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_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 static void *lcd_logo (void); 83 84 static int lcd_getbgcolor (void); 85 static void lcd_setfgcolor (int color); 86 static void lcd_setbgcolor (int color); 87 88 char lcd_is_enabled = 0; 89 90 #ifdef NOT_USED_SO_FAR 91 static void lcd_getcolreg (ushort regno, 92 ushort *red, ushort *green, ushort *blue); 93 static int lcd_getfgcolor (void); 94 #endif /* NOT_USED_SO_FAR */ 95 96 /************************************************************************/ 97 98 /*----------------------------------------------------------------------*/ 99 100 static void console_scrollup (void) 101 { 102 #if 1 103 /* Copy up rows ignoring the first one */ 104 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 105 106 /* Clear the last one */ 107 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 108 #else 109 /* 110 * Poor attempt to optimize speed by moving "long"s. 111 * But the code is ugly, and not a bit faster :-( 112 */ 113 ulong *t = (ulong *)CONSOLE_ROW_FIRST; 114 ulong *s = (ulong *)CONSOLE_ROW_SECOND; 115 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong); 116 uchar c = lcd_color_bg & 0xFF; 117 ulong val= (c<<24) | (c<<16) | (c<<8) | c; 118 119 while (l--) 120 *t++ = *s++; 121 122 t = (ulong *)CONSOLE_ROW_LAST; 123 l = CONSOLE_ROW_SIZE / sizeof(ulong); 124 125 while (l-- > 0) 126 *t++ = val; 127 #endif 128 } 129 130 /*----------------------------------------------------------------------*/ 131 132 static inline void console_back (void) 133 { 134 if (--console_col < 0) { 135 console_col = CONSOLE_COLS-1 ; 136 if (--console_row < 0) { 137 console_row = 0; 138 } 139 } 140 141 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 142 console_row * VIDEO_FONT_HEIGHT, 143 ' '); 144 } 145 146 /*----------------------------------------------------------------------*/ 147 148 static inline void console_newline (void) 149 { 150 ++console_row; 151 console_col = 0; 152 153 /* Check if we need to scroll the terminal */ 154 if (console_row >= CONSOLE_ROWS) { 155 /* Scroll everything up */ 156 console_scrollup () ; 157 --console_row; 158 } 159 } 160 161 /*----------------------------------------------------------------------*/ 162 163 void lcd_putc (const char c) 164 { 165 if (!lcd_is_enabled) { 166 serial_putc(c); 167 return; 168 } 169 170 switch (c) { 171 case '\r': console_col = 0; 172 return; 173 174 case '\n': console_newline(); 175 return; 176 177 case '\t': /* Tab (8 chars alignment) */ 178 console_col += 8; 179 console_col &= ~7; 180 181 if (console_col >= CONSOLE_COLS) { 182 console_newline(); 183 } 184 return; 185 186 case '\b': console_back(); 187 return; 188 189 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 190 console_row * VIDEO_FONT_HEIGHT, 191 c); 192 if (++console_col >= CONSOLE_COLS) { 193 console_newline(); 194 } 195 return; 196 } 197 /* NOTREACHED */ 198 } 199 200 /*----------------------------------------------------------------------*/ 201 202 void lcd_puts (const char *s) 203 { 204 if (!lcd_is_enabled) { 205 serial_puts (s); 206 return; 207 } 208 209 while (*s) { 210 lcd_putc (*s++); 211 } 212 } 213 214 /*----------------------------------------------------------------------*/ 215 216 void lcd_printf(const char *fmt, ...) 217 { 218 va_list args; 219 char buf[CONFIG_SYS_PBSIZE]; 220 221 va_start(args, fmt); 222 vsprintf(buf, fmt, args); 223 va_end(args); 224 225 lcd_puts(buf); 226 } 227 228 /************************************************************************/ 229 /* ** Low-Level Graphics Routines */ 230 /************************************************************************/ 231 232 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count) 233 { 234 uchar *dest; 235 ushort off, row; 236 237 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 238 off = x * (1 << LCD_BPP) % 8; 239 240 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 241 uchar *s = str; 242 uchar *d = dest; 243 int i; 244 245 #if LCD_BPP == LCD_MONOCHROME 246 uchar rest = *d & -(1 << (8-off)); 247 uchar sym; 248 #endif 249 for (i=0; i<count; ++i) { 250 uchar c, bits; 251 252 c = *s++; 253 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 254 255 #if LCD_BPP == LCD_MONOCHROME 256 sym = (COLOR_MASK(lcd_color_fg) & bits) | 257 (COLOR_MASK(lcd_color_bg) & ~bits); 258 259 *d++ = rest | (sym >> off); 260 rest = sym << (8-off); 261 #elif LCD_BPP == LCD_COLOR8 262 for (c=0; c<8; ++c) { 263 *d++ = (bits & 0x80) ? 