
36 defined(CONFIG_CPU_MONAHANS)
37 #include <asm/byteorder.h>
40 #if defined(CONFIG_MPC823)
44 #if defined(CONFIG_ATMEL_LCD)
45 #include <atmel_lcdc.h>
48 #if defined(CONFIG_LCD_DT_SIMPLEFB)
52 /************************************************************************/
54 /************************************************************************/
55 #include <video_font.h> /* Get font data, width and height */
57 /************************************************************************/
59 /************************************************************************/
60 #ifdef CONFIG_LCD_LOGO
61 # include <bmp_logo.h> /* Get logo data, width and height */
62 # include <bmp_logo_data.h>
63 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
64 # error Default Color Map overlaps with Logo Color Map
72 #ifndef CONFIG_LCD_ALIGNMENT
73 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
76 /* By default we scroll by a single line */
77 #ifndef CONFIG_CONSOLE_SCROLL_LINES
78 #define CONFIG_CONSOLE_SCROLL_LINES 1
81 /************************************************************************/
82 /* ** CONSOLE DEFINITIONS & FUNCTIONS */
83 /************************************************************************/
84 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
85 # define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
88 # define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
91 #define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
92 #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
93 #define CONSOLE_ROW_FIRST lcd_console_address
94 #define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
95 #define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
97 #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
98 #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
100 #if LCD_BPP == LCD_MONOCHROME
101 # define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
102 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
103 #elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || \
104 (LCD_BPP == LCD_COLOR32)
105 # define COLOR_MASK(c) (c)
107 # error Unsupported LCD BPP.
110 DECLARE_GLOBAL_DATA_PTR
;
112 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
);
113 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
);
115 static int lcd_init(void *lcdbase
);
117 static void *lcd_logo(void);
119 static void lcd_setfgcolor(int color
);
120 static void lcd_setbgcolor(int color
);
122 static int lcd_color_fg
;
123 static int lcd_color_bg
;
126 char lcd_is_enabled
= 0;
128 static short console_col
;
129 static short console_row
;
131 static void *lcd_console_address
;
132 static void *lcd_base
; /* Start of framebuffer memory */
134 static char lcd_flush_dcache
; /* 1 to flush dcache after each lcd update */
136 /************************************************************************/
138 /* Flush LCD activity to the caches */
142 * flush_dcache_range() is declared in common.h but it seems that some
143 * architectures do not actually implement it. Is there a way to find
144 * out whether it exists? For now, ARM is safe.
146 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
149 if (lcd_flush_dcache
)
150 flush_dcache_range((u32
)lcd_base
,
151 (u32
)(lcd_base
+ lcd_get_size(&line_length
)));
152 #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
153 static ulong last_sync
;
155 if (get_timer(last_sync
) > 10) {
156 sandbox_sdl_sync(lcd_base
);
157 last_sync
= get_timer(0);
162 void lcd_set_flush_dcache(int flush
)
164 lcd_flush_dcache
= (flush
!= 0);
167 /*----------------------------------------------------------------------*/
169 static void console_scrollup(void)
171 const int rows
= CONFIG_CONSOLE_SCROLL_LINES
;
173 /* Copy up rows ignoring those that will be overwritten */
174 memcpy(CONSOLE_ROW_FIRST
,
175 lcd_console_address
+ CONSOLE_ROW_SIZE
* rows
,
176 CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
);
178 /* Clear the last rows */
179 #if (LCD_BPP != LCD_COLOR32)
180 memset(lcd_console_address
+ CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
,
181 COLOR_MASK(lcd_color_bg
),
182 CONSOLE_ROW_SIZE
* rows
);
184 u32
*ppix
= lcd_console_address
+
185 CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
;
188 i
< (CONSOLE_ROW_SIZE
* rows
) / NBYTES(panel_info
.vl_bpix
);
190 *ppix
++ = COLOR_MASK(lcd_color_bg
);
197 /*----------------------------------------------------------------------*/
199 static inline void console_back(void)
201 if (--console_col
< 0) {
202 console_col
= CONSOLE_COLS
-1 ;
203 if (--console_row
< 0)
207 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
208 console_row
* VIDEO_FONT_HEIGHT
, ' ');
211 /*----------------------------------------------------------------------*/
213 static inline void console_newline(void)
217 /* Check if we need to scroll the terminal */
218 if (++console_row
>= CONSOLE_ROWS
)
224 /*----------------------------------------------------------------------*/
226 static void lcd_stub_putc(struct stdio_dev
*dev
, const char c
)
231 void lcd_putc(const char c
)
233 if (!lcd_is_enabled
) {
248 case '\t': /* Tab (8 chars alignment) */
252 if (console_col
>= CONSOLE_COLS
)
261 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
262 console_row
* VIDEO_FONT_HEIGHT
, c
);
263 if (++console_col
>= CONSOLE_COLS
)
268 /*----------------------------------------------------------------------*/
270 static void lcd_stub_puts(struct stdio_dev
*dev
, const char *s
)
275 void lcd_puts(const char *s
)
277 if (!lcd_is_enabled
) {
289 /*----------------------------------------------------------------------*/
291 void lcd_printf(const char *fmt
, ...)
