xref: /openbmc/u-boot/drivers/video/cfb_console.c (revision 610751e9)
1 /*
2  * (C) Copyright 2002 ELTEC Elektronik AG
3  * Frank Gottschling <fgottschling@eltec.de>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * cfb_console.c
10  *
11  * Color Framebuffer Console driver for 8/15/16/24/32 bits per pixel.
12  *
13  * At the moment only the 8x16 font is tested and the font fore- and
14  * background color is limited to black/white/gray colors. The Linux
15  * logo can be placed in the upper left corner and additional board
16  * information strings (that normally goes to serial port) can be drawn.
17  *
18  * The console driver can use the standard PC keyboard interface (i8042)
19  * for character input. Character output goes to a memory mapped video
20  * framebuffer with little or big-endian organisation.
21  * With environment setting 'console=serial' the console i/o can be
22  * forced to serial port.
23  *
24  * The driver uses graphic specific defines/parameters/functions:
25  *
26  * (for SMI LynxE graphic chip)
27  *
28  * CONFIG_VIDEO_SMI_LYNXEM    - use graphic driver for SMI 710,712,810
29  * VIDEO_FB_LITTLE_ENDIAN     - framebuffer organisation default: big endian
30  * VIDEO_HW_RECTFILL	      - graphic driver supports hardware rectangle fill
31  * VIDEO_HW_BITBLT	      - graphic driver supports hardware bit blt
32  *
33  * Console Parameters are set by graphic drivers global struct:
34  *
35  * VIDEO_VISIBLE_COLS	      - x resolution
36  * VIDEO_VISIBLE_ROWS	      - y resolution
37  * VIDEO_PIXEL_SIZE	      - storage size in byte per pixel
38  * VIDEO_DATA_FORMAT	      - graphical data format GDF
39  * VIDEO_FB_ADRS	      - start of video memory
40  *
41  * CONFIG_I8042_KBD	      - AT Keyboard driver for i8042
42  * VIDEO_KBD_INIT_FCT	      - init function for keyboard
43  * VIDEO_TSTC_FCT	      - keyboard_tstc function
44  * VIDEO_GETC_FCT	      - keyboard_getc function
45  *
46  * CONFIG_CONSOLE_CURSOR      - on/off drawing cursor is done with
47  *				delay loop in VIDEO_TSTC_FCT (i8042)
48  *
49  * CONFIG_SYS_CONSOLE_BLINK_COUNT - value for delay loop - blink rate
50  * CONFIG_CONSOLE_TIME	      - display time/date in upper right
51  *				corner, needs CONFIG_CMD_DATE and
52  *				CONFIG_CONSOLE_CURSOR
53  * CONFIG_VIDEO_LOGO	      - display Linux Logo in upper left corner.
54  *				Use CONFIG_SPLASH_SCREEN_ALIGN with
55  *				environment variable "splashpos" to place
56  *				the logo on other position. In this case
57  *				no CONSOLE_EXTRA_INFO is possible.
58  * CONFIG_VIDEO_BMP_LOGO      - use bmp_logo instead of linux_logo
59  * CONFIG_CONSOLE_EXTRA_INFO  - display additional board information
60  *				strings that normaly goes to serial
61  *				port.  This define requires a board
62  *				specific function:
63  *				video_drawstring (VIDEO_INFO_X,
64  *					VIDEO_INFO_Y + i*VIDEO_FONT_HEIGHT,
65  *					info);
66  *				that fills a info buffer at i=row.
67  *				s.a: board/eltec/bab7xx.
68  * CONFIG_VGA_AS_SINGLE_DEVICE - If set the framebuffer device will be
69  *				initialized as an output only device.
70  *				The Keyboard driver will not be
71  *				set-up.  This may be used, if you have
72  *				no or more than one Keyboard devices
73  *				(USB Keyboard, AT Keyboard).
74  *
75  * CONFIG_VIDEO_SW_CURSOR:    - Draws a cursor after the last
76  *				character. No blinking is provided.
77  *				Uses the macros CURSOR_SET and
78  *				CURSOR_OFF.
79  *
80  * CONFIG_VIDEO_HW_CURSOR:    - Uses the hardware cursor capability
81  *				of the graphic chip. Uses the macro
82  *				CURSOR_SET. ATTENTION: If booting an
83  *				OS, the display driver must disable
84  *				the hardware register of the graphic
85  *				chip. Otherwise a blinking field is
86  *				displayed.
87  */
88 
89 #include <common.h>
90 #include <fdtdec.h>
91 #include <version.h>
92 #include <malloc.h>
93 #include <linux/compiler.h>
94 
95 /*
96  * Console device defines with SMI graphic
97  * Any other graphic must change this section
98  */
99 
100 #ifdef	CONFIG_VIDEO_SMI_LYNXEM
101 
102 #define VIDEO_FB_LITTLE_ENDIAN
103 #define VIDEO_HW_RECTFILL
104 #define VIDEO_HW_BITBLT
105 #endif
106 
107 /*
108  * Defines for the CT69000 driver
109  */
110 #ifdef	CONFIG_VIDEO_CT69000
111 
112 #define VIDEO_FB_LITTLE_ENDIAN
113 #define VIDEO_HW_RECTFILL
114 #define VIDEO_HW_BITBLT
115 #endif
116 
117 /*
118  * Defines for the SED13806 driver
119  */
120 #ifdef CONFIG_VIDEO_SED13806
121 #define VIDEO_FB_LITTLE_ENDIAN
122 #define VIDEO_HW_RECTFILL
123 #define VIDEO_HW_BITBLT
124 #endif
125 
126 #ifdef CONFIG_VIDEO_MXS
127 #define VIDEO_FB_16BPP_WORD_SWAP
128 #endif
129 
130 /*
131  * Defines for the MB862xx driver
132  */
133 #ifdef CONFIG_VIDEO_MB862xx
134 
135 #ifdef CONFIG_VIDEO_CORALP
136 #define VIDEO_FB_LITTLE_ENDIAN
137 #endif
138 #ifdef CONFIG_VIDEO_MB862xx_ACCEL
139 #define VIDEO_HW_RECTFILL
140 #define VIDEO_HW_BITBLT
141 #endif
142 #endif
143 
144 /*
145  * Defines for the i.MX31 driver (mx3fb.c)
146  */
147 #if defined(CONFIG_VIDEO_MX3) || defined(CONFIG_VIDEO_IPUV3)
148 #define VIDEO_FB_16BPP_WORD_SWAP
149 #endif
150 
151 /*
152  * Include video_fb.h after definitions of VIDEO_HW_RECTFILL etc.
153  */
154 #include <video_fb.h>
155 
156 #include <splash.h>
157 
158 /*
159  * some Macros
160  */
161 #define VIDEO_VISIBLE_COLS	(pGD->winSizeX)
162 #define VIDEO_VISIBLE_ROWS	(pGD->winSizeY)
163 #define VIDEO_PIXEL_SIZE	(pGD->gdfBytesPP)
164 #define VIDEO_DATA_FORMAT	(pGD->gdfIndex)
165 #define VIDEO_FB_ADRS		(pGD->frameAdrs)
166 
167 /*
168  * Console device defines with i8042 keyboard controller
169  * Any other keyboard controller must change this section
170  */
171 
172 #ifdef	CONFIG_I8042_KBD
173 #include <i8042.h>
174 
175 #define VIDEO_KBD_INIT_FCT	i8042_kbd_init()
176 #define VIDEO_TSTC_FCT		i8042_tstc
177 #define VIDEO_GETC_FCT		i8042_getc
178 #endif
179 
180 /*
181  * Console device
182  */
183 
184 #include <version.h>
185 #include <linux/types.h>
186 #include <stdio_dev.h>
187 #include <video_font.h>
188 
189 #if defined(CONFIG_CMD_DATE)
190 #include <rtc.h>
191 #endif
192 
193 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
194 #include <watchdog.h>
195 #include <bmp_layout.h>
196 #include <splash.h>
197 #endif
198 
199 /*
200  * Cursor definition:
201  * CONFIG_CONSOLE_CURSOR:  Uses a timer function (see drivers/input/i8042.c)
202  *			   to let the cursor blink. Uses the macros
203  *			   CURSOR_OFF and CURSOR_ON.
204  * CONFIG_VIDEO_SW_CURSOR: Draws a cursor after the last character. No
205  *			   blinking is provided. Uses the macros CURSOR_SET
206  *			   and CURSOR_OFF.
207  * CONFIG_VIDEO_HW_CURSOR: Uses the hardware cursor capability of the
208  *			   graphic chip. Uses the macro CURSOR_SET.
