xref: /openbsd/sys/arch/sparc64/dev/radeonfb.c (revision 91f110e0)
1 /*	$OpenBSD: radeonfb.c,v 1.5 2013/10/20 20:07:27 miod Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 Mark Kettenis.
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/param.h>
20 #include <sys/device.h>
21 #include <sys/pciio.h>
22 #include <sys/systm.h>
23 
24 #include <machine/autoconf.h>
25 #include <machine/bus.h>
26 #include <machine/openfirm.h>
27 
28 #include <dev/pci/pcireg.h>
29 #include <dev/pci/pcivar.h>
30 #include <dev/pci/pcidevs.h>
31 
32 #include <dev/wscons/wsconsio.h>
33 #include <dev/wscons/wsdisplayvar.h>
34 
35 #include <dev/rasops/rasops.h>
36 
37 #include <machine/fbvar.h>
38 
39 #define RADEON_PCI_MEM		0x10
40 #define RADEON_PCI_MMIO		0x18
41 
42 #define RADEON_PALETTE_INDEX		0x00b0
43 #define RADEON_PALETTE_DATA		0x00b4
44 
45 #define RADEON_CRTC_OFFSET		0x0224
46 
47 #define RADEON_SURFACE_CNTL		0x0b00
48 #define  RADEON_NONSURF_AP0_SWP_16BPP	0x00100000
49 #define  RADEON_NONSURF_AP0_SWP_32BPP	0x00200000
50 #define  RADEON_NONSURF_AP1_SWP_16BPP	0x00400000
51 #define  RADEON_NONSURF_AP1_SWP_32BPP	0x00800000
52 
53 #define RADEON_RBBM_STATUS		0x0e40
54 #define  RADEON_RBBM_FIFOCNT_MASK	0x0000007f
55 #define  RADEON_RBBM_ACTIVE		0x80000000
56 
57 #define RADEON_SRC_Y_X			0x1434
58 #define RADEON_DST_Y_X			0x1438
59 #define RADEON_DST_HEIGHT_WIDTH		0x143c
60 
61 #define RADEON_DP_GUI_MASTER_CNTL	0x146c
62 #define  RADEON_GMC_DST_8BPP		0x00000200
63 #define  RADEON_GMC_DST_32BPP		0x00000600
64 #define  RADEON_GMC_BRUSH_NONE		0x000000e0
65 #define  RADEON_GMC_BRUSH_SOLID_COLOR	0x000000d0
66 #define  RADEON_GMC_SRC_DATATYPE_COLOR	0x00003000
67 #define  RADEON_GMC_SRC_SOURCE_MEMORY	0x02000000
68 #define  RADEON_ROP3_S			0x00cc0000
69 #define  RADEON_ROP3_P			0x00f00000
70 #define  RADEON_GMC_CLR_CMP_CNTL_DIS    0x10000000
71 
72 #define RADEON_DP_BRUSH_BKGD_CLR	0x1478
73 #define RADEON_DP_BRUSH_FRGD_CLR	0x147c
74 
75 #define RADEON_DP_CNTL			0x16c0
76 #define  RADEON_DST_X_LEFT_TO_RIGHT	0x00000001
77 #define  RADEON_DST_Y_TOP_TO_BOTTOM	0x00000002
78 #define RADEON_DP_WRITE_MASK		0x16cc
79 
80 #define RADEON_DEFAULT_PITCH_OFFSET	0x16e0
81 #define RADEON_DEFAULT_SC_BOTTOM_RIGHT	0x16e8
82 
83 #define RADEON_WAIT_UNTIL		0x1720
84 #define  RADEON_WAIT_2D_IDLECLEAN	0x00010000
85 #define  RADEON_WAIT_3D_IDLECLEAN	0x00020000
86 #define  RADEON_WAIT_HOST_IDLECLEAN	0x00040000
87 
88 #define RADEON_RB3D_DSTCACHE_CTLSTAT	0x325c
89 #define  RADEON_RB3D_DC_FLUSH_ALL	0x0000000f
90 #define  RADEON_RB3D_DC_BUSY		0x80000000
91 
92 #define RADEON_COORDS(x, y)	((y << 16) | (x))
93 
94 #ifdef APERTURE
95 extern int allowaperture;
96 #endif
97 
98 struct radeonfb_softc {
99 	struct sunfb	sc_sunfb;
100 
101 	bus_space_tag_t sc_memt;
102 	bus_space_handle_t sc_memh;
103 	bus_addr_t	sc_membase;
104 	bus_size_t	sc_memsize;
105 	bus_size_t	sc_memoff;
106 
107 	bus_space_tag_t	sc_mmiot;
108 	bus_space_handle_t sc_mmioh;
109 	bus_addr_t	sc_mmiobase;
110 	bus_size_t	sc_mmiosize;
111 
112 	pcitag_t	sc_pcitag;
113 
114 	int		sc_mode;
115 	u_int8_t	sc_cmap_red[256];
116 	u_int8_t	sc_cmap_green[256];
