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 #if defined(CONFIG_LCD_DT_SIMPLEFB)
64 /************************************************************************/
66 /************************************************************************/
67 #include <video_font.h> /* Get font data, width and height */
68 #include <video_font_data.h>
70 /************************************************************************/
72 /************************************************************************/
73 #ifdef CONFIG_LCD_LOGO
74 # include <bmp_logo.h> /* Get logo data, width and height */
75 # include <bmp_logo_data.h>
76 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
77 # error Default Color Map overlaps with Logo Color Map
81 #ifndef CONFIG_LCD_ALIGNMENT
82 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
85 /* By default we scroll by a single line */
86 #ifndef CONFIG_CONSOLE_SCROLL_LINES
87 #define CONFIG_CONSOLE_SCROLL_LINES 1
90 /************************************************************************/
91 /* ** CONSOLE DEFINITIONS & FUNCTIONS */
92 /************************************************************************/
93 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
94 # define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \
97 # define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT)
100 #define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH)
101 #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length)
102 #define CONSOLE_ROW_FIRST lcd_console_address
103 #define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE)
104 #define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \
106 #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS)
107 #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE)
109 #if LCD_BPP == LCD_MONOCHROME
110 # define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \
111 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7)
112 #elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16)
113 # define COLOR_MASK(c) (c)
115 # error Unsupported LCD BPP.
118 DECLARE_GLOBAL_DATA_PTR
;
120 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
);
121 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
);
122 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
);
124 static int lcd_init(void *lcdbase
);
126 static void *lcd_logo(void);
128 static int lcd_getbgcolor(void);
129 static void lcd_setfgcolor(int color
);
130 static void lcd_setbgcolor(int color
);
132 static int lcd_color_fg
;
133 static int lcd_color_bg
;
136 char lcd_is_enabled
= 0;
138 static short console_col
;
139 static short console_row
;
141 static void *lcd_console_address
;
142 static void *lcd_base
; /* Start of framebuffer memory */
144 static char lcd_flush_dcache
; /* 1 to flush dcache after each lcd update */
146 /************************************************************************/
148 /* Flush LCD activity to the caches */
152 * flush_dcache_range() is declared in common.h but it seems that some
153 * architectures do not actually implement it. Is there a way to find
154 * out whether it exists? For now, ARM is safe.
156 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
159 if (lcd_flush_dcache
)
160 flush_dcache_range((u32
)lcd_base
,
161 (u32
)(lcd_base
+ lcd_get_size(&line_length
)));
165 void lcd_set_flush_dcache(int flush
)
167 lcd_flush_dcache
= (flush
!= 0);
170 /*----------------------------------------------------------------------*/
172 static void console_scrollup(void)
174 const int rows
= CONFIG_CONSOLE_SCROLL_LINES
;
176 /* Copy up rows ignoring those that will be overwritten */
177 memcpy(CONSOLE_ROW_FIRST
,
178 lcd_console_address
+ CONSOLE_ROW_SIZE
* rows
,
179 CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
);
181 /* Clear the last rows */
182 memset(lcd_console_address
+ CONSOLE_SIZE
- CONSOLE_ROW_SIZE
* rows
,
183 COLOR_MASK(lcd_color_bg
),
184 CONSOLE_ROW_SIZE
* rows
);
190 /*----------------------------------------------------------------------*/
192 static inline void console_back(void)
194 if (--console_col
< 0) {
195 console_col
= CONSOLE_COLS
-1 ;
196 if (--console_row
< 0)
200 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
201 console_row
* VIDEO_FONT_HEIGHT
, ' ');
204 /*----------------------------------------------------------------------*/
206 static inline void console_newline(void)
210 /* Check if we need to scroll the terminal */
211 if (++console_row
>= CONSOLE_ROWS
)
217 /*----------------------------------------------------------------------*/
219 void lcd_putc(const char c
)
221 if (!lcd_is_enabled
) {
236 case '\t': /* Tab (8 chars alignment) */
240 if (console_col
>= CONSOLE_COLS
)
249 lcd_putc_xy(console_col
* VIDEO_FONT_WIDTH
,
250 console_row
* VIDEO_FONT_HEIGHT
, c
);
251 if (++console_col
>= CONSOLE_COLS
)
256 /*----------------------------------------------------------------------*/
258 void lcd_puts(const char *s
)
260 if (!lcd_is_enabled
) {
272 /*----------------------------------------------------------------------*/
274 void lcd_printf(const char *fmt
, ...)
