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 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 /************************************************************************/ 27 /* ** HEADER FILES */ 28 /************************************************************************/ 29 30 /* #define DEBUG */ 31 32 #include <config.h> 33 #include <common.h> 34 #include <command.h> 35 #include <stdarg.h> 36 #include <linux/types.h> 37 #include <stdio_dev.h> 38 #if defined(CONFIG_POST) 39 #include <post.h> 40 #endif 41 #include <lcd.h> 42 #include <watchdog.h> 43 44 #if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \ 45 defined(CONFIG_CPU_MONAHANS) 46 #define CONFIG_CPU_PXA 47 #include <asm/byteorder.h> 48 #endif 49 50 #if defined(CONFIG_MPC823) 51 #include <lcdvideo.h> 52 #endif 53 54 #if defined(CONFIG_ATMEL_LCD) 55 #include <atmel_lcdc.h> 56 #endif 57 58 /************************************************************************/ 59 /* ** FONT DATA */ 60 /************************************************************************/ 61 #include <video_font.h> /* Get font data, width and height */ 62 #include <video_font_data.h> 63 64 /************************************************************************/ 65 /* ** LOGO DATA */ 66 /************************************************************************/ 67 #ifdef CONFIG_LCD_LOGO 68 # include <bmp_logo.h> /* Get logo data, width and height */ 69 # include <bmp_logo_data.h> 70 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) 71 # error Default Color Map overlaps with Logo Color Map 72 # endif 73 #endif 74 75 DECLARE_GLOBAL_DATA_PTR; 76 77 ulong lcd_setmem (ulong addr); 78 79 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count); 80 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s); 81 static inline void lcd_putc_xy(ushort x, ushort y, uchar c); 82 83 static int lcd_init(void *lcdbase); 84 85 static void *lcd_logo (void); 86 87 static int lcd_getbgcolor(void); 88 static void lcd_setfgcolor(int color); 89 static void lcd_setbgcolor(int color); 90 91 char lcd_is_enabled = 0; 92 93 #ifdef NOT_USED_SO_FAR 94 static void lcd_getcolreg(ushort regno, 95 ushort *red, ushort *green, ushort *blue); 96 static int lcd_getfgcolor(void); 97 #endif /* NOT_USED_SO_FAR */ 98 99 /************************************************************************/ 100 101 /*----------------------------------------------------------------------*/ 102 103 static void console_scrollup(void) 104 { 105 /* Copy up rows ignoring the first one */ 106 memcpy(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 107 108 /* Clear the last one */ 109 memset(CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 110 } 111 112 /*----------------------------------------------------------------------*/ 113 114 static inline void console_back(void) 115 { 116 if (--console_col < 0) { 117 console_col = CONSOLE_COLS-1 ; 118 if (--console_row < 0) { 119 console_row = 0; 120 } 121 } 122 123 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 124 console_row * VIDEO_FONT_HEIGHT, ' '); 125 } 126 127 /*----------------------------------------------------------------------*/ 128 129 static inline void console_newline(void) 130 { 131 ++console_row; 132 console_col = 0; 133 134 /* Check if we need to scroll the terminal */ 135 if (console_row >= CONSOLE_ROWS) { 136 /* Scroll everything up */ 137 console_scrollup(); 138 --console_row; 139 } 140 } 141 142 /*----------------------------------------------------------------------*/ 143 144 void lcd_putc(const char c) 145 { 146 if (!lcd_is_enabled) { 147 serial_putc(c); 148 149 return; 150 } 151 152 switch (c) { 153 case '\r': 154 console_col = 0; 155 156 return; 157 case '\n': 158 console_newline(); 159 160 return; 161 case '\t': /* Tab (8 chars alignment) */ 162 console_col += 8; 163 console_col &= ~7; 164 165 if (console_col >= CONSOLE_COLS) 166 console_newline(); 167 168 return; 