1 /* 2 * Common LCD routines for supported CPUs 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 /************************************************************************/ 11 /* ** HEADER FILES */ 12 /************************************************************************/ 13 14 /* #define DEBUG */ 15 16 #include <config.h> 17 #include <common.h> 18 #include <command.h> 19 #include <stdarg.h> 20 #include <search.h> 21 #include <env_callback.h> 22 #include <linux/types.h> 23 #include <stdio_dev.h> 24 #if defined(CONFIG_POST) 25 #include <post.h> 26 #endif 27 #include <lcd.h> 28 #include <watchdog.h> 29 #include <asm/unaligned.h> 30 #include <splash.h> 31 #include <asm/io.h> 32 #include <asm/unaligned.h> 33 34 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ 35 defined(CONFIG_CPU_MONAHANS) 36 #define CONFIG_CPU_PXA 37 #include <asm/byteorder.h> 38 #endif 39 40 #if defined(CONFIG_MPC823) 41 #include <lcdvideo.h> 42 #endif 43 44 #if defined(CONFIG_ATMEL_LCD) 45 #include <atmel_lcdc.h> 46 #endif 47 48 #if defined(CONFIG_LCD_DT_SIMPLEFB) 49 #include <libfdt.h> 50 #endif 51 52 /************************************************************************/ 53 /* ** FONT DATA */ 54 /************************************************************************/ 55 #include <video_font.h> /* Get font data, width and height */ 56 57 /************************************************************************/ 58 /* ** LOGO DATA */ 59 /************************************************************************/ 60 #ifdef CONFIG_LCD_LOGO 61 # include <bmp_logo.h> /* Get logo data, width and height */ 62 # include <bmp_logo_data.h> 63 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) 64 # error Default Color Map overlaps with Logo Color Map 65 # endif 66 #endif 67 68 #ifdef CONFIG_SANDBOX 69 #include <asm/sdl.h> 70 #endif 71 72 #ifndef CONFIG_LCD_ALIGNMENT 73 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE 74 #endif 75 76 /* By default we scroll by a single line */ 77 #ifndef CONFIG_CONSOLE_SCROLL_LINES 78 #define CONFIG_CONSOLE_SCROLL_LINES 1 79 #endif 80 81 /************************************************************************/ 82 /* ** CONSOLE DEFINITIONS & FUNCTIONS */ 83 /************************************************************************/ 84 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 85 # define CONSOLE_ROWS ((panel_info.vl_row-BMP_LOGO_HEIGHT) \ 86 / VIDEO_FONT_HEIGHT) 87 #else 88 # define CONSOLE_ROWS (panel_info.vl_row / VIDEO_FONT_HEIGHT) 89 #endif 90 91 #define CONSOLE_COLS (panel_info.vl_col / VIDEO_FONT_WIDTH) 92 #define CONSOLE_ROW_SIZE (VIDEO_FONT_HEIGHT * lcd_line_length) 93 #define CONSOLE_ROW_FIRST lcd_console_address 94 #define CONSOLE_ROW_SECOND (lcd_console_address + CONSOLE_ROW_SIZE) 95 #define CONSOLE_ROW_LAST (lcd_console_address + CONSOLE_SIZE \ 96 - CONSOLE_ROW_SIZE) 97 #define CONSOLE_SIZE (CONSOLE_ROW_SIZE * CONSOLE_ROWS) 98 #define CONSOLE_SCROLL_SIZE (CONSOLE_SIZE - CONSOLE_ROW_SIZE) 99 100 #if LCD_BPP == LCD_MONOCHROME 101 # define COLOR_MASK(c) ((c) | (c) << 1 | (c) << 2 | (c) << 3 | \ 102 (c) << 4 | (c) << 5 | (c) << 6 | (c) << 7) 103 #elif (LCD_BPP == LCD_COLOR8) || (LCD_BPP == LCD_COLOR16) || \ 104 (LCD_BPP == LCD_COLOR32) 105 # define COLOR_MASK(c) (c) 106 #else 107 # error Unsupported LCD BPP. 108 #endif 109 110 DECLARE_GLOBAL_DATA_PTR; 111 112 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count); 113 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s); 114 static inline void lcd_putc_xy(ushort x, ushort y, uchar c); 115 116 static int lcd_init(void *lcdbase); 117 118 static void *lcd_logo(void); 119 120 static int lcd_getbgcolor(void); 121 static void lcd_setfgcolor(int color); 122 static void lcd_setbgcolor(int color); 123 124 static int lcd_color_fg; 125 static int lcd_color_bg; 126 int lcd_line_length; 127 128 char lcd_is_enabled = 0; 129 130 static short console_col; 131 static short console_row; 132 133 static void *lcd_console_address; 134 static void *lcd_base; /* Start of framebuffer memory */ 135 136 static char lcd_flush_dcache; /* 1 to flush dcache after each lcd update */ 137 138 /************************************************************************/ 139 140 /* Flush LCD activity to the caches */ 141 void lcd_sync(void) 142 { 143 /* 144 * flush_dcache_range() is declared in common.h but it seems that some 145 * architectures do not actually implement it. Is there a way to find 146 * out whether it exists? For now, ARM is safe. 147 */ 148 #if defined(CONFIG_ARM) && !defined(CONFIG_SYS_DCACHE_OFF) 149 int line_length; 150 151 if (lcd_flush_dcache) 152 flush_dcache_range((u32)lcd_base, 153 (u32)(lcd_base + lcd_get_size(&line_length))); 154 #elif defined(CONFIG_SANDBOX) && defined(CONFIG_VIDEO_SANDBOX_SDL) 155 static ulong last_sync; 156 157 if (get_timer(last_sync) > 10) { 158 sandbox_sdl_sync(lcd_base); 159 last_sync = get_timer(0); 160 } 161 #endif 162 } 163 164 void lcd_set_flush_dcache(int flush) 165 { 166 lcd_flush_dcache = (flush != 0); 167 } 168 169 /*----------------------------------------------------------------------*/ 170 171 static void console_scrollup(void) 172 { 173 const int rows = CONFIG_CONSOLE_SCROLL_LINES; 174 175 /* Copy up rows ignoring those that will be overwritten */ 176 memcpy(CONSOLE_ROW_FIRST, 177 lcd_console_address + CONSOLE_ROW_SIZE * rows, 178 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows); 179 180 /* Clear the last rows */ 181 #if (LCD_BPP != LCD_COLOR32) 182 memset(lcd_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows, 183 COLOR_MASK(lcd_color_bg), 184 CONSOLE_ROW_SIZE * rows); 185 #else 186 u32 *ppix = lcd_console_address + 187 CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows; 188 u32 i; 189 for (i = 0; 190 i < (CONSOLE_ROW_SIZE * rows) / NBYTES(panel_info.vl_bpix); 191 i++) { 192 *ppix++ = COLOR_MASK(lcd_color_bg); 193 } 194 #endif 195 lcd_sync(); 196 console_row -= rows; 197 } 198 199 /*----------------------------------------------------------------------*/ 200 201 static inline void console_back(void) 202 { 203 if (--console_col < 0) { 204 console_col = CONSOLE_COLS-1 ; 205 if (--console_row < 0) 206 console_row = 0; 207 } 208 209 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 210 console_row * VIDEO_FONT_HEIGHT, ' '); 211 } 212 213 /*----------------------------------------------------------------------*/ 214 215 static inline void console_newline(void) 216 { 217 console_col = 0; 218 219 /* Check if we need to scroll the terminal */ 220 if (++console_row >= CONSOLE_ROWS) 221 console_scrollup(); 222 else 223 lcd_sync(); 224 } 225 226 /*----------------------------------------------------------------------*/ 227 228 static void lcd_stub_putc(struct stdio_dev *dev, const char c) 229 { 230 lcd_putc(c); 231 } 232 233 void lcd_putc(const char c) 234 { 235 if (!lcd_is_enabled) { 236 serial_putc(c); 237 238 return; 239 } 240 241 switch (c) { 242 case '\r': 243 console_col = 0; 244 245 return; 246 case '\n': 247 console_newline(); 248 249 return; 250 case '\t': /* Tab (8 chars alignment) */ 251 console_col += 8; 252 console_col &= ~7; 253 254 if (console_col >= CONSOLE_COLS) 255 console_newline(); 256 257 return; 258 case '\b': 259 console_back(); 260 261 return; 262 default: 263 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 264 console_row * VIDEO_FONT_HEIGHT, c); 265 if (++console_col >= CONSOLE_COLS) 266 console_newline(); 267 } 268 } 269 270 /*----------------------------------------------------------------------*/ 271 272 static void lcd_stub_puts(struct stdio_dev *dev, const char *s) 273 { 274 lcd_puts(s); 275 } 276 277 void lcd_puts(const char *s) 278 { 279 if (!lcd_is_enabled) { 280 serial_puts(s); 281 282 return; 283 } 284 285 while (*s) 286 lcd_putc(*s++); 287 288 lcd_sync(); 289 } 290 291 /*----------------------------------------------------------------------*/ 292 293 void lcd_printf(const char *fmt, ...) 294 { 295 va_list args; 296 char buf[CONFIG_SYS_PBSIZE]; 297 298 va_start(args, fmt); 299 vsprintf(buf, fmt, args); 300 va_end(args); 301 302 lcd_puts(buf); 303 } 304 305 /************************************************************************/ 306 /* ** Low-Level Graphics Routines */ 307 /************************************************************************/ 308 309 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count) 310 { 311 uchar *dest; 312 ushort row; 313 314 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 315 y += BMP_LOGO_HEIGHT; 316 #endif 317 318 #if LCD_BPP == LCD_MONOCHROME 319 ushort off = x * (1 << LCD_BPP) % 8; 320 #endif 321 322 dest = (uchar *)(lcd_base + y * lcd_line_length + x * NBITS(LCD_BPP)/8); 323 324 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 325 uchar *s = str; 326 int i; 327 #if LCD_BPP == LCD_COLOR16 328 ushort *d = (ushort *)dest; 329 #elif LCD_BPP == LCD_COLOR32 330 u32 *d = (u32 *)dest; 331 #else 332 uchar *d = dest; 333 #endif 334 335 #if LCD_BPP == LCD_MONOCHROME 336 uchar rest = *d & -(1 << (8 - off)); 337 uchar sym; 338 #endif 339 for (i = 0; i < count; ++i) { 340 uchar c, bits; 341 342 c = *s++; 343 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 344 345 #if LCD_BPP == LCD_MONOCHROME 346 sym = (COLOR_MASK(lcd_color_fg) & bits) | 347 (COLOR_MASK(lcd_color_bg) & ~bits); 348 349 *d++ = rest | (sym >> off); 350 rest = sym << (8-off); 351 #elif LCD_BPP == LCD_COLOR8 352 for (c = 0; c < 8; ++c) { 353 *d++ = (bits & 0x80) ? 354 lcd_color_fg : lcd_color_bg; 355 bits <<= 1; 356 } 357 #elif LCD_BPP == LCD_COLOR16 358 for (c = 0; c < 8; ++c) { 359 *d++ = (bits & 0x80) ? 360 lcd_color_fg : lcd_color_bg; 361 bits <<= 1; 362 } 363 #elif LCD_BPP == LCD_COLOR32 364 for (c = 0; c < 8; ++c) { 365 *d++ = (bits & 0x80) ? 366 lcd_color_fg : lcd_color_bg; 367 bits <<= 1; 368 } 369 #endif 370 } 371 #if LCD_BPP == LCD_MONOCHROME 372 *d = rest | (*d & ((1 << (8 - off)) - 1)); 373 #endif 374 } 375 } 376 377 /*----------------------------------------------------------------------*/ 378 379 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s) 380 { 381 lcd_drawchars(x, y, s, strlen((char *)s)); 382 } 383 384 /*----------------------------------------------------------------------*/ 385 386 static inline void lcd_putc_xy(ushort x, ushort y, uchar c) 387 { 388 lcd_drawchars(x, y, &c, 1); 389 } 390 391 /************************************************************************/ 392 /** Small utility to check that you got the colours right */ 393 /************************************************************************/ 394 #ifdef LCD_TEST_PATTERN 395 396 #define N_BLK_VERT 2 397 #define N_BLK_HOR 3 398 399 static int test_colors[N_BLK_HOR * N_BLK_VERT] = { 400 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 401 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 402 }; 403 404 static void test_pattern(void) 405 { 406 ushort v_max = panel_info.vl_row; 407 ushort h_max = panel_info.vl_col; 408 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 409 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 410 ushort v, h; 411 uchar *pix = (uchar *)lcd_base; 412 413 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", 414 h_max, v_max, h_step, v_step); 415 416 /* WARNING: Code silently assumes 8bit/pixel */ 417 for (v = 0; v < v_max; ++v) { 418 uchar iy = v / v_step; 419 for (h = 0; h < h_max; ++h) { 420 uchar ix = N_BLK_HOR * iy + h / h_step; 421 *pix++ = test_colors[ix]; 422 } 423 } 424 } 425 #endif /* LCD_TEST_PATTERN */ 426 427 428 /************************************************************************/ 429 /* ** GENERIC Initialization Routines */ 430 /************************************************************************/ 431 /* 432 * With most lcd drivers the line length is set up 433 * by calculating it from panel_info parameters. Some 434 * drivers need to calculate the line length differently, 435 * so make the function weak to allow overriding it. 436 */ 437 __weak int lcd_get_size(int *line_length) 438 { 439 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; 440 return *line_length * panel_info.vl_row; 441 } 442 443 int drv_lcd_init(void) 444 { 445 struct stdio_dev lcddev; 446 int rc; 447 448 lcd_base = map_sysmem(gd->fb_base, 0); 449 450 lcd_init(lcd_base); /* LCD initialization */ 451 452 /* Device initialization */ 453 memset(&lcddev, 0, sizeof(lcddev)); 454 455 strcpy(lcddev.name, "lcd"); 456 lcddev.ext = 0; /* No extensions */ 457 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 458 lcddev.putc = lcd_stub_putc; /* 'putc' function */ 459 lcddev.puts = lcd_stub_puts; /* 'puts' function */ 460 461 rc = stdio_register(&lcddev); 462 463 return (rc == 0) ? 