grf_nubus.c revision 1.44 1 /* $NetBSD: grf_nubus.c,v 1.44 1998/05/07 23:42:59 briggs Exp $ */
2
3 /*
4 * Copyright (c) 1995 Allen Briggs. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Allen Briggs.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 /*
32 * Device-specific routines for handling Nubus-based video cards.
33 */
34
35 #include <sys/param.h>
36
37 #include <sys/device.h>
38 #include <sys/ioctl.h>
39 #include <sys/file.h>
40 #include <sys/malloc.h>
41 #include <sys/mman.h>
42 #include <sys/proc.h>
43 #include <sys/systm.h>
44
45 #include <machine/bus.h>
46 #include <machine/cpu.h>
47 #include <machine/grfioctl.h>
48 #include <machine/viareg.h>
49
50 #include <mac68k/nubus/nubus.h>
51 #include <mac68k/dev/grfvar.h>
52
53 static void load_image_data __P((caddr_t data, struct image_data *image));
54
55 static void grfmv_intr_generic_write1 __P((void *vsc));
56 static void grfmv_intr_generic_write4 __P((void *vsc));
57 static void grfmv_intr_generic_or4 __P((void *vsc));
58
59 static void grfmv_intr_cb264 __P((void *vsc));
60 static void grfmv_intr_cb364 __P((void *vsc));
61 static void grfmv_intr_cmax __P((void *vsc));
62 static void grfmv_intr_cti __P((void *vsc));
63 static void grfmv_intr_radius __P((void *vsc));
64 static void grfmv_intr_radius24 __P((void *vsc));
65 static void grfmv_intr_supermacgfx __P((void *vsc));
66 static void grfmv_intr_lapis __P((void *vsc));
67 static void grfmv_intr_formac __P((void *vsc));
68 static void grfmv_intr_vimage __P((void *vsc));
69
70 static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg));
71 static caddr_t grfmv_phys __P((struct grf_softc *gp));
72 static int grfmv_match __P((struct device *, struct cfdata *, void *));
73 static void grfmv_attach __P((struct device *, struct device *, void *));
74
75 struct cfattach macvid_ca = {
76 sizeof(struct grfbus_softc), grfmv_match, grfmv_attach
77 };
78
79 static void
80 load_image_data(data, image)
81 caddr_t data;
82 struct image_data *image;
83 {
84 bcopy(data , &image->size, 4);
85 bcopy(data + 4, &image->offset, 4);
86 bcopy(data + 8, &image->rowbytes, 2);
87 bcopy(data + 10, &image->top, 2);
88 bcopy(data + 12, &image->left, 2);
89 bcopy(data + 14, &image->bottom, 2);
90 bcopy(data + 16, &image->right, 2);
91 bcopy(data + 18, &image->version, 2);
92 bcopy(data + 20, &image->packType, 2);
93 bcopy(data + 22, &image->packSize, 4);
94 bcopy(data + 26, &image->hRes, 4);
95 bcopy(data + 30, &image->vRes, 4);
96 bcopy(data + 34, &image->pixelType, 2);
97 bcopy(data + 36, &image->pixelSize, 2);
98 bcopy(data + 38, &image->cmpCount, 2);
99 bcopy(data + 40, &image->cmpSize, 2);
100 bcopy(data + 42, &image->planeBytes, 4);
101 }
102
103
104 static int
105 grfmv_match(parent, cf, aux)
106 struct device *parent;
107 struct cfdata *cf;
108 void *aux;
109 {
110 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
111
112 if (na->category != NUBUS_CATEGORY_DISPLAY)
113 return 0;
114
115 if (na->type != NUBUS_TYPE_VIDEO)
116 return 0;
117
118 if (na->drsw != NUBUS_DRSW_APPLE)
119 return 0;
120
121 /*
122 * If we've gotten this far, then we're dealing with a real-live
123 * Apple QuickDraw-compatible display card resource. Now, how to
124 * determine that this is an active resource??? Dunno. But we'll
125 * proceed like it is.
