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 /* 147 * Implement a weak default function for boards that optionally 148 * need to skip the lcd console initialization. 149 */ 150 __weak int board_lcd_console_skip(void) 151 { 152 /* As default, don't skip cfb init */ 153 return 0; 154 } 155 156 int drv_lcd_init(void) 157 { 158 struct stdio_dev lcddev; 159 int rc; 160 161 lcd_base = map_sysmem(gd->fb_base, 0); 162 163 lcd_init(lcd_base); 164 165 if (board_lcd_console_skip()) 166 return 0; 167 168 /* Device initialization */ 169 memset(&lcddev, 0, sizeof(lcddev)); 170 171 strcpy(lcddev.name, "lcd"); 172 lcddev.ext = 0; /* No extensions */ 173 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 174 lcddev.putc = lcd_stub_putc; /* 'putc' function */ 175 lcddev.puts = lcd_stub_puts; /* 'puts' function */ 176 177 rc = stdio_register(&lcddev); 178 179 return (rc == 0) ? 1 : rc; 180 } 181 182 void lcd_clear(void) 183 { 184 int bg_color; 185 char *s; 186 ulong addr; 187 static int do_splash = 1; 188 #if LCD_BPP == LCD_COLOR8 189 /* Setting the palette */ 190 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 191 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 192 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 193 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 194 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 195 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 196 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 197 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 198 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 199 #endif 200 201 #ifndef CONFIG_SYS_WHITE_ON_BLACK 202 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 203 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 204 bg_color = CONSOLE_COLOR_WHITE; 205 #else 206 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 207 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 208 bg_color = CONSOLE_COLOR_BLACK; 209 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 210 211 #ifdef LCD_TEST_PATTERN 212 test_pattern(); 213 #else 214 /* set framebuffer to background color */ 215 #if (LCD_BPP != LCD_COLOR32) 216 memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); 217 #else 218 u32 *ppix = lcd_base; 219 u32 i; 220 for (i = 0; 221 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); 222 i++) { 223 *ppix++ = bg_color; 224 } 225 #endif 226 #endif 227 /* setup text-console */ 228 debug("[LCD] setting up console...\n"); 229 lcd_init_console(lcd_base, 230 panel_info.vl_col, 231 panel_info.vl_row, 232 panel_info.vl_rot); 233 /* Paint the logo and retrieve LCD base address */ 234 debug("[LCD] Drawing the logo...\n"); 235 if (do_splash) { 236 s = getenv("splashimage"); 237 if (s) { 238 do_splash = 0; 239 addr = simple_strtoul(s, NULL, 16); 240 if (lcd_splash(addr) == 0) { 241 lcd_sync(); 242 return; 243 } 244 } 245 } 246 247 lcd_logo(); 248 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 249 addr = (ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length; 250 lcd_init_console((void *)addr, panel_info.vl_col, 251 panel_info.vl_row, panel_info.vl_rot); 252 #endif 253 lcd_sync(); 254 } 255 256 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, 257 char *const argv[]) 258 { 259 lcd_clear(); 260 return 0; 261 } 262 U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", ""); 263 264 static int lcd_init(void *lcdbase) 265 { 266 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 267 lcd_ctrl_init(lcdbase); 268 269 /* 270 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores 271 * the 'lcdbase' argument and uses custom lcd base address 272 * by setting up gd->fb_base. Check for this condition and fixup 273 * 'lcd_base' address. 