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 #ifndef CONFIG_LCD_ALIGNMENT 76 #define CONFIG_LCD_ALIGNMENT PAGE_SIZE 77 #endif 78 79 DECLARE_GLOBAL_DATA_PTR; 80 81 ulong lcd_setmem (ulong addr); 82 83 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count); 84 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s); 85 static inline void lcd_putc_xy(ushort x, ushort y, uchar c); 86 87 static int lcd_init(void *lcdbase); 88 89 static void *lcd_logo (void); 90 91 static int lcd_getbgcolor(void); 92 static void lcd_setfgcolor(int color); 93 static void lcd_setbgcolor(int color); 94 95 char lcd_is_enabled = 0; 96 97 #ifdef NOT_USED_SO_FAR 98 static void lcd_getcolreg(ushort regno, 99 ushort *red, ushort *green, ushort *blue); 100 static int lcd_getfgcolor(void); 101 #endif /* NOT_USED_SO_FAR */ 102 103 /************************************************************************/ 104 105 /*----------------------------------------------------------------------*/ 106 107 static void console_scrollup(void) 108 { 109 /* Copy up rows ignoring the first one */ 110 memcpy(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 111 112 /* Clear the last one */ 113 memset(CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 114 } 115 116 /*----------------------------------------------------------------------*/ 117 118 static inline void console_back(void) 119 { 120 if (--console_col < 0) { 121 console_col = CONSOLE_COLS-1 ; 122 if (--console_row < 0) { 123 console_row = 0; 124 } 125 } 126 127 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 128 console_row * VIDEO_FONT_HEIGHT, ' '); 129 } 130 131 /*----------------------------------------------------------------------*/ 132 133 static inline void console_newline(void) 134 { 135 ++console_row; 136 console_col = 0; 137 138 /* Check if we need to scroll the terminal */ 139 if (console_row >= CONSOLE_ROWS) { 140 /* Scroll everything up */ 141 console_scrollup(); 142 --console_row; 143 } 144 } 145 146 /*----------------------------------------------------------------------*/ 147 148 void lcd_putc(const char c) 149 { 150 if (!lcd_is_enabled) { 151 serial_putc(c); 152 153 return; 154 } 155 156 switch (c) { 157 case '\r': 158 console_col = 0; 159 160 return; 161 case '\n': 162 console_newline(); 163 164 return; 165 case '\t': /* Tab (8 chars alignment) */ 166 console_col += 8; 167 console_col &= ~7; 168 169 if (console_col >= CONSOLE_COLS) 170 console_newline(); 171 172 return; 173 case '\b': 174 console_back(); 175 176 return; 177 default: 178 lcd_putc_xy(console_col * VIDEO_FONT_WIDTH, 179 console_row * VIDEO_FONT_HEIGHT, c); 180 if (++console_col >= CONSOLE_COLS) 181 console_newline(); 182 } 183 } 184 185 /*----------------------------------------------------------------------*/ 186 187 void lcd_puts(const char *s) 188 { 189 if (!lcd_is_enabled) { 190 serial_puts(s); 191 192 return; 193 } 194 195 while (*s) { 196 lcd_putc(*s++); 197 } 198 } 199 200 /*----------------------------------------------------------------------*/ 201 202 void lcd_printf(const char *fmt, ...) 203 { 204 va_list args; 205 char buf[CONFIG_SYS_PBSIZE]; 206 207 va_start(args, fmt); 208 vsprintf(buf, fmt, args); 209 va_end(args); 210 211 lcd_puts(buf); 212 } 213 214 /************************************************************************/ 215 /* ** Low-Level Graphics Routines */ 216 /************************************************************************/ 217 218 static void lcd_drawchars(ushort x, ushort y, uchar *str, int count) 219 { 220 uchar *dest; 221 ushort row; 222 223 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 224 y += BMP_LOGO_HEIGHT; 225 #endif 226 227 #if LCD_BPP == LCD_MONOCHROME 228 ushort off = x * (1 << LCD_BPP) % 8; 229 #endif 230 231 