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 #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
77 (LCD_BPP != LCD_COLOR32)
78 # error Unsupported LCD BPP.
81 DECLARE_GLOBAL_DATA_PTR
;
83 static int lcd_init(void *lcdbase
);
85 static void *lcd_logo(void);
87 static void lcd_setfgcolor(int color
);
88 static void lcd_setbgcolor(int color
);
90 static int lcd_color_fg
;
91 static int lcd_color_bg
;
94 char lcd_is_enabled
= 0;
96 static void *lcd_base
; /* Start of framebuffer memory */
98 static char lcd_flush_dcache
; /* 1 to flush dcache after each lcd update */
100 /************************************************************************/
102 /* Flush LCD activity to the caches */
106 * flush_dcache_range() is declared in common.h but it seems that some
107 * architectures do not actually implement it. Is there a way to find
108 * out whether it exists? For now, ARM is safe.
110 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
113 if (lcd_flush_dcache
)
114 flush_dcache_range((u32
)lcd_base
,
115 (u32
)(lcd_base
+ lcd_get_size(&line_length
)));
116 #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL)
117 static ulong last_sync
;
119 if (get_timer(last_sync
) > 10) {
120 sandbox_sdl_sync(lcd_base
);
121 last_sync
= get_timer(0);
126 void lcd_set_flush_dcache(int flush
)
128 lcd_flush_dcache
= (flush
!= 0);
131 /*----------------------------------------------------------------------*/
133 static void lcd_stub_putc(struct stdio_dev
*dev
, const char c
)
138 static void lcd_stub_puts(struct stdio_dev
*dev
, const char *s
)
143 /************************************************************************/
144 /** Small utility to check that you got the colours right */
145 /************************************************************************/
146 #ifdef LCD_TEST_PATTERN
151 static int test_colors
[N_BLK_HOR
* N_BLK_VERT
] = {
152 CONSOLE_COLOR_RED
, CONSOLE_COLOR_GREEN
, CONSOLE_COLOR_YELLOW
,
153 CONSOLE_COLOR_BLUE
, CONSOLE_COLOR_MAGENTA
, CONSOLE_COLOR_CYAN
,
156 static void test_pattern(void)
158 ushort v_max
= panel_info
.vl_row
;
159 ushort h_max
= panel_info
.vl_col
;
160 ushort v_step
= (v_max
+ N_BLK_VERT
- 1) / N_BLK_VERT
;
161 ushort h_step
= (h_max
+ N_BLK_HOR
- 1) / N_BLK_HOR
;
163 uchar
*pix
= (uchar
*)lcd_base
;
165 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
166 h_max
, v_max
, h_step
, v_step
);
168 /* WARNING: Code silently assumes 8bit/pixel */
169 for (v
= 0; v
< v_max
; ++v
) {
170 uchar iy
= v
/ v_step
;
171 for (h
= 0; h
< h_max
; ++h
) {
172 uchar ix
= N_BLK_HOR
* iy
+ h
/ h_step
;
173 *pix
++ = test_colors
[ix
];
177 #endif /* LCD_TEST_PATTERN */
180 /************************************************************************/
181 /* ** GENERIC Initialization Routines */
182 /************************************************************************/
184 * With most lcd drivers the line length is set up
185 * by calculating it from panel_info parameters. Some
186 * drivers need to calculate the line length differently,
187 * so make the function weak to allow overriding it.
