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) && (LCD_BPP != LCD_COLOR16) 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 /* Copy up rows ignoring the first one */ 103 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE); 104 105 /* Clear the last one */ 106 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE); 107 } 108 109 /*----------------------------------------------------------------------*/ 110 111 static inline void console_back (void) 112 { 113 if (--console_col < 0) { 114 console_col = CONSOLE_COLS-1 ; 115 if (--console_row < 0) { 116 console_row = 0; 117 } 118 } 119 120 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 121 console_row * VIDEO_FONT_HEIGHT, 122 ' '); 123 } 124 125 /*----------------------------------------------------------------------*/ 126 127 static inline void console_newline (void) 128 { 129 ++console_row; 130 console_col = 0; 131 132 /* Check if we need to scroll the terminal */ 133 if (console_row >= CONSOLE_ROWS) { 134 /* Scroll everything up */ 135 console_scrollup () ; 136 --console_row; 137 } 138 } 139 140 /*----------------------------------------------------------------------*/ 141 142 void lcd_putc (const char c) 143 { 144 if (!lcd_is_enabled) { 145 serial_putc(c); 146 return; 147 } 148 149 switch (c) { 150 case '\r': console_col = 0; 151 return; 152 153 case '\n': console_newline(); 154 return; 155 156 case '\t': /* Tab (8 chars alignment) */ 157 console_col += 8; 158 console_col &= ~7; 159 160 if (console_col >= CONSOLE_COLS) { 161 console_newline(); 162 } 163 return; 164 165 case '\b': console_back(); 166 return; 167 168 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH, 169 console_row * VIDEO_FONT_HEIGHT, 170 c); 171 if (++console_col >= CONSOLE_COLS) { 172 console_newline(); 173 } 174 return; 175 } 176 /* NOTREACHED */ 177 } 178 179 /*----------------------------------------------------------------------*/ 180 181 void lcd_puts (const char *s) 182 { 183 if (!lcd_is_enabled) { 184 serial_puts (s); 185 return; 186 } 187 188 while (*s) { 189 lcd_putc (*s++); 190 } 191 } 192 193 /*----------------------------------------------------------------------*/ 194 195 void lcd_printf(const char *fmt, ...) 196 { 197 va_list args; 198 char buf[CONFIG_SYS_PBSIZE]; 199 200 va_start(args, fmt); 201 vsprintf(buf, fmt, args); 202 va_end(args); 203 204 lcd_puts(buf); 205 } 206 207 /************************************************************************/ 208 /* ** Low-Level Graphics Routines */ 209 /************************************************************************/ 210 211 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count) 212 { 213 uchar *dest; 214 ushort off, row; 215 216 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 217 off = x * (1 << LCD_BPP) % 8; 218 219 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 220 uchar *s = str; 221 int i; 222 #if LCD_BPP == LCD_COLOR16 223 ushort *d = (ushort *)dest; 224 #else 225 uchar *d = dest; 226 #endif 227 228 #if LCD_BPP == LCD_MONOCHROME 229 uchar rest = *d & -(1 << (8-off)); 230 uchar sym; 231 #endif 232 for (i=0; i<count; ++i) { 233 uchar c, bits; 234 235 c = *s++; 236 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 237 238 #if LCD_BPP == LCD_MONOCHROME 239 sym = (COLOR_MASK(lcd_color_fg) & bits) | 240 (COLOR_MASK(lcd_color_bg) & ~bits); 241 242 *d++ = rest | (sym >> off); 243 rest = sym << (8-off); 244 #elif LCD_BPP == LCD_COLOR8 245 for (c=0; c<8; ++c) { 246 *d++ = (bits & 0x80) ? 247 lcd_color_fg : lcd_color_bg; 248 bits <<= 1; 249 } 250 #elif LCD_BPP == LCD_COLOR16 251 for (c=0; c<8; ++c) { 252 *d++ = (bits & 0x80) ? 