274 */ 275 if (map_to_sysmem(lcdbase) != gd->fb_base) 276 lcd_base = map_sysmem(gd->fb_base, 0); 277 278 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); 279 280 lcd_get_size(&lcd_line_length); 281 lcd_is_enabled = 1; 282 lcd_clear(); 283 lcd_enable(); 284 285 /* Initialize the console */ 286 lcd_set_col(0); 287 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 288 lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); 289 #else 290 lcd_set_row(1); /* leave 1 blank line below logo */ 291 #endif 292 293 return 0; 294 } 295 296 /* 297 * This is called early in the system initialization to grab memory 298 * for the LCD controller. 299 * Returns new address for monitor, after reserving LCD buffer memory 300 * 301 * Note that this is running from ROM, so no write access to global data. 302 */ 303 ulong lcd_setmem(ulong addr) 304 { 305 ulong size; 306 int line_length; 307 308 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 309 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 310 311 size = lcd_get_size(&line_length); 312 313 /* Round up to nearest full page, or MMU section if defined */ 314 size = ALIGN(size, CONFIG_LCD_ALIGNMENT); 315 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); 316 317 /* Allocate pages for the frame buffer. */ 318 addr -= size; 319 320 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", 321 size >> 10, addr); 322 323 return addr; 324 } 325 326 static void lcd_setfgcolor(int color) 327 { 328 lcd_color_fg = color; 329 } 330 331 int lcd_getfgcolor(void) 332 { 333 return lcd_color_fg; 334 } 335 336 static void lcd_setbgcolor(int color) 337 { 338 lcd_color_bg = color; 339 } 340 341 int lcd_getbgcolor(void) 342 { 343 return lcd_color_bg; 344 } 345 346 #ifdef CONFIG_LCD_LOGO 347 __weak void lcd_logo_set_cmap(void) 348 { 349 int i; 350 ushort *cmap = configuration_get_cmap(); 351 352 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) 353 *cmap++ = bmp_logo_palette[i]; 354 } 355 356 void lcd_logo_plot(int x, int y) 357 { 358 ushort i, j; 359 uchar *bmap = &bmp_logo_bitmap[0]; 360 unsigned bpix = NBITS(panel_info.vl_bpix); 361 uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); 362 ushort *fb16; 363 364 debug("Logo: width %d height %d colors %d\n", 365 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); 366 367 if (bpix < 12) { 368 WATCHDOG_RESET(); 369 lcd_logo_set_cmap(); 370 WATCHDOG_RESET(); 371 372 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 373 memcpy(fb, bmap, BMP_LOGO_WIDTH); 374 bmap += BMP_LOGO_WIDTH; 375 fb += panel_info.vl_col; 376 } 377 } 378 else { /* true color mode */ 379 u16 col16; 380 fb16 = (ushort *)fb; 381 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 382 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 383 col16 = bmp_logo_palette[(bmap[j]-16)]; 384 fb16[j] = 385 ((col16 & 0x000F) << 1) | 386 ((col16 & 0x00F0) << 3) | 387 ((col16 & 0x0F00) << 4); 388 } 389 bmap += BMP_LOGO_WIDTH; 390 fb16 += panel_info.vl_col; 391 } 392 } 393 394 WATCHDOG_RESET(); 395 lcd_sync(); 396 } 397 #else 398 static inline void lcd_logo_plot(int x, int y) {} 399 #endif /* CONFIG_LCD_LOGO */ 400 401 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 402 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 403 #define BMP_ALIGN_CENTER 0x7FFF 404 405 static void splash_align_axis(int *axis, unsigned long panel_size, 406 unsigned long picture_size) 407 { 408 unsigned long panel_picture_delta = panel_size - picture_size; 409 unsigned long axis_alignment; 410 411 if (*axis == BMP_ALIGN_CENTER) 412 axis_alignment = panel_picture_delta / 2; 413 else if (*axis < 0) 414 axis_alignment = panel_picture_delta + *axis + 1; 415 else 416 return; 417 418 *axis = max(0, (int)axis_alignment); 419 } 420 #endif 421 422 #ifdef CONFIG_LCD_BMP_RLE8 423 #define BMP_RLE8_ESCAPE 0 424 #define BMP_RLE8_EOL 0 425 #define BMP_RLE8_EOBMP 1 426 #define BMP_RLE8_DELTA 2 427 428 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, 429 int cnt) 430 { 431 while (cnt > 0) { 432 *(*fbp)++ = cmap[*bmap++]; 433 cnt--; 434 } 435 } 436 437 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) 438 { 439 ushort *fb = *fbp; 440 int cnt_8copy = cnt >> 3; 441 442 cnt -= cnt_8copy << 3; 443 while (cnt_8copy > 0) { 444 *fb++ = c; 445 *fb++ = c; 446 *fb++ = c; 447 *fb++ = c; 448 *fb++ = c; 449 *fb++ = c; 450 *fb++ = c; 451 *fb++ = c; 452 cnt_8copy--; 453 } 454 while (cnt > 0) { 455 *fb++ = c; 456 cnt--; 457 } 458 *fbp = fb; 459 } 460 461 /* 462 * Do not call this function directly, must be called from lcd_display_bitmap. 