1 : rc; 464 } 465 466 /*----------------------------------------------------------------------*/ 467 void lcd_clear(void) 468 { 469 #if LCD_BPP == LCD_MONOCHROME 470 /* Setting the palette */ 471 lcd_initcolregs(); 472 473 #elif LCD_BPP == LCD_COLOR8 474 /* Setting the palette */ 475 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 476 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 477 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 478 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 479 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 480 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 481 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 482 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 483 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 484 #endif 485 486 #ifndef CONFIG_SYS_WHITE_ON_BLACK 487 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 488 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 489 #else 490 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 491 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 492 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 493 494 #ifdef LCD_TEST_PATTERN 495 test_pattern(); 496 #else 497 /* set framebuffer to background color */ 498 #if (LCD_BPP != LCD_COLOR32) 499 memset((char *)lcd_base, 500 COLOR_MASK(lcd_getbgcolor()), 501 lcd_line_length * panel_info.vl_row); 502 #else 503 u32 *ppix = lcd_base; 504 u32 i; 505 for (i = 0; 506 i < (lcd_line_length * panel_info.vl_row)/NBYTES(panel_info.vl_bpix); 507 i++) { 508 *ppix++ = COLOR_MASK(lcd_color_bg); 509 } 510 #endif 511 #endif 512 /* Paint the logo and retrieve LCD base address */ 513 debug("[LCD] Drawing the logo...\n"); 514 lcd_console_address = lcd_logo(); 515 516 console_col = 0; 517 console_row = 0; 518 lcd_sync(); 519 } 520 521 static int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, 522 char *const argv[]) 523 { 524 lcd_clear(); 525 return 0; 526 } 527 528 U_BOOT_CMD( 529 cls, 1, 1, do_lcd_clear, 530 "clear screen", 531 "" 532 ); 533 534 /*----------------------------------------------------------------------*/ 535 536 static int lcd_init(void *lcdbase) 537 { 538 /* Initialize the lcd controller */ 539 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 540 541 lcd_ctrl_init(lcdbase); 542 543 /* 544 * lcd_ctrl_init() of some drivers (i.e. bcm2835 on rpi_b) ignores 545 * the 'lcdbase' argument and uses custom lcd base address 546 * by setting up gd->fb_base. Check for this condition and fixup 547 * 'lcd_base' address. 548 */ 549 if (map_to_sysmem(lcdbase) != gd->fb_base) 550 lcd_base = map_sysmem(gd->fb_base, 0); 551 552 debug("[LCD] Using LCD frambuffer at %p\n", lcd_base); 553 554 lcd_get_size(&lcd_line_length); 555 lcd_is_enabled = 1; 556 lcd_clear(); 557 lcd_enable(); 558 559 /* Initialize the console */ 560 console_col = 0; 561 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 562 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 563 #else 564 console_row = 1; /* leave 1 blank line below logo */ 565 #endif 566 567 return 0; 568 } 569 570 571 /************************************************************************/ 572 /* ** ROM capable initialization part - needed to reserve FB memory */ 573 /************************************************************************/ 574 /* 575 * This is called early in the system initialization to grab memory 576 * for the LCD controller. 577 * Returns new address for monitor, after reserving LCD buffer memory 578 * 579 * Note that this is running from ROM, so no write access to global data. 580 */ 581 ulong lcd_setmem(ulong addr) 582 { 583 ulong size; 584 int line_length; 585 586 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 587 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 588 589 size = lcd_get_size(&line_length); 590 591 /* Round up to nearest full page, or MMU section if defined */ 592 size = ALIGN(size, CONFIG_LCD_ALIGNMENT); 593 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); 594 595 /* Allocate pages for the frame buffer. */ 596 addr -= size; 597 598 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", 599 size >> 10, addr); 600 601 return addr; 602 } 603 604 /*----------------------------------------------------------------------*/ 605 606 static void lcd_setfgcolor(int color) 607 { 608 lcd_color_fg = color; 609 } 610 611 /*----------------------------------------------------------------------*/ 612 613 static void lcd_setbgcolor(int color) 614 { 615 lcd_color_bg = color; 616 } 617 618 /*----------------------------------------------------------------------*/ 619 620 int lcd_getfgcolor(void) 621 { 622 return lcd_color_fg; 623 } 624 625 /*----------------------------------------------------------------------*/ 626 627 static int lcd_getbgcolor(void) 628 { 629 return lcd_color_bg; 630 } 631 632 /************************************************************************/ 633 /* ** Chipset depending Bitmap / Logo stuff... */ 634 /************************************************************************/ 635 static inline ushort *configuration_get_cmap(void) 636 { 637 #if defined CONFIG_CPU_PXA 638 struct pxafb_info *fbi = &panel_info.pxa; 639 return (ushort *)fbi->palette; 640 #elif defined(CONFIG_MPC823) 641 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 642 cpm8xx_t *cp = &(immr->im_cpm); 643 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]); 644 #elif defined(CONFIG_ATMEL_LCD) 645 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0)); 646 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB) 647 return panel_info.cmap; 648 #elif defined(CONFIG_LCD_LOGO) 649 return bmp_logo_palette; 650 #else 651 return NULL; 652 #endif 653 } 654 655 #ifdef CONFIG_LCD_LOGO 656 void bitmap_plot(int x, int y) 657 { 658 #ifdef CONFIG_ATMEL_LCD 659 uint *cmap = (uint *)bmp_logo_palette; 660 #else 661 ushort *cmap = (ushort *)bmp_logo_palette; 662 #endif 663 ushort i, j; 664 uchar *bmap; 665 uchar *fb; 666 ushort *fb16; 667 #if defined(CONFIG_MPC823) 668 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 669 cpm8xx_t *cp = &(immr->im_cpm); 670 #endif 671 unsigned bpix = NBITS(panel_info.vl_bpix); 672 673 debug("Logo: width %d height %d colors %d cmap %d\n", 674 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 675 ARRAY_SIZE(bmp_logo_palette)); 676 677 bmap = &bmp_logo_bitmap[0]; 678 fb = (uchar *)(lcd_base + y * lcd_line_length + x * bpix / 8); 679 680 if (bpix < 12) { 681 /* Leave room for default color map 682 * default case: generic system with no cmap (most likely 16bpp) 683 * cmap was set to the source palette, so no change is done. 684 * This avoids even more ifdefs in the next stanza 685 */ 686 #if defined(CONFIG_MPC823) 687 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); 688 #elif defined(CONFIG_ATMEL_LCD) 689 cmap = (uint *)configuration_get_cmap(); 690 #else 691 cmap = configuration_get_cmap(); 692 #endif 693 694 WATCHDOG_RESET(); 695 696 /* Set color map */ 697 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { 698 ushort colreg = bmp_logo_palette[i]; 699 #ifdef CONFIG_ATMEL_LCD 700 uint lut_entry; 701 #ifdef CONFIG_ATMEL_LCD_BGR555 702 lut_entry = ((colreg & 0x000F) << 11) | 703 ((colreg & 0x00F0) << 2) | 704 ((colreg & 0x0F00) >> 7); 705 #else /* CONFIG_ATMEL_LCD_RGB565 */ 706 lut_entry = ((colreg & 0x000F) << 1) | 707 ((colreg & 0x00F0) << 3) | 708 ((colreg & 0x0F00) << 4); 709 #endif 710 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 711 cmap++; 712 #else /* !CONFIG_ATMEL_LCD */ 713 #ifdef CONFIG_SYS_INVERT_COLORS 714 *cmap++ = 0xffff - colreg; 715 #else 716 *cmap++ = colreg; 717 #endif 718 #endif /* CONFIG_ATMEL_LCD */ 719 } 720 721 WATCHDOG_RESET(); 722 723 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 724 memcpy(fb, bmap, BMP_LOGO_WIDTH); 725 bmap += BMP_LOGO_WIDTH; 726 fb += panel_info.vl_col; 727 } 728 } 729 else { /* true color mode */ 730 u16 col16; 731 fb16 = (ushort *)fb; 732 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 733 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 734 col16 = bmp_logo_palette[(bmap[j]-16)]; 735 fb16[j] = 736 ((col16 & 0x000F) << 1) | 737 ((col16 & 0x00F0) << 3) | 738 ((col16 & 0x0F00) << 4); 739 } 740 bmap += BMP_LOGO_WIDTH; 741 fb16 += panel_info.vl_col; 742 } 743 } 744 745 WATCHDOG_RESET(); 746 lcd_sync(); 747 } 748 #else 749 static inline void bitmap_plot(int x, int y) {} 750 #endif /* CONFIG_LCD_LOGO */ 751 752 /*----------------------------------------------------------------------*/ 753 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 754 /* 755 * Display the BMP file located at address bmp_image. 756 * Only uncompressed. 