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[J-u-boot.git] / common / lcd.c
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8655b6f8
WD		 1/*
2 * Common LCD routines for supported CPUs
3 *
4 * (C) Copyright 2001-2002
5 * Wolfgang Denk, DENX Software Engineering -- [email protected]
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>
8655b6f8
WD		 35#include <stdarg.h>
36#include <linux/types.h>
52cb4d4f 37#include <stdio_dev.h>
8655b6f8
WD		 38#if defined(CONFIG_POST)
39#include <post.h>
40#endif
41#include <lcd.h>
8b0bfc68 42#include <watchdog.h>
8655b6f8
WD		 43
44#if defined(CONFIG_PXA250)
45#include <asm/byteorder.h>
46#endif
47
48#if defined(CONFIG_MPC823)
8655b6f8
WD		 49#include <lcdvideo.h>
50#endif
51
39cf4804
SP		 52#if defined(CONFIG_ATMEL_LCD)
53#include <atmel_lcdc.h>
39cf4804
SP		 54#endif
55
8655b6f8
WD		 56/************************************************************************/
57/* ** FONT DATA */
58/************************************************************************/
59#include <video_font.h> /* Get font data, width and height */
60
88804d19
WD		 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
8655b6f8 70
d87080b7
WD		 71DECLARE_GLOBAL_DATA_PTR;
72
8655b6f8
WD		 73ulong lcd_setmem (ulong addr);
74
75static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
76static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
77static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
78
79static int lcd_init (void *lcdbase);
80
81static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
8655b6f8
WD		 82static void *lcd_logo (void);
83
8655b6f8
WD		 84static int lcd_getbgcolor (void);
85static void lcd_setfgcolor (int color);
86static void lcd_setbgcolor (int color);
87
88char lcd_is_enabled = 0;
8655b6f8
WD		 89
90#ifdef NOT_USED_SO_FAR
91static void lcd_getcolreg (ushort regno,
92 ushort *red, ushort *green, ushort *blue);
93static int lcd_getfgcolor (void);
94#endif /* NOT_USED_SO_FAR */
95
96/************************************************************************/
97
98/*----------------------------------------------------------------------*/
99
100static void console_scrollup (void)
101{
102#if 1
103 /* Copy up rows ignoring the first one */
104 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
105
106 /* Clear the last one */
107 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
108#else
109 /*
110 * Poor attempt to optimize speed by moving "long"s.
111 * But the code is ugly, and not a bit faster :-(
112 */
113 ulong *t = (ulong *)CONSOLE_ROW_FIRST;
114 ulong *s = (ulong *)CONSOLE_ROW_SECOND;
115 ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
116 uchar c = lcd_color_bg & 0xFF;
117 ulong val= (c<<24) | (c<<16) | (c<<8) | c;
118
119 while (l--)
120 *t++ = *s++;
121
122 t = (ulong *)CONSOLE_ROW_LAST;
123 l = CONSOLE_ROW_SIZE / sizeof(ulong);
124
125 while (l-- > 0)
126 *t++ = val;
127#endif
128}
129
130/*----------------------------------------------------------------------*/
131
132static inline void console_back (void)
133{
134 if (--console_col < 0) {
135 console_col = CONSOLE_COLS-1 ;
136 if (--console_row < 0) {
137 console_row = 0;
138 }
139 }
140
141 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
142 console_row * VIDEO_FONT_HEIGHT,
143 ' ');
144}
145
146/*----------------------------------------------------------------------*/
147
148static inline void console_newline (void)
149{
150 ++console_row;
151 console_col = 0;
152
153 /* Check if we need to scroll the terminal */
154 if (console_row >= CONSOLE_ROWS) {
155 /* Scroll everything up */
156 console_scrollup () ;
157 --console_row;
158 }
159}
160
161/*----------------------------------------------------------------------*/
162
163void lcd_putc (const char c)
164{
165 if (!lcd_is_enabled) {
166 serial_putc(c);
167 return;
168 }
169
170 switch (c) {
171 case '\r': console_col = 0;
172 return;
173
174 case '\n': console_newline();
175 return;
176
177 case '\t': /* Tab (8 chars alignment) */
6bcb4b80 178 console_col += 8;
8655b6f8
WD		 179 console_col &= ~7;
180
181 if (console_col >= CONSOLE_COLS) {
182 console_newline();
183 }
184 return;
185
186 case '\b': console_back();
187 return;
188
189 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
190 console_row * VIDEO_FONT_HEIGHT,
191 c);
192 if (++console_col >= CONSOLE_COLS) {
193 console_newline();
194 }
195 return;
196 }
197 /* NOTREACHED */
198}
199
200/*----------------------------------------------------------------------*/
201
202void lcd_puts (const char *s)
203{
204 if (!lcd_is_enabled) {
205 serial_puts (s);
206 return;
207 }
208
209 while (*s) {
210 lcd_putc (*s++);
211 }
212}
213
15b17ab5
HS		 214/*----------------------------------------------------------------------*/
215
216void lcd_printf(const char *fmt, ...)
