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>
34 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
35 defined(CONFIG_CPU_MONAHANS)
36 #define CONFIG_CPU_PXA
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 # define COLOR_MASK(c) (c)
106 # error Unsupported LCD BPP.
109 DECLARE_GLOBAL_DATA_PTR
;
111 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
);
112 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
);
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 int lcd_getbgcolor(void);
120 static void lcd_setfgcolor(int color
);
121 static void lcd_setbgcolor(int color
);
123 static int lcd_color_fg
;
124 static int lcd_color_bg
;
127 char lcd_is_enabled
= 0;
129 static short console_col
;
130 static short console_row
;
132 static void *lcd_console_address
;
133 static void *lcd_base
; /* Start of framebuffer memory */
135 static char lcd_flush_dcache
; /* 1 to flush dcache after each lcd update */
137 /************************************************************************/
139 /* Flush LCD activity to the caches */
143 * flush_dcache_range() is declared in common.h but it seems that some
144 * architectures do not actually implement it. Is there a way to find
145 * out whether it exists? For now, ARM is safe.
147 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
150 if (lcd_flush_dcache
)
151 flush_dcache_range((u32
)lcd_base
,
152 (u32
)(lcd_base
+ lcd_get_size(&line_length
)));
153 #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
154 static ulong last_sync
;
156 if (get_timer(last_sync
) > 10) {
157 sandbox_sdl_sync(lcd_base
);
158 last_sync
= get_timer(0);
163 void lcd_set_flush_dcache(int flush
)
165 lcd_flush_dcache
= (flush
!= 0);
168 /*----------------------------------------------------------------------*/
170 static void console_scrollup(void)
172 const int rows
= CONFIG_CONSOLE_SCROLL_LINES
;
174 /* Copy up rows ignoring those that will be overwritten */
175 memcpy(CONSOLE_ROW_FIRST
,
176 lcd_console_address
+ CONSOLE_ROW_SIZE
* rows
,
177 CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
);
179 /* Clear the last rows */
180 memset(lcd_console_address
+ CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
,
181 COLOR_MASK(lcd_color_bg
),
182 CONSOLE_ROW_SIZE
* rows
);
188 /*----------------------------------------------------------------------*/
190 static inline void console_back(void)
192 if (--console_col
< 0) {
193 console_col
= CONSOLE_COLS
-1 ;
194 if (--console_row
< 0)
198 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
199 console_row
* VIDEO_FONT_HEIGHT
, ' ');
202 /*----------------------------------------------------------------------*/
204 static inline void console_newline(void)
208 /* Check if we need to scroll the terminal */
209 if (++console_row
>= CONSOLE_ROWS
)
215 /*----------------------------------------------------------------------*/
217 void lcd_putc(const char c
)
219 if (!lcd_is_enabled
) {
234 case '\t': /* Tab (8 chars alignment) */
238 if (console_col
>= CONSOLE_COLS
)
247 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
248 console_row
* VIDEO_FONT_HEIGHT
, c
);
249 if (++console_col
>= CONSOLE_COLS
)
254 /*----------------------------------------------------------------------*/
256 void lcd_puts(const char *s
)
258 if (!lcd_is_enabled
) {
270 /*----------------------------------------------------------------------*/
272 void lcd_printf(const char *fmt
, ...)
275 char buf
[CONFIG_SYS_PBSIZE
];
278 vsprintf(buf
, fmt
, args
);
284 /************************************************************************/
285 /* ** Low-Level Graphics Routines */
286 /************************************************************************/
288 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
)
293 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
294 y
+= BMP_LOGO_HEIGHT
;
297 #if LCD_BPP == LCD_MONOCHROME
298 ushort off
= x
* (1 << LCD_BPP
) % 8;
301 dest
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* (1 << LCD_BPP
) / 8);
303 for (row
= 0; row
< VIDEO_FONT_HEIGHT
; ++row
, dest
+= lcd_line_length
) {
306 #if LCD_BPP == LCD_COLOR16
307 ushort
*d
= (ushort
*)dest
;
312 #if LCD_BPP == LCD_MONOCHROME
313 uchar rest
= *d
& -(1 << (8 - off
));
316 for (i
= 0; i
< count
; ++i
) {
320 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
322 #if LCD_BPP == LCD_MONOCHROME
323 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
324 (COLOR_MASK(lcd_color_bg
) & ~bits
);
326 *d
++ = rest
| (sym
>> off
);
327 rest
= sym
<< (8-off
);
328 #elif LCD_BPP == LCD_COLOR8
329 for (c
= 0; c
< 8; ++c
) {
330 *d
++ = (bits
& 0x80) ?
