1 /* 2 * Common LCD routines 3 * 4 * (C) Copyright 2001-2002 5 * Wolfgang Denk, DENX Software Engineering -- wd@denx.de 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 /* #define DEBUG */ 11 #include <config.h> 12 #include <common.h> 13 #include <command.h> 14 #include <env_callback.h> 15 #include <linux/types.h> 16 #include <stdio_dev.h> 17 #include <lcd.h> 18 #include <mapmem.h> 19 #include <watchdog.h> 20 #include <asm/unaligned.h> 21 #include <splash.h> 22 #include <asm/io.h> 23 #include <asm/unaligned.h> 24 #include <video_font.h> 25 26 #ifdef CONFIG_LCD_LOGO 27 #include <bmp_logo.h> 28 #include <bmp_logo_data.h> 29 #if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) 30 #error Default Color Map overlaps with Logo Color Map 31 #endif 32 #endif 33 34 #ifdef CONFIG_SANDBOX 35 #include <asm/sdl.h> 36 #endif 37 38 #ifndef CONFIG_LCD_ALIGNMENT 39 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE 40 #endif 41 42 #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ 43 (LCD_BPP != LCD_COLOR32) 44 #error Unsupported LCD BPP. 45 #endif 46 47 DECLARE_GLOBAL_DATA_PTR; 48 49 static int lcd_init(void *lcdbase); 50 static void lcd_logo(void); 51 static void lcd_setfgcolor(int color); 52 static void lcd_setbgcolor(int color); 53 54 static int lcd_color_fg; 55 static int lcd_color_bg; 56 int lcd_line_length; 57 char lcd_is_enabled = 0; 58 static void *lcd_base; /* Start of framebuffer memory */ 59 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ 60 61 /* Flush LCD activity to the caches */ 62 void lcd_sync(void) 63 { 64 /* 65 * flush_dcache_range() is declared in common.h but it seems that some 66 * architectures do not actually implement it. Is there a way to find 67 * out whether it exists? For now, ARM is safe. 68 */ 69 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) 70 int line_length; 71 72 if (lcd_flush_dcache) 73 flush_dcache_range((u32)lcd_base, 74 (u32)(lcd_base + lcd_get_size(&line_length))); 75 #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) 76 static ulong last_sync; 77 78 if (get_timer(last_sync) > 10) { 79 sandbox_sdl_sync(lcd_base); 80 last_sync = get_timer(0); 81 } 82 #endif 83 } 84 85 void lcd_set_flush_dcache(int flush) 86 { 87 lcd_flush_dcache = (flush != 0); 88 } 89 90 static void lcd_stub_putc(struct stdio_dev *dev, const char c) 91 { 92 lcd_putc(c); 93 } 94 95 static void lcd_stub_puts(struct stdio_dev *dev, const char *s) 96 { 97 lcd_puts(s); 98 } 99 100 /* Small utility to check that you got the colours right */ 101 #ifdef LCD_TEST_PATTERN 102 103 #define N_BLK_VERT 2 104 #define N_BLK_HOR 3 105 106 static int test_colors[N_BLK_HOR * N_BLK_VERT] = { 107 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 108 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 109 }; 110 111 static void test_pattern(void) 112 { 113 ushort v_max = panel_info.vl_row; 114 ushort h_max = panel_info.vl_col; 115 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 116 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 117 ushort v, h; 118 uchar *pix = (uchar *)lcd_base; 119 120 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", 121 h_max, v_max, h_step, v_step); 122 123 /* WARNING: Code silently assumes 8bit/pixel */ 124 for (v = 0; v < v_max; ++v) { 125 uchar iy = v / v_step; 126 for (h = 0; h < h_max; ++h) { 127 uchar ix = N_BLK_HOR * iy + h / h_step; 128 *pix++ = test_colors[ix]; 129 } 130 } 131 } 132 #endif /* LCD_TEST_PATTERN */ 133 134 /* 135 * With most lcd drivers the line length is set up 136 * by calculating it from panel_info parameters. Some 137 * drivers need to calculate the line length differently, 138 * so make the function weak to allow overriding it. 139 */ 140 __weak int lcd_get_size(int *line_length) 141 { 142 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; 143 return *line_length * panel_info.vl_row; 144 } 145 146 int drv_lcd_init(void) 147 { 148 struct stdio_dev lcddev; 149 int rc; 150 151 lcd_base = map_sysmem(gd->fb_base, 0); 152 153 lcd_init(lcd_base); 154 155 /* Device initialization */ 156 memset(&lcddev, 0, sizeof(lcddev)); 157 158 strcpy(lcddev.name, "lcd"); 159 lcddev.ext = 0; /* No extensions */ 160 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 161 lcddev.putc = lcd_stub_putc; /* 'putc' function */ 162 lcddev.puts = lcd_stub_puts; /* 'puts' function */ 163 164 rc = stdio_register(&lcddev); 165 166 return (rc == 0) ? 