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arm926ejs: add noop implementation for dcache ops
[J-u-boot.git] / common / lcd.c
CommitLineData
8655b6f8
WD		 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>
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 43
abc20aba
MV		 44#if defined(CONFIG_CPU_PXA25X) || defined(CONFIG_CPU_PXA27X) || \
45 defined(CONFIG_CPU_MONAHANS)
46#define CONFIG_CPU_PXA
8655b6f8
WD		 47#include <asm/byteorder.h>
48#endif
49
50#if defined(CONFIG_MPC823)
8655b6f8
WD		 51#include <lcdvideo.h>
52#endif
53
39cf4804
SP		 54#if defined(CONFIG_ATMEL_LCD)
55#include <atmel_lcdc.h>
39cf4804
SP		 56#endif
57
8655b6f8
WD		 58/************************************************************************/
59/* ** FONT DATA */
60/************************************************************************/
61#include <video_font.h> /* Get font data, width and height */
d3983ee8 62#include <video_font_data.h>
8655b6f8 63
88804d19
WD		 64/************************************************************************/
65/* ** LOGO DATA */
66/************************************************************************/
67#ifdef CONFIG_LCD_LOGO
68# include <bmp_logo.h> /* Get logo data, width and height */
c270730f 69# include <bmp_logo_data.h>
acb13868 70# if (CONSOLE_COLOR_WHITE >= BMP_LOGO_OFFSET) && (LCD_BPP != LCD_COLOR16)
88804d19
WD		 71# error Default Color Map overlaps with Logo Color Map
72# endif
73#endif
8655b6f8 74
d87080b7
WD		 75DECLARE_GLOBAL_DATA_PTR;
76
8655b6f8
WD		 77ulong lcd_setmem (ulong addr);
78
79static void lcd_drawchars (ushort x, ushort y, uchar *str, int count);
80static inline void lcd_puts_xy (ushort x, ushort y, uchar *s);
81static inline void lcd_putc_xy (ushort x, ushort y, uchar c);
82
83static int lcd_init (void *lcdbase);
84
8655b6f8
WD		 85static void *lcd_logo (void);
86
8655b6f8
WD		 87static int lcd_getbgcolor (void);
88static void lcd_setfgcolor (int color);
89static void lcd_setbgcolor (int color);
90
91char lcd_is_enabled = 0;
8655b6f8
WD		 92
93#ifdef NOT_USED_SO_FAR
94static void lcd_getcolreg (ushort regno,
95 ushort *red, ushort *green, ushort *blue);
96static int lcd_getfgcolor (void);
97#endif /* NOT_USED_SO_FAR */
98
99/************************************************************************/
100
101/*----------------------------------------------------------------------*/
102
103static void console_scrollup (void)
104{
8655b6f8
WD		 105 /* Copy up rows ignoring the first one */
106 memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
107
108 /* Clear the last one */
109 memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
8655b6f8
WD		 110}
111
112/*----------------------------------------------------------------------*/
113
114static inline void console_back (void)
115{
116 if (--console_col < 0) {
117 console_col = CONSOLE_COLS-1 ;
118 if (--console_row < 0) {
119 console_row = 0;
120 }
121 }
122
123 lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
124 console_row * VIDEO_FONT_HEIGHT,
125 ' ');
126}
127
128/*----------------------------------------------------------------------*/
129
130static inline void console_newline (void)
131{
132 ++console_row;
133 console_col = 0;
134
135 /* Check if we need to scroll the terminal */
136 if (console_row >= CONSOLE_ROWS) {
137 /* Scroll everything up */
138 console_scrollup () ;
139 --console_row;
140 }
141}
142
143/*----------------------------------------------------------------------*/
144
145void lcd_putc (const char c)
146{
147 if (!lcd_is_enabled) {
148 serial_putc(c);
149 return;
150 }
151
152 switch (c) {
153 case '\r': console_col = 0;
154 return;
155
156 case '\n': console_newline();
157 return;
158
159 case '\t': /* Tab (8 chars alignment) */
6bcb4b80 160 console_col += 8;
8655b6f8
WD		 161 console_col &= ~7;
162
163 if (console_col >= CONSOLE_COLS) {
164 console_newline();
165 }
166 return;
167
168 case '\b': console_back();
169 return;
170
171 default: lcd_putc_xy (console_col * VIDEO_FONT_WIDTH,
172 console_row * VIDEO_FONT_HEIGHT,
173 c);
174 if (++console_col >= CONSOLE_COLS) {
175 console_newline();
176 }
177 return;
178 }
179 /* NOTREACHED */
180}
181
182/*----------------------------------------------------------------------*/
183
184void lcd_puts (const char *s)
185{
186 if (!lcd_is_enabled) {
187 serial_puts (s);
188 return;
189 }
190
191 while (*s) {
192 lcd_putc (*s++);
193 }
194}
195
15b17ab5
HS		 196/*----------------------------------------------------------------------*/
197
198void lcd_printf(const char *fmt, ...)
