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 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS 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 # include <bmp_logo_data.h> 67 # if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16) 68 # error Default Color Map overlaps with Logo Color Map 69 # endif 70 #endif 71 72 DECLARE_GLOBAL_DATA_PTR; 73 74 ulong lcd_setmem (ulong addr); 75 76 static void lcd_drawchars (ushort x, ushort y, uchar *str, int count); 77 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s); 78 static inline void lcd_putc_xy (ushort x, ushort y, uchar c); 79 80 static int lcd_init (void *lcdbase); 81 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 row; 215 216 #if LCD_BPP == LCD_MONOCHROME 217 ushort off = x * (1 << LCD_BPP) % 8; 218 #endif 219 220 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8); 221 222 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) { 223 uchar *s = str; 224 int i; 225 #if LCD_BPP == LCD_COLOR16 226 ushort *d = (ushort *)dest; 227 #else 228 uchar *d = dest; 229 #endif 230 231 #if LCD_BPP == LCD_MONOCHROME 232 uchar rest = *d & -(1 << (8-off)); 233 uchar sym; 234 #endif 235 for (i=0; i<count; ++i) { 236 uchar c, bits; 237 238 c = *s++; 239 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 240 241 #if LCD_BPP == LCD_MONOCHROME 242 sym = (COLOR_MASK(lcd_color_fg) & bits) | 243 (COLOR_MASK(lcd_color_bg) & ~bits); 244 245 *d++ = rest | (sym >> off); 246 rest = sym << (8-off); 247 #elif LCD_BPP == LCD_COLOR8 248 for (c=0; c<8; ++c) { 249 *d++ = (bits & 0x80) ? 250 lcd_color_fg : lcd_color_bg; 251 bits <<= 1; 252 } 253 #elif LCD_BPP == LCD_COLOR16 254 for (c=0; c<8; ++c) { 255 *d++ = (bits & 0x80) ? 256 lcd_color_fg : lcd_color_bg; 257 bits <<= 1; 258 } 259 #endif 260 } 261 #if LCD_BPP == LCD_MONOCHROME 262 *d = rest | (*d & ((1 << (8-off)) - 1)); 263 #endif 264 } 265 } 266 267 /*----------------------------------------------------------------------*/ 268 269 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 270 { 271 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 272 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 273 #else 274 lcd_drawchars (x, y, s, strlen ((char *)s)); 275 #endif 276 } 277 278 /*----------------------------------------------------------------------*/ 279 280 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 281 { 282 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 283 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 284 #else 285 lcd_drawchars (x, y, &c, 1); 286 #endif 287 } 288 289 /************************************************************************/ 290 /** Small utility to check that you got the colours right */ 291 /************************************************************************/ 292 #ifdef LCD_TEST_PATTERN 293 294 #define N_BLK_VERT 2 295 #define N_BLK_HOR 3 296 297 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 298 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 299 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 300 }; 301 302 static void test_pattern (void) 303 { 304 ushort v_max = panel_info.vl_row; 305 ushort h_max = panel_info.vl_col; 306 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 307 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 308 ushort v, h; 309 uchar *pix = (uchar *)lcd_base; 310 311 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 312 h_max, v_max, h_step, v_step); 313 314 /* WARNING: Code silently assumes 8bit/pixel */ 315 for (v=0; v<v_max; ++v) { 316 uchar iy = v / v_step; 317 for (h=0; h<h_max; ++h) { 318 uchar ix = N_BLK_HOR * iy + (h/h_step); 319 *pix++ = test_colors[ix]; 320 } 321 } 322 } 323 #endif /* LCD_TEST_PATTERN */ 324 325 326 /************************************************************************/ 327 /* ** GENERIC Initialization