xref: /openbmc/u-boot/drivers/video/cfb_console.c (revision 1e52fea3)
1 /*
2  * (C) Copyright 2002 ELTEC Elektronik AG
3  * Frank Gottschling <fgottschling@eltec.de>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 /*
25  * cfb_console.c
26  *
27  * Color Framebuffer Console driver for 8/15/16/24/32 bits per pixel.
28  *
29  * At the moment only the 8x16 font is tested and the font fore- and
30  * background color is limited to black/white/gray colors. The Linux
31  * logo can be placed in the upper left corner and additional board
32  * information strings (that normally goes to serial port) can be drawn.
33  *
34  * The console driver can use the standard PC keyboard interface (i8042)
35  * for character input. Character output goes to a memory mapped video
36  * framebuffer with little or big-endian organisation.
37  * With environment setting 'console=serial' the console i/o can be
38  * forced to serial port.
39  *
40  * The driver uses graphic specific defines/parameters/functions:
41  *
42  * (for SMI LynxE graphic chip)
43  *
44  * CONFIG_VIDEO_SMI_LYNXEM    - use graphic driver for SMI 710,712,810
45  * VIDEO_FB_LITTLE_ENDIAN     - framebuffer organisation default: big endian
46  * VIDEO_HW_RECTFILL	      - graphic driver supports hardware rectangle fill
47  * VIDEO_HW_BITBLT	      - graphic driver supports hardware bit blt
48  *
49  * Console Parameters are set by graphic drivers global struct:
50  *
51  * VIDEO_VISIBLE_COLS	      - x resolution
52  * VIDEO_VISIBLE_ROWS	      - y resolution
53  * VIDEO_PIXEL_SIZE	      - storage size in byte per pixel
54  * VIDEO_DATA_FORMAT	      - graphical data format GDF
55  * VIDEO_FB_ADRS	      - start of video memory
56  *
57  * CONFIG_I8042_KBD	      - AT Keyboard driver for i8042
58  * VIDEO_KBD_INIT_FCT	      - init function for keyboard
59  * VIDEO_TSTC_FCT	      - keyboard_tstc function
60  * VIDEO_GETC_FCT	      - keyboard_getc function
61  *
62  * CONFIG_CONSOLE_CURSOR      - on/off drawing cursor is done with
63  *				delay loop in VIDEO_TSTC_FCT (i8042)
64  *
65  * CONFIG_SYS_CONSOLE_BLINK_COUNT - value for delay loop - blink rate
66  * CONFIG_CONSOLE_TIME	      - display time/date in upper right
67  *				corner, needs CONFIG_CMD_DATE and
68  *				CONFIG_CONSOLE_CURSOR
69  * CONFIG_VIDEO_LOGO	      - display Linux Logo in upper left corner
70  * CONFIG_VIDEO_BMP_LOGO      - use bmp_logo instead of linux_logo
71  * CONFIG_CONSOLE_EXTRA_INFO  - display additional board information
72  *				strings that normaly goes to serial
73  *				port.  This define requires a board
74  *				specific function:
75  *				video_drawstring (VIDEO_INFO_X,
76  *					VIDEO_INFO_Y + i*VIDEO_FONT_HEIGHT,
77  *					info);
78  *				that fills a info buffer at i=row.
79  *				s.a: board/eltec/bab7xx.
80  * CONFIG_VGA_AS_SINGLE_DEVICE - If set the framebuffer device will be
81  *				initialized as an output only device.
82  *				The Keyboard driver will not be
83  *				set-up.  This may be used, if you have
84  *				no or more than one Keyboard devices
85  *				(USB Keyboard, AT Keyboard).
86  *
87  * CONFIG_VIDEO_SW_CURSOR:    - Draws a cursor after the last
88  *				character. No blinking is provided.
89  *				Uses the macros CURSOR_SET and
90  *				CURSOR_OFF.
91  *
92  * CONFIG_VIDEO_HW_CURSOR:    - Uses the hardware cursor capability
93  *				of the graphic chip. Uses the macro
94  *				CURSOR_SET. ATTENTION: If booting an
95  *				OS, the display driver must disable
96  *				the hardware register of the graphic
97  *				chip. Otherwise a blinking field is
98  *				displayed.
99  */
100 
101 #include <common.h>
102 #include <version.h>
103 #include <malloc.h>
104 #include <linux/compiler.h>
105 
106 /*
107  * Console device defines with SMI graphic
108  * Any other graphic must change this section
109  */
110 
111 #ifdef	CONFIG_VIDEO_SMI_LYNXEM
112 
113 #define VIDEO_FB_LITTLE_ENDIAN
114 #define VIDEO_HW_RECTFILL
115 #define VIDEO_HW_BITBLT
116 #endif
117 
118 /*
119  * Defines for the CT69000 driver
120  */
121 #ifdef	CONFIG_VIDEO_CT69000
122 
123 #define VIDEO_FB_LITTLE_ENDIAN
124 #define VIDEO_HW_RECTFILL
125 #define VIDEO_HW_BITBLT
126 #endif
127 
128 /*
129  * Defines for the SED13806 driver
130  */
131 #ifdef CONFIG_VIDEO_SED13806
132 
133 #ifndef CONFIG_TOTAL5200
134 #define VIDEO_FB_LITTLE_ENDIAN
135 #endif
136 #define VIDEO_HW_RECTFILL
137 #define VIDEO_HW_BITBLT
138 #endif
139 
140 /*
141  * Defines for the SED13806 driver
142  */
143 #ifdef CONFIG_VIDEO_SM501
144 
145 #ifdef CONFIG_HH405
146 #define VIDEO_FB_LITTLE_ENDIAN
147 #endif
148 #endif
149 
150 /*
151  * Defines for the MB862xx driver
152  */
153 #ifdef CONFIG_VIDEO_MB862xx
154 
155 #ifdef CONFIG_VIDEO_CORALP
156 #define VIDEO_FB_LITTLE_ENDIAN
157 #endif
158 #ifdef CONFIG_VIDEO_MB862xx_ACCEL
159 #define VIDEO_HW_RECTFILL
160 #define VIDEO_HW_BITBLT
161 #endif
162 #endif
163 
164 /*
165  * Defines for the i.MX31 driver (mx3fb.c)
166  */
167 #if defined(CONFIG_VIDEO_MX3) || defined(CONFIG_VIDEO_MX5)
168 #define VIDEO_FB_16BPP_WORD_SWAP
169 #endif
170 
171 /*
172  * Include video_fb.h after definitions of VIDEO_HW_RECTFILL etc.
173  */
174 #include <video_fb.h>
175 
176 /*
177  * some Macros
178  */
179 #define VIDEO_VISIBLE_COLS	(pGD->winSizeX)
180 #define VIDEO_VISIBLE_ROWS	(pGD->winSizeY)
181 #define VIDEO_PIXEL_SIZE	(pGD->gdfBytesPP)
182 #define VIDEO_DATA_FORMAT	(pGD->gdfIndex)
183 #define VIDEO_FB_ADRS		(pGD->frameAdrs)
184 
185 /*
186  * Console device defines with i8042 keyboard controller
187  * Any other keyboard controller must change this section
188  */
189 
190 #ifdef	CONFIG_I8042_KBD
191 #include <i8042.h>
192 
193 #define VIDEO_KBD_INIT_FCT	i8042_kbd_init()
194 #define VIDEO_TSTC_FCT		i8042_tstc
195 #define VIDEO_GETC_FCT		i8042_getc
196 #endif
197 
198 /*
199  * Console device
200  */
201 
202 #include <version.h>
203 #include <linux/types.h>
204 #include <stdio_dev.h>
205 #include <video_font.h>
206 #include <video_font_data.h>
207 
208 #if defined(CONFIG_CMD_DATE)
209 #include <rtc.h>
210 #endif
211 
212 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
213 #include <watchdog.h>
214 #include <bmp_layout.h>
215 
216 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
217 #define BMP_ALIGN_CENTER	0x7FFF
218 #endif
219 
220 #endif
221 
222 /*
223  * Cursor definition:
224  * CONFIG_CONSOLE_CURSOR:  Uses a timer function (see drivers/input/i8042.c)
225  *			   to let the cursor blink. Uses the macros
226  *			   CURSOR_OFF and CURSOR_ON.
227  * CONFIG_VIDEO_SW_CURSOR: Draws a cursor after the last character. No
228  *			   blinking is provided. Uses the macros CURSOR_SET
229  *			   and CURSOR_OFF.
230  * CONFIG_VIDEO_HW_CURSOR: Uses the hardware cursor capability of the
231  *			   graphic chip. Uses the macro CURSOR_SET.