117 	u_int8_t	sc_cmap_blue[256];
118 };
119 
120 int	radeonfb_ioctl(void *, u_long, caddr_t, int, struct proc *);
121 paddr_t	radeonfb_mmap(void *, off_t, int);
122 
123 struct wsdisplay_accessops radeonfb_accessops = {
124 	.ioctl = radeonfb_ioctl,
125 	.mmap = radeonfb_mmap
126 };
127 
128 int	radeonfb_match(struct device *, void *, void *);
129 void	radeonfb_attach(struct device *, struct device *, void *);
130 
131 struct cfattach radeonfb_ca = {
132 	sizeof(struct radeonfb_softc), radeonfb_match, radeonfb_attach
133 };
134 
135 struct cfdriver radeonfb_cd = {
136 	NULL, "radeonfb", DV_DULL
137 };
138 
139 int	radeonfb_is_console(int);
140 int	radeonfb_getcmap(struct radeonfb_softc *, struct wsdisplay_cmap *);
141 int	radeonfb_putcmap(struct radeonfb_softc *, struct wsdisplay_cmap *);
142 void	radeonfb_setcolor(void *, u_int, u_int8_t, u_int8_t, u_int8_t);
143 
144 int	radeonfb_copycols(void *, int, int, int, int);
145 int	radeonfb_erasecols(void *, int, int, int, long);
146 int	radeonfb_copyrows(void *, int, int, int);
147 int	radeonfb_eraserows(void *, int, int, long);
148 
149 void	radeonfb_init(struct radeonfb_softc *);
150 void	radeonfb_wait_fifo(struct radeonfb_softc *, int);
151 void	radeonfb_wait(struct radeonfb_softc *);
152 void	radeonfb_copyrect(struct radeonfb_softc *, int, int, int, int, int, int);
153 void	radeonfb_fillrect(struct radeonfb_softc *, int, int, int, int, int);
154 
155 int
156 radeonfb_match(struct device *parent, void *cf, void *aux)
157 {
158 	struct pci_attach_args *pa = aux;
159 	char buf[32];
160 	int node;
161 
162 	node = PCITAG_NODE(pa->pa_tag);
163 	OF_getprop(node, "name", buf, sizeof(buf));
164 	if (strcmp(buf, "SUNW,XVR-100") == 0 ||
165 	    strcmp(buf, "SUNW,XVR-300") == 0)
166 		return (10);
167 
168 	return (0);
169 }
170 
171 void
172 radeonfb_attach(struct device *parent, struct device *self, void *aux)
173 {
174 	struct radeonfb_softc *sc = (struct radeonfb_softc *)self;
175 	struct pci_attach_args *pa = aux;
176 	struct rasops_info *ri;
177 	int node, console, flags;
178 	char *model;
179 
180 	sc->sc_pcitag = pa->pa_tag;
181 
182 	node = PCITAG_NODE(pa->pa_tag);
183 	console = radeonfb_is_console(node);
184 
185 	printf("\n");
186 
187 	model = getpropstring(node, "model");
188 	printf("%s: %s", self->dv_xname, model);
189 
190 	if (pci_mapreg_map(pa, RADEON_PCI_MEM, PCI_MAPREG_TYPE_MEM,
191 	    BUS_SPACE_MAP_LINEAR, &sc->sc_memt, &sc->sc_memh,
192 	    &sc->sc_membase, &sc->sc_memsize, 0)) {
193 		printf("\n%s: can't map video memory\n", self->dv_xname);
194 		return;
195 	}
196 
197 	if (pci_mapreg_map(pa, RADEON_PCI_MMIO, PCI_MAPREG_TYPE_MEM, 0,
198 	    &sc->sc_mmiot, &sc->sc_mmioh, &sc->sc_mmiobase,
199 	    &sc->sc_mmiosize, 0)) {
200 		printf("\n%s: can't map registers\n", self->dv_xname);
201 		return;
202 	}
203 
204 	fb_setsize(&sc->sc_sunfb, 8, 1152, 900, node, 0);
205 
206 	printf(", %dx%d\n", sc->sc_sunfb.sf_width, sc->sc_sunfb.sf_height);
207 
208 	/*
209 	 * The firmware sets up the framebuffer such that at starts at
210 	 * an offset from the start of video memory.
