xref: /freebsd/sys/powerpc/ps3/ps3_syscons.c (revision 9b4fcf851a73554063d4a2de9a4f10cd23a0a4f6)
1 /*-
2  * Copyright (c) 2003 Peter Grehan
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/module.h>
33 #include <sys/bus.h>
34 #include <sys/kernel.h>
35 #include <sys/sysctl.h>
36 #include <sys/limits.h>
37 #include <sys/conf.h>
38 #include <sys/cons.h>
39 #include <sys/proc.h>
40 #include <sys/fcntl.h>
41 #include <sys/malloc.h>
42 #include <sys/fbio.h>
43 #include <sys/consio.h>
44 
45 #include <vm/vm.h>
46 #include <vm/pmap.h>
47 
48 #include <machine/bus.h>
49 #include <machine/sc_machdep.h>
50 #include <machine/platform.h>
51 #include <machine/pmap.h>
52 
53 #include <sys/rman.h>
54 
55 #include <dev/fb/fbreg.h>
56 #include <dev/syscons/syscons.h>
57 
58 #include "ps3-hvcall.h"
59 
60 #define PS3FB_SIZE (4*1024*1024)
61 
62 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET	0x0100
63 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC		0x0101
64 #define  L1GPU_DISPLAY_SYNC_HSYNC			1
65 #define  L1GPU_DISPLAY_SYNC_VSYNC			2
66 #define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP		0x0102
67 
68 extern u_char dflt_font_16[];
69 extern u_char dflt_font_14[];
70 extern u_char dflt_font_8[];
71 
72 static int ps3fb_configure(int flags);
73 void ps3fb_remap(void);
74 
75 static vi_probe_t ps3fb_probe;
76 static vi_init_t ps3fb_init;
77 static vi_get_info_t ps3fb_get_info;
78 static vi_query_mode_t ps3fb_query_mode;
79 static vi_set_mode_t ps3fb_set_mode;
80 static vi_save_font_t ps3fb_save_font;
81 static vi_load_font_t ps3fb_load_font;
82 static vi_show_font_t ps3fb_show_font;
83 static vi_save_palette_t ps3fb_save_palette;
84 static vi_load_palette_t ps3fb_load_palette;
85 static vi_set_border_t ps3fb_set_border;
86 static vi_save_state_t ps3fb_save_state;
87 static vi_load_state_t ps3fb_load_state;
88 static vi_set_win_org_t ps3fb_set_win_org;
89 static vi_read_hw_cursor_t ps3fb_read_hw_cursor;
90 static vi_set_hw_cursor_t ps3fb_set_hw_cursor;
91 static vi_set_hw_cursor_shape_t ps3fb_set_hw_cursor_shape;
92 static vi_blank_display_t ps3fb_blank_display;
93 static vi_mmap_t ps3fb_mmap;
94 static vi_ioctl_t ps3fb_ioctl;
95 static vi_clear_t ps3fb_clear;
96 static vi_fill_rect_t ps3fb_fill_rect;
97 static vi_bitblt_t ps3fb_bitblt;
98 static vi_diag_t ps3fb_diag;
99 static vi_save_cursor_palette_t ps3fb_save_cursor_palette;
100 static vi_load_cursor_palette_t ps3fb_load_cursor_palette;
101 static vi_copy_t ps3fb_copy;
102 static vi_putp_t ps3fb_putp;
103 static vi_putc_t ps3fb_putc;
104 static vi_puts_t ps3fb_puts;
105 static vi_putm_t ps3fb_putm;
106 
107 struct ps3fb_softc {
108 	video_adapter_t sc_va;
109 	struct cdev 	*sc_si;
110 	int		sc_console;
111 
112 	intptr_t	sc_addr;
113 	int		sc_height;
114 	int		sc_width;
115 	int		sc_stride;
116 	int		sc_ncol;
117 	int		sc_nrow;
118 
119 	int		sc_xmargin;
120 	int		sc_ymargin;
121 
122 	u_char		*sc_font;
123 	int		sc_font_height;
124 };
125 
126 static video_switch_t ps3fbvidsw = {
127 	.probe			= ps3fb_probe,
128 	.init			= ps3fb_init,
129 	.get_info		= ps3fb_get_info,
130 	.query_mode		= ps3fb_query_mode,
131 	.set_mode		= ps3fb_set_mode,