199{
200 va_list args;
201 char buf[CONFIG_SYS_PBSIZE];
202
203 va_start(args, fmt);
204 vsprintf(buf, fmt, args);
205 va_end(args);
206
207 lcd_puts(buf);
208}
209
8655b6f8
WD		 210/************************************************************************/
211/* ** Low-Level Graphics Routines */
212/************************************************************************/
213
214static void lcd_drawchars (ushort x, ushort y, uchar *str, int count)
215{
216 uchar *dest;
be547c6d
MV		 217 ushort row;
218
219#if LCD_BPP == LCD_MONOCHROME
220 ushort off = x * (1 << LCD_BPP) % 8;
221#endif
8655b6f8
WD		 222
223 dest = (uchar *)(lcd_base + y * lcd_line_length + x * (1 << LCD_BPP) / 8);
8655b6f8
WD		 224
225 for (row=0; row < VIDEO_FONT_HEIGHT; ++row, dest += lcd_line_length) {
226 uchar *s = str;
8655b6f8 227 int i;
acb13868
AR		 228#if LCD_BPP == LCD_COLOR16
229 ushort *d = (ushort *)dest;
230#else
231 uchar *d = dest;
232#endif
8655b6f8
WD		 233
234#if LCD_BPP == LCD_MONOCHROME
235 uchar rest = *d & -(1 << (8-off));
236 uchar sym;
237#endif
238 for (i=0; i<count; ++i) {
239 uchar c, bits;
240
241 c = *s++;
242 bits = video_fontdata[c * VIDEO_FONT_HEIGHT + row];
243
244#if LCD_BPP == LCD_MONOCHROME
245 sym = (COLOR_MASK(lcd_color_fg) & bits) |
246 (COLOR_MASK(lcd_color_bg) & ~bits);
247
248 *d++ = rest | (sym >> off);
249 rest = sym << (8-off);
250#elif LCD_BPP == LCD_COLOR8
251 for (c=0; c<8; ++c) {
252 *d++ = (bits & 0x80) ?
253 lcd_color_fg : lcd_color_bg;
254 bits <<= 1;
255 }
256#elif LCD_BPP == LCD_COLOR16
acb13868 257 for (c=0; c<8; ++c) {
8655b6f8
WD		 258 *d++ = (bits & 0x80) ?