209  *			   ATTENTION: If booting an OS, the display driver
210  *			   must disable the hardware register of the graphic
211  *			   chip. Otherwise a blinking field is displayed
212  */
213 #if !defined(CONFIG_CONSOLE_CURSOR) && \
214     !defined(CONFIG_VIDEO_SW_CURSOR) && \
215     !defined(CONFIG_VIDEO_HW_CURSOR)
216 /* no Cursor defined */
217 #define CURSOR_ON
218 #define CURSOR_OFF
219 #define CURSOR_SET
220 #endif
221 
222 #if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
223 #if defined(CURSOR_ON) || \
224 	(defined(CONFIG_CONSOLE_CURSOR) && defined(CONFIG_VIDEO_SW_CURSOR))
225 #error	only one of CONFIG_CONSOLE_CURSOR, CONFIG_VIDEO_SW_CURSOR, \
226 	or CONFIG_VIDEO_HW_CURSOR can be defined
227 #endif
228 void console_cursor(int state);
229 
230 #define CURSOR_ON  console_cursor(1)
231 #define CURSOR_OFF console_cursor(0)
232 #define CURSOR_SET video_set_cursor()
233 #endif /* CONFIG_CONSOLE_CURSOR || CONFIG_VIDEO_SW_CURSOR */
234 
235 #ifdef	CONFIG_CONSOLE_CURSOR
236 #ifndef	CONFIG_CONSOLE_TIME
237 #error	CONFIG_CONSOLE_CURSOR must be defined for CONFIG_CONSOLE_TIME
238 #endif
239 #ifndef CONFIG_I8042_KBD
240 #warning Cursor drawing on/off needs timer function s.a. drivers/input/i8042.c
241 #endif
242 #endif /* CONFIG_CONSOLE_CURSOR */
243 
244 
245 #ifdef CONFIG_VIDEO_HW_CURSOR
246 #ifdef	CURSOR_ON
247 #error	only one of CONFIG_CONSOLE_CURSOR, CONFIG_VIDEO_SW_CURSOR, \
248 	or CONFIG_VIDEO_HW_CURSOR can be defined
249 #endif
250 #define CURSOR_ON
251 #define CURSOR_OFF
252 #define CURSOR_SET video_set_hw_cursor(console_col * VIDEO_FONT_WIDTH, \
253 		  (console_row * VIDEO_FONT_HEIGHT) + video_logo_height)
254 #endif /* CONFIG_VIDEO_HW_CURSOR */
255 
256 #ifdef	CONFIG_VIDEO_LOGO
257 #ifdef	CONFIG_VIDEO_BMP_LOGO
258 #include <bmp_logo.h>
259 #include <bmp_logo_data.h>
260 #define VIDEO_LOGO_WIDTH	BMP_LOGO_WIDTH
261 #define VIDEO_LOGO_HEIGHT	BMP_LOGO_HEIGHT
262 #define VIDEO_LOGO_LUT_OFFSET	BMP_LOGO_OFFSET
263 #define VIDEO_LOGO_COLORS	BMP_LOGO_COLORS
264 
265 #else  /* CONFIG_VIDEO_BMP_LOGO */
266 #define LINUX_LOGO_WIDTH	80
267 #define LINUX_LOGO_HEIGHT	80
268 #define LINUX_LOGO_COLORS	214
269 #define LINUX_LOGO_LUT_OFFSET	0x20
270 #define __initdata
271 #include <linux_logo.h>
272 #define VIDEO_LOGO_WIDTH	LINUX_LOGO_WIDTH
273 #define VIDEO_LOGO_HEIGHT	LINUX_LOGO_HEIGHT
274 #define VIDEO_LOGO_LUT_OFFSET	LINUX_LOGO_LUT_OFFSET
275 #define VIDEO_LOGO_COLORS	LINUX_LOGO_COLORS
276 #endif /* CONFIG_VIDEO_BMP_LOGO */
277 #define VIDEO_INFO_X		(VIDEO_LOGO_WIDTH)
278 #define VIDEO_INFO_Y		(VIDEO_FONT_HEIGHT/2)
279 #else  /* CONFIG_VIDEO_LOGO */
280 #define VIDEO_LOGO_WIDTH	0
281 #define VIDEO_LOGO_HEIGHT	0
282 #endif /* CONFIG_VIDEO_LOGO */
283 
284 #define VIDEO_COLS		VIDEO_VISIBLE_COLS
285 #define VIDEO_ROWS		VIDEO_VISIBLE_ROWS
286 #ifndef VIDEO_LINE_LEN
287 #define VIDEO_LINE_LEN		(VIDEO_COLS * VIDEO_PIXEL_SIZE)
288 #endif
289 #define VIDEO_SIZE		(VIDEO_ROWS * VIDEO_LINE_LEN)
290 #define VIDEO_BURST_LEN		(VIDEO_COLS/8)
291 
292 #ifdef	CONFIG_VIDEO_LOGO
293 #define CONSOLE_ROWS		((VIDEO_ROWS - video_logo_height) / VIDEO_FONT_HEIGHT)
294 #else
295 #define CONSOLE_ROWS		(VIDEO_ROWS / VIDEO_FONT_HEIGHT)
296 #endif
297 
298 #define CONSOLE_COLS		(VIDEO_COLS / VIDEO_FONT_WIDTH)
299 #define CONSOLE_ROW_SIZE	(VIDEO_FONT_HEIGHT * VIDEO_LINE_LEN)
300 #define CONSOLE_ROW_FIRST	(video_console_address)
301 #define CONSOLE_ROW_SECOND	(video_console_address + CONSOLE_ROW_SIZE)
302 #define CONSOLE_ROW_LAST	(video_console_address + CONSOLE_SIZE - CONSOLE_ROW_SIZE)
303 #define CONSOLE_SIZE		(CONSOLE_ROW_SIZE * CONSOLE_ROWS)
304 
305 /* By default we scroll by a single line */
306 #ifndef CONFIG_CONSOLE_SCROLL_LINES
307 #define CONFIG_CONSOLE_SCROLL_LINES 1
308 #endif
309 
310 /* Macros */
311 #ifdef	VIDEO_FB_LITTLE_ENDIAN
312 #define SWAP16(x)		((((x) & 0x00ff) << 8) | \
313 				  ((x) >> 8) \
314 				)
315 #define SWAP32(x)		((((x) & 0x000000ff) << 24) | \
316 				 (((x) & 0x0000ff00) <<  8) | \
317 				 (((x) & 0x00ff0000) >>  8) | \
318 				 (((x) & 0xff000000) >> 24)   \
319 				)
320 #define SHORTSWAP32(x)		((((x) & 0x000000ff) <<  8) | \
321 				 (((x) & 0x0000ff00) >>  8) | \
322 				 (((x) & 0x00ff0000) <<  8) | \
323 				 (((x) & 0xff000000) >>  8)   \
324 				)
325 #else
326 #define SWAP16(x)		(x)
327 #define SWAP32(x)		(x)
328 #if defined(VIDEO_FB_16BPP_WORD_SWAP)
329 #define SHORTSWAP32(x)		(((x) >> 16) | ((x) << 16))
330 #else
331 #define SHORTSWAP32(x)		(x)
332 #endif
333 #endif
334 
335 #ifdef CONFIG_CONSOLE_EXTRA_INFO
336 /*
337  * setup a board string: type, speed, etc.
338  *
339  * line_number:	location to place info string beside logo
340  * info:	buffer for info string
341  */
342 extern void video_get_info_str(int line_number,	char *info);
343 #endif
344 
345 DECLARE_GLOBAL_DATA_PTR;
346 
347 /* Locals */
348 static GraphicDevice *pGD;	/* Pointer to Graphic array */
349 
350 static void *video_fb_address;	/* frame buffer address */
351 static void *video_console_address;	/* console buffer start address */
352 
353 static int video_logo_height = VIDEO_LOGO_HEIGHT;
354 
355 static int __maybe_unused cursor_state;
356 static int __maybe_unused old_col;
357 static int __maybe_unused old_row;
358 
359 static int console_col;		/* cursor col */
360 static int console_row;		/* cursor row */
361 
362 static u32 eorx, fgx, bgx;	/* color pats */
363 
364 static int cfb_do_flush_cache;
365 
366 #ifdef CONFIG_CFB_CONSOLE_ANSI
367 static char ansi_buf[10];
368 static int ansi_buf_size;
369 static int ansi_colors_need_revert;
370 static int ansi_cursor_hidden;
371 #endif
372 
373 static const int video_font_draw_table8[] = {
374 	0x00000000, 0x000000ff, 0x0000ff00, 0x0000ffff,
375 	0x00ff0000, 0x00ff00ff, 0x00ffff00, 0x00ffffff,
376 	0xff000000, 0xff0000ff, 0xff00ff00, 0xff00ffff,
377 	0xffff0000, 0xffff00ff, 0xffffff00, 0xffffffff
378 };
379 
380 static const int video_font_draw_table15[] = {
381 	0x00000000, 0x00007fff, 0x7fff0000, 0x7fff7fff
382 };
383 
384 static const int video_font_draw_table16[] = {
385 	0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff
386 };
387 
388 static const int video_font_draw_table24[16][3] = {
389 	{0x00000000, 0x00000000, 0x00000000},
390 	{0x00000000, 0x00000000, 0x00ffffff},
391 	{0x00000000, 0x0000ffff, 0xff000000},
392 	{0x00000000, 0x0000ffff, 0xffffffff},
393 	{0x000000ff, 0xffff0000, 0x00000000},
394 	{0x000000ff, 0xffff0000, 0x00ffffff},
395 	{0x000000ff, 0xffffffff, 0xff000000},
396 	{0x000000ff, 0xffffffff, 0xffffffff},
397 	{0xffffff00, 0x00000000, 0x00000000},
398 	{0xffffff00, 0x00000000, 0x00ffffff},
399 	{0xffffff00, 0x0000ffff, 0xff000000},
400 	{0xffffff00, 0x0000ffff, 0xffffffff},
401 	{0xffffffff, 0xffff0000, 0x00000000},
402 	{0xffffffff, 0xffff0000, 0x00ffffff},
403 	{0xffffffff, 0xffffffff, 0xff000000},
404 	{0xffffffff, 0xffffffff, 0xffffffff}
405 };
406 
407 static const int video_font_draw_table32[16][4] = {
408 	{0x00000000, 0x00000000, 0x00000000, 0x00000000},
409 	{0x00000000, 0x00000000, 0x00000000, 0x00ffffff},
410 	{0x00000000, 0x00000000, 0x00ffffff, 0x00000000},
411 	{0x00000000, 0x00000000, 0x00ffffff, 0x00ffffff},
412 	{0x00000000, 0x00ffffff, 0x00000000, 0x00000000},
413 	{0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff},
414 	{0x00000000, 0x00ffffff, 0x00ffffff, 0x00000000},
415 	{0x00000000, 0x00ffffff, 0x00ffffff, 0x00ffffff},
416 	{0x00ffffff, 0x00000000, 0x00000000, 0x00000000},
417 	{0x00ffffff, 0x00000000, 0x00000000, 0x00ffffff},
418 	{0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000},
419 	{0x00ffffff, 0x00000000, 0x00ffffff, 0x00ffffff},
420 	{0x00ffffff, 0x00ffffff, 0x00000000, 0x00000000},
421 	{0x00ffffff, 0x00ffffff, 0x00000000, 0x00ffffff},
422 	{0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00000000},
423 	{0x00ffffff, 0x00ffffff, 0x00ffffff, 0x00ffffff}
424 };
425 
426 /*
427  * Implement a weak default function for boards that optionally
428  * need to skip the cfb initialization.
