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 /* 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 uchar *d = dest; 222 int i; 223 224 #if LCD_BPP == LCD_MONOCHROME 225 uchar rest = *d & -(1 << (8-off)); 226 uchar sym; 227 #endif 228 for (i=0; i<count; ++i) { 229 uchar c, bits; 230 231 c = *s++; 232 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row]; 233 234 #if LCD_BPP == LCD_MONOCHROME 235 sym = (COLOR_MASK(lcd_color_fg) & bits) | 236 (COLOR_MASK(lcd_color_bg) & ~bits); 237 238 *d++ = rest | (sym >> off); 239 rest = sym << (8-off); 240 #elif LCD_BPP == LCD_COLOR8 241 for (c=0; c<8; ++c) { 242 *d++ = (bits & 0x80) ? 243 lcd_color_fg : lcd_color_bg; 244 bits <<= 1; 245 } 246 #elif LCD_BPP == LCD_COLOR16 247 for (c=0; c<16; ++c) { 248 *d++ = (bits & 0x80) ? 249 lcd_color_fg : lcd_color_bg; 250 bits <<= 1; 251 } 252 #endif 253 } 254 #if LCD_BPP == LCD_MONOCHROME 255 *d = rest | (*d & ((1 << (8-off)) - 1)); 256 #endif 257 } 258 } 259 260 /*----------------------------------------------------------------------*/ 261 262 static inline void lcd_puts_xy (ushort x, ushort y, uchar *s) 263 { 264 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 265 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s)); 266 #else 267 lcd_drawchars (x, y, s, strlen ((char *)s)); 268 #endif 269 } 270 271 /*----------------------------------------------------------------------*/ 272 273 static inline void lcd_putc_xy (ushort x, ushort y, uchar c) 274 { 275 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 276 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1); 277 #else 278 lcd_drawchars (x, y, &c, 1); 279 #endif 280 } 281 282 /************************************************************************/ 283 /** Small utility to check that you got the colours right */ 284 /************************************************************************/ 285 #ifdef LCD_TEST_PATTERN 286 287 #define N_BLK_VERT 2 288 #define N_BLK_HOR 3 289 290 static int test_colors[N_BLK_HOR*N_BLK_VERT] = { 291 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW, 292 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN, 293 }; 294 295 static void test_pattern (void) 296 { 297 ushort v_max = panel_info.vl_row; 298 ushort h_max = panel_info.vl_col; 299 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT; 300 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR; 301 ushort v, h; 302 uchar *pix = (uchar *)lcd_base; 303 304 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n", 305 h_max, v_max, h_step, v_step); 306 307 /* WARNING: Code silently assumes 8bit/pixel */ 308 for (v=0; v<v_max; ++v) { 309 uchar iy = v / v_step; 310 for (h=0; h<h_max; ++h) { 311 uchar ix = N_BLK_HOR * iy + (h/h_step); 312 *pix++ = test_colors[ix]; 313 } 314 } 315 } 316 #endif /* LCD_TEST_PATTERN */ 317 318 319 /************************************************************************/ 320 /* ** GENERIC Initialization Routines */ 321 /************************************************************************/ 322 323 int drv_lcd_init (void) 324 { 325 struct stdio_dev lcddev; 326 int rc; 327 328 lcd_base = (void *)(gd->fb_base); 329 330 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 331 332 lcd_init (lcd_base); /* LCD initialization */ 333 334 /* Device initialization */ 335 memset (&lcddev, 0, sizeof (lcddev)); 336 337 strcpy (lcddev.name, "lcd"); 338 lcddev.ext = 0; /* No extensions */ 339 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */ 340 lcddev.putc = lcd_putc; /* 'putc' function */ 341 lcddev.puts = lcd_puts; /* 'puts' function */ 342 343 rc = stdio_register (&lcddev); 344 345 return (rc == 0) ? 