463 */ 464 static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, 465 uchar *fb, int x_off, int y_off) 466 { 467 uchar *bmap; 468 ulong width, height; 469 ulong cnt, runlen; 470 int x, y; 471 int decode = 1; 472 473 width = get_unaligned_le32(&bmp->header.width); 474 height = get_unaligned_le32(&bmp->header.height); 475 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 476 477 x = 0; 478 y = height - 1; 479 480 while (decode) { 481 if (bmap[0] == BMP_RLE8_ESCAPE) { 482 switch (bmap[1]) { 483 case BMP_RLE8_EOL: 484 /* end of line */ 485 bmap += 2; 486 x = 0; 487 y--; 488 /* 16bpix, 2-byte per pixel, width should *2 */ 489 fb -= (width * 2 + lcd_line_length); 490 break; 491 case BMP_RLE8_EOBMP: 492 /* end of bitmap */ 493 decode = 0; 494 break; 495 case BMP_RLE8_DELTA: 496 /* delta run */ 497 x += bmap[2]; 498 y -= bmap[3]; 499 /* 16bpix, 2-byte per pixel, x should *2 */ 500 fb = (uchar *) (lcd_base + (y + y_off - 1) 501 * lcd_line_length + (x + x_off) * 2); 502 bmap += 4; 503 break; 504 default: 505 /* unencoded run */ 506 runlen = bmap[1]; 507 bmap += 2; 508 if (y < height) { 509 if (x < width) { 510 if (x + runlen > width) 511 cnt = width - x; 512 else 513 cnt = runlen; 514 draw_unencoded_bitmap( 515 (ushort **)&fb, 516 bmap, cmap, cnt); 517 } 518 x += runlen; 519 } 520 bmap += runlen; 521 if (runlen & 1) 522 bmap++; 523 } 524 } else { 525 /* encoded run */ 526 if (y < height) { 527 runlen = bmap[0]; 528 if (x < width) { 529 /* aggregate the same code */ 530 while (bmap[0] == 0xff && 531 bmap[2] != BMP_RLE8_ESCAPE && 532 bmap[1] == bmap[3]) { 533 runlen += bmap[2]; 534 bmap += 2; 535 } 536 if (x + runlen > width) 537 cnt = width - x; 538 else 539 cnt = runlen; 540 draw_encoded_bitmap((ushort **)&fb, 541 cmap[bmap[1]], cnt); 542 } 543 x += runlen; 544 } 545 bmap += 2; 546 } 547 } 548 } 549 #endif 550 551 __weak void fb_put_byte(uchar **fb, uchar **from) 552 { 553 *(*fb)++ = *(*from)++; 554 } 555 556 #if defined(CONFIG_BMP_16BPP) 557 __weak void fb_put_word(uchar **fb, uchar **from) 558 { 559 *(*fb)++ = *(*from)++; 560 *(*fb)++ = *(*from)++; 561 } 562 #endif /* CONFIG_BMP_16BPP */ 563 564 __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) 565 { 566 int i; 567 struct bmp_color_table_entry cte; 568 ushort *cmap = configuration_get_cmap(); 569 570 for (i = 0; i < colors; ++i) { 571 cte = bmp->color_table[i]; 572 *cmap = (((cte.red) << 8) & 0xf800) | 573 (((cte.green) << 3) & 0x07e0) | 574 (((cte.blue) >> 3) & 0x001f); 575 #if defined(CONFIG_MPC823) 576 cmap--; 577 #else 578 cmap++; 579 #endif 580 } 581 } 582 583 int lcd_display_bitmap(ulong bmp_image, int x, int y) 584 { 585 ushort *cmap_base = NULL; 586 ushort i, j; 587 uchar *fb; 588 struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); 589 uchar *bmap; 590 ushort padded_width; 591 unsigned long width, height, byte_width; 592 unsigned long pwidth = panel_info.vl_col; 593 unsigned colors, bpix, bmp_bpix; 594 int hdr_size; 595 struct bmp_color_table_entry *palette = bmp->color_table; 596 597 if (!bmp || !(bmp->header.signature[0] == 'B' && 598 bmp->header.signature[1] == 'M')) { 599 printf("Error: no valid bmp image at %lx\n", bmp_image); 600 601 return 1; 602 } 603 604 width = get_unaligned_le32(&bmp->header.width); 605 height = get_unaligned_le32(&bmp->header.height); 606 bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); 607 hdr_size = get_unaligned_le16(&bmp->header.size); 608 debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix); 609 610 colors = 1 << bmp_bpix; 611 612 bpix = NBITS(panel_info.vl_bpix); 613 614 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { 615 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 616 bpix, bmp_bpix); 617 618 return 1; 619 } 620 621 /* 622 * We support displaying 8bpp BMPs on 16bpp LCDs 623 * and displaying 24bpp BMPs on 32bpp LCDs 624 * */ 625 if (bpix != bmp_bpix && 626 !