169 case '\b': 170 console_back(); 171 172 return; 173 default: 174 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 175 console_row * VIDEO_FONT_HEIGHT, c); 176 if (++console_col >= CONSOLE_COLS) 177 console_newline(); 178 } 179 } 180 181 /*----------------------------------------------------------------------*/ 182 183 void lcd_puts(const char *s) 184 { 185 if (!lcd_is_enabled) { 186 serial_puts(s); 187 188 return; 189 } 190 191 while (*s) { 192 lcd_putc(*s++); 193 } 194 } 195 196 /*----------------------------------------------------------------------*/ 197 198 void lcd_printf(const char *fmt, ...) 199 { 200 va_list args; 201 char buf[CONFIG_SYS_PBSIZE]; 202 203 va_start(args, fmt); 204 vsprintf(buf, fmt, args); 205 va_end(args); 206 207 lcd_puts(buf); 208 } 209 210 /************************************************************************/ 211 /* ** Low-Level Graphics Routines */ 212 /************************************************************************/ 213 214 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count) 215 { 216 uchar *dest; 217 ushort row; 218 219 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 220 y += BMP_LOGO_HEIGHT; 221 #endif 222 223 #if LCD_BPP == LCD_MONOCHROME 224 ushort off = x * (1 << LCD_BPP) % 8; 225 #endif 226 227 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 228 229 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 230 uchar *s = str; 231 int i; 232 #if LCD_BPP == LCD_COLOR16 233 ushort *d = (ushort *)dest; 234 #else 235 uchar *d = dest; 236 #endif 237 238 #if LCD_BPP == LCD_MONOCHROME 239 uchar rest = *d & -(1 << (8-off)); 240 uchar sym; 241 #endif 242 for (i = 0; i < count; ++i) { 243 uchar c, bits; 244 245 c = *s++; 246 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 247 248 #if LCD_BPP == LCD_MONOCHROME 249 sym = (COLOR_MASK(lcd_color_fg) & bits) | 250 (COLOR_MASK(lcd_color_bg) & ~bits); 251 252 *d++ = rest | (sym >> off); 253 rest = sym << (8-off); 254 #elif LCD_BPP == LCD_COLOR8 255 for (c = 0; c < 8; ++c) { 256 *d++ = (bits & 0x80) ? 257 lcd_color_fg : lcd_color_bg; 258 bits <<= 1; 259 } 260 #elif LCD_BPP == LCD_COLOR16 261 for (c = 0; c < 8; ++c) { 262 *d++ = (bits & 0x80) ? 263 lcd_color_fg : lcd_color_bg; 264 bits <<= 1; 265 } 266 #endif 267 } 268 #if LCD_BPP == LCD_MONOCHROME 269 *d = rest | (*d & ((1 << (8-off)) - 1)); 270 #endif 271 } 272 } 273 274 /*----------------------------------------------------------------------*/ 275 276 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s) 277 { 278 lcd_drawchars(x, y, s, strlen((char *)s)); 279 } 280 281 /*----------------------------------------------------------------------*/ 282 283 static inline void lcd_putc_xy(ushort x, ushort y, uchar c) 284 { 285 lcd_drawchars(x, y, &c, 1); 286 } 287 288 /************************************************************************/ 289 /** Small utility to check that you got the colours right */ 290 /************************************************************************/ 291 #ifdef LCD_TEST_PATTERN 292 293 #define N_BLK_VERT 2 294 #define N_BLK_HOR 3 295 296 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 297 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 298 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 299 }; 300 301 static void test_pattern(void) 302 { 303 ushort v_max = panel_info.vl_row; 304 ushort h_max = panel_info.vl_col; 305 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 306 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 307 ushort v, h; 308 uchar *pix = (uchar *)lcd_base; 309 310 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", 311 h_max, v_max, h_step, v_step); 312 313 /* WARNING: Code silently assumes 8bit/pixel */ 314 for (v = 0; v < v_max; ++v) { 315 uchar iy = v / v_step; 316 for (h = 0; h < h_max; ++h) { 317 uchar ix = N_BLK_HOR * iy + (h/h_step); 318 *pix++ = test_colors[ix]; 319 } 320 } 321 } 322 #endif /* LCD_TEST_PATTERN */ 323 324 325 /************************************************************************/ 326 /* ** GENERIC Initialization Routines */ 327 /************************************************************************/ 328 329 int drv_lcd_init (void) 330 { 331 struct stdio_dev lcddev; 332 int rc; 333 334 lcd_base = (void *)(gd->fb_base); 335 336 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 337 338 lcd_init(lcd_base); /* LCD initialization */ 339 340 /* Device initialization */ 341 memset(&lcddev, 0, sizeof(lcddev)); 342 343 strcpy(lcddev.name, "lcd"); 344 lcddev.ext = 0; /* No extensions */ 345 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 346 lcddev.putc = lcd_putc; /* 'putc' function */ 347 lcddev.puts = lcd_puts; /* 'puts' function */ 348 349 rc = stdio_register (&lcddev); 350 351 return (rc == 0) ? 1 : rc; 352 } 353 354 /*----------------------------------------------------------------------*/ 355 static 356 int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 357 { 358 lcd_clear(); 359 return 0; 360 } 361 362 void lcd_clear(void) 363 { 364 #if LCD_BPP == LCD_MONOCHROME 365 /* Setting the palette */ 366 lcd_initcolregs(); 367 368 #elif LCD_BPP == LCD_COLOR8 369 /* Setting the palette */ 370 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 371 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 372 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 373 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 374 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 375 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 376 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 377 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 378 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 379 #endif 380 381 #ifndef CONFIG_SYS_WHITE_ON_BLACK 382 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 383 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 384 #else 385 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 386 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 387 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 388 389 #ifdef LCD_TEST_PATTERN 390 test_pattern(); 391 #else 392 /* set framebuffer to background color */ 393 memset((char *)lcd_base, 394 COLOR_MASK(lcd_getbgcolor()), 395 lcd_line_length*panel_info.vl_row); 396 #endif 397 /* Paint the logo and retrieve LCD base address */ 398 debug("[LCD] Drawing the logo...\n"); 399 lcd_console_address = lcd_logo (); 400 401 console_col = 0; 402 console_row = 0; 403 } 404 405 U_BOOT_CMD( 406 cls, 1, 1, do_lcd_clear, 407 "clear screen", 408 "" 409 ); 410 411 /*----------------------------------------------------------------------*/ 412 413 static int lcd_init(void *lcdbase) 414 { 415 /* Initialize the lcd controller */ 416 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 417 418 lcd_ctrl_init(lcdbase); 419 lcd_is_enabled = 1; 420 lcd_clear(); 421 lcd_enable (); 422 423 /* Initialize the console */ 424 console_col = 0; 425 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 426 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 427 #else 428 console_row = 1; /* leave 1 blank line below logo */ 429 #endif 430 431 return 0; 432 } 433 434 435 /************************************************************************/ 436 /* ** ROM capable initialization part - needed to reserve FB memory */ 437 /************************************************************************/ 438 /* 439 * This is called early in the system initialization to grab memory 440 * for the LCD controller. 