189 __weak
int lcd_get_size(int *line_length
)
191 *line_length
= (panel_info
.vl_col
* NBITS(panel_info
.vl_bpix
)) / 8;
192 return *line_length
* panel_info
.vl_row
;
195 int drv_lcd_init(void)
197 struct stdio_dev lcddev
;
200 lcd_base
= map_sysmem(gd
->fb_base
, 0);
202 lcd_init(lcd_base
); /* LCD initialization */
204 /* Device initialization */
205 memset(&lcddev
, 0, sizeof(lcddev
));
207 strcpy(lcddev
.name
, "lcd");
208 lcddev
.ext
= 0; /* No extensions */
209 lcddev
.flags
= DEV_FLAGS_OUTPUT
; /* Output only */
210 lcddev
.putc
= lcd_stub_putc
; /* 'putc' function */
211 lcddev
.puts
= lcd_stub_puts
; /* 'puts' function */
213 rc
= stdio_register(&lcddev
);
215 return (rc
== 0) ? 1 : rc
;
218 /*----------------------------------------------------------------------*/
221 short console_rows
, console_cols
;
223 #if LCD_BPP == LCD_COLOR8
224 /* Setting the palette */
225 lcd_setcolreg(CONSOLE_COLOR_BLACK
, 0, 0, 0);
226 lcd_setcolreg(CONSOLE_COLOR_RED
, 0xFF, 0, 0);
227 lcd_setcolreg(CONSOLE_COLOR_GREEN
, 0, 0xFF, 0);
228 lcd_setcolreg(CONSOLE_COLOR_YELLOW
, 0xFF, 0xFF, 0);
229 lcd_setcolreg(CONSOLE_COLOR_BLUE
, 0, 0, 0xFF);
230 lcd_setcolreg(CONSOLE_COLOR_MAGENTA
, 0xFF, 0, 0xFF);
231 lcd_setcolreg(CONSOLE_COLOR_CYAN
, 0, 0xFF, 0xFF);
232 lcd_setcolreg(CONSOLE_COLOR_GREY
, 0xAA, 0xAA, 0xAA);
233 lcd_setcolreg(CONSOLE_COLOR_WHITE
, 0xFF, 0xFF, 0xFF);
236 #ifndef CONFIG_SYS_WHITE_ON_BLACK
237 lcd_setfgcolor(CONSOLE_COLOR_BLACK
);
238 lcd_setbgcolor(CONSOLE_COLOR_WHITE
);
239 bg_color
= CONSOLE_COLOR_WHITE
;
241 lcd_setfgcolor(CONSOLE_COLOR_WHITE
);
242 lcd_setbgcolor(CONSOLE_COLOR_BLACK
);
243 bg_color
= CONSOLE_COLOR_BLACK
;
244 #endif /* CONFIG_SYS_WHITE_ON_BLACK */
246 #ifdef LCD_TEST_PATTERN
249 /* set framebuffer to background color */
250 #if (LCD_BPP != LCD_COLOR32)
251 memset((char *)lcd_base
, bg_color
, lcd_line_length
* panel_info
.vl_row
);
253 u32
*ppix
= lcd_base
;
256 i
< (lcd_line_length
* panel_info
.vl_row
)/NBYTES(panel_info
.vl_bpix
);
262 /* Paint the logo and retrieve LCD base address */
263 debug("[LCD] Drawing the logo...\n");
264 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
265 console_rows
= (panel_info
.vl_row
- BMP_LOGO_HEIGHT
);
266 console_rows
/= VIDEO_FONT_HEIGHT
;
268 console_rows
= panel_info
.vl_row
/ VIDEO_FONT_HEIGHT
;
270 console_cols
= panel_info
.vl_col
/ VIDEO_FONT_WIDTH
;
271 lcd_init_console(lcd_base
, console_rows
, console_cols
);
272 lcd_init_console(lcd_logo(), console_rows
, console_cols
);
276 static int do_lcd_clear(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
284 cls
, 1, 1, do_lcd_clear
,
289 /*----------------------------------------------------------------------*/
291 static int lcd_init(void *lcdbase
)
293 /* Initialize the lcd controller */
294 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase
);
296 lcd_ctrl_init(lcdbase
);
299 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
300 * the 'lcdbase' argument and uses custom lcd base address
301 * by setting up gd->fb_base. Check for this condition and fixup
302 * 'lcd_base' address.
304 if (map_to_sysmem(lcdbase
) != gd
->fb_base
)
305 lcd_base
= map_sysmem(gd
->fb_base
, 0);
307 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base
);
309 lcd_get_size(&lcd_line_length
);
314 /* Initialize the console */
316 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
317 lcd_set_row(7 + BMP_LOGO_HEIGHT
/ VIDEO_FONT_HEIGHT
);
319 lcd_set_row(1); /* leave 1 blank line below logo */
326 /************************************************************************/
327 /* ** ROM capable initialization part - needed to reserve FB memory */
328 /************************************************************************/
330 * This is called early in the system initialization to grab memory
331 * for the LCD controller.