232  *			   ATTENTION: If booting an OS, the display driver
233  *			   must disable the hardware register of the graphic
234  *			   chip. Otherwise a blinking field is displayed
235  */
236 #if !defined(CONFIG_CONSOLE_CURSOR) && \
237     !defined(CONFIG_VIDEO_SW_CURSOR) && \
238     !defined(CONFIG_VIDEO_HW_CURSOR)
239 /* no Cursor defined */
240 #define CURSOR_ON
241 #define CURSOR_OFF
242 #define CURSOR_SET
243 #endif
244 
245 #if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
246 #if defined(CURSOR_ON) || \
247 	(defined(CONFIG_CONSOLE_CURSOR) && defined(CONFIG_VIDEO_SW_CURSOR))
248 #error	only one of CONFIG_CONSOLE_CURSOR, CONFIG_VIDEO_SW_CURSOR, \
249 	or CONFIG_VIDEO_HW_CURSOR can be defined
250 #endif
251 void console_cursor(int state);
252 
253 #define CURSOR_ON  console_cursor(1)
254 #define CURSOR_OFF console_cursor(0)
255 #define CURSOR_SET video_set_cursor()
256 #endif /* CONFIG_CONSOLE_CURSOR || CONFIG_VIDEO_SW_CURSOR */
257 
258 #ifdef	CONFIG_CONSOLE_CURSOR
259 #ifndef	CONFIG_CONSOLE_TIME
260 #error	CONFIG_CONSOLE_CURSOR must be defined for CONFIG_CONSOLE_TIME
261 #endif
262 #ifndef CONFIG_I8042_KBD
263 #warning Cursor drawing on/off needs timer function s.a. drivers/input/i8042.c
264 #endif
265 #endif /* CONFIG_CONSOLE_CURSOR */
266 
267 
268 #ifdef CONFIG_VIDEO_HW_CURSOR
269 #ifdef	CURSOR_ON
270 #error	only one of CONFIG_CONSOLE_CURSOR, CONFIG_VIDEO_SW_CURSOR, \
271 	or CONFIG_VIDEO_HW_CURSOR can be defined
272 #endif
273 #define CURSOR_ON
274 #define CURSOR_OFF
275 #define CURSOR_SET video_set_hw_cursor(console_col * VIDEO_FONT_WIDTH, \
276 		  (console_row * VIDEO_FONT_HEIGHT) + video_logo_height)
277 #endif /* CONFIG_VIDEO_HW_CURSOR */
278 
279 #ifdef	CONFIG_VIDEO_LOGO
280 #ifdef	CONFIG_VIDEO_BMP_LOGO
281 #include <bmp_logo.h>
282 #include <bmp_logo_data.h>
283 #define VIDEO_LOGO_WIDTH	BMP_LOGO_WIDTH
284 #define VIDEO_LOGO_HEIGHT	BMP_LOGO_HEIGHT
285 #define VIDEO_LOGO_LUT_OFFSET	BMP_LOGO_OFFSET
286 #define VIDEO_LOGO_COLORS	BMP_LOGO_COLORS
287 
288 #else  /* CONFIG_VIDEO_BMP_LOGO */
289 #define LINUX_LOGO_WIDTH	80
290 #define LINUX_LOGO_HEIGHT	80
291 #define LINUX_LOGO_COLORS	214
292 #define LINUX_LOGO_LUT_OFFSET	0x20
293 #define __initdata
294 #include <linux_logo.h>
295 #define VIDEO_LOGO_WIDTH	LINUX_LOGO_WIDTH
296 #define VIDEO_LOGO_HEIGHT	LINUX_LOGO_HEIGHT
297 #define VIDEO_LOGO_LUT_OFFSET	LINUX_LOGO_LUT_OFFSET
298 #define VIDEO_LOGO_COLORS	LINUX_LOGO_COLORS
299 #endif /* CONFIG_VIDEO_BMP_LOGO */
300 #define VIDEO_INFO_X		(VIDEO_LOGO_WIDTH)
301 #define VIDEO_INFO_Y		(VIDEO_FONT_HEIGHT/2)
302 #else  /* CONFIG_VIDEO_LOGO */
303 #define VIDEO_LOGO_WIDTH	0
304 #define VIDEO_LOGO_HEIGHT	0
305 #endif /* CONFIG_VIDEO_LOGO */
306 
307 #define VIDEO_COLS		VIDEO_VISIBLE_COLS
308 #define VIDEO_ROWS		VIDEO_VISIBLE_ROWS
309 #define VIDEO_SIZE		(VIDEO_ROWS*VIDEO_COLS*VIDEO_PIXEL_SIZE)
310 #define VIDEO_PIX_BLOCKS	(VIDEO_SIZE >> 2)
311 #define VIDEO_LINE_LEN		(VIDEO_COLS*VIDEO_PIXEL_SIZE)
312 #define VIDEO_BURST_LEN		(VIDEO_COLS/8)
313 
314 #ifdef	CONFIG_VIDEO_LOGO
315 #define CONSOLE_ROWS		((VIDEO_ROWS - video_logo_height) / VIDEO_FONT_HEIGHT)
316 #else
317 #define CONSOLE_ROWS		(VIDEO_ROWS / VIDEO_FONT_HEIGHT)
318 #endif
319 
320 #define CONSOLE_COLS		(VIDEO_COLS / VIDEO_FONT_WIDTH)
321 #define CONSOLE_ROW_SIZE	(VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN)
322 #define CONSOLE_ROW_FIRST	(video_console_address)
323 #define CONSOLE_ROW_SECOND	(video_console_address + CONSOLE_ROW_SIZE)
324 #define CONSOLE_ROW_LAST	(video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
325 #define CONSOLE_SIZE		(CONSOLE_ROW_SIZE * CONSOLE_ROWS)
326 #define CONSOLE_SCROLL_SIZE	(CONSOLE_SIZE - CONSOLE_ROW_SIZE)
327 
328 /* Macros */
329 #ifdef	VIDEO_FB_LITTLE_ENDIAN
330 #define SWAP16(x)		((((x) & 0x00ff) << 8) | \
331 				  ((x) >> 8) \
332 				)
333 #define SWAP32(x)		((((x) & 0x000000ff) << 24) | \
334 				 (((x) & 0x0000ff00) <<  8) | \
335 				 (((x) & 0x00ff0000) >>  8) | \
336 				 (((x) & 0xff000000) >> 24)   \
337 				)
338 #define SHORTSWAP32(x)		((((x) & 0x000000ff) <<  8) | \
339 				 (((x) & 0x0000ff00) >>  8) | \
340 				 (((x) & 0x00ff0000) <<  8) | \
341 				 (((x) & 0xff000000) >>  8)   \
342 				)
343 #else
344 #define SWAP16(x)		(x)
345 #define SWAP32(x)		(x)
346 #if defined(VIDEO_FB_16BPP_WORD_SWAP)
347 #define SHORTSWAP32(x)		(((x) >> 16) | ((x) << 16))
348 #else
349 #define SHORTSWAP32(x)		(x)
350 #endif
351 #endif
352 
353 #ifdef CONFIG_CONSOLE_EXTRA_INFO
354 /*
355  * setup a board string: type, speed, etc.
