wcfb.c revision 1.6.2.2 1 /* $NetBSD: wcfb.c,v 1.6.2.2 2010/03/11 15:03:59 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 2010 Michael Lorenz
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: wcfb.c,v 1.6.2.2 2010/03/11 15:03:59 yamt Exp $");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/device.h>
36 #include <sys/proc.h>
37 #include <sys/mutex.h>
38 #include <sys/ioctl.h>
39 #include <sys/kernel.h>
40 #include <sys/systm.h>
41 #include <sys/kauth.h>
42 #include <sys/kmem.h>
43
44 #include <dev/pci/pcidevs.h>
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pciio.h>
48 #include <dev/pci/wcfbreg.h>
49
50 #include <dev/wscons/wsdisplayvar.h>
51 #include <dev/wscons/wsconsio.h>
52 #include <dev/wsfont/wsfont.h>
53 #include <dev/rasops/rasops.h>
54 #include <dev/wscons/wsdisplay_vconsvar.h>
55
56 #include "opt_wsfb.h"
57 #include "opt_wsdisplay_compat.h"
58
59 #ifdef WCFB_DEBUG
60 # define DPRINTF printf
61 #else
62 # define DPRINTF while (0) printf
63 #endif
64
65 static int wcfb_match(device_t, cfdata_t, void *);
66 static void wcfb_attach(device_t, device_t, void *);
67 static int wcfb_ioctl(void *, void *, u_long, void *, int,
68 struct lwp *);
69 static paddr_t wcfb_mmap(void *, void *, off_t, int);
70
71 struct wcfb_softc {
72 device_t sc_dev;
73
74 pci_chipset_tag_t sc_pc;
75 pcitag_t sc_pcitag;
76
77 bus_space_tag_t sc_memt;
78 bus_space_tag_t sc_regt, sc_wtft;
79 bus_space_tag_t sc_iot;
80
81 bus_space_handle_t sc_fbh, sc_wtfh;
82 bus_space_handle_t sc_regh;
83 bus_addr_t sc_fb, sc_reg, sc_wtf;
84 bus_size_t sc_fbsize, sc_regsize, sc_wtfsize;
85
86 int sc_width, sc_height, sc_stride;
87 int sc_locked;
88 uint8_t *sc_fbaddr, *sc_fb0, *sc_fb1, *sc_shadow;
89 struct vcons_screen sc_console_screen;
90 struct wsscreen_descr sc_defaultscreen_descr;
91 const struct wsscreen_descr *sc_screens[1];
92 struct wsscreen_list sc_screenlist;
93 struct vcons_data vd;
94 int sc_mode;
95 u_char sc_cmap_red[256];
96 u_char sc_cmap_green[256];
97 u_char sc_cmap_blue[256];
98 uint32_t sc_fb0off, sc_fb1off;
99
100 void (*copycols)(void *, int, int, int, int);
101 void (*erasecols)(void *, int, int, int, long);
102 void (*copyrows)(void *, int, int, int);
103 void (*eraserows)(void *, int, int, long);
104 void (*putchar)(void *, int, int, u_int, long);
105 void (*cursor)(void *, int, int, int);
106
107 };
108
109 static void wcfb_init_screen(void *, struct vcons_screen *, int, long *);
110
111 CFATTACH_DECL_NEW(wcfb, sizeof(struct wcfb_softc),
112 wcfb_match, wcfb_attach, NULL, NULL);
113
114 struct wsdisplay_accessops wcfb_accessops = {
115 wcfb_ioctl,
116 wcfb_mmap,
117 NULL, /* alloc_screen */
118 NULL, /* free_screen */
119 NULL, /* show_screen */
120 NULL, /* load_font */
121 NULL, /* pollc */
122 NULL /* scroll */
123 };
124
125 static void wcfb_putchar(void *, int, int, u_int, long);
126 static void wcfb_cursor(void *, int, int, int);
127 static void wcfb_copycols(void *, int, int, int, int);
128 static void wcfb_erasecols(void *, int, int, int, long);
129 static void wcfb_copyrows(void *, int, int, int);
130 static void wcfb_eraserows(void *, int, int, long);
131
132 static void wcfb_putpalreg(struct wcfb_softc *, int, int, int, int);
133
134 static int
135 wcfb_match(device_t parent, cfdata_t match, void *aux)