217{
218 va_list args;
219 char buf[CONFIG_SYS_PBSIZE];
220
221 va_start(args, fmt);
222 vsprintf(buf, fmt, args);
223 va_end(args);
224
225 lcd_puts(buf);
226}
227
8655b6f8
WD		 228/************************************************************************/
229/* ** Low-Level Graphics Routines */
230/************************************************************************/
231
232static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
233{
234 uchar *dest;
235 ushort off, row;
236
237 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
238 off = x * (1 << LCD_BPP) % 8;
239
240 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
241 uchar *s = str;
242 uchar *d = dest;
243 int i;
244
245#if LCD_BPP == LCD_MONOCHROME
246 uchar rest = *d & -(1 << (8-off));
247 uchar sym;
248#endif
249 for (i=0; i<count; ++i) {
250 uchar c, bits;
251
252 c = *s++;
253 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
254
255#if LCD_BPP == LCD_MONOCHROME
256 sym = (COLOR_MASK(lcd_color_fg) & bits) |
257 (COLOR_MASK(lcd_color_bg) & ~bits);
258
259 *d++ = rest | (sym >> off);
260 rest = sym << (8-off);
261#elif LCD_BPP == LCD_COLOR8
262 for (c=0; c<8; ++c) {
263 *d++ = (bits & 0x80) ?
264 lcd_color_fg : lcd_color_bg;
265 bits <<= 1;
266 }
267#elif LCD_BPP == LCD_COLOR16
268 for (c=0; c<16; ++c) {
269 *d++ = (bits & 0x80) ?
270 lcd_color_fg : lcd_color_bg;
271 bits <<= 1;
272 }
273#endif
274 }
275#if LCD_BPP == LCD_MONOCHROME
276 *d = rest | (*d & ((1 << (8-off)) - 1));
277#endif
278 }
279}
280
281/*----------------------------------------------------------------------*/
282
283static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
284{
88804d19 285#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
77ddac94 286 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
8655b6f8 287#else
77ddac94 288 lcd_drawchars (x, y, s, strlen ((char *)s));
8655b6f8
WD		 289#endif
290}
291
292/*----------------------------------------------------------------------*/
293
294static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
295{
88804d19 296#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 297 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
298#else
299 lcd_drawchars (x, y, &c, 1);
300#endif
301}
302
303/************************************************************************/
304/** Small utility to check that you got the colours right */
305/************************************************************************/
306#ifdef LCD_TEST_PATTERN
307
308#define N_BLK_VERT 2
309#define N_BLK_HOR 3
310
311static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
312 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
313 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
314};
315
316static void test_pattern (void)
317{
318 ushort v_max = panel_info.vl_row;
319 ushort h_max = panel_info.vl_col;
320 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
321 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
322 ushort v, h;
323 uchar *pix = (uchar *)lcd_base;
324
325 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
326 h_max, v_max, h_step, v_step);
327
328 /* WARNING: Code silently assumes 8bit/pixel */
329 for (v=0; v<v_max; ++v) {
330 uchar iy = v / v_step;
331 for (h=0; h<h_max; ++h) {
332 uchar ix = N_BLK_HOR * iy + (h/h_step);
333 *pix++ = test_colors[ix];
334 }
335 }
336}
337#endif /* LCD_TEST_PATTERN */
338
339
340/************************************************************************/