356  *
357  * line_number:	location to place info string beside logo
358  * info:	buffer for info string
359  */
360 extern void video_get_info_str(int line_number,	char *info);
361 #endif
362 
363 /* Locals */
364 static GraphicDevice *pGD;	/* Pointer to Graphic array */
365 
366 static void *video_fb_address;	/* frame buffer address */
367 static void *video_console_address;	/* console buffer start address */
368 
369 static int video_logo_height = VIDEO_LOGO_HEIGHT;
370 
371 static int __maybe_unused cursor_state;
372 static int __maybe_unused old_col;
373 static int __maybe_unused old_row;
374 
375 static int console_col;		/* cursor col */
376 static int console_row;		/* cursor row */
377 
378 static u32 eorx, fgx, bgx;	/* color pats */
379 
380 static const int video_font_draw_table8[] = {
381 	0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
382 	0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
383 	0xff000000, 0xff0000ff, 0xff00ff00, 0xff00ffff,
384 	0xffff0000, 0xffff00ff, 0xffffff00, 0xffffffff
385 };
386 
387 static const int video_font_draw_table15[] = {
388 	0x00000000, 0x00007fff, 0x7fff0000, 0x7fff7fff
389 };
390 
391 static const int video_font_draw_table16[] = {
392 	0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff
393 };
394 
395 static const int video_font_draw_table24[16][3] = {
396 	{0x00000000, 0x00000000, 0x00000000},
397 	{0x00000000, 0x00000000, 0x00ffffff},
398 	{0x00000000, 0x0000ffff, 0xff000000},
399 	{0x00000000, 0x0000ffff, 0xffffffff},
400 	{0x000000ff, 0xffff0000, 0x00000000},
401 	{0x000000ff, 0xffff0000, 0x00ffffff},
402 	{0x000000ff, 0xffffffff, 0xff000000},
403 	{0x000000ff, 0xffffffff, 0xffffffff},
404 	{0xffffff00, 0x00000000, 0x00000000},
405 	{0xffffff00, 0x00000000, 0x00ffffff},
406 	{0xffffff00, 0x0000ffff, 0xff000000},
407 	{0xffffff00, 0x0000ffff, 0xffffffff},
408 	{0xffffffff, 0xffff0000, 0x00000000},
409 	{0xffffffff, 0xffff0000, 0x00ffffff},
410 	{0xffffffff, 0xffffffff, 0xff000000},
411 	{0xffffffff, 0xffffffff, 0xffffffff}
412 };
413 
414 static const int video_font_draw_table32[16][4] = {
415 	{0x00000000, 0x00000000, 0x00000000, 0x00000000},
416 	{0x00000000, 0x00000000, 0x00000000, 0x00ffffff},
417 	{0x00000000, 0x00000000, 0x00ffffff, 0x00000000},
418 	{0x00000000, 0x00000000, 0x00ffffff, 0x00ffffff},
419 	{0x00000000, 0x00ffffff, 0x00000000, 0x00000000},
420 	{0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff},
421 	{0x00000000, 0x00ffffff, 0x00ffffff, 0x00000000},
422 	{0x00000000, 0x00ffffff, 0x00ffffff, 0x00ffffff},
423 	{0x00ffffff, 0x00000000, 0x00000000, 0x00000000},
424 	{0x00ffffff, 0x00000000, 0x00000000, 0x00ffffff},
425 	{0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000},
426 	{0x00ffffff, 0x00000000, 0x00ffffff, 0x00ffffff},
427 	{0x00ffffff, 0x00ffffff, 0x00000000, 0x00000000},
428 	{0x00ffffff, 0x00ffffff, 0x00000000, 0x00ffffff},
429 	{0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00000000},
430 	{0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff}
431 };
432 
433 static void video_drawchars(int xx, int yy, unsigned char *s, int count)
434 {
435 	u8 *cdat, *dest, *dest0;
436 	int rows, offset, c;
437 
438 	offset = yy * VIDEO_LINE_LEN + xx * VIDEO_PIXEL_SIZE;
439 	dest0 = video_fb_address + offset;
440 
441 	switch (VIDEO_DATA_FORMAT) {
442 	case GDF__8BIT_INDEX:
443 	case GDF__8BIT_332RGB:
444 		while (count--) {
445 			c = *s;
446 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
447 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
448 			     rows--; dest += VIDEO_LINE_LEN) {
449 				u8 bits = *cdat++;
450 
451 				((u32 *) dest)[0] =
452 					(video_font_draw_table8[bits >> 4] &
453 					 eorx) ^ bgx;
454 				((u32 *) dest)[1] =
455 					(video_font_draw_table8[bits & 15] &
456 					 eorx) ^ bgx;
457 			}
458 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
459 			s++;
460 		}
461 		break;
462 
463 	case GDF_15BIT_555RGB:
464 		while (count--) {
465 			c = *s;
466 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
467 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
468 			     rows--; dest += VIDEO_LINE_LEN) {
469 				u8 bits = *cdat++;
470 
471 				((u32 *) dest)[0] =
472 					SHORTSWAP32((video_font_draw_table15
473 						     [bits >> 6] & eorx) ^
474 						    bgx);
475 				((u32 *) dest)[1] =
476 					SHORTSWAP32((video_font_draw_table15
477 						     [bits >> 4 & 3] & eorx) ^
478 						    bgx);
479 				((u32 *) dest)[2] =
480 					SHORTSWAP32((video_font_draw_table15
481 						     [bits >> 2 & 3] & eorx) ^
482 						    bgx);
483 				((u32 *) dest)[3] =
484 					SHORTSWAP32((video_font_draw_table15
485 						     [bits & 3] & eorx) ^
486 						    bgx);
487 			}
488 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
489 			s++;
490 		}
491 		break;
492 
493 	case GDF_16BIT_565RGB:
494 		while (count--) {
495 			c = *s;
496 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
497 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
498 			     rows--; dest += VIDEO_LINE_LEN) {
499 				u8 bits = *cdat++;
500 
501 				((u32 *) dest)[0] =
502 					SHORTSWAP32((video_font_draw_table16
503 						     [bits >> 6] & eorx) ^
504 						    bgx);
505 				((u32 *) dest)[1] =
506 					SHORTSWAP32((video_font_draw_table16
507 						     [bits >> 4 & 3] & eorx) ^
508 						    bgx);
509 				((u32 *) dest)[2] =
510 					SHORTSWAP32((video_font_draw_table16
511 						     [bits >> 2 & 3] & eorx) ^
512 						    bgx);
513 				((u32 *) dest)[3] =
514 					SHORTSWAP32((video_font_draw_table16
515 						     [bits & 3] & eorx) ^
516 						    bgx);
517 			}
518 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
519 			s++;
520 		}
521 		break;
522 
523 	case GDF_32BIT_X888RGB:
524 		while (count--) {
525 			c = *s;
526 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
527 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
528 			     rows--; dest += VIDEO_LINE_LEN) {
529 				u8 bits = *cdat++;
530 
531 				((u32 *) dest)[0] =
532 					SWAP32((video_font_draw_table32
533 						[bits >> 4][0] & eorx) ^ bgx);
534 				((u32 *) dest)[1] =
535 					SWAP32((video_font_draw_table32
536 						[bits >> 4][1] & eorx) ^ bgx);
537 				((u32 *) dest)[2] =
538 					SWAP32((video_font_draw_table32
539 						[bits >> 4][2] & eorx) ^ bgx);
540 				((u32 *) dest)[3] =
541 					SWAP32((video_font_draw_table32
542 						[bits >> 4][3] & eorx) ^ bgx);
543 				((u32 *) dest)[4] =
544 					SWAP32((video_font_draw_table32
545 						[bits & 15][0] & eorx) ^ bgx);
546 				((u32 *) dest)[5] =
547 					SWAP32((video_font_draw_table32
548 						[bits & 15][1] & eorx) ^ bgx);
549 				((u32 *) dest)[6] =
550 					SWAP32((video_font_draw_table32
551 						[bits & 15][2] & eorx) ^ bgx);
552 				((u32 *) dest)[7] =
553 					SWAP32((video_font_draw_table32
554 						[bits & 15][3] & eorx) ^ bgx);
555 			}
556 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
557 			s++;
558 		}
559 		break;
560 
561 	case GDF_24BIT_888RGB:
562 		while (count--) {
563 			c = *s;
564 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
565 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
566 			     rows--; dest += VIDEO_LINE_LEN) {
567 				u8 bits = *cdat++;
568 
569 				((u32 *) dest)[0] =
570 					(video_font_draw_table24[bits >> 4][0]
571 					 & eorx) ^ bgx;
572 				((u32 *) dest)[1] =
573 					(video_font_draw_table24[bits >> 4][1]
574 					 & eorx) ^ bgx;
575 				((u32 *) dest)[2] =
576 					(video_font_draw_table24[bits >> 4][2]
577 					 & eorx) ^ bgx;
578 				((u32 *) dest)[3] =
579 					(video_font_draw_table24[bits & 15][0]
580 					 & eorx) ^ bgx;
581 				((u32 *) dest)[4] =
582 					(video_font_draw_table24[bits & 15][1]
583 					 & eorx) ^ bgx;