126 */
127
128 return 1;
129 }
130
131 static void
132 grfmv_attach(parent, self, aux)
133 struct device *parent, *self;
134 void *aux;
135 {
136 struct grfbus_softc *sc = (struct grfbus_softc *)self;
137 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
138 struct image_data image_store, image;
139 struct grfmode *gm;
140 char cardname[CARD_NAME_LEN];
141 nubus_dirent dirent;
142 nubus_dir dir, mode_dir;
143 int mode;
144
145 sc->sc_tag = na->na_tag;
146 sc->card_id = na->drhw;
147
148 bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot));
149
150 if (bus_space_map(sc->sc_tag,
151 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &sc->sc_handle)) {
152 printf(": grfmv_attach: failed to map slot %d\n", na->slot);
153 return;
154 }
155
156 nubus_get_main_dir(&sc->sc_slot, &dir);
157
158 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
159 &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) {
160 bad:
161 bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE);
162 return;
163 }
164
165 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir);
166
167 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
168 &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0)
169 if ((na->rsrcid != 128) ||
170 (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
171 &sc->sc_slot, &dir, 129, &dirent) <= 0))
172 goto bad;
173
174 mode = NUBUS_RSRC_FIRSTMODE;
175 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
176 &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) {
177 printf(": probe failed to get board rsrc.\n");
178 goto bad;
179 }
180
181 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir);
182
183 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
184 &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) {
185 printf(": probe failed to get mode dir.\n");
186 goto bad;
187 }
188
189 if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot,
190 &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) {
191 printf(": probe failed to get indirect mode data.\n");
192 goto bad;
193 }
194
195 /* Need to load display info (and driver?), etc... (?) */
196
197 load_image_data((caddr_t)&image_store, &image);
198
199 gm = &sc->curr_mode;
200 gm->mode_id = mode;
201 gm->fbbase = (caddr_t)sc->sc_handle; /* XXX evil! */
202 gm->fboff = image.offset;
203 gm->rowbytes = image.rowbytes;
204 gm->width = image.right - image.left;
205 gm->height = image.bottom - image.top;
206 gm->fbsize = gm->height * gm->rowbytes;
207 gm->hres = image.hRes;
208 gm->vres = image.vRes;
209 gm->ptype = image.pixelType;
210 gm->psize = image.pixelSize;
211
212 strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle,
213 &sc->sc_slot), CARD_NAME_LEN);
214 cardname[CARD_NAME_LEN-1] = '\0';
215 printf(": %s\n", cardname);
216
217 if (sc->card_id == NUBUS_DRHW_TFB) {
218 /*
219 * This is the Toby card, but apparently some manufacturers
220 * (like Cornerstone) didn't bother to get/use their own
221 * value here, even though the cards are different, so we
222 * so we try to differentiate here.
223 */
224 if (strncmp(cardname, "Samsung 768", 11) == 0)
225 sc->card_id = NUBUS_DRHW_SAM768;
226 else if (strncmp(cardname, "Toby frame", 10) != 0)
227 printf("%s: This display card pretends to be a TFB!\n",
228 sc->sc_dev.dv_xname);
229 }
230
231 switch (sc->card_id) {
232 case NUBUS_DRHW_TFB:
233 case NUBUS_DRHW_M2HRVC:
234 case NUBUS_DRHW_PVC:
235 sc->cli_offset = 0xa0000;
236 sc->cli_value = 0;
237 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
238 break;
239 case NUBUS_DRHW_WVC:
240 sc->cli_offset = 0xa00000;
241 sc->cli_value = 0;
242 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
243 break;
244 case NUBUS_DRHW_COLORMAX:
245 add_nubus_intr(na->slot, grfmv_intr_cmax, sc);
246 break;
247 case NUBUS_DRHW_SE30:
248 /* Do nothing--SE/30 interrupts are disabled */
249 break;
250 case NUBUS_DRHW_MDC:
251 sc->cli_offset = 0x200148;
252 sc->cli_value = 1;
253 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