332 * Returns new address for monitor, after reserving LCD buffer memory
334 * Note that this is running from ROM, so no write access to global data.
336 ulong
lcd_setmem(ulong addr
)
341 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info
.vl_col
,
342 panel_info
.vl_row
, NBITS(panel_info
.vl_bpix
));
344 size
= lcd_get_size(&line_length
);
346 /* Round up to nearest full page, or MMU section if defined */
347 size
= ALIGN(size
, CONFIG_LCD_ALIGNMENT
);
348 addr
= ALIGN(addr
- CONFIG_LCD_ALIGNMENT
+ 1, CONFIG_LCD_ALIGNMENT
);
350 /* Allocate pages for the frame buffer. */
353 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
359 /*----------------------------------------------------------------------*/
361 static void lcd_setfgcolor(int color
)
363 lcd_color_fg
= color
;
366 int lcd_getfgcolor(void)
371 /*----------------------------------------------------------------------*/
373 static void lcd_setbgcolor(int color
)
375 lcd_color_bg
= color
;
378 int lcd_getbgcolor(void)
383 /************************************************************************/
384 /* ** Chipset depending Bitmap / Logo stuff... */
385 /************************************************************************/
386 static inline ushort
*configuration_get_cmap(void)
388 #if defined CONFIG_CPU_PXA
389 struct pxafb_info
*fbi
= &panel_info
.pxa
;
390 return (ushort
*)fbi
->palette
;
391 #elif defined(CONFIG_MPC823)
392 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
393 cpm8xx_t
*cp
= &(immr
->im_cpm
);
394 return (ushort
*)&(cp
->lcd_cmap
[255 * sizeof(ushort
)]);
395 #elif defined(CONFIG_ATMEL_LCD)
396 return (ushort
*)(panel_info
.mmio
+ ATMEL_LCDC_LUT(0));
397 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
398 return panel_info
.cmap
;
399 #elif defined(CONFIG_LCD_LOGO)
400 return bmp_logo_palette
;
406 #ifdef CONFIG_LCD_LOGO
407 void bitmap_plot(int x
, int y
)
409 #ifdef CONFIG_ATMEL_LCD
410 uint
*cmap
= (uint
*)bmp_logo_palette
;
412 ushort
*cmap
= (ushort
*)bmp_logo_palette
;
418 #if defined(CONFIG_MPC823)
419 immap_t
*immr
= (immap_t
*) CONFIG_SYS_IMMR
;
420 cpm8xx_t
*cp
= &(immr
->im_cpm
);
422 unsigned bpix
= NBITS(panel_info
.vl_bpix
);
424 debug("Logo: width %d height %d colors %d cmap %d\n",
425 BMP_LOGO_WIDTH
, BMP_LOGO_HEIGHT
, BMP_LOGO_COLORS
,
426 ARRAY_SIZE(bmp_logo_palette
));
428 bmap
= &bmp_logo_bitmap
[0];
429 fb
= (uchar
*)(lcd_base
+ y
* lcd_line_length
+ x
* bpix
/ 8);
432 /* Leave room for default color map
433 * default case: generic system with no cmap (most likely 16bpp)
434 * cmap was set to the source palette, so no change is done.