1 : rc; 346 } 347 348 /*----------------------------------------------------------------------*/ 349 static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) 350 { 351 #if LCD_BPP == LCD_MONOCHROME 352 /* Setting the palette */ 353 lcd_initcolregs(); 354 355 #elif LCD_BPP == LCD_COLOR8 356 /* Setting the palette */ 357 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0); 358 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0); 359 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0); 360 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0); 361 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF); 362 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF); 363 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF); 364 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA); 365 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF); 366 #endif 367 368 #ifndef CONFIG_SYS_WHITE_ON_BLACK 369 lcd_setfgcolor (CONSOLE_COLOR_BLACK); 370 lcd_setbgcolor (CONSOLE_COLOR_WHITE); 371 #else 372 lcd_setfgcolor (CONSOLE_COLOR_WHITE); 373 lcd_setbgcolor (CONSOLE_COLOR_BLACK); 374 #endif /* CONFIG_SYS_WHITE_ON_BLACK */ 375 376 #ifdef LCD_TEST_PATTERN 377 test_pattern(); 378 #else 379 /* set framebuffer to background color */ 380 memset ((char *)lcd_base, 381 COLOR_MASK(lcd_getbgcolor()), 382 lcd_line_length*panel_info.vl_row); 383 #endif 384 /* Paint the logo and retrieve LCD base address */ 385 debug ("[LCD] Drawing the logo...\n"); 386 lcd_console_address = lcd_logo (); 387 388 console_col = 0; 389 console_row = 0; 390 391 return (0); 392 } 393 394 U_BOOT_CMD( 395 cls, 1, 1, lcd_clear, 396 "clear screen", 397 "" 398 ); 399 400 /*----------------------------------------------------------------------*/ 401 402 static int lcd_init (void *lcdbase) 403 { 404 /* Initialize the lcd controller */ 405 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase); 406 407 lcd_ctrl_init (lcdbase); 408 lcd_is_enabled = 1; 409 lcd_clear (NULL, 1, 1, NULL); /* dummy args */ 410 lcd_enable (); 411 412 /* Initialize the console */ 413 console_col = 0; 414 #ifdef CONFIG_LCD_INFO_BELOW_LOGO 415 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT; 416 #else 417 console_row = 1; /* leave 1 blank line below logo */ 418 #endif 419 420 return 0; 421 } 422 423 424 /************************************************************************/ 425 /* ** ROM capable initialization part - needed to reserve FB memory */ 426 /************************************************************************/ 427 /* 428 * This is called early in the system initialization to grab memory 429 * for the LCD controller. 430 * Returns new address for monitor, after reserving LCD buffer memory 431 * 432 * Note that this is running from ROM, so no write access to global data. 433 */ 434 ulong lcd_setmem (ulong addr) 435 { 436 ulong size; 437 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8; 438 439 debug ("LCD panel info: %d x %d, %d bit/pix\n", 440 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) ); 441 442 size = line_length * panel_info.vl_row; 443 444 /* Round up to nearest full page */ 445 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); 446 447 /* Allocate pages for the frame buffer. */ 448 addr -= size; 449 450 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr); 451 452 return (addr); 453 } 454 455 /*----------------------------------------------------------------------*/ 456 457 static void lcd_setfgcolor (int color) 458 { 459 #ifdef CONFIG_ATMEL_LCD 