Kbuild: fix # escaping in .cmd files for future Make
[oweals/u-boot.git] / common / lcd.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Common LCD routines
4  *
5  * (C) Copyright 2001-2002
6  * Wolfgang Denk, DENX Software Engineering -- wd@denx.de
7  */
8
9 /* #define DEBUG */
10 #include <config.h>
11 #include <common.h>
12 #include <command.h>
13 #include <env_callback.h>
14 #include <linux/types.h>
15 #include <stdio_dev.h>
16 #include <lcd.h>
17 #include <mapmem.h>
18 #include <watchdog.h>
19 #include <asm/unaligned.h>
20 #include <splash.h>
21 #include <asm/io.h>
22 #include <asm/unaligned.h>
23 #include <video_font.h>
24
25 #ifdef CONFIG_LCD_LOGO
26 #include <bmp_logo.h>
27 #include <bmp_logo_data.h>
28 #if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
29 #error Default Color Map overlaps with Logo Color Map
30 #endif
31 #endif
32
33 #ifndef CONFIG_LCD_ALIGNMENT
34 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE
35 #endif
36
37 #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \
38         (LCD_BPP != LCD_COLOR32)
39 #error Unsupported LCD BPP.
40 #endif
41
42 DECLARE_GLOBAL_DATA_PTR;
43
44 static int lcd_init(void *lcdbase);
45 static void lcd_logo(void);
46 static void lcd_setfgcolor(int color);
47 static void lcd_setbgcolor(int color);
48
49 static int lcd_color_fg;
50 static int lcd_color_bg;
51 int lcd_line_length;
52 char lcd_is_enabled = 0;
53 static void *lcd_base;                  /* Start of framebuffer memory  */
54 static char lcd_flush_dcache;   /* 1 to flush dcache after each lcd update */
55
56 /* Flush LCD activity to the caches */
57 void lcd_sync(void)
58 {
59         /*
60          * flush_dcache_range() is declared in common.h but it seems that some
61          * architectures do not actually implement it. Is there a way to find
62          * out whether it exists? For now, ARM is safe.
63          */
64 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF)
65         int line_length;
66
67         if (lcd_flush_dcache)
68                 flush_dcache_range((ulong)lcd_base,
69                         (ulong)(lcd_base + lcd_get_size(&line_length)));
70 #endif
71 }
72
73 void lcd_set_flush_dcache(int flush)
74 {
75         lcd_flush_dcache = (flush != 0);
76 }
77
78 static void lcd_stub_putc(struct stdio_dev *dev, const char c)
79 {
80         lcd_putc(c);
81 }
82
83 static void lcd_stub_puts(struct stdio_dev *dev, const char *s)
84 {
85         lcd_puts(s);
86 }
87
88 /* Small utility to check that you got the colours right */
89 #ifdef LCD_TEST_PATTERN
90
91 #if LCD_BPP == LCD_COLOR8
92 #define N_BLK_VERT      2
93 #define N_BLK_HOR       3
94
95 static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
96         CONSOLE_COLOR_RED,      CONSOLE_COLOR_GREEN,    CONSOLE_COLOR_YELLOW,
97         CONSOLE_COLOR_BLUE,     CONSOLE_COLOR_MAGENTA,  CONSOLE_COLOR_CYAN,
98 }; /*LCD_BPP == LCD_COLOR8 */
99
100 #elif LCD_BPP == LCD_COLOR16
101 #define N_BLK_VERT      2
102 #define N_BLK_HOR       4
103
104 static int test_colors[N_BLK_HOR * N_BLK_VERT] = {
105         CONSOLE_COLOR_RED,      CONSOLE_COLOR_GREEN,    CONSOLE_COLOR_YELLOW,   CONSOLE_COLOR_BLUE,
106         CONSOLE_COLOR_MAGENTA,  CONSOLE_COLOR_CYAN,     CONSOLE_COLOR_GREY,     CONSOLE_COLOR_WHITE,
107 };
108 #endif /*LCD_BPP == LCD_COLOR16 */
109
110 static void test_pattern(void)
111 {
112         ushort v_max  = panel_info.vl_row;
113         ushort h_max  = panel_info.vl_col;
114         ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
115         ushort h_step = (h_max + N_BLK_HOR  - 1) / N_BLK_HOR;
116         ushort v, h;
117 #if LCD_BPP == LCD_COLOR8
118         uchar *pix = (uchar *)lcd_base;
119 #elif LCD_BPP == LCD_COLOR16
120         ushort *pix = (ushort *)lcd_base;
121 #endif
122
123         printf("[LCD] Test Pattern: %d x %d [%d x %d]\n",
124                 h_max, v_max, h_step, v_step);
125
126         for (v = 0; v < v_max; ++v) {
127                 uchar iy = v / v_step;
128                 for (h = 0; h < h_max; ++h) {
129                         uchar ix = N_BLK_HOR * iy + h / h_step;
130                         *pix++ = test_colors[ix];
131                 }
132         }
133 }
134 #endif /* LCD_TEST_PATTERN */
135
136 /*
137  * With most lcd drivers the line length is set up
138  * by calculating it from panel_info parameters. Some
139  * drivers need to calculate the line length differently,
140  * so make the function weak to allow overriding it.