211 	 */
212 	sc->sc_memoff =
213 	    bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_CRTC_OFFSET);
214 
215 	ri = &sc->sc_sunfb.sf_ro;
216 	ri->ri_bits = bus_space_vaddr(sc->sc_memt, sc->sc_memh);
217 	ri->ri_bits += sc->sc_memoff;
218 	ri->ri_hw = sc;
219 
220 	if (sc->sc_sunfb.sf_depth == 32)
221 		flags = 0;
222 	else
223 		flags = RI_BSWAP;
224 
225 	fbwscons_init(&sc->sc_sunfb, flags, console);
226 	fbwscons_setcolormap(&sc->sc_sunfb, radeonfb_setcolor);
227 	sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
228 
229 	radeonfb_init(sc);
230 	ri->ri_ops.copyrows = radeonfb_copyrows;
231 	ri->ri_ops.copycols = radeonfb_copycols;
232 	ri->ri_ops.eraserows = radeonfb_eraserows;
233 	ri->ri_ops.erasecols = radeonfb_erasecols;
234 
235 	if (console)
236 		fbwscons_console_init(&sc->sc_sunfb, -1);
237 	fbwscons_attach(&sc->sc_sunfb, &radeonfb_accessops, console);
238 }
239 
240 int
241 radeonfb_ioctl(void *v, u_long cmd, caddr_t data, int flags, struct proc *p)
242 {
243 	struct radeonfb_softc *sc = v;
244 	struct wsdisplay_fbinfo *wdf;
245 	struct pcisel *sel;
246 
247 	switch (cmd) {
248 	case WSDISPLAYIO_GTYPE:
249 		*(u_int *)data = WSDISPLAY_TYPE_RADEONFB;
250 		break;
251 	case WSDISPLAYIO_SMODE:
252 		sc->sc_mode = *(u_int *)data;
253 		if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
254 			struct rasops_info *ri = &sc->sc_sunfb.sf_ro;
255 
256 			/* Restore colormap. */
257 			fbwscons_setcolormap(&sc->sc_sunfb, radeonfb_setcolor);
258 
259 			/* Clear screen. */
260 			radeonfb_init(sc);
261 			radeonfb_fillrect(sc, 0, 0, ri->ri_width,
262 			    ri->ri_height, ri->ri_devcmap[WSCOL_WHITE]);
263 		}
264 		break;
265 
266 	case WSDISPLAYIO_GINFO:
267 		wdf = (void *)data;
268 		wdf->height = sc->sc_sunfb.sf_height;
269 		wdf->width  = sc->sc_sunfb.sf_width;
270 		wdf->depth  = sc->sc_sunfb.sf_depth;
271 		if (sc->sc_sunfb.sf_depth == 32)
272 			wdf->cmsize = 0;
273 		else
274 			wdf->cmsize = 256;
275 		break;
276 	case WSDISPLAYIO_GETSUPPORTEDDEPTH:
277 		if (sc->sc_sunfb.sf_depth == 32)
278 			*(u_int *)data = WSDISPLAYIO_DEPTH_24_32;
279 		else
280 			return (-1);
281 		break;
282 	case WSDISPLAYIO_LINEBYTES:
283 		*(u_int *)data = sc->sc_sunfb.sf_linebytes;
284 		break;
285 
286 	case WSDISPLAYIO_GETCMAP:
287 		return radeonfb_getcmap(sc, (struct wsdisplay_cmap *)data);
288 	case WSDISPLAYIO_PUTCMAP:
289 		return radeonfb_putcmap(sc, (struct wsdisplay_cmap *)data);
290 
291 	case WSDISPLAYIO_GPCIID:
292 		sel = (struct pcisel *)data;
293 		sel->pc_bus = PCITAG_BUS(sc->sc_pcitag);
294 		sel->pc_dev = PCITAG_DEV(sc->sc_pcitag);
295 		sel->pc_func = PCITAG_FUN(sc->sc_pcitag);
296 		break;
297 
298 	case WSDISPLAYIO_SVIDEO:
299 	case WSDISPLAYIO_GVIDEO:
300 		break;
301 
302 	case WSDISPLAYIO_GCURPOS:
303 	case WSDISPLAYIO_SCURPOS:
304 	case WSDISPLAYIO_GCURMAX:
305 	case WSDISPLAYIO_GCURSOR:
306 	case WSDISPLAYIO_SCURSOR:
307 	default:
308 		return -1; /* not supported yet */
309         }
310 
311 	return (0);
312 }
313 
314 paddr_t
315 radeonfb_mmap(void *v, off_t off, int prot)
316 {
317 	struct radeonfb_softc *sc = v;
318 
319 	if (off & PGOFSET)
320 		return (-1);
321 
322 	switch (sc->sc_mode) {
323 	case WSDISPLAYIO_MODE_MAPPED:
324 #ifdef APERTURE
325 		if (allowaperture == 0)
326 			return (-1);
327 #endif
328 