757 */ 758 759 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 760 #define BMP_ALIGN_CENTER 0x7FFF 761 762 static void splash_align_axis(int *axis, unsigned long panel_size, 763 unsigned long picture_size) 764 { 765 unsigned long panel_picture_delta = panel_size - picture_size; 766 unsigned long axis_alignment; 767 768 if (*axis == BMP_ALIGN_CENTER) 769 axis_alignment = panel_picture_delta / 2; 770 else if (*axis < 0) 771 axis_alignment = panel_picture_delta + *axis + 1; 772 else 773 return; 774 775 *axis = max(0, axis_alignment); 776 } 777 #endif 778 779 780 #ifdef CONFIG_LCD_BMP_RLE8 781 782 #define BMP_RLE8_ESCAPE 0 783 #define BMP_RLE8_EOL 0 784 #define BMP_RLE8_EOBMP 1 785 #define BMP_RLE8_DELTA 2 786 787 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, 788 int cnt) 789 { 790 while (cnt > 0) { 791 *(*fbp)++ = cmap[*bmap++]; 792 cnt--; 793 } 794 } 795 796 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) 797 { 798 ushort *fb = *fbp; 799 int cnt_8copy = cnt >> 3; 800 801 cnt -= cnt_8copy << 3; 802 while (cnt_8copy > 0) { 803 *fb++ = c; 804 *fb++ = c; 805 *fb++ = c; 806 *fb++ = c; 807 *fb++ = c; 808 *fb++ = c; 809 *fb++ = c; 810 *fb++ = c; 811 cnt_8copy--; 812 } 813 while (cnt > 0) { 814 *fb++ = c; 815 cnt--; 816 } 817 *fbp = fb; 818 } 819 820 /* 821 * Do not call this function directly, must be called from lcd_display_bitmap. 822 */ 823 static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, 824 int x_off, int y_off) 825 { 826 uchar *bmap; 827 ulong width, height; 828 ulong cnt, runlen; 829 int x, y; 830 int decode = 1; 831 832 width = get_unaligned_le32(&bmp->header.width); 833 height = get_unaligned_le32(&bmp->header.height); 834 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 835 836 x = 0; 837 y = height - 1; 838 839 while (decode) { 840 if (bmap[0] == BMP_RLE8_ESCAPE) { 841 switch (bmap[1]) { 842 case BMP_RLE8_EOL: 843 /* end of line */ 844 bmap += 2; 845 x = 0; 846 y--; 847 /* 16bpix, 2-byte per pixel, width should *2 */ 848 fb -= (width * 2 + lcd_line_length); 849 break; 850 case BMP_RLE8_EOBMP: 851 /* end of bitmap */ 852 decode = 0; 853 break; 854 case BMP_RLE8_DELTA: 855 /* delta run */ 856 x += bmap[2]; 857 y -= bmap[3]; 858 /* 16bpix, 2-byte per pixel, x should *2 */ 859 fb = (uchar *) (lcd_base + (y + y_off - 1) 860 * lcd_line_length + (x + x_off) * 2); 861 bmap += 4; 862 break; 863 default: 864 /* unencoded run */ 865 runlen = bmap[1]; 866 bmap += 2; 867 if (y < height) { 868 if (x < width) { 869 if (x + runlen > width) 870 cnt = width - x; 871 else 872 cnt = runlen; 873 draw_unencoded_bitmap( 874 (ushort **)&fb, 875 bmap, cmap, cnt); 876 } 877 x += runlen; 878 } 879 bmap += runlen; 880 if (runlen & 1) 881 bmap++; 882 } 883 } else { 884 /* encoded run */ 885 if (y < height) { 886 runlen = bmap[0]; 887 if (x < width) { 888 /* aggregate the same code */ 889 while (bmap[0] == 0xff && 890 bmap[2] != BMP_RLE8_ESCAPE && 891 bmap[1] == bmap[3]) { 892 runlen += bmap[2]; 893 bmap += 2; 894 } 895 if (x + runlen > width) 896 cnt = width - x; 897 else 898 cnt = runlen; 899 draw_encoded_bitmap((ushort **)&fb, 900 cmap[bmap[1]], cnt); 901 } 902 x += runlen; 903 } 904 bmap += 2; 905 } 906 } 907 } 908 #endif 909 910 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 911 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++) 912 #else 913 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++ 914 #endif 915 916 #if defined(CONFIG_BMP_16BPP) 917 #if defined(CONFIG_ATMEL_LCD_BGR555) 918 static inline void fb_put_word(uchar **fb, uchar **from) 919 { 920 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03); 921 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2); 922 *from += 2; 923 } 924 #else 925 static inline void fb_put_word(uchar **fb, uchar **from) 926 { 927 *(*fb)++ = *(*from)++; 928 *(*fb)++ = *(*from)++; 929 } 930 #endif 931 #endif /* CONFIG_BMP_16BPP */ 932 933 int lcd_display_bitmap(ulong bmp_image, int x, int y) 934 { 935 #if !defined(CONFIG_MCC200) 936 ushort *cmap = NULL; 937 #endif 938 ushort *cmap_base = NULL; 939 ushort i, j; 940 uchar *fb; 941 bmp_image_t *bmp = (bmp_image_t *)map_sysmem(bmp_image, 0); 942 uchar *bmap; 943 ushort padded_width; 944 unsigned long width, height, byte_width; 945 unsigned long pwidth = panel_info.vl_col; 946 unsigned colors, bpix, bmp_bpix; 947 948 if (!bmp || !