141  */
142 __weak int lcd_get_size(int *line_length)
143 {
144         *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8;
145         return *line_length * panel_info.vl_row;
146 }
147
148 int drv_lcd_init(void)
149 {
150         struct stdio_dev lcddev;
151         int rc;
152
153         lcd_base = map_sysmem(gd->fb_base, 0);
154
155         lcd_init(lcd_base);
156
157         /* Device initialization */
158         memset(&lcddev, 0, sizeof(lcddev));
159
160         strcpy(lcddev.name, "lcd");
161         lcddev.ext   = 0;                       /* No extensions */
162         lcddev.flags = DEV_FLAGS_OUTPUT;        /* Output only */
163         lcddev.putc  = lcd_stub_putc;           /* 'putc' function */
164         lcddev.puts  = lcd_stub_puts;           /* 'puts' function */
165
166         rc = stdio_register(&lcddev);
167
168         return (rc == 0) ? 1 : rc;
169 }
170
171 void lcd_clear(void)
172 {
173         int bg_color;
174         char *s;
175         ulong addr;
176         static int do_splash = 1;
177 #if LCD_BPP == LCD_COLOR8
178         /* Setting the palette */
179         lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0);
180         lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0);
181         lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
182         lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
183         lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
184         lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
185         lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
186         lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
187         lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
188 #endif
189
190 #ifndef CONFIG_SYS_WHITE_ON_BLACK
191         lcd_setfgcolor(CONSOLE_COLOR_BLACK);
192         lcd_setbgcolor(CONSOLE_COLOR_WHITE);
193         bg_color = CONSOLE_COLOR_WHITE;
194 #else
195         lcd_setfgcolor(CONSOLE_COLOR_WHITE);
196         lcd_setbgcolor(CONSOLE_COLOR_BLACK);
197         bg_color = CONSOLE_COLOR_BLACK;
198 #endif  /* CONFIG_SYS_WHITE_ON_BLACK */
199
200 #ifdef  LCD_TEST_PATTERN
201         test_pattern();
202 #else
203         /* set framebuffer to background color */
204 #if (LCD_BPP != LCD_COLOR32)
205         memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row);
206 #else
207         u32 *ppix = lcd_base;
208         u32 i;
209         for (i = 0;
210            i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix);
211            i++) {
212                 *ppix++ = bg_color;
213         }
214 #endif
215 #endif
216         /* setup text-console */
217         debug("[LCD] setting up console...\n");
218         lcd_init_console(lcd_base,
219                          panel_info.vl_col,
220                          panel_info.vl_row,
221                          panel_info.vl_rot);
222         /* Paint the logo and retrieve LCD base address */
223         debug("[LCD] Drawing the logo...\n");
224         if (do_splash) {
225                 s = env_get("splashimage");
226                 if (s) {
227                         do_splash = 0;
228                         addr = simple_strtoul(s, NULL, 16);
229                         if (lcd_splash(addr) == 0) {
230                                 lcd_sync();
231                                 return;
232                         }
233                 }
234         }
235
236         lcd_logo();
237 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
238         addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length;
239         lcd_init_console((void *)addr, panel_info.vl_col,
240                          panel_info.vl_row, panel_info.vl_rot);
241 #endif
242         lcd_sync();
243 }
244
245 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc,
246                         char *const argv[])
247 {
248         lcd_clear();
249         return 0;
250 }
251 U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", "");
252
253 static int lcd_init(void *lcdbase)
254 {
255         debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
256         lcd_ctrl_init(lcdbase);
257
258         /*
259          * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores
260          * the 'lcdbase' argument and uses custom lcd base address
261          * by setting up gd->fb_base. Check for this condition and fixup
262          * 'lcd_base' address.
