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 #ifndef CONFIG_LCD_ALIGNMENT 35 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE 36 #endif 37 38 #if (LCD_BPP != LCD_COLOR8) && (LCD_BPP != LCD_COLOR16) && \ 39 (LCD_BPP != LCD_COLOR32) 40 #error Unsupported LCD BPP. 41 #endif 42 43 DECLARE_GLOBAL_DATA_PTR; 44 45 static int lcd_init(void *lcdbase); 46 static void lcd_logo(void); 47 static void lcd_setfgcolor(int color); 48 static void lcd_setbgcolor(int color); 49 50 static int lcd_color_fg; 51 static int lcd_color_bg; 52 int lcd_line_length; 53 char lcd_is_enabled = 0; 54 static void *lcd_base; /* Start of framebuffer memory */ 55 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ 56 57 /* Flush LCD activity to the caches */ 58 void lcd_sync(void) 59 { 60 /* 61 * flush_dcache_range() is declared in common.h but it seems that some 62 * architectures do not actually implement it. Is there a way to find 63 * out whether it exists? For now, ARM is safe. 64 */ 65 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) 66 int line_length; 67 68 if (lcd_flush_dcache) 69 flush_dcache_range((ulong)lcd_base, 70 (ulong)(lcd_base + lcd_get_size(&line_length))); 71 #endif 72 } 73 74 void lcd_set_flush_dcache(int flush) 75 { 76 lcd_flush_dcache = (flush != 0); 77 } 78 79 static void lcd_stub_putc(struct stdio_dev *dev, const char c) 80 { 81 lcd_putc(c); 82 } 83 84 static void lcd_stub_puts(struct stdio_dev *dev, const char *s) 85 { 86 lcd_puts(s); 87 } 88 89 /* Small utility to check that you got the colours right */ 90 #ifdef LCD_TEST_PATTERN 91 92 #if LCD_BPP == LCD_COLOR8 93 #define N_BLK_VERT 2 94 #define N_BLK_HOR 3 95 96 static int test_colors[N_BLK_HOR * N_BLK_VERT] = { 97 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 98 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 99 }; /*LCD_BPP == LCD_COLOR8 */ 100 101 #elif LCD_BPP == LCD_COLOR16 102 #define N_BLK_VERT 2 103 #define N_BLK_HOR 4 104 105 static int test_colors[N_BLK_HOR * N_BLK_VERT] = { 106 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, CONSOLE_COLOR_BLUE, 107 CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, CONSOLE_COLOR_GREY, CONSOLE_COLOR_WHITE, 108 }; 109 #endif /*LCD_BPP == LCD_COLOR16 */ 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 #if LCD_BPP == LCD_COLOR8 119 uchar *pix = (uchar *)lcd_base; 120 #elif LCD_BPP == LCD_COLOR16 121 ushort *pix = (ushort *)lcd_base; 122 #endif 123 124 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", 125 h_max, v_max, h_step, v_step); 126 127 for (v = 0; v < v_max; ++v) { 128 uchar iy = v / v_step; 129 for (h = 0; h < h_max; ++h) { 130 uchar ix = N_BLK_HOR * iy + h / h_step; 131 *pix++ = test_colors[ix]; 132 } 133 } 134 } 135 #endif /* LCD_TEST_PATTERN */ 136 137 /* 138 * With most lcd drivers the line length is set up 139 * by calculating it from panel_info parameters. Some 140 * drivers need to calculate the line length differently, 141 * so make the function weak to allow overriding it. 142 */ 143 __weak int lcd_get_size(int *line_length) 144 { 145 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; 146 return *line_length * panel_info.vl_row; 147 } 148 149 int drv_lcd_init(void) 150 { 151 struct stdio_dev lcddev; 152 int rc; 153 154 lcd_base = map_sysmem(gd->fb_base, 0); 155 156 lcd_init(lcd_base); 157 158 /* Device initialization */ 159 memset(&lcddev, 0, sizeof(lcddev)); 160 161 strcpy(lcddev.name, "lcd"); 162 lcddev.ext = 0; /* No extensions */ 163 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 164 lcddev.putc = lcd_stub_putc; /* 'putc' function */ 165 lcddev.puts = lcd_stub_puts; /* 'puts' function */ 166 167 rc = stdio_register(&lcddev); 168 169 return (rc == 0) ? 