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 #else 513 return (ushort *)panel_info.cmap; 514 #endif 515 } 516 517 #ifdef CONFIG_LCD_LOGO 518 void bitmap_plot(int x, int y) 519 { 520 #ifdef CONFIG_ATMEL_LCD 521 uint *cmap = (uint *)bmp_logo_palette; 522 #else 523 ushort *cmap = (ushort *)bmp_logo_palette; 524 #endif 525 ushort i, j; 526 uchar *bmap; 527 uchar *fb; 528 ushort *fb16; 529 #if defined(CONFIG_MPC823) 530 immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 531 cpm8xx_t *cp = &(immr->im_cpm); 532 #endif 533 534 debug("Logo: width %d height %d colors %d cmap %d\n", 535 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 536 ARRAY_SIZE(bmp_logo_palette)); 537 538 bmap = &bmp_logo_bitmap[0]; 539 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 540 541 if (NBITS(panel_info.vl_bpix) < 12) { 542 /* Leave room for default color map 543 * default case: generic system with no cmap (most likely 16bpp) 544 * cmap was set to the source palette, so no change is done. 545 * This avoids even more ifdefs in the next stanza 546 */ 547 #if defined(CONFIG_MPC823) 548 cmap = (ushort *) &(cp->lcd_cmap[BMP_LOGO_OFFSET * sizeof(ushort)]); 549 #elif defined(CONFIG_ATMEL_LCD) 550 cmap = (uint *)configuration_get_cmap(); 551 #else 552 cmap = configuration_get_cmap(); 553 #endif 554 555 WATCHDOG_RESET(); 556 557 /* Set color map */ 558 for (i = 0; i < ARRAY_SIZE(bmp_logo_palette); ++i) { 559 ushort colreg = bmp_logo_palette[i]; 560 #ifdef CONFIG_ATMEL_LCD 561 uint lut_entry; 562 #ifdef CONFIG_ATMEL_LCD_BGR555 563 lut_entry = ((colreg & 0x000F) << 11) | 564 ((colreg & 0x00F0) << 2) | 565 ((colreg & 0x0F00) >> 7); 566 #else /* CONFIG_ATMEL_LCD_RGB565 */ 567 lut_entry = ((colreg & 0x000F) << 1) | 568 ((colreg & 0x00F0) << 3) | 569 ((colreg & 0x0F00) << 4); 570 #endif 571 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 572 cmap++; 573 #else /* !CONFIG_ATMEL_LCD */ 574 #ifdef CONFIG_SYS_INVERT_COLORS 575 *cmap++ = 0xffff - colreg; 576 #else 577 *cmap++ = colreg; 578 #endif 579 #endif /* CONFIG_ATMEL_LCD */ 580 } 581 582 WATCHDOG_RESET(); 583 584 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 585 memcpy(fb, bmap, BMP_LOGO_WIDTH); 586 bmap += BMP_LOGO_WIDTH; 587 fb += panel_info.vl_col; 588 } 589 } 590 else { /* true color mode */ 591 u16 col16; 592 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 593 for (i = 0; i < BMP_LOGO_HEIGHT; ++i) { 594 for (j = 0; j < BMP_LOGO_WIDTH; j++) { 595 col16 = bmp_logo_palette[(bmap[j]-16)]; 596 fb16[j] = 597 ((col16 & 0x000F) << 1) | 598 ((col16 & 0x00F0) << 3) | 599 ((col16 & 0x0F00) << 4); 600 } 601 bmap += BMP_LOGO_WIDTH; 602 fb16 += panel_info.vl_col; 603 } 604 } 605 606 WATCHDOG_RESET(); 607 } 608 #else 609 static inline void bitmap_plot(int x, int y) {} 610 #endif /* CONFIG_LCD_LOGO */ 611 612 /*----------------------------------------------------------------------*/ 613 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 614 /* 615 * Display the BMP file located at address bmp_image. 616 * Only uncompressed. 