1 : rc; 167 } 168 169 void lcd_clear(void) 170 { 171 int bg_color; 172 char *s; 173 ulong addr; 174 static int do_splash = 1; 175 #if LCD_BPP == LCD_COLOR8 176 /* Setting the palette */ 177 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 178 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 179 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 180 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 181 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 182 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 183 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 184 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 185 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 186 #endif 187 188 #ifndef CONFIG_SYS_WHITE_ON_BLACK 189 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 190 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 191 bg_color = CONSOLE_COLOR_WHITE; 192 #else 193 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 194 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 195 bg_color = CONSOLE_COLOR_BLACK; 196 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 197 198 #ifdef LCD_TEST_PATTERN 199 test_pattern(); 200 #else 201 /* set framebuffer to background color */ 202 #if (LCD_BPP != LCD_COLOR32) 203 memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); 204 #else 205 u32 *ppix = lcd_base; 206 u32 i; 207 for (i = 0; 208 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); 209 i++) { 210 *ppix++ = bg_color; 211 } 212 #endif 213 #endif 214 /* setup text-console */ 215 debug("[LCD] setting up console...\n"); 216 lcd_init_console(lcd_base, 217 panel_info.vl_col, 218 panel_info.vl_row, 219 panel_info.vl_rot); 220 /* Paint the logo and retrieve LCD base address */ 221 debug("[LCD] Drawing the logo...\n"); 222 if (do_splash) { 223 s = getenv("splashimage"); 224 if (s) { 225 do_splash = 0; 226 addr = simple_strtoul(s, NULL, 16); 227 if (lcd_splash(addr) == 0) { 228 lcd_sync(); 229 return; 230 } 231 } 232 } 233 234 lcd_logo(); 235 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 236 addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; 237 lcd_init_console((void *)addr, panel_info.vl_row, 238 panel_info.vl_col, panel_info.vl_rot); 239 #endif 240 lcd_sync(); 241 } 242 243 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, 244 char *const argv[]) 245 { 246 lcd_clear(); 247 return 0; 248 } 249 U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", ""); 250 251 static int lcd_init(void *lcdbase) 252 { 253 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 254 lcd_ctrl_init(lcdbase); 255 256 /* 257 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores 258 * the 'lcdbase' argument and uses custom lcd base address 259 * by setting up gd->fb_base. Check for this condition and fixup 260 * 'lcd_base' address. 261 */ 262 if (map_to_sysmem(lcdbase) != gd->fb_base) 263 lcd_base = map_sysmem(gd->fb_base, 0); 264 265 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); 266 267 lcd_get_size(&lcd_line_length); 268 lcd_is_enabled = 1; 269 lcd_clear(); 270 lcd_enable(); 271 272 /* Initialize the console */ 273 lcd_set_col(0); 274 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 275 lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); 276 #else 277 lcd_set_row(1); /* leave 1 blank line below logo */ 278 #endif 279 280 return 0; 281 } 282 283 /* 284 * This is called early in the system initialization to grab memory 285 * for the LCD controller. 