254
255 /* Enable interrupts; to disable, write 0x7 to this location */
256 bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5);
257 break;
258 case NUBUS_DRHW_CB264:
259 add_nubus_intr(na->slot, grfmv_intr_cb264, sc);
260 break;
261 case NUBUS_DRHW_CB364:
262 add_nubus_intr(na->slot, grfmv_intr_cb364, sc);
263 break;
264 case NUBUS_DRHW_RPC8:
265 sc->cli_offset = 0xfdff8f;
266 sc->cli_value = 0xff;
267 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
268 break;
269 case NUBUS_DRHW_RPC8XJ:
270 add_nubus_intr(na->slot, grfmv_intr_radius, sc);
271 break;
272 case NUBUS_DRHW_RPC24XP:
273 add_nubus_intr(na->slot, grfmv_intr_radius24, sc);
274 break;
275 case NUBUS_DRHW_FIILX:
276 case NUBUS_DRHW_FIISXDSP:
277 case NUBUS_DRHW_FUTURASX:
278 sc->cli_offset = 0xf05000;
279 sc->cli_value = 0x80;
280 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
281 break;
282 case NUBUS_DRHW_SAM768:
283 add_nubus_intr(na->slot, grfmv_intr_cti, sc);
284 break;
285 case NUBUS_DRHW_SUPRGFX:
286 add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
287 break;
288 case NUBUS_DRHW_SPECTRM8:
289 sc->cli_offset = 0x0de178;
290 sc->cli_value = 0x80;
291 add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc);
292 break;
293 case NUBUS_DRHW_LAPIS:
294 add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
295 break;
296 case NUBUS_DRHW_FORMAC:
297 add_nubus_intr(na->slot, grfmv_intr_formac, sc);
298 break;
299 case NUBUS_DRHW_ROPS24LXI:
300 sc->cli_offset = 0xfb0010;
301 sc->cli_value = 0x00;
302 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
303 break;
304 case NUBUS_DRHW_VIMAGE:
305 add_nubus_intr(na->slot, grfmv_intr_vimage, sc);
306 break;
307 case NUBUS_DRHW_MICRON:
308 /* What do we know about this one? */
309 default:
310 printf("%s: Unknown video card ID 0x%x --",
311 sc->sc_dev.dv_xname, sc->card_id);
312 printf(" Not installing interrupt routine.\n");
313 break;
314 }
315
316 /* Perform common video attachment. */
317 grf_establish(sc, &sc->sc_slot, grfmv_mode, grfmv_phys);
318 }
319
320 static int
321 grfmv_mode(gp, cmd, arg)
322 struct grf_softc *gp;
323 int cmd;
324 void *arg;
325 {
326 switch (cmd) {
327 case GM_GRFON:
328 case GM_GRFOFF:
329 return 0;
330 case GM_CURRMODE:
331 break;
332 case GM_NEWMODE:
333 break;
334 case GM_LISTMODES:
335 break;
336 }
337 return EINVAL;
338 }
339
340 static caddr_t
341 grfmv_phys(gp)
342 struct grf_softc *gp;
343 {
344 return (caddr_t)NUBUS_SLOT2PA(gp->sc_slot->slot);
345 }
346
347 /* Interrupt handlers... */
348 /*
349 * Generic routine to clear interrupts for cards where it simply takes
350 * a MOV.B to clear the interrupt. The offset and value of this byte
351 * varies between cards.
352 */
353 /*ARGSUSED*/
354 static void
355 grfmv_intr_generic_write1(vsc)
356 void *vsc;
357 {
358 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
359
360 bus_space_write_1(sc->sc_tag, sc->sc_handle,
361 sc->cli_offset, (u_int8_t)sc->cli_value);
362 }
363
364 /*
365 * Generic routine to clear interrupts for cards where it simply takes
366 * a MOV.L to clear the interrupt. The offset and value of this byte
367 * varies between cards.
368 */
369 /*ARGSUSED*/
370 static void
371 grfmv_intr_generic_write4(vsc)
372 void *vsc;
373 {
374 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
375
376 bus_space_write_4(sc->sc_tag, sc->sc_handle,
377 sc->cli_offset, sc->cli_value);
378 }
379
380 /*
381 * Generic routine to clear interrupts for cards where it simply takes
382 * an OR.L to clear the interrupt. The offset and value of this byte
383 * varies between cards.
384 */
385 /*ARGSUSED*/
386 static void
387 grfmv_intr_generic_or4(vsc)
388 void *vsc;
389 {
390 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
391 unsigned long scratch;
392
393 scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset);
394 scratch |= 0x80;
395 bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch);
396 }
397
398 /*
399 * Routine to clear interrupts for the Radius PrecisionColor 8xj card.