132 	.save_font		= ps3fb_save_font,
133 	.load_font		= ps3fb_load_font,
134 	.show_font		= ps3fb_show_font,
135 	.save_palette		= ps3fb_save_palette,
136 	.load_palette		= ps3fb_load_palette,
137 	.set_border		= ps3fb_set_border,
138 	.save_state		= ps3fb_save_state,
139 	.load_state		= ps3fb_load_state,
140 	.set_win_org		= ps3fb_set_win_org,
141 	.read_hw_cursor		= ps3fb_read_hw_cursor,
142 	.set_hw_cursor		= ps3fb_set_hw_cursor,
143 	.set_hw_cursor_shape	= ps3fb_set_hw_cursor_shape,
144 	.blank_display		= ps3fb_blank_display,
145 	.mmap			= ps3fb_mmap,
146 	.ioctl			= ps3fb_ioctl,
147 	.clear			= ps3fb_clear,
148 	.fill_rect		= ps3fb_fill_rect,
149 	.bitblt			= ps3fb_bitblt,
150 	.diag			= ps3fb_diag,
151 	.save_cursor_palette	= ps3fb_save_cursor_palette,
152 	.load_cursor_palette	= ps3fb_load_cursor_palette,
153 	.copy			= ps3fb_copy,
154 	.putp			= ps3fb_putp,
155 	.putc			= ps3fb_putc,
156 	.puts			= ps3fb_puts,
157 	.putm			= ps3fb_putm,
158 };
159 
160 VIDEO_DRIVER(ps3fb, ps3fbvidsw, ps3fb_configure);
161 
162 extern sc_rndr_sw_t txtrndrsw;
163 RENDERER(ps3fb, 0, txtrndrsw, gfb_set);
164 
165 RENDERER_MODULE(ps3fb, gfb_set);
166 
167 /*
168  * Define the iso6429-1983 colormap
169  */
170 static struct {
171 	uint8_t	red;
172 	uint8_t	green;
173 	uint8_t	blue;
174 } ps3fb_cmap[16] = {		/*  #     R    G    B   Color */
175 				/*  -     -    -    -   ----- */
176 	{ 0x00, 0x00, 0x00 },	/*  0     0    0    0   Black */
177 	{ 0x00, 0x00, 0xaa },	/*  1     0    0  2/3   Blue  */
178 	{ 0x00, 0xaa, 0x00 },	/*  2     0  2/3    0   Green */
179 	{ 0x00, 0xaa, 0xaa },	/*  3     0  2/3  2/3   Cyan  */
180 	{ 0xaa, 0x00, 0x00 },	/*  4   2/3    0    0   Red   */
181 	{ 0xaa, 0x00, 0xaa },	/*  5   2/3    0  2/3   Magenta */
182 	{ 0xaa, 0x55, 0x00 },	/*  6   2/3  1/3    0   Brown */
183 	{ 0xaa, 0xaa, 0xaa },	/*  7   2/3  2/3  2/3   White */
184         { 0x55, 0x55, 0x55 },	/*  8   1/3  1/3  1/3   Gray  */
185 	{ 0x55, 0x55, 0xff },	/*  9   1/3  1/3    1   Bright Blue  */
186 	{ 0x55, 0xff, 0x55 },	/* 10   1/3    1  1/3   Bright Green */
187 	{ 0x55, 0xff, 0xff },	/* 11   1/3    1    1   Bright Cyan  */
188 	{ 0xff, 0x55, 0x55 },	/* 12     1  1/3  1/3   Bright Red   */
189 	{ 0xff, 0x55, 0xff },	/* 13     1  1/3    1   Bright Magenta */
190 	{ 0xff, 0xff, 0x80 },	/* 14     1    1  1/3   Bright Yellow */
191 	{ 0xff, 0xff, 0xff }	/* 15     1    1    1   Bright White */
192 };
193 
194 #define	TODO	printf("%s: unimplemented\n", __func__)
195 
196 static u_int16_t ps3fb_static_window[ROW*COL];
197 
198 static struct ps3fb_softc ps3fb_softc;
199 
200 static __inline int
201 ps3fb_background(uint8_t attr)
202 {
203 	return (attr >> 4);
204 }
205 
206 static __inline int
207 ps3fb_foreground(uint8_t attr)
208 {
209 	return (attr & 0x0f);
210 }
211 
212 static u_int
213 ps3fb_pix32(int attr)
214 {
215 	u_int retval;
216 
217 	retval = (ps3fb_cmap[attr].red  << 16) |
218 		(ps3fb_cmap[attr].green << 8) |
219 		ps3fb_cmap[attr].blue;
220 
221 	return (retval);
222 }
223 
224 static int
225 ps3fb_configure(int flags)
226 {
227 	struct ps3fb_softc *sc;
228 	int disable;
229 	char compatible[64];
230 #if 0
231 	phandle_t root;