277 char buf
[CONFIG_SYS_PBSIZE
];
280 vsprintf(buf
, fmt
, args
);
286 /************************************************************************/
287 /* ** Low-Level Graphics Routines */
288 /************************************************************************/
290 static void lcd_drawchars(ushort x
, ushort y
, uchar
*str
, int count
)
295 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
296 y
+= BMP_LOGO_HEIGHT
;
299 #if LCD_BPP == LCD_MONOCHROME
300 ushort off
= x
* (1 << LCD_BPP
) % 8;
303 dest
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* (1 << LCD_BPP
) / 8);
305 for (row
= 0; row
< VIDEO_FONT_HEIGHT
; ++row
, dest
+= lcd_line_length
) {
308 #if LCD_BPP == LCD_COLOR16
309 ushort
*d
= (ushort
*)dest
;
314 #if LCD_BPP == LCD_MONOCHROME
315 uchar rest
= *d
& -(1 << (8 - off
));
318 for (i
= 0; i
< count
; ++i
) {
322 bits
= video_fontdata
[c
* VIDEO_FONT_HEIGHT
+ row
];
324 #if LCD_BPP == LCD_MONOCHROME
325 sym
= (COLOR_MASK(lcd_color_fg
) & bits
) |
326 (COLOR_MASK(lcd_color_bg
) & ~bits
);
328 *d
++ = rest
| (sym
>> off
);
329 rest
= sym
<< (8-off
);
330 #elif LCD_BPP == LCD_COLOR8
331 for (c
= 0; c
< 8; ++c
) {
332 *d
++ = (bits
& 0x80) ?
333 lcd_color_fg
: lcd_color_bg
;
336 #elif LCD_BPP == LCD_COLOR16
337 for (c
= 0; c
< 8; ++c
) {
338 *d
++ = (bits
& 0x80) ?
339 lcd_color_fg
: lcd_color_bg
;
344 #if LCD_BPP == LCD_MONOCHROME
345 *d
= rest
| (*d
& ((1 << (8 - off
)) - 1));
350 /*----------------------------------------------------------------------*/
352 static inline void lcd_puts_xy(ushort x
, ushort y
, uchar
*s
)
354 lcd_drawchars(x
, y
, s
, strlen((char *)s
));
357 /*----------------------------------------------------------------------*/
359 static inline void lcd_putc_xy(ushort x
, ushort y
, uchar c
)
361 lcd_drawchars(x
, y
, &c
, 1);
364 /************************************************************************/
365 /** Small utility to check that you got the colours right */
366 /************************************************************************/
367 #ifdef LCD_TEST_PATTERN
372 static int test_colors
[N_BLK_HOR
* N_BLK_VERT
] = {
373 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
374 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
377 static void test_pattern(void)
379 ushort v_max
= panel_info
.vl_row
;
380 ushort h_max
= panel_info
.vl_col
;
381 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
382 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
384 uchar
*pix
= (uchar
*)lcd_base
;
386 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
387 h_max
, v_max
, h_step
, v_step
);
389 /* WARNING: Code silently assumes 8bit/pixel */
390 for (v
= 0; v
< v_max
; ++v
) {
391 uchar iy
= v
/ v_step
;
392 for (h
= 0; h
< h_max
; ++h
) {
393 uchar ix
= N_BLK_HOR
* iy
+ h
/ h_step
;
394 *pix
++ = test_colors
[ix
];
398 #endif /* LCD_TEST_PATTERN */
401 /************************************************************************/
402 /* ** GENERIC Initialization Routines */
403 /************************************************************************/
405 int lcd_get_size(int *line_length
)
407 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
408 return *line_length
* panel_info
.vl_row
;
411 int drv_lcd_init(void)
413 struct stdio_dev lcddev
;
416 lcd_base
= (void *) gd
->fb_base
;
418 lcd_init(lcd_base
); /* LCD initialization */
420 /* Device initialization */
421 memset(&lcddev
, 0, sizeof(lcddev
));
423 strcpy(lcddev
.name
, "lcd");
424 lcddev
.ext
= 0; /* No extensions */
425 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
426 lcddev
.putc
= lcd_putc
; /* 'putc' function */
427 lcddev
.puts
= lcd_puts
; /* 'puts' function */
429 rc
= stdio_register(&lcddev
);
431 return (rc
== 0) ? 1 : rc
;
434 /*----------------------------------------------------------------------*/
437 #if LCD_BPP == LCD_MONOCHROME
438 /* Setting the palette */
441 #elif LCD_BPP == LCD_COLOR8
442 /* Setting the palette */
443 lcd_setcolreg(CONSOLE_COLOR_BLACK
, 0, 0, 0);
444 lcd_setcolreg(CONSOLE_COLOR_RED
, 0xFF, 0, 0);
445 lcd_setcolreg(CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
446 lcd_setcolreg(CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
447 lcd_setcolreg(CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
448 lcd_setcolreg(CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
449 lcd_setcolreg(CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
450 lcd_setcolreg(CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
451 lcd_setcolreg(CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
454 #ifndef CONFIG_SYS_WHITE_ON_BLACK
455 lcd_setfgcolor(CONSOLE_COLOR_BLACK
);