294 char buf
[CONFIG_SYS_PBSIZE
];
297 vsprintf(buf
, fmt
, args
);
303 /************************************************************************/
304 /* ** Low-Level Graphics Routines */
305 /************************************************************************/
307 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
)
312 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
313 y
+= BMP_LOGO_HEIGHT
;
316 #if LCD_BPP == LCD_MONOCHROME
317 ushort off
= x
* (1 << LCD_BPP
) % 8;
320 dest
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* NBITS(LCD_BPP
)/8);
322 for (row
= 0; row
< VIDEO_FONT_HEIGHT
; ++row
, dest
+= lcd_line_length
) {
325 #if LCD_BPP == LCD_COLOR16
326 ushort
*d
= (ushort
*)dest
;
327 #elif LCD_BPP == LCD_COLOR32
328 u32
*d
= (u32
*)dest
;
333 #if LCD_BPP == LCD_MONOCHROME
334 uchar rest
= *d
& -(1 << (8 - off
));
337 for (i
= 0; i
< count
; ++i
) {
341 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
343 #if LCD_BPP == LCD_MONOCHROME
344 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
345 (COLOR_MASK(lcd_color_bg
) & ~bits
);
347 *d
++ = rest
| (sym
>> off
);
348 rest
= sym
<< (8-off
);
349 #elif LCD_BPP == LCD_COLOR8
350 for (c
= 0; c
< 8; ++c
) {
351 *d
++ = (bits
& 0x80) ?
352 lcd_color_fg
: lcd_color_bg
;
355 #elif LCD_BPP == LCD_COLOR16
356 for (c
= 0; c
< 8; ++c
) {
357 *d
++ = (bits
& 0x80) ?
358 lcd_color_fg
: lcd_color_bg
;
361 #elif LCD_BPP == LCD_COLOR32
362 for (c
= 0; c
< 8; ++c
) {
363 *d
++ = (bits
& 0x80) ?
364 lcd_color_fg
: lcd_color_bg
;
369 #if LCD_BPP == LCD_MONOCHROME
370 *d
= rest
| (*d
& ((1 << (8 - off
)) - 1));
375 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
)
377 lcd_drawchars(x
, y
, &c
, 1);
380 /************************************************************************/
381 /** Small utility to check that you got the colours right */
382 /************************************************************************/
383 #ifdef LCD_TEST_PATTERN
388 static int test_colors
[N_BLK_HOR
* N_BLK_VERT
] = {
389 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
390 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
393 static void test_pattern(void)
395 ushort v_max
= panel_info
.vl_row
;
396 ushort h_max
= panel_info
.vl_col
;
397 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
398 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
400 uchar
*pix
= (uchar
*)lcd_base
;
402 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
403 h_max
, v_max
, h_step
, v_step
);
405 /* WARNING: Code silently assumes 8bit/pixel */
406 for (v
= 0; v
< v_max
; ++v
) {
407 uchar iy
= v
/ v_step
;
408 for (h
= 0; h
< h_max
; ++h
) {
409 uchar ix
= N_BLK_HOR
* iy
+ h
/ h_step
;
410 *pix
++ = test_colors
[ix
];
414 #endif /* LCD_TEST_PATTERN */
417 /************************************************************************/
418 /* ** GENERIC Initialization Routines */
419 /************************************************************************/
421 * With most lcd drivers the line length is set up
422 * by calculating it from panel_info parameters. Some
423 * drivers need to calculate the line length differently,
424 * so make the function weak to allow overriding it.
