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 <devices.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_PXA250) 45 #include <asm/byteorder.h> 46 #endif 47 48 #if defined(CONFIG_MPC823) 49 #include <lcdvideo.h> 50 #endif 51 52 #if defined(CONFIG_ATMEL_LCD) 53 #include <atmel_lcdc.h> 54 #endif 55 56 /************************************************************************/ 57 /* ** FONT DATA */ 58 /************************************************************************/ 59 #include <video_font.h> /* Get font data, width and height */ 60 61 /************************************************************************/ 62 /* ** LOGO DATA */ 63 /************************************************************************/ 64 #ifdef CONFIG_LCD_LOGO 65 # include <bmp_logo.h> /* Get logo data, width and height */ 66 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) 67 # error Default Color Map overlaps with Logo Color Map 68 # endif 69 #endif 70 71 DECLARE_GLOBAL_DATA_PTR; 72 73 ulong lcd_setmem (ulong addr); 74 75 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count); 76 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s); 77 static inline void lcd_putc_xy (ushort x, ushort y, uchar c); 78 79 static int lcd_init (void *lcdbase); 80 81 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]); 82 extern void lcd_ctrl_init (void *lcdbase); 83 extern void lcd_enable (void); 84 static void *lcd_logo (void); 85 86 87 #if LCD_BPP == LCD_COLOR8 88 extern void lcd_setcolreg (ushort regno, 89 ushort red, ushort green, ushort blue); 90 #endif 91 #if LCD_BPP == LCD_MONOCHROME 92 extern void lcd_initcolregs (void); 93 #endif 94 95 static int lcd_getbgcolor (void); 96 static void lcd_setfgcolor (int color); 97 static void lcd_setbgcolor (int color); 98 99 char lcd_is_enabled = 0; 100 extern vidinfo_t panel_info; 101 102 #ifdef NOT_USED_SO_FAR 103 static void lcd_getcolreg (ushort regno, 104 ushort *red, ushort *green, ushort *blue); 105 static int lcd_getfgcolor (void); 106 #endif /* NOT_USED_SO_FAR */ 107 108 /************************************************************************/ 109 110 /*----------------------------------------------------------------------*/ 111 112 static void console_scrollup (void) 113 { 114 #if 1 115 /* Copy up rows ignoring the first one */ 116 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 117 118 /* Clear the last one */ 119 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 120 #else 121 /* 122 * Poor attempt to optimize speed by moving "long"s. 123 * But the code is ugly, and not a bit faster :-( 124 */ 125 ulong *t = (ulong *)CONSOLE_ROW_FIRST; 126 ulong *s = (ulong *)CONSOLE_ROW_SECOND; 127 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong); 128 uchar c = lcd_color_bg & 0xFF; 129 ulong val= (c<<24) | (c<<16) | (c<<8) | c; 130 131 while (l--) 132 *t++ = *s++; 133 134 t = (ulong *)CONSOLE_ROW_LAST; 135 l = CONSOLE_ROW_SIZE / sizeof(ulong); 136 137 while (l-- > 0) 138 *t++ = val; 139 #endif 140 } 141 142 /*----------------------------------------------------------------------*/ 143 144 static inline void console_back (void) 145 { 146 if (--console_col < 0) { 147 console_col = CONSOLE_COLS-1 ; 148 if (--console_row < 0) { 149 console_row = 0; 150 } 151 } 152 153 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 154 console_row * VIDEO_FONT_HEIGHT, 155 ' '); 156 } 157 158 /*----------------------------------------------------------------------*/ 159 160 static inline void console_newline (void) 161 { 162 ++console_row; 163 console_col = 0; 164 165 /* Check if we need to scroll the terminal */ 166 if (console_row >= CONSOLE_ROWS) { 167 /* Scroll everything up */ 168 console_scrollup () ; 169 --console_row; 170 } 171 } 172 173 /*----------------------------------------------------------------------*/ 174 175 void lcd_putc (const char c) 176 { 177 if (!lcd_is_enabled) { 178 serial_putc(c); 179 return; 180 } 181 182 switch (c) { 183 case '\r': console_col = 0; 184 return; 185 186 case '\n': console_newline(); 187 return; 188 189 case '\t': /* Tab (8 chars alignment) */ 190 console_col |= 8; 191 console_col &= ~7; 192 193 if (console_col >= CONSOLE_COLS) { 194 console_newline(); 195 } 196 return; 197 198 case '\b': console_back(); 199 return; 200 201 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 202 console_row * VIDEO_FONT_HEIGHT, 203 c); 204 if (++console_col >= CONSOLE_COLS) { 205 console_newline(); 206 } 207 return; 208 } 209 /* NOTREACHED */ 210 } 211 212 /*----------------------------------------------------------------------*/ 213 214 void lcd_puts (const char *s) 215 { 216 if (!lcd_is_enabled) { 217 serial_puts (s); 218 return; 219 } 220 221 while (*s) { 222 lcd_putc (*s++); 223 } 224 } 225 226 /*----------------------------------------------------------------------*/ 227 228 void lcd_printf(const char *fmt, ...) 