456 lcd_setbgcolor(CONSOLE_COLOR_WHITE
);
458 lcd_setfgcolor(CONSOLE_COLOR_WHITE
);
459 lcd_setbgcolor(CONSOLE_COLOR_BLACK
);
460 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
462 #ifdef LCD_TEST_PATTERN
465 /* set framebuffer to background color */
466 memset((char *)lcd_base
,
467 COLOR_MASK(lcd_getbgcolor()),
468 lcd_line_length
* panel_info
.vl_row
);
470 /* Paint the logo and retrieve LCD base address */
471 debug("[LCD] Drawing the logo...\n");
472 lcd_console_address
= lcd_logo();
479 static int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
487 cls
, 1, 1, do_lcd_clear
,
492 /*----------------------------------------------------------------------*/
494 static int lcd_init(void *lcdbase
)
496 /* Initialize the lcd controller */
497 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
499 lcd_ctrl_init(lcdbase
);
502 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi_b) ignores
503 * the 'lcdbase' argument and uses custom lcd base address
504 * by setting up gd->fb_base. Check for this condition and fixup
505 * 'lcd_base' address.
507 if ((unsigned long)lcdbase
!= gd
->fb_base
)
508 lcd_base
= (void *)gd
->fb_base
;
510 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base
);
512 lcd_get_size(&lcd_line_length
);
513 lcd_line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
518 /* Initialize the console */
520 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
521 console_row
= 7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
;
523 console_row
= 1; /* leave 1 blank line below logo */
530 /************************************************************************/
531 /* ** ROM capable initialization part - needed to reserve FB memory */
532 /************************************************************************/
534 * This is called early in the system initialization to grab memory
535 * for the LCD controller.
536 * Returns new address for monitor, after reserving LCD buffer memory
538 * Note that this is running from ROM, so no write access to global data.
540 ulong
lcd_setmem(ulong addr
)
545 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
546 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
548 size
= lcd_get_size(&line_length
);
550 /* Round up to nearest full page, or MMU section if defined */
551 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
552 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
554 /* Allocate pages for the frame buffer. */
557 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
563 /*----------------------------------------------------------------------*/
565 static void lcd_setfgcolor(int color
)
567 lcd_color_fg
= color
;
570 /*----------------------------------------------------------------------*/
572 static void lcd_setbgcolor(int color
)
574 lcd_color_bg
= color
;
577 /*----------------------------------------------------------------------*/
579 int lcd_getfgcolor(void)
584 /*----------------------------------------------------------------------*/
586 static int lcd_getbgcolor(void)
591 /************************************************************************/
592 /* ** Chipset depending Bitmap / Logo stuff... */
593 /************************************************************************/
594 static inline ushort
*configuration_get_cmap(void)
596 #if defined CONFIG_CPU_PXA
597 struct pxafb_info
*fbi
= &panel_info
.pxa
;
598 return (ushort
*)fbi
->palette
;
599 #elif defined(CONFIG_MPC823)
600 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
601 cpm8xx_t
*cp
= &(immr
->im_cpm
);
602 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
603 #elif defined(CONFIG_ATMEL_LCD)
604 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
605 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
606 return panel_info
.cmap
;
607 #elif defined(CONFIG_LCD_LOGO)
608 return bmp_logo_palette
;
614 #ifdef CONFIG_LCD_LOGO
615 void bitmap_plot(int x
, int y
)
617 #ifdef CONFIG_ATMEL_LCD
618 uint
*cmap
= (uint
*)bmp_logo_palette
;
620 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
626 #if defined(CONFIG_MPC823)
627 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
628 cpm8xx_t
*cp
= &(immr
->im_cpm
);
630 unsigned bpix
= NBITS(panel_info
.vl_bpix
);
632 debug("Logo: width %d height %d colors %d cmap %d\n",
633 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
634 ARRAY_SIZE(bmp_logo_palette
));
636 bmap
= &bmp_logo_bitmap
[0];
637 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* bpix
/ 8);
640 /* Leave room for default color map
641 * default case: generic system with no cmap (most likely 16bpp)
642 * cmap was set to the source palette, so no change is done.