341/* ** GENERIC Initialization Routines */
342/************************************************************************/
343
344int drv_lcd_init (void)
345{
52cb4d4f 346 struct stdio_dev lcddev;
8655b6f8
WD		 347 int rc;
348
349 lcd_base = (void *)(gd->fb_base);
350
351 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
352
353 lcd_init (lcd_base); /* LCD initialization */
354
355 /* Device initialization */
356 memset (&lcddev, 0, sizeof (lcddev));
357
358 strcpy (lcddev.name, "lcd");
359 lcddev.ext = 0; /* No extensions */
360 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
361 lcddev.putc = lcd_putc; /* 'putc' function */
362 lcddev.puts = lcd_puts; /* 'puts' function */
363
52cb4d4f 364 rc = stdio_register (&lcddev);
8655b6f8
WD		 365
366 return (rc == 0) ? 1 : rc;
367}
368
369/*----------------------------------------------------------------------*/
370static int lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
371{
372#if LCD_BPP == LCD_MONOCHROME
373 /* Setting the palette */
374 lcd_initcolregs();
375
376#elif LCD_BPP == LCD_COLOR8
377 /* Setting the palette */
378 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
379 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
380 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
381 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
382 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
383 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
384 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
385 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
386 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
387#endif
388
6d0f6bcf 389#ifndef CONFIG_SYS_WHITE_ON_BLACK
8655b6f8
WD		 390 lcd_setfgcolor (CONSOLE_COLOR_BLACK);
391 lcd_setbgcolor (CONSOLE_COLOR_WHITE);
392#else
393 lcd_setfgcolor (CONSOLE_COLOR_WHITE);
394 lcd_setbgcolor (CONSOLE_COLOR_BLACK);
6d0f6bcf 395#endif /* CONFIG_SYS_WHITE_ON_BLACK */
8655b6f8
WD		 396
397#ifdef LCD_TEST_PATTERN
398 test_pattern();
399#else
400 /* set framebuffer to background color */
401 memset ((char *)lcd_base,
402 COLOR_MASK(lcd_getbgcolor()),
403 lcd_line_length*panel_info.vl_row);
404#endif
405 /* Paint the logo and retrieve LCD base address */
406 debug ("[LCD] Drawing the logo...\n");
407 lcd_console_address = lcd_logo ();
408
409 console_col = 0;
410 console_row = 0;
411
412 return (0);
413}
414
415U_BOOT_CMD(
416 cls, 1, 1, lcd_clear,
2fb2604d 417 "clear screen",
a89c33db 418 ""
8655b6f8
WD		 419);
420
421/*----------------------------------------------------------------------*/
422
423static int lcd_init (void *lcdbase)
424{
425 /* Initialize the lcd controller */
426 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
427
428 lcd_ctrl_init (lcdbase);
6f93d2b8 429 lcd_is_enabled = 1;
8655b6f8
WD		 430 lcd_clear (NULL, 1, 1, NULL); /* dummy args */
431 lcd_enable ();
432
433 /* Initialize the console */
434 console_col = 0;
88804d19 435#ifdef CONFIG_LCD_INFO_BELOW_LOGO
8655b6f8
WD		 436 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
437#else
438 console_row = 1; /* leave 1 blank line below logo */
439#endif
8655b6f8
WD		 440
441 return 0;
442}
443
444
445/************************************************************************/
446/* ** ROM capable initialization part - needed to reserve FB memory */
447/************************************************************************/
448/*
449 * This is called early in the system initialization to grab memory
450 * for the LCD controller.