264 lcd_color_fg : lcd_color_bg; 265 bits <<= 1; 266 } 267 #elif LCD_BPP == LCD_COLOR16 268 for (c=0; c<16; ++c) { 269 *d++ = (bits & 0x80) ? 270 lcd_color_fg : lcd_color_bg; 271 bits <<= 1; 272 } 273 #endif 274 } 275 #if LCD_BPP == LCD_MONOCHROME 276 *d = rest | (*d & ((1 << (8-off)) - 1)); 277 #endif 278 } 279 } 280 281 /*----------------------------------------------------------------------*/ 282 283 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 284 { 285 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 286 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 287 #else 288 lcd_drawchars (x, y, s, strlen ((char *)s)); 289 #endif 290 } 291 292 /*----------------------------------------------------------------------*/ 293 294 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 295 { 296 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 297 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 298 #else 299 lcd_drawchars (x, y, &c, 1); 300 #endif 301 } 302 303 /************************************************************************/ 304 /** Small utility to check that you got the colours right */ 305 /************************************************************************/ 306 #ifdef LCD_TEST_PATTERN 307 308 #define N_BLK_VERT 2 309 #define N_BLK_HOR 3 310 311 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 312 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 313 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 314 }; 315 316 static void test_pattern (void) 317 { 318 ushort v_max = panel_info.vl_row; 319 ushort h_max = panel_info.vl_col; 320 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 321 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 322 ushort v, h; 323 uchar *pix = (uchar *)lcd_base; 324 325 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 326 h_max, v_max, h_step, v_step); 327 328 /* WARNING: Code silently assumes 8bit/pixel */ 329 for (v=0; v<v_max; ++v) { 330 uchar iy = v / v_step; 331 for (h=0; h<h_max; ++h) { 332 uchar ix = N_BLK_HOR * iy + (h/h_step); 333 *pix++ = test_colors[ix]; 334 } 335 } 336 } 337 #endif /* LCD_TEST_PATTERN */ 338 339 340 /************************************************************************/ 341 /* ** GENERIC Initialization Routines */ 342 /************************************************************************/ 343 344 int drv_lcd_init (void) 345 { 346 struct stdio_dev lcddev; 347 int rc; 348 349 lcd_base = (void *)(gd->fb_base); 350 351 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 352 353 lcd_init (lcd_base); /* LCD initialization */ 354 355 /* Device initialization */ 356 memset (&lcddev, 0, sizeof (lcddev)); 357 358 strcpy (lcddev.name, "lcd"); 359 lcddev.ext = 0; /* No extensions */ 360 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 361 lcddev.putc = lcd_putc; /* 'putc' function */ 362 lcddev.puts = lcd_puts; /* 'puts' function */ 363 364 rc = stdio_register (&lcddev); 365 366 return (rc == 0) ? 