429  */
430 __weak int board_cfb_skip(void)
431 {
432 	/* As default, don't skip cfb init */
433 	return 0;
434 }
435 
436 static void video_drawchars(int xx, int yy, unsigned char *s, int count)
437 {
438 	u8 *cdat, *dest, *dest0;
439 	int rows, offset, c;
440 
441 	offset = yy * VIDEO_LINE_LEN + xx * VIDEO_PIXEL_SIZE;
442 	dest0 = video_fb_address + offset;
443 
444 	switch (VIDEO_DATA_FORMAT) {
445 	case GDF__8BIT_INDEX:
446 	case GDF__8BIT_332RGB:
447 		while (count--) {
448 			c = *s;
449 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
450 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
451 			     rows--; dest += VIDEO_LINE_LEN) {
452 				u8 bits = *cdat++;
453 
454 				((u32 *) dest)[0] =
455 					(video_font_draw_table8[bits >> 4] &
456 					 eorx) ^ bgx;
457 
458 				if (VIDEO_FONT_WIDTH == 4)
459 					continue;
460 
461 				((u32 *) dest)[1] =
462 					(video_font_draw_table8[bits & 15] &
463 					 eorx) ^ bgx;
464 			}
465 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
466 			s++;
467 		}
468 		break;
469 
470 	case GDF_15BIT_555RGB:
471 		while (count--) {
472 			c = *s;
473 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
474 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
475 			     rows--; dest += VIDEO_LINE_LEN) {
476 				u8 bits = *cdat++;
477 
478 				((u32 *) dest)[0] =
479 					SHORTSWAP32((video_font_draw_table15
480 						     [bits >> 6] & eorx) ^
481 						    bgx);
482 				((u32 *) dest)[1] =
483 					SHORTSWAP32((video_font_draw_table15
484 						     [bits >> 4 & 3] & eorx) ^
485 						    bgx);
486 
487 				if (VIDEO_FONT_WIDTH == 4)
488 					continue;
489 
490 				((u32 *) dest)[2] =
491 					SHORTSWAP32((video_font_draw_table15
492 						     [bits >> 2 & 3] & eorx) ^
493 						    bgx);
494 				((u32 *) dest)[3] =
495 					SHORTSWAP32((video_font_draw_table15
496 						     [bits & 3] & eorx) ^
497 						    bgx);
498 			}
499 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
500 			s++;
501 		}
502 		break;
503 
504 	case GDF_16BIT_565RGB:
505 		while (count--) {
506 			c = *s;
507 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
508 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
509 			     rows--; dest += VIDEO_LINE_LEN) {
510 				u8 bits = *cdat++;
511 
512 				((u32 *) dest)[0] =
513 					SHORTSWAP32((video_font_draw_table16
514 						     [bits >> 6] & eorx) ^
515 						    bgx);
516 				((u32 *) dest)[1] =
517 					SHORTSWAP32((video_font_draw_table16
518 						     [bits >> 4 & 3] & eorx) ^
519 						    bgx);
520 
521 				if (VIDEO_FONT_WIDTH == 4)
522 					continue;
523 
524 				((u32 *) dest)[2] =
525 					SHORTSWAP32((video_font_draw_table16
526 						     [bits >> 2 & 3] & eorx) ^
527 						    bgx);
528 				((u32 *) dest)[3] =
529 					SHORTSWAP32((video_font_draw_table16
530 						     [bits & 3] & eorx) ^
531 						    bgx);
532 			}
533 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
534 			s++;
535 		}
536 		break;
537 
538 	case GDF_32BIT_X888RGB:
539 		while (count--) {
540 			c = *s;
541 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
542 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
543 			     rows--; dest += VIDEO_LINE_LEN) {
544 				u8 bits = *cdat++;
545 
546 				((u32 *) dest)[0] =
547 					SWAP32((video_font_draw_table32
548 						[bits >> 4][0] & eorx) ^ bgx);
549 				((u32 *) dest)[1] =
550 					SWAP32((video_font_draw_table32
551 						[bits >> 4][1] & eorx) ^ bgx);
552 				((u32 *) dest)[2] =
553 					SWAP32((video_font_draw_table32
554 						[bits >> 4][2] & eorx) ^ bgx);
555 				((u32 *) dest)[3] =
556 					SWAP32((video_font_draw_table32
557 						[bits >> 4][3] & eorx) ^ bgx);
558 
559 
560 				if (VIDEO_FONT_WIDTH == 4)
561 					continue;
562 
563 				((u32 *) dest)[4] =
564 					SWAP32((video_font_draw_table32
565 						[bits & 15][0] & eorx) ^ bgx);
566 				((u32 *) dest)[5] =
567 					SWAP32((video_font_draw_table32
568 						[bits & 15][1] & eorx) ^ bgx);
569 				((u32 *) dest)[6] =
570 					SWAP32((video_font_draw_table32
571 						[bits & 15][2] & eorx) ^ bgx);
572 				((u32 *) dest)[7] =
573 					SWAP32((video_font_draw_table32
574 						[bits & 15][3] & eorx) ^ bgx);
575 			}
576 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
577 			s++;
578 		}
579 		break;
580 
581 	case GDF_24BIT_888RGB:
582 		while (count--) {
583 			c = *s;
584 			cdat = video_fontdata + c * VIDEO_FONT_HEIGHT;
585 			for (rows = VIDEO_FONT_HEIGHT, dest = dest0;
586 			     rows--; dest += VIDEO_LINE_LEN) {
587 				u8 bits = *cdat++;
588 
589 				((u32 *) dest)[0] =
590 					(video_font_draw_table24[bits >> 4][0]
591 					 & eorx) ^ bgx;
592 				((u32 *) dest)[1] =
593 					(video_font_draw_table24[bits >> 4][1]
594 					 & eorx) ^ bgx;
595 				((u32 *) dest)[2] =
596 					(video_font_draw_table24[bits >> 4][2]
597 					 & eorx) ^ bgx;
598 
599 				if (VIDEO_FONT_WIDTH == 4)
600 					continue;
601 
602 				((u32 *) dest)[3] =
603 					(video_font_draw_table24[bits & 15][0]
604 					 & eorx) ^ bgx;
605 				((u32 *) dest)[4] =
606 					(video_font_draw_table24[bits & 15][1]
607 					 & eorx) ^ bgx;
608 				((u32 *) dest)[5] =
609 					(video_font_draw_table24[bits & 15][2]
610 					 & eorx) ^ bgx;
611 			}
612 			dest0 += VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE;
613 			s++;
614 		}
615 		break;
616 	}
617 }
618 
619 static inline void video_drawstring(int xx, int yy, unsigned char *s)
620 {
621 	video_drawchars(xx, yy, s, strlen((char *) s));
622 }
623 
624 static void video_putchar(int xx, int yy, unsigned char c)
625 {
626 	video_drawchars(xx, yy + video_logo_height, &c, 1);
627 }
628 
629 #if defined(CONFIG_CONSOLE_CURSOR) || defined(CONFIG_VIDEO_SW_CURSOR)
630 static void video_set_cursor(void)
631 {
632 	if (cursor_state)
633 		console_cursor(0);
634 	console_cursor(1);
635 }
636 
637 static void video_invertchar(int xx, int yy)
638 {
639 	int firstx = xx * VIDEO_PIXEL_SIZE;
640 	int lastx = (xx + VIDEO_FONT_WIDTH) * VIDEO_PIXEL_SIZE;
641 	int firsty = yy * VIDEO_LINE_LEN;
642 	int lasty = (yy + VIDEO_FONT_HEIGHT) * VIDEO_LINE_LEN;
643 	int x, y;
644 	for (y = firsty; y < lasty; y += VIDEO_LINE_LEN) {
645 		for (x = firstx; x < lastx; x++) {
646 			u8 *dest = (u8 *)(video_fb_address) + x + y;
647 			*dest = ~*dest;
648 		}
649 	}
650 }
651 
652 void console_cursor(int state)
653 {
654 #ifdef CONFIG_CONSOLE_TIME
655 	struct rtc_time tm;
656 	char info[16];
657 
658 	/* time update only if cursor is on (faster scroll) */
659 	if (state) {
660 		rtc_get(&tm);
661 
662 		sprintf(info, " %02d:%02d:%02d ", tm.tm_hour, tm.tm_min,
663 			tm.tm_sec);
664 		video_drawstring(VIDEO_VISIBLE_COLS - 10 * VIDEO_FONT_WIDTH,
665 				 VIDEO_INFO_Y, (uchar *) info);
666 
667 		sprintf(info, "%02d.%02d.%04d", tm.tm_mday, tm.tm_mon,
668 			tm.tm_year);
669 		video_drawstring(VIDEO_VISIBLE_COLS - 10 * VIDEO_FONT_WIDTH,
670 				 VIDEO_INFO_Y + 1 * VIDEO_FONT_HEIGHT,
671 				 (uchar *) info);
672 	}
673 #endif
674 
675 	if (cursor_state != state) {
676 		if (cursor_state) {
677 			/* turn off the cursor */
678 			video_invertchar(old_col * VIDEO_FONT_WIDTH,
679 					 old_row * VIDEO_FONT_HEIGHT +
680 					 video_logo_height);
681 		} else {
682 			/* turn off the cursor and record where it is */
683 			video_invertchar(console_col * VIDEO_FONT_WIDTH,
684 					 console_row * VIDEO_FONT_HEIGHT +
685 					 video_logo_height);
686 			old_col = console_col;
687 			old_row = console_row;
688 		}
689 		cursor_state = state;
690 	}
691 	if (cfb_do_flush_cache)
692 		flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
693 }
694 #endif
695 
696 #ifndef VIDEO_HW_RECTFILL
697 static void memsetl(int *p, int c, int v)
698 {
699 	while (c--)
700 		*(p++) = v;
701 }
702 #endif
703 
704 #ifndef VIDEO_HW_BITBLT
705 static void memcpyl(int *d, int *s, int c)
706 {
707 	while (c--)
708 		*(d++) = *(s++);
709 }
710 #endif
711 
712 static void console_clear_line(int line, int begin, int end)
713 {
714 #ifdef VIDEO_HW_RECTFILL
715 	video_hw_rectfill(VIDEO_PIXEL_SIZE,		/* bytes per pixel */
716 			  VIDEO_FONT_WIDTH * begin,	/* dest pos x */
717 			  video_logo_height +
718 			  VIDEO_FONT_HEIGHT * line,	/* dest pos y */
719 			  VIDEO_FONT_WIDTH * (end - begin + 1), /* fr. width */
720 			  VIDEO_FONT_HEIGHT,		/* frame height */
721 			  bgx				/* fill color */
722 		);
723 #else
724 	if (begin == 0 && (end + 1) == CONSOLE_COLS) {
725 		memsetl(CONSOLE_ROW_FIRST +
726 			CONSOLE_ROW_SIZE * line,	/* offset of row */
727 			CONSOLE_ROW_SIZE >> 2,		/* length of row */
728 			bgx				/* fill color */
729 		);
730 	} else {
731 		void *offset;
732 		int i, size;
733 
734 		offset = CONSOLE_ROW_FIRST +
735 			 CONSOLE_ROW_SIZE * line +	/* offset of row */
736 			 VIDEO_FONT_WIDTH *
737 			 VIDEO_PIXEL_SIZE * begin;	/* offset of col */
738 		size = VIDEO_FONT_WIDTH * VIDEO_PIXEL_SIZE * (end - begin + 1);
739 		size >>= 2; /* length to end for memsetl() */
740 		/* fill at col offset of i'th line using bgx as fill color */
741 		for (i = 0; i < VIDEO_FONT_HEIGHT; i++)
742 			memsetl(offset + i * VIDEO_LINE_LEN, size, bgx);
743 	}
744 #endif
745 }
746 
747 static void console_scrollup(void)
748 {
749 	const int rows = CONFIG_CONSOLE_SCROLL_LINES;
750 	int i;
751 
752 	/* copy up rows ignoring the first one */
753 
754 #ifdef VIDEO_HW_BITBLT
755 	video_hw_bitblt(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
756 			0,			/* source pos x */
757 			video_logo_height +
758 				VIDEO_FONT_HEIGHT * rows, /* source pos y */
759 			0,			/* dest pos x */
760 			video_logo_height,	/* dest pos y */
761 			VIDEO_VISIBLE_COLS,	/* frame width */