232 #endif
233 	static int done = 0;
234 
235 	disable = 0;
236 	TUNABLE_INT_FETCH("hw.syscons.disable", &disable);
237 	if (disable != 0)
238 		return (0);
239 
240 	if (done != 0)
241 		return (0);
242 	done = 1;
243 
244 	sc = &ps3fb_softc;
245 
246 #if 0
247 	root = OF_finddevice("/");
248 	if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0)
249                 return (0);
250 
251 	if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0)
252 		return (0);
253 #else
254 	TUNABLE_STR_FETCH("hw.platform", compatible, sizeof(compatible));
255 	if (strcmp(compatible, "ps3") != 0)
256 		return (0);
257 #endif
258 
259 	sc->sc_console = 1;
260 
261 	/* XXX: get from HV repository */
262 	sc->sc_height = 480;
263 	sc->sc_width = 720;
264 	sc->sc_stride = sc->sc_width*4;
265 
266 	/*
267 	 * The loader puts the FB at 0x10000000, so use that for now.
268 	 */
269 
270 	sc->sc_addr = 0x10000000;
271 	ps3fb_init(0, &sc->sc_va, 0);
272 
273 	return (0);
274 }
275 
276 void
277 ps3fb_remap(void)
278 {
279 	vm_offset_t va, fb_paddr;
280 	uint64_t fbhandle, fbcontext;
281 
282 	lv1_gpu_close();
283 	lv1_gpu_open(0);
284 
285 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
286 	    0,0,0,0);
287 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_MODE_SET,
288 	    0,0,1,0);
289 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
290 	    0,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
291 	lv1_gpu_context_attribute(0, L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
292 	    1,L1GPU_DISPLAY_SYNC_VSYNC,0,0);
293 	lv1_gpu_memory_allocate(PS3FB_SIZE, 0, 0, 0, 0, &fbhandle, &fb_paddr);
294 	lv1_gpu_context_allocate(fbhandle, 0, &fbcontext);
295 
296 	lv1_gpu_context_attribute(fbcontext,
297 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 0, 0, 0, 0);
298 	lv1_gpu_context_attribute(fbcontext,
299 	    L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP, 1, 0, 0, 0);
300 
301 	for (va = 0; va < PS3FB_SIZE; va += PAGE_SIZE)
302 		pmap_kenter_attr(0x10000000 + va, fb_paddr + va,
303 		    VM_MEMATTR_WRITE_COMBINING);
304 }
305 
306 static int
307 ps3fb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
308 {
309 	TODO;
310 	return (0);
311 }
312 
313 static int
314 ps3fb_init(int unit, video_adapter_t *adp, int flags)
315 {
316 	struct ps3fb_softc *sc;
317 	video_info_t *vi;
318 	int cxborder, cyborder;
319 	int font_height;
320 
321 	sc = (struct ps3fb_softc *)adp;
322 	vi = &adp->va_info;
323 
324 	vid_init_struct(adp, "ps3fb", -1, unit);
325 
326 	/* The default font size can be overridden by loader */
327 	font_height = 16;
328 	TUNABLE_INT_FETCH("hw.syscons.fsize", &font_height);
329 	if (font_height == 8) {
330 		sc->sc_font = dflt_font_8;
331 		sc->sc_font_height = 8;
332 	} else if (font_height == 14) {
333 		sc->sc_font = dflt_font_14;
334 		sc->sc_font_height = 14;
335 	} else {
336 		/* default is 8x16 */
337 		sc->sc_font = dflt_font_16;
338 		sc->sc_font_height = 16;
339 	}
340 
341 	/* The user can set a border in chars - default is 1 char width */
342 	cxborder = 8;
343 	cyborder = 2;
344 	TUNABLE_INT_FETCH("hw.syscons.xborder", &cxborder);