400 */
401 /*ARGSUSED*/
402 static void
403 grfmv_intr_radius(vsc)
404 void *vsc;
405 {
406 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
407 u_int8_t c;
408
409 /*
410 * The value 0x66 was the observed value on one card. It is read
411 * from the driver's information block, so this may not be sufficient.
412 * Then again, we're not setting up any other interrupts...
413 */
414 c = 0x66;
415
416 c |= 0x80;
417 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
418 c &= 0x7f;
419 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
420 }
421
422 /*
423 * Routine to clear interrupts for the Radius PrecisionColor 24Xp card.
424 * Is this what the 8xj routine is doing, too?
425 */
426 /*ARGSUSED*/
427 static void
428 grfmv_intr_radius24(vsc)
429 void *vsc;
430 {
431 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
432 u_int8_t c;
433
434 c = 0x80 | bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfffd8);
435 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
436 c &= 0x7f;
437 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
438 }
439
440 /*
441 * Routine to clear interrupts on Samsung 768x1006 video controller.
442 * This controller was manufactured by Cornerstone Technology, Inc.,
443 * now known as Cornerstone Imaging.
444 *
445 * To clear this interrupt, we apparently have to set, then clear,
446 * bit 2 at byte offset 0x80000 from the card's base.
447 * Information for this provided by Brad Salai <bsalai (at) servtech.com>
448 */
449 /*ARGSUSED*/
450 static void
451 grfmv_intr_cti(vsc)
452 void *vsc;
453 {
454 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
455 u_int8_t c;
456
457 c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000);
458 c |= 0x02;
459 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
460 c &= 0xfd;
461 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
462 }
463
464 /*ARGSUSED*/
465 static void
466 grfmv_intr_cb264(vsc)
467 void *vsc;
468 {
469 struct grfbus_softc *sc;
470 volatile char *slotbase;
471
472 sc = (struct grfbus_softc *)vsc;
473 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
474 asm volatile(" movl %0,a0
475 movl a0@(0xff6028),d0
476 andl #0x2,d0
477 beq _mv_intr0
478 movql #0x3,d0
479 _mv_intr0:
480 movl a0@(0xff600c),d1
481 andl #0x3,d1
482 cmpl d1,d0
483 beq _mv_intr_fin
484 movl d0,a0@(0xff600c)
485 nop
486 tstb d0
487 beq _mv_intr1
488 movl #0x0002,a0@(0xff6040)
489 movl #0x0102,a0@(0xff6044)
490 movl #0x0105,a0@(0xff6048)
491 movl #0x000e,a0@(0xff604c)
492 movl #0x001c,a0@(0xff6050)
493 movl #0x00bc,a0@(0xff6054)
494 movl #0x00c3,a0@(0xff6058)
495 movl #0x0061,a0@(0xff605c)
496 movl #0x0012,a0@(0xff6060)
497 bra _mv_intr_fin
498 _mv_intr1:
499 movl #0x0002,a0@(0xff6040)
500 movl #0x0209,a0@(0xff6044)
501 movl #0x020c,a0@(0xff6048)
502 movl #0x000f,a0@(0xff604c)
503 movl #0x0027,a0@(0xff6050)
504 movl #0x00c7,a0@(0xff6054)
505 movl #0x00d7,a0@(0xff6058)
506 movl #0x006b,a0@(0xff605c)
507 movl #0x0029,a0@(0xff6060)
508 _mv_intr_fin:
509 movl #0x1,a0@(0xff6014)"
510 : : "g" (slotbase) : "a0","d0","d1");
511 }
512
513 /*
514 * Support for the Colorboard 364 might be more complex than it needs to
515 * be. If we can find more information about this card, this might be
516 * significantly simplified. Contributions welcome... :-)
517 */
518 /*ARGSUSED*/
519 static void
520 grfmv_intr_cb364(vsc)
521 void *vsc;
522 {
523 struct grfbus_softc *sc;
524 volatile char *slotbase;
525
526 sc = (struct grfbus_softc *)vsc;
527 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
528 asm volatile(" movl %0,a0