331 lcd_color_fg
: lcd_color_bg
;
334 #elif LCD_BPP == LCD_COLOR16
335 for (c
= 0; c
< 8; ++c
) {
336 *d
++ = (bits
& 0x80) ?
337 lcd_color_fg
: lcd_color_bg
;
342 #if LCD_BPP == LCD_MONOCHROME
343 *d
= rest
| (*d
& ((1 << (8 - off
)) - 1));
348 /*----------------------------------------------------------------------*/
350 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
)
352 lcd_drawchars(x
, y
, s
, strlen((char *)s
));
355 /*----------------------------------------------------------------------*/
357 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
)
359 lcd_drawchars(x
, y
, &c
, 1);
362 /************************************************************************/
363 /** Small utility to check that you got the colours right */
364 /************************************************************************/
365 #ifdef LCD_TEST_PATTERN
370 static int test_colors
[N_BLK_HOR
* N_BLK_VERT
] = {
371 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
372 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
375 static void test_pattern(void)
377 ushort v_max
= panel_info
.vl_row
;
378 ushort h_max
= panel_info
.vl_col
;
379 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
380 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
382 uchar
*pix
= (uchar
*)lcd_base
;
384 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
385 h_max
, v_max
, h_step
, v_step
);
387 /* WARNING: Code silently assumes 8bit/pixel */
388 for (v
= 0; v
< v_max
; ++v
) {
389 uchar iy
= v
/ v_step
;
390 for (h
= 0; h
< h_max
; ++h
) {
391 uchar ix
= N_BLK_HOR
* iy
+ h
/ h_step
;
392 *pix
++ = test_colors
[ix
];
396 #endif /* LCD_TEST_PATTERN */
399 /************************************************************************/
400 /* ** GENERIC Initialization Routines */
401 /************************************************************************/
403 * With most lcd drivers the line length is set up
404 * by calculating it from panel_info parameters. Some
405 * drivers need to calculate the line length differently,
406 * so make the function weak to allow overriding it.
408 __weak
int lcd_get_size(int *line_length
)
410 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
411 return *line_length
* panel_info
.vl_row
;
414 int drv_lcd_init(void)
416 struct stdio_dev lcddev
;
419 lcd_base
= map_sysmem(gd
->fb_base
, 0);
421 lcd_init(lcd_base
); /* LCD initialization */
423 /* Device initialization */
424 memset(&lcddev
, 0, sizeof(lcddev
));
426 strcpy(lcddev
.name
, "lcd");
427 lcddev
.ext
= 0; /* No extensions */
428 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
429 lcddev
.putc
= lcd_putc
; /* 'putc' function */
430 lcddev
.puts
= lcd_puts
; /* 'puts' function */
432 rc
= stdio_register(&lcddev
);
434 return (rc
== 0) ? 1 : rc
;
437 /*----------------------------------------------------------------------*/
440 #if LCD_BPP == LCD_MONOCHROME
441 /* Setting the palette */
444 #elif LCD_BPP == LCD_COLOR8
445 /* Setting the palette */
446 lcd_setcolreg(CONSOLE_COLOR_BLACK
, 0, 0, 0);
447 lcd_setcolreg(CONSOLE_COLOR_RED
, 0xFF, 0, 0);
448 lcd_setcolreg(CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
449 lcd_setcolreg(CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
450 lcd_setcolreg(CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
451 lcd_setcolreg(CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
452 lcd_setcolreg(CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
453 lcd_setcolreg(CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
454 lcd_setcolreg(CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
457 #ifndef CONFIG_SYS_WHITE_ON_BLACK
458 lcd_setfgcolor(CONSOLE_COLOR_BLACK
);
459 lcd_setbgcolor(CONSOLE_COLOR_WHITE
);
461 lcd_setfgcolor(CONSOLE_COLOR_WHITE
);
462 lcd_setbgcolor(CONSOLE_COLOR_BLACK
);
463 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
465 #ifdef LCD_TEST_PATTERN
468 /* set framebuffer to background color */
469 memset((char *)lcd_base
,
470 COLOR_MASK(lcd_getbgcolor()),
471 lcd_line_length
* panel_info
.vl_row
);
473 /* Paint the logo and retrieve LCD base address */
474 debug("[LCD] Drawing the logo...\n");
475 lcd_console_address
= lcd_logo();
482 static int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
490 cls
, 1, 1, do_lcd_clear
,
495 /*----------------------------------------------------------------------*/
497 static int lcd_init(void *lcdbase
)
499 /* Initialize the lcd controller */
500 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
502 lcd_ctrl_init(lcdbase
);
505 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi_b) ignores
506 * the 'lcdbase' argument and uses custom lcd base address
507 * by setting up gd->fb_base. Check for this condition and fixup
508 * 'lcd_base' address.
