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 #ifdef CONFIG_LCD_LOGO 502 void bitmap_plot(int x, int y) 503 { 504 #ifdef CONFIG_ATMEL_LCD 505 uint *cmap; 506 #else 507 ushort *cmap; 508 #endif 509 ushort i, j; 510 uchar *bmap; 511 uchar *fb; 512 ushort *fb16; 513 #if defined(CONFIG_CPU_PXA) 514 struct pxafb_info *fbi = &panel_info.pxa; 515 #elif defined(CONFIG_MPC823) 516 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 517 volatile cpm8xx_t *cp = &(immr->im_cpm); 518 #endif 519 520 debug("Logo: width %d height %d colors %d cmap %d\n", 521 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 522 ARRAY_SIZE(bmp_logo_palette)); 523 524 bmap = &bmp_logo_bitmap[0]; 525 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 526 527 if (NBITS(panel_info.vl_bpix) < 12) { 528 /* Leave room for default color map */ 529 #if defined(CONFIG_CPU_PXA) 530 cmap = (ushort *) fbi->palette; 531 #elif defined(CONFIG_MPC823) 532 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); 533 #elif defined(CONFIG_ATMEL_LCD) 534 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 535 #else 536 /* 537 * default case: generic system with no cmap (most likely 16bpp) 538 * We set cmap to the source palette, so no change is done. 539 * This avoids even more ifdef in the next stanza 540 */ 541 cmap = bmp_logo_palette; 542 #endif 543 544 WATCHDOG_RESET(); 545 546 /* Set color map */ 547 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { 548 ushort colreg = bmp_logo_palette[i]; 549 #ifdef CONFIG_ATMEL_LCD 550 uint lut_entry; 551 #ifdef CONFIG_ATMEL_LCD_BGR555 552 lut_entry = ((colreg & 0x000F) << 11) | 553 ((colreg & 0x00F0) << 2) | 554 ((colreg & 0x0F00) >> 7); 555 #else /* CONFIG_ATMEL_LCD_RGB565 */ 556 lut_entry = ((colreg & 0x000F) << 1) | 557 ((colreg & 0x00F0) << 3) | 558 ((colreg & 0x0F00) << 4); 559 #endif 560 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 561 cmap++; 562 #else /* !CONFIG_ATMEL_LCD */ 563 #ifdef CONFIG_SYS_INVERT_COLORS 564 *cmap++ = 0xffff - colreg; 565 #else 566 *cmap++ = colreg; 567 #endif 568 #endif /* CONFIG_ATMEL_LCD */ 569 } 570 571 WATCHDOG_RESET(); 572 573 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 574 memcpy(fb, bmap, BMP_LOGO_WIDTH); 575 bmap += BMP_LOGO_WIDTH; 576 fb += panel_info.vl_col; 577 } 578 } 579 else { /* true color mode */ 580 u16 col16; 581 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 582 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 583 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 584 col16 = bmp_logo_palette[(bmap[j]-16)]; 585 fb16[j] = 586 ((col16 & 0x000F) << 1) | 587 ((col16 & 0x00F0) << 3) | 588 ((col16 & 0x0F00) << 4); 589 } 590 bmap += BMP_LOGO_WIDTH; 591 fb16 += panel_info.vl_col; 592 } 593 } 594 595 WATCHDOG_RESET(); 596 } 597 #else 598 static inline void bitmap_plot(int x, int y) {} 599 #endif /* CONFIG_LCD_LOGO */ 600 601 /*----------------------------------------------------------------------*/ 602 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 603 /* 604 * Display the BMP file located at address bmp_image. 605 * Only uncompressed. 