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 short console_rows, console_cols; 172 int bg_color; 173 char *s; 174 ulong addr; 175 static int do_splash = 1; 176 #if LCD_BPP == LCD_COLOR8 177 /* Setting the palette */ 178 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 179 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 180 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 181 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 182 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 183 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 184 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 185 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 186 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 187 #endif 188 189 #ifndef CONFIG_SYS_WHITE_ON_BLACK 190 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 191 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 192 bg_color = CONSOLE_COLOR_WHITE; 193 #else 194 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 195 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 196 bg_color = CONSOLE_COLOR_BLACK; 197 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 198 199 #ifdef LCD_TEST_PATTERN 200 test_pattern(); 201 #else 202 /* set framebuffer to background color */ 203 #if (LCD_BPP != LCD_COLOR32) 204 memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); 205 #else 206 u32 *ppix = lcd_base; 207 u32 i; 208 for (i = 0; 209 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); 210 i++) { 211 *ppix++ = bg_color; 212 } 213 #endif 214 #endif 215 /* Paint the logo and retrieve LCD base address */ 216 debug("[LCD] Drawing the logo...\n"); 217 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 218 console_rows = (panel_info.vl_row - BMP_LOGO_HEIGHT); 219 console_rows /= VIDEO_FONT_HEIGHT; 220 #else 221 console_rows = panel_info.vl_row / VIDEO_FONT_HEIGHT; 222 #endif 223 console_cols = panel_info.vl_col / VIDEO_FONT_WIDTH; 224 lcd_init_console(lcd_base, console_rows, console_cols); 225 if (do_splash) { 226 s = getenv("splashimage"); 227 if (s) { 228 do_splash = 0; 229 addr = simple_strtoul(s, NULL, 16); 230 if (lcd_splash(addr) == 0) { 231 lcd_sync(); 232 return; 233 } 234 } 235 } 236 237 lcd_logo(); 238 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 239 addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; 240 lcd_init_console((void *)addr, console_rows, console_cols); 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(bmp_image_t *bmp, ushort *cmap, uchar *fb, 454 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(bmp_image_t *bmp, unsigned colors) 554 { 555 int i; 556 bmp_color_table_entry_t 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 #if defined(CONFIG_MPC823) 565 cmap--; 566 #else 567 cmap++; 568 #endif 569 } 570 } 571 572 int lcd_display_bitmap(ulong bmp_image, int x, int y) 573 { 574 ushort *cmap_base = NULL; 575 ushort i, j; 576 uchar *fb; 577 bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0); 578 uchar *bmap; 579 ushort padded_width; 580 unsigned long width, height, byte_width; 581 unsigned long pwidth = panel_info.vl_col; 582 unsigned colors, bpix, bmp_bpix; 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); 594 595 colors = 1 << bmp_bpix; 596 597 bpix = NBITS(panel_info.vl_bpix); 598 599 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { 600 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 601 bpix, bmp_bpix); 602 603 return 1; 604 } 605 606 /* 607 * We support displaying 8bpp BMPs on 16bpp LCDs 608 * and displaying 24bpp BMPs on 32bpp LCDs 609 * */ 610 if (bpix != bmp_bpix && 611 !(bmp_bpix == 8 && bpix == 16) && 612 !