Routines */ 328 /************************************************************************/ 329 330 int drv_lcd_init (void) 331 { 332 struct stdio_dev lcddev; 333 int rc; 334 335 lcd_base = (void *)(gd->fb_base); 336 337 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 338 339 lcd_init (lcd_base); /* LCD initialization */ 340 341 /* Device initialization */ 342 memset (&lcddev, 0, sizeof (lcddev)); 343 344 strcpy (lcddev.name, "lcd"); 345 lcddev.ext = 0; /* No extensions */ 346 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 347 lcddev.putc = lcd_putc; /* 'putc' function */ 348 lcddev.puts = lcd_puts; /* 'puts' function */ 349 350 rc = stdio_register (&lcddev); 351 352 return (rc == 0) ? 1 : rc; 353 } 354 355 /*----------------------------------------------------------------------*/ 356 static 357 int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 358 { 359 lcd_clear(); 360 return 0; 361 } 362 363 void lcd_clear(void) 364 { 365 #if LCD_BPP == LCD_MONOCHROME 366 /* Setting the palette */ 367 lcd_initcolregs(); 368 369 #elif LCD_BPP == LCD_COLOR8 370 /* Setting the palette */ 371 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 372 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 373 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 374 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 375 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 376 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 377 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 378 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 379 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 380 #endif 381 382 #ifndef CONFIG_SYS_WHITE_ON_BLACK 383 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 384 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 385 #else 386 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 387 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 388 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 389 390 #ifdef LCD_TEST_PATTERN 391 test_pattern(); 392 #else 393 /* set framebuffer to background color */ 394 memset ((char *)lcd_base, 395 COLOR_MASK(lcd_getbgcolor()), 396 lcd_line_length*panel_info.vl_row); 397 #endif 398 /* Paint the logo and retrieve LCD base address */ 399 debug ("[LCD] Drawing the logo...\n"); 400 lcd_console_address = lcd_logo (); 401 402 console_col = 0; 403 console_row = 0; 404 } 405 406 U_BOOT_CMD( 407 cls, 1, 1, do_lcd_clear, 408 "clear screen", 409 "" 410 ); 411 412 /*----------------------------------------------------------------------*/ 413 414 static int lcd_init (void *lcdbase) 415 { 416 /* Initialize the lcd controller */ 417 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 418 419 lcd_ctrl_init (lcdbase); 420 lcd_is_enabled = 1; 421 lcd_clear(); 422 lcd_enable (); 423 424 /* Initialize the console */ 425 console_col = 0; 426 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 427 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 428 #else 429 console_row = 1; /* leave 1 blank line below logo */ 430 #endif 431 432 return 0; 433 } 434 435 436 /************************************************************************/ 437 /* ** ROM capable initialization part - needed to reserve FB memory */ 438 /************************************************************************/ 439 /* 440 * This is called early in the system initialization to grab memory 441 * for the LCD controller. 