(bmp_bpix == 8 && bpix == 16) && 627 !(bmp_bpix == 24 && bpix == 32)) { 628 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 629 bpix, get_unaligned_le16(&bmp->header.bit_count)); 630 return 1; 631 } 632 633 debug("Display-bmp: %d x %d with %d colors, display %d\n", 634 (int)width, (int)height, (int)colors, 1 << bpix); 635 636 if (bmp_bpix == 8) 637 lcd_set_cmap(bmp, colors); 638 639 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); 640 641 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 642 splash_align_axis(&x, pwidth, width); 643 splash_align_axis(&y, panel_info.vl_row, height); 644 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 645 646 if ((x + width) > pwidth) 647 width = pwidth - x; 648 if ((y + height) > panel_info.vl_row) 649 height = panel_info.vl_row - y; 650 651 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 652 fb = (uchar *)(lcd_base + 653 (y + height - 1) * lcd_line_length + x * bpix / 8); 654 655 switch (bmp_bpix) { 656 case 1: 657 case 8: { 658 cmap_base = configuration_get_cmap(); 659 #ifdef CONFIG_LCD_BMP_RLE8 660 u32 compression = get_unaligned_le32(&bmp->header.compression); 661 debug("compressed %d %d\n", compression, BMP_BI_RLE8); 662 if (compression == BMP_BI_RLE8) { 663 if (bpix != 16) { 664 /* TODO implement render code for bpix != 16 */ 665 printf("Error: only support 16 bpix"); 666 return 1; 667 } 668 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); 669 break; 670 } 671 #endif 672 673 if (bpix != 16) 674 byte_width = width; 675 else 676 byte_width = width * 2; 677 678 for (i = 0; i < height; ++i) { 679 WATCHDOG_RESET(); 680 for (j = 0; j < width; j++) { 681 if (bpix != 16) { 682 fb_put_byte(&fb, &bmap); 683 } else { 684 struct bmp_color_table_entry *entry; 685 uint val; 686 687 if (cmap_base) { 688 val = cmap_base[*bmap]; 689 } else { 690 entry = &palette[*bmap]; 691 val = entry->blue >> 3 | 692 entry->green >> 2 << 5 | 693 entry->red >> 3 << 11; 694 } 695 *(uint16_t *)fb = val; 696 bmap++; 697 fb += sizeof(uint16_t) / sizeof(*fb); 698 } 699 } 700 bmap += (padded_width - width); 701 fb -= byte_width + lcd_line_length; 702 } 703 break; 704 } 705 #if defined(CONFIG_BMP_16BPP) 706 case 16: 707 for (i = 0; i < height; ++i) { 708 WATCHDOG_RESET(); 709 for (j = 0; j < width; j++) 710 fb_put_word(&fb, &bmap); 711 712 bmap += (padded_width - width) * 2; 713 fb -= width * 2 + lcd_line_length; 714 } 715 break; 716 #endif /* CONFIG_BMP_16BPP */ 717 #if defined(CONFIG_BMP_24BMP) 718 case 24: 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++) = 0; 725 } 726 fb -= lcd_line_length + width * (bpix / 8); 727 } 728 break; 729 #endif /* CONFIG_BMP_24BMP */ 730 #if defined(CONFIG_BMP_32BPP) 731 case 32: 732 for (i = 0; i < height; ++i) { 733 for (j = 0; j < width; j++) { 734 *(fb++) = *(bmap++); 735 *(fb++) = *(bmap++); 736 *(fb++) = *(bmap++); 737 *(fb++) = *(bmap++); 738 } 739 fb -= lcd_line_length + width * (bpix / 8); 740 } 741 break; 742 #endif /* CONFIG_BMP_32BPP */ 743 default: 744 break; 745 }; 746 747 lcd_sync(); 748 return 0; 749 } 750 #endif 751 752 static void lcd_logo(void) 753 { 754 lcd_logo_plot(0, 0); 755 756 #ifdef CONFIG_LCD_INFO 757 lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); 758 lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); 759 lcd_show_board_info(); 760 #endif /* CONFIG_LCD_INFO */ 761 } 762 763 #ifdef CONFIG_SPLASHIMAGE_GUARD 764 static int on_splashimage(const char *name, const char *value, enum env_op op, 765 int flags) 766 { 767 ulong addr; 768 int aligned; 769 770 if (op == env_op_delete) 771 return 0; 772 773 addr = simple_strtoul(value, NULL, 16); 774 /* See README.displaying-bmps */ 775 aligned = (addr % 4 == 2); 776 if (!aligned) { 777 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); 778 return -1; 779 } 780 781 return 0; 782 } 783 784 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); 785 #endif 786 787 int lcd_get_pixel_width(void) 788 { 789 return panel_info.vl_col; 790 } 791 792 int lcd_get_pixel_height(void) 793 { 794 return panel_info.vl_row; 795 } 796