762 			VIDEO_VISIBLE_ROWS
763 			- video_logo_height
764 			- VIDEO_FONT_HEIGHT * rows	/* frame height */
765 		);
766 #else
767 	memcpyl(CONSOLE_ROW_FIRST, CONSOLE_ROW_FIRST + rows * CONSOLE_ROW_SIZE,
768 		(CONSOLE_SIZE - CONSOLE_ROW_SIZE * rows) >> 2);
769 #endif
770 	/* clear the last one */
771 	for (i = 1; i <= rows; i++)
772 		console_clear_line(CONSOLE_ROWS - i, 0, CONSOLE_COLS - 1);
773 
774 	/* Decrement row number */
775 	console_row -= rows;
776 }
777 
778 static void console_back(void)
779 {
780 	console_col--;
781 
782 	if (console_col < 0) {
783 		console_col = CONSOLE_COLS - 1;
784 		console_row--;
785 		if (console_row < 0)
786 			console_row = 0;
787 	}
788 }
789 
790 #ifdef CONFIG_CFB_CONSOLE_ANSI
791 
792 static void console_clear(void)
793 {
794 #ifdef VIDEO_HW_RECTFILL
795 	video_hw_rectfill(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
796 			  0,			/* dest pos x */
797 			  video_logo_height,	/* dest pos y */
798 			  VIDEO_VISIBLE_COLS,	/* frame width */
799 			  VIDEO_VISIBLE_ROWS,	/* frame height */
800 			  bgx			/* fill color */
801 	);
802 #else
803 	memsetl(CONSOLE_ROW_FIRST, CONSOLE_SIZE, bgx);
804 #endif
805 }
806 
807 static void console_cursor_fix(void)
808 {
809 	if (console_row < 0)
810 		console_row = 0;
811 	if (console_row >= CONSOLE_ROWS)
812 		console_row = CONSOLE_ROWS - 1;
813 	if (console_col < 0)
814 		console_col = 0;
815 	if (console_col >= CONSOLE_COLS)
816 		console_col = CONSOLE_COLS - 1;
817 }
818 
819 static void console_cursor_up(int n)
820 {
821 	console_row -= n;
822 	console_cursor_fix();
823 }
824 
825 static void console_cursor_down(int n)
826 {
827 	console_row += n;
828 	console_cursor_fix();
829 }
830 
831 static void console_cursor_left(int n)
832 {
833 	console_col -= n;
834 	console_cursor_fix();
835 }
836 
837 static void console_cursor_right(int n)
838 {
839 	console_col += n;
840 	console_cursor_fix();
841 }
842 
843 static void console_cursor_set_position(int row, int col)
844 {
845 	if (console_row != -1)
846 		console_row = row;
847 	if (console_col != -1)
848 		console_col = col;
849 	console_cursor_fix();
850 }
851 
852 static void console_previousline(int n)
853 {
854 	/* FIXME: also scroll terminal ? */
855 	console_row -= n;
856 	console_cursor_fix();
857 }
858 
859 static void console_swap_colors(void)
860 {
861 	eorx = fgx;
862 	fgx = bgx;
863 	bgx = eorx;
864 	eorx = fgx ^ bgx;
865 }
866 
867 static inline int console_cursor_is_visible(void)
868 {
869 	return !ansi_cursor_hidden;
870 }
871 #else
872 static inline int console_cursor_is_visible(void)
873 {
874 	return 1;
875 }
876 #endif
877 
878 static void console_newline(int n)
879 {
880 	console_row += n;
881 	console_col = 0;
882 
883 	/* Check if we need to scroll the terminal */
884 	if (console_row >= CONSOLE_ROWS) {
885 		/* Scroll everything up */
886 		console_scrollup();
887 	}
888 }
889 
890 static void console_cr(void)
891 {
892 	console_col = 0;
893 }
894 
895 static void parse_putc(const char c)
896 {
897 	static int nl = 1;
898 
899 	if (console_cursor_is_visible())
900 		CURSOR_OFF;
901 
902 	switch (c) {
903 	case 13:		/* back to first column */
904 		console_cr();
905 		break;
906 
907 	case '\n':		/* next line */
908 		if (console_col || (!console_col && nl))
909 			console_newline(1);
910 		nl = 1;
911 		break;
912 
913 	case 9:		/* tab 8 */
914 		console_col |= 0x0008;
915 		console_col &= ~0x0007;
916 
917 		if (console_col >= CONSOLE_COLS)
918 			console_newline(1);
919 		break;
920 
921 	case 8:		/* backspace */
922 		console_back();
923 		break;
924 
925 	case 7:		/* bell */
926 		break;	/* ignored */
927 
928 	default:		/* draw the char */
929 		video_putchar(console_col * VIDEO_FONT_WIDTH,
930 			      console_row * VIDEO_FONT_HEIGHT, c);
931 		console_col++;
932 
933 		/* check for newline */
934 		if (console_col >= CONSOLE_COLS) {
935 			console_newline(1);
936 			nl = 0;
937 		}
938 	}
939 
940 	if (console_cursor_is_visible())
941 		CURSOR_SET;
942 }
943 
944 static void video_putc(struct stdio_dev *dev, const char c)
945 {
946 #ifdef CONFIG_CFB_CONSOLE_ANSI
947 	int i;
948 
949 	if (c == 27) {
950 		for (i = 0; i < ansi_buf_size; ++i)
951 			parse_putc(ansi_buf[i]);
952 		ansi_buf[0] = 27;
953 		ansi_buf_size = 1;
954 		return;
955 	}
956 
957 	if (ansi_buf_size > 0) {
958 		/*
959 		 * 0 - ESC
960 		 * 1 - [
961 		 * 2 - num1
962 		 * 3 - ..
963 		 * 4 - ;
964 		 * 5 - num2
965 		 * 6 - ..
966 		 * - cchar
967 		 */
968 		int next = 0;
969 
970 		int flush = 0;
971 		int fail = 0;
972 
973 		int num1 = 0;
974 		int num2 = 0;
975 		int cchar = 0;
976 
977 		ansi_buf[ansi_buf_size++] = c;
978 
979 		if (ansi_buf_size >= sizeof(ansi_buf))
980 			fail = 1;
981 
982 		for (i = 0; i < ansi_buf_size; ++i) {
983 			if (fail)
984 				break;
985 
986 			switch (next) {
987 			case 0:
988 				if (ansi_buf[i] == 27)
989 					next = 1;
990 				else
991 					fail = 1;
992 				break;
993 
994 			case 1:
995 				if (ansi_buf[i] == '[')
996 					next = 2;
997 				else
998 					fail = 1;
999 				break;
1000 
1001 			case 2:
1002 				if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
1003 					num1 = ansi_buf[i]-'0';
1004 					next = 3;
1005 				} else if (ansi_buf[i] != '?') {
1006 					--i;
1007 					num1 = 1;
1008 					next = 4;
1009 				}
1010 				break;
1011 
1012 			case 3:
1013 				if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
1014 					num1 *= 10;
1015 					num1 += ansi_buf[i]-'0';
1016 				} else {
1017 					--i;
1018 					next = 4;
1019 				}
1020 				break;
1021 
1022 			case 4:
1023 				if (ansi_buf[i] != ';') {
1024 					--i;
1025 					next = 7;
1026 				} else
1027 					next = 5;
1028 				break;
1029 
1030 			case 5:
1031 				if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
1032 					num2 = ansi_buf[i]-'0';
1033 					next = 6;
1034 				} else
1035 					fail = 1;
1036 				break;
1037 
1038 			case 6:
1039 				if (ansi_buf[i] >= '0' && ansi_buf[i] <= '9') {
1040 					num2 *= 10;
1041 					num2 += ansi_buf[i]-'0';
1042 				} else {
1043 					--i;
1044 					next = 7;
1045 				}
1046 				break;
1047 
1048 			case 7:
1049 				if ((ansi_buf[i] >= 'A' && ansi_buf[i] <= 'H')
1050 					|| ansi_buf[i] == 'J'
1051 					|| ansi_buf[i] == 'K'
1052 					|| ansi_buf[i] == 'h'
1053 					|| ansi_buf[i] == 'l'
1054 					|| ansi_buf[i] == 'm') {
1055 					cchar = ansi_buf[i];
1056 					flush = 1;
1057 				} else
1058 					fail = 1;
1059 				break;
1060 			}
1061 		}
1062 
1063 		if (fail) {
1064 			for (i = 0; i < ansi_buf_size; ++i)
1065 				parse_putc(ansi_buf[i]);
1066 			ansi_buf_size = 0;
1067 			return;
1068 		}
1069 
1070 		if (flush) {
1071 			if (!ansi_cursor_hidden)
1072 				CURSOR_OFF;
1073 			ansi_buf_size = 0;
1074 			switch (cchar) {
1075 			case 'A':
1076 				/* move cursor num1 rows up */
1077 				console_cursor_up(num1);
1078 				break;
1079 			case 'B':
1080 				/* move cursor num1 rows down */
1081 				console_cursor_down(num1);
1082 				break;
1083 			case 'C':
1084 				/* move cursor num1 columns forward */
1085 				console_cursor_right(num1);
1086 				break;
1087 			case 'D':
1088 				/* move cursor num1 columns back */
1089 				console_cursor_left(num1);
1090 				break;
1091 			case 'E':
1092 				/* move cursor num1 rows up at begin of row */
1093 				console_previousline(num1);
1094 				break;
1095 			case 'F':
1096 				/* move cursor num1 rows down at begin of row */
1097 				console_newline(num1);
1098 				break;
1099 			case 'G':
1100 				/* move cursor to column num1 */
1101 				console_cursor_set_position(-1, num1-1);
1102 				break;
1103 			case 'H':
1104 				/* move cursor to row num1, column num2 */
1105 				console_cursor_set_position(num1-1, num2-1);
1106 				break;
1107 			case 'J':
1108 				/* clear console and move cursor to 0, 0 */
1109 				console_clear();
1110 				console_cursor_set_position(0, 0);
1111 				break;
1112 			case 'K':
1113 				/* clear line */
1114 				if (num1 == 0)
1115 					console_clear_line(console_row,
1116 							console_col,
1117 							CONSOLE_COLS-1);
1118 				else if (num1 == 1)
1119 					console_clear_line(console_row,
1120 							0, console_col);
1121 				else
1122 					console_clear_line(console_row,
1123 							0, CONSOLE_COLS-1);
1124 				break;
1125 			case 'h':
1126 				ansi_cursor_hidden = 0;
1127 				break;
1128 			case 'l':
1129 				ansi_cursor_hidden = 1;
1130 				break;
1131 			case 'm':
1132 				if (num1 == 0) { /* reset swapped colors */
1133 					if (ansi_colors_need_revert) {
1134 						console_swap_colors();
1135 						ansi_colors_need_revert = 0;
1136 					}
1137 				} else if (num1 == 7) { /* once swap colors */
1138 					if (!ansi_colors_need_revert) {
1139 						console_swap_colors();
1140 						ansi_colors_need_revert = 1;
1141 					}
1142 				}
1143 				break;
1144 			}
1145 			if (!ansi_cursor_hidden)
1146 				CURSOR_SET;
1147 		}
1148 	} else {
1149 		parse_putc(c);
1150 	}
1151 #else
1152 	parse_putc(c);
1153 #endif
1154 	if (cfb_do_flush_cache)
1155 		flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
1156 }
1157 
1158 static void video_puts(struct stdio_dev *dev, const char *s)
1159 {
1160 	int flush = cfb_do_flush_cache;
1161 	int count = strlen(s);
1162 
1163 	/* temporarily disable cache flush */
1164 	cfb_do_flush_cache = 0;
1165 
1166 	while (count--)
1167 		video_putc(dev, *s++);
1168 
1169 	if (flush) {
1170 		cfb_do_flush_cache = flush;
1171 		flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
1172 	}
1173 }
1174 
1175 /*
1176  * Do not enforce drivers (or board code) to provide empty
1177  * video_set_lut() if they do not support 8 bpp format.