329 		if (sc->sc_mmiosize == 0)
330 			return (-1);
331 
332 		if (off >= sc->sc_membase &&
333 		    off < (sc->sc_membase + sc->sc_memsize))
334 			return (bus_space_mmap(sc->sc_memt,
335 			    sc->sc_membase, off - sc->sc_membase,
336 			    prot, BUS_SPACE_MAP_LINEAR));
337 
338 		if (off >= sc->sc_mmiobase &&
339 		    off < (sc->sc_mmiobase + sc->sc_mmiosize))
340 			return (bus_space_mmap(sc->sc_mmiot,
341 			    sc->sc_mmiobase, off - sc->sc_mmiobase,
342 			    prot, BUS_SPACE_MAP_LINEAR));
343 		break;
344 
345 	case WSDISPLAYIO_MODE_DUMBFB:
346 		if ((sc->sc_memoff % PAGE_SIZE) != 0)
347 			return (-1);
348 
349 		if (off >= 0 && off < sc->sc_memsize / 2) {
350 			bus_addr_t base = sc->sc_membase + sc->sc_memoff;
351 
352 			/*
353 			 * In 32bpp mode, use the second aperture,
354 			 * which has been set up by the firmware to do
355 			 * proper byte swapping.
356 			 */
357 			if (sc->sc_sunfb.sf_depth == 32)
358 				base += sc->sc_memsize / 2;
359 
360 			return (bus_space_mmap(sc->sc_memt, base, off,
361 			    prot, BUS_SPACE_MAP_LINEAR));
362 		}
363 		break;
364 	}
365 
366 	return (-1);
367 }
368 
369 int
370 radeonfb_is_console(int node)
371 {
372 	extern int fbnode;
373 
374 	return (fbnode == node);
375 }
376 
377 int
378 radeonfb_getcmap(struct radeonfb_softc *sc, struct wsdisplay_cmap *cm)
379 {
380 	u_int index = cm->index;
381 	u_int count = cm->count;
382 	int error;
383 
384 	if (index >= 256 || count > 256 - index)
385 		return (EINVAL);
386 
387 	error = copyout(&sc->sc_cmap_red[index], cm->red, count);
388 	if (error)
389 		return (error);
390 	error = copyout(&sc->sc_cmap_green[index], cm->green, count);
391 	if (error)
392 		return (error);
393 	error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
394 	if (error)
395 		return (error);
396 	return (0);
397 }
398 
399 int
400 radeonfb_putcmap(struct radeonfb_softc *sc, struct wsdisplay_cmap *cm)
401 {
402 	u_int index = cm->index;
403 	u_int count = cm->count;
404 	u_int i;
405 	int error;
406 	u_char *r, *g, *b;
407 
408 	if (index >= 256 || count > 256 - index)
409 		return (EINVAL);
410 
411 	if ((error = copyin(cm->red, &sc->sc_cmap_red[index], count)) != 0)
412 		return (error);
413 	if ((error = copyin(cm->green, &sc->sc_cmap_green[index], count)) != 0)
414 		return (error);
415 	if ((error = copyin(cm->blue, &sc->sc_cmap_blue[index], count)) != 0)
416 		return (error);
417 
418 	r = &sc->sc_cmap_red[index];
419 	g = &sc->sc_cmap_green[index];
420 	b = &sc->sc_cmap_blue[index];
421 
422 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
423 	    RADEON_PALETTE_INDEX, index);
424 	for (i = 0; i < count; i++) {
425 		bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
426 		    RADEON_PALETTE_DATA, (*r << 16) | (*g << 8) | *b);
427 		r++, g++, b++;
428 	}
429 	return (0);
430 }
431 
432 void
433 radeonfb_setcolor(void *v, u_int index, u_int8_t r, u_int8_t g, u_int8_t b)
434 {
435 	struct radeonfb_softc *sc = v;
436 
437 	sc->sc_cmap_red[index] = r;
438 	sc->sc_cmap_green[index] = g;
439 	sc->sc_cmap_blue[index] = b;
440 
441 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
442 	    RADEON_PALETTE_INDEX, index);
443 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
444 	    RADEON_PALETTE_DATA, (r << 16) | (g << 8) | b);
445 }
446 
447 /*
448  * Accelerated routines.