606 */ 607 608 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 609 #define BMP_ALIGN_CENTER 0x7FFF 610 #endif 611 612 int lcd_display_bitmap(ulong bmp_image, int x, int y) 613 { 614 #if !defined(CONFIG_MCC200) 615 ushort *cmap = NULL; 616 #endif 617 ushort *cmap_base = NULL; 618 ushort i, j; 619 uchar *fb; 620 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 621 uchar *bmap; 622 ushort padded_line; 623 unsigned long width, height, byte_width; 624 unsigned long pwidth = panel_info.vl_col; 625 unsigned colors, bpix, bmp_bpix; 626 #if defined(CONFIG_CPU_PXA) 627 struct pxafb_info *fbi = &panel_info.pxa; 628 #elif defined(CONFIG_MPC823) 629 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 630 volatile cpm8xx_t *cp = &(immr->im_cpm); 631 #endif 632 633 if (!((bmp->header.signature[0] == 'B') && 634 (bmp->header.signature[1] == 'M'))) { 635 printf("Error: no valid bmp image at %lx\n", bmp_image); 636 637 return 1; 638 } 639 640 width = le32_to_cpu(bmp->header.width); 641 height = le32_to_cpu(bmp->header.height); 642 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 643 colors = 1 << bmp_bpix; 644 645 bpix = NBITS(panel_info.vl_bpix); 646 647 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) { 648 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 649 bpix, bmp_bpix); 650 651 return 1; 652 } 653 654 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 655 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) { 656 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 657 bpix, 658 le16_to_cpu(bmp->header.bit_count)); 659 660 return 1; 661 } 662 663 debug("Display-bmp: %d x %d with %d colors\n", 664 (int)width, (int)height, (int)colors); 665 666 #if !defined(CONFIG_MCC200) 667 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 668 if (bmp_bpix == 8) { 669 #if defined(CONFIG_CPU_PXA) 670 cmap = (ushort *)fbi->palette; 671 #elif defined(CONFIG_MPC823) 672 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 673 #elif !defined(CONFIG_ATMEL_LCD) && !defined(CONFIG_EXYNOS_FB) 674 cmap = panel_info.cmap; 675 #endif 676 677 cmap_base = cmap; 678 679 /* Set color map */ 680 for (i = 0; i < colors; ++i) { 681 bmp_color_table_entry_t cte = bmp->color_table[i]; 682 #if !defined(CONFIG_ATMEL_LCD) 683 ushort colreg = 684 ( ((cte.red) << 8) & 0xf800) | 685 ( ((cte.green) << 3) & 0x07e0) | 686 ( ((cte.blue) >> 3) & 0x001f) ; 687 #ifdef CONFIG_SYS_INVERT_COLORS 688 *cmap = 0xffff - colreg; 689 #else 690 *cmap = colreg; 691 #endif 692 #if defined(CONFIG_MPC823) 693 cmap--; 694 #else 695 cmap++; 696 #endif 697 #else /* CONFIG_ATMEL_LCD */ 698 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 699 #endif 700 } 701 } 702 #endif 703 704 /* 705 * BMP format for Monochrome assumes that the state of a 706 * pixel is described on a per Bit basis, not per Byte. 707 * So, in case of Monochrome BMP we should align widths 708 * on a byte boundary and convert them from Bit to Byte 709 * units. 710 * Probably, PXA250 and MPC823 process 1bpp BMP images in 711 * their own ways, so make the converting to be MCC200 712 * specific. 713 */ 714 #if defined(CONFIG_MCC200) 715 if (bpix == 1) { 716 width = ((width + 7) & ~7) >> 3; 717 x = ((x + 7) & ~7) >> 3; 718 pwidth= ((pwidth + 7) & ~7) >> 3; 719 } 720 #endif 721 722 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 723 724 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 725 if (x == BMP_ALIGN_CENTER) 726 x = max(0, (pwidth - width) / 2); 727 else if (x < 0) 728 x = max(0, pwidth - width + x + 1); 729 730 if (y == BMP_ALIGN_CENTER) 731 y = max(0, (panel_info.vl_row - height) / 2); 732 else if (y < 0) 733 y = max(0, panel_info.vl_row - height + y + 1); 734 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 735 736 if ((x + width) > pwidth) 737 width = pwidth - x; 738 if ((y + height) > panel_info.vl_row) 739 height = panel_info.vl_row - y; 740 741 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); 742 fb = (uchar *) (lcd_base + 743 (y + height - 1) * lcd_line_length + x * bpix / 8); 744 745 switch (bmp_bpix) { 746 case 1: /* pass through */ 747 case 8: 748 if (bpix != 16) 749 byte_width = width; 750 else 751 byte_width = width * 2; 752 753 for (i = 0; i < height; ++i) { 754 WATCHDOG_RESET(); 755 for (j = 0; j < width; j++) { 756 if (bpix != 16) { 757 #if defined(CONFIG_CPU_PXA) || defined(CONFIG_ATMEL_LCD) 758 *(fb++) = *(bmap++); 759 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 760 *(fb++) = 255 - *(bmap++); 761 #endif 762 } else { 763 *(uint16_t *)fb = cmap_base[*(bmap++)]; 764 fb += sizeof(uint16_t) / sizeof(*fb); 765 } 766 } 767 bmap += (width - padded_line); 768 fb -= (byte_width + lcd_line_length); 769 } 770 break; 771 772 #if defined(CONFIG_BMP_16BPP) 773 case 16: 774 for (i = 0; i < height; ++i) { 775 WATCHDOG_RESET(); 776 for (j = 0; j < width; j++) { 777 #if defined(CONFIG_ATMEL_LCD_BGR555) 778 *(fb++) = ((bmap[0] & 0x1f) << 2) | 779 (bmap[1] & 0x03); 780 *(fb++) = (bmap[0] & 0xe0) | 781 ((bmap[1] & 0x7c) >> 2); 782 bmap += 2; 783 #else 784 *(fb++) = *(bmap++); 785 *(fb++) = *(bmap++); 786 #endif 787 } 788 bmap += (padded_line - width) * 2; 789 fb -= (width * 2 + lcd_line_length); 790 } 791 break; 792 #endif /* CONFIG_BMP_16BPP */ 793 794 #if defined(CONFIG_BMP_32BPP) 795 case 32: 796 for (i = 0; i < height; ++i) { 797 for (j = 0; j < width; j++) { 798 *(fb++) = *(bmap++); 799 *(fb++) = *(bmap++); 800 *(fb++) = *(bmap++); 801 *(fb++) = *(bmap++); 802 } 803 fb -= (lcd_line_length + width * (bpix / 8)); 804 } 805 break; 806 #endif /* CONFIG_BMP_32BPP */ 807 default: 808 break; 809 }; 810 811 return 0; 812 } 813 #endif 814 815 static void *lcd_logo(void) 816 { 817 #ifdef CONFIG_SPLASH_SCREEN 818 char *s; 819 ulong addr; 820 static int do_splash = 1; 821 822 if (do_splash && (s = getenv("splashimage")) != NULL) { 823 int x = 0, y = 0; 824 do_splash = 0; 825 826 addr = simple_strtoul (s, NULL, 16); 827 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 828 s = getenv("splashpos"); 829 if (s != NULL) { 830 if (s[0] == 'm') 831 x = BMP_ALIGN_CENTER; 832 else 833 x = simple_strtol(s, NULL, 0); 834 835 s = strchr(s + 1, ','); 836 if (s != NULL) { 837 if (s[1] == 'm') 838 y = BMP_ALIGN_CENTER; 839 else 840 y = simple_strtol (s + 1, NULL, 0); 841 } 842 } 843 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 844 845 #ifdef CONFIG_VIDEO_BMP_GZIP 846 bmp_image_t *bmp = (bmp_image_t *)addr; 847 unsigned long len; 848 849 if (!((bmp->header.signature[0] == 'B') && 850 (bmp->header.signature[1] == 'M'))) { 851 addr = (ulong)gunzip_bmp(addr, &len); 852 } 853 #endif 854 855 if (lcd_display_bitmap(addr, x, y) == 0) 856 return (void *)lcd_base; 857 } 858 #endif /* CONFIG_SPLASH_SCREEN */ 859 860 bitmap_plot(0, 0); 861 862 #ifdef CONFIG_LCD_INFO 863 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 864 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 865 lcd_show_board_info(); 866 #endif /* CONFIG_LCD_INFO */ 867 868 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 869 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); 870 #else 871 return (void *)lcd_base; 872 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 873 } 874 875 /************************************************************************/ 876 /************************************************************************/ 877