426 __weak
int lcd_get_size(int *line_length
)
428 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
429 return *line_length
* panel_info
.vl_row
;
432 int drv_lcd_init(void)
434 struct stdio_dev lcddev
;
437 lcd_base
= map_sysmem(gd
->fb_base
, 0);
439 lcd_init(lcd_base
); /* LCD initialization */
441 /* Device initialization */
442 memset(&lcddev
, 0, sizeof(lcddev
));
444 strcpy(lcddev
.name
, "lcd");
445 lcddev
.ext
= 0; /* No extensions */
446 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
447 lcddev
.putc
= lcd_stub_putc
; /* 'putc' function */
448 lcddev
.puts
= lcd_stub_puts
; /* 'puts' function */
450 rc
= stdio_register(&lcddev
);
452 return (rc
== 0) ? 1 : rc
;
455 /*----------------------------------------------------------------------*/
458 #if LCD_BPP == LCD_MONOCHROME
459 /* Setting the palette */
462 #elif LCD_BPP == LCD_COLOR8
463 /* Setting the palette */
464 lcd_setcolreg(CONSOLE_COLOR_BLACK
, 0, 0, 0);
465 lcd_setcolreg(CONSOLE_COLOR_RED
, 0xFF, 0, 0);
466 lcd_setcolreg(CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
467 lcd_setcolreg(CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
468 lcd_setcolreg(CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
469 lcd_setcolreg(CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
470 lcd_setcolreg(CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
471 lcd_setcolreg(CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
472 lcd_setcolreg(CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
475 #ifndef CONFIG_SYS_WHITE_ON_BLACK
476 lcd_setfgcolor(CONSOLE_COLOR_BLACK
);
477 lcd_setbgcolor(CONSOLE_COLOR_WHITE
);
479 lcd_setfgcolor(CONSOLE_COLOR_WHITE
);
480 lcd_setbgcolor(CONSOLE_COLOR_BLACK
);
481 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
483 #ifdef LCD_TEST_PATTERN
486 /* set framebuffer to background color */
487 #if (LCD_BPP != LCD_COLOR32)
488 memset((char *)lcd_base
,
489 COLOR_MASK(lcd_color_bg
),
490 lcd_line_length
* panel_info
.vl_row
);
492 u32
*ppix
= lcd_base
;
495 i
< (lcd_line_length
* panel_info
.vl_row
)/NBYTES(panel_info
.vl_bpix
);
497 *ppix
++ = COLOR_MASK(lcd_color_bg
);
501 /* Paint the logo and retrieve LCD base address */
502 debug("[LCD] Drawing the logo...\n");
503 lcd_console_address
= lcd_logo();
510 static int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
518 cls
, 1, 1, do_lcd_clear
,
523 /*----------------------------------------------------------------------*/
525 static int lcd_init(void *lcdbase
)
527 /* Initialize the lcd controller */
528 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
530 lcd_ctrl_init(lcdbase
);
533 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
534 * the 'lcdbase' argument and uses custom lcd base address
535 * by setting up gd->fb_base. Check for this condition and fixup
536 * 'lcd_base' address.
538 if (map_to_sysmem(lcdbase
) != gd
->fb_base
)
539 lcd_base
= map_sysmem(gd
->fb_base
, 0);
541 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base
);
543 lcd_get_size(&lcd_line_length
);
548 /* Initialize the console */
550 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
551 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
553 console_row
= 1; /* leave 1 blank line below logo */
560 /************************************************************************/
561 /* ** ROM capable initialization part - needed to reserve FB memory */
562 /************************************************************************/
564 * This is called early in the system initialization to grab memory
565 * for the LCD controller.
566 * Returns new address for monitor, after reserving LCD buffer memory
568 * Note that this is running from ROM, so no write access to global data.