460 lcd_color_fg = color; 461 #else 462 lcd_color_fg = color & 0x0F; 463 #endif 464 } 465 466 /*----------------------------------------------------------------------*/ 467 468 static void lcd_setbgcolor (int color) 469 { 470 #ifdef CONFIG_ATMEL_LCD 471 lcd_color_bg = color; 472 #else 473 lcd_color_bg = color & 0x0F; 474 #endif 475 } 476 477 /*----------------------------------------------------------------------*/ 478 479 #ifdef NOT_USED_SO_FAR 480 static int lcd_getfgcolor (void) 481 { 482 return lcd_color_fg; 483 } 484 #endif /* NOT_USED_SO_FAR */ 485 486 /*----------------------------------------------------------------------*/ 487 488 static int lcd_getbgcolor (void) 489 { 490 return lcd_color_bg; 491 } 492 493 /*----------------------------------------------------------------------*/ 494 495 /************************************************************************/ 496 /* ** Chipset depending Bitmap / Logo stuff... */ 497 /************************************************************************/ 498 #ifdef CONFIG_LCD_LOGO 499 void bitmap_plot (int x, int y) 500 { 501 #ifdef CONFIG_ATMEL_LCD 502 uint *cmap; 503 #else 504 ushort *cmap; 505 #endif 506 ushort i, j; 507 uchar *bmap; 508 uchar *fb; 509 ushort *fb16; 510 #if defined(CONFIG_PXA250) 511 struct pxafb_info *fbi = &panel_info.pxa; 512 #elif defined(CONFIG_MPC823) 513 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 514 volatile cpm8xx_t *cp = &(immr->im_cpm); 515 #endif 516 517 debug ("Logo: width %d height %d colors %d cmap %d\n", 518 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS, 519 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort)))); 520 521 bmap = &bmp_logo_bitmap[0]; 522 fb = (uchar *)(lcd_base + y * lcd_line_length + x); 523 524 if (NBITS(panel_info.vl_bpix) < 12) { 525 /* Leave room for default color map */ 526 #if defined(CONFIG_PXA250) 527 cmap = (ushort *)fbi->palette; 528 #elif defined(CONFIG_MPC823) 529 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]); 530 #elif defined(CONFIG_ATMEL_LCD) 531 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0)); 532 #endif 533 534 WATCHDOG_RESET(); 535 536 /* Set color map */ 537 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) { 538 ushort colreg = bmp_logo_palette[i]; 539 #ifdef CONFIG_ATMEL_LCD 540 uint lut_entry; 541 #ifdef CONFIG_ATMEL_LCD_BGR555 542 lut_entry = ((colreg & 0x000F) << 11) | 543 ((colreg & 0x00F0) << 2) | 544 ((colreg & 0x0F00) >> 7); 545 #else /* CONFIG_ATMEL_LCD_RGB565 */ 546 lut_entry = ((colreg & 0x000F) << 1) | 547 ((colreg & 0x00F0) << 3) | 548 ((colreg & 0x0F00) << 4); 549 #endif 550 *(cmap + BMP_LOGO_OFFSET) = lut_entry; 551 cmap++; 552 #else /* !CONFIG_ATMEL_LCD */ 553 #ifdef CONFIG_SYS_INVERT_COLORS 554 *cmap++ = 0xffff - colreg; 555 #else 556 *cmap++ = colreg; 557 #endif 558 #endif /* CONFIG_ATMEL_LCD */ 559 } 560 561 WATCHDOG_RESET(); 562 563 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 564 memcpy (fb, bmap, BMP_LOGO_WIDTH); 565 bmap += BMP_LOGO_WIDTH; 566 fb += panel_info.vl_col; 567 } 568 } 569 else { /* true color mode */ 570 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x); 571 for (i=0; i<BMP_LOGO_HEIGHT; ++i) { 572 for (j=0; j<BMP_LOGO_WIDTH; j++) { 573 fb16[j] = bmp_logo_palette[(bmap[j])]; 574 } 575 bmap += BMP_LOGO_WIDTH; 576 fb16 += panel_info.vl_col; 577 } 578 } 579 580 WATCHDOG_RESET(); 581 } 582 #endif /* CONFIG_LCD_LOGO */ 583 584 /*----------------------------------------------------------------------*/ 585 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN) 586 /* 587 * Display the BMP file located at address bmp_image. 