286 * Returns new address for monitor, after reserving LCD buffer memory 287 * 288 * Note that this is running from ROM, so no write access to global data. 289 */ 290 ulong lcd_setmem(ulong addr) 291 { 292 ulong size; 293 int line_length; 294 295 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 296 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 297 298 size = lcd_get_size(&line_length); 299 300 /* Round up to nearest full page, or MMU section if defined */ 301 size = ALIGN(size, CONFIG_LCD_ALIGNMENT); 302 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); 303 304 /* Allocate pages for the frame buffer. */ 305 addr -= size; 306 307 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", 308 size >> 10, addr); 309 310 return addr; 311 } 312 313 static void lcd_setfgcolor(int color) 314 { 315 lcd_color_fg = color; 316 } 317 318 int lcd_getfgcolor(void) 319 { 320 return lcd_color_fg; 321 } 322 323 static void lcd_setbgcolor(int color) 324 { 325 lcd_color_bg = color; 326 } 327 328 int lcd_getbgcolor(void) 329 { 330 return lcd_color_bg; 331 } 332 333 #ifdef CONFIG_LCD_LOGO 334 __weak void lcd_logo_set_cmap(void) 335 { 336 int i; 337 ushort *cmap = configuration_get_cmap(); 338 339 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) 340 *cmap++ = bmp_logo_palette[i]; 341 } 342 343 void lcd_logo_plot(int x, int y) 344 { 345 ushort i, j; 346 uchar *bmap = &bmp_logo_bitmap[0]; 347 unsigned bpix = NBITS(panel_info.vl_bpix); 348 uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); 349 ushort *fb16; 350 351 debug("Logo: width %d height %d colors %d\n", 352 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); 353 354 if (bpix < 12) { 355 WATCHDOG_RESET(); 356 lcd_logo_set_cmap(); 357 WATCHDOG_RESET(); 358 359 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 360 memcpy(fb, bmap, BMP_LOGO_WIDTH); 361 bmap += BMP_LOGO_WIDTH; 362 fb += panel_info.vl_col; 363 } 364 } 365 else { /* true color mode */ 366 u16 col16; 367 fb16 = (ushort *)fb; 368 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 369 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 370 col16 = bmp_logo_palette[(bmap[j]-16)]; 371 fb16[j] = 372 ((col16 & 0x000F) << 1) | 373 ((col16 & 0x00F0) << 3) | 374 ((col16 & 0x0F00) << 4); 375 } 376 bmap += BMP_LOGO_WIDTH; 377 fb16 += panel_info.vl_col; 378 } 379 } 380 381 WATCHDOG_RESET(); 382 lcd_sync(); 383 } 384 #else 385 static inline void lcd_logo_plot(int x, int y) {} 386 #endif /* CONFIG_LCD_LOGO */ 387 388 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 389 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 390 #define BMP_ALIGN_CENTER 0x7FFF 391 392 static void splash_align_axis(int *axis, unsigned long panel_size, 393 unsigned long picture_size) 394 { 395 unsigned long panel_picture_delta = panel_size - picture_size; 396 unsigned long axis_alignment; 397 398 if (*axis == BMP_ALIGN_CENTER) 399 axis_alignment = panel_picture_delta / 2; 400 else if (*axis < 0) 401 axis_alignment = panel_picture_delta + *axis + 1; 402 else 403 return; 404 405 *axis = max(0, (int)axis_alignment); 406 } 407 #endif 408 409 #ifdef CONFIG_LCD_BMP_RLE8 410 #define BMP_RLE8_ESCAPE 0 411 #define BMP_RLE8_EOL 0 412 #define BMP_RLE8_EOBMP 1 413 #define BMP_RLE8_DELTA 2 414 415 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, 416 int cnt) 417 { 418 while (cnt > 0) { 419 *(*fbp)++ = cmap[*bmap++]; 420 cnt--; 421 } 422 } 423 424 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) 425 { 426 ushort *fb = *fbp; 427 int cnt_8copy = cnt >> 3; 428 429 cnt -= cnt_8copy << 3; 430 while (cnt_8copy > 0) { 431 *fb++ = c; 432 *fb++ = c; 433 *fb++ = c; 434 *fb++ = c; 435 *fb++ = c; 436 *fb++ = c; 437 *fb++ = c; 438 *fb++ = c; 439 cnt_8copy--; 440 } 441 while (cnt > 0) { 442 *fb++ = c; 443 cnt--; 444 } 445 *fbp = fb; 446 } 447 448 /* 449 * Do not call this function directly, must be called from lcd_display_bitmap. 