570 ulong
lcd_setmem(ulong addr
)
575 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
576 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
578 size
= lcd_get_size(&line_length
);
580 /* Round up to nearest full page, or MMU section if defined */
581 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
582 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
584 /* Allocate pages for the frame buffer. */
587 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
593 /*----------------------------------------------------------------------*/
595 static void lcd_setfgcolor(int color
)
597 lcd_color_fg
= color
;
600 /*----------------------------------------------------------------------*/
602 static void lcd_setbgcolor(int color
)
604 lcd_color_bg
= color
;
607 /************************************************************************/
608 /* ** Chipset depending Bitmap / Logo stuff... */
609 /************************************************************************/
610 static inline ushort
*configuration_get_cmap(void)
612 #if defined CONFIG_CPU_PXA
613 struct pxafb_info
*fbi
= &panel_info
.pxa
;
614 return (ushort
*)fbi
->palette
;
615 #elif defined(CONFIG_MPC823)
616 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
617 cpm8xx_t
*cp
= &(immr
->im_cpm
);
618 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
619 #elif defined(CONFIG_ATMEL_LCD)
620 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
621 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
622 return panel_info
.cmap
;
623 #elif defined(CONFIG_LCD_LOGO)
624 return bmp_logo_palette
;
630 #ifdef CONFIG_LCD_LOGO
631 void bitmap_plot(int x
, int y
)
633 #ifdef CONFIG_ATMEL_LCD
634 uint
*cmap
= (uint
*)bmp_logo_palette
;
636 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
642 #if defined(CONFIG_MPC823)
643 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
644 cpm8xx_t
*cp
= &(immr
->im_cpm
);
646 unsigned bpix
= NBITS(panel_info
.vl_bpix
);
648 debug("Logo: width %d height %d colors %d cmap %d\n",
649 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
650 ARRAY_SIZE(bmp_logo_palette
));
652 bmap
= &bmp_logo_bitmap
[0];
653 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* bpix
/ 8);
656 /* Leave room for default color map
657 * default case: generic system with no cmap (most likely 16bpp)
658 * cmap was set to the source palette, so no change is done.
659 * This avoids even more ifdefs in the next stanza
661 #if defined(CONFIG_MPC823)
662 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
663 #elif defined(CONFIG_ATMEL_LCD)
664 cmap
= (uint
*)configuration_get_cmap();
666 cmap
= configuration_get_cmap();
672 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
673 ushort colreg
= bmp_logo_palette
[i
];
674 #ifdef CONFIG_ATMEL_LCD
676 #ifdef CONFIG_ATMEL_LCD_BGR555
677 lut_entry
= ((colreg
& 0x000F) << 11) |
678 ((colreg
& 0x00F0) << 2) |
679 ((colreg
& 0x0F00) >> 7);
680 #else /* CONFIG_ATMEL_LCD_RGB565 */
681 lut_entry
= ((colreg
& 0x000F) << 1) |
682 ((colreg
& 0x00F0) << 3) |
683 ((colreg
& 0x0F00) << 4);
685 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
687 #else /* !CONFIG_ATMEL_LCD */
688 #ifdef CONFIG_SYS_INVERT_COLORS
689 *cmap
++ = 0xffff - colreg
;
693 #endif /* CONFIG_ATMEL_LCD */
698 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
699 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
700 bmap
+= BMP_LOGO_WIDTH
;
701 fb
+= panel_info
.vl_col
;
704 else { /* true color mode */
707 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
708 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
709 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
711 ((col16
& 0x000F) << 1) |
712 ((col16
& 0x00F0) << 3) |
713 ((col16
& 0x0F00) << 4);
715 bmap
+= BMP_LOGO_WIDTH
;
716 fb16
+= panel_info
.vl_col
;
724 static inline void bitmap_plot(int x
, int y
) {}
725 #endif /* CONFIG_LCD_LOGO */
727 /*----------------------------------------------------------------------*/
728 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
730 * Display the BMP file located at address bmp_image.
734 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
735 #define BMP_ALIGN_CENTER 0x7FFF
737 static void splash_align_axis(int *axis
, unsigned long panel_size
,
738 unsigned long picture_size
)
740 unsigned long panel_picture_delta
= panel_size
- picture_size
;
741 unsigned long axis_alignment
;
743 if (*axis
== BMP_ALIGN_CENTER
)
744 axis_alignment
= panel_picture_delta
/ 2;
746 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
750 *axis
= max(0, (int)axis_alignment
);
755 #ifdef CONFIG_LCD_BMP_RLE8
757 #define BMP_RLE8_ESCAPE 0
758 #define BMP_RLE8_EOL 0
759 #define BMP_RLE8_EOBMP 1
760 #define BMP_RLE8_DELTA 2
762 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
766 *(*fbp
)++ = cmap
[*bmap
++];
771 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
774 int cnt_8copy
= cnt
>> 3;
776 cnt
-= cnt_8copy
<< 3;
777 while (cnt_8copy
> 0) {
796 * Do not call this function directly, must be called from lcd_display_bitmap.