1178  * Implement weak default function instead.
1179  */
1180 __weak void video_set_lut(unsigned int index, unsigned char r,
1181 		     unsigned char g, unsigned char b)
1182 {
1183 }
1184 
1185 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
1186 
1187 #define FILL_8BIT_332RGB(r,g,b)	{			\
1188 	*fb = ((r>>5)<<5) | ((g>>5)<<2) | (b>>6);	\
1189 	fb ++;						\
1190 }
1191 
1192 #define FILL_15BIT_555RGB(r,g,b) {			\
1193 	*(unsigned short *)fb =				\
1194 		SWAP16((unsigned short)(((r>>3)<<10) |	\
1195 					((g>>3)<<5)  |	\
1196 					 (b>>3)));	\
1197 	fb += 2;					\
1198 }
1199 
1200 #define FILL_16BIT_565RGB(r,g,b) {			\
1201 	*(unsigned short *)fb =				\
1202 		SWAP16((unsigned short)((((r)>>3)<<11)| \
1203 					(((g)>>2)<<5) | \
1204 					 ((b)>>3)));	\
1205 	fb += 2;					\
1206 }
1207 
1208 #define FILL_32BIT_X888RGB(r,g,b) {			\
1209 	*(unsigned long *)fb =				\
1210 		SWAP32((unsigned long)(((r<<16) |	\
1211 					(g<<8)  |	\
1212 					 b)));		\
1213 	fb += 4;					\
1214 }
1215 
1216 #ifdef VIDEO_FB_LITTLE_ENDIAN
1217 #define FILL_24BIT_888RGB(r,g,b) {			\
1218 	fb[0] = b;					\
1219 	fb[1] = g;					\
1220 	fb[2] = r;					\
1221 	fb += 3;					\
1222 }
1223 #else
1224 #define FILL_24BIT_888RGB(r,g,b) {			\
1225 	fb[0] = r;					\
1226 	fb[1] = g;					\
1227 	fb[2] = b;					\
1228 	fb += 3;					\
1229 }
1230 #endif
1231 
1232 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1233 static inline void fill_555rgb_pswap(uchar *fb, int x, u8 r, u8 g, u8 b)
1234 {
1235 	ushort *dst = (ushort *) fb;
1236 	ushort color = (ushort) (((r >> 3) << 10) |
1237 				 ((g >> 3) <<  5) |
1238 				  (b >> 3));
1239 	if (x & 1)
1240 		*(--dst) = color;
1241 	else
1242 		*(++dst) = color;
1243 }
1244 #endif
1245 
1246 /*
1247  * RLE8 bitmap support
1248  */
1249 
1250 #ifdef CONFIG_VIDEO_BMP_RLE8
1251 /* Pre-calculated color table entry */
1252 struct palette {
1253 	union {
1254 		unsigned short w;	/* word */
1255 		unsigned int dw;	/* double word */
1256 	} ce;				/* color entry */
1257 };
1258 
1259 /*
1260  * Helper to draw encoded/unencoded run.
1261  */
1262 static void draw_bitmap(uchar **fb, uchar *bm, struct palette *p,
1263 			int cnt, int enc)
1264 {
1265 	ulong addr = (ulong) *fb;
1266 	int *off;
1267 	int enc_off = 1;
1268 	int i;
1269 
1270 	/*
1271 	 * Setup offset of the color index in the bitmap.
1272 	 * Color index of encoded run is at offset 1.
1273 	 */
1274 	off = enc ? &enc_off : &i;
1275 
1276 	switch (VIDEO_DATA_FORMAT) {
1277 	case GDF__8BIT_INDEX:
1278 		for (i = 0; i < cnt; i++)
1279 			*(unsigned char *) addr++ = bm[*off];
1280 		break;
1281 	case GDF_15BIT_555RGB:
1282 	case GDF_16BIT_565RGB:
1283 		/* differences handled while pre-calculating palette */
1284 		for (i = 0; i < cnt; i++) {
1285 			*(unsigned short *) addr = p[bm[*off]].ce.w;
1286 			addr += 2;
1287 		}
1288 		break;
1289 	case GDF_32BIT_X888RGB:
1290 		for (i = 0; i < cnt; i++) {
1291 			*(unsigned long *) addr = p[bm[*off]].ce.dw;
1292 			addr += 4;
1293 		}
1294 		break;
1295 	}
1296 	*fb = (uchar *) addr;	/* return modified address */
1297 }
1298 
1299 static int display_rle8_bitmap(struct bmp_image *img, int xoff, int yoff,
1300 			       int width, int height)
1301 {
1302 	unsigned char *bm;
1303 	unsigned char *fbp;
1304 	unsigned int cnt, runlen;
1305 	int decode = 1;
1306 	int x, y, bpp, i, ncolors;
1307 	struct palette p[256];
1308 	struct bmp_color_table_entry cte;
1309 	int green_shift, red_off;
1310 	int limit = (VIDEO_LINE_LEN / VIDEO_PIXEL_SIZE) * VIDEO_ROWS;
1311 	int pixels = 0;
1312 
1313 	x = 0;
1314 	y = __le32_to_cpu(img->header.height) - 1;
1315 	ncolors = __le32_to_cpu(img->header.colors_used);
1316 	bpp = VIDEO_PIXEL_SIZE;
1317 	fbp = (unsigned char *) ((unsigned int) video_fb_address +
1318 				 (y + yoff) * VIDEO_LINE_LEN +
1319 				 xoff * bpp);
1320 
1321 	bm = (uchar *) img + __le32_to_cpu(img->header.data_offset);
1322 
1323 	/* pre-calculate and setup palette */
1324 	switch (VIDEO_DATA_FORMAT) {
1325 	case GDF__8BIT_INDEX:
1326 		for (i = 0; i < ncolors; i++) {
1327 			cte = img->color_table[i];
1328 			video_set_lut(i, cte.red, cte.green, cte.blue);
1329 		}
1330 		break;
1331 	case GDF_15BIT_555RGB:
1332 	case GDF_16BIT_565RGB:
1333 		if (VIDEO_DATA_FORMAT == GDF_15BIT_555RGB) {
1334 			green_shift = 3;
1335 			red_off = 10;
1336 		} else {
1337 			green_shift = 2;
1338 			red_off = 11;
1339 		}
1340 		for (i = 0; i < ncolors; i++) {
1341 			cte = img->color_table[i];
1342 			p[i].ce.w = SWAP16((unsigned short)
1343 					   (((cte.red >> 3) << red_off) |
1344 					    ((cte.green >> green_shift) << 5) |
1345 					    cte.blue >> 3));
1346 		}
1347 		break;
1348 	case GDF_32BIT_X888RGB:
1349 		for (i = 0; i < ncolors; i++) {
1350 			cte = img->color_table[i];
1351 			p[i].ce.dw = SWAP32((cte.red << 16) |
1352 					    (cte.green << 8) |
1353 					     cte.blue);
1354 		}
1355 		break;
1356 	default:
1357 		printf("RLE Bitmap unsupported in video mode 0x%x\n",
1358 		       VIDEO_DATA_FORMAT);
1359 		return -1;
1360 	}
1361 
1362 	while (decode) {
1363 		switch (bm[0]) {
1364 		case 0:
1365 			switch (bm[1]) {
1366 			case 0:
1367 				/* scan line end marker */
1368 				bm += 2;
1369 				x = 0;
1370 				y--;
1371 				fbp = (unsigned char *)
1372 					((unsigned int) video_fb_address +
1373 					 (y + yoff) * VIDEO_LINE_LEN +
1374 					 xoff * bpp);
1375 				continue;
1376 			case 1:
1377 				/* end of bitmap data marker */
1378 				decode = 0;
1379 				break;
1380 			case 2:
1381 				/* run offset marker */
1382 				x += bm[2];
1383 				y -= bm[3];
1384 				fbp = (unsigned char *)
1385 					((unsigned int) video_fb_address +
1386 					 (y + yoff) * VIDEO_LINE_LEN +
1387 					 xoff * bpp);
1388 				bm += 4;
1389 				break;
1390 			default:
1391 				/* unencoded run */
1392 				cnt = bm[1];
1393 				runlen = cnt;
1394 				pixels += cnt;
1395 				if (pixels > limit)
1396 					goto error;
1397 
1398 				bm += 2;
1399 				if (y < height) {
1400 					if (x >= width) {
1401 						x += runlen;
1402 						goto next_run;
1403 					}
1404 					if (x + runlen > width)
1405 						cnt = width - x;
1406 					draw_bitmap(&fbp, bm, p, cnt, 0);
1407 					x += runlen;
1408 				}
1409 next_run:
1410 				bm += runlen;
1411 				if (runlen & 1)
1412 					bm++;	/* 0 padding if length is odd */
1413 			}
1414 			break;
1415 		default:
1416 			/* encoded run */
1417 			cnt = bm[0];
1418 			runlen = cnt;
1419 			pixels += cnt;
1420 			if (pixels > limit)
1421 				goto error;
1422 
1423 			if (y < height) {     /* only draw into visible area */
1424 				if (x >= width) {
1425 					x += runlen;
1426 					bm += 2;
1427 					continue;
1428 				}
1429 				if (x + runlen > width)
1430 					cnt = width - x;
1431 				draw_bitmap(&fbp, bm, p, cnt, 1);
1432 				x += runlen;
1433 			}
1434 			bm += 2;
1435 			break;
1436 		}
1437 	}
1438 	return 0;
1439 error:
1440 	printf("Error: Too much encoded pixel data, validate your bitmap\n");
1441 	return -1;
1442 }
1443 #endif
1444 
1445 /*
1446  * Display the BMP file located at address bmp_image.
1447  */
1448 int video_display_bitmap(ulong bmp_image, int x, int y)
1449 {
1450 	ushort xcount, ycount;
1451 	uchar *fb;
1452 	struct bmp_image *bmp = (struct bmp_image *)bmp_image;
1453 	uchar *bmap;
1454 	ushort padded_line;
1455 	unsigned long width, height, bpp;
1456 	unsigned colors;
1457 	unsigned long compression;
1458 	struct bmp_color_table_entry cte;
1459 
1460 #ifdef CONFIG_VIDEO_BMP_GZIP
1461 	unsigned char *dst = NULL;
1462 	ulong len;
1463 #endif
1464 
1465 	WATCHDOG_RESET();
1466 
1467 	if (!((bmp->header.signature[0] == 'B') &&
1468 	      (bmp->header.signature[1] == 'M'))) {
1469 
1470 #ifdef CONFIG_VIDEO_BMP_GZIP
1471 		/*
1472 		 * Could be a gzipped bmp image, try to decrompress...