263          */
264         if (map_to_sysmem(lcdbase) != gd->fb_base)
265                 lcd_base = map_sysmem(gd->fb_base, 0);
266
267         debug("[LCD] Using LCD frambuffer at %p\n", lcd_base);
268
269         lcd_get_size(&lcd_line_length);
270         lcd_is_enabled = 1;
271         lcd_clear();
272         lcd_enable();
273
274         /* Initialize the console */
275         lcd_set_col(0);
276 #ifdef CONFIG_LCD_INFO_BELOW_LOGO
277         lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT);
278 #else
279         lcd_set_row(1); /* leave 1 blank line below logo */
280 #endif
281
282         return 0;
283 }
284
285 /*
286  * This is called early in the system initialization to grab memory
287  * for the LCD controller.
288  * Returns new address for monitor, after reserving LCD buffer memory
289  *
290  * Note that this is running from ROM, so no write access to global data.
291  */
292 ulong lcd_setmem(ulong addr)
293 {
294         ulong size;
295         int line_length;
296
297         debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col,
298                 panel_info.vl_row, NBITS(panel_info.vl_bpix));
299
300         size = lcd_get_size(&line_length);
301
302         /* Round up to nearest full page, or MMU section if defined */
303         size = ALIGN(size, CONFIG_LCD_ALIGNMENT);
304         addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT);
305
306         /* Allocate pages for the frame buffer. */
307         addr -= size;
308
309         debug("Reserving %ldk for LCD Framebuffer at: %08lx\n",
310               size >> 10, addr);
311
312         return addr;
313 }
314
315 static void lcd_setfgcolor(int color)
316 {
317         lcd_color_fg = color;
318 }
319
320 int lcd_getfgcolor(void)
321 {
322         return lcd_color_fg;
323 }
324
325 static void lcd_setbgcolor(int color)
326 {
327         lcd_color_bg = color;
328 }
329
330 int lcd_getbgcolor(void)
331 {
332         return lcd_color_bg;
333 }
334
335 #ifdef CONFIG_LCD_LOGO
336 __weak void lcd_logo_set_cmap(void)
337 {
338         int i;
339         ushort *cmap = configuration_get_cmap();
340
341         for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i)
342                 *cmap++ = bmp_logo_palette[i];
343 }
344
345 void lcd_logo_plot(int x, int y)
346 {
347         ushort i, j;
348         uchar *bmap = &bmp_logo_bitmap[0];
349         unsigned bpix = NBITS(panel_info.vl_bpix);
350         uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8);
351         ushort *fb16;
352
353         debug("Logo: width %d  height %d  colors %d\n",
354               BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS);
355
356         if (bpix < 12) {
357                 WATCHDOG_RESET();
358                 lcd_logo_set_cmap();
359                 WATCHDOG_RESET();
360
361                 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
362                         memcpy(fb, bmap, BMP_LOGO_WIDTH);
363                         bmap += BMP_LOGO_WIDTH;
364                         fb += panel_info.vl_col;
365                 }
366         }
367         else { /* true color mode */
368                 u16 col16;
369                 fb16 = (ushort *)fb;
370                 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) {
371                         for (j = 0; j < BMP_LOGO_WIDTH; j++) {
372                                 col16 = bmp_logo_palette[(bmap[j]-16)];
373                                 fb16[j] =
374                                         ((col16 & 0x000F) << 1) |
375                                         ((col16 & 0x00F0) << 3) |
376                                         ((col16 & 0x0F00) << 4);
377                                 }
378                         bmap += BMP_LOGO_WIDTH;
379                         fb16 += panel_info.vl_col;
380                 }
381         }
382
383         WATCHDOG_RESET();
384         lcd_sync();
385 }
386 #else
387 static inline void lcd_logo_plot(int x, int y) {}
388 #endif /* CONFIG_LCD_LOGO */
389
390 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
391 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
392 #define BMP_ALIGN_CENTER        0x7FFF
393
394 static void splash_align_axis(int *axis, unsigned long panel_size,
395                                         unsigned long picture_size)
396 {
397         unsigned long panel_picture_delta = panel_size - picture_size;
398         unsigned long axis_alignment;
399
400         if (*axis == BMP_ALIGN_CENTER)
401                 axis_alignment = panel_picture_delta / 2;
402         else if (*axis < 0)
403                 axis_alignment = panel_picture_delta + *axis + 1;
404         else
405                 return;
406
407         *axis = max(0, (int)axis_alignment);
408 }
409 #endif
410
411 #ifdef CONFIG_LCD_BMP_RLE8