510 if (map_to_sysmem(lcdbase
) != gd
->fb_base
)
511 lcd_base
= map_sysmem(gd
->fb_base
, 0);
513 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base
);
515 lcd_get_size(&lcd_line_length
);
520 /* Initialize the console */
522 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
523 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
525 console_row
= 1; /* leave 1 blank line below logo */
532 /************************************************************************/
533 /* ** ROM capable initialization part - needed to reserve FB memory */
534 /************************************************************************/
536 * This is called early in the system initialization to grab memory
537 * for the LCD controller.
538 * Returns new address for monitor, after reserving LCD buffer memory
540 * Note that this is running from ROM, so no write access to global data.
542 ulong
lcd_setmem(ulong addr
)
547 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
548 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
550 size
= lcd_get_size(&line_length
);
552 /* Round up to nearest full page, or MMU section if defined */
553 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
554 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
556 /* Allocate pages for the frame buffer. */
559 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
565 /*----------------------------------------------------------------------*/
567 static void lcd_setfgcolor(int color
)
569 lcd_color_fg
= color
;
572 /*----------------------------------------------------------------------*/
574 static void lcd_setbgcolor(int color
)
576 lcd_color_bg
= color
;
579 /*----------------------------------------------------------------------*/
581 int lcd_getfgcolor(void)
586 /*----------------------------------------------------------------------*/
588 static int lcd_getbgcolor(void)
593 /************************************************************************/
594 /* ** Chipset depending Bitmap / Logo stuff... */
595 /************************************************************************/
596 static inline ushort
*configuration_get_cmap(void)
598 #if defined CONFIG_CPU_PXA
599 struct pxafb_info
*fbi
= &panel_info
.pxa
;
600 return (ushort
*)fbi
->palette
;
601 #elif defined(CONFIG_MPC823)
602 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
603 cpm8xx_t
*cp
= &(immr
->im_cpm
);
604 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
605 #elif defined(CONFIG_ATMEL_LCD)
606 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
607 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
608 return panel_info
.cmap
;
609 #elif defined(CONFIG_LCD_LOGO)
610 return bmp_logo_palette
;
616 #ifdef CONFIG_LCD_LOGO
617 void bitmap_plot(int x
, int y
)
619 #ifdef CONFIG_ATMEL_LCD
620 uint
*cmap
= (uint
*)bmp_logo_palette
;
622 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
628 #if defined(CONFIG_MPC823)
629 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
630 cpm8xx_t
*cp
= &(immr
->im_cpm
);
632 unsigned bpix
= NBITS(panel_info
.vl_bpix
);
634 debug("Logo: width %d height %d colors %d cmap %d\n",
635 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
636 ARRAY_SIZE(bmp_logo_palette
));
638 bmap
= &bmp_logo_bitmap
[0];
639 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* bpix
/ 8);
642 /* Leave room for default color map
643 * default case: generic system with no cmap (most likely 16bpp)
644 * cmap was set to the source palette, so no change is done.