1473 		 */
1474 		len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
1475 		dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
1476 		if (dst == NULL) {
1477 			printf("Error: malloc in gunzip failed!\n");
1478 			return 1;
1479 		}
1480 		/*
1481 		 * NB: we need to force offset of +2
1482 		 * See doc/README.displaying-bmps
1483 		 */
1484 		if (gunzip(dst+2, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE-2,
1485 			   (uchar *) bmp_image,
1486 			   &len) != 0) {
1487 			printf("Error: no valid bmp or bmp.gz image at %lx\n",
1488 			       bmp_image);
1489 			free(dst);
1490 			return 1;
1491 		}
1492 		if (len == CONFIG_SYS_VIDEO_LOGO_MAX_SIZE) {
1493 			printf("Image could be truncated "
1494 				"(increase CONFIG_SYS_VIDEO_LOGO_MAX_SIZE)!\n");
1495 		}
1496 
1497 		/*
1498 		 * Set addr to decompressed image
1499 		 */
1500 		bmp = (struct bmp_image *)(dst+2);
1501 
1502 		if (!((bmp->header.signature[0] == 'B') &&
1503 		      (bmp->header.signature[1] == 'M'))) {
1504 			printf("Error: no valid bmp.gz image at %lx\n",
1505 			       bmp_image);
1506 			free(dst);
1507 			return 1;
1508 		}
1509 #else
1510 		printf("Error: no valid bmp image at %lx\n", bmp_image);
1511 		return 1;
1512 #endif /* CONFIG_VIDEO_BMP_GZIP */
1513 	}
1514 
1515 	width = le32_to_cpu(bmp->header.width);
1516 	height = le32_to_cpu(bmp->header.height);
1517 	bpp = le16_to_cpu(bmp->header.bit_count);
1518 	colors = le32_to_cpu(bmp->header.colors_used);
1519 	compression = le32_to_cpu(bmp->header.compression);
1520 
1521 	debug("Display-bmp: %ld x %ld  with %d colors\n",
1522 	      width, height, colors);
1523 
1524 	if (compression != BMP_BI_RGB
1525 #ifdef CONFIG_VIDEO_BMP_RLE8
1526 	    && compression != BMP_BI_RLE8
1527 #endif
1528 		) {
1529 		printf("Error: compression type %ld not supported\n",
1530 		       compression);
1531 #ifdef CONFIG_VIDEO_BMP_GZIP
1532 		if (dst)
1533 			free(dst);
1534 #endif
1535 		return 1;
1536 	}
1537 
1538 	padded_line = (((width * bpp + 7) / 8) + 3) & ~0x3;
1539 
1540 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1541 	if (x == BMP_ALIGN_CENTER)
1542 		x = max(0, (int)(VIDEO_VISIBLE_COLS - width) / 2);
1543 	else if (x < 0)
1544 		x = max(0, (int)(VIDEO_VISIBLE_COLS - width + x + 1));
1545 
1546 	if (y == BMP_ALIGN_CENTER)
1547 		y = max(0, (int)(VIDEO_VISIBLE_ROWS - height) / 2);
1548 	else if (y < 0)
1549 		y = max(0, (int)(VIDEO_VISIBLE_ROWS - height + y + 1));
1550 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1551 
1552 	/*
1553 	 * Just ignore elements which are completely beyond screen
1554 	 * dimensions.
1555 	 */
1556 	if ((x >= VIDEO_VISIBLE_COLS) || (y >= VIDEO_VISIBLE_ROWS))
1557 		return 0;
1558 
1559 	if ((x + width) > VIDEO_VISIBLE_COLS)
1560 		width = VIDEO_VISIBLE_COLS - x;
1561 	if ((y + height) > VIDEO_VISIBLE_ROWS)
1562 		height = VIDEO_VISIBLE_ROWS - y;
1563 
1564 	bmap = (uchar *) bmp + le32_to_cpu(bmp->header.data_offset);
1565 	fb = (uchar *) (video_fb_address +
1566 			((y + height - 1) * VIDEO_LINE_LEN) +
1567 			x * VIDEO_PIXEL_SIZE);
1568 
1569 #ifdef CONFIG_VIDEO_BMP_RLE8
1570 	if (compression == BMP_BI_RLE8) {
1571 		return display_rle8_bitmap(bmp, x, y, width, height);
1572 	}
1573 #endif
1574 
1575 	/* We handle only 4, 8, or 24 bpp bitmaps */
1576 	switch (le16_to_cpu(bmp->header.bit_count)) {
1577 	case 4:
1578 		padded_line -= width / 2;
1579 		ycount = height;
1580 
1581 		switch (VIDEO_DATA_FORMAT) {
1582 		case GDF_32BIT_X888RGB:
1583 			while (ycount--) {
1584 				WATCHDOG_RESET();
1585 				/*
1586 				 * Don't assume that 'width' is an
1587 				 * even number
1588 				 */
1589 				for (xcount = 0; xcount < width; xcount++) {
1590 					uchar idx;
1591 
1592 					if (xcount & 1) {
1593 						idx = *bmap & 0xF;
1594 						bmap++;
1595 					} else
1596 						idx = *bmap >> 4;
1597 					cte = bmp->color_table[idx];
1598 					FILL_32BIT_X888RGB(cte.red, cte.green,
1599 							   cte.blue);
1600 				}
1601 				bmap += padded_line;
1602 				fb -= VIDEO_LINE_LEN + width *
1603 					VIDEO_PIXEL_SIZE;
1604 			}
1605 			break;
1606 		default:
1607 			puts("4bpp bitmap unsupported with current "
1608 			     "video mode\n");
1609 			break;
1610 		}
1611 		break;
1612 
1613 	case 8:
1614 		padded_line -= width;
1615 		if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
1616 			/* Copy colormap */
1617 			for (xcount = 0; xcount < colors; ++xcount) {
1618 				cte = bmp->color_table[xcount];
1619 				video_set_lut(xcount, cte.red, cte.green,
1620 					      cte.blue);
1621 			}
1622 		}
1623 		ycount = height;
1624 		switch (VIDEO_DATA_FORMAT) {
1625 		case GDF__8BIT_INDEX:
1626 			while (ycount--) {
1627 				WATCHDOG_RESET();
1628 				xcount = width;
1629 				while (xcount--) {
1630 					*fb++ = *bmap++;
1631 				}
1632 				bmap += padded_line;
1633 				fb -= VIDEO_LINE_LEN + width *
1634 					VIDEO_PIXEL_SIZE;
1635 			}
1636 			break;
1637 		case GDF__8BIT_332RGB:
1638 			while (ycount--) {
1639 				WATCHDOG_RESET();
1640 				xcount = width;
1641 				while (xcount--) {
1642 					cte = bmp->color_table[*bmap++];
1643 					FILL_8BIT_332RGB(cte.red, cte.green,
1644 							 cte.blue);
1645 				}
1646 				bmap += padded_line;
1647 				fb -= VIDEO_LINE_LEN + width *
1648 					VIDEO_PIXEL_SIZE;
1649 			}
1650 			break;
1651 		case GDF_15BIT_555RGB:
1652 			while (ycount--) {
1653 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1654 				int xpos = x;
1655 #endif
1656 				WATCHDOG_RESET();
1657 				xcount = width;
1658 				while (xcount--) {
1659 					cte = bmp->color_table[*bmap++];
1660 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1661 					fill_555rgb_pswap(fb, xpos++, cte.red,
1662 							  cte.green,
1663 							  cte.blue);
1664 					fb += 2;
1665 #else
1666 					FILL_15BIT_555RGB(cte.red, cte.green,
1667 							  cte.blue);
1668 #endif
1669 				}
1670 				bmap += padded_line;
1671 				fb -= VIDEO_LINE_LEN + width *
1672 					VIDEO_PIXEL_SIZE;
1673 			}
1674 			break;
1675 		case GDF_16BIT_565RGB:
1676 			while (ycount--) {
1677 				WATCHDOG_RESET();
1678 				xcount = width;
1679 				while (xcount--) {
1680 					cte = bmp->color_table[*bmap++];
1681 					FILL_16BIT_565RGB(cte.red, cte.green,
1682 							  cte.blue);
1683 				}
1684 				bmap += padded_line;
1685 				fb -= VIDEO_LINE_LEN + width *
1686 					VIDEO_PIXEL_SIZE;
1687 			}
1688 			break;
1689 		case GDF_32BIT_X888RGB:
1690 			while (ycount--) {
1691 				WATCHDOG_RESET();
1692 				xcount = width;
1693 				while (xcount--) {
1694 					cte = bmp->color_table[*bmap++];
1695 					FILL_32BIT_X888RGB(cte.red, cte.green,
1696 							   cte.blue);
1697 				}
1698 				bmap += padded_line;
1699 				fb -= VIDEO_LINE_LEN + width *
1700 					VIDEO_PIXEL_SIZE;
1701 			}
1702 			break;
1703 		case GDF_24BIT_888RGB:
1704 			while (ycount--) {
1705 				WATCHDOG_RESET();
1706 				xcount = width;
1707 				while (xcount--) {
1708 					cte = bmp->color_table[*bmap++];
1709 					FILL_24BIT_888RGB(cte.red, cte.green,
1710 							  cte.blue);
1711 				}
1712 				bmap += padded_line;
1713 				fb -= VIDEO_LINE_LEN + width *
1714 					VIDEO_PIXEL_SIZE;
1715 			}
1716 			break;
1717 		}
1718 		break;
1719 	case 24:
1720 		padded_line -= 3 * width;
1721 		ycount = height;
1722 		switch (VIDEO_DATA_FORMAT) {
1723 		case GDF__8BIT_332RGB:
1724 			while (ycount--) {
1725 				WATCHDOG_RESET();
1726 				xcount = width;
1727 				while (xcount--) {
1728 					FILL_8BIT_332RGB(bmap[2], bmap[1],
1729 							 bmap[0]);
1730 					bmap += 3;
1731 				}
1732 				bmap += padded_line;
1733 				fb -= VIDEO_LINE_LEN + width *
1734 					VIDEO_PIXEL_SIZE;
1735 			}
1736 			break;
1737 		case GDF_15BIT_555RGB:
1738 			while (ycount--) {
1739 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1740 				int xpos = x;
1741 #endif
1742 				WATCHDOG_RESET();
1743 				xcount = width;
1744 				while (xcount--) {
1745 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1746 					fill_555rgb_pswap(fb, xpos++, bmap[2],
1747 							  bmap[1], bmap[0]);
1748 					fb += 2;
1749 #else
1750 					FILL_15BIT_555RGB(bmap[2], bmap[1],
1751 							  bmap[0]);
1752 #endif
1753 					bmap += 3;
1754 				}
1755 				bmap += padded_line;
1756 				fb -= VIDEO_LINE_LEN + width *