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 232 233 for (row = 0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 234 uchar *s = str; 235 int i; 236 #if LCD_BPP == LCD_COLOR16 237 ushort *d = (ushort *)dest; 238 #else 239 uchar *d = dest; 240 #endif 241 242 #if LCD_BPP == LCD_MONOCHROME 243 uchar rest = *d & -(1 << (8-off)); 244 uchar sym; 245 #endif 246 for (i = 0; i < count; ++i) { 247 uchar c, bits; 248 249 c = *s++; 250 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 251 252 #if LCD_BPP == LCD_MONOCHROME 253 sym = (COLOR_MASK(lcd_color_fg) & bits) | 254 (COLOR_MASK(lcd_color_bg) & ~bits); 255 256 *d++ = rest | (sym >> off); 257 rest = sym << (8-off); 258 #elif LCD_BPP == LCD_COLOR8 259 for (c = 0; c < 8; ++c) { 260 *d++ = (bits & 0x80) ? 261 lcd_color_fg : lcd_color_bg; 262 bits <<= 1; 263 } 264 #elif LCD_BPP == LCD_COLOR16 265 for (c = 0; c < 8; ++c) { 266 *d++ = (bits & 0x80) ? 267 lcd_color_fg : lcd_color_bg; 268 bits <<= 1; 269 } 270 #endif 271 } 272 #if LCD_BPP == LCD_MONOCHROME 273 *d = rest | (*d & ((1 << (8-off)) - 1)); 274 #endif 275 } 276 } 277 278 /*----------------------------------------------------------------------*/ 279 280 static inline void lcd_puts_xy(ushort x, ushort y, uchar *s) 281 { 282 lcd_drawchars(x, y, s, strlen((char *)s)); 283 } 284 285 /*----------------------------------------------------------------------*/ 286 287 static inline void lcd_putc_xy(ushort x, ushort y, uchar c) 288 { 289 lcd_drawchars(x, y, &c, 1); 290 } 291 292 /************************************************************************/ 293 /** Small utility to check that you got the colours right */ 294 /************************************************************************/ 295 #ifdef LCD_TEST_PATTERN 296 297 #define N_BLK_VERT 2 298 #define N_BLK_HOR 3 299 300 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 301 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 302 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 303 }; 304 305 static void test_pattern(void) 306 { 307 ushort v_max = panel_info.vl_row; 308 ushort h_max = panel_info.vl_col; 309 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 310 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 311 ushort v, h; 312 uchar *pix = (uchar *)lcd_base; 313 314 printf("[LCD] Test Pattern: %d x %d [%d x %d]\n", 315 h_max, v_max, h_step, v_step); 316 317 /* WARNING: Code silently assumes 8bit/pixel */ 318 for (v = 0; v < v_max; ++v) { 319 uchar iy = v / v_step; 320 for (h = 0; h < h_max; ++h) { 321 uchar ix = N_BLK_HOR * iy + (h/h_step); 322 *pix++ = test_colors[ix]; 323 } 324 } 325 } 326 #endif /* LCD_TEST_PATTERN */ 327 328 329 /************************************************************************/ 330 /* ** GENERIC Initialization Routines */ 331 /************************************************************************/ 332 333 int lcd_get_size(int *line_length) 334 { 335 *line_length = (panel_info.vl_col * NBITS(panel_info.vl_bpix)) / 8; 336 return *line_length * panel_info.vl_row; 337 } 338 339 int drv_lcd_init (void) 340 { 341 struct stdio_dev lcddev; 342 int rc; 343 344 lcd_base = (void *)(gd->fb_base); 345 346 lcd_get_size(&lcd_line_length); 347 348 lcd_init(lcd_base); /* LCD initialization */ 349 350 /* Device initialization */ 351 memset(&lcddev, 0, sizeof(lcddev)); 352 353 strcpy(lcddev.name, "lcd"); 354 lcddev.ext = 0; /* No extensions */ 355 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 356 lcddev.putc = lcd_putc; /* 'putc' function */ 357 lcddev.puts = lcd_puts; /* 'puts' function */ 358 359 rc = stdio_register (&lcddev); 360 361 return (rc == 0) ? 