(bmp->header.signature[0] == 'B' && 949 bmp->header.signature[1] == 'M')) { 950 printf("Error: no valid bmp image at %lx\n", bmp_image); 951 952 return 1; 953 } 954 955 width = get_unaligned_le32(&bmp->header.width); 956 height = get_unaligned_le32(&bmp->header.height); 957 bmp_bpix = get_unaligned_le16(&bmp->header.bit_count); 958 959 colors = 1 << bmp_bpix; 960 961 bpix = NBITS(panel_info.vl_bpix); 962 963 if (bpix != 1 && bpix != 8 && bpix != 16 && bpix != 32) { 964 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 965 bpix, bmp_bpix); 966 967 return 1; 968 } 969 970 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 971 if (bpix != bmp_bpix && !(bmp_bpix == 8 && bpix == 16)) { 972 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 973 bpix, get_unaligned_le16(&bmp->header.bit_count)); 974 return 1; 975 } 976 977 debug("Display-bmp: %d x %d with %d colors\n", 978 (int)width, (int)height, (int)colors); 979 980 #if !defined(CONFIG_MCC200) 981 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 982 if (bmp_bpix == 8) { 983 cmap = configuration_get_cmap(); 984 cmap_base = cmap; 985 986 /* Set color map */ 987 for (i = 0; i < colors; ++i) { 988 bmp_color_table_entry_t cte = bmp->color_table[i]; 989 #if !defined(CONFIG_ATMEL_LCD) 990 ushort colreg = 991 ( ((cte.red) << 8) & 0xf800) | 992 ( ((cte.green) << 3) & 0x07e0) | 993 ( ((cte.blue) >> 3) & 0x001f) ; 994 #ifdef CONFIG_SYS_INVERT_COLORS 995 *cmap = 0xffff - colreg; 996 #else 997 *cmap = colreg; 998 #endif 999 #if defined(CONFIG_MPC823) 1000 cmap--; 1001 #else 1002 cmap++; 1003 #endif 1004 #else /* CONFIG_ATMEL_LCD */ 1005 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 1006 #endif 1007 } 1008 } 1009 #endif 1010 /* 1011 * BMP format for Monochrome assumes that the state of a 1012 * pixel is described on a per Bit basis, not per Byte. 1013 * So, in case of Monochrome BMP we should align widths 1014 * on a byte boundary and convert them from Bit to Byte 1015 * units. 1016 * Probably, PXA250 and MPC823 process 1bpp BMP images in 1017 * their own ways, so make the converting to be MCC200 1018 * specific. 1019 */ 1020 #if defined(CONFIG_MCC200) 1021 if (bpix == 1) { 1022 width = ((width + 7) & ~7) >> 3; 1023 x = ((x + 7) & ~7) >> 3; 1024 pwidth= ((pwidth + 7) & ~7) >> 3; 1025 } 1026 #endif 1027 1028 padded_width = (width & 0x3 ? (width & ~0x3) + 4 : width); 1029 1030 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 1031 splash_align_axis(&x, pwidth, width); 1032 splash_align_axis(&y, panel_info.vl_row, height); 1033 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 1034 1035 if ((x + width) > pwidth) 1036 width = pwidth - x; 1037 if ((y + height) > panel_info.vl_row) 1038 height = panel_info.vl_row - y; 1039 1040 bmap = (uchar *)bmp + get_unaligned_le32(&bmp->header.data_offset); 1041 fb = (uchar *)(lcd_base + 1042 (y + height - 1) * lcd_line_length + x * bpix / 8); 1043 1044 switch (bmp_bpix) { 1045 case 1: /* pass through */ 1046 case 8: 1047 #ifdef CONFIG_LCD_BMP_RLE8 1048 u32 compression = get_unaligned_le32(&bmp->header.compression); 1049 if (compression == BMP_BI_RLE8) { 1050 if (bpix != 16) { 1051 /* TODO implement render code for bpix != 16 */ 1052 printf("Error: only support 16 bpix"); 1053 return 1; 1054 } 1055 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); 1056 break; 1057 } 1058 #endif 1059 1060 if (bpix != 16) 1061 byte_width = width; 1062 else 1063 byte_width = width * 2; 1064 1065 for (i = 0; i < height; ++i) { 1066 WATCHDOG_RESET(); 1067 for (j = 0; j < width; j++) { 1068 if (bpix != 16) { 1069 FB_PUT_BYTE(fb, bmap); 1070 } else { 1071 *(uint16_t *)fb = cmap_base[*(bmap++)]; 1072 fb += sizeof(uint16_t) / sizeof(*fb); 1073 } 1074 } 1075 bmap += (padded_width - width); 1076 fb -= byte_width + lcd_line_length; 1077 } 1078 break; 1079 1080 #if defined(CONFIG_BMP_16BPP) 1081 case 16: 1082 for (i = 0; i < height; ++i) { 1083 WATCHDOG_RESET(); 1084 for (j = 0; j < width; j++) 1085 fb_put_word(&fb, &bmap); 1086 1087 bmap += (padded_width - width) * 2; 1088 fb -= width * 2 + lcd_line_length; 1089 } 1090 break; 1091 #endif /* CONFIG_BMP_16BPP */ 1092 1093 #if defined(CONFIG_BMP_32BPP) 1094 case 32: 1095 for (i = 0; i < height; ++i) { 1096 for (j = 0; j < width; j++) { 1097 *(fb++) = *(bmap++); 1098 *(fb++) = *(bmap++); 1099 *(fb++) = *(bmap++); 1100 *(fb++) = *(bmap++); 1101 } 1102 fb -= lcd_line_length + width * (bpix / 8); 1103 } 1104 break; 1105 #endif /* CONFIG_BMP_32BPP */ 1106 default: 