345 	TUNABLE_INT_FETCH("hw.syscons.yborder", &cyborder);
346 
347 	vi->vi_cheight = sc->sc_font_height;
348 	vi->vi_width = sc->sc_width/8 - 2*cxborder;
349 	vi->vi_height = sc->sc_height/sc->sc_font_height - 2*cyborder;
350 	vi->vi_cwidth = 8;
351 
352 	/*
353 	 * Clamp width/height to syscons maximums
354 	 */
355 	if (vi->vi_width > COL)
356 		vi->vi_width = COL;
357 	if (vi->vi_height > ROW)
358 		vi->vi_height = ROW;
359 
360 	sc->sc_xmargin = (sc->sc_width - (vi->vi_width * vi->vi_cwidth)) / 2;
361 	sc->sc_ymargin = (sc->sc_height - (vi->vi_height * vi->vi_cheight))/2;
362 
363 	/*
364 	 * Avoid huge amounts of conditional code in syscons by
365 	 * defining a dummy h/w text display buffer.
366 	 */
367 	adp->va_window = (vm_offset_t) ps3fb_static_window;
368 
369 	/*
370 	 * Enable future font-loading and flag color support, as well as
371 	 * adding V_ADP_MODECHANGE so that we ps3fb_set_mode() gets called
372 	 * when the X server shuts down. This enables us to get the console
373 	 * back when X disappears.
374 	 */
375 	adp->va_flags |= V_ADP_FONT | V_ADP_COLOR | V_ADP_MODECHANGE;
376 
377 	ps3fb_set_mode(&sc->sc_va, 0);
378 	vid_register(&sc->sc_va);
379 
380 	return (0);
381 }
382 
383 static int
384 ps3fb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
385 {
386 	bcopy(&adp->va_info, info, sizeof(*info));
387 	return (0);
388 }
389 
390 static int
391 ps3fb_query_mode(video_adapter_t *adp, video_info_t *info)
392 {
393 	TODO;
394 	return (0);
395 }
396 
397 static int
398 ps3fb_set_mode(video_adapter_t *adp, int mode)
399 {
400 	struct ps3fb_softc *sc;
401 
402 	sc = (struct ps3fb_softc *)adp;
403 
404 	/* XXX: no real mode setting at the moment */
405 
406 	ps3fb_blank_display(&sc->sc_va, V_DISPLAY_ON);
407 
408 	return (0);
409 }
410 
411 static int
412 ps3fb_save_font(video_adapter_t *adp, int page, int size, int width,
413     u_char *data, int c, int count)
414 {
415 	TODO;
416 	return (0);
417 }
418 
419 static int
420 ps3fb_load_font(video_adapter_t *adp, int page, int size, int width,
421     u_char *data, int c, int count)
422 {
423 	struct ps3fb_softc *sc;
424 
425 	sc = (struct ps3fb_softc *)adp;
426 
427 	/*
428 	 * syscons code has already determined that current width/height
429 	 * are unchanged for this new font
430 	 */
431 	sc->sc_font = data;
432 	return (0);
433 }
434 
435 static int
436 ps3fb_show_font(video_adapter_t *adp, int page)
437 {
438 
439 	return (0);
440 }
441 
442 static int
443 ps3fb_save_palette(video_adapter_t *adp, u_char *palette)
444 {
445 	/* TODO; */
446 	return (0);
447 }
448 
449 static int
450 ps3fb_load_palette(video_adapter_t *adp, u_char *palette)
451 {
452 	/* TODO; */
453 	return (0);
454 }
455 
456 static int
457 ps3fb_set_border(video_adapter_t *adp, int border)
458 {
459 	/* XXX Be lazy for now and blank entire screen */
460 	return (ps3fb_blank_display(adp, border));
461 }
462 
463 static int
464 ps3fb_save_state(video_adapter_t *adp, void *p, size_t size)
465 {
466 	TODO;
467 	return (0);
468 }
469 
470 static int
471 ps3fb_load_state(video_adapter_t *adp, void *p)
472 {
473 	TODO;
474 	return (0);
475 }
476 
477 static int
478 ps3fb_set_win_org(video_adapter_t *adp, off_t offset)