259 lcd_color_fg : lcd_color_bg;
260 bits <<= 1;
261 }
262#endif
263 }
264#if LCD_BPP == LCD_MONOCHROME
265 *d = rest | (*d & ((1 << (8-off)) - 1));
266#endif
267 }
268}
269
270/*----------------------------------------------------------------------*/
271
272static inline void lcd_puts_xy (ushort x, ushort y, uchar *s)
273{
88804d19 274#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
77ddac94 275 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, s, strlen ((char *)s));
8655b6f8 276#else
77ddac94 277 lcd_drawchars (x, y, s, strlen ((char *)s));
8655b6f8
WD		 278#endif
279}
280
281/*----------------------------------------------------------------------*/
282
283static inline void lcd_putc_xy (ushort x, ushort y, uchar c)
284{
88804d19 285#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 286 lcd_drawchars (x, y+BMP_LOGO_HEIGHT, &c, 1);
287#else
288 lcd_drawchars (x, y, &c, 1);
289#endif
290}
291
292/************************************************************************/
293/** Small utility to check that you got the colours right */
294/************************************************************************/
295#ifdef LCD_TEST_PATTERN
296
297#define N_BLK_VERT 2
298#define N_BLK_HOR 3
299
300static int test_colors[N_BLK_HOR*N_BLK_VERT] = {
301 CONSOLE_COLOR_RED, CONSOLE_COLOR_GREEN, CONSOLE_COLOR_YELLOW,
302 CONSOLE_COLOR_BLUE, CONSOLE_COLOR_MAGENTA, CONSOLE_COLOR_CYAN,
303};
304
305static void test_pattern (void)
306{
307 ushort v_max = panel_info.vl_row;
308 ushort h_max = panel_info.vl_col;
309 ushort v_step = (v_max + N_BLK_VERT - 1) / N_BLK_VERT;
310 ushort h_step = (h_max + N_BLK_HOR - 1) / N_BLK_HOR;
311 ushort v, h;
312 uchar *pix = (uchar *)lcd_base;
313
314 printf ("[LCD] Test Pattern: %d x %d [%d x %d]\n",
315 h_max, v_max, h_step, v_step);
316
317 /* WARNING: Code silently assumes 8bit/pixel */
318 for (v=0; v<v_max; ++v) {
319 uchar iy = v / v_step;
320 for (h=0; h<h_max; ++h) {
321 uchar ix = N_BLK_HOR * iy + (h/h_step);
322 *pix++ = test_colors[ix];
323 }
324 }
325}
326#endif /* LCD_TEST_PATTERN */
327
328
329/************************************************************************/
330/* ** GENERIC Initialization Routines */
331/************************************************************************/
332
333int drv_lcd_init (void)
334{
52cb4d4f 335 struct stdio_dev lcddev;
8655b6f8
WD		 336 int rc;
337
338 lcd_base = (void *)(gd->fb_base);
339
340 lcd_line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
341
342 lcd_init (lcd_base); /* LCD initialization */
343
344 /* Device initialization */
345 memset (&lcddev, 0, sizeof (lcddev));
346
347 strcpy (lcddev.name, "lcd");
348 lcddev.ext = 0; /* No extensions */
349 lcddev.flags = DEV_FLAGS_OUTPUT; /* Output only */
350 lcddev.putc = lcd_putc; /* 'putc' function */
351 lcddev.puts = lcd_puts; /* 'puts' function */
352
52cb4d4f 353 rc = stdio_register (&lcddev);
8655b6f8
WD		 354
355 return (rc == 0) ? 1 : rc;
356}
357
358/*----------------------------------------------------------------------*/
02110903
CLC		 359static
360int do_lcd_clear(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
361{
362 lcd_clear();
363 return 0;
364}
365
366void lcd_clear(void)
8655b6f8
WD		 367{
368#if LCD_BPP == LCD_MONOCHROME
369 /* Setting the palette */
370 lcd_initcolregs();
371
372#elif LCD_BPP == LCD_COLOR8
373 /* Setting the palette */
374 lcd_setcolreg (CONSOLE_COLOR_BLACK, 0, 0, 0);
375 lcd_setcolreg (CONSOLE_COLOR_RED, 0xFF, 0, 0);
376 lcd_setcolreg (CONSOLE_COLOR_GREEN, 0, 0xFF, 0);
377 lcd_setcolreg (CONSOLE_COLOR_YELLOW, 0xFF, 0xFF, 0);