435 * This avoids even more ifdefs in the next stanza
437 #if defined(CONFIG_MPC823)
438 cmap
= (ushort
*) &(cp
->lcd_cmap
[BMP_LOGO_OFFSET
* sizeof(ushort
)]);
439 #elif defined(CONFIG_ATMEL_LCD)
440 cmap
= (uint
*)configuration_get_cmap();
442 cmap
= configuration_get_cmap();
448 for (i
= 0; i
< ARRAY_SIZE(bmp_logo_palette
); ++i
) {
449 ushort colreg
= bmp_logo_palette
[i
];
450 #ifdef CONFIG_ATMEL_LCD
452 #ifdef CONFIG_ATMEL_LCD_BGR555
453 lut_entry
= ((colreg
& 0x000F) << 11) |
454 ((colreg
& 0x00F0) << 2) |
455 ((colreg
& 0x0F00) >> 7);
456 #else /* CONFIG_ATMEL_LCD_RGB565 */
457 lut_entry
= ((colreg
& 0x000F) << 1) |
458 ((colreg
& 0x00F0) << 3) |
459 ((colreg
& 0x0F00) << 4);
461 *(cmap
+ BMP_LOGO_OFFSET
) = lut_entry
;
463 #else /* !CONFIG_ATMEL_LCD */
465 #endif /* CONFIG_ATMEL_LCD */
470 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
471 memcpy(fb
, bmap
, BMP_LOGO_WIDTH
);
472 bmap
+= BMP_LOGO_WIDTH
;
473 fb
+= panel_info
.vl_col
;
476 else { /* true color mode */
479 for (i
= 0; i
< BMP_LOGO_HEIGHT
; ++i
) {
480 for (j
= 0; j
< BMP_LOGO_WIDTH
; j
++) {
481 col16
= bmp_logo_palette
[(bmap
[j
]-16)];
483 ((col16
& 0x000F) << 1) |
484 ((col16
& 0x00F0) << 3) |
485 ((col16
& 0x0F00) << 4);
487 bmap
+= BMP_LOGO_WIDTH
;
488 fb16
+= panel_info
.vl_col
;
496 static inline void bitmap_plot(int x
, int y
) {}
497 #endif /* CONFIG_LCD_LOGO */
499 /*----------------------------------------------------------------------*/
500 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
502 * Display the BMP file located at address bmp_image.
506 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
507 #define BMP_ALIGN_CENTER 0x7FFF
509 static void splash_align_axis(int *axis
, unsigned long panel_size
,
510 unsigned long picture_size
)
512 unsigned long panel_picture_delta
= panel_size
- picture_size
;
513 unsigned long axis_alignment
;
515 if (*axis
== BMP_ALIGN_CENTER
)
516 axis_alignment
= panel_picture_delta
/ 2;
518 axis_alignment
= panel_picture_delta
+ *axis
+ 1;
522 *axis
= max(0, (int)axis_alignment
);
527 #ifdef CONFIG_LCD_BMP_RLE8
529 #define BMP_RLE8_ESCAPE 0
530 #define BMP_RLE8_EOL 0
531 #define BMP_RLE8_EOBMP 1
532 #define BMP_RLE8_DELTA 2
534 static void draw_unencoded_bitmap(ushort
**fbp
, uchar
*bmap
, ushort
*cmap
,
538 *(*fbp
)++ = cmap
[*bmap
++];
543 static void draw_encoded_bitmap(ushort
**fbp
, ushort c
, int cnt
)
546 int cnt_8copy
= cnt
>> 3;
548 cnt
-= cnt_8copy
<< 3;
549 while (cnt_8copy
> 0) {
568 * Do not call this function directly, must be called from lcd_display_bitmap.
570 static void lcd_display_rle8_bitmap(bmp_image_t
*bmp
, ushort
*cmap
, uchar
*fb
,
571 int x_off
, int y_off
)
579 width
= get_unaligned_le32(&bmp
->header
.width
);
580 height
= get_unaligned_le32(&bmp
->header
.height
);
581 bmap
= (uchar
*)bmp
+ get_unaligned_le32(&bmp
->header
.data_offset
);
587 if (bmap
[0] == BMP_RLE8_ESCAPE
) {
594 /* 16bpix, 2-byte per pixel, width should *2 */
595 fb
-= (width
* 2 + lcd_line_length
);
605 /* 16bpix, 2-byte per pixel, x should *2 */
606 fb
= (uchar
*) (lcd_base
+ (y
+ y_off
- 1)
607 * lcd_line_length
+ (x
+ x_off
) * 2);
616 if (x
+ runlen
> width
)
620 draw_unencoded_bitmap(
635 /* aggregate the same code */