451 * Returns new address for monitor, after reserving LCD buffer memory
452 *
453 * Note that this is running from ROM, so no write access to global data.
454 */
455ulong lcd_setmem (ulong addr)
456{
457 ulong size;
458 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
459
460 debug ("LCD panel info: %d x %d, %d bit/pix\n",
461 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
462
463 size = line_length * panel_info.vl_row;
464
465 /* Round up to nearest full page */
466 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
467
468 /* Allocate pages for the frame buffer. */
469 addr -= size;
470
471 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
472
473 return (addr);
474}
475
476/*----------------------------------------------------------------------*/
477
478static void lcd_setfgcolor (int color)
479{
39cf4804
SP		 480#ifdef CONFIG_ATMEL_LCD
481 lcd_color_fg = color;
482#else
8655b6f8 483 lcd_color_fg = color & 0x0F;
39cf4804 484#endif
8655b6f8
WD		 485}
486
487/*----------------------------------------------------------------------*/
488
489static void lcd_setbgcolor (int color)
490{
39cf4804
SP		 491#ifdef CONFIG_ATMEL_LCD
492 lcd_color_bg = color;
493#else
8655b6f8 494 lcd_color_bg = color & 0x0F;
39cf4804 495#endif
8655b6f8
WD		 496}
497
498/*----------------------------------------------------------------------*/
499
500#ifdef NOT_USED_SO_FAR
501static int lcd_getfgcolor (void)
502{
503 return lcd_color_fg;
504}
505#endif /* NOT_USED_SO_FAR */
506
507/*----------------------------------------------------------------------*/
508
509static int lcd_getbgcolor (void)
510{
511 return lcd_color_bg;
512}
513
514/*----------------------------------------------------------------------*/
515
516/************************************************************************/
517/* ** Chipset depending Bitmap / Logo stuff... */
518/************************************************************************/
519#ifdef CONFIG_LCD_LOGO
520void bitmap_plot (int x, int y)
521{
39cf4804
SP		 522#ifdef CONFIG_ATMEL_LCD
523 uint *cmap;
524#else
8655b6f8 525 ushort *cmap;
39cf4804 526#endif
8655b6f8
WD		 527 ushort i, j;
528 uchar *bmap;
529 uchar *fb;
530 ushort *fb16;
531#if defined(CONFIG_PXA250)
532 struct pxafb_info *fbi = &panel_info.pxa;
533#elif defined(CONFIG_MPC823)
6d0f6bcf 534 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
8655b6f8
WD		 535 volatile cpm8xx_t *cp = &(immr->im_cpm);
536#endif
537
538 debug ("Logo: width %d height %d colors %d cmap %d\n",
539 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
b64f190b 540 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
8655b6f8
WD		 541
542 bmap = &bmp_logo_bitmap[0];
77ddac94 543 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
8655b6f8
WD		 544
545 if (NBITS(panel_info.vl_bpix) < 12) {
546 /* Leave room for default color map */
547#if defined(CONFIG_PXA250)
548 cmap = (ushort *)fbi->palette;
549#elif defined(CONFIG_MPC823)
550 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
39cf4804
SP		 551#elif defined(CONFIG_ATMEL_LCD)
552 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
8655b6f8
WD		 553#endif
554
555 WATCHDOG_RESET();
556