1757 					VIDEO_PIXEL_SIZE;
1758 			}
1759 			break;
1760 		case GDF_16BIT_565RGB:
1761 			while (ycount--) {
1762 				WATCHDOG_RESET();
1763 				xcount = width;
1764 				while (xcount--) {
1765 					FILL_16BIT_565RGB(bmap[2], bmap[1],
1766 							  bmap[0]);
1767 					bmap += 3;
1768 				}
1769 				bmap += padded_line;
1770 				fb -= VIDEO_LINE_LEN + width *
1771 					VIDEO_PIXEL_SIZE;
1772 			}
1773 			break;
1774 		case GDF_32BIT_X888RGB:
1775 			while (ycount--) {
1776 				WATCHDOG_RESET();
1777 				xcount = width;
1778 				while (xcount--) {
1779 					FILL_32BIT_X888RGB(bmap[2], bmap[1],
1780 							   bmap[0]);
1781 					bmap += 3;
1782 				}
1783 				bmap += padded_line;
1784 				fb -= VIDEO_LINE_LEN + width *
1785 					VIDEO_PIXEL_SIZE;
1786 			}
1787 			break;
1788 		case GDF_24BIT_888RGB:
1789 			while (ycount--) {
1790 				WATCHDOG_RESET();
1791 				xcount = width;
1792 				while (xcount--) {
1793 					FILL_24BIT_888RGB(bmap[2], bmap[1],
1794 							  bmap[0]);
1795 					bmap += 3;
1796 				}
1797 				bmap += padded_line;
1798 				fb -= VIDEO_LINE_LEN + width *
1799 					VIDEO_PIXEL_SIZE;
1800 			}
1801 			break;
1802 		default:
1803 			printf("Error: 24 bits/pixel bitmap incompatible "
1804 				"with current video mode\n");
1805 			break;
1806 		}
1807 		break;
1808 	default:
1809 		printf("Error: %d bit/pixel bitmaps not supported by U-Boot\n",
1810 			le16_to_cpu(bmp->header.bit_count));
1811 		break;
1812 	}
1813 
1814 #ifdef CONFIG_VIDEO_BMP_GZIP
1815 	if (dst) {
1816 		free(dst);
1817 	}
1818 #endif
1819 
1820 	if (cfb_do_flush_cache)
1821 		flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
1822 	return (0);
1823 }
1824 #endif
1825 
1826 
1827 #ifdef CONFIG_VIDEO_LOGO
1828 static int video_logo_xpos;
1829 static int video_logo_ypos;
1830 
1831 static void plot_logo_or_black(void *screen, int x, int y, int black);
1832 
1833 static void logo_plot(void *screen, int x, int y)
1834 {
1835 	plot_logo_or_black(screen, x, y, 0);
1836 }
1837 
1838 static void logo_black(void)
1839 {
1840 	plot_logo_or_black(video_fb_address, video_logo_xpos, video_logo_ypos,
1841 			1);
1842 }
1843 
1844 static int do_clrlogo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1845 {
1846 	if (argc != 1)
1847 		return cmd_usage(cmdtp);
1848 
1849 	logo_black();
1850 	return 0;
1851 }
1852 
1853 U_BOOT_CMD(
1854 	   clrlogo, 1, 0, do_clrlogo,
1855 	   "fill the boot logo area with black",
1856 	   " "
1857 	   );
1858 
1859 static void plot_logo_or_black(void *screen, int x, int y, int black)
1860 {
1861 
1862 	int xcount, i;
1863 	int skip = VIDEO_LINE_LEN - VIDEO_LOGO_WIDTH * VIDEO_PIXEL_SIZE;
1864 	int ycount = video_logo_height;
1865 	unsigned char r, g, b, *logo_red, *logo_blue, *logo_green;
1866 	unsigned char *source;
1867 	unsigned char *dest;
1868 
1869 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
1870 	if (x == BMP_ALIGN_CENTER)
1871 		x = max(0, (int)(VIDEO_VISIBLE_COLS - VIDEO_LOGO_WIDTH) / 2);
1872 	else if (x < 0)
1873 		x = max(0, (int)(VIDEO_VISIBLE_COLS - VIDEO_LOGO_WIDTH + x + 1));
1874 
1875 	if (y == BMP_ALIGN_CENTER)
1876 		y = max(0, (int)(VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT) / 2);
1877 	else if (y < 0)
1878 		y = max(0, (int)(VIDEO_VISIBLE_ROWS - VIDEO_LOGO_HEIGHT + y + 1));
1879 #endif /* CONFIG_SPLASH_SCREEN_ALIGN */
1880 
1881 	dest = (unsigned char *)screen + y * VIDEO_LINE_LEN + x * VIDEO_PIXEL_SIZE;
1882 
1883 #ifdef CONFIG_VIDEO_BMP_LOGO
1884 	source = bmp_logo_bitmap;
1885 
1886 	/* Allocate temporary space for computing colormap */
1887 	logo_red = malloc(BMP_LOGO_COLORS);
1888 	logo_green = malloc(BMP_LOGO_COLORS);
1889 	logo_blue = malloc(BMP_LOGO_COLORS);
1890 	/* Compute color map */
1891 	for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
1892 		logo_red[i] = (bmp_logo_palette[i] & 0x0f00) >> 4;
1893 		logo_green[i] = (bmp_logo_palette[i] & 0x00f0);
1894 		logo_blue[i] = (bmp_logo_palette[i] & 0x000f) << 4;
1895 	}
1896 #else
1897 	source = linux_logo;
1898 	logo_red = linux_logo_red;
1899 	logo_green = linux_logo_green;
1900 	logo_blue = linux_logo_blue;
1901 #endif
1902 
1903 	if (VIDEO_DATA_FORMAT == GDF__8BIT_INDEX) {
1904 		for (i = 0; i < VIDEO_LOGO_COLORS; i++) {
1905 			video_set_lut(i + VIDEO_LOGO_LUT_OFFSET,
1906 				      logo_red[i], logo_green[i],
1907 				      logo_blue[i]);
1908 		}
1909 	}
1910 
1911 	while (ycount--) {
1912 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1913 		int xpos = x;
1914 #endif
1915 		xcount = VIDEO_LOGO_WIDTH;
1916 		while (xcount--) {
1917 			if (black) {
1918 				r = 0x00;
1919 				g = 0x00;
1920 				b = 0x00;
1921 			} else {
1922 				r = logo_red[*source - VIDEO_LOGO_LUT_OFFSET];
1923 				g = logo_green[*source - VIDEO_LOGO_LUT_OFFSET];
1924 				b = logo_blue[*source - VIDEO_LOGO_LUT_OFFSET];
1925 			}
1926 
1927 			switch (VIDEO_DATA_FORMAT) {
1928 			case GDF__8BIT_INDEX:
1929 				*dest = *source;
1930 				break;
1931 			case GDF__8BIT_332RGB:
1932 				*dest = ((r >> 5) << 5) |
1933 					((g >> 5) << 2) |
1934 					 (b >> 6);
1935 				break;
1936 			case GDF_15BIT_555RGB:
1937 #if defined(VIDEO_FB_16BPP_PIXEL_SWAP)
1938 				fill_555rgb_pswap(dest, xpos++, r, g, b);
1939 #else
1940 				*(unsigned short *) dest =
1941 					SWAP16((unsigned short) (
1942 							((r >> 3) << 10) |
1943 							((g >> 3) <<  5) |
1944 							 (b >> 3)));
1945 #endif
1946 				break;
1947 			case GDF_16BIT_565RGB:
1948 				*(unsigned short *) dest =
1949 					SWAP16((unsigned short) (
1950 							((r >> 3) << 11) |
1951 							((g >> 2) <<  5) |
1952 							 (b >> 3)));
1953 				break;
1954 			case GDF_32BIT_X888RGB:
1955 				*(unsigned long *) dest =
1956 					SWAP32((unsigned long) (
1957 							(r << 16) |
1958 							(g <<  8) |
1959 							 b));
1960 				break;
1961 			case GDF_24BIT_888RGB:
1962 #ifdef VIDEO_FB_LITTLE_ENDIAN
1963 				dest[0] = b;
1964 				dest[1] = g;
1965 				dest[2] = r;
1966 #else
1967 				dest[0] = r;
1968 				dest[1] = g;
1969 				dest[2] = b;
1970 #endif
1971 				break;
1972 			}
1973 			source++;
1974 			dest += VIDEO_PIXEL_SIZE;
1975 		}
1976 		dest += skip;
1977 	}
1978 #ifdef CONFIG_VIDEO_BMP_LOGO
1979 	free(logo_red);
1980 	free(logo_green);
1981 	free(logo_blue);
1982 #endif
1983 }
1984 
1985 static void *video_logo(void)
1986 {
1987 	char info[128];
1988 	int space, len;
1989 	__maybe_unused int y_off = 0;
1990 	__maybe_unused ulong addr;
1991 	__maybe_unused char *s;
1992 
1993 	splash_get_pos(&video_logo_xpos, &video_logo_ypos);
1994 
1995 #ifdef CONFIG_SPLASH_SCREEN
1996 	s = getenv("splashimage");
1997 	if (s != NULL) {
1998 		splash_screen_prepare();
1999 		addr = simple_strtoul(s, NULL, 16);
2000 
2001 		if (video_display_bitmap(addr,
2002 					video_logo_xpos,
2003 					video_logo_ypos) == 0) {
2004 			video_logo_height = 0;
2005 			return ((void *) (video_fb_address));
2006 		}
2007 	}
2008 #endif /* CONFIG_SPLASH_SCREEN */
2009 
2010 	logo_plot(video_fb_address, video_logo_xpos, video_logo_ypos);
2011 
2012 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
2013 	/*
2014 	 * when using splashpos for video_logo, skip any info
2015 	 * output on video console if the logo is not at 0,0
2016 	 */
2017 	if (video_logo_xpos || video_logo_ypos) {
2018 		/*
2019 		 * video_logo_height is used in text and cursor offset
2020 		 * calculations. Since the console is below the logo,
2021 		 * we need to adjust the logo height
2022 		 */
2023 		if (video_logo_ypos == BMP_ALIGN_CENTER)
2024 			video_logo_height += max(0, (int)(VIDEO_VISIBLE_ROWS -
2025 						     VIDEO_LOGO_HEIGHT) / 2);
2026 		else if (video_logo_ypos > 0)
2027 			video_logo_height += video_logo_ypos;
2028 
2029 		return video_fb_address + video_logo_height * VIDEO_LINE_LEN;
2030 	}
2031 #endif
2032 	if (board_cfb_skip())
2033 		return 0;
2034 
2035 	sprintf(info, " %s", version_string);
2036 
2037 	space = (VIDEO_LINE_LEN / 2 - VIDEO_INFO_X) / VIDEO_FONT_WIDTH;
2038 	len = strlen(info);
2039 
2040 	if (len > space) {
2041 		video_drawchars(VIDEO_INFO_X, VIDEO_INFO_Y,
2042 				(uchar *) info, space);
2043 		video_drawchars(VIDEO_INFO_X + VIDEO_FONT_WIDTH,
2044 				VIDEO_INFO_Y + VIDEO_FONT_HEIGHT,
2045 				(uchar *) info + space, len - space);