442 * Returns new address for monitor, after reserving LCD buffer memory 443 * 444 * Note that this is running from ROM, so no write access to global data. 445 */ 446 ulong lcd_setmem (ulong addr) 447 { 448 ulong size; 449 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 450 451 debug ("LCD panel info: %d x %d, %d bit/pix\n", 452 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 453 454 size = line_length * panel_info.vl_row; 455 456 /* Round up to nearest full page */ 457 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 458 459 /* Allocate pages for the frame buffer. */ 460 addr -= size; 461 462 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 463 464 return (addr); 465 } 466 467 /*----------------------------------------------------------------------*/ 468 469 static void lcd_setfgcolor (int color) 470 { 471 lcd_color_fg = color; 472 } 473 474 /*----------------------------------------------------------------------*/ 475 476 static void lcd_setbgcolor (int color) 477 { 478 lcd_color_bg = color; 479 } 480 481 /*----------------------------------------------------------------------*/ 482 483 #ifdef NOT_USED_SO_FAR 484 static int lcd_getfgcolor (void) 485 { 486 return lcd_color_fg; 487 } 488 #endif /* NOT_USED_SO_FAR */ 489 490 /*----------------------------------------------------------------------*/ 491 492 static int lcd_getbgcolor (void) 493 { 494 return lcd_color_bg; 495 } 496 497 /*----------------------------------------------------------------------*/ 498 499 /************************************************************************/ 500 /* ** Chipset depending Bitmap / Logo stuff... */ 501 /************************************************************************/ 502 #ifdef CONFIG_LCD_LOGO 503 void bitmap_plot (int x, int y) 504 { 505 #ifdef CONFIG_ATMEL_LCD 506 uint *cmap; 507 #else 508 ushort *cmap; 509 #endif 510 ushort i, j; 511 uchar *bmap; 512 uchar *fb; 513 ushort *fb16; 514 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS 515 struct pxafb_info *fbi = &panel_info.pxa; 516 #elif defined(CONFIG_MPC823) 517 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 518 volatile cpm8xx_t *cp = &(immr->im_cpm); 519 #endif 520 521 debug ("Logo: width %d height %d colors %d cmap %d\n", 522 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 523 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort)))); 524 525 bmap = &bmp_logo_bitmap[0]; 526 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 527 528 if (NBITS(panel_info.vl_bpix) < 12) { 529 /* Leave room for default color map */ 530 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS 531 cmap = (ushort *)fbi->palette; 532 #elif defined(CONFIG_MPC823) 533 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 534 #elif defined(CONFIG_ATMEL_LCD) 535 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 536 #else 537 /* 538 * default case: generic system with no cmap (most likely 16bpp) 539 * We set cmap to the source palette, so no change is done. 540 * This avoids even more ifdef in the next stanza 541 */ 542 cmap = bmp_logo_palette; 543 #endif 544 545 WATCHDOG_RESET(); 546 547 /* Set color map */ 548 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { 549 ushort colreg = bmp_logo_palette[i]; 550 #ifdef CONFIG_ATMEL_LCD 551 uint lut_entry; 552 #ifdef CONFIG_ATMEL_LCD_BGR555 553 lut_entry = ((colreg & 0x000F) << 11) | 554 ((colreg & 0x00F0) << 2) | 555 ((colreg & 0x0F00) >> 7); 556 #else /* CONFIG_ATMEL_LCD_RGB565 */ 557 lut_entry = ((colreg & 0x000F) << 1) | 558 ((colreg & 0x00F0) << 3) | 559 ((colreg & 0x0F00) << 4); 560 #endif 561 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 562 cmap++; 563 #else /* !CONFIG_ATMEL_LCD */ 564 #ifdef CONFIG_SYS_INVERT_COLORS 565 *cmap++ = 0xffff - colreg; 566 #else 567 *cmap++ = colreg; 568 #endif 569 #endif /* CONFIG_ATMEL_LCD */ 570 } 571 572 WATCHDOG_RESET(); 573 574 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 575 memcpy (fb, bmap, BMP_LOGO_WIDTH); 576 bmap += BMP_LOGO_WIDTH; 577 fb += panel_info.vl_col; 578 } 579 } 580 else { /* true color mode */ 581 u16 col16; 582 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 583 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 584 for (j=0; j<BMP_LOGO_WIDTH; j++) { 585 col16 = bmp_logo_palette[(bmap[j]-16)]; 586 fb16[j] = 587 ((col16 & 0x000F) << 1) | 588 ((col16 & 0x00F0) << 3) | 589 ((col16 & 0x0F00) << 4); 590 } 591 bmap += BMP_LOGO_WIDTH; 592 fb16 += panel_info.vl_col; 593 } 594 } 595 596 WATCHDOG_RESET(); 597 } 598 #endif /* CONFIG_LCD_LOGO */ 599 600 /*----------------------------------------------------------------------*/ 601 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 602 /* 603 * Display the BMP file located at address bmp_image. 