557 /* Set color map */
558 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
559 ushort colreg = bmp_logo_palette[i];
39cf4804
SP		 560#ifdef CONFIG_ATMEL_LCD
561 uint lut_entry;
562#ifdef CONFIG_ATMEL_LCD_BGR555
563 lut_entry = ((colreg & 0x000F) << 11) |
564 ((colreg & 0x00F0) << 2) |
565 ((colreg & 0x0F00) >> 7);
566#else /* CONFIG_ATMEL_LCD_RGB565 */
567 lut_entry = ((colreg & 0x000F) << 1) |
568 ((colreg & 0x00F0) << 3) |
569 ((colreg & 0x0F00) << 4);
570#endif
571 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
572 cmap++;
573#else /* !CONFIG_ATMEL_LCD */
6d0f6bcf 574#ifdef CONFIG_SYS_INVERT_COLORS
8655b6f8
WD		 575 *cmap++ = 0xffff - colreg;
576#else
577 *cmap++ = colreg;
578#endif
39cf4804 579#endif /* CONFIG_ATMEL_LCD */
8655b6f8
WD		 580 }
581
582 WATCHDOG_RESET();
583
584 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
585 memcpy (fb, bmap, BMP_LOGO_WIDTH);
586 bmap += BMP_LOGO_WIDTH;
587 fb += panel_info.vl_col;
588 }
589 }
590 else { /* true color mode */
591 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
592 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
593 for (j=0; j<BMP_LOGO_WIDTH; j++) {
594 fb16[j] = bmp_logo_palette[(bmap[j])];
595 }
596 bmap += BMP_LOGO_WIDTH;
597 fb16 += panel_info.vl_col;
598 }
599 }
600
601 WATCHDOG_RESET();
602}
603#endif /* CONFIG_LCD_LOGO */
604
605/*----------------------------------------------------------------------*/
c3517f91 606#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
8655b6f8
WD		 607/*
608 * Display the BMP file located at address bmp_image.
609 * Only uncompressed.
610 */
1ca298ce
MW		 611
612#ifdef CONFIG_SPLASH_SCREEN_ALIGN
613#define BMP_ALIGN_CENTER 0x7FFF
614#endif
615
8655b6f8
WD		 616int lcd_display_bitmap(ulong bmp_image, int x, int y)
617{
00cc5595
AG		 618#if !defined(CONFIG_MCC200)
619 ushort *cmap = NULL;
620#endif
621 ushort *cmap_base = NULL;
8655b6f8
WD		 622 ushort i, j;
623 uchar *fb;
624 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
625 uchar *bmap;
626 ushort padded_line;
b245e65e 627 unsigned long width, height, byte_width;
e8143e72 628 unsigned long pwidth = panel_info.vl_col;
b245e65e 629 unsigned colors, bpix, bmp_bpix;
8655b6f8
WD		 630 unsigned long compression;
631#if defined(CONFIG_PXA250)
632 struct pxafb_info *fbi = &panel_info.pxa;
633#elif defined(CONFIG_MPC823)
6d0f6bcf 634 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
8655b6f8
WD		 635 volatile cpm8xx_t *cp = &(immr->im_cpm);
636#endif
637
638 if (!((bmp->header.signature[0]=='B') &&
639 (bmp->header.signature[1]=='M'))) {
640 printf ("Error: no valid bmp image at %lx\n", bmp_image);
641 return 1;
b245e65e 642 }
8655b6f8
WD		 643
644 width = le32_to_cpu (bmp->header.width);
645 height = le32_to_cpu (bmp->header.height);
b245e65e
GL		 646 bmp_bpix = le16_to_cpu(bmp->header.bit_count);
647 colors = 1 << bmp_bpix;
8655b6f8
WD		 648 compression = le32_to_cpu (bmp->header.compression);
649
650 bpix = NBITS(panel_info.vl_bpix);
651
a303dfb0 652 if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
b245e65e
GL		 653 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
654 bpix, bmp_bpix);
8655b6f8
WD		 655 return 1;
656 }
