xref: /openbsd/sys/arch/sparc64/dev/radeonfb.c (revision 63294167)
1 /*	$OpenBSD: radeonfb.c,v 1.8 2022/07/15 17:57:26 kettenis 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 const 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, uint32_t);
146 int	radeonfb_copyrows(void *, int, int, int);
147 int	radeonfb_eraserows(void *, int, int, uint32_t);
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
radeonfb_match(struct device * parent,void * cf,void * aux)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
radeonfb_attach(struct device * parent,struct device * self,void * aux)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
radeonfb_ioctl(void * v,u_long cmd,caddr_t data,int flags,struct proc * p)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 		wdf->stride = sc->sc_sunfb.sf_linebytes;
272 		wdf->offset = 0;
273 		if (sc->sc_sunfb.sf_depth == 32)
274 			wdf->cmsize = 0;
275 		else
276 			wdf->cmsize = 256;
277 		break;
278 	case WSDISPLAYIO_GETSUPPORTEDDEPTH:
279 		if (sc->sc_sunfb.sf_depth == 32)
280 			*(u_int *)data = WSDISPLAYIO_DEPTH_24_32;
281 		else
282 			return (-1);
283 		break;
284 	case WSDISPLAYIO_LINEBYTES:
285 		*(u_int *)data = sc->sc_sunfb.sf_linebytes;
286 		break;
287 
288 	case WSDISPLAYIO_GETCMAP:
289 		return radeonfb_getcmap(sc, (struct wsdisplay_cmap *)data);
290 	case WSDISPLAYIO_PUTCMAP:
291 		return radeonfb_putcmap(sc, (struct wsdisplay_cmap *)data);
292 
293 	case WSDISPLAYIO_GPCIID:
294 		sel = (struct pcisel *)data;
295 		sel->pc_bus = PCITAG_BUS(sc->sc_pcitag);
296 		sel->pc_dev = PCITAG_DEV(sc->sc_pcitag);
297 		sel->pc_func = PCITAG_FUN(sc->sc_pcitag);
298 		break;
299 
300 	case WSDISPLAYIO_SVIDEO:
301 	case WSDISPLAYIO_GVIDEO:
302 		break;
303 
304 	case WSDISPLAYIO_GCURPOS:
305 	case WSDISPLAYIO_SCURPOS:
306 	case WSDISPLAYIO_GCURMAX:
307 	case WSDISPLAYIO_GCURSOR:
308 	case WSDISPLAYIO_SCURSOR:
309 	default:
310 		return -1; /* not supported yet */
311         }
312 
313 	return (0);
314 }
315 
316 paddr_t
radeonfb_mmap(void * v,off_t off,int prot)317 radeonfb_mmap(void *v, off_t off, int prot)
318 {
319 	struct radeonfb_softc *sc = v;
320 
321 	if (off & PGOFSET)
322 		return (-1);
323 
324 	switch (sc->sc_mode) {
325 	case WSDISPLAYIO_MODE_MAPPED:
326 #ifdef APERTURE
327 		if (allowaperture == 0)
328 			return (-1);
329 #endif
330 
331 		if (sc->sc_mmiosize == 0)
332 			return (-1);
333 
334 		if (off >= sc->sc_membase &&
335 		    off < (sc->sc_membase + sc->sc_memsize))
336 			return (bus_space_mmap(sc->sc_memt,
337 			    sc->sc_membase, off - sc->sc_membase,
338 			    prot, BUS_SPACE_MAP_LINEAR));
339 
340 		if (off >= sc->sc_mmiobase &&
341 		    off < (sc->sc_mmiobase + sc->sc_mmiosize))
342 			return (bus_space_mmap(sc->sc_mmiot,
343 			    sc->sc_mmiobase, off - sc->sc_mmiobase,
344 			    prot, BUS_SPACE_MAP_LINEAR));
345 		break;
346 
347 	case WSDISPLAYIO_MODE_DUMBFB:
348 		if ((sc->sc_memoff % PAGE_SIZE) != 0)
349 			return (-1);
350 
351 		if (off >= 0 && off < sc->sc_memsize / 2) {
352 			bus_addr_t base = sc->sc_membase + sc->sc_memoff;
353 
354 			/*
355 			 * In 32bpp mode, use the second aperture,
356 			 * which has been set up by the firmware to do
357 			 * proper byte swapping.