643 * This avoids even more ifdefs in the next stanza
645 #if defined(CONFIG_MPC823)
646 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
647 #elif defined(CONFIG_ATMEL_LCD)
648 cmap
= (uint
*)configuration_get_cmap();
650 cmap
= configuration_get_cmap();
656 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
657 ushort colreg
= bmp_logo_palette
[i
];
658 #ifdef CONFIG_ATMEL_LCD
660 #ifdef CONFIG_ATMEL_LCD_BGR555
661 lut_entry
= ((colreg
& 0x000F) << 11) |
662 ((colreg
& 0x00F0) << 2) |
663 ((colreg
& 0x0F00) >> 7);
664 #else /* CONFIG_ATMEL_LCD_RGB565 */
665 lut_entry
= ((colreg
& 0x000F) << 1) |
666 ((colreg
& 0x00F0) << 3) |
667 ((colreg
& 0x0F00) << 4);
669 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
671 #else /* !CONFIG_ATMEL_LCD */
672 #ifdef CONFIG_SYS_INVERT_COLORS
673 *cmap
++ = 0xffff - colreg
;
677 #endif /* CONFIG_ATMEL_LCD */
682 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
683 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
684 bmap
+= BMP_LOGO_WIDTH
;
685 fb
+= panel_info
.vl_col
;
688 else { /* true color mode */
691 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
692 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
693 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
695 ((col16
& 0x000F) << 1) |
696 ((col16
& 0x00F0) << 3) |
697 ((col16
& 0x0F00) << 4);
699 bmap
+= BMP_LOGO_WIDTH
;
700 fb16
+= panel_info
.vl_col
;
708 static inline void bitmap_plot(int x
, int y
) {}
709 #endif /* CONFIG_LCD_LOGO */
711 /*----------------------------------------------------------------------*/
712 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
714 * Display the BMP file located at address bmp_image.
718 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
719 #define BMP_ALIGN_CENTER 0x7FFF
721 static void splash_align_axis(int *axis
, unsigned long panel_size
,
722 unsigned long picture_size
)
724 unsigned long panel_picture_delta
= panel_size
- picture_size
;
725 unsigned long axis_alignment
;
727 if (*axis
== BMP_ALIGN_CENTER
)
728 axis_alignment
= panel_picture_delta
/ 2;
730 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
734 *axis
= max(0, axis_alignment
);
739 #ifdef CONFIG_LCD_BMP_RLE8
741 #define BMP_RLE8_ESCAPE 0
742 #define BMP_RLE8_EOL 0
743 #define BMP_RLE8_EOBMP 1
744 #define BMP_RLE8_DELTA 2
746 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
750 *(*fbp
)++ = cmap
[*bmap
++];
755 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
758 int cnt_8copy
= cnt
>> 3;
760 cnt
-= cnt_8copy
<< 3;
761 while (cnt_8copy
> 0) {
780 * Do not call this function directly, must be called from lcd_display_bitmap.