229 { 230 va_list args; 231 char buf[CONFIG_SYS_PBSIZE]; 232 233 va_start(args, fmt); 234 vsprintf(buf, fmt, args); 235 va_end(args); 236 237 lcd_puts(buf); 238 } 239 240 /************************************************************************/ 241 /* ** Low-Level Graphics Routines */ 242 /************************************************************************/ 243 244 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count) 245 { 246 uchar *dest; 247 ushort off, row; 248 249 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 250 off = x * (1 << LCD_BPP) % 8; 251 252 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 253 uchar *s = str; 254 uchar *d = dest; 255 int i; 256 257 #if LCD_BPP == LCD_MONOCHROME 258 uchar rest = *d & -(1 << (8-off)); 259 uchar sym; 260 #endif 261 for (i=0; i<count; ++i) { 262 uchar c, bits; 263 264 c = *s++; 265 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 266 267 #if LCD_BPP == LCD_MONOCHROME 268 sym = (COLOR_MASK(lcd_color_fg) & bits) | 269 (COLOR_MASK(lcd_color_bg) & ~bits); 270 271 *d++ = rest | (sym >> off); 272 rest = sym << (8-off); 273 #elif LCD_BPP == LCD_COLOR8 274 for (c=0; c<8; ++c) { 275 *d++ = (bits & 0x80) ? 276 lcd_color_fg : lcd_color_bg; 277 bits <<= 1; 278 } 279 #elif LCD_BPP == LCD_COLOR16 280 for (c=0; c<16; ++c) { 281 *d++ = (bits & 0x80) ? 282 lcd_color_fg : lcd_color_bg; 283 bits <<= 1; 284 } 285 #endif 286 } 287 #if LCD_BPP == LCD_MONOCHROME 288 *d = rest | (*d & ((1 << (8-off)) - 1)); 289 #endif 290 } 291 } 292 293 /*----------------------------------------------------------------------*/ 294 295 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 296 { 297 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 298 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 299 #else 300 lcd_drawchars (x, y, s, strlen ((char *)s)); 301 #endif 302 } 303 304 /*----------------------------------------------------------------------*/ 305 306 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 307 { 308 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 309 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 310 #else 311 lcd_drawchars (x, y, &c, 1); 312 #endif 313 } 314 315 /************************************************************************/ 316 /** Small utility to check that you got the colours right */ 317 /************************************************************************/ 318 #ifdef LCD_TEST_PATTERN 319 320 #define N_BLK_VERT 2 321 #define N_BLK_HOR 3 322 323 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 324 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 325 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 326 }; 327 328 static void test_pattern (void) 329 { 330 ushort v_max = panel_info.vl_row; 331 ushort h_max = panel_info.vl_col; 332 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 333 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 334 ushort v, h; 335 uchar *pix = (uchar *)lcd_base; 336 337 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 338 h_max, v_max, h_step, v_step); 339 340 /* WARNING: Code silently assumes 8bit/pixel */ 341 for (v=0; v<v_max; ++v) { 342 uchar iy = v / v_step; 343 for (h=0; h<h_max; ++h) { 344 uchar ix = N_BLK_HOR * iy + (h/h_step); 345 *pix++ = test_colors[ix]; 346 } 347 } 348 } 349 #endif /* LCD_TEST_PATTERN */ 350 351 352 /************************************************************************/ 353 /* ** GENERIC Initialization Routines */ 354 /************************************************************************/ 355 356 int drv_lcd_init (void) 357 { 358 device_t lcddev; 359 int rc; 360 361 lcd_base = (void *)(gd->fb_base); 362 363 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 364 365 lcd_init (lcd_base); /* LCD initialization */ 366 367 /* Device initialization */ 368 memset (&lcddev, 0, sizeof (lcddev)); 369 370 strcpy (lcddev.name, "lcd"); 371 lcddev.ext = 0; /* No extensions */ 372 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 373 lcddev.putc = lcd_putc; /* 'putc' function */ 374 lcddev.puts = lcd_puts; /* 'puts' function */ 375 376 rc = device_register (&lcddev); 377 378 return (rc == 0) ? 