584 				((u32 *) dest)[5] =
585 					(video_font_draw_table24[bits & 15][2]
586 					 & eorx) ^ bgx;
587 			}
588 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
589 			s++;
590 		}
591 		break;
592 	}
593 }
594 
595 static inline void video_drawstring(int xx, int yy, unsigned char *s)
596 {
597 	video_drawchars(xx, yy, s, strlen((char *) s));
598 }
599 
600 static void video_putchar(int xx, int yy, unsigned char c)
601 {
602 	video_drawchars(xx, yy + video_logo_height, &c, 1);
603 }
604 
605 #if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
606 static void video_set_cursor(void)
607 {
608 	if (cursor_state)
609 		console_cursor(0);
610 	console_cursor(1);
611 }
612 
613 static void video_invertchar(int xx, int yy)
614 {
615 	int firstx = xx * VIDEO_PIXEL_SIZE;
616 	int lastx = (xx + VIDEO_FONT_WIDTH) * VIDEO_PIXEL_SIZE;
617 	int firsty = yy * VIDEO_LINE_LEN;
618 	int lasty = (yy + VIDEO_FONT_HEIGHT) * VIDEO_LINE_LEN;
619 	int x, y;
620 	for (y = firsty; y < lasty; y += VIDEO_LINE_LEN) {
621 		for (x = firstx; x < lastx; x++) {
622 			u8 *dest = (u8 *)(video_fb_address) + x + y;
623 			*dest = ~*dest;
624 		}
625 	}
626 }
627 
628 void console_cursor(int state)
629 {
630 #ifdef CONFIG_CONSOLE_TIME
631 	struct rtc_time tm;
632 	char info[16];
633 
634 	/* time update only if cursor is on (faster scroll) */
635 	if (state) {
636 		rtc_get(&tm);
637 
638 		sprintf(info, " %02d:%02d:%02d ", tm.tm_hour, tm.tm_min,
639 			tm.tm_sec);
640 		video_drawstring(VIDEO_VISIBLE_COLS - 10 * VIDEO_FONT_WIDTH,
641 				 VIDEO_INFO_Y, (uchar *) info);
642 
643 		sprintf(info, "%02d.%02d.%04d", tm.tm_mday, tm.tm_mon,
644 			tm.tm_year);
645 		video_drawstring(VIDEO_VISIBLE_COLS - 10 * VIDEO_FONT_WIDTH,
646 				 VIDEO_INFO_Y + 1 * VIDEO_FONT_HEIGHT,
647 				 (uchar *) info);
648 	}
649 #endif
650 
651 	if (cursor_state != state) {
652 		if (cursor_state) {
653 			/* turn off the cursor */
654 			video_invertchar(old_col * VIDEO_FONT_WIDTH,
655 					 old_row * VIDEO_FONT_HEIGHT +
656 					 video_logo_height);
657 		} else {
658 			/* turn off the cursor and record where it is */
659 			video_invertchar(console_col * VIDEO_FONT_WIDTH,
660 					 console_row * VIDEO_FONT_HEIGHT +
661 					 video_logo_height);
662 			old_col = console_col;
663 			old_row = console_row;
664 		}
665 		cursor_state = state;
666 	}
667 }
668 #endif
669 
670 #ifndef VIDEO_HW_RECTFILL
671 static void memsetl(int *p, int c, int v)
672 {
673 	while (c--)
674 		*(p++) = v;
675 }
676 #endif
677 
678 #ifndef VIDEO_HW_BITBLT
679 static void memcpyl(int *d, int *s, int c)
680 {
681 	while (c--)
682 		*(d++) = *(s++);
683 }
684 #endif
685 
686 static void console_scrollup(void)
687 {
688 	/* copy up rows ignoring the first one */
689 
690 #ifdef VIDEO_HW_BITBLT
691 	video_hw_bitblt(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
692 			0,			/* source pos x */
693 			video_logo_height +
694 				VIDEO_FONT_HEIGHT, /* source pos y */
695 			0,			/* dest pos x */
696 			video_logo_height,	/* dest pos y */
697 			VIDEO_VISIBLE_COLS,	/* frame width */
698 			VIDEO_VISIBLE_ROWS
699 			- video_logo_height
700 			- VIDEO_FONT_HEIGHT	/* frame height */
701 		);
702 #else
703 	memcpyl(CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND,
704 		CONSOLE_SCROLL_SIZE >> 2);
705 #endif
706 
707 	/* clear the last one */
708 #ifdef VIDEO_HW_RECTFILL
709 	video_hw_rectfill(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
710 			  0,			/* dest pos x */
711 			  VIDEO_VISIBLE_ROWS
712 			  - VIDEO_FONT_HEIGHT,	/* dest pos y */
713 			  VIDEO_VISIBLE_COLS,	/* frame width */
714 			  VIDEO_FONT_HEIGHT,	/* frame height */
715 			  CONSOLE_BG_COL	/* fill color */
716 		);
717 #else
718 	memsetl(CONSOLE_ROW_LAST, CONSOLE_ROW_SIZE >> 2, CONSOLE_BG_COL);
719 #endif
720 }
721 
722 static void console_back(void)
723 {
724 	CURSOR_OFF;
725 	console_col--;
726 
727 	if (console_col < 0) {
728 		console_col = CONSOLE_COLS - 1;
729 		console_row--;
730 		if (console_row < 0)
731 			console_row = 0;
732 	}
733 	CURSOR_SET;
734 }
735 
736 static void console_newline(void)
737 {
738 	console_row++;
739 	console_col = 0;
740 
741 	/* Check if we need to scroll the terminal */
742 	if (console_row >= CONSOLE_ROWS) {
743 		/* Scroll everything up */
744 		console_scrollup();
745 
746 		/* Decrement row number */
747 		console_row--;
748 	}
749 }
750 
751 static void console_cr(void)
752 {
753 	console_col = 0;
754 }
755 
756 void video_putc(const char c)
757 {
758 	static int nl = 1;
759 
760 	CURSOR_OFF;
761 
762 	switch (c) {
763 	case 13:		/* back to first column */
764 		console_cr();
765 		break;
766 
767 	case '\n':		/* next line */
768 		if (console_col || (!console_col && nl))
769 			console_newline();
770 		nl = 1;
771 		break;
772 
773 	case 9:		/* tab 8 */
774 		console_col |= 0x0008;
775 		console_col &= ~0x0007;
776 
777 		if (console_col >= CONSOLE_COLS)
778 			console_newline();
779 		break;
780 
781 	case 8:		/* backspace */
782 		console_back();
783 		break;
784 
785 	default:		/* draw the char */
786 		video_putchar(console_col * VIDEO_FONT_WIDTH,
787 			      console_row * VIDEO_FONT_HEIGHT, c);
788 		console_col++;
789 
790 		/* check for newline */
791 		if (console_col >= CONSOLE_COLS) {
792 			console_newline();
793 			nl = 0;
794 		}
795 	}
796 	CURSOR_SET;
797 }
798 
799 void video_puts(const char *s)
800 {
801 	int count = strlen(s);
802 
803 	while (count--)
804 		video_putc(*s++);
805 }
806 
807 /*
808  * Do not enforce drivers (or board code) to provide empty
809  * video_set_lut() if they do not support 8 bpp format.
810  * Implement weak default function instead.
811  */
812 void __video_set_lut(unsigned int index, unsigned char r,
813 		     unsigned char g, unsigned char b)
814 {
815 }
816 
817 void video_set_lut(unsigned int, unsigned char, unsigned char, unsigned char)
818 	__attribute__ ((weak, alias("__video_set_lut")));
819 
820 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
821 
822 #define FILL_8BIT_332RGB(r,g,b)	{			\
823 	*fb = ((r>>5)<<5) | ((g>>5)<<2) | (b>>6);	\
824 	fb ++;						\
825 }
826 
827 #define FILL_15BIT_555RGB(r,g,b) {			\
828 	*(unsigned short *)fb =				\
829 		SWAP16((unsigned short)(((r>>3)<<10) |	\
830 					((g>>3)<<5)  |	\
831 					 (b>>3)));	\
832 	fb += 2;					\
833 }
834 
835 #define FILL_16BIT_565RGB(r,g,b) {			\
836 	*(unsigned short *)fb =				\
837 		SWAP16((unsigned short)((((r)>>3)<<11)| \
838 					(((g)>>2)<<5) | \
839 					 ((b)>>3)));	\
840 	fb += 2;					\
841 }
842 
843 #define FILL_32BIT_X888RGB(r,g,b) {			\
844 	*(unsigned long *)fb =				\
845 		SWAP32((unsigned long)(((r<<16) |	\
846 					(g<<8)  |	\
847 					 b)));		\
848 	fb += 4;					\
849 }
850 
851 #ifdef VIDEO_FB_LITTLE_ENDIAN
852 #define FILL_24BIT_888RGB(r,g,b) {			\
853 	fb[0] = b;					\
854 	fb[1] = g;					\
855 	fb[2] = r;					\
856 	fb += 3;					\
857 }
858 #else
859 #define FILL_24BIT_888RGB(r,g,b) {			\
860 	fb[0] = r;					\
861 	fb[1] = g;					\
862 	fb[2] = b;					\
863 	fb += 3;					\
864 }
865 #endif
866 
867 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
868 static inline void fill_555rgb_pswap(uchar *fb, int x, u8 r, u8 g, u8 b)
869 {
870 	ushort *dst = (ushort *) fb;
871 	ushort color = (ushort) (((r >> 3) << 10) |
872 				 ((g >> 3) <<  5) |
873 				  (b >> 3));
874 	if (x & 1)
875 		*(--dst) = color;
876 	else
877 		*(++dst) = color;
878 }
879 #endif
880 
881 /*
882  * RLE8 bitmap support
883  */
884 
885 #ifdef CONFIG_VIDEO_BMP_RLE8
886 /* Pre-calculated color table entry */
887 struct palette {
888 	union {
889 		unsigned short w;	/* word */
890 		unsigned int dw;	/* double word */
891 	} ce;				/* color entry */
892 };
893 
894 /*
895  * Helper to draw encoded/unencoded run.