1107 break; 1108 }; 1109 1110 lcd_sync(); 1111 return 0; 1112 } 1113 #endif 1114 1115 static void *lcd_logo(void) 1116 { 1117 #ifdef CONFIG_SPLASH_SCREEN 1118 char *s; 1119 ulong addr; 1120 static int do_splash = 1; 1121 1122 if (do_splash && (s = getenv("splashimage")) != NULL) { 1123 int x = 0, y = 0; 1124 do_splash = 0; 1125 1126 if (splash_screen_prepare()) 1127 return (void *)lcd_base; 1128 1129 addr = simple_strtoul (s, NULL, 16); 1130 1131 splash_get_pos(&x, &y); 1132 1133 if (bmp_display(addr, x, y) == 0) 1134 return (void *)lcd_base; 1135 } 1136 #endif /* CONFIG_SPLASH_SCREEN */ 1137 1138 bitmap_plot(0, 0); 1139 1140 #ifdef CONFIG_LCD_INFO 1141 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 1142 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 1143 lcd_show_board_info(); 1144 #endif /* CONFIG_LCD_INFO */ 1145 1146 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 1147 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); 1148 #else 1149 return (void *)lcd_base; 1150 #endif /* CONFIG_LCD_LOGO && !defined(CONFIG_LCD_INFO_BELOW_LOGO) */ 1151 } 1152 1153 #ifdef CONFIG_SPLASHIMAGE_GUARD 1154 static int on_splashimage(const char *name, const char *value, enum env_op op, 1155 int flags) 1156 { 1157 ulong addr; 1158 int aligned; 1159 1160 if (op == env_op_delete) 1161 return 0; 1162 1163 addr = simple_strtoul(value, NULL, 16); 1164 /* See README.displaying-bmps */ 1165 aligned = (addr % 4 == 2); 1166 if (!aligned) { 1167 printf("Invalid splashimage value. Value must be 16 bit aligned, but not 32 bit aligned\n"); 1168 return -1; 1169 } 1170 1171 return 0; 1172 } 1173 1174 U_BOOT_ENV_CALLBACK(splashimage, on_splashimage); 1175 #endif 1176 1177 void lcd_position_cursor(unsigned col, unsigned row) 1178 { 1179 console_col = min(col, CONSOLE_COLS - 1); 1180 console_row = min(row, CONSOLE_ROWS - 1); 1181 } 1182 1183 int lcd_get_pixel_width(void) 1184 { 1185 return panel_info.vl_col; 1186 } 1187 1188 int lcd_get_pixel_height(void) 1189 { 1190 return panel_info.vl_row; 1191 } 1192 1193 int lcd_get_screen_rows(void) 1194 { 1195 return CONSOLE_ROWS; 1196 } 1197 1198 int lcd_get_screen_columns(void) 1199 { 1200 return CONSOLE_COLS; 1201 } 1202 1203 #if defined(CONFIG_LCD_DT_SIMPLEFB) 1204 static int lcd_dt_simplefb_configure_node(void *blob, int off) 1205 { 1206 u32 stride; 1207 fdt32_t cells[2]; 1208 int ret; 1209 static const char format[] = 1210 #if LCD_BPP == LCD_COLOR16 1211 "r5g6b5"; 1212 #else 1213 ""; 1214 #endif 1215 1216 if (!format[0]) 1217 return -1; 1218 1219 stride = panel_info.vl_col * 2; 1220 1221 cells[0] = cpu_to_fdt32(gd->fb_base); 1222 cells[1] = cpu_to_fdt32(stride * panel_info.vl_row); 1223 ret = fdt_setprop(blob, off, "reg", cells, sizeof(cells[0]) * 2); 1224 if (ret < 0) 1225 return -1; 1226 1227 cells[0] = cpu_to_fdt32(panel_info.vl_col); 1228 ret = fdt_setprop(blob, off, "width", cells, sizeof(cells[0])); 1229 if (ret < 0) 1230 return -1; 1231 1232 cells[0] = cpu_to_fdt32(panel_info.vl_row); 1233 ret = fdt_setprop(blob, off, "height", cells, sizeof(cells[0])); 1234 if (ret < 0) 1235 return -1; 1236 1237 cells[0] = cpu_to_fdt32(stride); 1238 ret = fdt_setprop(blob, off, "stride", cells, sizeof(cells[0])); 1239 if (ret < 0) 1240 return -1; 1241 1242 ret = fdt_setprop(blob, off, "format", format, strlen(format) + 1); 1243 if (ret < 0) 1244 return -1; 1245 1246 ret = fdt_delprop(blob, off, "status"); 1247 if (ret < 0) 1248 return -1; 1249 1250 return 0; 1251 } 1252 1253 int lcd_dt_simplefb_add_node(void *blob) 1254 { 1255 static const char compat[] = "simple-framebuffer"; 1256 static const char disabled[] = "disabled"; 1257 int off, ret; 1258 1259 off = fdt_add_subnode(blob, 0, "framebuffer"); 1260 if (off < 0) 1261 return -1; 1262 1263 ret = fdt_setprop(blob, off, "status", disabled, sizeof(disabled)); 1264 if (ret < 0) 1265 return -1; 1266 1267 ret = fdt_setprop(blob, off, "compatible", compat, sizeof(compat)); 1268 if (ret < 0) 1269 return -1; 1270 1271 return lcd_dt_simplefb_configure_node(blob, off); 1272 } 1273 1274 int lcd_dt_simplefb_enable_existing_node(void *blob) 1275 { 1276 int off; 1277 1278 off = fdt_node_offset_by_compatible(blob, -1, "simple-framebuffer"); 1279 if (off < 0) 1280 return -1; 1281 1282 return lcd_dt_simplefb_configure_node(blob, off); 1283 } 1284 #endif 1285