412 #define BMP_RLE8_ESCAPE         0
413 #define BMP_RLE8_EOL            0
414 #define BMP_RLE8_EOBMP          1
415 #define BMP_RLE8_DELTA          2
416
417 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap,
418                                   int cnt)
419 {
420         while (cnt > 0) {
421                 *(*fbp)++ = cmap[*bmap++];
422                 cnt--;
423         }
424 }
425
426 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt)
427 {
428         ushort *fb = *fbp;
429         int cnt_8copy = cnt >> 3;
430
431         cnt -= cnt_8copy << 3;
432         while (cnt_8copy > 0) {
433                 *fb++ = c;
434                 *fb++ = c;
435                 *fb++ = c;
436                 *fb++ = c;
437                 *fb++ = c;
438                 *fb++ = c;
439                 *fb++ = c;
440                 *fb++ = c;
441                 cnt_8copy--;
442         }
443         while (cnt > 0) {
444                 *fb++ = c;
445                 cnt--;
446         }
447         *fbp = fb;
448 }
449
450 /*
451  * Do not call this function directly, must be called from lcd_display_bitmap.
452  */
453 static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap,
454                                     uchar *fb, int x_off, int y_off)
455 {
456         uchar *bmap;
457         ulong width, height;
458         ulong cnt, runlen;
459         int x, y;
460         int decode = 1;
461
462         width = get_unaligned_le32(&bmp->header.width);
463         height = get_unaligned_le32(&bmp->header.height);
464         bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
465
466         x = 0;
467         y = height - 1;
468
469         while (decode) {
470                 if (bmap[0] == BMP_RLE8_ESCAPE) {
471                         switch (bmap[1]) {
472                         case BMP_RLE8_EOL:
473                                 /* end of line */
474                                 bmap += 2;
475                                 x = 0;
476                                 y--;
477                                 /* 16bpix, 2-byte per pixel, width should *2 */
478                                 fb -= (width * 2 + lcd_line_length);
479                                 break;
480                         case BMP_RLE8_EOBMP:
481                                 /* end of bitmap */
482                                 decode = 0;
483                                 break;
484                         case BMP_RLE8_DELTA:
485                                 /* delta run */
486                                 x += bmap[2];
487                                 y -= bmap[3];
488                                 /* 16bpix, 2-byte per pixel, x should *2 */
489                                 fb = (uchar *) (lcd_base + (y + y_off - 1)
490                                         * lcd_line_length + (x + x_off) * 2);
491                                 bmap += 4;
492                                 break;
493                         default:
494                                 /* unencoded run */
495                                 runlen = bmap[1];
496                                 bmap += 2;
497                                 if (y < height) {
498                                         if (x < width) {
499                                                 if (x + runlen > width)
500                                                         cnt = width - x;
501                                                 else
502                                                         cnt = runlen;
503                                                 draw_unencoded_bitmap(
504                                                         (ushort **)&fb,
505                                                         bmap, cmap, cnt);
506                                         }
507                                         x += runlen;
508                                 }
509                                 bmap += runlen;
510                                 if (runlen & 1)
511                                         bmap++;
512                         }
513                 } else {
514                         /* encoded run */
515                         if (y < height) {
516                                 runlen = bmap[0];
517                                 if (x < width) {
518                                         /* aggregate the same code */
519                                         while (bmap[0] == 0xff &&
520                                                bmap[2] != BMP_RLE8_ESCAPE &&
521                                                bmap[1] == bmap[3]) {
522                                                 runlen += bmap[2];
523                                                 bmap += 2;
524                                         }