896  */
897 static void draw_bitmap(uchar **fb, uchar *bm, struct palette *p,
898 			int cnt, int enc)
899 {
900 	ulong addr = (ulong) *fb;
901 	int *off;
902 	int enc_off = 1;
903 	int i;
904 
905 	/*
906 	 * Setup offset of the color index in the bitmap.
907 	 * Color index of encoded run is at offset 1.
908 	 */
909 	off = enc ? &enc_off : &i;
910 
911 	switch (VIDEO_DATA_FORMAT) {
912 	case GDF__8BIT_INDEX:
913 		for (i = 0; i < cnt; i++)
914 			*(unsigned char *) addr++ = bm[*off];
915 		break;
916 	case GDF_15BIT_555RGB:
917 	case GDF_16BIT_565RGB:
918 		/* differences handled while pre-calculating palette */
919 		for (i = 0; i < cnt; i++) {
920 			*(unsigned short *) addr = p[bm[*off]].ce.w;
921 			addr += 2;
922 		}
923 		break;
924 	case GDF_32BIT_X888RGB:
925 		for (i = 0; i < cnt; i++) {
926 			*(unsigned long *) addr = p[bm[*off]].ce.dw;
927 			addr += 4;
928 		}
929 		break;
930 	}
931 	*fb = (uchar *) addr;	/* return modified address */
932 }
933 
934 static int display_rle8_bitmap(bmp_image_t *img, int xoff, int yoff,
935 			       int width, int height)
936 {
937 	unsigned char *bm;
938 	unsigned char *fbp;
939 	unsigned int cnt, runlen;
940 	int decode = 1;
941 	int x, y, bpp, i, ncolors;
942 	struct palette p[256];
943 	bmp_color_table_entry_t cte;
944 	int green_shift, red_off;
945 	int limit = VIDEO_COLS * VIDEO_ROWS;
946 	int pixels = 0;
947 
948 	x = 0;
949 	y = __le32_to_cpu(img->header.height) - 1;
950 	ncolors = __le32_to_cpu(img->header.colors_used);
951 	bpp = VIDEO_PIXEL_SIZE;
952 	fbp = (unsigned char *) ((unsigned int) video_fb_address +
953 				 (((y + yoff) * VIDEO_COLS) + xoff) * bpp);
954 
955 	bm = (uchar *) img + __le32_to_cpu(img->header.data_offset);
956 
957 	/* pre-calculate and setup palette */
958 	switch (VIDEO_DATA_FORMAT) {
959 	case GDF__8BIT_INDEX:
960 		for (i = 0; i < ncolors; i++) {
961 			cte = img->color_table[i];
962 			video_set_lut(i, cte.red, cte.green, cte.blue);
963 		}
964 		break;
965 	case GDF_15BIT_555RGB:
966 	case GDF_16BIT_565RGB:
967 		if (VIDEO_DATA_FORMAT == GDF_15BIT_555RGB) {
968 			green_shift = 3;
969 			red_off = 10;
970 		} else {
971 			green_shift = 2;
972 			red_off = 11;
973 		}
974 		for (i = 0; i < ncolors; i++) {
975 			cte = img->color_table[i];
976 			p[i].ce.w = SWAP16((unsigned short)
977 					   (((cte.red >> 3) << red_off) |
978 					    ((cte.green >> green_shift) << 5) |
979 					    cte.blue >> 3));
980 		}
981 		break;
982 	case GDF_32BIT_X888RGB:
983 		for (i = 0; i < ncolors; i++) {
984 			cte = img->color_table[i];
985 			p[i].ce.dw = SWAP32((cte.red << 16) |
986 					    (cte.green << 8) |
987 					     cte.blue);
988 		}
989 		break;
990 	default:
991 		printf("RLE Bitmap unsupported in video mode 0x%x\n",
992 		       VIDEO_DATA_FORMAT);
993 		return -1;
994 	}
995 
996 	while (decode) {
997 		switch (bm[0]) {
998 		case 0:
999 			switch (bm[1]) {
1000 			case 0:
1001 				/* scan line end marker */
1002 				bm += 2;
1003 				x = 0;
1004 				y--;
1005 				fbp = (unsigned char *)
1006 					((unsigned int) video_fb_address +
1007 					 (((y + yoff) * VIDEO_COLS) +
1008 					  xoff) * bpp);
1009 				continue;
1010 			case 1:
1011 				/* end of bitmap data marker */
1012 				decode = 0;
1013 				break;
1014 			case 2:
1015 				/* run offset marker */
1016 				x += bm[2];
1017 				y -= bm[3];
1018 				fbp = (unsigned char *)
1019 					((unsigned int) video_fb_address +
1020 					 (((y + yoff) * VIDEO_COLS) +
1021 					  x + xoff) * bpp);
1022 				bm += 4;
1023 				break;
1024 			default:
1025 				/* unencoded run */
1026 				cnt = bm[1];
1027 				runlen = cnt;
1028 				pixels += cnt;
1029 				if (pixels > limit)
1030 					goto error;
1031 
1032 				bm += 2;
1033 				if (y < height) {
1034 					if (x >= width) {
1035 						x += runlen;
1036 						goto next_run;
1037 					}
1038 					if (x + runlen > width)
1039 						cnt = width - x;
1040 					draw_bitmap(&fbp, bm, p, cnt, 0);
1041 					x += runlen;
1042 				}
1043 next_run:
1044 				bm += runlen;
1045 				if (runlen & 1)
1046 					bm++;	/* 0 padding if length is odd */
1047 			}
1048 			break;
1049 		default:
1050 			/* encoded run */
1051 			cnt = bm[0];
1052 			runlen = cnt;
1053 			pixels += cnt;
1054 			if (pixels > limit)
1055 				goto error;
1056 
1057 			if (y < height) {     /* only draw into visible area */
1058 				if (x >= width) {
1059 					x += runlen;
1060 					bm += 2;
1061 					continue;
1062 				}
1063 				if (x + runlen > width)
1064 					cnt = width - x;
1065 				draw_bitmap(&fbp, bm, p, cnt, 1);
1066 				x += runlen;
1067 			}
1068 			bm += 2;
1069 			break;
1070 		}
1071 	}
1072 	return 0;
1073 error:
1074 	printf("Error: Too much encoded pixel data, validate your bitmap\n");
1075 	return -1;
1076 }
1077 #endif
1078 
1079 /*
1080  * Display the BMP file located at address bmp_image.
1081  */
1082 int video_display_bitmap(ulong bmp_image, int x, int y)
1083 {
1084 	ushort xcount, ycount;
1085 	uchar *fb;
1086 	bmp_image_t *bmp = (bmp_image_t *) bmp_image;
1087 	uchar *bmap;
1088 	ushort padded_line;
1089 	unsigned long width, height, bpp;
1090 	unsigned colors;
1091 	unsigned long compression;
1092 	bmp_color_table_entry_t cte;
1093 
1094 #ifdef CONFIG_VIDEO_BMP_GZIP
1095 	unsigned char *dst = NULL;
1096 	ulong len;
1097 #endif
1098 
1099 	WATCHDOG_RESET();
1100 
1101 	if (!((bmp->header.signature[0] == 'B') &&
1102 	      (bmp->header.signature[1] == 'M'))) {
1103 
1104 #ifdef CONFIG_VIDEO_BMP_GZIP
1105 		/*
1106 		 * Could be a gzipped bmp image, try to decrompress...