479 {
480 	TODO;
481 	return (0);
482 }
483 
484 static int
485 ps3fb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
486 {
487 	*col = 0;
488 	*row = 0;
489 
490 	return (0);
491 }
492 
493 static int
494 ps3fb_set_hw_cursor(video_adapter_t *adp, int col, int row)
495 {
496 
497 	return (0);
498 }
499 
500 static int
501 ps3fb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
502     int celsize, int blink)
503 {
504 	return (0);
505 }
506 
507 static int
508 ps3fb_blank_display(video_adapter_t *adp, int mode)
509 {
510 	struct ps3fb_softc *sc;
511 	int i;
512 	uint32_t *addr;
513 
514 	sc = (struct ps3fb_softc *)adp;
515 	addr = (uint32_t *) sc->sc_addr;
516 
517 	for (i = 0; i < (sc->sc_stride/4)*sc->sc_height; i++)
518 		*(addr + i) = ps3fb_pix32(ps3fb_background(SC_NORM_ATTR));
519 
520 	return (0);
521 }
522 
523 static int
524 ps3fb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
525     int prot, vm_memattr_t *memattr)
526 {
527 	struct ps3fb_softc *sc;
528 
529 	sc = (struct ps3fb_softc *)adp;
530 
531 	/*
532 	 * This might be a legacy VGA mem request: if so, just point it at the
533 	 * framebuffer, since it shouldn't be touched
534 	 */
535 	if (offset < sc->sc_stride*sc->sc_height) {
536 		*paddr = sc->sc_addr + offset;
537 		return (0);
538 	}
539 
540 	return (EINVAL);
541 }
542 
543 static int
544 ps3fb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
545 {
546 
547 	return (0);
548 }
549 
550 static int
551 ps3fb_clear(video_adapter_t *adp)
552 {
553 	TODO;
554 	return (0);
555 }
556 
557 static int
558 ps3fb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
559 {
560 	TODO;
561 	return (0);
562 }
563 
564 static int
565 ps3fb_bitblt(video_adapter_t *adp, ...)
566 {
567 	TODO;
568 	return (0);
569 }
570 
571 static int
572 ps3fb_diag(video_adapter_t *adp, int level)
573 {
574 	TODO;
575 	return (0);
576 }
577 
578 static int
579 ps3fb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
580 {
581 	TODO;
582 	return (0);
583 }
584 
585 static int
586 ps3fb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
587 {
588 	TODO;
589 	return (0);
590 }
591 
592 static int
593 ps3fb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
594 {
595 	TODO;
596 	return (0);
597 }
598 
599 static int
600 ps3fb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
601     int size, int bpp, int bit_ltor, int byte_ltor)
602 {
603 	TODO;
604 	return (0);
605 }
606 
607 static int
608 ps3fb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
609 {
610 	struct ps3fb_softc *sc;
611 	int row;
612 	int col;
613 	int i, j, k;
614 	uint32_t *addr;
615 	u_char *p;
616 
617 	sc = (struct ps3fb_softc *)adp;
618         row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
619         col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
620 	p = sc->sc_font + c*sc->sc_font_height;
621 	addr = (uint32_t *)sc->sc_addr
622 		+ (row + sc->sc_ymargin)*(sc->sc_stride/4)
623 		+ col + sc->sc_xmargin;
624 
625 	for (i = 0; i < sc->sc_font_height; i++) {
626 		for (j = 0, k = 7; j < 8; j++, k--) {
627 			if ((p[i] & (1 << k)) == 0)
628 				*(addr + j) = ps3fb_pix32(ps3fb_background(a));