604 * Only uncompressed. 605 */ 606 607 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 608 #define BMP_ALIGN_CENTER 0x7FFF 609 #endif 610 611 int lcd_display_bitmap(ulong bmp_image, int x, int y) 612 { 613 #if !defined(CONFIG_MCC200) 614 ushort *cmap = NULL; 615 #endif 616 ushort *cmap_base = NULL; 617 ushort i, j; 618 uchar *fb; 619 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 620 uchar *bmap; 621 ushort padded_line; 622 unsigned long width, height, byte_width; 623 unsigned long pwidth = panel_info.vl_col; 624 unsigned colors, bpix, bmp_bpix; 625 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS 626 struct pxafb_info *fbi = &panel_info.pxa; 627 #elif defined(CONFIG_MPC823) 628 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 629 volatile cpm8xx_t *cp = &(immr->im_cpm); 630 #endif 631 632 if (!((bmp->header.signature[0]=='B') && 633 (bmp->header.signature[1]=='M'))) { 634 printf ("Error: no valid bmp image at %lx\n", bmp_image); 635 return 1; 636 } 637 638 width = le32_to_cpu (bmp->header.width); 639 height = le32_to_cpu (bmp->header.height); 640 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 641 colors = 1 << bmp_bpix; 642 643 bpix = NBITS(panel_info.vl_bpix); 644 645 if ((bpix != 1) && (bpix != 8) && (bpix != 16)) { 646 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 647 bpix, bmp_bpix); 648 return 1; 649 } 650 651 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 652 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) { 653 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 654 bpix, 655 le16_to_cpu(bmp->header.bit_count)); 656 return 1; 657 } 658 659 debug ("Display-bmp: %d x %d with %d colors\n", 660 (int)width, (int)height, (int)colors); 661 662 #if !defined(CONFIG_MCC200) 663 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 664 if (bmp_bpix == 8) { 665 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS 666 cmap = (ushort *)fbi->palette; 667 #elif defined(CONFIG_MPC823) 668 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 669 #elif !defined(CONFIG_ATMEL_LCD) 670 cmap = panel_info.cmap; 671 #endif 672 673 cmap_base = cmap; 674 675 /* Set color map */ 676 for (i=0; i<colors; ++i) { 677 bmp_color_table_entry_t cte = bmp->color_table[i]; 678 #if !defined(CONFIG_ATMEL_LCD) 679 ushort colreg = 680 ( ((cte.red) << 8) & 0xf800) | 681 ( ((cte.green) << 3) & 0x07e0) | 682 ( ((cte.blue) >> 3) & 0x001f) ; 683 #ifdef CONFIG_SYS_INVERT_COLORS 684 *cmap = 0xffff - colreg; 685 #else 686 *cmap = colreg; 687 #endif 688 #if defined(CONFIG_MPC823) 689 cmap--; 690 #else 691 cmap++; 692 #endif 693 #else /* CONFIG_ATMEL_LCD */ 694 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 695 #endif 696 } 697 } 698 #endif 699 700 /* 701 * BMP format for Monochrome assumes that the state of a 702 * pixel is described on a per Bit basis, not per Byte. 703 * So, in case of Monochrome BMP we should align widths 704 * on a byte boundary and convert them from Bit to Byte 705 * units. 706 * Probably, PXA250 and MPC823 process 1bpp BMP images in 707 * their own ways, so make the converting to be MCC200 708 * specific. 