617 */ 618 619 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 620 #define BMP_ALIGN_CENTER 0x7FFF 621 622 static void splash_align_axis(int *axis, unsigned long panel_size, 623 unsigned long picture_size) 624 { 625 unsigned long panel_picture_delta = panel_size - picture_size; 626 unsigned long axis_alignment; 627 628 if (*axis == BMP_ALIGN_CENTER) 629 axis_alignment = panel_picture_delta / 2; 630 else if (*axis < 0) 631 axis_alignment = panel_picture_delta + *axis + 1; 632 else 633 return; 634 635 *axis = max(0, axis_alignment); 636 } 637 #endif 638 639 #if defined CONFIG_CPU_PXA || defined(CONFIG_ATMEL_LCD) 640 #define FB_PUT_BYTE(fb, from) *(fb)++ = *(from)++ 641 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 642 #define FB_PUT_BYTE(fb, from) *(fb)++ = (255 - *(from)++) 643 #endif 644 645 #if defined(CONFIG_BMP_16BPP) 646 #if defined(CONFIG_ATMEL_LCD_BGR555) 647 static inline void fb_put_word(uchar **fb, uchar **from) 648 { 649 *(*fb)++ = (((*from)[0] & 0x1f) << 2) | ((*from)[1] & 0x03); 650 *(*fb)++ = ((*from)[0] & 0xe0) | (((*from)[1] & 0x7c) >> 2); 651 *from += 2; 652 } 653 #else 654 static inline void fb_put_word(uchar **fb, uchar **from) 655 { 656 *(*fb)++ = *(*from)++; 657 *(*fb)++ = *(*from)++; 658 } 659 #endif 660 #endif /* CONFIG_BMP_16BPP */ 661 662 int lcd_display_bitmap(ulong bmp_image, int x, int y) 663 { 664 #if !defined(CONFIG_MCC200) 665 ushort *cmap = NULL; 666 #endif 667 ushort *cmap_base = NULL; 668 ushort i, j; 669 uchar *fb; 670 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 671 uchar *bmap; 672 ushort padded_line; 673 unsigned long width, height, byte_width; 674 unsigned long pwidth = panel_info.vl_col; 675 unsigned colors, bpix, bmp_bpix; 676 677 if (!((bmp->header.signature[0] == 'B') && 678 (bmp->header.signature[1] == 'M'))) { 679 printf("Error: no valid bmp image at %lx\n", bmp_image); 680 681 return 1; 682 } 683 684 width = le32_to_cpu(bmp->header.width); 685 height = le32_to_cpu(bmp->header.height); 686 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 687 colors = 1 << bmp_bpix; 688 689 bpix = NBITS(panel_info.vl_bpix); 690 691 if ((bpix != 1) && (bpix != 8) && (bpix != 16) && (bpix != 32)) { 692 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 693 bpix, bmp_bpix); 694 695 return 1; 696 } 697 698 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 699 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16 || bpix != 32)) { 700 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 701 bpix, 702 le16_to_cpu(bmp->header.bit_count)); 703 704 return 1; 705 } 706 707 debug("Display-bmp: %d x %d with %d colors\n", 708 (int)width, (int)height, (int)colors); 709 710 #if !defined(CONFIG_MCC200) 711 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 712 if (bmp_bpix == 8) { 713 cmap = configuration_get_cmap(); 714 cmap_base = cmap; 715 716 /* Set color map */ 717 for (i = 0; i < colors; ++i) { 718 bmp_color_table_entry_t cte = bmp->color_table[i]; 719 #if !defined(CONFIG_ATMEL_LCD) 720 ushort colreg = 721 ( ((cte.red) << 8) & 0xf800) | 722 ( ((cte.green) << 3) & 0x07e0) | 723 ( ((cte.blue) >> 3) & 0x001f) ; 724 #ifdef CONFIG_SYS_INVERT_COLORS 725 *cmap = 0xffff - colreg; 726 #else 727 *cmap = colreg; 728 #endif 729 #if defined(CONFIG_MPC823) 730 cmap--; 731 #else 732 cmap++; 733 #endif 734 #else /* CONFIG_ATMEL_LCD */ 735 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 736 #endif 737 } 738 } 739 #endif 740 741 /* 742 * BMP format for Monochrome assumes that the state of a 743 * pixel is described on a per Bit basis, not per Byte. 744 * So, in case of Monochrome BMP we should align widths 745 * on a byte boundary and convert them from Bit to Byte 746 * units. 747 * Probably, PXA250 and MPC823 process 1bpp BMP images in 748 * their own ways, so make the converting to be MCC200 749 * specific. 