1 : rc; 367 } 368 369 /*----------------------------------------------------------------------*/ 370 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 371 { 372 #if LCD_BPP == LCD_MONOCHROME 373 /* Setting the palette */ 374 lcd_initcolregs(); 375 376 #elif LCD_BPP == LCD_COLOR8 377 /* Setting the palette */ 378 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 379 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 380 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 381 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 382 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 383 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 384 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 385 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 386 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 387 #endif 388 389 #ifndef CONFIG_SYS_WHITE_ON_BLACK 390 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 391 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 392 #else 393 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 394 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 395 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 396 397 #ifdef LCD_TEST_PATTERN 398 test_pattern(); 399 #else 400 /* set framebuffer to background color */ 401 memset ((char *)lcd_base, 402 COLOR_MASK(lcd_getbgcolor()), 403 lcd_line_length*panel_info.vl_row); 404 #endif 405 /* Paint the logo and retrieve LCD base address */ 406 debug ("[LCD] Drawing the logo...\n"); 407 lcd_console_address = lcd_logo (); 408 409 console_col = 0; 410 console_row = 0; 411 412 return (0); 413 } 414 415 U_BOOT_CMD( 416 cls, 1, 1, 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 (NULL, 1, 1, NULL); /* dummy args */ 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 = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 459 460 debug ("LCD panel info: %d x %d, %d bit/pix\n", 461 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 462 463 size = line_length * panel_info.vl_row; 464 465 /* Round up to nearest full page */ 466 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 467 468 /* Allocate pages for the frame buffer. */ 469 addr -= size; 470 471 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 472 473 return (addr); 474 } 475 476 /*----------------------------------------------------------------------*/ 477 478 static void lcd_setfgcolor (int color) 479 { 480 #ifdef CONFIG_ATMEL_LCD 481 lcd_color_fg = color; 482 #else 483 lcd_color_fg = color & 0x0F; 484 #endif 485 } 486 487 /*----------------------------------------------------------------------*/ 488 489 static void lcd_setbgcolor (int color) 490 { 491 #ifdef CONFIG_ATMEL_LCD 492 lcd_color_bg = color; 493 #else 494 lcd_color_bg = color & 0x0F; 495 #endif 496 } 497 498 /*----------------------------------------------------------------------*/ 499 500 #ifdef NOT_USED_SO_FAR 501 static int lcd_getfgcolor (void) 502 { 503 return lcd_color_fg; 504 } 505 #endif /* NOT_USED_SO_FAR */ 506 507 /*----------------------------------------------------------------------*/ 508 509 static int lcd_getbgcolor (void) 510 { 511 return lcd_color_bg; 512 } 513 514 /*----------------------------------------------------------------------*/ 515 516 /************************************************************************/ 517 /* ** Chipset depending Bitmap / Logo stuff... */ 518 /************************************************************************/ 519 #ifdef CONFIG_LCD_LOGO 520 void bitmap_plot (int x, int y) 521 { 522 #ifdef CONFIG_ATMEL_LCD 523 uint *cmap; 524 #else 525 ushort *cmap; 526 #endif 527 ushort i, j; 528 uchar *bmap; 529 uchar *fb; 530 ushort *fb16; 531 #if defined(CONFIG_PXA250) 532 struct pxafb_info *fbi = &panel_info.pxa; 533 #elif defined(CONFIG_MPC823) 534 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 535 volatile cpm8xx_t *cp = &(immr->im_cpm); 536 #endif 537 538 debug ("Logo: width %d height %d colors %d cmap %d\n", 539 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 540 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort)))); 541 542 bmap = &bmp_logo_bitmap[0]; 543 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 544 545 if (NBITS(panel_info.vl_bpix) < 12) { 546 /* Leave room for default color map */ 547 #if defined(CONFIG_PXA250) 548 cmap = (ushort *)fbi->palette; 549 #elif defined(CONFIG_MPC823) 550 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 