441 * Returns new address for monitor, after reserving LCD buffer memory 442 * 443 * Note that this is running from ROM, so no write access to global data. 444 */ 445 ulong lcd_setmem(ulong addr) 446 { 447 ulong size; 448 int line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; 449 450 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 451 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 452 453 size = line_length * panel_info.vl_row; 454 455 /* Round up to nearest full page */ 456 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 457 458 /* Allocate pages for the frame buffer. */ 459 addr -= size; 460 461 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 462 463 return addr; 464 } 465 466 /*----------------------------------------------------------------------*/ 467 468 static void lcd_setfgcolor(int color) 469 { 470 lcd_color_fg = color; 471 } 472 473 /*----------------------------------------------------------------------*/ 474 475 static void lcd_setbgcolor(int color) 476 { 477 lcd_color_bg = color; 478 } 479 480 /*----------------------------------------------------------------------*/ 481 482 #ifdef NOT_USED_SO_FAR 483 static int lcd_getfgcolor(void) 484 { 485 return lcd_color_fg; 486 } 487 #endif /* NOT_USED_SO_FAR */ 488 489 /*----------------------------------------------------------------------*/ 490 491 static int lcd_getbgcolor(void) 492 { 493 return lcd_color_bg; 494 } 495 496 /*----------------------------------------------------------------------*/ 497 498 /************************************************************************/ 499 /* ** Chipset depending Bitmap / Logo stuff... */ 500 /************************************************************************/ 501 static inline ushort *configuration_get_cmap(void) 502 { 503 #if defined CONFIG_CPU_PXA 504 struct pxafb_info *fbi = &panel_info.pxa; 505 return (ushort *)fbi->palette; 506 #elif defined(CONFIG_MPC823) 507 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 508 cpm8xx_t *cp = &(immr->im_cpm); 509 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]); 510 #elif defined(CONFIG_ATMEL_LCD) 511 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0)); 512 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB) 513 return panel_info.cmap; 514 #else 515 #if defined(CONFIG_LCD_LOGO) 516 return bmp_logo_palette; 517 #else 518 return NULL; 519 #endif 520 #endif 521 } 522 523 #ifdef CONFIG_LCD_LOGO 524 void bitmap_plot(int x, int y) 525 { 526 #ifdef CONFIG_ATMEL_LCD 527 uint *cmap = (uint *)bmp_logo_palette; 528 #else 529 ushort *cmap = (ushort *)bmp_logo_palette; 530 #endif 531 ushort i, j; 532 uchar *bmap; 533 uchar *fb; 534 ushort *fb16; 535 #if defined(CONFIG_MPC823) 536 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 537 cpm8xx_t *cp = &(immr->im_cpm); 538 #endif 539 540 debug("Logo: width %d height %d colors %d cmap %d\n", 541 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 542 ARRAY_SIZE(bmp_logo_palette)); 543 544 bmap = &bmp_logo_bitmap[0]; 545 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 546 547 if (NBITS(panel_info.vl_bpix) < 12) { 548 /* Leave room for default color map 549 * default case: generic system with no cmap (most likely 16bpp) 550 * cmap was set to the source palette, so no change is done. 551 * This avoids even more ifdefs in the next stanza 552 */ 553 #if defined(CONFIG_MPC823) 554 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); 555 #elif defined(CONFIG_ATMEL_LCD) 556 cmap = (uint *)configuration_get_cmap(); 557 #else 558 cmap = configuration_get_cmap(); 559 #endif 560 561 WATCHDOG_RESET(); 562 563 /* Set color map */ 564 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { 565 ushort colreg = bmp_logo_palette[i]; 566 #ifdef CONFIG_ATMEL_LCD 567 uint lut_entry; 568 #ifdef CONFIG_ATMEL_LCD_BGR555 569 lut_entry = ((colreg & 0x000F) << 11) | 570 ((colreg & 0x00F0) << 2) | 571 ((colreg & 0x0F00) >> 7); 572 #else /* CONFIG_ATMEL_LCD_RGB565 */ 573 lut_entry = ((colreg & 0x000F) << 1) | 574 ((colreg & 0x00F0) << 3) | 575 ((colreg & 0x0F00) << 4); 576 #endif 577 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 578 cmap++; 579 #else /* !CONFIG_ATMEL_LCD */ 580 #ifdef CONFIG_SYS_INVERT_COLORS 581 *cmap++ = 0xffff - colreg; 582 #else 583 *cmap++ = colreg; 