1107 		 */
1108 		len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
1109 		dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
1110 		if (dst == NULL) {
1111 			printf("Error: malloc in gunzip failed!\n");
1112 			return 1;
1113 		}
1114 		if (gunzip(dst, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE,
1115 			   (uchar *) bmp_image,
1116 			   &len) != 0) {
1117 			printf("Error: no valid bmp or bmp.gz image at %lx\n",
1118 			       bmp_image);
1119 			free(dst);
1120 			return 1;
1121 		}
1122 		if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE) {
1123 			printf("Image could be truncated "
1124 				"(increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
1125 		}
1126 
1127 		/*
1128 		 * Set addr to decompressed image
1129 		 */
1130 		bmp = (bmp_image_t *) dst;
1131 
1132 		if (!((bmp->header.signature[0] == 'B') &&
1133 		      (bmp->header.signature[1] == 'M'))) {
1134 			printf("Error: no valid bmp.gz image at %lx\n",
1135 			       bmp_image);
1136 			free(dst);
1137 			return 1;
1138 		}
1139 #else
1140 		printf("Error: no valid bmp image at %lx\n", bmp_image);
1141 		return 1;
1142 #endif /* CONFIG_VIDEO_BMP_GZIP */
1143 	}
1144 
1145 	width = le32_to_cpu(bmp->header.width);
1146 	height = le32_to_cpu(bmp->header.height);
1147 	bpp = le16_to_cpu(bmp->header.bit_count);
1148 	colors = le32_to_cpu(bmp->header.colors_used);
1149 	compression = le32_to_cpu(bmp->header.compression);
1150 
1151 	debug("Display-bmp: %ld x %ld  with %d colors\n",
1152 	      width, height, colors);
1153 
1154 	if (compression != BMP_BI_RGB
1155 #ifdef CONFIG_VIDEO_BMP_RLE8
1156 	    && compression != BMP_BI_RLE8
1157 #endif
1158 		) {
1159 		printf("Error: compression type %ld not supported\n",
1160 		       compression);
1161 #ifdef CONFIG_VIDEO_BMP_GZIP
1162 		if (dst)
1163 			free(dst);
1164 #endif
1165 		return 1;
1166 	}
1167 
1168 	padded_line = (((width * bpp + 7) / 8) + 3) & ~0x3;
1169 
1170 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1171 	if (x == BMP_ALIGN_CENTER)
1172 		x = max(0, (VIDEO_VISIBLE_COLS - width) / 2);
1173 	else if (x < 0)
1174 		x = max(0, VIDEO_VISIBLE_COLS - width + x + 1);
1175 
1176 	if (y == BMP_ALIGN_CENTER)
1177 		y = max(0, (VIDEO_VISIBLE_ROWS - height) / 2);
1178 	else if (y < 0)
1179 		y = max(0, VIDEO_VISIBLE_ROWS - height + y + 1);
1180 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1181 
1182 	if ((x + width) > VIDEO_VISIBLE_COLS)
1183 		width = VIDEO_VISIBLE_COLS - x;
1184 	if ((y + height) > VIDEO_VISIBLE_ROWS)
1185 		height = VIDEO_VISIBLE_ROWS - y;
1186 
1187 	bmap = (uchar *) bmp + le32_to_cpu(bmp->header.data_offset);
1188 	fb = (uchar *) (video_fb_address +
1189 			((y + height - 1) * VIDEO_COLS * VIDEO_PIXEL_SIZE) +
1190 			x * VIDEO_PIXEL_SIZE);
1191 
1192 #ifdef CONFIG_VIDEO_BMP_RLE8
1193 	if (compression == BMP_BI_RLE8) {
1194 		return display_rle8_bitmap(bmp, x, y, width, height);
1195 	}
1196 #endif
1197 
1198 	/* We handle only 4, 8, or 24 bpp bitmaps */
1199 	switch (le16_to_cpu(bmp->header.bit_count)) {
1200 	case 4:
1201 		padded_line -= width / 2;
1202 		ycount = height;
1203 
1204 		switch (VIDEO_DATA_FORMAT) {
1205 		case GDF_32BIT_X888RGB:
1206 			while (ycount--) {
1207 				WATCHDOG_RESET();
1208 				/*
1209 				 * Don't assume that 'width' is an
1210 				 * even number
1211 				 */
1212 				for (xcount = 0; xcount < width; xcount++) {
1213 					uchar idx;
1214 
1215 					if (xcount & 1) {
1216 						idx = *bmap & 0xF;
1217 						bmap++;
1218 					} else
1219 						idx = *bmap >> 4;
1220 					cte = bmp->color_table[idx];
1221 					FILL_32BIT_X888RGB(cte.red, cte.green,
1222 							   cte.blue);
1223 				}
1224 				bmap += padded_line;
1225 				fb -= (VIDEO_VISIBLE_COLS + width) *
1226 					VIDEO_PIXEL_SIZE;
1227 			}
1228 			break;
1229 		default:
1230 			puts("4bpp bitmap unsupported with current "
1231 			     "video mode\n");
1232 			break;
1233 		}
1234 		break;
1235 
1236 	case 8:
1237 		padded_line -= width;
1238 		if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
1239 			/* Copy colormap */
1240 			for (xcount = 0; xcount < colors; ++xcount) {
1241 				cte = bmp->color_table[xcount];
1242 				video_set_lut(xcount, cte.red, cte.green,
1243 					      cte.blue);
1244 			}
1245 		}
1246 		ycount = height;
1247 		switch (VIDEO_DATA_FORMAT) {
1248 		case GDF__8BIT_INDEX:
1249 			while (ycount--) {
1250 				WATCHDOG_RESET();
1251 				xcount = width;
1252 				while (xcount--) {
1253 					*fb++ = *bmap++;
1254 				}
1255 				bmap += padded_line;
1256 				fb -= (VIDEO_VISIBLE_COLS + width) *
1257 							VIDEO_PIXEL_SIZE;
1258 			}
1259 			break;
1260 		case GDF__8BIT_332RGB:
1261 			while (ycount--) {
1262 				WATCHDOG_RESET();
1263 				xcount = width;
1264 				while (xcount--) {
1265 					cte = bmp->color_table[*bmap++];
1266 					FILL_8BIT_332RGB(cte.red, cte.green,
1267 							 cte.blue);
1268 				}
1269 				bmap += padded_line;
1270 				fb -= (VIDEO_VISIBLE_COLS + width) *
1271 							VIDEO_PIXEL_SIZE;
1272 			}
1273 			break;
1274 		case GDF_15BIT_555RGB:
1275 			while (ycount--) {
1276 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1277 				int xpos = x;
1278 #endif
1279 				WATCHDOG_RESET();
1280 				xcount = width;
1281 				while (xcount--) {
1282 					cte = bmp->color_table[*bmap++];
1283 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1284 					fill_555rgb_pswap(fb, xpos++, cte.red,
1285 							  cte.green,
1286 							  cte.blue);
1287 					fb += 2;
1288 #else
1289 					FILL_15BIT_555RGB(cte.red, cte.green,
1290 							  cte.blue);
1291 #endif
1292 				}
1293 				bmap += padded_line;
1294 				fb -= (VIDEO_VISIBLE_COLS + width) *
1295 							VIDEO_PIXEL_SIZE;
1296 			}
1297 			break;
1298 		case GDF_16BIT_565RGB:
1299 			while (ycount--) {
1300 				WATCHDOG_RESET();
1301 				xcount = width;
1302 				while (xcount--) {
1303 					cte = bmp->color_table[*bmap++];
1304 					FILL_16BIT_565RGB(cte.red, cte.green,
1305 							  cte.blue);
1306 				}
1307 				bmap += padded_line;
1308 				fb -= (VIDEO_VISIBLE_COLS + width) *
1309 							VIDEO_PIXEL_SIZE;
1310 			}
1311 			break;
1312 		case GDF_32BIT_X888RGB:
1313 			while (ycount--) {
1314 				WATCHDOG_RESET();
1315 				xcount = width;
1316 				while (xcount--) {
1317 					cte = bmp->color_table[*bmap++];
1318 					FILL_32BIT_X888RGB(cte.red, cte.green,
1319 							   cte.blue);
1320 				}
1321 				bmap += padded_line;
1322 				fb -= (VIDEO_VISIBLE_COLS + width) *
1323 							VIDEO_PIXEL_SIZE;
1324 			}
1325 			break;
1326 		case GDF_24BIT_888RGB:
1327 			while (ycount--) {
1328 				WATCHDOG_RESET();
1329 				xcount = width;
1330 				while (xcount--) {
1331 					cte = bmp->color_table[*bmap++];
1332 					FILL_24BIT_888RGB(cte.red, cte.green,
1333 							  cte.blue);
1334 				}
1335 				bmap += padded_line;