645 * This avoids even more ifdefs in the next stanza
647 #if defined(CONFIG_MPC823)
648 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
649 #elif defined(CONFIG_ATMEL_LCD)
650 cmap
= (uint
*)configuration_get_cmap();
652 cmap
= configuration_get_cmap();
658 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
659 ushort colreg
= bmp_logo_palette
[i
];
660 #ifdef CONFIG_ATMEL_LCD
662 #ifdef CONFIG_ATMEL_LCD_BGR555
663 lut_entry
= ((colreg
& 0x000F) << 11) |
664 ((colreg
& 0x00F0) << 2) |
665 ((colreg
& 0x0F00) >> 7);
666 #else /* CONFIG_ATMEL_LCD_RGB565 */
667 lut_entry
= ((colreg
& 0x000F) << 1) |
668 ((colreg
& 0x00F0) << 3) |
669 ((colreg
& 0x0F00) << 4);
671 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
673 #else /* !CONFIG_ATMEL_LCD */
674 #ifdef CONFIG_SYS_INVERT_COLORS
675 *cmap
++ = 0xffff - colreg
;
679 #endif /* CONFIG_ATMEL_LCD */
684 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
685 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
686 bmap
+= BMP_LOGO_WIDTH
;
687 fb
+= panel_info
.vl_col
;
690 else { /* true color mode */
693 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
694 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
695 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
697 ((col16
& 0x000F) << 1) |
698 ((col16
& 0x00F0) << 3) |
699 ((col16
& 0x0F00) << 4);
701 bmap
+= BMP_LOGO_WIDTH
;
702 fb16
+= panel_info
.vl_col
;
710 static inline void bitmap_plot(int x
, int y
) {}
711 #endif /* CONFIG_LCD_LOGO */
713 /*----------------------------------------------------------------------*/
714 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
716 * Display the BMP file located at address bmp_image.
720 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
721 #define BMP_ALIGN_CENTER 0x7FFF
723 static void splash_align_axis(int *axis
, unsigned long panel_size
,
724 unsigned long picture_size
)
726 unsigned long panel_picture_delta
= panel_size
- picture_size
;
727 unsigned long axis_alignment
;
729 if (*axis
== BMP_ALIGN_CENTER
)
730 axis_alignment
= panel_picture_delta
/ 2;
732 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
736 *axis
= max(0, axis_alignment
);
741 #ifdef CONFIG_LCD_BMP_RLE8
743 #define BMP_RLE8_ESCAPE 0
744 #define BMP_RLE8_EOL 0
745 #define BMP_RLE8_EOBMP 1
746 #define BMP_RLE8_DELTA 2
748 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
752 *(*fbp
)++ = cmap
[*bmap
++];
757 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
760 int cnt_8copy
= cnt
>> 3;
762 cnt
-= cnt_8copy
<< 3;
763 while (cnt_8copy
> 0) {
782 * Do not call this function directly, must be called from lcd_display_bitmap.
784 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
785 int x_off
, int y_off
)
793 width
= get_unaligned_le32(&bmp
->header
.width
);
794 height
= get_unaligned_le32(&bmp
->header
.height
);
795 bmap
= (uchar
*)bmp
+ get_unaligned_le32(&bmp
->header
.data_offset
);
801 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
808 /* 16bpix, 2-byte per pixel, width should *2 */
809 fb
-= (width
* 2 + lcd_line_length
);
819 /* 16bpix, 2-byte per pixel, x should *2 */
820 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
821 * lcd_line_length
+ (x
+ x_off
) * 2);
830 if (x
+ runlen
> width
)
834 draw_unencoded_bitmap(
849 /* aggregate the same code */
850 while (bmap
[0] == 0xff &&
851 bmap
[2] != BMP_RLE8_ESCAPE
&&
852 bmap
[1] == bmap
[3]) {
856 if (x
+ runlen
> width
)
860 draw_encoded_bitmap((ushort
**)&fb
,
871 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
872 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
874 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
877 #if defined(CONFIG_BMP_16BPP)
878 #if defined(CONFIG_ATMEL_LCD_BGR555)