551 #elif defined(CONFIG_ATMEL_LCD) 552 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 553 #endif 554 555 WATCHDOG_RESET(); 556 557 /* Set color map */ 558 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++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 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 592 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 593 for (j=0; j<BMP_LOGO_WIDTH; j++) { 594 fb16[j] = bmp_logo_palette[(bmap[j])]; 595 } 596 bmap += BMP_LOGO_WIDTH; 597 fb16 += panel_info.vl_col; 598 } 599 } 600 601 WATCHDOG_RESET(); 602 } 603 #endif /* CONFIG_LCD_LOGO */ 604 605 /*----------------------------------------------------------------------*/ 606 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 607 /* 608 * Display the BMP file located at address bmp_image. 609 * Only uncompressed. 610 */ 611 612 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 613 #define BMP_ALIGN_CENTER 0x7FFF 614 #endif 615 616 int lcd_display_bitmap(ulong bmp_image, int x, int y) 617 { 618 #if !defined(CONFIG_MCC200) 619 ushort *cmap = NULL; 620 #endif 621 ushort *cmap_base = NULL; 622 ushort i, j; 623 uchar *fb; 624 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 625 uchar *bmap; 626 ushort padded_line; 627 unsigned long width, height, byte_width; 628 unsigned long pwidth = panel_info.vl_col; 629 unsigned colors, bpix, bmp_bpix; 630 unsigned long compression; 631 #if defined(CONFIG_PXA250) 632 struct pxafb_info *fbi = &panel_info.pxa; 633 #elif defined(CONFIG_MPC823) 634 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 635 volatile cpm8xx_t *cp = &(immr->im_cpm); 636 #endif 637 638 if (!((bmp->header.signature[0]=='B') && 639 (bmp->header.signature[1]=='M'))) { 640 printf ("Error: no valid bmp image at %lx\n", bmp_image); 641 return 1; 642 } 643 644 width = le32_to_cpu (bmp->header.width); 645 height = le32_to_cpu (bmp->header.height); 646 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 647 colors = 1 << bmp_bpix; 648 compression = le32_to_cpu (bmp->header.compression); 649 650 bpix = NBITS(panel_info.vl_bpix); 651 652 if ((bpix != 1) && (bpix != 8) && (bpix != 16)) { 653 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 654 bpix, bmp_bpix); 655 return 1; 656 } 657 658 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 659 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) { 660 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 661 bpix, 662 le16_to_cpu(bmp->header.bit_count)); 663 return 1; 664 } 665 666 debug ("Display-bmp: %d x %d with %d colors\n", 667 (int)width, (int)height, (int)colors); 668 669 #if !defined(CONFIG_MCC200) 670 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 671 if (bmp_bpix == 8) { 672 #if defined(CONFIG_PXA250) 673 cmap = (ushort *)fbi->palette; 674 #elif defined(CONFIG_MPC823) 675 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 676 #elif !defined(CONFIG_ATMEL_LCD) 677 cmap = panel_info.cmap; 678 #endif 679 680 cmap_base = cmap; 681 682 /* Set color map */ 683 for (i=0; i<colors; ++i) { 684 bmp_color_table_entry_t cte = bmp->color_table[i]; 685 #if !defined(CONFIG_ATMEL_LCD) 686 ushort colreg = 687 ( ((cte.red) << 8) & 0xf800) | 688 ( ((cte.green) << 3) & 0x07e0) | 689 ( ((cte.blue) >> 3) & 0x001f) ; 690 #ifdef CONFIG_SYS_INVERT_COLORS 691 *cmap = 0xffff - colreg; 692 #else 693 *cmap = colreg; 694 #endif 695 #if defined(CONFIG_MPC823) 696 cmap--; 697 #else 698 cmap++; 699 #endif 700 #else /* CONFIG_ATMEL_LCD */ 701 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 702 #endif 703 } 704 } 705 #endif 706 707 /* 708 * BMP format for Monochrome assumes that the state of a 709 * pixel is described on a per Bit basis, not per Byte. 710 * So, in case of Monochrome BMP we should align widths 711 * on a byte boundary and convert them from Bit to Byte 712 * units. 713 * Probably, PXA250 and MPC823 process 1bpp BMP images in 714 * their own ways, so make the converting to be MCC200 715 * specific. 