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