588 * Only uncompressed. 589 */ 590 591 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 592 #define BMP_ALIGN_CENTER 0x7FFF 593 #endif 594 595 int lcd_display_bitmap(ulong bmp_image, int x, int y) 596 { 597 #if !defined(CONFIG_MCC200) 598 ushort *cmap = NULL; 599 #endif 600 ushort *cmap_base = NULL; 601 ushort i, j; 602 uchar *fb; 603 bmp_image_t *bmp=(bmp_image_t *)bmp_image; 604 uchar *bmap; 605 ushort padded_line; 606 unsigned long width, height, byte_width; 607 unsigned long pwidth = panel_info.vl_col; 608 unsigned colors, bpix, bmp_bpix; 609 unsigned long compression; 610 #if defined(CONFIG_PXA250) 611 struct pxafb_info *fbi = &panel_info.pxa; 612 #elif defined(CONFIG_MPC823) 613 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; 614 volatile cpm8xx_t *cp = &(immr->im_cpm); 615 #endif 616 617 if (!((bmp->header.signature[0]=='B') && 618 (bmp->header.signature[1]=='M'))) { 619 printf ("Error: no valid bmp image at %lx\n", bmp_image); 620 return 1; 621 } 622 623 width = le32_to_cpu (bmp->header.width); 624 height = le32_to_cpu (bmp->header.height); 625 bmp_bpix = le16_to_cpu(bmp->header.bit_count); 626 colors = 1 << bmp_bpix; 627 compression = le32_to_cpu (bmp->header.compression); 628 629 bpix = NBITS(panel_info.vl_bpix); 630 631 if ((bpix != 1) && (bpix != 8) && (bpix != 16)) { 632 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 633 bpix, bmp_bpix); 634 return 1; 635 } 636 637 /* We support displaying 8bpp BMPs on 16bpp LCDs */ 638 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) { 639 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n", 640 bpix, 641 le16_to_cpu(bmp->header.bit_count)); 642 return 1; 643 } 644 645 debug ("Display-bmp: %d x %d with %d colors\n", 646 (int)width, (int)height, (int)colors); 647 648 #if !defined(CONFIG_MCC200) 649 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */ 650 if (bmp_bpix == 8) { 651 #if defined(CONFIG_PXA250) 652 cmap = (ushort *)fbi->palette; 653 #elif defined(CONFIG_MPC823) 654 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]); 655 #elif !defined(CONFIG_ATMEL_LCD) 656 cmap = panel_info.cmap; 657 #endif 658 659 cmap_base = cmap; 660 661 /* Set color map */ 662 for (i=0; i<colors; ++i) { 663 bmp_color_table_entry_t cte = bmp->color_table[i]; 664 #if !defined(CONFIG_ATMEL_LCD) 665 ushort colreg = 666 ( ((cte.red) << 8) & 0xf800) | 667 ( ((cte.green) << 3) & 0x07e0) | 668 ( ((cte.blue) >> 3) & 0x001f) ; 669 #ifdef CONFIG_SYS_INVERT_COLORS 670 *cmap = 0xffff - colreg; 671 #else 672 *cmap = colreg; 673 #endif 674 #if defined(CONFIG_MPC823) 675 cmap--; 676 #else 677 cmap++; 678 #endif 679 #else /* CONFIG_ATMEL_LCD */ 680 lcd_setcolreg(i, cte.red, cte.green, cte.blue); 681 #endif 682 } 683 } 684 #endif 685 686 /* 687 * BMP format for Monochrome assumes that the state of a 688 * pixel is described on a per Bit basis, not per Byte. 689 * So, in case of Monochrome BMP we should align widths 690 * on a byte boundary and convert them from Bit to Byte 691 * units. 692 * Probably, PXA250 and MPC823 process 1bpp BMP images in 693 * their own ways, so make the converting to be MCC200 694 * specific. 