750 */ 751 #if defined(CONFIG_MCC200) 752 if (bpix == 1) { 753 width = ((width + 7) & ~7) >> 3; 754 x = ((x + 7) & ~7) >> 3; 755 pwidth= ((pwidth + 7) & ~7) >> 3; 756 } 757 #endif 758 759 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 760 761 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 762 splash_align_axis(&x, pwidth, width); 763 splash_align_axis(&y, panel_info.vl_row, height); 764 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 765 766 if ((x + width) > pwidth) 767 width = pwidth - x; 768 if ((y + height) > panel_info.vl_row) 769 height = panel_info.vl_row - y; 770 771 bmap = (uchar *)bmp + le32_to_cpu(bmp->header.data_offset); 772 fb = (uchar *) (lcd_base + 773 (y + height - 1) * lcd_line_length + x * bpix / 8); 774 775 switch (bmp_bpix) { 776 case 1: /* pass through */ 777 case 8: 778 if (bpix != 16) 779 byte_width = width; 780 else 781 byte_width = width * 2; 782 783 for (i = 0; i < height; ++i) { 784 WATCHDOG_RESET(); 785 for (j = 0; j < width; j++) { 786 if (bpix != 16) { 787 FB_PUT_BYTE(fb, bmap); 788 } else { 789 *(uint16_t *)fb = cmap_base[*(bmap++)]; 790 fb += sizeof(uint16_t) / sizeof(*fb); 791 } 792 } 793 bmap += (width - padded_line); 794 fb -= (byte_width + lcd_line_length); 795 } 796 break; 797 798 #if defined(CONFIG_BMP_16BPP) 799 case 16: 800 for (i = 0; i < height; ++i) { 801 WATCHDOG_RESET(); 802 for (j = 0; j < width; j++) 803 fb_put_word(&fb, &bmap); 804 805 bmap += (padded_line - width) * 2; 806 fb -= (width * 2 + lcd_line_length); 807 } 808 break; 809 #endif /* CONFIG_BMP_16BPP */ 810 811 #if defined(CONFIG_BMP_32BPP) 812 case 32: 813 for (i = 0; i < height; ++i) { 814 for (j = 0; j < width; j++) { 815 *(fb++) = *(bmap++); 816 *(fb++) = *(bmap++); 817 *(fb++) = *(bmap++); 818 *(fb++) = *(bmap++); 819 } 820 fb -= (lcd_line_length + width * (bpix / 8)); 821 } 822 break; 823 #endif /* CONFIG_BMP_32BPP */ 824 default: 825 break; 826 }; 827 828 return 0; 829 } 830 #endif 831 832 static void *lcd_logo(void) 833 { 834 #ifdef CONFIG_SPLASH_SCREEN 835 char *s; 836 ulong addr; 837 static int do_splash = 1; 838 839 if (do_splash && (s = getenv("splashimage")) != NULL) { 840 int x = 0, y = 0; 841 do_splash = 0; 842 843 addr = simple_strtoul (s, NULL, 16); 844 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 845 s = getenv("splashpos"); 846 if (s != NULL) { 847 if (s[0] == 'm') 848 x = BMP_ALIGN_CENTER; 849 else 850 x = simple_strtol(s, NULL, 0); 851 852 s = strchr(s + 1, ','); 853 if (s != NULL) { 854 if (s[1] == 'm') 855 y = BMP_ALIGN_CENTER; 856 else 857 y = simple_strtol (s + 1, NULL, 0); 858 } 859 } 860 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 861 862 if (bmp_display(addr, x, y) == 0) 863 return (void *)lcd_base; 864 } 865 #endif /* CONFIG_SPLASH_SCREEN */ 866 867 bitmap_plot(0, 0); 868 869 #ifdef CONFIG_LCD_INFO 870 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 871 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 872 lcd_show_board_info(); 873 #endif /* CONFIG_LCD_INFO */ 874 875 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 876 return (void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length); 877 #else 878 return (void *)lcd_base; 879 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 880 } 881 882 /************************************************************************/ 883 /************************************************************************/ 884