525                                         if (x + runlen > width)
526                                                 cnt = width - x;
527                                         else
528                                                 cnt = runlen;
529                                         draw_encoded_bitmap((ushort **)&fb,
530                                                 cmap[bmap[1]], cnt);
531                                 }
532                                 x += runlen;
533                         }
534                         bmap += 2;
535                 }
536         }
537 }
538 #endif
539
540 __weak void fb_put_byte(uchar **fb, uchar **from)
541 {
542         *(*fb)++ = *(*from)++;
543 }
544
545 #if defined(CONFIG_BMP_16BPP)
546 __weak void fb_put_word(uchar **fb, uchar **from)
547 {
548         *(*fb)++ = *(*from)++;
549         *(*fb)++ = *(*from)++;
550 }
551 #endif /* CONFIG_BMP_16BPP */
552
553 __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors)
554 {
555         int i;
556         struct bmp_color_table_entry cte;
557         ushort *cmap = configuration_get_cmap();
558
559         for (i = 0; i < colors; ++i) {
560                 cte = bmp->color_table[i];
561                 *cmap = (((cte.red)   << 8) & 0xf800) |
562                         (((cte.green) << 3) & 0x07e0) |
563                         (((cte.blue)  >> 3) & 0x001f);
564                 cmap++;
565         }
566 }
567
568 int lcd_display_bitmap(ulong bmp_image, int x, int y)
569 {
570         ushort *cmap_base = NULL;
571         ushort i, j;
572         uchar *fb;
573         struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0);
574         uchar *bmap;
575         ushort padded_width;
576         unsigned long width, height, byte_width;
577         unsigned long pwidth = panel_info.vl_col;
578         unsigned colors, bpix, bmp_bpix;
579         int hdr_size;
580         struct bmp_color_table_entry *palette;
581
582         if (!bmp || !(bmp->header.signature[0] == 'B' &&
583                 bmp->header.signature[1] == 'M')) {
584                 printf("Error: no valid bmp image at %lx\n", bmp_image);
585
586                 return 1;
587         }
588
589         palette = bmp->color_table;
590         width = get_unaligned_le32(&bmp->header.width);
591         height = get_unaligned_le32(&bmp->header.height);
592         bmp_bpix = get_unaligned_le16(&bmp->header.bit_count);
593         hdr_size = get_unaligned_le16(&bmp->header.size);
594         debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix);
595
596         colors = 1 << bmp_bpix;
597
598         bpix = NBITS(panel_info.vl_bpix);
599
600         if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) {
601                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
602                         bpix, bmp_bpix);
603
604                 return 1;
605         }
606
607         /*
608          * We support displaying 8bpp BMPs on 16bpp LCDs
609          * and displaying 24bpp BMPs on 32bpp LCDs
610          * */
611         if (bpix != bmp_bpix &&
612             !(bmp_bpix == 8 && bpix == 16) &&
613             !(bmp_bpix == 24 && bpix == 32)) {
614                 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
615                         bpix, get_unaligned_le16(&bmp->header.bit_count));
616                 return 1;
617         }
618
619         debug("Display-bmp: %d x %d  with %d colors, display %d\n",
620               (int)width, (int)height, (int)colors, 1 << bpix);
621
622         if (bmp_bpix == 8)
623                 lcd_set_cmap(bmp, colors);
624
625         padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width);
626
627 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
628         splash_align_axis(&x, pwidth, width);
629         splash_align_axis(&y, panel_info.vl_row, height);
630 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
631
632         if ((x + width) > pwidth)
633                 width = pwidth - x;
634         if ((y + height) > panel_info.vl_row)
635                 height = panel_info.vl_row - y;
636
637         bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset);
638         fb   = (uchar *)(lcd_base +
639                 (y + height - 1) * lcd_line_length + x * bpix / 8);
640
641         switch (bmp_bpix) {
642         case 1:
643         case 8: {
644                 cmap_base = configuration_get_cmap();
645 #ifdef CONFIG_LCD_BMP_RLE8
646                 u32 compression = get_unaligned_le32(&bmp->header.compression);
647                 debug("compressed %d %d\n", compression, BMP_BI_RLE8);
648                 if (compression == BMP_BI_RLE8) {
649                         if (bpix != 16) {
650                                 /* TODO implement render code for bpix != 16 */
651                                 printf("Error: only support 16 bpix");