450 */ 451 static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, 452 uchar *fb, int x_off, int y_off) 453 { 454 uchar *bmap; 455 ulong width, height; 456 ulong cnt, runlen; 457 int x, y; 458 int decode = 1; 459 460 width = get_unaligned_le32(&bmp->header.width); 461 height = get_unaligned_le32(&bmp->header.height); 462 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 463 464 x = 0; 465 y = height - 1; 466 467 while (decode) { 468 if (bmap[0] == BMP_RLE8_ESCAPE) { 469 switch (bmap[1]) { 470 case BMP_RLE8_EOL: 471 /* end of line */ 472 bmap += 2; 473 x = 0; 474 y--; 475 /* 16bpix, 2-byte per pixel, width should *2 */ 476 fb -= (width * 2 + lcd_line_length); 477 break; 478 case BMP_RLE8_EOBMP: 479 /* end of bitmap */ 480 decode = 0; 481 break; 482 case BMP_RLE8_DELTA: 483 /* delta run */ 484 x += bmap[2]; 485 y -= bmap[3]; 486 /* 16bpix, 2-byte per pixel, x should *2 */ 487 fb = (uchar *) (lcd_base + (y + y_off - 1) 488 * lcd_line_length + (x + x_off) * 2); 489 bmap += 4; 490 break; 491 default: 492 /* unencoded run */ 493 runlen = bmap[1]; 494 bmap += 2; 495 if (y < height) { 496 if (x < width) { 497 if (x + runlen > width) 498 cnt = width - x; 499 else 500 cnt = runlen; 501 draw_unencoded_bitmap( 502 (ushort **)&fb, 503 bmap, cmap, cnt); 504 } 505 x += runlen; 506 } 507 bmap += runlen; 508 if (runlen & 1) 509 bmap++; 510 } 511 } else { 512 /* encoded run */ 513 if (y < height) { 514 runlen = bmap[0]; 515 if (x < width) { 516 /* aggregate the same code */ 517 while (bmap[0] == 0xff && 518 bmap[2] != BMP_RLE8_ESCAPE && 519 bmap[1] == bmap[3]) { 520 runlen += bmap[2]; 521 bmap += 2; 522 } 523 if (x + runlen > width) 524 cnt = width - x; 525 else 526 cnt = runlen; 527 draw_encoded_bitmap((ushort **)&fb, 528 cmap[bmap[1]], cnt); 529 } 530 x += runlen; 531 } 532 bmap += 2; 533 } 534 } 535 } 536 #endif 537 538 __weak void fb_put_byte(uchar **fb, uchar **from) 539 { 540 *(*fb)++ = *(*from)++; 541 } 542 543 #if defined(CONFIG_BMP_16BPP) 544 __weak void fb_put_word(uchar **fb, uchar **from) 545 { 546 *(*fb)++ = *(*from)++; 547 *(*fb)++ = *(*from)++; 548 } 549 #endif /* CONFIG_BMP_16BPP */ 550 551 __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) 552 { 553 int i; 554 struct bmp_color_table_entry cte; 555 ushort *cmap = configuration_get_cmap(); 556 557 for (i = 0; i < colors; ++i) { 558 cte = bmp->color_table[i]; 559 *cmap = (((cte.red) << 8) & 0xf800) | 560 (((cte.green) << 3) & 0x07e0) | 561 (((cte.blue) >> 3) & 0x001f); 562 #if defined(CONFIG_MPC823) 563 cmap--; 564 #else 565 cmap++; 566 #endif 567 } 568 } 569 570 int lcd_display_bitmap(ulong bmp_image, int x, int y) 571 { 572 ushort *cmap_base = NULL; 573 ushort i, j; 574 uchar *fb; 575 struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); 576 uchar *bmap; 577 ushort padded_width; 578 unsigned long width, height, byte_width; 579 unsigned long pwidth = panel_info.vl_col; 580 unsigned colors, bpix, bmp_bpix; 581 int hdr_size; 582 struct bmp_color_table_entry *palette = bmp->color_table; 583 584 if (!bmp || !(bmp->header.signature[0] == 'B' && 585 bmp->header.signature[1] == 'M')) { 586 printf("Error: no valid bmp image at %lx\n", bmp_image); 587 588 return 1; 589 } 590 591 width = get_unaligned_le32(&bmp->header.width); 592 height = get_unaligned_le32(&bmp->header.height); 593 bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); 594 hdr_size = get_unaligned_le16(&bmp->header.size); 595 debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix); 596 597 colors = 1 << bmp_bpix; 598 599 bpix = NBITS(panel_info.vl_bpix); 600 601 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { 602 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 603 bpix, bmp_bpix); 604 605 return 1; 606 } 607 608 /* 609 * We support displaying 8bpp BMPs on 16bpp LCDs 610 * and displaying 24bpp BMPs on 32bpp LCDs 611 * */ 612 if (bpix != bmp_bpix && 613 !(bmp_bpix == 8 && bpix == 16) && 614 !