1 : rc; 170 } 171 172 void lcd_clear(void) 173 { 174 int bg_color; 175 char *s; 176 ulong addr; 177 static int do_splash = 1; 178 #if LCD_BPP == LCD_COLOR8 179 /* Setting the palette */ 180 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 181 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 182 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 183 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 184 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 185 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 186 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 187 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 188 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 189 #endif 190 191 #ifndef CONFIG_SYS_WHITE_ON_BLACK 192 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 193 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 194 bg_color = CONSOLE_COLOR_WHITE; 195 #else 196 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 197 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 198 bg_color = CONSOLE_COLOR_BLACK; 199 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 200 201 #ifdef LCD_TEST_PATTERN 202 test_pattern(); 203 #else 204 /* set framebuffer to background color */ 205 #if (LCD_BPP != LCD_COLOR32) 206 memset((char *)lcd_base, bg_color, lcd_line_length * panel_info.vl_row); 207 #else 208 u32 *ppix = lcd_base; 209 u32 i; 210 for (i = 0; 211 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); 212 i++) { 213 *ppix++ = bg_color; 214 } 215 #endif 216 #endif 217 /* setup text-console */ 218 debug("[LCD] setting up console...\n"); 219 lcd_init_console(lcd_base, 220 panel_info.vl_col, 221 panel_info.vl_row, 222 panel_info.vl_rot); 223 /* Paint the logo and retrieve LCD base address */ 224 debug("[LCD] Drawing the logo...\n"); 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, panel_info.vl_col, 241 panel_info.vl_row, panel_info.vl_rot); 242 #endif 243 lcd_sync(); 244 } 245 246 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, 247 char *const argv[]) 248 { 249 lcd_clear(); 250 return 0; 251 } 252 U_BOOT_CMD(cls, 1, 1, do_lcd_clear, "clear screen", ""); 253 254 static int lcd_init(void *lcdbase) 255 { 256 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 257 lcd_ctrl_init(lcdbase); 258 259 /* 260 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi) ignores 261 * the 'lcdbase' argument and uses custom lcd base address 262 * by setting up gd->fb_base. Check for this condition and fixup 263 * 'lcd_base' address. 264 */ 265 if (map_to_sysmem(lcdbase) != gd->fb_base) 266 lcd_base = map_sysmem(gd->fb_base, 0); 267 268 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); 269 270 lcd_get_size(&lcd_line_length); 271 lcd_is_enabled = 1; 272 lcd_clear(); 273 lcd_enable(); 274 275 /* Initialize the console */ 276 lcd_set_col(0); 277 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 278 lcd_set_row(7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT); 279 #else 280 lcd_set_row(1); /* leave 1 blank line below logo */ 281 #endif 282 283 return 0; 284 } 285 286 /* 287 * This is called early in the system initialization to grab memory 288 * for the LCD controller. 289 * Returns new address for monitor, after reserving LCD buffer memory 290 * 291 * Note that this is running from ROM, so no write access to global data. 292 */ 293 ulong lcd_setmem(ulong addr) 294 { 295 ulong size; 296 int line_length; 297 298 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 299 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 300 301 size = lcd_get_size(&line_length); 302 303 /* Round up to nearest full page, or MMU section if defined */ 304 size = ALIGN(size, CONFIG_LCD_ALIGNMENT); 305 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); 306 307 /* Allocate pages for the frame buffer. */ 308 addr -= size; 309 310 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", 311 size >> 10, addr); 312 313 return addr; 314 } 315 316 static void lcd_setfgcolor(int color) 317 { 318 lcd_color_fg = color; 319 } 320 321 int lcd_getfgcolor(void) 322 { 323 return lcd_color_fg; 324 } 325 326 static void lcd_setbgcolor(int color) 327 { 328 lcd_color_bg = color; 329 } 330 331 int lcd_getbgcolor(void) 332 { 333 return lcd_color_bg; 334 } 335 336 #ifdef CONFIG_LCD_LOGO 337 __weak void lcd_logo_set_cmap(void) 338 { 339 int i; 340 ushort *cmap = configuration_get_cmap(); 341 342 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) 343 *cmap++ = bmp_logo_palette[i]; 344 } 345 346 void lcd_logo_plot(int x, int y) 347 { 348 ushort i, j; 349 uchar *bmap = &bmp_logo_bitmap[0]; 350 unsigned bpix = NBITS(panel_info.vl_bpix); 351 uchar *fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); 352 ushort *fb16; 353 354 debug("Logo: width %d height %d colors %d\n", 355 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS); 356 357 if (bpix < 12) { 358 WATCHDOG_RESET(); 359 lcd_logo_set_cmap(); 360 WATCHDOG_RESET(); 361 362 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 363 memcpy(fb, bmap, BMP_LOGO_WIDTH); 364 bmap += BMP_LOGO_WIDTH; 365 fb += panel_info.vl_col; 366 } 367 } 368 else { /* true color mode */ 369 u16 col16; 370 fb16 = (ushort *)fb; 371 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 372 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 373 col16 = bmp_logo_palette[(bmap[j]-16)]; 374 fb16[j] = 375 ((col16 & 0x000F) << 1) | 376 ((col16 & 0x00F0) << 3) | 377 ((col16 & 0x0F00) << 4); 378 } 379 bmap += BMP_LOGO_WIDTH; 380 fb16 += panel_info.vl_col; 381 } 382 } 383 384 WATCHDOG_RESET(); 385 lcd_sync(); 386 } 387 #else 388 static inline void lcd_logo_plot(int x, int y) {} 389 #endif /* CONFIG_LCD_LOGO */ 390 391 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 392 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 393 #define BMP_ALIGN_CENTER 0x7FFF 394 395 static void splash_align_axis(int *axis, unsigned long panel_size, 396 unsigned long picture_size) 397 { 398 unsigned long panel_picture_delta = panel_size - picture_size; 399 unsigned long axis_alignment; 400 401 if (*axis == BMP_ALIGN_CENTER) 402 axis_alignment = panel_picture_delta / 2; 403 else if (*axis < 0) 404 axis_alignment = panel_picture_delta + *axis + 1; 405 else 406 return; 407 408 *axis = max(0, (int)axis_alignment); 409 } 410 #endif 411 412 #ifdef CONFIG_LCD_BMP_RLE8 413 #define BMP_RLE8_ESCAPE 0 414 #define BMP_RLE8_EOL 0 415 #define BMP_RLE8_EOBMP 1 416 #define BMP_RLE8_DELTA 2 417 418 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, 419 int cnt) 420 { 421 while (cnt > 0) { 422 *(*fbp)++ = cmap[*bmap++]; 423 cnt--; 424 } 425 } 426 427 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) 428 { 429 ushort *fb = *fbp; 430 int cnt_8copy = cnt >> 3; 431 432 cnt -= cnt_8copy << 3; 433 while (cnt_8copy > 0) { 434 *fb++ = c; 435 *fb++ = c; 436 *fb++ = c; 437 *fb++ = c; 438 *fb++ = c; 439 *fb++ = c; 440 *fb++ = c; 441 *fb++ = c; 442 cnt_8copy--; 443 } 444 while (cnt > 0) { 445 *fb++ = c; 446 cnt--; 447 } 448 *fbp = fb; 449 } 450 451 /* 452 * Do not call this function directly, must be called from lcd_display_bitmap. 