629 			else
630 				*(addr + j) = ps3fb_pix32(ps3fb_foreground(a));
631 		}
632 		addr += (sc->sc_stride/4);
633 	}
634 
635 	return (0);
636 }
637 
638 static int
639 ps3fb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
640 {
641 	int i;
642 
643 	for (i = 0; i < len; i++) {
644 		ps3fb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
645 	}
646 	return (0);
647 }
648 
649 static int
650 ps3fb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
651     uint32_t pixel_mask, int size, int width)
652 {
653 	struct ps3fb_softc *sc;
654 	int i, j, k;
655 	uint32_t fg, bg;
656 	uint32_t *addr;
657 
658 	sc = (struct ps3fb_softc *)adp;
659 	addr = (uint32_t *)sc->sc_addr
660 		+ (y + sc->sc_ymargin)*(sc->sc_stride/4)
661 		+ x + sc->sc_xmargin;
662 
663 	fg = ps3fb_pix32(ps3fb_foreground(SC_NORM_ATTR));
664 	bg = ps3fb_pix32(ps3fb_background(SC_NORM_ATTR));
665 
666 	for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) {
667 		for (j = 0, k = width; j < 8; j++, k--) {
668 			if (x + j >= sc->sc_width - 2*sc->sc_xmargin)
669 				continue;
670 
671 			if (pixel_image[i] & (1 << k))
672 				*(addr + j) = (*(addr + j) == fg) ? bg : fg;
673 		}
674 		addr += (sc->sc_stride/4);
675 	}
676 
677 	return (0);
678 }
679 
680 /*
681  * Define the syscons nexus device attachment
682  */
683 static void
684 ps3fb_scidentify(driver_t *driver, device_t parent)
685 {
686 	device_t child;
687 
688 	/*
689 	 * Add with a priority guaranteed to make it last on
690 	 * the device list
691 	 */
692 	if (strcmp(installed_platform(), "ps3") == 0)
693 		child = BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0);
694 }
695 
696 static int
697 ps3fb_scprobe(device_t dev)
698 {
699 	int error;
700 
701 	if (strcmp(installed_platform(), "ps3") != 0)
702 		return (ENXIO);
703 
704 	device_set_desc(dev, "System console");
705 
706 	error = sc_probe_unit(device_get_unit(dev),
707 	    device_get_flags(dev) | SC_AUTODETECT_KBD);
708 	if (error != 0)
709 		return (error);
710 
711 	/* This is a fake device, so make sure we added it ourselves */
712 	return (BUS_PROBE_NOWILDCARD);
713 }
714 
715 static int
716 ps3fb_scattach(device_t dev)
717 {
718 	return (sc_attach_unit(device_get_unit(dev),
719 	    device_get_flags(dev) | SC_AUTODETECT_KBD));
720 }
721 
722 static device_method_t ps3fb_sc_methods[] = {
723   	DEVMETHOD(device_identify,	ps3fb_scidentify),
724 	DEVMETHOD(device_probe,		ps3fb_scprobe),
725 	DEVMETHOD(device_attach,	ps3fb_scattach),
726 	{ 0, 0 }
727 };
728 
729 static driver_t ps3fb_sc_driver = {
730 	SC_DRIVER_NAME,
731 	ps3fb_sc_methods,
732 	sizeof(sc_softc_t),
733 };
734 
735 static devclass_t	sc_devclass;
736 
737 DRIVER_MODULE(sc, nexus, ps3fb_sc_driver, sc_devclass, 0, 0);
738 
739 /*
740  * Define a stub keyboard driver in case one hasn't been
741  * compiled into the kernel
742  */
743 #include <sys/kbio.h>
744 #include <dev/kbd/kbdreg.h>
745 
746 static int dummy_kbd_configure(int flags);
747 
748 keyboard_switch_t ps3dummysw;
749 
750 static int
751 dummy_kbd_configure(int flags)
752 {
753 
754 	return (0);
755 }
756 KEYBOARD_DRIVER(ps3dummy, ps3dummysw, dummy_kbd_configure);
757 
758