782 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
783 int x_off
, int y_off
)
791 width
= le32_to_cpu(bmp
->header
.width
);
792 height
= le32_to_cpu(bmp
->header
.height
);
793 bmap
= (uchar
*)bmp
+ le32_to_cpu(bmp
->header
.data_offset
);
799 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
806 /* 16bpix, 2-byte per pixel, width should *2 */
807 fb
-= (width
* 2 + lcd_line_length
);
817 /* 16bpix, 2-byte per pixel, x should *2 */
818 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
819 * lcd_line_length
+ (x
+ x_off
) * 2);
828 if (x
+ runlen
> width
)
832 draw_unencoded_bitmap(
847 /* aggregate the same code */
848 while (bmap
[0] == 0xff &&
849 bmap
[2] != BMP_RLE8_ESCAPE
&&
850 bmap
[1] == bmap
[3]) {
854 if (x
+ runlen
> width
)
858 draw_encoded_bitmap((ushort
**)&fb
,
869 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
870 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
872 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
875 #if defined(CONFIG_BMP_16BPP)
876 #if defined(CONFIG_ATMEL_LCD_BGR555)
877 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
879 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
880 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
884 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
886 *(*fb
)++ = *(*from
)++;
887 *(*fb
)++ = *(*from
)++;
890 #endif /* CONFIG_BMP_16BPP */
892 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
894 #if !defined(CONFIG_MCC200)
897 ushort
*cmap_base
= NULL
;
900 bmp_image_t
*bmp
=(bmp_image_t
*)bmp_image
;
903 unsigned long width
, height
, byte_width
;
904 unsigned long pwidth
= panel_info
.vl_col
;
905 unsigned colors
, bpix
, bmp_bpix
;
907 if (!bmp
|| !(bmp
->header
.signature
[0] == 'B' &&
908 bmp
->header
.signature
[1] == 'M')) {
909 printf("Error: no valid bmp image at %lx\n", bmp_image
);
914 width
= le32_to_cpu(bmp
->header
.width
);
915 height
= le32_to_cpu(bmp
->header
.height
);
916 bmp_bpix
= le16_to_cpu(bmp
->header
.bit_count
);
917 colors
= 1 << bmp_bpix
;
919 bpix
= NBITS(panel_info
.vl_bpix
);
921 if (bpix
!= 1 && bpix
!= 8 && bpix
!= 16 && bpix
!= 32) {
922 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
928 /* We support displaying 8bpp BMPs on 16bpp LCDs */
929 if (bpix
!= bmp_bpix
&& !(bmp_bpix
== 8 && bpix
== 16)) {
930 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
932 le16_to_cpu(bmp
->header
.bit_count
));
937 debug("Display-bmp: %d x %d with %d colors\n",
938 (int)width
, (int)height
, (int)colors
);
940 #if !defined(CONFIG_MCC200)
941 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
943 cmap
= configuration_get_cmap();
947 for (i
= 0; i
< colors
; ++i
) {
948 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
949 #if !defined(CONFIG_ATMEL_LCD)
951 ( ((cte
.red
) << 8) & 0xf800) |
952 ( ((cte
.green
) << 3) & 0x07e0) |
953 ( ((cte
.blue
) >> 3) & 0x001f) ;
954 #ifdef CONFIG_SYS_INVERT_COLORS
955 *cmap
= 0xffff - colreg
;
959 #if defined(CONFIG_MPC823)
964 #else /* CONFIG_ATMEL_LCD */
965 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
+ le32_to_cpu(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 if (le32_to_cpu(bmp
->header
.compression
) == BMP_BI_RLE8
) {
1011 /* TODO implement render code for bpix != 16 */
1012 printf("Error: only support 16 bpix");
1015 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
1023 byte_width
= width
* 2;
1025 for (i
= 0; i
< height
; ++i
) {
1027 for (j
= 0; j
< width
; j
++) {
1029 FB_PUT_BYTE(fb
, bmap
);
1031 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
1032 fb
+= sizeof(uint16_t) / sizeof(*fb
);
1035 bmap
+= (padded_width
- width
);
1036 fb
-= byte_width
+ lcd_line_length
;
1040 #if defined(CONFIG_BMP_16BPP)
1042 for (i
= 0; i
< height
; ++i
) {
1044 for (j
= 0; j
< width
; j
++)
1045 fb_put_word(&fb
, &bmap
);
1047 bmap
+= (padded_width
- width
) * 2;
1048 fb
-= width
* 2 + lcd_line_length
;
1051 #endif /* CONFIG_BMP_16BPP */