1336 				fb -= (VIDEO_VISIBLE_COLS + width) *
1337 							VIDEO_PIXEL_SIZE;
1338 			}
1339 			break;
1340 		}
1341 		break;
1342 	case 24:
1343 		padded_line -= 3 * width;
1344 		ycount = height;
1345 		switch (VIDEO_DATA_FORMAT) {
1346 		case GDF__8BIT_332RGB:
1347 			while (ycount--) {
1348 				WATCHDOG_RESET();
1349 				xcount = width;
1350 				while (xcount--) {
1351 					FILL_8BIT_332RGB(bmap[2], bmap[1],
1352 							 bmap[0]);
1353 					bmap += 3;
1354 				}
1355 				bmap += padded_line;
1356 				fb -= (VIDEO_VISIBLE_COLS + width) *
1357 							VIDEO_PIXEL_SIZE;
1358 			}
1359 			break;
1360 		case GDF_15BIT_555RGB:
1361 			while (ycount--) {
1362 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1363 				int xpos = x;
1364 #endif
1365 				WATCHDOG_RESET();
1366 				xcount = width;
1367 				while (xcount--) {
1368 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1369 					fill_555rgb_pswap(fb, xpos++, bmap[2],
1370 							  bmap[1], bmap[0]);
1371 					fb += 2;
1372 #else
1373 					FILL_15BIT_555RGB(bmap[2], bmap[1],
1374 							  bmap[0]);
1375 #endif
1376 					bmap += 3;
1377 				}
1378 				bmap += padded_line;
1379 				fb -= (VIDEO_VISIBLE_COLS + width) *
1380 							VIDEO_PIXEL_SIZE;
1381 			}
1382 			break;
1383 		case GDF_16BIT_565RGB:
1384 			while (ycount--) {
1385 				WATCHDOG_RESET();
1386 				xcount = width;
1387 				while (xcount--) {
1388 					FILL_16BIT_565RGB(bmap[2], bmap[1],
1389 							  bmap[0]);
1390 					bmap += 3;
1391 				}
1392 				bmap += padded_line;
1393 				fb -= (VIDEO_VISIBLE_COLS + width) *
1394 							VIDEO_PIXEL_SIZE;
1395 			}
1396 			break;
1397 		case GDF_32BIT_X888RGB:
1398 			while (ycount--) {
1399 				WATCHDOG_RESET();
1400 				xcount = width;
1401 				while (xcount--) {
1402 					FILL_32BIT_X888RGB(bmap[2], bmap[1],
1403 							   bmap[0]);
1404 					bmap += 3;
1405 				}
1406 				bmap += padded_line;
1407 				fb -= (VIDEO_VISIBLE_COLS + width) *
1408 							VIDEO_PIXEL_SIZE;
1409 			}
1410 			break;
1411 		case GDF_24BIT_888RGB:
1412 			while (ycount--) {
1413 				WATCHDOG_RESET();
1414 				xcount = width;
1415 				while (xcount--) {
1416 					FILL_24BIT_888RGB(bmap[2], bmap[1],
1417 							  bmap[0]);
1418 					bmap += 3;
1419 				}
1420 				bmap += padded_line;
1421 				fb -= (VIDEO_VISIBLE_COLS + width) *
1422 							VIDEO_PIXEL_SIZE;
1423 			}
1424 			break;
1425 		default:
1426 			printf("Error: 24 bits/pixel bitmap incompatible "
1427 				"with current video mode\n");
1428 			break;
1429 		}
1430 		break;
1431 	default:
1432 		printf("Error: %d bit/pixel bitmaps not supported by U-Boot\n",
1433 			le16_to_cpu(bmp->header.bit_count));
1434 		break;
1435 	}
1436 
1437 #ifdef CONFIG_VIDEO_BMP_GZIP
1438 	if (dst) {
1439 		free(dst);
1440 	}
1441 #endif
1442 
1443 	return (0);
1444 }
1445 #endif
1446 
1447 
1448 #ifdef CONFIG_VIDEO_LOGO
1449 void logo_plot(void *screen, int width, int x, int y)
1450 {
1451 
1452 	int xcount, i;
1453 	int skip = (width - VIDEO_LOGO_WIDTH) * VIDEO_PIXEL_SIZE;
1454 	int ycount = video_logo_height;
1455 	unsigned char r, g, b, *logo_red, *logo_blue, *logo_green;
1456 	unsigned char *source;
1457 	unsigned char *dest = (unsigned char *) screen +
1458 		((y * width * VIDEO_PIXEL_SIZE) + x * VIDEO_PIXEL_SIZE);
1459 
1460 #ifdef CONFIG_VIDEO_BMP_LOGO
1461 	source = bmp_logo_bitmap;
1462 
1463 	/* Allocate temporary space for computing colormap */
1464 	logo_red = malloc(BMP_LOGO_COLORS);
1465 	logo_green = malloc(BMP_LOGO_COLORS);
1466 	logo_blue = malloc(BMP_LOGO_COLORS);
1467 	/* Compute color map */
1468 	for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
1469 		logo_red[i] = (bmp_logo_palette[i] & 0x0f00) >> 4;
1470 		logo_green[i] = (bmp_logo_palette[i] & 0x00f0);
1471 		logo_blue[i] = (bmp_logo_palette[i] & 0x000f) << 4;
1472 	}
1473 #else
1474 	source = linux_logo;
1475 	logo_red = linux_logo_red;
1476 	logo_green = linux_logo_green;
1477 	logo_blue = linux_logo_blue;
1478 #endif
1479 
1480 	if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
1481 		for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
1482 			video_set_lut(i + VIDEO_LOGO_LUT_OFFSET,
1483 				      logo_red[i], logo_green[i],
1484 				      logo_blue[i]);
1485 		}
1486 	}
1487 
1488 	while (ycount--) {
1489 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1490 		int xpos = x;
1491 #endif
1492 		xcount = VIDEO_LOGO_WIDTH;
1493 		while (xcount--) {
1494 			r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
1495 			g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
1496 			b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
1497 
1498 			switch (VIDEO_DATA_FORMAT) {
1499 			case GDF__8BIT_INDEX:
1500 				*dest = *source;
1501 				break;
1502 			case GDF__8BIT_332RGB:
1503 				*dest = ((r >> 5) << 5) |
1504 					((g >> 5) << 2) |
1505 					 (b >> 6);
1506 				break;
1507 			case GDF_15BIT_555RGB:
1508 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1509 				fill_555rgb_pswap(dest, xpos++, r, g, b);
1510 #else
1511 				*(unsigned short *) dest =
1512 					SWAP16((unsigned short) (
1513 							((r >> 3) << 10) |
1514 							((g >> 3) <<  5) |
1515 							 (b >> 3)));
1516 #endif
1517 				break;
1518 			case GDF_16BIT_565RGB:
1519 				*(unsigned short *) dest =
1520 					SWAP16((unsigned short) (
1521 							((r >> 3) << 11) |
1522 							((g >> 2) <<  5) |
1523 							 (b >> 3)));
1524 				break;
1525 			case GDF_32BIT_X888RGB:
1526 				*(unsigned long *) dest =
1527 					SWAP32((unsigned long) (
1528 							(r << 16) |
1529 							(g <<  8) |
1530 							 b));
1531 				break;
1532 			case GDF_24BIT_888RGB:
1533 #ifdef VIDEO_FB_LITTLE_ENDIAN
1534 				dest[0] = b;
1535 				dest[1] = g;
1536 				dest[2] = r;
1537 #else
1538 				dest[0] = r;
1539 				dest[1] = g;
1540 				dest[2] = b;
1541 #endif
1542 				break;
1543 			}
1544 			source++;
1545 			dest += VIDEO_PIXEL_SIZE;
1546 		}
1547 		dest += skip;
1548 	}
1549 #ifdef CONFIG_VIDEO_BMP_LOGO
1550 	free(logo_red);
1551 	free(logo_green);
1552 	free(logo_blue);
1553 #endif
1554 }
1555 
1556 static void *video_logo(void)
1557 {
1558 	char info[128];
1559 	int space, len;
1560 	__maybe_unused int y_off = 0;
1561 
1562 #ifdef CONFIG_SPLASH_SCREEN
1563 	char *s;
1564 	ulong addr;
1565 
1566 	s = getenv("splashimage");
1567 	if (s != NULL) {
1568 		int x = 0, y = 0;
1569 
1570 		addr = simple_strtoul(s, NULL, 16);
1571 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1572 		s = getenv("splashpos");
1573 		if (s != NULL) {
1574 			if (s[0] == 'm')
1575 				x = BMP_ALIGN_CENTER;
1576 			else
1577 				x = simple_strtol(s, NULL, 0);
1578 
1579 			s = strchr(s + 1, ',');
1580 			if (s != NULL) {
1581 				if (s[1] == 'm')
1582 					y = BMP_ALIGN_CENTER;
1583 				else
1584 					y = simple_strtol(s + 1, NULL, 0);
1585 			}
1586 		}
1587 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1588 