1 : rc; 362 } 363 364 /*----------------------------------------------------------------------*/ 365 static 366 int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 367 { 368 lcd_clear(); 369 return 0; 370 } 371 372 void lcd_clear(void) 373 { 374 #if LCD_BPP == LCD_MONOCHROME 375 /* Setting the palette */ 376 lcd_initcolregs(); 377 378 #elif LCD_BPP == LCD_COLOR8 379 /* Setting the palette */ 380 lcd_setcolreg(CONSOLE_COLOR_BLACK, 0, 0, 0); 381 lcd_setcolreg(CONSOLE_COLOR_RED, 0xFF, 0, 0); 382 lcd_setcolreg(CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 383 lcd_setcolreg(CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 384 lcd_setcolreg(CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 385 lcd_setcolreg(CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 386 lcd_setcolreg(CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 387 lcd_setcolreg(CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 388 lcd_setcolreg(CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 389 #endif 390 391 #ifndef CONFIG_SYS_WHITE_ON_BLACK 392 lcd_setfgcolor(CONSOLE_COLOR_BLACK); 393 lcd_setbgcolor(CONSOLE_COLOR_WHITE); 394 #else 395 lcd_setfgcolor(CONSOLE_COLOR_WHITE); 396 lcd_setbgcolor(CONSOLE_COLOR_BLACK); 397 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 398 399 #ifdef LCD_TEST_PATTERN 400 test_pattern(); 401 #else 402 /* set framebuffer to background color */ 403 memset((char *)lcd_base, 404 COLOR_MASK(lcd_getbgcolor()), 405 lcd_line_length*panel_info.vl_row); 406 #endif 407 /* Paint the logo and retrieve LCD base address */ 408 debug("[LCD] Drawing the logo...\n"); 409 lcd_console_address = lcd_logo (); 410 411 console_col = 0; 412 console_row = 0; 413 } 414 415 U_BOOT_CMD( 416 cls, 1, 1, do_lcd_clear, 417 "clear screen", 418 "" 419 ); 420 421 /*----------------------------------------------------------------------*/ 422 423 static int lcd_init(void *lcdbase) 424 { 425 /* Initialize the lcd controller */ 426 debug("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 427 428 lcd_ctrl_init(lcdbase); 429 lcd_is_enabled = 1; 430 lcd_clear(); 431 lcd_enable (); 432 433 /* Initialize the console */ 434 console_col = 0; 435 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 436 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 437 #else 438 console_row = 1; /* leave 1 blank line below logo */ 439 #endif 440 441 return 0; 442 } 443 444 445 /************************************************************************/ 446 /* ** ROM capable initialization part - needed to reserve FB memory */ 447 /************************************************************************/ 448 /* 449 * This is called early in the system initialization to grab memory 450 * for the LCD controller. 451 * Returns new address for monitor, after reserving LCD buffer memory 452 * 453 * Note that this is running from ROM, so no write access to global data. 454 */ 455 ulong lcd_setmem(ulong addr) 456 { 457 ulong size; 458 int line_length; 459 460 debug("LCD panel info: %d x %d, %d bit/pix\n", panel_info.vl_col, 461 panel_info.vl_row, NBITS(panel_info.vl_bpix)); 462 463 size = lcd_get_size(&line_length); 464 465 /* Round up to nearest full page, or MMU section if defined */ 466 size = ALIGN(size, CONFIG_LCD_ALIGNMENT); 467 addr = ALIGN(addr - CONFIG_LCD_ALIGNMENT + 1, CONFIG_LCD_ALIGNMENT); 468 469 /* Allocate pages for the frame buffer. */ 470 addr -= size; 471 472 debug("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 473 474 return addr; 475 } 476 477 /*----------------------------------------------------------------------*/ 478 479 static void lcd_setfgcolor(int color) 480 { 481 lcd_color_fg = color; 482 } 483 484 /*----------------------------------------------------------------------*/ 485 486 static void lcd_setbgcolor(int color) 487 { 488 lcd_color_bg = color; 489 } 490 491 /*----------------------------------------------------------------------*/ 492 493 #ifdef NOT_USED_SO_FAR 