378 lcd_setcolreg (CONSOLE_COLOR_BLUE, 0, 0, 0xFF);
379 lcd_setcolreg (CONSOLE_COLOR_MAGENTA, 0xFF, 0, 0xFF);
380 lcd_setcolreg (CONSOLE_COLOR_CYAN, 0, 0xFF, 0xFF);
381 lcd_setcolreg (CONSOLE_COLOR_GREY, 0xAA, 0xAA, 0xAA);
382 lcd_setcolreg (CONSOLE_COLOR_WHITE, 0xFF, 0xFF, 0xFF);
383#endif
384
6d0f6bcf 385#ifndef CONFIG_SYS_WHITE_ON_BLACK
8655b6f8
WD		 386 lcd_setfgcolor (CONSOLE_COLOR_BLACK);
387 lcd_setbgcolor (CONSOLE_COLOR_WHITE);
388#else
389 lcd_setfgcolor (CONSOLE_COLOR_WHITE);
390 lcd_setbgcolor (CONSOLE_COLOR_BLACK);
6d0f6bcf 391#endif /* CONFIG_SYS_WHITE_ON_BLACK */
8655b6f8
WD		 392
393#ifdef LCD_TEST_PATTERN
394 test_pattern();
395#else
396 /* set framebuffer to background color */
397 memset ((char *)lcd_base,
398 COLOR_MASK(lcd_getbgcolor()),
399 lcd_line_length*panel_info.vl_row);
400#endif
401 /* Paint the logo and retrieve LCD base address */
402 debug ("[LCD] Drawing the logo...\n");
403 lcd_console_address = lcd_logo ();
404
405 console_col = 0;
406 console_row = 0;
8655b6f8
WD		 407}
408
409U_BOOT_CMD(
02110903 410 cls, 1, 1, do_lcd_clear,
2fb2604d 411 "clear screen",
a89c33db 412 ""
8655b6f8
WD		 413);
414
415/*----------------------------------------------------------------------*/
416
417static int lcd_init (void *lcdbase)
418{
419 /* Initialize the lcd controller */
420 debug ("[LCD] Initializing LCD frambuffer at %p\n", lcdbase);
421
422 lcd_ctrl_init (lcdbase);
6f93d2b8 423 lcd_is_enabled = 1;
02110903 424 lcd_clear();
8655b6f8
WD		 425 lcd_enable ();
426
427 /* Initialize the console */
428 console_col = 0;
88804d19 429#ifdef CONFIG_LCD_INFO_BELOW_LOGO
8655b6f8
WD		 430 console_row = 7 + BMP_LOGO_HEIGHT / VIDEO_FONT_HEIGHT;
431#else
432 console_row = 1; /* leave 1 blank line below logo */
433#endif
8655b6f8
WD		 434
435 return 0;
436}
437
438
439/************************************************************************/
440/* ** ROM capable initialization part - needed to reserve FB memory */
441/************************************************************************/
442/*
443 * This is called early in the system initialization to grab memory
444 * for the LCD controller.
445 * Returns new address for monitor, after reserving LCD buffer memory
446 *
447 * Note that this is running from ROM, so no write access to global data.
448 */
449ulong lcd_setmem (ulong addr)
450{
451 ulong size;
452 int line_length = (panel_info.vl_col * NBITS (panel_info.vl_bpix)) / 8;
453
454 debug ("LCD panel info: %d x %d, %d bit/pix\n",
455 panel_info.vl_col, panel_info.vl_row, NBITS (panel_info.vl_bpix) );
456
457 size = line_length * panel_info.vl_row;
458
459 /* Round up to nearest full page */
460 size = (size + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
461
462 /* Allocate pages for the frame buffer. */
463 addr -= size;
464
465 debug ("Reserving %ldk for LCD Framebuffer at: %08lx\n", size>>10, addr);
466
467 return (addr);
468}
469
470/*----------------------------------------------------------------------*/
471
472static void lcd_setfgcolor (int color)
473{
39cf4804 474 lcd_color_fg = color;
8655b6f8
WD		 475}
476
477/*----------------------------------------------------------------------*/
478
479static void lcd_setbgcolor (int color)
480{
39cf4804 481 lcd_color_bg = color;
8655b6f8
WD		 482}
483
484/*----------------------------------------------------------------------*/
485
486#ifdef NOT_USED_SO_FAR
487static int lcd_getfgcolor (void)
488{
489 return lcd_color_fg;
490}
491#endif /* NOT_USED_SO_FAR */
492
493/*----------------------------------------------------------------------*/
494
495static int lcd_getbgcolor (void)