1 : rc; 379 } 380 381 /*----------------------------------------------------------------------*/ 382 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 383 { 384 #if LCD_BPP == LCD_MONOCHROME 385 /* Setting the palette */ 386 lcd_initcolregs(); 387 388 #elif LCD_BPP == LCD_COLOR8 389 /* Setting the palette */ 390 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 391 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 392 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 393 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 394 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 395 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 396 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 397 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 398 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 399 #endif 400 401 #ifndef CONFIG_SYS_WHITE_ON_BLACK 402 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 403 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 404 #else 405 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 406 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 407 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 408 409 #ifdef LCD_TEST_PATTERN 410 test_pattern(); 411 #else 412 /* set framebuffer to background color */ 413 memset ((char *)lcd_base, 414 COLOR_MASK(lcd_getbgcolor()), 415 lcd_line_length*panel_info.vl_row); 416 #endif 417 /* Paint the logo and retrieve LCD base address */ 418 debug ("[LCD] Drawing the logo...\n"); 419 lcd_console_address = lcd_logo (); 420 421 console_col = 0; 422 console_row = 0; 423 424 return (0); 425 } 426 427 U_BOOT_CMD( 428 cls, 1, 1, lcd_clear, 429 "cls - clear screen\n", 430 NULL 431 ); 432 433 /*----------------------------------------------------------------------*/ 434 435 static int lcd_init (void *lcdbase) 436 { 437 /* Initialize the lcd controller */ 438 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 439 440 lcd_ctrl_init (lcdbase); 441 lcd_is_enabled = 1; 442 lcd_clear (NULL, 1, 1, NULL); /* dummy args */ 443 lcd_enable (); 444 445 /* Initialize the console */ 446 console_col = 0; 447 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 448 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 449 #else 450 console_row = 1; /* leave 1 blank line below logo */ 451 #endif 452 453 return 0; 454 } 455 456 457 /************************************************************************/ 458 /* ** ROM capable initialization part - needed to reserve FB memory */ 459 /************************************************************************/ 460 /* 461 * This is called early in the system initialization to grab memory 462 * for the LCD controller. 463 * Returns new address for monitor, after reserving LCD buffer memory 464 * 465 * Note that this is running from ROM, so no write access to global data. 466 */ 467 ulong lcd_setmem (ulong addr) 468 { 469 ulong size; 470 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 471 472 debug ("LCD panel info: %d x %d, %d bit/pix\n", 473 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 474 475 size = line_length * panel_info.vl_row; 476 477 /* Round up to nearest full page */ 478 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 479 480 /* Allocate pages for the frame buffer. */ 481 addr -= size; 482 483 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 484 485 return (addr); 486 } 487 488 /*----------------------------------------------------------------------*/ 489 490 static void lcd_setfgcolor (int color) 491 { 492 #ifdef CONFIG_ATMEL_LCD 493 lcd_color_fg = color; 494 #else 495 lcd_color_fg = color & 0x0F; 496 #endif 497 } 498 499 /*----------------------------------------------------------------------*/ 500 501 static void lcd_setbgcolor (int color) 502 { 503 #ifdef CONFIG_ATMEL_LCD 504 lcd_color_bg = color; 505 #else 506 lcd_color_bg = color & 0x0F; 507 #endif 508 } 