494 static int lcd_getfgcolor(void) 495 { 496 return lcd_color_fg; 497 } 498 #endif /* NOT_USED_SO_FAR */ 499 500 /*----------------------------------------------------------------------*/ 501 502 static int lcd_getbgcolor(void) 503 { 504 return lcd_color_bg; 505 } 506 507 /*----------------------------------------------------------------------*/ 508 509 /************************************************************************/ 510 /* ** Chipset depending Bitmap / Logo stuff... */ 511 /************************************************************************/ 512 static inline ushort *configuration_get_cmap(void) 513 { 514 #if defined CONFIG_CPU_PXA 515 struct pxafb_info *fbi = &panel_info.pxa; 516 return (ushort *)fbi->palette; 517 #elif defined(CONFIG_MPC823) 518 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 519 cpm8xx_t *cp = &(immr->im_cpm); 520 return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]); 521 #elif defined(CONFIG_ATMEL_LCD) 522 return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0)); 523 #elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB) 524 return panel_info.cmap; 525 #else 526 #if defined(CONFIG_LCD_LOGO) 527 return bmp_logo_palette; 528 #else 529 return NULL; 530 #endif 531 #endif 532 } 533 534 #ifdef CONFIG_LCD_LOGO 535 void bitmap_plot(int x, int y) 536 { 537 #ifdef CONFIG_ATMEL_LCD 538 uint *cmap = (uint *)bmp_logo_palette; 539 #else 540 ushort *cmap = (ushort *)bmp_logo_palette; 541 #endif 542 ushort i, j; 543 uchar *bmap; 544 uchar *fb; 545 ushort *fb16; 546 #if defined(CONFIG_MPC823) 547 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 548 cpm8xx_t *cp = &(immr->im_cpm); 549 #endif 550 551 debug("Logo: width %d height %d colors %d cmap %d\n", 552 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 553 ARRAY_SIZE(bmp_logo_palette)); 554 555 bmap = &bmp_logo_bitmap[0]; 556 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 557 558 if (NBITS(panel_info.vl_bpix) < 12) { 559 /* Leave room for default color map 560 * default case: generic system with no cmap (most likely 16bpp) 561 * cmap was set to the source palette, so no change is done. 562 * This avoids even more ifdefs in the next stanza 563 */ 564 #if defined(CONFIG_MPC823) 565 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); 566 #elif defined(CONFIG_ATMEL_LCD) 567 cmap = (uint *)configuration_get_cmap(); 568 #else 569 cmap = configuration_get_cmap(); 570 #endif 571 572 WATCHDOG_RESET(); 573 574 /* Set color map */ 575 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { 576 ushort colreg = bmp_logo_palette[i]; 577 #ifdef CONFIG_ATMEL_LCD 578 uint lut_entry; 579 #ifdef CONFIG_ATMEL_LCD_BGR555 580 lut_entry = ((colreg & 0x000F) << 11) | 581 ((colreg & 0x00F0) << 2) | 582 ((colreg & 0x0F00) >> 7); 583 #else /* CONFIG_ATMEL_LCD_RGB565 */ 584 lut_entry = ((colreg & 0x000F) << 1) | 585 ((colreg & 0x00F0) << 3) | 586 ((colreg & 0x0F00) << 4); 587 #endif 588 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 589 cmap++; 590 #else /* !CONFIG_ATMEL_LCD */ 591 #ifdef CONFIG_SYS_INVERT_COLORS 592 *cmap++ = 0xffff - colreg; 593 #else 594 *cmap++ = colreg; 595 #endif 596 #endif /* CONFIG_ATMEL_LCD */ 597 } 598 599 WATCHDOG_RESET(); 600 601 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 602 memcpy(fb, bmap, BMP_LOGO_WIDTH); 603 bmap += BMP_LOGO_WIDTH; 604 fb += panel_info.vl_col; 605 } 606 } 607 else { /* true color mode */ 608 u16 col16; 609 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 610 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 611 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 612 col16 = bmp_logo_palette[(bmap[j]-16)]; 613 fb16[j] = 614 ((col16 & 0x000F) << 1) | 615 ((col16 & 0x00F0) << 3) | 616 ((col16 & 0x0F00) << 4); 617 } 618 bmap += BMP_LOGO_WIDTH; 619 fb16 += panel_info.vl_col; 620 } 621 } 622 623 WATCHDOG_RESET(); 624 } 625 #else 626 static inline void bitmap_plot(int x, int y) {} 627 #endif /* CONFIG_LCD_LOGO */ 628 629 /*----------------------------------------------------------------------*/ 630 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 631 /* 632 * Display the BMP file located at address bmp_image. 