798 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
799 int x_off
, int y_off
)
807 width
= get_unaligned_le32(&bmp
->header
.width
);
808 height
= get_unaligned_le32(&bmp
->header
.height
);
809 bmap
= (uchar
*)bmp
+ get_unaligned_le32(&bmp
->header
.data_offset
);
815 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
822 /* 16bpix, 2-byte per pixel, width should *2 */
823 fb
-= (width
* 2 + lcd_line_length
);
833 /* 16bpix, 2-byte per pixel, x should *2 */
834 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
835 * lcd_line_length
+ (x
+ x_off
) * 2);
844 if (x
+ runlen
> width
)
848 draw_unencoded_bitmap(
863 /* aggregate the same code */
864 while (bmap
[0] == 0xff &&
865 bmap
[2] != BMP_RLE8_ESCAPE
&&
866 bmap
[1] == bmap
[3]) {
870 if (x
+ runlen
> width
)
874 draw_encoded_bitmap((ushort
**)&fb
,
885 #if defined(CONFIG_MPC823)
886 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
888 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
891 #if defined(CONFIG_BMP_16BPP)
892 #if defined(CONFIG_ATMEL_LCD_BGR555)
893 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
895 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
896 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
900 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
902 *(*fb
)++ = *(*from
)++;
903 *(*fb
)++ = *(*from
)++;
906 #endif /* CONFIG_BMP_16BPP */
908 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
911 ushort
*cmap_base
= NULL
;
914 bmp_image_t
*bmp
= (bmp_image_t
*)map_sysmem(bmp_image
, 0);
917 unsigned long width
, height
, byte_width
;
918 unsigned long pwidth
= panel_info
.vl_col
;
919 unsigned colors
, bpix
, bmp_bpix
;
921 if (!bmp
|| !(bmp
->header
.signature
[0] == 'B' &&
922 bmp
->header
.signature
[1] == 'M')) {
923 printf("Error: no valid bmp image at %lx\n", bmp_image
);
928 width
= get_unaligned_le32(&bmp
->header
.width
);
929 height
= get_unaligned_le32(&bmp
->header
.height
);
930 bmp_bpix
= get_unaligned_le16(&bmp
->header
.bit_count
);
932 colors
= 1 << bmp_bpix
;
934 bpix
= NBITS(panel_info
.vl_bpix
);
936 if (bpix
!= 1 && bpix
!= 8 && bpix
!= 16 && bpix
!= 32) {
937 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
944 * We support displaying 8bpp BMPs on 16bpp LCDs
945 * and displaying 24bpp BMPs on 32bpp LCDs
947 if (bpix
!= bmp_bpix
&&
948 !(bmp_bpix
== 8 && bpix
== 16) &&
949 !(bmp_bpix
== 24 && bpix
== 32)) {
950 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
951 bpix
, get_unaligned_le16(&bmp
->header
.bit_count
));
955 debug("Display-bmp: %d x %d with %d colors\n",
956 (int)width
, (int)height
, (int)colors
);
959 cmap
= configuration_get_cmap();
963 for (i
= 0; i
< colors
; ++i
) {
964 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
965 #if !defined(CONFIG_ATMEL_LCD)
967 ( ((cte
.red
) << 8) & 0xf800) |
968 ( ((cte
.green
) << 3) & 0x07e0) |
969 ( ((cte
.blue
) >> 3) & 0x001f) ;
970 #ifdef CONFIG_SYS_INVERT_COLORS
971 *cmap
= 0xffff - colreg
;
975 #if defined(CONFIG_MPC823)
980 #else /* CONFIG_ATMEL_LCD */
981 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
986 padded_width
= (width
& 0x3 ? (width
& ~0x3) + 4 : width
);
988 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
989 splash_align_axis(&x
, pwidth
, width
);
990 splash_align_axis(&y
, panel_info
.vl_row
, height
);
991 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
993 if ((x
+ width
) > pwidth
)
995 if ((y
+ height
) > panel_info
.vl_row
)
996 height
= panel_info
.vl_row
- y
;
998 bmap
= (uchar
*)bmp
+ get_unaligned_le32(&bmp
->header
.data_offset
);
999 fb
= (uchar
*)(lcd_base
+
1000 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
1003 case 1: /* pass through */
1005 #ifdef CONFIG_LCD_BMP_RLE8
1006 u32 compression
= get_unaligned_le32(&bmp
->header
.compression
);
1007 if (compression
== BMP_BI_RLE8
) {
1009 /* TODO implement render code for bpix != 16 */