2046 		y_off = 1;
2047 	} else
2048 		video_drawstring(VIDEO_INFO_X, VIDEO_INFO_Y, (uchar *) info);
2049 
2050 #ifdef CONFIG_CONSOLE_EXTRA_INFO
2051 	{
2052 		int i, n =
2053 			((video_logo_height -
2054 			  VIDEO_FONT_HEIGHT) / VIDEO_FONT_HEIGHT);
2055 
2056 		for (i = 1; i < n; i++) {
2057 			video_get_info_str(i, info);
2058 			if (!*info)
2059 				continue;
2060 
2061 			len = strlen(info);
2062 			if (len > space) {
2063 				video_drawchars(VIDEO_INFO_X,
2064 						VIDEO_INFO_Y +
2065 						(i + y_off) *
2066 							VIDEO_FONT_HEIGHT,
2067 						(uchar *) info, space);
2068 				y_off++;
2069 				video_drawchars(VIDEO_INFO_X +
2070 						VIDEO_FONT_WIDTH,
2071 						VIDEO_INFO_Y +
2072 							(i + y_off) *
2073 							VIDEO_FONT_HEIGHT,
2074 						(uchar *) info + space,
2075 						len - space);
2076 			} else {
2077 				video_drawstring(VIDEO_INFO_X,
2078 						 VIDEO_INFO_Y +
2079 						 (i + y_off) *
2080 							VIDEO_FONT_HEIGHT,
2081 						 (uchar *) info);
2082 			}
2083 		}
2084 	}
2085 #endif
2086 
2087 	return (video_fb_address + video_logo_height * VIDEO_LINE_LEN);
2088 }
2089 #endif
2090 
2091 static int cfb_fb_is_in_dram(void)
2092 {
2093 	bd_t *bd = gd->bd;
2094 #if defined(CONFIG_ARM) || defined(CONFIG_AVR32) || defined(COFNIG_NDS32) || \
2095 defined(CONFIG_SANDBOX) || defined(CONFIG_X86)
2096 	ulong start, end;
2097 	int i;
2098 
2099 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
2100 		start = bd->bi_dram[i].start;
2101 		end = bd->bi_dram[i].start + bd->bi_dram[i].size - 1;
2102 		if ((ulong)video_fb_address >= start &&
2103 		    (ulong)video_fb_address < end)
2104 			return 1;
2105 	}
2106 #else
2107 	if ((ulong)video_fb_address >= bd->bi_memstart &&
2108 	    (ulong)video_fb_address < bd->bi_memstart + bd->bi_memsize)
2109 		return 1;
2110 #endif
2111 	return 0;
2112 }
2113 
2114 void video_clear(void)
2115 {
2116 	if (!video_fb_address)
2117 		return;
2118 #ifdef VIDEO_HW_RECTFILL
2119 	video_hw_rectfill(VIDEO_PIXEL_SIZE,	/* bytes per pixel */
2120 			  0,			/* dest pos x */
2121 			  0,			/* dest pos y */
2122 			  VIDEO_VISIBLE_COLS,	/* frame width */
2123 			  VIDEO_VISIBLE_ROWS,	/* frame height */
2124 			  bgx			/* fill color */
2125 	);
2126 #else
2127 	memsetl(video_fb_address,
2128 		(VIDEO_VISIBLE_ROWS * VIDEO_LINE_LEN) / sizeof(int), bgx);
2129 #endif
2130 }
2131 
2132 static int video_init(void)
2133 {
2134 	unsigned char color8;
2135 
2136 	pGD = video_hw_init();
2137 	if (pGD == NULL)
2138 		return -1;
2139 
2140 	video_fb_address = (void *) VIDEO_FB_ADRS;
2141 #ifdef CONFIG_VIDEO_HW_CURSOR
2142 	video_init_hw_cursor(VIDEO_FONT_WIDTH, VIDEO_FONT_HEIGHT);
2143 #endif
2144 
2145 	cfb_do_flush_cache = cfb_fb_is_in_dram() && dcache_status();
2146 
2147 	/* Init drawing pats */
2148 	switch (VIDEO_DATA_FORMAT) {
2149 	case GDF__8BIT_INDEX:
2150 		video_set_lut(0x01, CONSOLE_FG_COL, CONSOLE_FG_COL,
2151 			      CONSOLE_FG_COL);
2152 		video_set_lut(0x00, CONSOLE_BG_COL, CONSOLE_BG_COL,
2153 			      CONSOLE_BG_COL);
2154 		fgx = 0x01010101;
2155 		bgx = 0x00000000;
2156 		break;
2157 	case GDF__8BIT_332RGB:
2158 		color8 = ((CONSOLE_FG_COL & 0xe0) |
2159 			  ((CONSOLE_FG_COL >> 3) & 0x1c) |
2160 			  CONSOLE_FG_COL >> 6);
2161 		fgx = (color8 << 24) | (color8 << 16) | (color8 << 8) |
2162 			color8;
2163 		color8 = ((CONSOLE_BG_COL & 0xe0) |
2164 			  ((CONSOLE_BG_COL >> 3) & 0x1c) |
2165 			  CONSOLE_BG_COL >> 6);
2166 		bgx = (color8 << 24) | (color8 << 16) | (color8 << 8) |
2167 			color8;
2168 		break;
2169 	case GDF_15BIT_555RGB:
2170 		fgx = (((CONSOLE_FG_COL >> 3) << 26) |
2171 		       ((CONSOLE_FG_COL >> 3) << 21) |
2172 		       ((CONSOLE_FG_COL >> 3) << 16) |
2173 		       ((CONSOLE_FG_COL >> 3) << 10) |
2174 		       ((CONSOLE_FG_COL >> 3) <<  5) |
2175 			(CONSOLE_FG_COL >> 3));
2176 		bgx = (((CONSOLE_BG_COL >> 3) << 26) |
2177 		       ((CONSOLE_BG_COL >> 3) << 21) |
2178 		       ((CONSOLE_BG_COL >> 3) << 16) |
2179 		       ((CONSOLE_BG_COL >> 3) << 10) |
2180 		       ((CONSOLE_BG_COL >> 3) <<  5) |
2181 			(CONSOLE_BG_COL >> 3));
2182 		break;
2183 	case GDF_16BIT_565RGB:
2184 		fgx = (((CONSOLE_FG_COL >> 3) << 27) |
2185 		       ((CONSOLE_FG_COL >> 2) << 21) |
2186 		       ((CONSOLE_FG_COL >> 3) << 16) |
2187 		       ((CONSOLE_FG_COL >> 3) << 11) |
2188 		       ((CONSOLE_FG_COL >> 2) <<  5) |
2189 			(CONSOLE_FG_COL >> 3));
2190 		bgx = (((CONSOLE_BG_COL >> 3) << 27) |
2191 		       ((CONSOLE_BG_COL >> 2) << 21) |
2192 		       ((CONSOLE_BG_COL >> 3) << 16) |
2193 		       ((CONSOLE_BG_COL >> 3) << 11) |
2194 		       ((CONSOLE_BG_COL >> 2) <<  5) |
2195 			(CONSOLE_BG_COL >> 3));
2196 		break;
2197 	case GDF_32BIT_X888RGB:
2198 		fgx =	(CONSOLE_FG_COL << 16) |
2199 			(CONSOLE_FG_COL <<  8) |
2200 			 CONSOLE_FG_COL;
2201 		bgx =	(CONSOLE_BG_COL << 16) |
2202 			(CONSOLE_BG_COL <<  8) |
2203 			 CONSOLE_BG_COL;
2204 		break;
2205 	case GDF_24BIT_888RGB:
2206 		fgx =	(CONSOLE_FG_COL << 24) |
2207 			(CONSOLE_FG_COL << 16) |
2208 			(CONSOLE_FG_COL <<  8) |
2209 			 CONSOLE_FG_COL;
2210 		bgx =	(CONSOLE_BG_COL << 24) |
2211 			(CONSOLE_BG_COL << 16) |
2212 			(CONSOLE_BG_COL <<  8) |
2213 			 CONSOLE_BG_COL;
2214 		break;
2215 	}
2216 	eorx = fgx ^ bgx;
2217 
2218 	video_clear();
2219 
2220 #ifdef CONFIG_VIDEO_LOGO
2221 	/* Plot the logo and get start point of console */
2222 	debug("Video: Drawing the logo ...\n");
2223 	video_console_address = video_logo();
2224 #else
2225 	video_console_address = video_fb_address;
2226 #endif
2227 
2228 	/* Initialize the console */
2229 	console_col = 0;
2230 	console_row = 0;
2231 
2232 	if (cfb_do_flush_cache)
2233 		flush_cache(VIDEO_FB_ADRS, VIDEO_SIZE);
2234 
2235 	return 0;
2236 }
2237 
2238 /*
2239  * Implement a weak default function for boards that optionally
2240  * need to skip the video initialization.
2241  */
2242 __weak int board_video_skip(void)
2243 {
2244 	/* As default, don't skip test */
2245 	return 0;
2246 }
2247 
2248 int drv_video_init(void)
2249 {
2250 	struct stdio_dev console_dev;
2251 	bool have_keyboard;
2252 	bool __maybe_unused keyboard_ok = false;
2253 
2254 	/* Check if video initialization should be skipped */
2255 	if (board_video_skip())
2256 		return 0;
2257 
2258 	/* Init video chip - returns with framebuffer cleared */
2259 	if (video_init() == -1)
2260 		return 0;
2261 
2262 	if (board_cfb_skip())
2263 		return 0;
2264 
2265 #if defined(CONFIG_VGA_AS_SINGLE_DEVICE)
2266 	have_keyboard = false;
2267 #elif defined(CONFIG_OF_CONTROL)
2268 	have_keyboard = !fdtdec_get_config_bool(gd->fdt_blob,
2269 						"u-boot,no-keyboard");
2270 #else
2271 	have_keyboard = true;
2272 #endif
2273 	if (have_keyboard) {
2274 		debug("KBD: Keyboard init ...\n");
2275 #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
2276 		keyboard_ok = !(VIDEO_KBD_INIT_FCT == -1);
2277 #endif
2278 	}
2279 
2280 	/* Init vga device */
2281 	memset(&console_dev, 0, sizeof(console_dev));
2282 	strcpy(console_dev.name, "vga");
2283 	console_dev.ext = DEV_EXT_VIDEO;	/* Video extensions */
2284 	console_dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM;
2285 	console_dev.putc = video_putc;	/* 'putc' function */
2286 	console_dev.puts = video_puts;	/* 'puts' function */
2287 
2288 #if !defined(CONFIG_VGA_AS_SINGLE_DEVICE)
2289 	if (have_keyboard && keyboard_ok) {
2290 		/* Also init console device */
2291 		console_dev.flags |= DEV_FLAGS_INPUT;
2292 		console_dev.tstc = VIDEO_TSTC_FCT;	/* 'tstc' function */
2293 		console_dev.getc = VIDEO_GETC_FCT;	/* 'getc' function */
2294 	}
2295 #endif
2296 
2297 	if (stdio_register(&console_dev) != 0)
2298 		return 0;
2299 
2300 	/* Return success */
2301 	return 1;
2302 }
2303 
2304 void video_position_cursor(unsigned col, unsigned row)
2305 {
2306 	console_col = min(col, CONSOLE_COLS - 1);
2307 	console_row = min(row, CONSOLE_ROWS - 1);
2308 }
2309 
2310 int video_get_pixel_width(void)
2311 {
2312 	return VIDEO_VISIBLE_COLS;
2313 }
2314 
2315 int video_get_pixel_height(void)
2316 {
2317 	return VIDEO_VISIBLE_ROWS;
2318 }
2319 
2320 int video_get_screen_rows(void)
2321 {
2322 	return CONSOLE_ROWS;
2323 }
2324 
2325 int video_get_screen_columns(void)
2326 {
2327 	return CONSOLE_COLS;
2328 }
2329