652                                 return 1;
653                         }
654                         lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y);
655                         break;
656                 }
657 #endif
658
659                 if (bpix != 16)
660                         byte_width = width;
661                 else
662                         byte_width = width * 2;
663
664                 for (i = 0; i < height; ++i) {
665                         WATCHDOG_RESET();
666                         for (j = 0; j < width; j++) {
667                                 if (bpix != 16) {
668                                         fb_put_byte(&fb, &bmap);
669                                 } else {
670                                         struct bmp_color_table_entry *entry;
671                                         uint val;
672
673                                         if (cmap_base) {
674                                                 val = cmap_base[*bmap];
675                                         } else {
676                                                 entry = &palette[*bmap];
677                                                 val = entry->blue >> 3 |
678                                                         entry->green >> 2 << 5 |
679                                                         entry->red >> 3 << 11;
680                                         }
681                                         *(uint16_t *)fb = val;
682                                         bmap++;
683                                         fb += sizeof(uint16_t) / sizeof(*fb);
684                                 }
685                         }
686                         bmap += (padded_width - width);
687                         fb -= byte_width + lcd_line_length;
688                 }
689                 break;
690         }
691 #if defined(CONFIG_BMP_16BPP)
692         case 16:
693                 for (i = 0; i < height; ++i) {
694                         WATCHDOG_RESET();
695                         for (j = 0; j < width; j++)
696                                 fb_put_word(&fb, &bmap);
697
698                         bmap += (padded_width - width) * 2;
699                         fb -= width * 2 + lcd_line_length;
700                 }
701                 break;
702 #endif /* CONFIG_BMP_16BPP */
703 #if defined(CONFIG_BMP_24BPP)
704         case 24:
705                 for (i = 0; i < height; ++i) {
706                         for (j = 0; j < width; j++) {
707                                 *(fb++) = *(bmap++);
708                                 *(fb++) = *(bmap++);
709                                 *(fb++) = *(bmap++);
710                                 *(fb++) = 0;
711                         }
712                         fb -= lcd_line_length + width * (bpix / 8);
713                 }
714                 break;
715 #endif /* CONFIG_BMP_24BPP */
716 #if defined(CONFIG_BMP_32BPP)
717         case 32:
718                 for (i = 0; i < height; ++i) {
719                         for (j = 0; j < width; j++) {
720                                 *(fb++) = *(bmap++);
721                                 *(fb++) = *(bmap++);
722                                 *(fb++) = *(bmap++);
723                                 *(fb++) = *(bmap++);
724                         }
725                         fb -= lcd_line_length + width * (bpix / 8);
726                 }
727                 break;
728 #endif /* CONFIG_BMP_32BPP */
729         default:
730                 break;
731         };
732
733         lcd_sync();
734         return 0;
735 }
736 #endif
737
738 static void lcd_logo(void)
739 {
740         lcd_logo_plot(0, 0);
741
742 #ifdef CONFIG_LCD_INFO
743         lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH);
744         lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT);
745         lcd_show_board_info();
746 #endif /* CONFIG_LCD_INFO */
747 }
748
749 #ifdef CONFIG_SPLASHIMAGE_GUARD
750 static int on_splashimage(const char *name, const char *value, enum env_op op,
751         int flags)
752 {
753         ulong addr;
754         int aligned;
755
756         if (op == env_op_delete)
757                 return 0;
758
759         addr = simple_strtoul(value, NULL, 16);
760         /* See README.displaying-bmps */
761         aligned = (addr % 4 == 2);
762         if (!aligned) {
763                 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n");
764                 return -1;
765         }
766
767         return 0;
768 }
769
770 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage);
771 #endif
772
773 int lcd_get_pixel_width(void)
774 {
775         return panel_info.vl_col;
776 }
777
778 int lcd_get_pixel_height(void)
779 {
780         return panel_info.vl_row;
781 }