584 #endif 585 #endif /* CONFIG_ATMEL_LCD */ 586 } 587 588 WATCHDOG_RESET(); 589 590 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 591 memcpy(fb, bmap, BMP_LOGO_WIDTH); 592 bmap += BMP_LOGO_WIDTH; 593 fb += panel_info.vl_col; 594 } 595 } 596 else { /* true color mode */ 597 u16 col16; 598 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 599 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 600 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 601 col16 = bmp_logo_palette[(bmap[j]-16)]; 602 fb16[j] = 603 ((col16 & 0x000F) << 1) | 604 ((col16 & 0x00F0) << 3) | 605 ((col16 & 0x0F00) << 4); 606 } 607 bmap += BMP_LOGO_WIDTH; 608 fb16 += panel_info.vl_col; 609 } 610 } 611 612 WATCHDOG_RESET(); 613 } 614 #else 615 static inline void bitmap_plot(int x, int y) {} 616 #endif /* CONFIG_LCD_LOGO */ 617 618 /*----------------------------------------------------------------------*/ 619 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 620 /* 621 * Display the BMP file located at address bmp_image. 622 * Only uncompressed. 623 */ 624 625 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 626 #define BMP_ALIGN_CENTER 0x7FFF 627 628 static void splash_align_axis(int *axis, unsigned long panel_size, 629 unsigned long picture_size) 630 { 631 unsigned long panel_picture_delta = panel_size - picture_size; 632 unsigned long axis_alignment; 633 634 if (*axis == BMP_ALIGN_CENTER) 635 axis_alignment = panel_picture_delta / 2; 636 else if (*axis < 0) 637 axis_alignment = panel_picture_delta + *axis + 1; 638 else 639 return; 640 641 *axis = max(0, axis_alignment); 642 } 643 #endif 644 645 646 #ifdef CONFIG_LCD_BMP_RLE8 647 648 #define BMP_RLE8_ESCAPE 0 649 #define BMP_RLE8_EOL 0 650 #define BMP_RLE8_EOBMP 1 651 #define BMP_RLE8_DELTA 2 652 653 static void draw_unencoded_bitmap(ushort **fbp, uchar *bmap, ushort *cmap, 654 int cnt) 655 { 656 while (cnt > 0) { 657 *(*fbp)++ = cmap[*bmap++]; 658 cnt--; 659 } 660 } 661 662 static void draw_encoded_bitmap(ushort **fbp, ushort c, int cnt) 663 { 664 ushort *fb = *fbp; 665 int cnt_8copy = cnt >> 3; 666 667 cnt -= cnt_8copy << 3; 668 while (cnt_8copy > 0) { 669 *fb++ = c; 670 *fb++ = c; 671 *fb++ = c; 672 *fb++ = c; 673 *fb++ = c; 674 *fb++ = c; 675 *fb++ = c; 676 *fb++ = c; 677 cnt_8copy--; 678 } 679 while (cnt > 0) { 680 *fb++ = c; 681 cnt--; 682 } 683 (*fbp) = fb; 684 } 685 686 /* 687 * Do not call this function directly, must be called from 688 * lcd_display_bitmap. 689 */ 690 static void lcd_display_rle8_bitmap(bmp_image_t *bmp, ushort *cmap, uchar *fb, 691 int x_off, int y_off) 692 { 693 uchar *bmap; 694 ulong width, height; 695 ulong cnt, runlen; 696 int x, y; 697 int decode = 1; 698 699 width = le32_to_cpu(bmp->header.width); 700 height = le32_to_cpu(bmp->header.height); 701 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); 702 703 x = 0; 704 y = height - 1; 705 706 while (decode) { 707 if (bmap[0] == BMP_RLE8_ESCAPE) { 708 switch (bmap[1]) { 709 case BMP_RLE8_EOL: 710 /* end of line */ 711 bmap += 2; 712 x = 0; 713 y--; 714 /* 16bpix, 2-byte per pixel, width should *2 */ 715 fb -= (width * 2 + lcd_line_length); 716 break; 717 case BMP_RLE8_EOBMP: 718 /* end of bitmap */ 719 decode = 0; 720 break; 721 case BMP_RLE8_DELTA: 722 /* delta run */ 723 x += bmap[2]; 724 y -= bmap[3]; 725 /* 16bpix, 2-byte per pixel, x should *2 */ 726 fb = (uchar *) (lcd_base + (y + y_off - 1) 727 * lcd_line_length + (x + x_off) * 2); 728 bmap += 4; 729 break; 730 default: 731 /* unencoded run */ 732 runlen = bmap[1]; 733 bmap += 2; 734 if (y < height) { 735 if (x < width) { 736 if (x + runlen > width) 737 cnt = width - x; 738 else 739 cnt = runlen; 740 draw_unencoded_bitmap( 741 (ushort **)&fb, 742 bmap, cmap, cnt); 743 } 744 x += runlen; 745 } 746 bmap += runlen; 747 if (runlen & 1) 748 bmap++; 749 } 750 } else { 751 /* encoded run */ 752 if (y < height) { 753 runlen = bmap[0]; 754 if (x < width) { 755 /* aggregate the same code */ 756 while (bmap[0] == 0xff && 757 bmap[2] != BMP_RLE8_ESCAPE && 758 bmap[1] == bmap[3]) { 759 runlen += bmap[2]; 760 bmap += 2; 761 } 762 if (x + runlen > width) 763 cnt = width - x; 764 else 765 cnt = runlen; 766 draw_encoded_bitmap((ushort **)&fb, 767 cmap[bmap[1]], cnt); 768 } 769 x += runlen; 770 } 771 bmap += 2; 772 } 773 } 774 } 775 #endif 776 777 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 778 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++) 779 #else 780 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++ 781 #endif 782 783 #if defined(CONFIG_BMP_16BPP) 784 #if defined(CONFIG_ATMEL_LCD_BGR555) 785 static inline void fb_put_word(uchar **fb, uchar **from) 786 { 787 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03); 788 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2); 789 *from += 2; 790 } 791 #else 792 static inline void fb_put_word(uchar **fb, uchar **from) 793 { 794 *(*fb)++ = *(*from)++; 795 *(*fb)++ = *(*from)++; 796 } 797 #endif 798 #endif /* CONFIG_BMP_16BPP */ 799 800 int lcd_display_bitmap(ulong bmp_image, int x, int y) 801 { 802 #if !defined(CONFIG_MCC200) 803 ushort *cmap = NULL; 804 #endif 805 ushort *cmap_base = NULL; 806 ushort i, j; 807 uchar *fb; 808 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 809 uchar *bmap; 810 ushort padded_width; 811 unsigned long width, height, byte_width; 812 unsigned long pwidth = panel_info.vl_col; 813 unsigned colors, bpix, bmp_bpix; 814 815 if (!bmp || !((bmp->header.signature[0] == 'B') && 816 (bmp->header.signature[1] == 'M'))) { 817 printf("Error: no valid bmp image at %lx\n", bmp_image); 818 819 return 1; 820 } 821 822 width = le32_to_cpu(bmp->header.width); 823 height = le32_to_cpu(bmp->header.height); 824 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 825 colors = 1 << bmp_bpix; 826 827 bpix = NBITS(panel_info.vl_bpix); 828 829 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) { 830 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 831 bpix, bmp_bpix); 832 833 return 1; 834 } 835 836 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 837 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) { 838 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 839 bpix, 840 le16_to_cpu(bmp->header.bit_count)); 841 842 return 1; 843 } 844 845 debug("Display-bmp: %d x %d with %d colors\n", 846 (int)width, (int)height, (int)colors); 847 848 #if !defined(CONFIG_MCC200) 849 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 850 if (bmp_bpix == 8) { 851 cmap = configuration_get_cmap(); 852 cmap_base = cmap; 853 854 /* Set color map */ 855 for (i = 0; i < colors; ++i) { 856 bmp_color_table_entry_t cte = bmp->color_table[i]; 857 #if !defined(CONFIG_ATMEL_LCD) 858 ushort colreg = 859 ( ((cte.red) << 8) & 0xf800) | 860 ( ((cte.green) << 3) & 0x07e0) | 861 ( ((cte.blue) >> 3) & 0x001f) ; 862 #ifdef CONFIG_SYS_INVERT_COLORS 863 *cmap = 0xffff - colreg; 864 #else 865 *cmap = colreg; 866 #endif 867 #if defined(CONFIG_MPC823) 868 cmap--; 869 #else 870 cmap++; 871 #endif 872 #else /* CONFIG_ATMEL_LCD */ 873 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 874 #endif 875 } 876 } 877 #endif 878 879 /* 880 * BMP format for Monochrome assumes that the state of a 881 * pixel is described on a per Bit basis, not per Byte. 882 * So, in case of Monochrome BMP we should align widths 883 * on a byte boundary and convert them from Bit to Byte 884 * units. 885 * Probably, PXA250 and MPC823 process 1bpp BMP images in 886 * their own ways, so make the converting to be MCC200 887 * specific. 