453 */ 454 static void lcd_display_rle8_bitmap(struct bmp_image *bmp, ushort *cmap, 455 uchar *fb, int x_off, int y_off) 456 { 457 uchar *bmap; 458 ulong width, height; 459 ulong cnt, runlen; 460 int x, y; 461 int decode = 1; 462 463 width = get_unaligned_le32(&bmp->header.width); 464 height = get_unaligned_le32(&bmp->header.height); 465 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 466 467 x = 0; 468 y = height - 1; 469 470 while (decode) { 471 if (bmap[0] == BMP_RLE8_ESCAPE) { 472 switch (bmap[1]) { 473 case BMP_RLE8_EOL: 474 /* end of line */ 475 bmap += 2; 476 x = 0; 477 y--; 478 /* 16bpix, 2-byte per pixel, width should *2 */ 479 fb -= (width * 2 + lcd_line_length); 480 break; 481 case BMP_RLE8_EOBMP: 482 /* end of bitmap */ 483 decode = 0; 484 break; 485 case BMP_RLE8_DELTA: 486 /* delta run */ 487 x += bmap[2]; 488 y -= bmap[3]; 489 /* 16bpix, 2-byte per pixel, x should *2 */ 490 fb = (uchar *) (lcd_base + (y + y_off - 1) 491 * lcd_line_length + (x + x_off) * 2); 492 bmap += 4; 493 break; 494 default: 495 /* unencoded run */ 496 runlen = bmap[1]; 497 bmap += 2; 498 if (y < height) { 499 if (x < width) { 500 if (x + runlen > width) 501 cnt = width - x; 502 else 503 cnt = runlen; 504 draw_unencoded_bitmap( 505 (ushort **)&fb, 506 bmap, cmap, cnt); 507 } 508 x += runlen; 509 } 510 bmap += runlen; 511 if (runlen & 1) 512 bmap++; 513 } 514 } else { 515 /* encoded run */ 516 if (y < height) { 517 runlen = bmap[0]; 518 if (x < width) { 519 /* aggregate the same code */ 520 while (bmap[0] == 0xff && 521 bmap[2] != BMP_RLE8_ESCAPE && 522 bmap[1] == bmap[3]) { 523 runlen += bmap[2]; 524 bmap += 2; 525 } 526 if (x + runlen > width) 527 cnt = width - x; 528 else 529 cnt = runlen; 530 draw_encoded_bitmap((ushort **)&fb, 531 cmap[bmap[1]], cnt); 532 } 533 x += runlen; 534 } 535 bmap += 2; 536 } 537 } 538 } 539 #endif 540 541 __weak void fb_put_byte(uchar **fb, uchar **from) 542 { 543 *(*fb)++ = *(*from)++; 544 } 545 546 #if defined(CONFIG_BMP_16BPP) 547 __weak void fb_put_word(uchar **fb, uchar **from) 548 { 549 *(*fb)++ = *(*from)++; 550 *(*fb)++ = *(*from)++; 551 } 552 #endif /* CONFIG_BMP_16BPP */ 553 554 __weak void lcd_set_cmap(struct bmp_image *bmp, unsigned colors) 555 { 556 int i; 557 struct bmp_color_table_entry cte; 558 ushort *cmap = configuration_get_cmap(); 559 560 for (i = 0; i < colors; ++i) { 561 cte = bmp->color_table[i]; 562 *cmap = (((cte.red) << 8) & 0xf800) | 563 (((cte.green) << 3) & 0x07e0) | 564 (((cte.blue) >> 3) & 0x001f); 565 #if defined(CONFIG_MPC823) 566 cmap--; 567 #else 568 cmap++; 569 #endif 570 } 571 } 572 573 int lcd_display_bitmap(ulong bmp_image, int x, int y) 574 { 575 ushort *cmap_base = NULL; 576 ushort i, j; 577 uchar *fb; 578 struct bmp_image *bmp = (struct bmp_image *)map_sysmem(bmp_image, 0); 579 uchar *bmap; 580 ushort padded_width; 581 unsigned long width, height, byte_width; 582 unsigned long pwidth = panel_info.vl_col; 583 unsigned colors, bpix, bmp_bpix; 584 int hdr_size; 585 struct bmp_color_table_entry *palette = bmp->color_table; 586 587 if (!bmp || !(bmp->header.signature[0] == 'B' && 588 bmp->header.signature[1] == 'M')) { 589 printf("Error: no valid bmp image at %lx\n", bmp_image); 590 591 return 1; 592 } 593 594 width = get_unaligned_le32(&bmp->header.width); 595 height = get_unaligned_le32(&bmp->header.height); 596 bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); 597 hdr_size = get_unaligned_le16(&bmp->header.size); 598 debug("hdr_size=%d, bmp_bpix=%d\n", hdr_size, bmp_bpix); 599 600 colors = 1 << bmp_bpix; 601 602 bpix = NBITS(panel_info.vl_bpix); 603 604 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { 605 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 606 bpix, bmp_bpix); 607 608 return 1; 609 } 610 611 /* 612 * We support displaying 8bpp BMPs on 16bpp LCDs 613 * and displaying 24bpp BMPs on 32bpp LCDs 614 * */ 615 if (bpix != bmp_bpix && 616 !(bmp_bpix == 8 && bpix == 16) && 617 !