136 {
137 struct pci_attach_args *pa = aux;
138
139 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_3DLABS &&
140 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_WILDCAT5110)
141 return 100;
142
143 return 0;
144 }
145
146 static void
147 wcfb_attach(device_t parent, device_t self, void *aux)
148 {
149 struct wcfb_softc *sc = device_private(self);
150 struct pci_attach_args *pa = aux;
151 struct rasops_info *ri;
152 prop_dictionary_t dict;
153 struct wsemuldisplaydev_attach_args aa;
154 int i, j;
155 uint32_t reg;
156 unsigned long defattr;
157 bool is_console = 0;
158 char devinfo[256];
159 void *wtf;
160
161 sc->sc_dev = self;
162 sc->putchar = NULL;
163 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
164 aprint_naive("\n");
165 aprint_normal(": %s\n", devinfo);
166
167 dict = device_properties(self);
168 prop_dictionary_get_bool(dict, "is_console", &is_console);
169 #ifndef WCFB_DEBUG
170 if (!is_console) return;
171 #endif
172 sc->sc_memt = pa->pa_memt;
173 sc->sc_iot = pa->pa_iot;
174 sc->sc_pc = pa->pa_pc;
175 sc->sc_pcitag = pa->pa_tag;
176
177 if (pci_mapreg_map(pa, 0x14, PCI_MAPREG_TYPE_MEM, 0,
178 &sc->sc_regt, &sc->sc_regh, &sc->sc_reg, &sc->sc_regsize)) {
179 aprint_error("%s: failed to map registers.\n",
180 device_xname(sc->sc_dev));
181 }
182
183 if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM, BUS_SPACE_MAP_LINEAR,
184 &sc->sc_memt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
185 aprint_error("%s: failed to map framebuffer.\n",
186 device_xname(sc->sc_dev));
187 }
188
189 if (pci_mapreg_map(pa, 0x18, PCI_MAPREG_TYPE_MEM, BUS_SPACE_MAP_LINEAR,
190 &sc->sc_wtft, &sc->sc_wtfh, &sc->sc_wtf, &sc->sc_wtfsize)) {
191 aprint_error("%s: failed to map wtf.\n",
192 device_xname(sc->sc_dev));
193 }
194 wtf = bus_space_vaddr(sc->sc_wtft, sc->sc_wtfh);
195 memset(wtf, 0, 0x100000);
196
197 sc->sc_fbaddr = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
198
199 sc->sc_fb0off =
200 bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_FB8_ADDR0) - sc->sc_fb;
201 sc->sc_fb0 = sc->sc_fbaddr + sc->sc_fb0off;
202 sc->sc_fb1off =
203 bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_FB8_ADDR1) - sc->sc_fb;
204 sc->sc_fb1 = sc->sc_fbaddr + sc->sc_fb1off;
205
206 reg = bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_RESOLUTION);
207 sc->sc_height = (reg >> 16) + 1;
208 sc->sc_width = (reg & 0xffff) + 1;
209 sc->sc_stride = 1 <<
210 ((bus_space_read_4(sc->sc_regt, sc->sc_regh, WC_CONFIG) &
211 0x00ff0000) >> 16);
212 printf("%s: %d x %d, %d\n", device_xname(sc->sc_dev),
213 sc->sc_width, sc->sc_height, sc->sc_stride);
214
215 sc->sc_shadow = kmem_alloc(sc->sc_stride * sc->sc_height, KM_SLEEP);
216 if (sc->sc_shadow == NULL) {
217 printf("%s: failed to allocate shadow buffer\n",
218 device_xname(self));
219 return;
220 }
221
222 for (i = 0x40; i < 0x100; i += 16) {
223 printf("%04x:", i);
224 for (j = 0; j < 16; j += 4) {
225 printf(" %08x", bus_space_read_4(sc->sc_regt,
226 sc->sc_regh, 0x8000 + i + j));
227 }
228 printf("\n");
229 }
230
231 /* make sure video output is on */
232 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_DPMS_STATE, WC_DPMS_ON);
233
234 sc->sc_defaultscreen_descr = (struct wsscreen_descr){
235 "default",
236 0, 0,