657
b245e65e
GL		 658 /* We support displaying 8bpp BMPs on 16bpp LCDs */
659 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
8655b6f8
WD		 660 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
661 bpix,
662 le16_to_cpu(bmp->header.bit_count));
663 return 1;
664 }
665
666 debug ("Display-bmp: %d x %d with %d colors\n",
667 (int)width, (int)height, (int)colors);
668
f6414714
WD		 669#if !defined(CONFIG_MCC200)
670 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
b245e65e 671 if (bmp_bpix == 8) {
8655b6f8
WD		 672#if defined(CONFIG_PXA250)
673 cmap = (ushort *)fbi->palette;
674#elif defined(CONFIG_MPC823)
675 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
b245e65e
GL		 676#elif !defined(CONFIG_ATMEL_LCD)
677 cmap = panel_info.cmap;
8655b6f8
WD		 678#endif
679
b245e65e
GL		 680 cmap_base = cmap;
681
8655b6f8
WD		 682 /* Set color map */
683 for (i=0; i<colors; ++i) {
684 bmp_color_table_entry_t cte = bmp->color_table[i];
1464eff7 685#if !defined(CONFIG_ATMEL_LCD)
8655b6f8
WD		 686 ushort colreg =
687 ( ((cte.red) << 8) & 0xf800) |
59d80bf1
WD		 688 ( ((cte.green) << 3) & 0x07e0) |
689 ( ((cte.blue) >> 3) & 0x001f) ;
6d0f6bcf 690#ifdef CONFIG_SYS_INVERT_COLORS
25d6712a 691 *cmap = 0xffff - colreg;
8655b6f8 692#else
25d6712a
WD		 693 *cmap = colreg;
694#endif
b245e65e 695#if defined(CONFIG_MPC823)
25d6712a 696 cmap--;
b245e65e
GL		 697#else
698 cmap++;
1464eff7
MJ		 699#endif
700#else /* CONFIG_ATMEL_LCD */
701 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
8655b6f8
WD		 702#endif
703 }
704 }
f6414714 705#endif
8655b6f8 706
e8143e72
WD		 707 /*
708 * BMP format for Monochrome assumes that the state of a
709 * pixel is described on a per Bit basis, not per Byte.
710 * So, in case of Monochrome BMP we should align widths
711 * on a byte boundary and convert them from Bit to Byte
712 * units.
511d0c72
WD		 713 * Probably, PXA250 and MPC823 process 1bpp BMP images in
714 * their own ways, so make the converting to be MCC200
e8143e72
WD		 715 * specific.
716 */
717#if defined(CONFIG_MCC200)
718 if (bpix==1)
719 {
720 width = ((width + 7) & ~7) >> 3;
721 x = ((x + 7) & ~7) >> 3;
722 pwidth= ((pwidth + 7) & ~7) >> 3;
723 }
724#endif
725
8655b6f8 726 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
1ca298ce
MW		 727
728#ifdef CONFIG_SPLASH_SCREEN_ALIGN
729 if (x == BMP_ALIGN_CENTER)
730 x = max(0, (pwidth - width) / 2);
731 else if (x < 0)
732 x = max(0, pwidth - width + x + 1);
733
734 if (y == BMP_ALIGN_CENTER)
735 y = max(0, (panel_info.vl_row - height) / 2);
736 else if (y < 0)
737 y = max(0, panel_info.vl_row - height + y + 1);
738#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
739
e8143e72
WD		 740 if ((x + width)>pwidth)
741 width = pwidth - x;
8655b6f8
WD		 742 if ((y + height)>panel_info.vl_row)
743 height = panel_info.vl_row - y;
744
745 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
746 fb = (uchar *) (lcd_base +
747 (y + height - 1) * lcd_line_length + x);
a303dfb0 748
b245e65e 749 switch (bmp_bpix) {
a303dfb0
MJ		 750 case 1: /* pass through */
751 case 8:
b245e65e
GL		 752 if (bpix != 16)
753 byte_width = width;
754 else
755 byte_width = width * 2;
756
a303dfb0