716 */ 717 #if defined(CONFIG_MCC200) 718 if (bpix==1) 719 { 720 width = ((width + 7) & ~7) >> 3; 721 x = ((x + 7) & ~7) >> 3; 722 pwidth= ((pwidth + 7) & ~7) >> 3; 723 } 724 #endif 725 726 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 727 728 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 729 if (x == BMP_ALIGN_CENTER) 730 x = max(0, (pwidth - width) / 2); 731 else if (x < 0) 732 x = max(0, pwidth - width + x + 1); 733 734 if (y == BMP_ALIGN_CENTER) 735 y = max(0, (panel_info.vl_row - height) / 2); 736 else if (y < 0) 737 y = max(0, panel_info.vl_row - height + y + 1); 738 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 739 740 if ((x + width)>pwidth) 741 width = pwidth - x; 742 if ((y + height)>panel_info.vl_row) 743 height = panel_info.vl_row - y; 744 745 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 746 fb = (uchar *) (lcd_base + 747 (y + height - 1) * lcd_line_length + x); 748 749 switch (bmp_bpix) { 750 case 1: /* pass through */ 751 case 8: 752 if (bpix != 16) 753 byte_width = width; 754 else 755 byte_width = width * 2; 756 757 for (i = 0; i < height; ++i) { 758 WATCHDOG_RESET(); 759 for (j = 0; j < width; j++) { 760 if (bpix != 16) { 761 #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD) 762 *(fb++) = *(bmap++); 763 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 764 *(fb++) = 255 - *(bmap++); 765 #endif 766 } else { 767 *(uint16_t *)fb = cmap_base[*(bmap++)]; 768 fb += sizeof(uint16_t) / sizeof(*fb); 769 } 770 } 771 bmap += (width - padded_line); 772 fb -= (byte_width + lcd_line_length); 773 } 774 break; 775 776 #if defined(CONFIG_BMP_16BPP) 777 case 16: 778 for (i = 0; i < height; ++i) { 779 WATCHDOG_RESET(); 780 for (j = 0; j < width; j++) { 781 #if defined(CONFIG_ATMEL_LCD_BGR555) 782 *(fb++) = ((bmap[0] & 0x1f) << 2) | 783 (bmap[1] & 0x03); 784 *(fb++) = (bmap[0] & 0xe0) | 785 ((bmap[1] & 0x7c) >> 2); 786 bmap += 2; 787 #else 788 *(fb++) = *(bmap++); 789 *(fb++) = *(bmap++); 790 #endif 791 } 792 bmap += (padded_line - width) * 2; 793 fb -= (width * 2 + lcd_line_length); 794 } 795 break; 796 #endif /* CONFIG_BMP_16BPP */ 797 798 default: 799 break; 800 }; 801 802 return (0); 803 } 804 #endif 805 806 static void *lcd_logo (void) 807 { 808 #ifdef CONFIG_SPLASH_SCREEN 809 char *s; 810 ulong addr; 811 static int do_splash = 1; 812 813 if (do_splash && (s = getenv("splashimage")) != NULL) { 814 int x = 0, y = 0; 815 do_splash = 0; 816 817 addr = simple_strtoul (s, NULL, 16); 818 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 819 if ((s = getenv ("splashpos")) != NULL) { 820 if (s[0] == 'm') 821 x = BMP_ALIGN_CENTER; 822 else 823 x = simple_strtol (s, NULL, 0); 824 825 if ((s = strchr (s + 1, ',')) != NULL) { 826 if (s[1] == 'm') 827 y = BMP_ALIGN_CENTER; 828 else 829 y = simple_strtol (s + 1, NULL, 0); 830 } 831 } 832 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 833 834 #ifdef CONFIG_VIDEO_BMP_GZIP 835 bmp_image_t *bmp = (bmp_image_t *)addr; 836 unsigned long len; 837 838 if (!((bmp->header.signature[0]=='B') && 839 (bmp->header.signature[1]=='M'))) { 840 addr = (ulong)gunzip_bmp(addr, &len); 841 } 842 #endif 843 844 if (lcd_display_bitmap (addr, x, y) == 0) { 845 return ((void *)lcd_base); 846 } 847 } 848 #endif /* CONFIG_SPLASH_SCREEN */ 849 850 #ifdef CONFIG_LCD_LOGO 851 bitmap_plot (0, 0); 852 #endif /* CONFIG_LCD_LOGO */ 853 854 #ifdef CONFIG_LCD_INFO 855 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 856 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 857 lcd_show_board_info(); 858 #endif /* CONFIG_LCD_INFO */ 859 860 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 861 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 862 #else 863 return ((void *)lcd_base); 864 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 865 } 866 867 /************************************************************************/ 868 /************************************************************************/ 869