509 510 /*----------------------------------------------------------------------*/ 511 512 #ifdef NOT_USED_SO_FAR 513 static int lcd_getfgcolor (void) 514 { 515 return lcd_color_fg; 516 } 517 #endif /* NOT_USED_SO_FAR */ 518 519 /*----------------------------------------------------------------------*/ 520 521 static int lcd_getbgcolor (void) 522 { 523 return lcd_color_bg; 524 } 525 526 /*----------------------------------------------------------------------*/ 527 528 /************************************************************************/ 529 /* ** Chipset depending Bitmap / Logo stuff... */ 530 /************************************************************************/ 531 #ifdef CONFIG_LCD_LOGO 532 void bitmap_plot (int x, int y) 533 { 534 #ifdef CONFIG_ATMEL_LCD 535 uint *cmap; 536 #else 537 ushort *cmap; 538 #endif 539 ushort i, j; 540 uchar *bmap; 541 uchar *fb; 542 ushort *fb16; 543 #if defined(CONFIG_PXA250) 544 struct pxafb_info *fbi = &panel_info.pxa; 545 #elif defined(CONFIG_MPC823) 546 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 547 volatile cpm8xx_t *cp = &(immr->im_cpm); 548 #endif 549 550 debug ("Logo: width %d height %d colors %d cmap %d\n", 551 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 552 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort)))); 553 554 bmap = &bmp_logo_bitmap[0]; 555 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 556 557 if (NBITS(panel_info.vl_bpix) < 12) { 558 /* Leave room for default color map */ 559 #if defined(CONFIG_PXA250) 560 cmap = (ushort *)fbi->palette; 561 #elif defined(CONFIG_MPC823) 562 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 563 #elif defined(CONFIG_ATMEL_LCD) 564 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 565 #endif 566 567 WATCHDOG_RESET(); 568 569 /* Set color map */ 570 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { 571 ushort colreg = bmp_logo_palette[i]; 572 #ifdef CONFIG_ATMEL_LCD 573 uint lut_entry; 574 #ifdef CONFIG_ATMEL_LCD_BGR555 575 lut_entry = ((colreg & 0x000F) << 11) | 576 ((colreg & 0x00F0) << 2) | 577 ((colreg & 0x0F00) >> 7); 578 #else /* CONFIG_ATMEL_LCD_RGB565 */ 579 lut_entry = ((colreg & 0x000F) << 1) | 580 ((colreg & 0x00F0) << 3) | 581 ((colreg & 0x0F00) << 4); 582 #endif 583 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 584 cmap++; 585 #else /* !CONFIG_ATMEL_LCD */ 586 #ifdef CONFIG_SYS_INVERT_COLORS 587 *cmap++ = 0xffff - colreg; 588 #else 589 *cmap++ = colreg; 590 #endif 591 #endif /* CONFIG_ATMEL_LCD */ 592 } 593 594 WATCHDOG_RESET(); 595 596 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 597 memcpy (fb, bmap, BMP_LOGO_WIDTH); 598 bmap += BMP_LOGO_WIDTH; 599 fb += panel_info.vl_col; 600 } 601 } 602 else { /* true color mode */ 603 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 604 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 605 for (j=0; j<BMP_LOGO_WIDTH; j++) { 606 fb16[j] = bmp_logo_palette[(bmap[j])]; 607 } 608 bmap += BMP_LOGO_WIDTH; 609 fb16 += panel_info.vl_col; 610 } 611 } 612 613 WATCHDOG_RESET(); 614 } 615 #endif /* CONFIG_LCD_LOGO */ 616 617 /*----------------------------------------------------------------------*/ 618 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 619 /* 620 * Display the BMP file located at address bmp_image. 621 * Only uncompressed. 622 */ 623 int lcd_display_bitmap(ulong bmp_image, int x, int y) 624 { 625 #ifdef CONFIG_ATMEL_LCD 626 uint *cmap; 627 #elif !defined(CONFIG_MCC200) 628 ushort *cmap; 629 #endif 630 ushort i, j; 631 uchar *fb; 632 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 633 uchar *bmap; 634 ushort padded_line; 635 unsigned long width, height; 636 unsigned long pwidth = panel_info.vl_col; 637 unsigned colors,bpix; 638 unsigned long compression; 639 #if defined(CONFIG_PXA250) 640 struct pxafb_info *fbi = &panel_info.pxa; 641 #elif defined(CONFIG_MPC823) 642 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 643 volatile cpm8xx_t *cp = &(immr->im_cpm); 644 #endif 645 646 if (!