695 */ 696 #if defined(CONFIG_MCC200) 697 if (bpix==1) 698 { 699 width = ((width + 7) & ~7) >> 3; 700 x = ((x + 7) & ~7) >> 3; 701 pwidth= ((pwidth + 7) & ~7) >> 3; 702 } 703 #endif 704 705 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width); 706 707 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 708 if (x == BMP_ALIGN_CENTER) 709 x = max(0, (pwidth - width) / 2); 710 else if (x < 0) 711 x = max(0, pwidth - width + x + 1); 712 713 if (y == BMP_ALIGN_CENTER) 714 y = max(0, (panel_info.vl_row - height) / 2); 715 else if (y < 0) 716 y = max(0, panel_info.vl_row - height + y + 1); 717 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 718 719 if ((x + width)>pwidth) 720 width = pwidth - x; 721 if ((y + height)>panel_info.vl_row) 722 height = panel_info.vl_row - y; 723 724 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset); 725 fb = (uchar *) (lcd_base + 726 (y + height - 1) * lcd_line_length + x); 727 728 switch (bmp_bpix) { 729 case 1: /* pass through */ 730 case 8: 731 if (bpix != 16) 732 byte_width = width; 733 else 734 byte_width = width * 2; 735 736 for (i = 0; i < height; ++i) { 737 WATCHDOG_RESET(); 738 for (j = 0; j < width; j++) { 739 if (bpix != 16) { 740 #if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD) 741 *(fb++) = *(bmap++); 742 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200) 743 *(fb++) = 255 - *(bmap++); 744 #endif 745 } else { 746 *(uint16_t *)fb = cmap_base[*(bmap++)]; 747 fb += sizeof(uint16_t) / sizeof(*fb); 748 } 749 } 750 bmap += (width - padded_line); 751 fb -= (byte_width + lcd_line_length); 752 } 753 break; 754 755 #if defined(CONFIG_BMP_16BPP) 756 case 16: 757 for (i = 0; i < height; ++i) { 758 WATCHDOG_RESET(); 759 for (j = 0; j < width; j++) { 760 #if defined(CONFIG_ATMEL_LCD_BGR555) 761 *(fb++) = ((bmap[0] & 0x1f) << 2) | 762 (bmap[1] & 0x03); 763 *(fb++) = (bmap[0] & 0xe0) | 764 ((bmap[1] & 0x7c) >> 2); 765 bmap += 2; 766 #else 767 *(fb++) = *(bmap++); 768 *(fb++) = *(bmap++); 769 #endif 770 } 771 bmap += (padded_line - width) * 2; 772 fb -= (width * 2 + lcd_line_length); 773 } 774 break; 775 #endif /* CONFIG_BMP_16BPP */ 776 777 default: 778 break; 779 }; 780 781 return (0); 782 } 783 #endif 784 785 static void *lcd_logo (void) 786 { 787 #ifdef CONFIG_SPLASH_SCREEN 788 char *s; 789 ulong addr; 790 static int do_splash = 1; 791 792 if (do_splash && (s = getenv("splashimage")) != NULL) { 793 int x = 0, y = 0; 794 do_splash = 0; 795 796 addr = simple_strtoul (s, NULL, 16); 797 #ifdef CONFIG_SPLASH_SCREEN_ALIGN 798 if ((s = getenv ("splashpos")) != NULL) { 799 if (s[0] == 'm') 800 x = BMP_ALIGN_CENTER; 801 else 802 x = simple_strtol (s, NULL, 0); 803 804 if ((s = strchr (s + 1, ',')) != NULL) { 805 if (s[1] == 'm') 806 y = BMP_ALIGN_CENTER; 807 else 808 y = simple_strtol (s + 1, NULL, 0); 809 } 810 } 811 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */ 812 813 #ifdef CONFIG_VIDEO_BMP_GZIP 814 bmp_image_t *bmp = (bmp_image_t *)addr; 815 unsigned long len; 816 817 if (!((bmp->header.signature[0]=='B') && 818 (bmp->header.signature[1]=='M'))) { 819 addr = (ulong)gunzip_bmp(addr, &len); 820 } 821 #endif 822 823 if (lcd_display_bitmap (addr, x, y) == 0) { 824 return ((void *)lcd_base); 825 } 826 } 827 #endif /* CONFIG_SPLASH_SCREEN */ 828 829 #ifdef CONFIG_LCD_LOGO 830 bitmap_plot (0, 0); 831 #endif /* CONFIG_LCD_LOGO */ 832 833 #ifdef CONFIG_LCD_INFO 834 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH; 835 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT; 836 lcd_show_board_info(); 837 #endif /* CONFIG_LCD_INFO */ 838 839 #if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO) 840 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length)); 841 #else 842 return ((void *)lcd_base); 843 #endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */ 844 } 845 846 /************************************************************************/ 847 /************************************************************************/ 848