237 NULL,
238 8, 16,
239 WSSCREEN_WSCOLORS | WSSCREEN_HILIT,
240 NULL
241 };
242 sc->sc_screens[0] = &sc->sc_defaultscreen_descr;
243 sc->sc_screenlist = (struct wsscreen_list){1, sc->sc_screens};
244 sc->sc_mode = WSDISPLAYIO_MODE_EMUL;
245 sc->sc_locked = 0;
246
247 vcons_init(&sc->vd, sc, &sc->sc_defaultscreen_descr,
248 &wcfb_accessops);
249 sc->vd.init_screen = wcfb_init_screen;
250
251 /* init engine here */
252 #if 0
253 wcfb_init(sc);
254 #endif
255
256 ri = &sc->sc_console_screen.scr_ri;
257
258 j = 0;
259 for (i = 0; i < 256; i++) {
260
261 sc->sc_cmap_red[i] = rasops_cmap[j];
262 sc->sc_cmap_green[i] = rasops_cmap[j + 1];
263 sc->sc_cmap_blue[i] = rasops_cmap[j + 2];
264 wcfb_putpalreg(sc, i, rasops_cmap[j], rasops_cmap[j + 1],
265 rasops_cmap[j + 2]);
266 j += 3;
267 }
268
269 if (is_console) {
270 vcons_init_screen(&sc->vd, &sc->sc_console_screen, 1,
271 &defattr);
272 sc->sc_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC;
273
274 memset(sc->sc_fb0, ri->ri_devcmap[(defattr >> 16) & 0xff],
275 sc->sc_stride * sc->sc_height);
276 memset(sc->sc_fb1, ri->ri_devcmap[(defattr >> 16) & 0xff],
277 sc->sc_stride * sc->sc_height);
278 sc->sc_defaultscreen_descr.textops = &ri->ri_ops;
279 sc->sc_defaultscreen_descr.capabilities = ri->ri_caps;
280 sc->sc_defaultscreen_descr.nrows = ri->ri_rows;
281 sc->sc_defaultscreen_descr.ncols = ri->ri_cols;
282 wsdisplay_cnattach(&sc->sc_defaultscreen_descr, ri, 0, 0,
283 defattr);
284 vcons_replay_msgbuf(&sc->sc_console_screen);
285 } else {
286 /*
287 * since we're not the console we can postpone the rest
288 * until someone actually allocates a screen for us
289 */
290 memset(sc->sc_fb0, WS_DEFAULT_BG,
291 sc->sc_stride * sc->sc_height);
292 memset(sc->sc_fb1, WS_DEFAULT_BG,
293 sc->sc_stride * sc->sc_height);
294 return;
295 }
296
297 aa.console = is_console;
298 aa.scrdata = &sc->sc_screenlist;
299 aa.accessops = &wcfb_accessops;
300 aa.accesscookie = &sc->vd;
301
302 config_found(sc->sc_dev, &aa, wsemuldisplaydevprint);
303 }
304
305 static int
306 wcfb_ioctl(void *v, void *vs, u_long cmd, void *data, int flag,
307 struct lwp *l)
308 {
309 struct wcfb_softc *sc = v;
310
311 switch (cmd) {
312 case WSDISPLAYIO_GTYPE:
313 *(u_int *)data = WSDISPLAY_TYPE_PCIMISC;
314 return 0;
315
316 /* PCI config read/write passthrough. */
317 case PCI_IOC_CFGREAD:
318 case PCI_IOC_CFGWRITE:
319 return (pci_devioctl(sc->sc_pc, sc->sc_pcitag,
320 cmd, data, flag, l));
321 case WSDISPLAYIO_SMODE:
322 {
323 /*int new_mode = *(int*)data, i;*/
324 }
325 return 0;
326 }
327
328 return EPASSTHROUGH;
329 }
330
331 static paddr_t
332 wcfb_mmap(void *v, void *vs, off_t offset, int prot)
333 {
334 struct wcfb_softc *sc = v;
335
336 /* no point in allowing a wsfb map if we can't provide one */
337 /*
338 * restrict all other mappings to processes with superuser privileges
339 * or the kernel itself
340 */
341 if (kauth_authorize_generic(kauth_cred_get(), KAUTH_GENERIC_ISSUSER,
342 NULL) != 0) {
343 aprint_normal_dev(sc->sc_dev, "mmap() rejected.\n");
344 return -1;
345 }
346
347 #ifdef WSFB_FAKE_VGA_FB
348 if ((offset >= 0xa0000) && (offset < 0xbffff)) {
349
350 return bus_space_mmap(sc->sc_memt, sc->sc_gen.sc_fboffset,
351 offset - 0xa0000, prot, BUS_SPACE_MAP_LINEAR);
352 }
353 #endif