449  */
450 
451 int
452 radeonfb_copycols(void *cookie, int row, int src, int dst, int num)
453 {
454 	struct rasops_info *ri = cookie;
455 	struct radeonfb_softc *sc = ri->ri_hw;
456 
457 	num *= ri->ri_font->fontwidth;
458 	src *= ri->ri_font->fontwidth;
459 	dst *= ri->ri_font->fontwidth;
460 	row *= ri->ri_font->fontheight;
461 
462 	radeonfb_copyrect(sc, ri->ri_xorigin + src, ri->ri_yorigin + row,
463 	    ri->ri_xorigin + dst, ri->ri_yorigin + row,
464 	    num, ri->ri_font->fontheight);
465 
466 	return 0;
467 }
468 
469 int
470 radeonfb_erasecols(void *cookie, int row, int col, int num, long attr)
471 {
472 	struct rasops_info *ri = cookie;
473 	struct radeonfb_softc *sc = ri->ri_hw;
474 	int bg, fg;
475 
476 	ri->ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL);
477 
478 	row *= ri->ri_font->fontheight;
479 	col *= ri->ri_font->fontwidth;
480 	num *= ri->ri_font->fontwidth;
481 
482 	radeonfb_fillrect(sc, ri->ri_xorigin + col, ri->ri_yorigin + row,
483 	    num, ri->ri_font->fontheight, ri->ri_devcmap[bg]);
484 
485 	return 0;
486 }
487 
488 int
489 radeonfb_copyrows(void *cookie, int src, int dst, int num)
490 {
491 	struct rasops_info *ri = cookie;
492 	struct radeonfb_softc *sc = ri->ri_hw;
493 
494 	num *= ri->ri_font->fontheight;
495 	src *= ri->ri_font->fontheight;
496 	dst *= ri->ri_font->fontheight;
497 
498 	radeonfb_copyrect(sc, ri->ri_xorigin, ri->ri_yorigin + src,
499 	    ri->ri_xorigin, ri->ri_yorigin + dst, ri->ri_emuwidth, num);
500 
501 	return 0;
502 }
503 
504 int
505 radeonfb_eraserows(void *cookie, int row, int num, long attr)
506 {
507 	struct rasops_info *ri = cookie;
508 	struct radeonfb_softc *sc = ri->ri_hw;
509 	int bg, fg;
510 	int x, y, w;
511 
512 	ri->ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL);
513 
514 	if ((num == ri->ri_rows) && ISSET(ri->ri_flg, RI_FULLCLEAR)) {
515 		num = ri->ri_height;
516 		x = y = 0;
517 		w = ri->ri_width;
518 	} else {
519 		num *= ri->ri_font->fontheight;
520 		x = ri->ri_xorigin;
521 		y = ri->ri_yorigin + row * ri->ri_font->fontheight;
522 		w = ri->ri_emuwidth;
523 	}
524 	radeonfb_fillrect(sc, x, y, w, num, ri->ri_devcmap[bg]);
525 
526 	return 0;
527 }
528 
529 void
530 radeonfb_init(struct radeonfb_softc *sc)
531 {
532 	radeonfb_wait_fifo(sc, 2);
533 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
534 	    RADEON_DEFAULT_PITCH_OFFSET,
535 	    ((sc->sc_sunfb.sf_linebytes >> 6) << 22) | (sc->sc_memoff >> 10));
536 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
537 	    RADEON_DEFAULT_SC_BOTTOM_RIGHT, 0x1fff1fff);
538 }
539 
540 void
541 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
542 {
543 	int i;
544 
545 	for (i = 1000000; i != 0; i--) {
546 		if ((bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh,
547 		    RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK) >= n)
548 			break;
549 		DELAY(1);
550 	}
551 }
552 
553 void
554 radeonfb_wait(struct radeonfb_softc *sc)
555 {
556 	int i;
557 
558 	radeonfb_wait_fifo(sc, 64);
559 
560 	for (i = 1000000; i != 0; i--) {
561 		if ((bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh,
562 		    RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE) == 0)
563 			break;
564 		DELAY(1);
565 	}
566 