709 */ 710 #if defined(CONFIG_MCC200) 711 if (bpix==1) 712 { 713 width = ((width + 7) & ~7) >> 3; 714 x = ((x + 7) & ~7) >> 3; 715 pwidth= ((pwidth + 7) & ~7) >> 3; 716 } 717 #endif 718 719 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 720 721 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 722 if (x == BMP_ALIGN_CENTER) 723 x = max(0, (pwidth - width) / 2); 724 else if (x < 0) 725 x = max(0, pwidth - width + x + 1); 726 727 if (y == BMP_ALIGN_CENTER) 728 y = max(0, (panel_info.vl_row - height) / 2); 729 else if (y < 0) 730 y = max(0, panel_info.vl_row - height + y + 1); 731 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 732 733 if ((x + width)>pwidth) 734 width = pwidth - x; 735 if ((y + height)>panel_info.vl_row) 736 height = panel_info.vl_row - y; 737 738 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 739 fb = (uchar *) (lcd_base + 740 (y + height - 1) * lcd_line_length + x * bpix / 8); 741 742 switch (bmp_bpix) { 743 case 1: /* pass through */ 744 case 8: 745 if (bpix != 16) 746 byte_width = width; 747 else 748 byte_width = width * 2; 749 750 for (i = 0; i < height; ++i) { 751 WATCHDOG_RESET(); 752 for (j = 0; j < width; j++) { 753 if (bpix != 16) { 754 #if defined CONFIG_PXA250 || defined CONFIG_PXA27X || defined CONFIG_CPU_MONAHANS || defined(CONFIG_ATMEL_LCD) 755 *(fb++) = *(bmap++); 756 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 757 *(fb++) = 255 - *(bmap++); 758 #endif 759 } else { 760 *(uint16_t *)fb = cmap_base[*(bmap++)]; 761 fb += sizeof(uint16_t) / sizeof(*fb); 762 } 763 } 764 bmap += (width - padded_line); 765 fb -= (byte_width + lcd_line_length); 766 } 767 break; 768 769 #if defined(CONFIG_BMP_16BPP) 770 case 16: 771 for (i = 0; i < height; ++i) { 772 WATCHDOG_RESET(); 773 for (j = 0; j < width; j++) { 774 #if defined(CONFIG_ATMEL_LCD_BGR555) 775 *(fb++) = ((bmap[0] & 0x1f) << 2) | 776 (bmap[1] & 0x03); 777 *(fb++) = (bmap[0] & 0xe0) | 778 ((bmap[1] & 0x7c) >> 2); 779 bmap += 2; 780 #else 781 *(fb++) = *(bmap++); 782 *(fb++) = *(bmap++); 783 #endif 784 } 785 bmap += (padded_line - width) * 2; 786 fb -= (width * 2 + lcd_line_length); 787 } 788 break; 789 #endif /* CONFIG_BMP_16BPP */ 790 791 default: 792 break; 793 }; 794 795 return (0); 796 } 797 #endif 798 799 static void *lcd_logo (void) 800 { 801 #ifdef CONFIG_SPLASH_SCREEN 802 char *s; 803 ulong addr; 804 static int do_splash = 1; 805 806 if (do_splash && (s = getenv("splashimage")) != NULL) { 807 int x = 0, y = 0; 808 do_splash = 0; 809 810 addr = simple_strtoul (s, NULL, 16); 811 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 812 if ((s = getenv ("splashpos")) != NULL) { 813 if (s[0] == 'm') 814 x = BMP_ALIGN_CENTER; 815 else 816 x = simple_strtol (s, NULL, 0); 817 818 if ((s = strchr (s + 1, ',')) != NULL) { 819 if (s[1] == 'm') 820 y = BMP_ALIGN_CENTER; 821 else 822 y = simple_strtol (s + 1, NULL, 0); 823 } 824 } 825 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 826 827 #ifdef CONFIG_VIDEO_BMP_GZIP 828 bmp_image_t *bmp = (bmp_image_t *)addr; 829 unsigned long len; 830 831 if (!((bmp->header.signature[0]=='B') && 832 (bmp->header.signature[1]=='M'))) { 833 addr = (ulong)gunzip_bmp(addr, &len); 834 } 835 #endif 836 837 if (lcd_display_bitmap (addr, x, y) == 0) { 838 return ((void *)lcd_base); 839 } 840 } 841 #endif /* CONFIG_SPLASH_SCREEN */ 842 843 #ifdef CONFIG_LCD_LOGO 844 bitmap_plot (0, 0); 845 #endif /* CONFIG_LCD_LOGO */ 846 847 #ifdef CONFIG_LCD_INFO 848 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 849 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 850 lcd_show_board_info(); 851 #endif /* CONFIG_LCD_INFO */ 852 853 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 854 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 855 #else 856 return ((void *)lcd_base); 857 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 858 } 859 860 /************************************************************************/ 861 /************************************************************************/ 862