354
355 return -1;
356 }
357
358 static void
359 wcfb_init_screen(void *cookie, struct vcons_screen *scr,
360 int existing, long *defattr)
361 {
362 struct wcfb_softc *sc = cookie;
363 struct rasops_info *ri = &scr->scr_ri;
364
365 ri->ri_depth = 8;
366 ri->ri_width = sc->sc_width;
367 ri->ri_height = sc->sc_height;
368 ri->ri_stride = sc->sc_stride;
369 ri->ri_flg = RI_CENTER /*| RI_FULLCLEAR*/;
370
371 ri->ri_bits = sc->sc_shadow;
372
373 if (existing) {
374 ri->ri_flg |= RI_CLEAR;
375 }
376
377 rasops_init(ri, sc->sc_height / 8, sc->sc_width / 8);
378 ri->ri_caps = WSSCREEN_WSCOLORS;
379
380 rasops_reconfig(ri, sc->sc_height / ri->ri_font->fontheight,
381 sc->sc_width / ri->ri_font->fontwidth);
382
383 ri->ri_hw = scr;
384 sc->putchar = ri->ri_ops.putchar;
385 sc->copyrows = ri->ri_ops.copyrows;
386 sc->eraserows = ri->ri_ops.eraserows;
387 sc->copycols = ri->ri_ops.copycols;
388 sc->erasecols = ri->ri_ops.erasecols;
389
390 ri->ri_ops.copyrows = wcfb_copyrows;
391 ri->ri_ops.copycols = wcfb_copycols;
392 ri->ri_ops.eraserows = wcfb_eraserows;
393 ri->ri_ops.erasecols = wcfb_erasecols;
394 ri->ri_ops.putchar = wcfb_putchar;
395 ri->ri_ops.cursor = wcfb_cursor;
396 }
397
398 static void
399 wcfb_putchar(void *cookie, int row, int col, u_int c, long attr)
400 {
401 struct rasops_info *ri = cookie;
402 struct vcons_screen *scr = ri->ri_hw;
403 struct wcfb_softc *sc = scr->scr_cookie;
404 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
405 sc->sc_stride + ri->ri_xorigin + col * ri->ri_font->fontwidth;
406 uint8_t *from, *to0, *to1;
407 int i;
408
409 sc->putchar(ri, row, col, c, attr);
410 from = sc->sc_shadow + offset;
411 to0 = sc->sc_fb0 + offset;
412 to1 = sc->sc_fb1 + offset;
413 for (i = 0; i < ri->ri_font->fontheight; i++) {
414 memcpy(to0, from, ri->ri_font->fontwidth);
415 memcpy(to1, from, ri->ri_font->fontwidth);
416 to0 += sc->sc_stride;
417 to1 += sc->sc_stride;
418 from += sc->sc_stride;
419 }
420 }
421
422 static void
423 wcfb_putpalreg(struct wcfb_softc *sc, int i, int r, int g, int b)
424 {
425 uint32_t rgb;
426
427 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_INDEX, i);
428 rgb = (b << 22) | (g << 12) | (r << 2);
429 bus_space_write_4(sc->sc_regt, sc->sc_regh, WC_CMAP_DATA, rgb);
430 }
431
432 static void
433 wcfb_cursor(void *cookie, int on, int row, int col)
434 {
435 struct rasops_info *ri = cookie;
436 struct vcons_screen *scr = ri->ri_hw;
437 struct wcfb_softc *sc = scr->scr_cookie;
438 int coffset;
439
440 if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
441
442 if (ri->ri_flg & RI_CURSOR) {
443 /* remove cursor */
444 coffset = ri->ri_ccol + (ri->ri_crow * ri->ri_cols);
445 #ifdef WSDISPLAY_SCROLLSUPPORT
446 coffset += scr->scr_offset_to_zero;
447 #endif
448 wcfb_putchar(cookie, ri->ri_crow,
449 ri->ri_ccol, scr->scr_chars[coffset],
450 scr->scr_attrs[coffset]);
451 ri->ri_flg &= ~RI_CURSOR;
452 }
453 ri->ri_crow = row;
454 ri->ri_ccol = col;
455 if (on) {
456 long attr, revattr;
457 coffset = col + (row * ri->ri_cols);
458 #ifdef WSDISPLAY_SCROLLSUPPORT
459 coffset += scr->scr_offset_to_zero;
460 #endif
461 attr = scr->scr_attrs[coffset];
462 revattr = attr ^ 0xffff0000;
463
464 wcfb_putchar(cookie, ri->ri_crow, ri->ri_ccol,
465 scr->scr_chars[coffset], revattr);