358 			 */
359 			if (sc->sc_sunfb.sf_depth == 32)
360 				base += sc->sc_memsize / 2;
361 
362 			return (bus_space_mmap(sc->sc_memt, base, off,
363 			    prot, BUS_SPACE_MAP_LINEAR));
364 		}
365 		break;
366 	}
367 
368 	return (-1);
369 }
370 
371 int
radeonfb_is_console(int node)372 radeonfb_is_console(int node)
373 {
374 	extern int fbnode;
375 
376 	return (fbnode == node);
377 }
378 
379 int
radeonfb_getcmap(struct radeonfb_softc * sc,struct wsdisplay_cmap * cm)380 radeonfb_getcmap(struct radeonfb_softc *sc, struct wsdisplay_cmap *cm)
381 {
382 	u_int index = cm->index;
383 	u_int count = cm->count;
384 	int error;
385 
386 	if (index >= 256 || count > 256 - index)
387 		return (EINVAL);
388 
389 	error = copyout(&sc->sc_cmap_red[index], cm->red, count);
390 	if (error)
391 		return (error);
392 	error = copyout(&sc->sc_cmap_green[index], cm->green, count);
393 	if (error)
394 		return (error);
395 	error = copyout(&sc->sc_cmap_blue[index], cm->blue, count);
396 	if (error)
397 		return (error);
398 	return (0);
399 }
400 
401 int
radeonfb_putcmap(struct radeonfb_softc * sc,struct wsdisplay_cmap * cm)402 radeonfb_putcmap(struct radeonfb_softc *sc, struct wsdisplay_cmap *cm)
403 {
404 	u_int index = cm->index;
405 	u_int count = cm->count;
406 	u_int i;
407 	int error;
408 	u_char *r, *g, *b;
409 
410 	if (index >= 256 || count > 256 - index)
411 		return (EINVAL);
412 
413 	if ((error = copyin(cm->red, &sc->sc_cmap_red[index], count)) != 0)
414 		return (error);
415 	if ((error = copyin(cm->green, &sc->sc_cmap_green[index], count)) != 0)
416 		return (error);
417 	if ((error = copyin(cm->blue, &sc->sc_cmap_blue[index], count)) != 0)
418 		return (error);
419 
420 	r = &sc->sc_cmap_red[index];
421 	g = &sc->sc_cmap_green[index];
422 	b = &sc->sc_cmap_blue[index];
423 
424 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
425 	    RADEON_PALETTE_INDEX, index);
426 	for (i = 0; i < count; i++) {
427 		bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
428 		    RADEON_PALETTE_DATA, (*r << 16) | (*g << 8) | *b);
429 		r++, g++, b++;
430 	}
431 	return (0);
432 }
433 
434 void
radeonfb_setcolor(void * v,u_int index,u_int8_t r,u_int8_t g,u_int8_t b)435 radeonfb_setcolor(void *v, u_int index, u_int8_t r, u_int8_t g, u_int8_t b)
436 {
437 	struct radeonfb_softc *sc = v;
438 
439 	sc->sc_cmap_red[index] = r;
440 	sc->sc_cmap_green[index] = g;
441 	sc->sc_cmap_blue[index] = b;
442 
443 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
444 	    RADEON_PALETTE_INDEX, index);
445 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
446 	    RADEON_PALETTE_DATA, (r << 16) | (g << 8) | b);
447 }
448 
449 /*
450  * Accelerated routines.