1053 #if defined(CONFIG_BMP_32BPP)
1055 for (i
= 0; i
< height
; ++i
) {
1056 for (j
= 0; j
< width
; j
++) {
1057 *(fb
++) = *(bmap
++);
1058 *(fb
++) = *(bmap
++);
1059 *(fb
++) = *(bmap
++);
1060 *(fb
++) = *(bmap
++);
1062 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
1065 #endif /* CONFIG_BMP_32BPP */
1075 #ifdef CONFIG_SPLASH_SCREEN_PREPARE
1076 static inline int splash_screen_prepare(void)
1078 return board_splash_screen_prepare();
1081 static inline int splash_screen_prepare(void)
1087 static void *lcd_logo(void)
1089 #ifdef CONFIG_SPLASH_SCREEN
1092 static int do_splash
= 1;
1094 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
1098 if (splash_screen_prepare())
1099 return (void *)gd
->fb_base
;
1101 addr
= simple_strtoul (s
, NULL
, 16);
1102 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1103 s
= getenv("splashpos");
1106 x
= BMP_ALIGN_CENTER
;
1108 x
= simple_strtol(s
, NULL
, 0);
1110 s
= strchr(s
+ 1, ',');
1113 y
= BMP_ALIGN_CENTER
;
1115 y
= simple_strtol (s
+ 1, NULL
, 0);
1118 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1120 if (bmp_display(addr
, x
, y
) == 0)
1121 return (void *)lcd_base
;
1123 #endif /* CONFIG_SPLASH_SCREEN */
1127 #ifdef CONFIG_LCD_INFO
1128 console_col
= LCD_INFO_X
/ VIDEO_FONT_WIDTH
;
1129 console_row
= LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
;
1130 lcd_show_board_info();
1131 #endif /* CONFIG_LCD_INFO */
1133 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
1134 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
1136 return (void *)lcd_base
;
1137 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
1140 #ifdef CONFIG_SPLASHIMAGE_GUARD
1141 static int on_splashimage(const char *name
, const char *value
, enum env_op op
,
1147 if (op
== env_op_delete
)
1150 addr
= simple_strtoul(value
, NULL
, 16);
1151 /* See README.displaying-bmps */
1152 aligned
= (addr
% 4 == 2);
1154 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
1161 U_BOOT_ENV_CALLBACK(splashimage
, on_splashimage
);
1164 void lcd_position_cursor(unsigned col
, unsigned row
)
1166 console_col
= min(col
, CONSOLE_COLS
- 1);
1167 console_row
= min(row
, CONSOLE_ROWS
- 1);
1170 int lcd_get_pixel_width(void)
1172 return panel_info
.vl_col
;
1175 int lcd_get_pixel_height(void)
1177 return panel_info
.vl_row
;
1180 int lcd_get_screen_rows(void)
1182 return CONSOLE_ROWS
;
1185 int lcd_get_screen_columns(void)
1187 return CONSOLE_COLS
;
1190 #if defined(CONFIG_LCD_DT_SIMPLEFB)
1191 static int lcd_dt_simplefb_configure_node(void *blob
, int off
)
1196 const char format
[] =
1197 #if LCD_BPP == LCD_COLOR16
1206 stride
= panel_info
.vl_col
* 2;
1208 cells
[0] = cpu_to_fdt32(gd
->fb_base
);
1209 cells
[1] = cpu_to_fdt32(stride
* panel_info
.vl_row
);
1210 ret
= fdt_setprop(blob
, off
, "reg", cells
, sizeof(cells
[0]) * 2);
1214 cells
[0] = cpu_to_fdt32(panel_info
.vl_col
);
1215 ret
= fdt_setprop(blob
, off
, "width", cells
, sizeof(cells
[0]));
1219 cells
[0] = cpu_to_fdt32(panel_info
.vl_row
);
1220 ret
= fdt_setprop(blob
, off
, "height", cells
, sizeof(cells
[0]));
1224 cells
[0] = cpu_to_fdt32(stride
);
1225 ret
= fdt_setprop(blob
, off
, "stride", cells
, sizeof(cells
[0]));
1229 ret
= fdt_setprop(blob
, off
, "format", format
, strlen(format
) + 1);
1233 ret
= fdt_delprop(blob
, off
, "status");
1240 int lcd_dt_simplefb_add_node(void *blob
)
1242 const char compat
[] = "simple-framebuffer";
1243 const char disabled
[] = "disabled";
1246 off
= fdt_add_subnode(blob
, 0, "framebuffer");
1250 ret
= fdt_setprop(blob
, off
, "status", disabled
, sizeof(disabled
));
1254 ret
= fdt_setprop(blob
, off
, "compatible", compat
, sizeof(compat
));
1258 return lcd_dt_simplefb_configure_node(blob
, off
);
1261 int lcd_dt_simplefb_enable_existing_node(void *blob
)
1265 off
= fdt_node_offset_by_compatible(blob
, -1, "simple-framebuffer");
1269 return lcd_dt_simplefb_configure_node(blob
, off
);