496{
497 return lcd_color_bg;
498}
499
500/*----------------------------------------------------------------------*/
501
502/************************************************************************/
503/* ** Chipset depending Bitmap / Logo stuff... */
504/************************************************************************/
505#ifdef CONFIG_LCD_LOGO
506void bitmap_plot (int x, int y)
507{
39cf4804
SP		 508#ifdef CONFIG_ATMEL_LCD
509 uint *cmap;
510#else
8655b6f8 511 ushort *cmap;
39cf4804 512#endif
8655b6f8
WD		 513 ushort i, j;
514 uchar *bmap;
515 uchar *fb;
516 ushort *fb16;
abc20aba 517#if defined(CONFIG_CPU_PXA)
8655b6f8
WD		 518 struct pxafb_info *fbi = &panel_info.pxa;
519#elif defined(CONFIG_MPC823)
6d0f6bcf 520 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
8655b6f8
WD		 521 volatile cpm8xx_t *cp = &(immr->im_cpm);
522#endif
523
524 debug ("Logo: width %d height %d colors %d cmap %d\n",
525 BMP_LOGO_WIDTH, BMP_LOGO_HEIGHT, BMP_LOGO_COLORS,
b64f190b 526 (int)(sizeof(bmp_logo_palette)/(sizeof(ushort))));
8655b6f8
WD		 527
528 bmap = &bmp_logo_bitmap[0];
77ddac94 529 fb = (uchar *)(lcd_base + y * lcd_line_length + x);
8655b6f8
WD		 530
531 if (NBITS(panel_info.vl_bpix) < 12) {
532 /* Leave room for default color map */
abc20aba 533#if defined(CONFIG_CPU_PXA)
8655b6f8
WD		 534 cmap = (ushort *)fbi->palette;
535#elif defined(CONFIG_MPC823)
536 cmap = (ushort *)&(cp->lcd_cmap[BMP_LOGO_OFFSET*sizeof(ushort)]);
39cf4804
SP		 537#elif defined(CONFIG_ATMEL_LCD)
538 cmap = (uint *) (panel_info.mmio + ATMEL_LCDC_LUT(0));
acb13868
AR		 539#else
540 /*
541 * default case: generic system with no cmap (most likely 16bpp)
542 * We set cmap to the source palette, so no change is done.
543 * This avoids even more ifdef in the next stanza
544 */
545 cmap = bmp_logo_palette;
8655b6f8
WD		 546#endif
547
548 WATCHDOG_RESET();
549
550 /* Set color map */
551 for (i=0; i<(sizeof(bmp_logo_palette)/(sizeof(ushort))); ++i) {
552 ushort colreg = bmp_logo_palette[i];
39cf4804
SP		 553#ifdef CONFIG_ATMEL_LCD
554 uint lut_entry;
555#ifdef CONFIG_ATMEL_LCD_BGR555
556 lut_entry = ((colreg & 0x000F) << 11) |
557 ((colreg & 0x00F0) << 2) |
558 ((colreg & 0x0F00) >> 7);
559#else /* CONFIG_ATMEL_LCD_RGB565 */
560 lut_entry = ((colreg & 0x000F) << 1) |
561 ((colreg & 0x00F0) << 3) |
562 ((colreg & 0x0F00) << 4);
563#endif
564 *(cmap + BMP_LOGO_OFFSET) = lut_entry;
565 cmap++;
566#else /* !CONFIG_ATMEL_LCD */
6d0f6bcf 567#ifdef CONFIG_SYS_INVERT_COLORS
8655b6f8
WD		 568 *cmap++ = 0xffff - colreg;
569#else
570 *cmap++ = colreg;
571#endif
39cf4804 572#endif /* CONFIG_ATMEL_LCD */
8655b6f8
WD		 573 }
574
575 WATCHDOG_RESET();
576
577 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
578 memcpy (fb, bmap, BMP_LOGO_WIDTH);
579 bmap += BMP_LOGO_WIDTH;
580 fb += panel_info.vl_col;
581 }
582 }
583 else { /* true color mode */
acb13868 584 u16 col16;
8655b6f8
WD		 585 fb16 = (ushort *)(lcd_base + y * lcd_line_length + x);
586 for (i=0; i<BMP_LOGO_HEIGHT; ++i) {
587 for (j=0; j<BMP_LOGO_WIDTH; j++) {
acb13868
AR		 588 col16 = bmp_logo_palette[(bmap[j]-16)];
589 fb16[j] =
590 ((col16 & 0x000F) << 1) |
591 ((col16 & 0x00F0) << 3) |
592 ((col16 & 0x0F00) << 4);
8655b6f8
WD		 593 }
594 bmap += BMP_LOGO_WIDTH;
595 fb16 += panel_info.vl_col;
596 }
597 }
598
599 WATCHDOG_RESET();
600}
601#endif /* CONFIG_LCD_LOGO */
602
603/*----------------------------------------------------------------------*/
c3517f91 604#if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
8655b6f8
WD		 605/*
606 * Display the BMP file located at address bmp_image.