466 ri->ri_flg |= RI_CURSOR;
467 }
468 } else {
469 ri->ri_crow = row;
470 ri->ri_ccol = col;
471 ri->ri_flg &= ~RI_CURSOR;
472 }
473 }
474
475 static void
476 wcfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
477 {
478 struct rasops_info *ri = cookie;
479 struct vcons_screen *scr = ri->ri_hw;
480 struct wcfb_softc *sc = scr->scr_cookie;
481 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
482 sc->sc_stride + ri->ri_xorigin + dstcol * ri->ri_font->fontwidth;
483 uint8_t *from, *to0, *to1;
484 int i;
485
486 sc->copycols(ri, row, srccol, dstcol, ncols);
487 from = sc->sc_shadow + offset;
488 to0 = sc->sc_fb0 + offset;
489 to1 = sc->sc_fb1 + offset;
490 for (i = 0; i < ri->ri_font->fontheight; i++) {
491 memcpy(to0, from, ri->ri_font->fontwidth * ncols);
492 memcpy(to1, from, ri->ri_font->fontwidth * ncols);
493 to0 += sc->sc_stride;
494 to1 += sc->sc_stride;
495 from += sc->sc_stride;
496 }
497 }
498
499 static void
500 wcfb_erasecols(void *cookie, int row, int startcol, int ncols, long fillattr)
501 {
502 struct rasops_info *ri = cookie;
503 struct vcons_screen *scr = ri->ri_hw;
504 struct wcfb_softc *sc = scr->scr_cookie;
505 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
506 sc->sc_stride + ri->ri_xorigin + startcol * ri->ri_font->fontwidth;
507 uint8_t *to0, *to1;
508 int i;
509
510 sc->erasecols(ri, row, startcol, ncols, fillattr);
511
512 to0 = sc->sc_fb0 + offset;
513 to1 = sc->sc_fb1 + offset;
514 for (i = 0; i < ri->ri_font->fontheight; i++) {
515 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff],
516 ri->ri_font->fontwidth * ncols);
517 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff],
518 ri->ri_font->fontwidth * ncols);
519 to0 += sc->sc_stride;
520 to1 += sc->sc_stride;
521 }
522 }
523
524 static void
525 wcfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
526 {
527 struct rasops_info *ri = cookie;
528 struct vcons_screen *scr = ri->ri_hw;
529 struct wcfb_softc *sc = scr->scr_cookie;
530 int offset = (ri->ri_yorigin + dstrow * ri->ri_font->fontheight) *
531 sc->sc_stride + ri->ri_xorigin;
532 uint8_t *from, *to0, *to1;
533 int i;
534
535 sc->copyrows(ri, srcrow, dstrow, nrows);
536
537 from = sc->sc_shadow + offset;
538 to0 = sc->sc_fb0 + offset;
539 to1 = sc->sc_fb1 + offset;
540 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) {
541 memcpy(to0, from, ri->ri_emuwidth);
542 memcpy(to1, from, ri->ri_emuwidth);
543 to0 += sc->sc_stride;
544 to1 += sc->sc_stride;
545 from += sc->sc_stride;
546 }
547 }
548
549 static void
550 wcfb_eraserows(void *cookie, int row, int nrows, long fillattr)
551 {
552 struct rasops_info *ri = cookie;
553 struct vcons_screen *scr = ri->ri_hw;
554 struct wcfb_softc *sc = scr->scr_cookie;
555 int offset = (ri->ri_yorigin + row * ri->ri_font->fontheight) *
556 sc->sc_stride + ri->ri_xorigin;
557 uint8_t *to0, *to1;
558 int i;
559
560 sc->eraserows(ri, row, nrows, fillattr);
561
562 to0 = sc->sc_fb0 + offset;
563 to1 = sc->sc_fb1 + offset;
564 for (i = 0; i < ri->ri_font->fontheight * nrows; i++) {
565 memset(to0, ri->ri_devcmap[(fillattr >> 16) & 0xff],
566 ri->ri_emuwidth);
567 memset(to1, ri->ri_devcmap[(fillattr >> 16) & 0xff],
568 ri->ri_emuwidth);
569 to0 += sc->sc_stride;
570 to1 += sc->sc_stride;
571 }
572 }
573