879 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
881 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
882 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
886 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
888 *(*fb
)++ = *(*from
)++;
889 *(*fb
)++ = *(*from
)++;
892 #endif /* CONFIG_BMP_16BPP */
894 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
896 #if !defined(CONFIG_MCC200)
899 ushort
*cmap_base
= NULL
;
902 bmp_image_t
*bmp
= (bmp_image_t
*)map_sysmem(bmp_image
, 0);
905 unsigned long width
, height
, byte_width
;
906 unsigned long pwidth
= panel_info
.vl_col
;
907 unsigned colors
, bpix
, bmp_bpix
;
909 if (!bmp
|| !(bmp
->header
.signature
[0] == 'B' &&
910 bmp
->header
.signature
[1] == 'M')) {
911 printf("Error: no valid bmp image at %lx\n", bmp_image
);
916 width
= get_unaligned_le32(&bmp
->header
.width
);
917 height
= get_unaligned_le32(&bmp
->header
.height
);
918 bmp_bpix
= get_unaligned_le16(&bmp
->header
.bit_count
);
920 colors
= 1 << bmp_bpix
;
922 bpix
= NBITS(panel_info
.vl_bpix
);
924 if (bpix
!= 1 && bpix
!= 8 && bpix
!= 16 && bpix
!= 32) {
925 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
931 /* We support displaying 8bpp BMPs on 16bpp LCDs */
932 if (bpix
!= bmp_bpix
&& !(bmp_bpix
== 8 && bpix
== 16)) {
933 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
934 bpix
, get_unaligned_le16(&bmp
->header
.bit_count
));
938 debug("Display-bmp: %d x %d with %d colors\n",
939 (int)width
, (int)height
, (int)colors
);
941 #if !defined(CONFIG_MCC200)
942 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
944 cmap
= configuration_get_cmap();
948 for (i
= 0; i
< colors
; ++i
) {
949 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
950 #if !defined(CONFIG_ATMEL_LCD)
952 ( ((cte
.red
) << 8) & 0xf800) |
953 ( ((cte
.green
) << 3) & 0x07e0) |
954 ( ((cte
.blue
) >> 3) & 0x001f) ;
955 #ifdef CONFIG_SYS_INVERT_COLORS
956 *cmap
= 0xffff - colreg
;
960 #if defined(CONFIG_MPC823)
965 #else /* CONFIG_ATMEL_LCD */
966 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
972 * BMP format for Monochrome assumes that the state of a
973 * pixel is described on a per Bit basis, not per Byte.
974 * So, in case of Monochrome BMP we should align widths
975 * on a byte boundary and convert them from Bit to Byte
977 * Probably, PXA250 and MPC823 process 1bpp BMP images in
978 * their own ways, so make the converting to be MCC200
981 #if defined(CONFIG_MCC200)
983 width
= ((width
+ 7) & ~7) >> 3;
984 x
= ((x
+ 7) & ~7) >> 3;
985 pwidth
= ((pwidth
+ 7) & ~7) >> 3;
989 padded_width
= (width
& 0x3 ? (width
& ~0x3) + 4 : width
);
991 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
992 splash_align_axis(&x
, pwidth
, width
);
993 splash_align_axis(&y
, panel_info
.vl_row
, height
);
994 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
996 if ((x
+ width
) > pwidth
)
998 if ((y
+ height
) > panel_info
.vl_row
)
999 height
= panel_info
.vl_row
- y
;
1001 bmap
= (uchar
*)bmp
+ get_unaligned_le32(&bmp
->header
.data_offset
);
1002 fb
= (uchar
*)(lcd_base
+
1003 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
1006 case 1: /* pass through */
1008 #ifdef CONFIG_LCD_BMP_RLE8
1009 u32 compression
= get_unaligned_le32(&bmp
->header
.compression
);
1010 if (compression
== BMP_BI_RLE8
) {
1012 /* TODO implement render code for bpix != 16 */
1013 printf("Error: only support 16 bpix");
1016 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
1024 byte_width
= width
* 2;
1026 for (i
= 0; i
< height
; ++i
) {
1028 for (j
= 0; j
< width
; j
++) {
1030 FB_PUT_BYTE(fb
, bmap
);
1032 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
1033 fb
+= sizeof(uint16_t) / sizeof(*fb
);
1036 bmap
+= (padded_width
- width
);
1037 fb
-= byte_width