MJ		 757 for (i = 0; i < height; ++i) {
758 WATCHDOG_RESET();
b245e65e
GL		 759 for (j = 0; j < width; j++) {
760 if (bpix != 16) {
1464eff7 761#if defined(CONFIG_PXA250) || defined(CONFIG_ATMEL_LCD)
b245e65e 762 *(fb++) = *(bmap++);
e8143e72 763#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
b245e65e 764 *(fb++) = 255 - *(bmap++);
8655b6f8 765#endif
b245e65e
GL		 766 } else {
767 *(uint16_t *)fb = cmap_base[*(bmap++)];
768 fb += sizeof(uint16_t) / sizeof(*fb);
769 }
770 }
a303dfb0 771 bmap += (width - padded_line);
b245e65e 772 fb -= (byte_width + lcd_line_length);
a303dfb0
MJ		 773 }
774 break;
775
776#if defined(CONFIG_BMP_16BPP)
777 case 16:
778 for (i = 0; i < height; ++i) {
779 WATCHDOG_RESET();
780 for (j = 0; j < width; j++) {
781#if defined(CONFIG_ATMEL_LCD_BGR555)
782 *(fb++) = ((bmap[0] & 0x1f) << 2) |
783 (bmap[1] & 0x03);
784 *(fb++) = (bmap[0] & 0xe0) |
785 ((bmap[1] & 0x7c) >> 2);
786 bmap += 2;
787#else
788 *(fb++) = *(bmap++);
789 *(fb++) = *(bmap++);
790#endif
791 }
792 bmap += (padded_line - width) * 2;
793 fb -= (width * 2 + lcd_line_length);
794 }
795 break;
796#endif /* CONFIG_BMP_16BPP */
797
798 default:
799 break;
800 };
8655b6f8
WD		 801
802 return (0);
803}
c3517f91 804#endif
8655b6f8 805
8655b6f8
WD		 806static void *lcd_logo (void)
807{
8655b6f8
WD		 808#ifdef CONFIG_SPLASH_SCREEN
809 char *s;
810 ulong addr;
811 static int do_splash = 1;
812
813 if (do_splash && (s = getenv("splashimage")) != NULL) {
1ca298ce 814 int x = 0, y = 0;
8655b6f8
WD		 815 do_splash = 0;
816
1ca298ce
MW		 817 addr = simple_strtoul (s, NULL, 16);
818#ifdef CONFIG_SPLASH_SCREEN_ALIGN
819 if ((s = getenv ("splashpos")) != NULL) {
820 if (s[0] == 'm')
821 x = BMP_ALIGN_CENTER;
822 else
823 x = simple_strtol (s, NULL, 0);
824
825 if ((s = strchr (s + 1, ',')) != NULL) {
826 if (s[1] == 'm')
827 y = BMP_ALIGN_CENTER;
828 else
829 y = simple_strtol (s + 1, NULL, 0);
830 }
831 }
832#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
833
a4831155
MJ		 834#ifdef CONFIG_VIDEO_BMP_GZIP
835 bmp_image_t *bmp = (bmp_image_t *)addr;
836 unsigned long len;
837
838 if (!((bmp->header.signature[0]=='B') &&
839 (bmp->header.signature[1]=='M'))) {
840 addr = (ulong)gunzip_bmp(addr, &len);
841 }
842#endif
843
1ca298ce 844 if (lcd_display_bitmap (addr, x, y) == 0) {
8655b6f8
WD		 845 return ((void *)lcd_base);
846 }
847 }
848#endif /* CONFIG_SPLASH_SCREEN */
849
850#ifdef CONFIG_LCD_LOGO
851 bitmap_plot (0, 0);
852#endif /* CONFIG_LCD_LOGO */
853
6b59e03e
HS		 854#ifdef CONFIG_LCD_INFO
855 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
856 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
857 lcd_show_board_info();
858#endif /* CONFIG_LCD_INFO */
39cf4804 859
88804d19 860#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 861 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
862#else
863 return ((void *)lcd_base);
88804d19 864#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
8655b6f8
WD		 865}
866
867/************************************************************************/
868/************************************************************************/
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