1589 		if (video_display_bitmap(addr, x, y) == 0) {
1590 			video_logo_height = 0;
1591 			return ((void *) (video_fb_address));
1592 		}
1593 	}
1594 #endif /* CONFIG_SPLASH_SCREEN */
1595 
1596 	logo_plot(video_fb_address, VIDEO_COLS, 0, 0);
1597 
1598 	sprintf(info, " %s", version_string);
1599 
1600 	space = (VIDEO_LINE_LEN / 2 - VIDEO_INFO_X) / VIDEO_FONT_WIDTH;
1601 	len = strlen(info);
1602 
1603 	if (len > space) {
1604 		video_drawchars(VIDEO_INFO_X, VIDEO_INFO_Y,
1605 				(uchar *) info, space);
1606 		video_drawchars(VIDEO_INFO_X + VIDEO_FONT_WIDTH,
1607 				VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
1608 				(uchar *) info + space, len - space);
1609 		y_off = 1;
1610 	} else
1611 		video_drawstring(VIDEO_INFO_X, VIDEO_INFO_Y, (uchar *) info);
1612 
1613 #ifdef CONFIG_CONSOLE_EXTRA_INFO
1614 	{
1615 		int i, n =
1616 			((video_logo_height -
1617 			  VIDEO_FONT_HEIGHT) / VIDEO_FONT_HEIGHT);
1618 
1619 		for (i = 1; i < n; i++) {
1620 			video_get_info_str(i, info);
1621 			if (!*info)
1622 				continue;
1623 
1624 			len = strlen(info);
1625 			if (len > space) {
1626 				video_drawchars(VIDEO_INFO_X,
1627 						VIDEO_INFO_Y +
1628 						(i + y_off) *
1629 							VIDEO_FONT_HEIGHT,
1630 						(uchar *) info, space);
1631 				y_off++;
1632 				video_drawchars(VIDEO_INFO_X +
1633 						VIDEO_FONT_WIDTH,
1634 						VIDEO_INFO_Y +
1635 							(i + y_off) *
1636 							VIDEO_FONT_HEIGHT,
1637 						(uchar *) info + space,
1638 						len - space);
1639 			} else {
1640 				video_drawstring(VIDEO_INFO_X,
1641 						 VIDEO_INFO_Y +
1642 						 (i + y_off) *
1643 							VIDEO_FONT_HEIGHT,
1644 						 (uchar *) info);
1645 			}
1646 		}
1647 	}
1648 #endif
1649 
1650 	return (video_fb_address + video_logo_height * VIDEO_LINE_LEN);
1651 }
1652 #endif
1653 
1654 static int video_init(void)
1655 {
1656 	unsigned char color8;
1657 
1658 	pGD = video_hw_init();
1659 	if (pGD == NULL)
1660 		return -1;
1661 
1662 	video_fb_address = (void *) VIDEO_FB_ADRS;
1663 #ifdef CONFIG_VIDEO_HW_CURSOR
1664 	video_init_hw_cursor(VIDEO_FONT_WIDTH, VIDEO_FONT_HEIGHT);
1665 #endif
1666 
1667 	/* Init drawing pats */
1668 	switch (VIDEO_DATA_FORMAT) {
1669 	case GDF__8BIT_INDEX:
1670 		video_set_lut(0x01, CONSOLE_FG_COL, CONSOLE_FG_COL,
1671 			      CONSOLE_FG_COL);
1672 		video_set_lut(0x00, CONSOLE_BG_COL, CONSOLE_BG_COL,
1673 			      CONSOLE_BG_COL);
1674 		fgx = 0x01010101;
1675 		bgx = 0x00000000;
1676 		break;
1677 	case GDF__8BIT_332RGB:
1678 		color8 = ((CONSOLE_FG_COL & 0xe0) |
1679 			  ((CONSOLE_FG_COL >> 3) & 0x1c) |
1680 			  CONSOLE_FG_COL >> 6);
1681 		fgx = (color8 << 24) | (color8 << 16) | (color8 << 8) |
1682 			color8;
1683 		color8 = ((CONSOLE_BG_COL & 0xe0) |
1684 			  ((CONSOLE_BG_COL >> 3) & 0x1c) |
1685 			  CONSOLE_BG_COL >> 6);
1686 		bgx = (color8 << 24) | (color8 << 16) | (color8 << 8) |
1687 			color8;
1688 		break;
1689 	case GDF_15BIT_555RGB:
1690 		fgx = (((CONSOLE_FG_COL >> 3) << 26) |
1691 		       ((CONSOLE_FG_COL >> 3) << 21) |
1692 		       ((CONSOLE_FG_COL >> 3) << 16) |
1693 		       ((CONSOLE_FG_COL >> 3) << 10) |
1694 		       ((CONSOLE_FG_COL >> 3) <<  5) |
1695 			(CONSOLE_FG_COL >> 3));
1696 		bgx = (((CONSOLE_BG_COL >> 3) << 26) |
1697 		       ((CONSOLE_BG_COL >> 3) << 21) |
1698 		       ((CONSOLE_BG_COL >> 3) << 16) |
1699 		       ((CONSOLE_BG_COL >> 3) << 10) |
1700 		       ((CONSOLE_BG_COL >> 3) <<  5) |
1701 			(CONSOLE_BG_COL >> 3));
1702 		break;
1703 	case GDF_16BIT_565RGB:
1704 		fgx = (((CONSOLE_FG_COL >> 3) << 27) |
1705 		       ((CONSOLE_FG_COL >> 2) << 21) |
1706 		       ((CONSOLE_FG_COL >> 3) << 16) |
1707 		       ((CONSOLE_FG_COL >> 3) << 11) |
1708 		       ((CONSOLE_FG_COL >> 2) <<  5) |
1709 			(CONSOLE_FG_COL >> 3));
1710 		bgx = (((CONSOLE_BG_COL >> 3) << 27) |
1711 		       ((CONSOLE_BG_COL >> 2) << 21) |
1712 		       ((CONSOLE_BG_COL >> 3) << 16) |
1713 		       ((CONSOLE_BG_COL >> 3) << 11) |
1714 		       ((CONSOLE_BG_COL >> 2) <<  5) |
1715 			(CONSOLE_BG_COL >> 3));
1716 		break;
1717 	case GDF_32BIT_X888RGB:
1718 		fgx =	(CONSOLE_FG_COL << 16) |
1719 			(CONSOLE_FG_COL <<  8) |
1720 			 CONSOLE_FG_COL;
1721 		bgx =	(CONSOLE_BG_COL << 16) |
1722 			(CONSOLE_BG_COL <<  8) |
1723 			 CONSOLE_BG_COL;
1724 		break;
1725 	case GDF_24BIT_888RGB:
1726 		fgx =	(CONSOLE_FG_COL << 24) |
1727 			(CONSOLE_FG_COL << 16) |
1728 			(CONSOLE_FG_COL <<  8) |
1729 			 CONSOLE_FG_COL;
1730 		bgx =	(CONSOLE_BG_COL << 24) |
1731 			(CONSOLE_BG_COL << 16) |
1732 			(CONSOLE_BG_COL <<  8) |
1733 			 CONSOLE_BG_COL;
1734 		break;
1735 	}
1736 	eorx = fgx ^ bgx;
1737 
1738 #ifdef CONFIG_VIDEO_LOGO
1739 	/* Plot the logo and get start point of console */
1740 	debug("Video: Drawing the logo ...\n");
1741 	video_console_address = video_logo();
1742 #else
1743 	video_console_address = video_fb_address;
1744 #endif
1745 
1746 	/* Initialize the console */
1747 	console_col = 0;
1748 	console_row = 0;
1749 
1750 	return 0;
1751 }
1752 
1753 /*
1754  * Implement a weak default function for boards that optionally
1755  * need to skip the video initialization.
1756  */
1757 int __board_video_skip(void)
1758 {
1759 	/* As default, don't skip test */
1760 	return 0;
1761 }
1762 
1763 int board_video_skip(void)
1764 	__attribute__ ((weak, alias("__board_video_skip")));
1765 
1766 int drv_video_init(void)
1767 {
1768 	int skip_dev_init;
1769 	struct stdio_dev console_dev;
1770 
1771 	/* Check if video initialization should be skipped */
1772 	if (board_video_skip())
1773 		return 0;
1774 
1775 	/* Init video chip - returns with framebuffer cleared */
1776 	skip_dev_init = (video_init() == -1);
1777 
1778 #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
1779 	debug("KBD: Keyboard init ...\n");
1780 	skip_dev_init |= (VIDEO_KBD_INIT_FCT == -1);
1781 #endif
1782 
1783 	if (skip_dev_init)
1784 		return 0;
1785 
1786 	/* Init vga device */
1787 	memset(&console_dev, 0, sizeof(console_dev));
1788 	strcpy(console_dev.name, "vga");
1789 	console_dev.ext = DEV_EXT_VIDEO;	/* Video extensions */
1790 	console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
1791 	console_dev.putc = video_putc;	/* 'putc' function */
1792 	console_dev.puts = video_puts;	/* 'puts' function */
1793 	console_dev.tstc = NULL;	/* 'tstc' function */
1794 	console_dev.getc = NULL;	/* 'getc' function */
1795 
1796 #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
1797 	/* Also init console device */
1798 	console_dev.flags |= DEV_FLAGS_INPUT;
1799 	console_dev.tstc = VIDEO_TSTC_FCT;	/* 'tstc' function */
1800 	console_dev.getc = VIDEO_GETC_FCT;	/* 'getc' function */
1801 #endif /* CONFIG_VGA_AS_SINGLE_DEVICE */
1802 
1803 	if (stdio_register(&console_dev) != 0)
1804 		return 0;
1805 
1806 	/* Return success */
1807 	return 1;
1808 }
1809