529 movl a0@(0xfe6028),d0
530 andl #0x2,d0
531 beq _cb364_intr4
532 movql #0x3,d0
533 movl a0@(0xfe6018),d1
534 movl #0x3,a0@(0xfe6018)
535 movw a0@(0xfe7010),d2
536 movl d1,a0@(0xfe6018)
537 movl a0@(0xfe6020),d1
538 btst #0x06,d2
539 beq _cb364_intr0
540 btst #0x00,d1
541 beq _cb364_intr5
542 bsr _cb364_intr1
543 bra _cb364_intr_out
544 _cb364_intr0:
545 btst #0x00,d1
546 bne _cb364_intr5
547 bsr _cb364_intr1
548 bra _cb364_intr_out
549 _cb364_intr1:
550 movl d0,a0@(0xfe600c)
551 nop
552 tstb d0
553 beq _cb364_intr3
554 movl #0x0002,a0@(0xfe6040)
555 movl #0x0105,a0@(0xfe6048)
556 movl #0x000e,a0@(0xfe604c)
557 movl #0x00c3,a0@(0xfe6058)
558 movl #0x0061,a0@(0xfe605c)
559 btst #0x06,d2
560 beq _cb364_intr2
561 movl #0x001c,a0@(0xfe6050)
562 movl #0x00bc,a0@(0xfe6054)
563 movl #0x0012,a0@(0xfe6060)
564 movl #0x000e,a0@(0xfe6044)
565 movl #0x00c3,a0@(0xfe6064)
566 movl #0x0061,a0@(0xfe6020)
567 rts
568 _cb364_intr2:
569 movl #0x0016,a0@(0xfe6050)
570 movl #0x00b6,a0@(0xfe6054)
571 movl #0x0011,a0@(0xfe6060)
572 movl #0x0101,a0@(0xfe6044)
573 movl #0x00bf,a0@(0xfe6064)
574 movl #0x0001,a0@(0xfe6020)
575 rts
576 _cb364_intr3:
577 movl #0x0002,a0@(0xfe6040)
578 movl #0x0209,a0@(0xfe6044)
579 movl #0x020c,a0@(0xfe6048)
580 movl #0x000f,a0@(0xfe604c)
581 movl #0x0027,a0@(0xfe6050)
582 movl #0x00c7,a0@(0xfe6054)
583 movl #0x00d7,a0@(0xfe6058)
584 movl #0x006b,a0@(0xfe605c)
585 movl #0x0029,a0@(0xfe6060)
586 oril #0x0040,a0@(0xfe6064)
587 movl #0x0000,a0@(0xfe6020)
588 rts
589 _cb364_intr4:
590 movq #0x00,d0
591 _cb364_intr5:
592 movl a0@(0xfe600c),d1
593 andl #0x3,d1
594 cmpl d1,d0
595 beq _cb364_intr_out
596 bsr _cb364_intr1
597 _cb364_intr_out:
598 movl #0x1,a0@(0xfe6014)
599 _cb364_intr_quit:
600 " : : "g" (slotbase) : "a0","d0","d1","d2");
601 }
602
603 /*
604 * Interrupt clearing routine for SuperMac GFX card.
605 */
606 /*ARGSUSED*/
607 static void
608 grfmv_intr_supermacgfx(vsc)
609 void *vsc;
610 {
611 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
612 u_int8_t dummy;
613
614 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3);
615 }
616
617 /*
618 * Routine to clear interrupts for the Sigma Designs ColorMax card.
619 */
620 /*ARGSUSED*/
621 static void
622 grfmv_intr_cmax(vsc)
623 void *vsc;
624 {
625 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
626 u_int32_t dummy;
627
628 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
629 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
630 }
631
632 /*
633 * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card
634 * (for the SE/30).
635 */
636 /*ARGSUSED*/
637 static void
638 grfmv_intr_lapis(vsc)
639 void *vsc;
640 {
641 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
642
643 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
644 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
645 }
646
647 /*
648 * Routine to clear interrupts for the Formac Color Card II
649 */
650 /*ARGSUSED*/
651 static void
652 grfmv_intr_formac(vsc)
653 void *vsc;
654 {
655 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
656 u_int8_t dummy;
657
658 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80db);
659 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80d3);
660 }
661
662 /*
663 * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
664 */
665 /*ARGSUSED*/
666 static void
667 grfmv_intr_vimage(vsc)
668 void *vsc;
669 {
670 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
671
672 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0x67);
673 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0xE7);
674 }
675