(bmp_bpix == 24 && bpix == 32)) { 618 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 619 bpix, get_unaligned_le16(&bmp->header.bit_count)); 620 return 1; 621 } 622 623 debug("Display-bmp: %d x %d with %d colors, display %d\n", 624 (int)width, (int)height, (int)colors, 1 << bpix); 625 626 if (bmp_bpix == 8) 627 lcd_set_cmap(bmp, colors); 628 629 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); 630 631 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 632 splash_align_axis(&x, pwidth, width); 633 splash_align_axis(&y, panel_info.vl_row, height); 634 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 635 636 if ((x + width) > pwidth) 637 width = pwidth - x; 638 if ((y + height) > panel_info.vl_row) 639 height = panel_info.vl_row - y; 640 641 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 642 fb = (uchar *)(lcd_base + 643 (y + height - 1) * lcd_line_length + x * bpix / 8); 644 645 switch (bmp_bpix) { 646 case 1: 647 case 8: { 648 cmap_base = configuration_get_cmap(); 649 #ifdef CONFIG_LCD_BMP_RLE8 650 u32 compression = get_unaligned_le32(&bmp->header.compression); 651 debug("compressed %d %d\n", compression, BMP_BI_RLE8); 652 if (compression == BMP_BI_RLE8) { 653 if (bpix != 16) { 654 /* TODO implement render code for bpix != 16 */ 655 printf("Error: only support 16 bpix"); 656 return 1; 657 } 658 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); 659 break; 660 } 661 #endif 662 663 if (bpix != 16) 664 byte_width = width; 665 else 666 byte_width = width * 2; 667 668 for (i = 0; i < height; ++i) { 669 WATCHDOG_RESET(); 670 for (j = 0; j < width; j++) { 671 if (bpix != 16) { 672 fb_put_byte(&fb, &bmap); 673 } else { 674 struct bmp_color_table_entry *entry; 675 uint val; 676 677 if (cmap_base) { 678 val = cmap_base[*bmap]; 679 } else { 680 entry = &palette[*bmap]; 681 val = entry->blue >> 3 | 682 entry->green >> 2 << 5 | 683 entry->red >> 3 << 11; 684 } 685 *(uint16_t *)fb = val; 686 bmap++; 687 fb += sizeof(uint16_t) / sizeof(*fb); 688 } 689 } 690 bmap += (padded_width - width); 691 fb -= byte_width + lcd_line_length; 692 } 693 break; 694 } 695 #if defined(CONFIG_BMP_16BPP) 696 case 16: 697 for (i = 0; i < height; ++i) { 698 WATCHDOG_RESET(); 699 for (j = 0; j < width; j++) 700 fb_put_word(&fb, &bmap); 701 702 bmap += (padded_width - width) * 2; 703 fb -= width * 2 + lcd_line_length; 704 } 705 break; 706 #endif /* CONFIG_BMP_16BPP */ 707 #if defined(CONFIG_BMP_24BMP) 708 case 24: 709 for (i = 0; i < height; ++i) { 710 for (j = 0; j < width; j++) { 711 *(fb++) = *(bmap++); 712 *(fb++) = *(bmap++); 713 *(fb++) = *(bmap++); 714 *(fb++) = 0; 715 } 716 fb -= lcd_line_length + width * (bpix / 8); 717 } 718 break; 719 #endif /* CONFIG_BMP_24BMP */ 720 #if defined(CONFIG_BMP_32BPP) 721 case 32: 722 for (i = 0; i < height; ++i) { 723 for (j = 0; j < width; j++) { 724 *(fb++) = *(bmap++); 725 *(fb++) = *(bmap++); 726 *(fb++) = *(bmap++); 727 *(fb++) = *(bmap++); 728 } 729 fb -= lcd_line_length + width * (bpix / 8); 730 } 731 break; 732 #endif /* CONFIG_BMP_32BPP */ 733 default: 734 break; 735 }; 736 737 lcd_sync(); 738 return 0; 739 } 740 #endif 741 742 static void lcd_logo(void) 743 { 744 lcd_logo_plot(0, 0); 745 746 #ifdef CONFIG_LCD_INFO 747 lcd_set_col(LCD_INFO_X / VIDEO_FONT_WIDTH); 748 lcd_set_row(LCD_INFO_Y / VIDEO_FONT_HEIGHT); 749 lcd_show_board_info(); 750 #endif /* CONFIG_LCD_INFO */ 751 } 752 753 #ifdef CONFIG_SPLASHIMAGE_GUARD 754 static int on_splashimage(const char *name, const char *value, enum env_op op, 755 int flags) 756 { 757 ulong addr; 758 int aligned; 759 760 if (op == env_op_delete) 761 return 0; 762 763 addr = simple_strtoul(value, NULL, 16); 764 /* See README.displaying-bmps */ 765 aligned = (addr % 4 == 2); 766 if (!aligned) { 767 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); 768 return -1; 769 } 770 771 return 0; 772 } 773 774 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); 775 #endif 776 777 int lcd_get_pixel_width(void) 778 { 779 return panel_info.vl_col; 780 } 781 782 int lcd_get_pixel_height(void) 783 { 784 return panel_info.vl_row; 785 } 786