(bmp_bpix == 24 && bpix == 32)) { 615 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 616 bpix, get_unaligned_le16(&bmp->header.bit_count)); 617 return 1; 618 } 619 620 debug("Display-bmp: %d x %d with %d colors, display %d\n", 621 (int)width, (int)height, (int)colors, 1 << bpix); 622 623 if (bmp_bpix == 8) 624 lcd_set_cmap(bmp, colors); 625 626 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); 627 628 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 629 splash_align_axis(&x, pwidth, width); 630 splash_align_axis(&y, panel_info.vl_row, height); 631 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 632 633 if ((x + width) > pwidth) 634 width = pwidth - x; 635 if ((y + height) > panel_info.vl_row) 636 height = panel_info.vl_row - y; 637 638 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 639 fb = (uchar *)(lcd_base + 640 (y + height - 1) * lcd_line_length + x * bpix / 8); 641 642 switch (bmp_bpix) { 643 case 1: 644 case 8: { 645 cmap_base = configuration_get_cmap(); 646 #ifdef CONFIG_LCD_BMP_RLE8 647 u32 compression = get_unaligned_le32(&bmp->header.compression); 648 debug("compressed %d %d\n", compression, BMP_BI_RLE8); 649 if (compression == BMP_BI_RLE8) { 650 if (bpix != 16) { 651 /* TODO implement render code for bpix != 16 */ 652 printf("Error: only support 16 bpix"); 653 return 1; 654 } 655 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); 656 break; 657 } 658 #endif 659 660 if (bpix != 16) 661 byte_width = width; 662 else 663 byte_width = width * 2; 664 665 for (i = 0; i < height; ++i) { 666 WATCHDOG_RESET(); 667 for (j = 0; j < width; j++) { 668 if (bpix != 16) { 669 fb_put_byte(&fb, &bmap); 670 } else { 671 struct bmp_color_table_entry *entry; 672 uint val; 673 674 if (cmap_base) { 675 val = cmap_base[*bmap]; 676 } else { 677 entry = &palette[*bmap]; 678 val = entry->blue >> 3 | 679 entry->green >> 2 << 5 | 680 entry->red >> 3 << 11; 681 } 682 *(uint16_t *)fb = val; 683 bmap++; 684 fb += sizeof(uint16_t) / sizeof(*fb); 685 } 686 } 687 bmap += (padded_width - width); 688 fb -= byte_width + lcd_line_length; 689 } 690 break; 691 } 692 #if defined(CONFIG_BMP_16BPP) 693 case 16: 694 for (i = 0; i < height; ++i) { 695 WATCHDOG_RESET(); 696 for (j = 0; j < width; j++) 697 fb_put_word(&fb, &bmap); 698 699 bmap += (padded_width - width) * 2; 700 fb -= width * 2 + lcd_line_length; 701 } 702 break; 703 #endif /* CONFIG_BMP_16BPP */ 704 #if defined(CONFIG_BMP_24BMP) 705 case 24: 706 for (i = 0; i < height; ++i) { 707 for (j = 0; j < width; j++) { 708 *(fb++) = *(bmap++); 709 *(fb++) = *(bmap++); 710 *(fb++) = *(bmap++); 711 *(fb++) = 0; 712 } 713 fb -= lcd_line_length + width * (bpix / 8); 714 } 715 break; 716 #endif /* CONFIG_BMP_24BMP */ 717 #if defined(CONFIG_BMP_32BPP) 718 case 32: 719 for (i = 0; i < height; ++i) { 720 for (j = 0; j < width; j++) { 721 *(fb++) = *(bmap++); 722 *(fb++) = *(bmap++); 723 *(fb++) = *(bmap++); 724 *(fb++) = *(bmap++); 725 } 726 fb -= lcd_line_length + width * (bpix / 8); 727 } 728 break; 729 #endif /* CONFIG_BMP_32BPP */ 730 default: 731 break; 732 }; 733 734 lcd_sync(); 735 return 0; 736 } 737 #endif 738 739 static void lcd_logo(void) 740 { 741 lcd_logo_plot(0, 0); 742 743 #ifdef CONFIG_LCD_INFO 744 lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); 745 lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); 746 lcd_show_board_info(); 747 #endif /* CONFIG_LCD_INFO */ 748 } 749 750 #ifdef CONFIG_SPLASHIMAGE_GUARD 751 static int on_splashimage(const char *name, const char *value, enum env_op op, 752 int flags) 753 { 754 ulong addr; 755 int aligned; 756 757 if (op == env_op_delete) 758 return 0; 759 760 addr = simple_strtoul(value, NULL, 16); 761 /* See README.displaying-bmps */ 762 aligned = (addr % 4 == 2); 763 if (!aligned) { 764 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); 765 return -1; 766 } 767 768 return 0; 769 } 770 771 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); 772 #endif 773 774 int lcd_get_pixel_width(void) 775 { 776 return panel_info.vl_col; 777 } 778 779 int lcd_get_pixel_height(void) 780 { 781 return panel_info.vl_row; 782 } 783