636 while (bmap
[0] == 0xff &&
637 bmap
[2] != BMP_RLE8_ESCAPE
&&
638 bmap
[1] == bmap
[3]) {
642 if (x
+ runlen
> width
)
646 draw_encoded_bitmap((ushort
**)&fb
,
657 #if defined(CONFIG_MPC823)
658 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++)
660 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++
663 #if defined(CONFIG_BMP_16BPP)
664 #if defined(CONFIG_ATMEL_LCD_BGR555)
665 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
667 *(*fb
)++ = (((*from
)[0] & 0x1f) << 2) | ((*from
)[1] & 0x03);
668 *(*fb
)++ = ((*from
)[0] & 0xe0) | (((*from
)[1] & 0x7c) >> 2);
672 static inline void fb_put_word(uchar
**fb
, uchar
**from
)
674 *(*fb
)++ = *(*from
)++;
675 *(*fb
)++ = *(*from
)++;
678 #endif /* CONFIG_BMP_16BPP */
680 int lcd_display_bitmap(ulong bmp_image
, int x
, int y
)
683 ushort
*cmap_base
= NULL
;
686 bmp_image_t
*bmp
= (bmp_image_t
*)map_sysmem(bmp_image
, 0);
689 unsigned long width
, height
, byte_width
;
690 unsigned long pwidth
= panel_info
.vl_col
;
691 unsigned colors
, bpix
, bmp_bpix
;
693 if (!bmp
|| !(bmp
->header
.signature
[0] == 'B' &&
694 bmp
->header
.signature
[1] == 'M')) {
695 printf("Error: no valid bmp image at %lx\n", bmp_image
);
700 width
= get_unaligned_le32(&bmp
->header
.width
);
701 height
= get_unaligned_le32(&bmp
->header
.height
);
702 bmp_bpix
= get_unaligned_le16(&bmp
->header
.bit_count
);
704 colors
= 1 << bmp_bpix
;
706 bpix
= NBITS(panel_info
.vl_bpix
);
708 if (bpix
!= 1 && bpix
!= 8 && bpix
!= 16 && bpix
!= 32) {
709 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
716 * We support displaying 8bpp BMPs on 16bpp LCDs
717 * and displaying 24bpp BMPs on 32bpp LCDs
719 if (bpix
!= bmp_bpix
&&
720 !(bmp_bpix
== 8 && bpix
== 16) &&
721 !(bmp_bpix
== 24 && bpix
== 32)) {
722 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
723 bpix
, get_unaligned_le16(&bmp
->header
.bit_count
));
727 debug("Display-bmp: %d x %d with %d colors\n",
728 (int)width
, (int)height
, (int)colors
);
731 cmap
= configuration_get_cmap();
735 for (i
= 0; i
< colors
; ++i
) {
736 bmp_color_table_entry_t cte
= bmp
->color_table
[i
];
737 #if !defined(CONFIG_ATMEL_LCD)
739 ( ((cte
.red
) << 8) & 0xf800) |
740 ( ((cte
.green
) << 3) & 0x07e0) |
741 ( ((cte
.blue
) >> 3) & 0x001f) ;
743 #if defined(CONFIG_MPC823)
748 #else /* CONFIG_ATMEL_LCD */
749 lcd_setcolreg(i
, cte
.red
, cte
.green
, cte
.blue
);
754 padded_width
= (width
& 0x3 ? (width
& ~0x3) + 4 : width
);
756 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
757 splash_align_axis(&x
, pwidth
, width
);
758 splash_align_axis(&y
, panel_info
.vl_row
, height
);
759 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
761 if ((x
+ width
) > pwidth
)
763 if ((y
+ height
) > panel_info
.vl_row
)
764 height
= panel_info
.vl_row
- y
;
766 bmap
= (uchar
*)bmp
+ get_unaligned_le32(&bmp
->header
.data_offset
);
767 fb
= (uchar
*)(lcd_base
+
768 (y
+ height
- 1) * lcd_line_length
+ x
* bpix
/ 8);
771 case 1: /* pass through */
773 #ifdef CONFIG_LCD_BMP_RLE8
774 u32 compression
= get_unaligned_le32(&bmp
->header
.compression
);
775 if (compression
== BMP_BI_RLE8
) {
777 /* TODO implement render code for bpix != 16 */
778 printf("Error: only support 16 bpix");