+ lcd_line_length
;
1041 #if defined(CONFIG_BMP_16BPP)
1043 for (i
= 0; i
< height
; ++i
) {
1045 for (j
= 0; j
< width
; j
++)
1046 fb_put_word(&fb
, &bmap
);
1048 bmap
+= (padded_width
- width
) * 2;
1049 fb
-= width
* 2 + lcd_line_length
;
1052 #endif /* CONFIG_BMP_16BPP */
1054 #if defined(CONFIG_BMP_32BPP)
1056 for (i
= 0; i
< height
; ++i
) {
1057 for (j
= 0; j
< width
; j
++) {
1058 *(fb
++) = *(bmap
++);
1059 *(fb
++) = *(bmap
++);
1060 *(fb
++) = *(bmap
++);
1061 *(fb
++) = *(bmap
++);
1063 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
1066 #endif /* CONFIG_BMP_32BPP */
1076 static void *lcd_logo(void)
1078 #ifdef CONFIG_SPLASH_SCREEN
1081 static int do_splash
= 1;
1083 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
1087 if (splash_screen_prepare())
1088 return (void *)lcd_base
;
1090 addr
= simple_strtoul (s
, NULL
, 16);
1092 splash_get_pos(&x
, &y
);
1094 if (bmp_display(addr
, x
, y
) == 0)
1095 return (void *)lcd_base
;
1097 #endif /* CONFIG_SPLASH_SCREEN */
1101 #ifdef CONFIG_LCD_INFO
1102 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
1103 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
1104 lcd_show_board_info();
1105 #endif /* CONFIG_LCD_INFO */
1107 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1108 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
1110 return (void *)lcd_base
;
1111 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
1114 #ifdef CONFIG_SPLASHIMAGE_GUARD
1115 static int on_splashimage(const char *name
, const char *value
, enum env_op op
,
1121 if (op
== env_op_delete
)
1124 addr
= simple_strtoul(value
, NULL
, 16);
1125 /* See README.displaying-bmps */
1126 aligned
= (addr
% 4 == 2);
1128 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1135 U_BOOT_ENV_CALLBACK(splashimage
, on_splashimage
);
1138 void lcd_position_cursor(unsigned col
, unsigned row
)
1140 console_col
= min(col
, CONSOLE_COLS
- 1);
1141 console_row
= min(row
, CONSOLE_ROWS
- 1);
1144 int lcd_get_pixel_width(void)
1146 return panel_info
.vl_col
;
1149 int lcd_get_pixel_height(void)
1151 return panel_info
.vl_row
;
1154 int lcd_get_screen_rows(void)
1156 return CONSOLE_ROWS
;
1159 int lcd_get_screen_columns(void)
1161 return CONSOLE_COLS
;
1164 #if defined(CONFIG_LCD_DT_SIMPLEFB)
1165 static int lcd_dt_simplefb_configure_node(void *blob
, int off
)
1170 static const char format
[] =
1171 #if LCD_BPP == LCD_COLOR16
1180 stride
= panel_info
.vl_col
* 2;
1182 cells
[0] = cpu_to_fdt32(gd
->fb_base
);
1183 cells
[1] = cpu_to_fdt32(stride
* panel_info
.vl_row
);
1184 ret
= fdt_setprop(blob
, off
, "reg", cells
, sizeof(cells
[0]) * 2);
1188 cells
[0] = cpu_to_fdt32(panel_info
.vl_col
);
1189 ret
= fdt_setprop(blob
, off
, "width", cells
, sizeof(cells
[0]));
1193 cells
[0] = cpu_to_fdt32(panel_info
.vl_row
);
1194 ret
= fdt_setprop(blob
, off
, "height", cells
, sizeof(cells
[0]));
1198 cells
[0] = cpu_to_fdt32(stride
);
1199 ret
= fdt_setprop(blob
, off
, "stride", cells
, sizeof(cells
[0]));
1203 ret
= fdt_setprop(blob
, off
, "format", format
, strlen(format
) + 1);
1207 ret
= fdt_delprop(blob
, off
, "status");
1214 int lcd_dt_simplefb_add_node(void *blob
)
1216 static const char compat
[] = "simple-framebuffer";
1217 static const char disabled
[] = "disabled";
1220 off
= fdt_add_subnode(blob
, 0, "framebuffer");
1224 ret
= fdt_setprop(blob
, off
, "status", disabled
, sizeof(disabled
));
1228 ret
= fdt_setprop(blob
, off
, "compatible", compat
, sizeof(compat
));
1232 return lcd_dt_simplefb_configure_node(blob
, off
);
1235 int lcd_dt_simplefb_enable_existing_node(void *blob
)
1239 off
= fdt_node_offset_by_compatible(blob
, -1, "simple-framebuffer");
1243 return lcd_dt_simplefb_configure_node(blob
, off
);