(bmp_bpix == 24 && bpix == 32)) { 613 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 614 bpix, get_unaligned_le16(&bmp->header.bit_count)); 615 return 1; 616 } 617 618 debug("Display-bmp: %d x %d with %d colors\n", 619 (int)width, (int)height, (int)colors); 620 621 if (bmp_bpix == 8) 622 lcd_set_cmap(bmp, colors); 623 624 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); 625 626 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 627 splash_align_axis(&x, pwidth, width); 628 splash_align_axis(&y, panel_info.vl_row, height); 629 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 630 631 if ((x + width) > pwidth) 632 width = pwidth - x; 633 if ((y + height) > panel_info.vl_row) 634 height = panel_info.vl_row - y; 635 636 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 637 fb = (uchar *)(lcd_base + 638 (y + height - 1) * lcd_line_length + x * bpix / 8); 639 640 switch (bmp_bpix) { 641 case 1: 642 case 8: { 643 cmap_base = configuration_get_cmap(); 644 #ifdef CONFIG_LCD_BMP_RLE8 645 u32 compression = get_unaligned_le32(&bmp->header.compression); 646 if (compression == BMP_BI_RLE8) { 647 if (bpix != 16) { 648 /* TODO implement render code for bpix != 16 */ 649 printf("Error: only support 16 bpix"); 650 return 1; 651 } 652 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); 653 break; 654 } 655 #endif 656 657 if (bpix != 16) 658 byte_width = width; 659 else 660 byte_width = width * 2; 661 662 for (i = 0; i < height; ++i) { 663 WATCHDOG_RESET(); 664 for (j = 0; j < width; j++) { 665 if (bpix != 16) { 666 fb_put_byte(&fb, &bmap); 667 } else { 668 *(uint16_t *)fb = cmap_base[*(bmap++)]; 669 fb += sizeof(uint16_t) / sizeof(*fb); 670 } 671 } 672 bmap += (padded_width - width); 673 fb -= byte_width + lcd_line_length; 674 } 675 break; 676 } 677 #if defined(CONFIG_BMP_16BPP) 678 case 16: 679 for (i = 0; i < height; ++i) { 680 WATCHDOG_RESET(); 681 for (j = 0; j < width; j++) 682 fb_put_word(&fb, &bmap); 683 684 bmap += (padded_width - width) * 2; 685 fb -= width * 2 + lcd_line_length; 686 } 687 break; 688 #endif /* CONFIG_BMP_16BPP */ 689 #if defined(CONFIG_BMP_24BMP) 690 case 24: 691 for (i = 0; i < height; ++i) { 692 for (j = 0; j < width; j++) { 693 *(fb++) = *(bmap++); 694 *(fb++) = *(bmap++); 695 *(fb++) = *(bmap++); 696 *(fb++) = 0; 697 } 698 fb -= lcd_line_length + width * (bpix / 8); 699 } 700 break; 701 #endif /* CONFIG_BMP_24BMP */ 702 #if defined(CONFIG_BMP_32BPP) 703 case 32: 704 for (i = 0; i < height; ++i) { 705 for (j = 0; j < width; j++) { 706 *(fb++) = *(bmap++); 707 *(fb++) = *(bmap++); 708 *(fb++) = *(bmap++); 709 *(fb++) = *(bmap++); 710 } 711 fb -= lcd_line_length + width * (bpix / 8); 712 } 713 break; 714 #endif /* CONFIG_BMP_32BPP */ 715 default: 716 break; 717 }; 718 719 lcd_sync(); 720 return 0; 721 } 722 #endif 723 724 static void lcd_logo(void) 725 { 726 lcd_logo_plot(0, 0); 727 728 #ifdef CONFIG_LCD_INFO 729 lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); 730 lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); 731 lcd_show_board_info(); 732 #endif /* CONFIG_LCD_INFO */ 733 } 734 735 #ifdef CONFIG_SPLASHIMAGE_GUARD 736 static int on_splashimage(const char *name, const char *value, enum env_op op, 737 int flags) 738 { 739 ulong addr; 740 int aligned; 741 742 if (op == env_op_delete) 743 return 0; 744 745 addr = simple_strtoul(value, NULL, 16); 746 /* See README.displaying-bmps */ 747 aligned = (addr % 4 == 2); 748 if (!aligned) { 749 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); 750 return -1; 751 } 752 753 return 0; 754 } 755 756 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); 757 #endif 758 759 int lcd_get_pixel_width(void) 760 { 761 return panel_info.vl_col; 762 } 763 764 int lcd_get_pixel_height(void) 765 { 766 return panel_info.vl_row; 767 } 768