888 */ 889 #if defined(CONFIG_MCC200) 890 if (bpix == 1) { 891 width = ((width + 7) & ~7) >> 3; 892 x = ((x + 7) & ~7) >> 3; 893 pwidth= ((pwidth + 7) & ~7) >> 3; 894 } 895 #endif 896 897 padded_width = (width&0x3) ? ((width&~0x3)+4) : (width); 898 899 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 900 splash_align_axis(&x, pwidth, width); 901 splash_align_axis(&y, panel_info.vl_row, height); 902 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 903 904 if ((x + width) > pwidth) 905 width = pwidth - x; 906 if ((y + height) > panel_info.vl_row) 907 height = panel_info.vl_row - y; 908 909 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); 910 fb = (uchar *) (lcd_base + 911 (y + height - 1) * lcd_line_length + x * bpix / 8); 912 913 switch (bmp_bpix) { 914 case 1: /* pass through */ 915 case 8: 916 #ifdef CONFIG_LCD_BMP_RLE8 917 if (le32_to_cpu(bmp->header.compression) == BMP_BI_RLE8) { 918 if (bpix != 16) { 919 /* TODO implement render code for bpix != 16 */ 920 printf("Error: only support 16 bpix"); 921 return 1; 922 } 923 lcd_display_rle8_bitmap(bmp, cmap_base, fb, x, y); 924 break; 925 } 926 #endif 927 928 if (bpix != 16) 929 byte_width = width; 930 else 931 byte_width = width * 2; 932 933 for (i = 0; i < height; ++i) { 934 WATCHDOG_RESET(); 935 for (j = 0; j < width; j++) { 936 if (bpix != 16) { 937 FB_PUT_BYTE(fb, bmap); 938 } else { 939 *(uint16_t *)fb = cmap_base[*(bmap++)]; 940 fb += sizeof(uint16_t) / sizeof(*fb); 941 } 942 } 943 bmap += (padded_width - width); 944 fb -= (byte_width + lcd_line_length); 945 } 946 break; 947 948 #if defined(CONFIG_BMP_16BPP) 949 case 16: 950 for (i = 0; i < height; ++i) { 951 WATCHDOG_RESET(); 952 for (j = 0; j < width; j++) 953 fb_put_word(&fb, &bmap); 954 955 bmap += (padded_width - width) * 2; 956 fb -= (width * 2 + lcd_line_length); 957 } 958 break; 959 #endif /* CONFIG_BMP_16BPP */ 960 961 #if defined(CONFIG_BMP_32BPP) 962 case 32: 963 for (i = 0; i < height; ++i) { 964 for (j = 0; j < width; j++) { 965 *(fb++) = *(bmap++); 966 *(fb++) = *(bmap++); 967 *(fb++) = *(bmap++); 968 *(fb++) = *(bmap++); 969 } 970 fb -= (lcd_line_length + width * (bpix / 8)); 971 } 972 break; 973 #endif /* CONFIG_BMP_32BPP */ 974 default: 975 break; 976 }; 977 978 return 0; 979 } 980 #endif 981 982 static void *lcd_logo(void) 983 { 984 #ifdef CONFIG_SPLASH_SCREEN 985 char *s; 986 ulong addr; 987 static int do_splash = 1; 988 989 if (do_splash && (s = getenv("splashimage")) != NULL) { 990 int x = 0, y = 0; 991 do_splash = 0; 992 993 addr = simple_strtoul (s, NULL, 16); 994 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 995 s = getenv("splashpos"); 996 if (s != NULL) { 997 if (s[0] == 'm') 998 x = BMP_ALIGN_CENTER; 999 else 1000 x = simple_strtol(s, NULL, 0); 1001 1002 s = strchr(s + 1, ','); 1003 if (s != NULL) { 1004 if (s[1] == 'm') 1005 y = BMP_ALIGN_CENTER; 1006 else 1007 y = simple_strtol (s + 1, NULL, 0); 1008 } 1009 } 1010 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 1011 1012 if (bmp_display(addr, x, y) == 0) 1013 return (void *)lcd_base; 1014 } 1015 #endif /* CONFIG_SPLASH_SCREEN */ 1016 1017 bitmap_plot(0, 0); 1018 1019 #ifdef CONFIG_LCD_INFO 1020 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 1021 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 1022 lcd_show_board_info(); 1023 #endif /* CONFIG_LCD_INFO */ 1024 1025 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 1026 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); 1027 #else 1028 return (void *)lcd_base; 1029 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 1030 } 1031 1032 void lcd_position_cursor(unsigned col, unsigned row) 1033 { 1034 console_col = min(col, CONSOLE_COLS - 1); 1035 console_row = min(row, CONSOLE_ROWS - 1); 1036 } 1037 1038 int lcd_get_pixel_width(void) 1039 { 1040 return panel_info.vl_col; 1041 } 1042 1043 int lcd_get_pixel_height(void) 1044 { 1045 return panel_info.vl_row; 1046 } 1047 1048 int lcd_get_screen_rows(void) 1049 { 1050 return CONSOLE_ROWS; 1051 } 1052 1053 int lcd_get_screen_columns(void) 1054 { 1055 return CONSOLE_COLS; 1056 } 1057 1058 /************************************************************************/ 1059 /************************************************************************/ 1060