253 lcd_color_fg : lcd_color_bg; 254 bits <<= 1; 255 } 256 #endif 257 } 258 #if LCD_BPP == LCD_MONOCHROME 259 *d = rest | (*d & ((1 << (8-off)) - 1)); 260 #endif 261 } 262 } 263 264 /*----------------------------------------------------------------------*/ 265 266 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 267 { 268 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 269 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 270 #else 271 lcd_drawchars (x, y, s, strlen ((char *)s)); 272 #endif 273 } 274 275 /*----------------------------------------------------------------------*/ 276 277 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 278 { 279 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 280 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 281 #else 282 lcd_drawchars (x, y, &c, 1); 283 #endif 284 } 285 286 /************************************************************************/ 287 /** Small utility to check that you got the colours right */ 288 /************************************************************************/ 289 #ifdef LCD_TEST_PATTERN 290 291 #define N_BLK_VERT 2 292 #define N_BLK_HOR 3 293 294 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 295 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 296 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 297 }; 298 299 static void test_pattern (void) 300 { 301 ushort v_max = panel_info.vl_row; 302 ushort h_max = panel_info.vl_col; 303 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 304 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 305 ushort v, h; 306 uchar *pix = (uchar *)lcd_base; 307 308 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 309 h_max, v_max, h_step, v_step); 310 311 /* WARNING: Code silently assumes 8bit/pixel */ 312 for (v=0; v<v_max; ++v) { 313 uchar iy = v / v_step; 314 for (h=0; h<h_max; ++h) { 315 uchar ix = N_BLK_HOR * iy + (h/h_step); 316 *pix++ = test_colors[ix]; 317 } 318 } 319 } 320 #endif /* LCD_TEST_PATTERN */ 321 322 323 /************************************************************************/ 324 /* ** GENERIC Initialization Routines */ 325 /************************************************************************/ 326 327 int drv_lcd_init (void) 328 { 329 struct stdio_dev lcddev; 330 int rc; 331 332 lcd_base = (void *)(gd->fb_base); 333 334 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 335 336 lcd_init (lcd_base); /* LCD initialization */ 337 338 /* Device initialization */ 339 memset (&lcddev, 0, sizeof (lcddev)); 340 341 strcpy (lcddev.name, "lcd"); 342 lcddev.ext = 0; /* No extensions */ 343 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 344 lcddev.putc = lcd_putc; /* 'putc' function */ 345 lcddev.puts = lcd_puts; /* 'puts' function */ 346 347 rc = stdio_register (&lcddev); 348 349 return (rc == 0) ? 1 : rc; 350 } 351 352 /*----------------------------------------------------------------------*/ 353 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 354 { 355 #if LCD_BPP == LCD_MONOCHROME 356 /* Setting the palette */ 357 lcd_initcolregs(); 358 359 #elif LCD_BPP == LCD_COLOR8 360 /* Setting the palette */ 361 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 362 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 363 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 364 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 365 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 366 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 367 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 368 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 369 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 370 #endif 371 372 #ifndef CONFIG_SYS_WHITE_ON_BLACK 373 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 374 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 375 #else 376 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 377 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 378 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 379 380 #ifdef LCD_TEST_PATTERN 381 test_pattern(); 382 #else 383 /* set framebuffer to background color */ 384 memset ((char *)lcd_base, 385 COLOR_MASK(lcd_getbgcolor()), 386 lcd_line_length*panel_info.vl_row); 387 #endif 388 /* Paint the logo and retrieve LCD base address */ 389 debug ("[LCD] Drawing the logo...