633 * Only uncompressed. 634 */ 635 636 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 637 #define BMP_ALIGN_CENTER 0x7FFF 638 639 static void splash_align_axis(int *axis, unsigned long panel_size, 640 unsigned long picture_size) 641 { 642 unsigned long panel_picture_delta = panel_size - picture_size; 643 unsigned long axis_alignment; 644 645 if (*axis == BMP_ALIGN_CENTER) 646 axis_alignment = panel_picture_delta / 2; 647 else if (*axis < 0) 648 axis_alignment = panel_picture_delta + *axis + 1; 649 else 650 return; 651 652 *axis = max(0, axis_alignment); 653 } 654 #endif 655 656 #if defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 657 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++) 658 #else 659 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++ 660 #endif 661 662 #if defined(CONFIG_BMP_16BPP) 663 #if defined(CONFIG_ATMEL_LCD_BGR555) 664 static inline void fb_put_word(uchar **fb, uchar **from) 665 { 666 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03); 667 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2); 668 *from += 2; 669 } 670 #else 671 static inline void fb_put_word(uchar **fb, uchar **from) 672 { 673 *(*fb)++ = *(*from)++; 674 *(*fb)++ = *(*from)++; 675 } 676 #endif 677 #endif /* CONFIG_BMP_16BPP */ 678 679 int lcd_display_bitmap(ulong bmp_image, int x, int y) 680 { 681 #if !defined(CONFIG_MCC200) 682 ushort *cmap = NULL; 683 #endif 684 ushort *cmap_base = NULL; 685 ushort i, j; 686 uchar *fb; 687 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 688 uchar *bmap; 689 ushort padded_line; 690 unsigned long width, height, byte_width; 691 unsigned long pwidth = panel_info.vl_col; 692 unsigned colors, bpix, bmp_bpix; 693 694 if (!bmp || !((bmp->header.signature[0] == 'B') && 695 (bmp->header.signature[1] == 'M'))) { 696 printf("Error: no valid bmp image at %lx\n", bmp_image); 697 698 return 1; 699 } 700 701 width = le32_to_cpu(bmp->header.width); 702 height = le32_to_cpu(bmp->header.height); 703 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 704 colors = 1 << bmp_bpix; 705 706 bpix = NBITS(panel_info.vl_bpix); 707 708 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) { 709 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 710 bpix, bmp_bpix); 711 712 return 1; 713 } 714 715 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 716 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) { 717 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 718 bpix, 719 le16_to_cpu(bmp->header.bit_count)); 720 721 return 1; 722 } 723 724 debug("Display-bmp: %d x %d with %d colors\n", 725 (int)width, (int)height, (int)colors); 726 727 #if !defined(CONFIG_MCC200) 728 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 729 if (bmp_bpix == 8) { 730 cmap = configuration_get_cmap(); 731 cmap_base = cmap; 732 733 /* Set color map */ 734 for (i = 0; i < colors; ++i) { 735 bmp_color_table_entry_t cte = bmp->color_table[i]; 736 #if !defined(CONFIG_ATMEL_LCD) 737 ushort colreg = 738 ( ((cte.red) << 8) & 0xf800) | 739 ( ((cte.green) << 3) & 0x07e0) | 740 ( ((cte.blue) >> 3) & 0x001f) ; 741 #ifdef CONFIG_SYS_INVERT_COLORS 742 *cmap = 0xffff - colreg; 743 #else 744 *cmap = colreg; 745 #endif 746 #if defined(CONFIG_MPC823) 747 cmap--; 748 #else 749 cmap++; 750 #endif 751 #else /* CONFIG_ATMEL_LCD */ 752 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 753 #endif 754 } 755 } 756 #endif 757 758 /* 759 * BMP format for Monochrome assumes that the state of a 760 * pixel is described on a per Bit basis, not per Byte. 761 * So, in case of Monochrome BMP we should align widths 762 * on a byte boundary and convert them from Bit to Byte 763 * units. 