567 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
568 	    RADEON_RB3D_DSTCACHE_CTLSTAT, RADEON_RB3D_DC_FLUSH_ALL);
569 
570 	for (i = 1000000; i != 0; i--) {
571 		if ((bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh,
572 		    RADEON_RB3D_DSTCACHE_CTLSTAT) & RADEON_RB3D_DC_BUSY) == 0)
573 			break;
574 		DELAY(1);
575 	}
576 }
577 
578 void
579 radeonfb_copyrect(struct radeonfb_softc *sc, int sx, int sy, int dx, int dy,
580     int w, int h)
581 {
582 	uint32_t gmc;
583 	uint32_t dir;
584 
585 	radeonfb_wait_fifo(sc, 1);
586 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_WAIT_UNTIL,
587 	    RADEON_WAIT_HOST_IDLECLEAN | RADEON_WAIT_2D_IDLECLEAN);
588 
589 	if (dy < sy) {
590 		dir = RADEON_DST_Y_TOP_TO_BOTTOM;
591 	} else {
592 		sy += h - 1;
593 		dy += h - 1;
594 		dir = 0;
595 	}
596 	if (dx < sx) {
597 		dir |= RADEON_DST_X_LEFT_TO_RIGHT;
598 	} else {
599 		sx += w - 1;
600 		dx += w - 1;
601 	}
602 
603 	radeonfb_wait_fifo(sc, 6);
604 
605 	if (sc->sc_sunfb.sf_depth == 32)
606 		gmc = RADEON_GMC_DST_32BPP;
607 	else
608 		gmc = RADEON_GMC_DST_8BPP;
609 	gmc |= RADEON_GMC_BRUSH_NONE;
610 	gmc |= RADEON_GMC_SRC_DATATYPE_COLOR;
611 	gmc |= RADEON_GMC_SRC_SOURCE_MEMORY;
612 	gmc |= RADEON_ROP3_S;
613 	gmc |= RADEON_GMC_CLR_CMP_CNTL_DIS;
614 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
615 	    RADEON_DP_GUI_MASTER_CNTL, gmc);
616 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
617 	    RADEON_DP_WRITE_MASK, 0xffffffff);
618 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
619 	    RADEON_DP_CNTL, dir);
620 
621 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
622 	    RADEON_SRC_Y_X, RADEON_COORDS(sx, sy));
623 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
624 	    RADEON_DST_Y_X, RADEON_COORDS(dx, dy));
625 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
626 	    RADEON_DST_HEIGHT_WIDTH, RADEON_COORDS(w, h));
627 
628 	radeonfb_wait(sc);
629 }
630 
631 void
632 radeonfb_fillrect(struct radeonfb_softc *sc, int x, int y, int w, int h,
633     int color)
634 {
635 	uint32_t gmc;
636 
637 	radeonfb_wait_fifo(sc, 1);
638 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_WAIT_UNTIL,
639 	    RADEON_WAIT_HOST_IDLECLEAN | RADEON_WAIT_2D_IDLECLEAN);
640 
641 	radeonfb_wait_fifo(sc, 6);
642 
643 	if (sc->sc_sunfb.sf_depth == 32)
644 		gmc = RADEON_GMC_DST_32BPP;
645 	else
646 		gmc = RADEON_GMC_DST_8BPP;
647 	gmc |= RADEON_GMC_BRUSH_SOLID_COLOR;
648 	gmc |= RADEON_GMC_SRC_DATATYPE_COLOR;
649 	gmc |= RADEON_ROP3_P;
650 	gmc |= RADEON_GMC_CLR_CMP_CNTL_DIS;
651 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
652 	    RADEON_DP_GUI_MASTER_CNTL, gmc);
653 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
654 	    RADEON_DP_BRUSH_FRGD_CLR, color);
655 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
656 	    RADEON_DP_WRITE_MASK, 0xffffffff);
657 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_DP_CNTL,
658 	    RADEON_DST_Y_TOP_TO_BOTTOM | RADEON_DST_X_LEFT_TO_RIGHT);
659 
660 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
661 	    RADEON_DST_Y_X, RADEON_COORDS(x, y));
662 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
663 	    RADEON_DST_HEIGHT_WIDTH, RADEON_COORDS(w, h));
664 
665         radeonfb_wait(sc);
666 }
667