451  */
452 
453 int
radeonfb_copycols(void * cookie,int row,int src,int dst,int num)454 radeonfb_copycols(void *cookie, int row, int src, int dst, int num)
455 {
456 	struct rasops_info *ri = cookie;
457 	struct radeonfb_softc *sc = ri->ri_hw;
458 
459 	num *= ri->ri_font->fontwidth;
460 	src *= ri->ri_font->fontwidth;
461 	dst *= ri->ri_font->fontwidth;
462 	row *= ri->ri_font->fontheight;
463 
464 	radeonfb_copyrect(sc, ri->ri_xorigin + src, ri->ri_yorigin + row,
465 	    ri->ri_xorigin + dst, ri->ri_yorigin + row,
466 	    num, ri->ri_font->fontheight);
467 
468 	return 0;
469 }
470 
471 int
radeonfb_erasecols(void * cookie,int row,int col,int num,uint32_t attr)472 radeonfb_erasecols(void *cookie, int row, int col, int num, uint32_t attr)
473 {
474 	struct rasops_info *ri = cookie;
475 	struct radeonfb_softc *sc = ri->ri_hw;
476 	int bg, fg;
477 
478 	ri->ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL);
479 
480 	row *= ri->ri_font->fontheight;
481 	col *= ri->ri_font->fontwidth;
482 	num *= ri->ri_font->fontwidth;
483 
484 	radeonfb_fillrect(sc, ri->ri_xorigin + col, ri->ri_yorigin + row,
485 	    num, ri->ri_font->fontheight, ri->ri_devcmap[bg]);
486 
487 	return 0;
488 }
489 
490 int
radeonfb_copyrows(void * cookie,int src,int dst,int num)491 radeonfb_copyrows(void *cookie, int src, int dst, int num)
492 {
493 	struct rasops_info *ri = cookie;
494 	struct radeonfb_softc *sc = ri->ri_hw;
495 
496 	num *= ri->ri_font->fontheight;
497 	src *= ri->ri_font->fontheight;
498 	dst *= ri->ri_font->fontheight;
499 
500 	radeonfb_copyrect(sc, ri->ri_xorigin, ri->ri_yorigin + src,
501 	    ri->ri_xorigin, ri->ri_yorigin + dst, ri->ri_emuwidth, num);
502 
503 	return 0;
504 }
505 
506 int
radeonfb_eraserows(void * cookie,int row,int num,uint32_t attr)507 radeonfb_eraserows(void *cookie, int row, int num, uint32_t attr)
508 {
509 	struct rasops_info *ri = cookie;
510 	struct radeonfb_softc *sc = ri->ri_hw;
511 	int bg, fg;
512 	int x, y, w;
513 
514 	ri->ri_ops.unpack_attr(cookie, attr, &fg, &bg, NULL);
515 
516 	if ((num == ri->ri_rows) && ISSET(ri->ri_flg, RI_FULLCLEAR)) {
517 		num = ri->ri_height;
518 		x = y = 0;
519 		w = ri->ri_width;
520 	} else {
521 		num *= ri->ri_font->fontheight;
522 		x = ri->ri_xorigin;
523 		y = ri->ri_yorigin + row * ri->ri_font->fontheight;
524 		w = ri->ri_emuwidth;
525 	}
526 	radeonfb_fillrect(sc, x, y, w, num, ri->ri_devcmap[bg]);
527 
528 	return 0;
529 }
530 
531 void
radeonfb_init(struct radeonfb_softc * sc)532 radeonfb_init(struct radeonfb_softc *sc)
533 {
534 	radeonfb_wait_fifo(sc, 2);
535 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
536 	    RADEON_DEFAULT_PITCH_OFFSET,
537 	    ((sc->sc_sunfb.sf_linebytes >> 6) << 22) | (sc->sc_memoff >> 10));
538 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
539 	    RADEON_DEFAULT_SC_BOTTOM_RIGHT, 0x1fff1fff);
540 }
541 
542 void
radeonfb_wait_fifo(struct radeonfb_softc * sc,int n)543 radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
544 {
545 	int i;
546 
547 	for (i = 1000000; i != 0; i--) {
548 		if ((bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh,
549 		    RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK) >= n)
550 			break;
551 		DELAY(1);
552 	}
553 }
554 
555 void
radeonfb_wait(struct radeonfb_softc * sc)556 radeonfb_wait(struct radeonfb_softc *sc)
557 {
558 	int i;
559 
560 	radeonfb_wait_fifo(sc, 64);
561 
562 	for (i = 1000000; i != 0; i--) {
563 		if ((bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh,