764 * Probably, PXA250 and MPC823 process 1bpp BMP images in 765 * their own ways, so make the converting to be MCC200 766 * specific. 767 */ 768 #if defined(CONFIG_MCC200) 769 if (bpix == 1) { 770 width = ((width + 7) & ~7) >> 3; 771 x = ((x + 7) & ~7) >> 3; 772 pwidth= ((pwidth + 7) & ~7) >> 3; 773 } 774 #endif 775 776 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 777 778 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 779 splash_align_axis(&x, pwidth, width); 780 splash_align_axis(&y, panel_info.vl_row, height); 781 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 782 783 if ((x + width) > pwidth) 784 width = pwidth - x; 785 if ((y + height) > panel_info.vl_row) 786 height = panel_info.vl_row - y; 787 788 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); 789 fb = (uchar *) (lcd_base + 790 (y + height - 1) * lcd_line_length + x * bpix / 8); 791 792 switch (bmp_bpix) { 793 case 1: /* pass through */ 794 case 8: 795 if (bpix != 16) 796 byte_width = width; 797 else 798 byte_width = width * 2; 799 800 for (i = 0; i < height; ++i) { 801 WATCHDOG_RESET(); 802 for (j = 0; j < width; j++) { 803 if (bpix != 16) { 804 FB_PUT_BYTE(fb, bmap); 805 } else { 806 *(uint16_t *)fb = cmap_base[*(bmap++)]; 807 fb += sizeof(uint16_t) / sizeof(*fb); 808 } 809 } 810 bmap += (width - padded_line); 811 fb -= (byte_width + lcd_line_length); 812 } 813 break; 814 815 #if defined(CONFIG_BMP_16BPP) 816 case 16: 817 for (i = 0; i < height; ++i) { 818 WATCHDOG_RESET(); 819 for (j = 0; j < width; j++) 820 fb_put_word(&fb, &bmap); 821 822 bmap += (padded_line - width) * 2; 823 fb -= (width * 2 + lcd_line_length); 824 } 825 break; 826 #endif /* CONFIG_BMP_16BPP */ 827 828 #if defined(CONFIG_BMP_32BPP) 829 case 32: 830 for (i = 0; i < height; ++i) { 831 for (j = 0; j < width; j++) { 832 *(fb++) = *(bmap++); 833 *(fb++) = *(bmap++); 834 *(fb++) = *(bmap++); 835 *(fb++) = *(bmap++); 836 } 837 fb -= (lcd_line_length + width * (bpix / 8)); 838 } 839 break; 840 #endif /* CONFIG_BMP_32BPP */ 841 default: 842 break; 843 }; 844 845 return 0; 846 } 847 #endif 848 849 static void *lcd_logo(void) 850 { 851 #ifdef CONFIG_SPLASH_SCREEN 852 char *s; 853 ulong addr; 854 static int do_splash = 1; 855 856 if (do_splash && (s = getenv("splashimage")) != NULL) { 857 int x = 0, y = 0; 858 do_splash = 0; 859 860 addr = simple_strtoul (s, NULL, 16); 861 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 862 s = getenv("splashpos"); 863 if (s != NULL) { 864 if (s[0] == 'm') 865 x = BMP_ALIGN_CENTER; 866 else 867 x = simple_strtol(s, NULL, 0); 868 869 s = strchr(s + 1, ','); 870 if (s != NULL) { 871 if (s[1] == 'm') 872 y = BMP_ALIGN_CENTER; 873 else 874 y = simple_strtol (s + 1, NULL, 0); 875 } 876 } 877 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 878 879 if (bmp_display(addr, x, y) == 0) 880 return (void *)lcd_base; 881 } 882 #endif /* CONFIG_SPLASH_SCREEN */ 883 884 bitmap_plot(0, 0); 885 886 #ifdef CONFIG_LCD_INFO 887 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 888 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 889 lcd_show_board_info(); 890 #endif /* CONFIG_LCD_INFO */ 891 892 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 893 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); 894 #else 895 return (void *)lcd_base; 896 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 897 } 898 899 /************************************************************************/ 900 /************************************************************************/ 901