\n"); 390 lcd_console_address = lcd_logo (); 391 392 console_col = 0; 393 console_row = 0; 394 395 return (0); 396 } 397 398 U_BOOT_CMD( 399 cls, 1, 1, lcd_clear, 400 "clear screen", 401 "" 402 ); 403 404 /*----------------------------------------------------------------------*/ 405 406 static int lcd_init (void *lcdbase) 407 { 408 /* Initialize the lcd controller */ 409 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 410 411 lcd_ctrl_init (lcdbase); 412 lcd_is_enabled = 1; 413 lcd_clear (NULL, 1, 1, NULL); /* dummy args */ 414 lcd_enable (); 415 416 /* Initialize the console */ 417 console_col = 0; 418 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 419 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 420 #else 421 console_row = 1; /* leave 1 blank line below logo */ 422 #endif 423 424 return 0; 425 } 426 427 428 /************************************************************************/ 429 /* ** ROM capable initialization part - needed to reserve FB memory */ 430 /************************************************************************/ 431 /* 432 * This is called early in the system initialization to grab memory 433 * for the LCD controller. 434 * Returns new address for monitor, after reserving LCD buffer memory 435 * 436 * Note that this is running from ROM, so no write access to global data. 437 */ 438 ulong lcd_setmem (ulong addr) 439 { 440 ulong size; 441 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 442 443 debug ("LCD panel info: %d x %d, %d bit/pix\n", 444 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 445 446 size = line_length * panel_info.vl_row; 447 448 /* Round up to nearest full page */ 449 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 450 451 /* Allocate pages for the frame buffer. */ 452 addr -= size; 453 454 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 455 456 return (addr); 457 } 458 459 /*----------------------------------------------------------------------*/ 460 461 static void lcd_setfgcolor (int color) 462 { 463 lcd_color_fg = color; 464 } 465 466 /*----------------------------------------------------------------------*/ 467 468 static void lcd_setbgcolor (int color) 469 { 470 lcd_color_bg = color; 471 } 472 473 /*----------------------------------------------------------------------*/ 474 475 #ifdef NOT_USED_SO_FAR 476 static int lcd_getfgcolor (void) 477 { 478 return lcd_color_fg; 479 } 480 #endif /* NOT_USED_SO_FAR */ 481 482 /*----------------------------------------------------------------------*/ 483 484 static int lcd_getbgcolor (void) 485 { 486 return lcd_color_bg; 487 } 488 489 /*----------------------------------------------------------------------*/ 490 491 /************************************************************************/ 492 /* ** Chipset depending Bitmap / Logo stuff... */ 493 /************************************************************************/ 494 #ifdef CONFIG_LCD_LOGO 495 void bitmap_plot (int x, int y) 496 { 497 #ifdef CONFIG_ATMEL_LCD 498 uint *cmap; 499 #else 500 ushort *cmap; 501 #endif 502 ushort i, j; 503 uchar *bmap; 504 uchar *fb; 505 ushort *fb16; 506 #if defined(CONFIG_PXA250) 507 struct pxafb_info *fbi = &panel_info.pxa; 508 #elif defined(CONFIG_MPC823) 509 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 510 volatile cpm8xx_t *cp = &(immr->im_cpm); 511 #endif 512 513 debug ("Logo: width %d height %d colors %d cmap %d\n", 514 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 515 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort)))); 516 517 bmap = &bmp_logo_bitmap[0]; 518 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 519 520 if (NBITS(panel_info.vl_bpix) < 12) { 521 /* Leave room for default color map */ 522 #if defined(CONFIG_PXA250) 523 cmap = (ushort *)fbi->palette; 524 #elif defined(CONFIG_MPC823) 525 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 526 #elif defined(CONFIG_ATMEL_LCD) 527 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 528 #else 529 /* 530 * default case: generic system with no cmap (most likely 16bpp) 531 * We set cmap to the source palette, so no change is done. 532 * This avoids even more ifdef in the next stanza 533 */ 534 cmap = bmp_logo_palette; 535 #endif 536 537 WATCHDOG_RESET(); 538 539 /* Set color map */ 540 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { 541 ushort colreg = bmp_logo_palette[i]; 542 #ifdef CONFIG_ATMEL_LCD 543 uint lut_entry; 544 #ifdef CONFIG_ATMEL_LCD_BGR555 545 lut_entry = ((colreg & 0x000F) << 11) | 546 ((colreg & 0x00F0) << 2) | 547 ((colreg & 0x0F00) >> 7); 548 #else /* CONFIG_ATMEL_LCD_RGB565 */ 549 lut_entry = ((colreg & 0x000F) << 1) | 550 ((colreg & 0x00F0) << 3) | 551 ((colreg & 0x0F00) << 4); 552 #endif 553 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 554 cmap++; 555 #else /* !CONFIG_ATMEL_LCD */ 556 #ifdef CONFIG_SYS_INVERT_COLORS 557 *cmap++ = 0xffff - colreg; 558 #else 559 *cmap++ = colreg; 560 #endif 561 #endif /* CONFIG_ATMEL_LCD */ 562 } 563 564 WATCHDOG_RESET(); 565 566 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 567 memcpy (fb, bmap, BMP_LOGO_WIDTH); 568 bmap += BMP_LOGO_WIDTH; 569 fb += panel_info.vl_col; 570 } 571 } 572 else { /* true color mode */ 573 u16 col16; 574 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 575 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 576 for (j=0; j<BMP_LOGO_WIDTH; j++) { 577 col16 = bmp_logo_palette[(bmap[j]-16)]; 578 fb16[j] = 579 ((col16 & 0x000F) << 1) | 580 ((col16 & 0x00F0) << 3) | 581 ((col16 & 0x0F00) << 4); 582 } 583 bmap += BMP_LOGO_WIDTH; 584 fb16 += panel_info.vl_col; 585 } 586 } 587 588 WATCHDOG_RESET(); 589 } 590 #endif /* CONFIG_LCD_LOGO */ 591 592 /*----------------------------------------------------------------------*/ 593 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 594 /* 595 * Display the BMP file located at address bmp_image. 596 * Only uncompressed. 597 */ 598 599 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 600 #define BMP_ALIGN_CENTER 0x7FFF 601 #endif 602 603 int lcd_display_bitmap(ulong bmp_image, int x, int y) 604 { 605 #if !defined(CONFIG_MCC200) 606 ushort *cmap = NULL; 607 #endif 608 ushort *cmap_base = NULL; 609 ushort i, j; 610 uchar *fb; 611 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 612 uchar *bmap; 613 ushort padded_line; 614 unsigned long width, height, byte_width; 615 unsigned long pwidth = panel_info.vl_col; 616 unsigned colors, bpix, bmp_bpix; 617 unsigned long compression; 618 #if defined(CONFIG_PXA250) 619 struct pxafb_info *fbi = &panel_info.pxa; 620 #elif defined(CONFIG_MPC823) 621 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 622 volatile cpm8xx_t *cp = &(immr->im_cpm); 623 #endif 624 625 if (!((bmp->header.signature[0]=='B') && 626 (bmp->header.signature[1]=='M'))) { 627 printf ("Error: no valid bmp image at %lx\n", bmp_image); 628 return 1; 629 } 630 631 width = le32_to_cpu (bmp->header.width); 632 height = le32_to_cpu (bmp->header.height); 633 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 634 colors = 1 << bmp_bpix; 635 compression = le32_to_cpu (bmp->header.compression); 636 637 bpix = NBITS(panel_info.vl_bpix); 638 639 if ((bpix != 1) && (bpix != 8) && (bpix != 16)) { 640 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 641 bpix, bmp_bpix); 642 return 1; 643 } 644 645 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 646 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) { 647 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 648 bpix, 649 le16_to_cpu(bmp->header.bit_count)); 650 return 1; 651 } 652 653 debug ("Display-bmp: %d x %d with %d colors\n", 654 (int)width, (int)height, (int)colors); 655 656 #if !defined(CONFIG_MCC200) 657 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 658 if (bmp_bpix == 8) { 659 #if defined(CONFIG_PXA250) 660 cmap = (ushort *)fbi->palette; 661 #elif defined(CONFIG_MPC823) 662 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 663 #elif !defined(CONFIG_ATMEL_LCD) 664 cmap = panel_info.cmap; 665 #endif 666 667 cmap_base = cmap; 668 669 /* Set color map */ 670 for (i=0; i<colors; ++i) { 671 bmp_color_table_entry_t cte = bmp->color_table[i]; 672 #if !defined(CONFIG_ATMEL_LCD) 673 ushort colreg = 674 ( ((cte.red) << 8) & 0xf800) | 675 ( ((cte.green) << 3) & 0x07e0) | 676 ( ((cte.blue) >> 3) & 0x001f) ; 677 #ifdef CONFIG_SYS_INVERT_COLORS 678 *cmap = 0xffff - colreg; 679 #else 680 *cmap = colreg; 681 #endif 682 #if defined(CONFIG_MPC823) 683 cmap--; 684 #else 685 cmap++; 686 #endif 687 #else /* CONFIG_ATMEL_LCD */ 688 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 689 #endif 690 } 691 } 692 #endif 693 694 /* 695 * BMP format for Monochrome assumes that the state of a 696 * pixel is described on a per Bit basis, not per Byte. 697 * So, in case of Monochrome BMP we should align widths 698 * on a byte boundary and convert them from Bit to Byte 699 * units. 