607 * Only uncompressed.
608 */
1ca298ce
MW		 609
610#ifdef CONFIG_SPLASH_SCREEN_ALIGN
611#define BMP_ALIGN_CENTER 0x7FFF
612#endif
613
8655b6f8
WD		 614int lcd_display_bitmap(ulong bmp_image, int x, int y)
615{
00cc5595
AG		 616#if !defined(CONFIG_MCC200)
617 ushort *cmap = NULL;
618#endif
619 ushort *cmap_base = NULL;
8655b6f8
WD		 620 ushort i, j;
621 uchar *fb;
622 bmp_image_t *bmp=(bmp_image_t *)bmp_image;
623 uchar *bmap;
624 ushort padded_line;
b245e65e 625 unsigned long width, height, byte_width;
e8143e72 626 unsigned long pwidth = panel_info.vl_col;
b245e65e 627 unsigned colors, bpix, bmp_bpix;
abc20aba 628#if defined(CONFIG_CPU_PXA)
8655b6f8
WD		 629 struct pxafb_info *fbi = &panel_info.pxa;
630#elif defined(CONFIG_MPC823)
6d0f6bcf 631 volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
8655b6f8
WD		 632 volatile cpm8xx_t *cp = &(immr->im_cpm);
633#endif
634
635 if (!((bmp->header.signature[0]=='B') &&
636 (bmp->header.signature[1]=='M'))) {
637 printf ("Error: no valid bmp image at %lx\n", bmp_image);
638 return 1;
b245e65e 639 }
8655b6f8
WD		 640
641 width = le32_to_cpu (bmp->header.width);
642 height = le32_to_cpu (bmp->header.height);
b245e65e
GL		 643 bmp_bpix = le16_to_cpu(bmp->header.bit_count);
644 colors = 1 << bmp_bpix;
8655b6f8
WD		 645
646 bpix = NBITS(panel_info.vl_bpix);
647
a303dfb0 648 if ((bpix != 1) && (bpix != 8) && (bpix != 16)) {
b245e65e
GL		 649 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
650 bpix, bmp_bpix);
8655b6f8
WD		 651 return 1;
652 }
653
b245e65e
GL		 654 /* We support displaying 8bpp BMPs on 16bpp LCDs */
655 if (bpix != bmp_bpix && (bmp_bpix != 8 || bpix != 16)) {
8655b6f8
WD		 656 printf ("Error: %d bit/pixel mode, but BMP has %d bit/pixel\n",
657 bpix,
658 le16_to_cpu(bmp->header.bit_count));
659 return 1;
660 }
661
662 debug ("Display-bmp: %d x %d with %d colors\n",
663 (int)width, (int)height, (int)colors);
664
f6414714
WD		 665#if !defined(CONFIG_MCC200)
666 /* MCC200 LCD doesn't need CMAP, supports 1bpp b&w only */
b245e65e 667 if (bmp_bpix == 8) {
abc20aba 668#if defined(CONFIG_CPU_PXA)
8655b6f8
WD		 669 cmap = (ushort *)fbi->palette;
670#elif defined(CONFIG_MPC823)
671 cmap = (ushort *)&(cp->lcd_cmap[255*sizeof(ushort)]);
b245e65e
GL		 672#elif !defined(CONFIG_ATMEL_LCD)
673 cmap = panel_info.cmap;
8655b6f8
WD		 674#endif
675
b245e65e
GL		 676 cmap_base = cmap;
677
8655b6f8
WD		 678 /* Set color map */
679 for (i=0; i<colors; ++i) {
680 bmp_color_table_entry_t cte = bmp->color_table[i];
1464eff7 681#if !defined(CONFIG_ATMEL_LCD)
8655b6f8
WD		 682 ushort colreg =
683 ( ((cte.red) << 8) & 0xf800) |
59d80bf1