781 lcd_display_rle8_bitmap(bmp
, cmap_base
, fb
, x
, y
);
789 byte_width
= width
* 2;
791 for (i
= 0; i
< height
; ++i
) {
793 for (j
= 0; j
< width
; j
++) {
795 FB_PUT_BYTE(fb
, bmap
);
797 *(uint16_t *)fb
= cmap_base
[*(bmap
++)];
798 fb
+= sizeof(uint16_t) / sizeof(*fb
);
801 bmap
+= (padded_width
- width
);
802 fb
-= byte_width
+ lcd_line_length
;
806 #if defined(CONFIG_BMP_16BPP)
808 for (i
= 0; i
< height
; ++i
) {
810 for (j
= 0; j
< width
; j
++)
811 fb_put_word(&fb
, &bmap
);
813 bmap
+= (padded_width
- width
) * 2;
814 fb
-= width
* 2 + lcd_line_length
;
817 #endif /* CONFIG_BMP_16BPP */
818 #if defined(CONFIG_BMP_24BMP)
820 for (i
= 0; i
< height
; ++i
) {
821 for (j
= 0; j
< width
; j
++) {
827 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
830 #endif /* CONFIG_BMP_24BMP */
831 #if defined(CONFIG_BMP_32BPP)
833 for (i
= 0; i
< height
; ++i
) {
834 for (j
= 0; j
< width
; j
++) {
840 fb
-= lcd_line_length
+ width
* (bpix
/ 8);
843 #endif /* CONFIG_BMP_32BPP */
853 static void *lcd_logo(void)
855 #ifdef CONFIG_SPLASH_SCREEN
858 static int do_splash
= 1;
860 if (do_splash
&& (s
= getenv("splashimage")) != NULL
) {
864 if (splash_screen_prepare())
865 return (void *)lcd_base
;
867 addr
= simple_strtoul (s
, NULL
, 16);
869 splash_get_pos(&x
, &y
);
871 if (bmp_display(addr
, x
, y
) == 0)
872 return (void *)lcd_base
;
874 #endif /* CONFIG_SPLASH_SCREEN */
878 #ifdef CONFIG_LCD_INFO
879 lcd_set_col(LCD_INFO_X
/ VIDEO_FONT_WIDTH
);
880 lcd_set_row(LCD_INFO_Y
/ VIDEO_FONT_HEIGHT
);
881 lcd_show_board_info();
882 #endif /* CONFIG_LCD_INFO */
884 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
885 return (void *)((ulong
)lcd_base
+ BMP_LOGO_HEIGHT
* lcd_line_length
);
887 return (void *)lcd_base
;
888 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */
891 #ifdef CONFIG_SPLASHIMAGE_GUARD
892 static int on_splashimage(const char *name
, const char *value
, enum env_op op
,
898 if (op
== env_op_delete
)
901 addr
= simple_strtoul(value
, NULL
, 16);
902 /* See README.displaying-bmps */
903 aligned
= (addr
% 4 == 2);
905 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
912 U_BOOT_ENV_CALLBACK(splashimage
, on_splashimage
);
915 int lcd_get_pixel_width(void)
917 return panel_info
.vl_col
;
920 int lcd_get_pixel_height(void)
922 return panel_info
.vl_row
;
925 #if defined(CONFIG_LCD_DT_SIMPLEFB)
926 static int lcd_dt_simplefb_configure_node(void *blob
, int off
)
928 #if LCD_BPP == LCD_COLOR16
929 return fdt_setup_simplefb_node(blob
, off
, gd
->fb_base
,
930 panel_info
.vl_col
, panel_info
.vl_row
,
931 panel_info
.vl_col
* 2, "r5g6b5");
937 int lcd_dt_simplefb_add_node(void *blob
)
939 static const char compat
[] = "simple-framebuffer";
940 static const char disabled
[] = "disabled";
943 off
= fdt_add_subnode(blob
, 0, "framebuffer");
947 ret
= fdt_setprop(blob
, off
, "status", disabled
, sizeof(disabled
));
951 ret
= fdt_setprop(blob
, off
, "compatible", compat
, sizeof(compat
));
955 return lcd_dt_simplefb_configure_node(blob
, off
);
958 int lcd_dt_simplefb_enable_existing_node(void *blob
)
962 off
= fdt_node_offset_by_compatible(blob
, -1, "simple-framebuffer");
966 return lcd_dt_simplefb_configure_node(blob
, off
);