700 * Probably, PXA250 and MPC823 process 1bpp BMP images in 701 * their own ways, so make the converting to be MCC200 702 * specific. 703 */ 704 #if defined(CONFIG_MCC200) 705 if (bpix==1) 706 { 707 width = ((width + 7) & ~7) >> 3; 708 x = ((x + 7) & ~7) >> 3; 709 pwidth= ((pwidth + 7) & ~7) >> 3; 710 } 711 #endif 712 713 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 714 715 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 716 if (x == BMP_ALIGN_CENTER) 717 x = max(0, (pwidth - width) / 2); 718 else if (x < 0) 719 x = max(0, pwidth - width + x + 1); 720 721 if (y == BMP_ALIGN_CENTER) 722 y = max(0, (panel_info.vl_row - height) / 2); 723 else if (y < 0) 724 y = max(0, panel_info.vl_row - height + y + 1); 725 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 726 727 if ((x + width)>pwidth) 728 width = pwidth - x; 729 if ((y + height)>panel_info.vl_row) 730 height = panel_info.vl_row - y; 731 732 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 733 fb = (uchar *) (lcd_base + 734 (y + height - 1) * lcd_line_length + x); 735 736 switch (bmp_bpix) { 737 case 1: /* pass through */ 738 case 8: 739 if (bpix != 16) 740 byte_width = width; 741 else 742 byte_width = width * 2; 743 744 for (i = 0; i < height; ++i) { 745 WATCHDOG_RESET(); 746 for (j = 0; j < width; j++) { 747 if (bpix != 16) { 748 #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD) 749 *(fb++) = *(bmap++); 750 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 751 *(fb++) = 255 - *(bmap++); 752 #endif 753 } else { 754 *(uint16_t *)fb = cmap_base[*(bmap++)]; 755 fb += sizeof(uint16_t) / sizeof(*fb); 756 } 757 } 758 bmap += (width - padded_line); 759 fb -= (byte_width + lcd_line_length); 760 } 761 break; 762 763 #if defined(CONFIG_BMP_16BPP) 764 case 16: 765 for (i = 0; i < height; ++i) { 766 WATCHDOG_RESET(); 767 for (j = 0; j < width; j++) { 768 #if defined(CONFIG_ATMEL_LCD_BGR555) 769 *(fb++) = ((bmap[0] & 0x1f) << 2) | 770 (bmap[1] & 0x03); 771 *(fb++) = (bmap[0] & 0xe0) | 772 ((bmap[1] & 0x7c) >> 2); 773 bmap += 2; 774 #else 775 *(fb++) = *(bmap++); 776 *(fb++) = *(bmap++); 777 #endif 778 } 779 bmap += (padded_line - width) * 2; 780 fb -= (width * 2 + lcd_line_length); 781 } 782 break; 783 #endif /* CONFIG_BMP_16BPP */ 784 785 default: 786 break; 787 }; 788 789 return (0); 790 } 791 #endif 792 793 static void *lcd_logo (void) 794 { 795 #ifdef CONFIG_SPLASH_SCREEN 796 char *s; 797 ulong addr; 798 static int do_splash = 1; 799 800 if (do_splash && (s = getenv("splashimage")) != NULL) { 801 int x = 0, y = 0; 802 do_splash = 0; 803 804 addr = simple_strtoul (s, NULL, 16); 805 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 806 if ((s = getenv ("splashpos")) != NULL) { 807 if (s[0] == 'm') 808 x = BMP_ALIGN_CENTER; 809 else 810 x = simple_strtol (s, NULL, 0); 811 812 if ((s = strchr (s + 1, ',')) != NULL) { 813 if (s[1] == 'm') 814 y = BMP_ALIGN_CENTER; 815 else 816 y = simple_strtol (s + 1, NULL, 0); 817 } 818 } 819 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 820 821 #ifdef CONFIG_VIDEO_BMP_GZIP 822 bmp_image_t *bmp = (bmp_image_t *)addr; 823 unsigned long len; 824 825 if (!((bmp->header.signature[0]=='B') && 826 (bmp->header.signature[1]=='M'))) { 827 addr = (ulong)gunzip_bmp(addr, &len); 828 } 829 #endif 830 831 if (lcd_display_bitmap (addr, x, y) == 0) { 832 return ((void *)lcd_base); 833 } 834 } 835 #endif /* CONFIG_SPLASH_SCREEN */ 836 837 #ifdef CONFIG_LCD_LOGO 838 bitmap_plot (0, 0); 839 #endif /* CONFIG_LCD_LOGO */ 840 841 #ifdef CONFIG_LCD_INFO 842 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 843 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 844 lcd_show_board_info(); 845 #endif /* CONFIG_LCD_INFO */ 846 847 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 848 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 849 #else 850 return ((void *)lcd_base); 851 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 852 } 853 854 /************************************************************************/ 855 /************************************************************************/ 856