WD		 684 ( ((cte.green) << 3) & 0x07e0) |
685 ( ((cte.blue) >> 3) & 0x001f) ;
6d0f6bcf 686#ifdef CONFIG_SYS_INVERT_COLORS
25d6712a 687 *cmap = 0xffff - colreg;
8655b6f8 688#else
25d6712a
WD		 689 *cmap = colreg;
690#endif
b245e65e 691#if defined(CONFIG_MPC823)
25d6712a 692 cmap--;
b245e65e
GL		 693#else
694 cmap++;
1464eff7
MJ		 695#endif
696#else /* CONFIG_ATMEL_LCD */
697 lcd_setcolreg(i, cte.red, cte.green, cte.blue);
8655b6f8
WD		 698#endif
699 }
700 }
f6414714 701#endif
8655b6f8 702
e8143e72
WD		 703 /*
704 * BMP format for Monochrome assumes that the state of a
705 * pixel is described on a per Bit basis, not per Byte.
706 * So, in case of Monochrome BMP we should align widths
707 * on a byte boundary and convert them from Bit to Byte
708 * units.
511d0c72
WD		 709 * Probably, PXA250 and MPC823 process 1bpp BMP images in
710 * their own ways, so make the converting to be MCC200
e8143e72
WD		 711 * specific.
712 */
713#if defined(CONFIG_MCC200)
714 if (bpix==1)
715 {
716 width = ((width + 7) & ~7) >> 3;
717 x = ((x + 7) & ~7) >> 3;
718 pwidth= ((pwidth + 7) & ~7) >> 3;
719 }
720#endif
721
8655b6f8 722 padded_line = (width&0x3) ? ((width&~0x3)+4) : (width);
1ca298ce
MW		 723
724#ifdef CONFIG_SPLASH_SCREEN_ALIGN
725 if (x == BMP_ALIGN_CENTER)
726 x = max(0, (pwidth - width) / 2);
727 else if (x < 0)
728 x = max(0, pwidth - width + x + 1);
729
730 if (y == BMP_ALIGN_CENTER)
731 y = max(0, (panel_info.vl_row - height) / 2);
732 else if (y < 0)
733 y = max(0, panel_info.vl_row - height + y + 1);
734#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
735
e8143e72
WD		 736 if ((x + width)>pwidth)
737 width = pwidth - x;
8655b6f8
WD		 738 if ((y + height)>panel_info.vl_row)
739 height = panel_info.vl_row - y;
740
741 bmap = (uchar *)bmp + le32_to_cpu (bmp->header.data_offset);
742 fb = (uchar *) (lcd_base +
8d46d5b1 743 (y + height - 1) * lcd_line_length + x * bpix / 8);
a303dfb0 744
b245e65e 745 switch (bmp_bpix) {
a303dfb0
MJ		 746 case 1: /* pass through */
747 case 8:
b245e65e
GL		 748 if (bpix != 16)
749 byte_width = width;
750 else
751 byte_width = width * 2;
752
a303dfb0
MJ		 753 for (i = 0; i < height; ++i) {
754 WATCHDOG_RESET();
b245e65e
GL		 755 for (j = 0; j < width; j++) {
756 if (bpix != 16) {
abc20aba 757#if defined(CONFIG_CPU_PXA) || defined(CONFIG_ATMEL_LCD)
b245e65e 758 *(fb++) = *(bmap++);
e8143e72 759#elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
b245e65e 760 *(fb++) = 255 - *(bmap++);
8655b6f8 761#endif
b245e65e
GL		 762 } else {
763 *(uint16_t *)fb = cmap_base[*(bmap++)];
764 fb += sizeof(uint16_t) / sizeof(*fb);
765 }
766 }
a303dfb0 767 bmap += (width - padded_line);