((bmp->header.signature[0]=='B') && 647 (bmp->header.signature[1]=='M'))) { 648 printf ("Error: no valid bmp image at %lx\n", bmp_image); 649 return 1; 650 } 651 652 width = le32_to_cpu (bmp->header.width); 653 height = le32_to_cpu (bmp->header.height); 654 colors = 1<<le16_to_cpu (bmp->header.bit_count); 655 compression = le32_to_cpu (bmp->header.compression); 656 657 bpix = NBITS(panel_info.vl_bpix); 658 659 if ((bpix != 1) && (bpix != 8)) { 660 printf ("Error: %d bit/pixel mode not supported by U-Boot\n", 661 bpix); 662 return 1; 663 } 664 665 if (bpix != le16_to_cpu(bmp->header.bit_count)) { 666 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 667 bpix, 668 le16_to_cpu(bmp->header.bit_count)); 669 return 1; 670 } 671 672 debug ("Display-bmp: %d x %d with %d colors\n", 673 (int)width, (int)height, (int)colors); 674 675 #if !defined(CONFIG_MCC200) 676 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 677 if (bpix==8) { 678 #if defined(CONFIG_PXA250) 679 cmap = (ushort *)fbi->palette; 680 #elif defined(CONFIG_MPC823) 681 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 682 #elif defined(CONFIG_ATMEL_LCD) 683 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 684 #else 685 # error "Don't know location of color map" 686 #endif 687 688 /* Set color map */ 689 for (i=0; i<colors; ++i) { 690 bmp_color_table_entry_t cte = bmp->color_table[i]; 691 #if !defined(CONFIG_ATMEL_LCD) 692 ushort colreg = 693 ( ((cte.red) << 8) & 0xf800) | 694 ( ((cte.green) << 3) & 0x07e0) | 695 ( ((cte.blue) >> 3) & 0x001f) ; 696 #ifdef CONFIG_SYS_INVERT_COLORS 697 *cmap = 0xffff - colreg; 698 #else 699 *cmap = colreg; 700 #endif 701 #if defined(CONFIG_PXA250) 702 cmap++; 703 #elif defined(CONFIG_MPC823) 704 cmap--; 705 #endif 706 #else /* CONFIG_ATMEL_LCD */ 707 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 708 #endif 709 } 710 } 711 #endif 712 713 /* 714 * BMP format for Monochrome assumes that the state of a 715 * pixel is described on a per Bit basis, not per Byte. 716 * So, in case of Monochrome BMP we should align widths 717 * on a byte boundary and convert them from Bit to Byte 718 * units. 719 * Probably, PXA250 and MPC823 process 1bpp BMP images in 720 * their own ways, so make the converting to be MCC200 721 * specific. 722 */ 723 #if defined(CONFIG_MCC200) 724 if (bpix==1) 725 { 726 width = ((width + 7) & ~7) >> 3; 727 x = ((x + 7) & ~7) >> 3; 728 pwidth= ((pwidth + 7) & ~7) >> 3; 729 } 730 #endif 731 732 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 733 if ((x + width)>pwidth) 734 width = pwidth - x; 735 if ((y + height)>panel_info.vl_row) 736 height = panel_info.vl_row - y; 737 738 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 739 fb = (uchar *) (lcd_base + 740 (y + height - 1) * lcd_line_length + x); 741 for (i = 0; i < height; ++i) { 742 WATCHDOG_RESET(); 743 for (j = 0; j < width ; j++) 744 #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD) 745 *(fb++) = *(bmap++); 746 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 747 *(fb++)=255-*(bmap++); 748 #endif 749 bmap += (width - padded_line); 750 fb -= (width + lcd_line_length); 751 } 752 753 return (0); 754 } 755 #endif 756 757 #ifdef CONFIG_VIDEO_BMP_GZIP 758 extern bmp_image_t *gunzip_bmp(unsigned long addr, unsigned long *lenp); 759 #endif 760 761 static void *lcd_logo (void) 762 { 763 #ifdef CONFIG_SPLASH_SCREEN 764 char *s; 765 ulong addr; 766 static int do_splash = 1; 767 768 if (do_splash && (s = getenv("splashimage")) != NULL) { 769 addr = simple_strtoul(s, NULL, 16); 770 do_splash = 0; 771 772 #ifdef CONFIG_VIDEO_BMP_GZIP 773 bmp_image_t *bmp = (bmp_image_t *)addr; 774 unsigned long len; 775 776 if (!((bmp->header.signature[0]=='B') && 777 (bmp->header.signature[1]=='M'))) { 778 addr = (ulong)gunzip_bmp(addr, &len); 779 } 780 #endif 781 782 if (lcd_display_bitmap (addr, 0, 0) == 0) { 783 return ((void *)lcd_base); 784 } 785 } 786 #endif /* CONFIG_SPLASH_SCREEN */ 787 788 #ifdef CONFIG_LCD_LOGO 789 bitmap_plot (0, 0); 790 #endif /* CONFIG_LCD_LOGO */ 791 792 #ifdef CONFIG_LCD_INFO 793 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 794 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 795 lcd_show_board_info(); 796 #endif /* CONFIG_LCD_INFO */ 797 798 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 799 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 800 #else 801 return ((void *)lcd_base); 802 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 803 } 804 805 /************************************************************************/ 806 /************************************************************************/ 807