564 		    RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE) == 0)
565 			break;
566 		DELAY(1);
567 	}
568 
569 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
570 	    RADEON_RB3D_DSTCACHE_CTLSTAT, RADEON_RB3D_DC_FLUSH_ALL);
571 
572 	for (i = 1000000; i != 0; i--) {
573 		if ((bus_space_read_4(sc->sc_mmiot, sc->sc_mmioh,
574 		    RADEON_RB3D_DSTCACHE_CTLSTAT) & RADEON_RB3D_DC_BUSY) == 0)
575 			break;
576 		DELAY(1);
577 	}
578 }
579 
580 void
radeonfb_copyrect(struct radeonfb_softc * sc,int sx,int sy,int dx,int dy,int w,int h)581 radeonfb_copyrect(struct radeonfb_softc *sc, int sx, int sy, int dx, int dy,
582     int w, int h)
583 {
584 	uint32_t gmc;
585 	uint32_t dir;
586 
587 	radeonfb_wait_fifo(sc, 1);
588 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_WAIT_UNTIL,
589 	    RADEON_WAIT_HOST_IDLECLEAN | RADEON_WAIT_2D_IDLECLEAN);
590 
591 	if (dy < sy) {
592 		dir = RADEON_DST_Y_TOP_TO_BOTTOM;
593 	} else {
594 		sy += h - 1;
595 		dy += h - 1;
596 		dir = 0;
597 	}
598 	if (dx < sx) {
599 		dir |= RADEON_DST_X_LEFT_TO_RIGHT;
600 	} else {
601 		sx += w - 1;
602 		dx += w - 1;
603 	}
604 
605 	radeonfb_wait_fifo(sc, 6);
606 
607 	if (sc->sc_sunfb.sf_depth == 32)
608 		gmc = RADEON_GMC_DST_32BPP;
609 	else
610 		gmc = RADEON_GMC_DST_8BPP;
611 	gmc |= RADEON_GMC_BRUSH_NONE;
612 	gmc |= RADEON_GMC_SRC_DATATYPE_COLOR;
613 	gmc |= RADEON_GMC_SRC_SOURCE_MEMORY;
614 	gmc |= RADEON_ROP3_S;
615 	gmc |= RADEON_GMC_CLR_CMP_CNTL_DIS;
616 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
617 	    RADEON_DP_GUI_MASTER_CNTL, gmc);
618 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
619 	    RADEON_DP_WRITE_MASK, 0xffffffff);
620 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
621 	    RADEON_DP_CNTL, dir);
622 
623 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
624 	    RADEON_SRC_Y_X, RADEON_COORDS(sx, sy));
625 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
626 	    RADEON_DST_Y_X, RADEON_COORDS(dx, dy));
627 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
628 	    RADEON_DST_HEIGHT_WIDTH, RADEON_COORDS(w, h));
629 
630 	radeonfb_wait(sc);
631 }
632 
633 void
radeonfb_fillrect(struct radeonfb_softc * sc,int x,int y,int w,int h,int color)634 radeonfb_fillrect(struct radeonfb_softc *sc, int x, int y, int w, int h,
635     int color)
636 {
637 	uint32_t gmc;
638 
639 	radeonfb_wait_fifo(sc, 1);
640 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_WAIT_UNTIL,
641 	    RADEON_WAIT_HOST_IDLECLEAN | RADEON_WAIT_2D_IDLECLEAN);
642 
643 	radeonfb_wait_fifo(sc, 6);
644 
645 	if (sc->sc_sunfb.sf_depth == 32)
646 		gmc = RADEON_GMC_DST_32BPP;
647 	else
648 		gmc = RADEON_GMC_DST_8BPP;
649 	gmc |= RADEON_GMC_BRUSH_SOLID_COLOR;
650 	gmc |= RADEON_GMC_SRC_DATATYPE_COLOR;
651 	gmc |= RADEON_ROP3_P;
652 	gmc |= RADEON_GMC_CLR_CMP_CNTL_DIS;
653 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
654 	    RADEON_DP_GUI_MASTER_CNTL, gmc);
655 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
656 	    RADEON_DP_BRUSH_FRGD_CLR, color);
657 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
658 	    RADEON_DP_WRITE_MASK, 0xffffffff);
659 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh, RADEON_DP_CNTL,
660 	    RADEON_DST_Y_TOP_TO_BOTTOM | RADEON_DST_X_LEFT_TO_RIGHT);
661 
662 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
663 	    RADEON_DST_Y_X, RADEON_COORDS(x, y));
664 	bus_space_write_4(sc->sc_mmiot, sc->sc_mmioh,
665 	    RADEON_DST_HEIGHT_WIDTH, RADEON_COORDS(w, h));
666 
667         radeonfb_wait(sc);
668 }
669