b245e65e 768 fb -= (byte_width + lcd_line_length);
a303dfb0
MJ		 769 }
770 break;
771
772#if defined(CONFIG_BMP_16BPP)
773 case 16:
774 for (i = 0; i < height; ++i) {
775 WATCHDOG_RESET();
776 for (j = 0; j < width; j++) {
777#if defined(CONFIG_ATMEL_LCD_BGR555)
778 *(fb++) = ((bmap[0] & 0x1f) << 2) |
779 (bmap[1] & 0x03);
780 *(fb++) = (bmap[0] & 0xe0) |
781 ((bmap[1] & 0x7c) >> 2);
782 bmap += 2;
783#else
784 *(fb++) = *(bmap++);
785 *(fb++) = *(bmap++);
786#endif
787 }
788 bmap += (padded_line - width) * 2;
789 fb -= (width * 2 + lcd_line_length);
790 }
791 break;
792#endif /* CONFIG_BMP_16BPP */
793
794 default:
795 break;
796 };
8655b6f8
WD		 797
798 return (0);
799}
c3517f91 800#endif
8655b6f8 801
8655b6f8
WD		 802static void *lcd_logo (void)
803{
8655b6f8
WD		 804#ifdef CONFIG_SPLASH_SCREEN
805 char *s;
806 ulong addr;
807 static int do_splash = 1;
808
809 if (do_splash && (s = getenv("splashimage")) != NULL) {
1ca298ce 810 int x = 0, y = 0;
8655b6f8
WD		 811 do_splash = 0;
812
1ca298ce
MW		 813 addr = simple_strtoul (s, NULL, 16);
814#ifdef CONFIG_SPLASH_SCREEN_ALIGN
815 if ((s = getenv ("splashpos")) != NULL) {
816 if (s[0] == 'm')
817 x = BMP_ALIGN_CENTER;
818 else
819 x = simple_strtol (s, NULL, 0);
820
821 if ((s = strchr (s + 1, ',')) != NULL) {
822 if (s[1] == 'm')
823 y = BMP_ALIGN_CENTER;
824 else
825 y = simple_strtol (s + 1, NULL, 0);
826 }
827 }
828#endif /* CONFIG_SPLASH_SCREEN_ALIGN */
829
a4831155
MJ		 830#ifdef CONFIG_VIDEO_BMP_GZIP
831 bmp_image_t *bmp = (bmp_image_t *)addr;
832 unsigned long len;
833
834 if (!((bmp->header.signature[0]=='B') &&
835 (bmp->header.signature[1]=='M'))) {
836 addr = (ulong)gunzip_bmp(addr, &len);
837 }
838#endif
839
1ca298ce 840 if (lcd_display_bitmap (addr, x, y) == 0) {
8655b6f8
WD		 841 return ((void *)lcd_base);
842 }
843 }
844#endif /* CONFIG_SPLASH_SCREEN */
845
846#ifdef CONFIG_LCD_LOGO
847 bitmap_plot (0, 0);
848#endif /* CONFIG_LCD_LOGO */
849
6b59e03e
HS		 850#ifdef CONFIG_LCD_INFO
851 console_col = LCD_INFO_X / VIDEO_FONT_WIDTH;
852 console_row = LCD_INFO_Y / VIDEO_FONT_HEIGHT;
853 lcd_show_board_info();
854#endif /* CONFIG_LCD_INFO */
39cf4804 855
88804d19 856#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
8655b6f8
WD		 857 return ((void *)((ulong)lcd_base + BMP_LOGO_HEIGHT * lcd_line_length));
858#else
859 return ((void *)lcd_base);
88804d19 860#endif /* CONFIG_LCD_LOGO && !CONFIG_LCD_INFO_BELOW_LOGO */
8655b6f8
WD		 861}
862
863/************************************************************************/
864/************************************************************************/
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