1010 printf("Error: only support 16 bpix");
1013 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
1021 byte_width
= width
* 2;
1023 for (i
= 0; i
< height
; ++i
) {
1025 for (j
= 0; j
< width
; j
++) {
1027 FB_PUT_BYTE(fb
, bmap
);
1029 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
1030 fb
+= sizeof(uint16_t) / sizeof(*fb
);
1033 bmap
+= (padded_width
- width
);
1034 fb
-= byte_width
+ lcd_line_length
;
1038 #if defined(CONFIG_BMP_16BPP)
1040 for (i
= 0; i
< height
; ++i
) {
1042 for (j
= 0; j
< width
; j
++)
1043 fb_put_word(&fb
, &bmap
);
1045 bmap
+= (padded_width
- width
) * 2;
1046 fb
-= width
* 2 + lcd_line_length
;
1049 #endif /* CONFIG_BMP_16BPP */
1050 #if defined(CONFIG_BMP_24BMP)
1052 for (i
= 0; i
< height
; ++i
) {
1053 for (j
= 0; j
< width
; j
++) {
1054 *(fb
++) = *(bmap
++);
1055 *(fb
++) = *(bmap
++);
1056 *(fb
++) = *(bmap
++);
1059 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
1062 #endif /* CONFIG_BMP_24BMP */
1063 #if defined(CONFIG_BMP_32BPP)
1065 for (i
= 0; i
< height
; ++i
) {
1066 for (j
= 0; j
< width
; j
++) {
1067 *(fb
++) = *(bmap
++);
1068 *(fb
++) = *(bmap
++);
1069 *(fb
++) = *(bmap
++);
1070 *(fb
++) = *(bmap
++);
1072 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
1075 #endif /* CONFIG_BMP_32BPP */
1085 static void *lcd_logo(void)
1087 #ifdef CONFIG_SPLASH_SCREEN
1090 static int do_splash
= 1;
1092 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
1096 if (splash_screen_prepare())
1097 return (void *)lcd_base
;
1099 addr
= simple_strtoul (s
, NULL
, 16);
1101 splash_get_pos(&x
, &y
);
1103 if (bmp_display(addr
, x
, y
) == 0)
1104 return (void *)lcd_base
;
1106 #endif /* CONFIG_SPLASH_SCREEN */
1110 #ifdef CONFIG_LCD_INFO
1111 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
1112 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
1113 lcd_show_board_info();
1114 #endif /* CONFIG_LCD_INFO */
1116 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1117 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
1119 return (void *)lcd_base
;
1120 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
1123 #ifdef CONFIG_SPLASHIMAGE_GUARD
1124 static int on_splashimage(const char *name
, const char *value
, enum env_op op
,
1130 if (op
== env_op_delete
)
1133 addr
= simple_strtoul(value
, NULL
, 16);
1134 /* See README.displaying-bmps */
1135 aligned
= (addr
% 4 == 2);
1137 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1144 U_BOOT_ENV_CALLBACK(splashimage
, on_splashimage
);
1147 void lcd_position_cursor(unsigned col
, unsigned row
)
1149 console_col
= min_t(short, col
, CONSOLE_COLS
- 1);
1150 console_row
= min_t(short, row
, CONSOLE_ROWS
- 1);
1153 int lcd_get_pixel_width(void)
1155 return panel_info
.vl_col
;
1158 int lcd_get_pixel_height(void)
1160 return panel_info
.vl_row
;
1163 int lcd_get_screen_rows(void)
1165 return CONSOLE_ROWS
;
1168 int lcd_get_screen_columns(void)
1170 return CONSOLE_COLS
;
1173 #if defined(CONFIG_LCD_DT_SIMPLEFB)
1174 static int lcd_dt_simplefb_configure_node(void *blob
, int off
)
1176 #if LCD_BPP == LCD_COLOR16
1177 return fdt_setup_simplefb_node(blob
, off
, gd
->fb_base
,
1178 panel_info
.vl_col
, panel_info
.vl_row
,
1179 panel_info
.vl_col
* 2, "r5g6b5");
1185 int lcd_dt_simplefb_add_node(void *blob
)
1187 static const char compat
[] = "simple-framebuffer";
1188 static const char disabled
[] = "disabled";
1191 off
= fdt_add_subnode(blob
, 0, "framebuffer");
1195 ret
= fdt_setprop(blob
, off
, "status", disabled
, sizeof(disabled
));
1199 ret
= fdt_setprop(blob
, off
, "compatible", compat
, sizeof(compat
));
1203 return lcd_dt_simplefb_configure_node(blob
, off
);
1206 int lcd_dt_simplefb_enable_existing_node(void *blob
)
1210 off
= fdt_node_offset_by_compatible(blob
, -1, "simple-framebuffer");
1214 return lcd_dt_simplefb_configure_node(blob
, off
);