grf_nubus.c revision 1.46 1 /* $NetBSD: grf_nubus.c,v 1.46 1998/06/02 02:14:21 scottr 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 int grfmv_match __P((struct device *, struct cfdata *, void *));
72 static void grfmv_attach __P((struct device *, struct device *, void *));
73
74 struct cfattach macvid_ca = {
75 sizeof(struct grfbus_softc), grfmv_match, grfmv_attach
76 };
77
78 static void
79 load_image_data(data, image)
80 caddr_t data;
81 struct image_data *image;
82 {
83 bcopy(data , &image->size, 4);
84 bcopy(data + 4, &image->offset, 4);
85 bcopy(data + 8, &image->rowbytes, 2);
86 bcopy(data + 10, &image->top, 2);
87 bcopy(data + 12, &image->left, 2);
88 bcopy(data + 14, &image->bottom, 2);
89 bcopy(data + 16, &image->right, 2);
90 bcopy(data + 18, &image->version, 2);
91 bcopy(data + 20, &image->packType, 2);
92 bcopy(data + 22, &image->packSize, 4);
93 bcopy(data + 26, &image->hRes, 4);
94 bcopy(data + 30, &image->vRes, 4);
95 bcopy(data + 34, &image->pixelType, 2);
96 bcopy(data + 36, &image->pixelSize, 2);
97 bcopy(data + 38, &image->cmpCount, 2);
98 bcopy(data + 40, &image->cmpSize, 2);
99 bcopy(data + 42, &image->planeBytes, 4);
100 }
101
102
103 static int
104 grfmv_match(parent, cf, aux)
105 struct device *parent;
106 struct cfdata *cf;
107 void *aux;
108 {
109 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
110
111 if (na->category != NUBUS_CATEGORY_DISPLAY)
112 return 0;
113
114 if (na->type != NUBUS_TYPE_VIDEO)
115 return 0;
116
117 if (na->drsw != NUBUS_DRSW_APPLE)
118 return 0;
119
120 /*
121 * If we've gotten this far, then we're dealing with a real-live
122 * Apple QuickDraw-compatible display card resource. Now, how to
123 * determine that this is an active resource??? Dunno. But we'll
124 * proceed like it is.
125 */
126
127 return 1;
128 }
129
130 static void
131 grfmv_attach(parent, self, aux)
132 struct device *parent, *self;
133 void *aux;
134 {
135 struct grfbus_softc *sc = (struct grfbus_softc *)self;
136 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
137 struct image_data image_store, image;
138 struct grfmode *gm;
139 char cardname[CARD_NAME_LEN];
140 nubus_dirent dirent;
141 nubus_dir dir, mode_dir;
142 int mode;
143
144 bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot));
145
146 sc->sc_tag = na->na_tag;
147 sc->card_id = na->drhw;
148 sc->sc_bufpa = (caddr_t)NUBUS_SLOT2PA(na->slot);
149
150 if (bus_space_map(sc->sc_tag, (bus_addr_t)sc->sc_bufpa, NBMEMSIZE,
151 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 sc->cli_value = 0x66;
271 add_nubus_intr(na->slot, grfmv_intr_radius, sc);
272 break;
273 case NUBUS_DRHW_RPC24X:
274 sc->cli_value = 0x64;
275 add_nubus_intr(na->slot, grfmv_intr_radius, sc);
276 break;
277 case NUBUS_DRHW_RPC24XP:
278 add_nubus_intr(na->slot, grfmv_intr_radius24, sc);
279 break;
280 case NUBUS_DRHW_FIILX:
281 case NUBUS_DRHW_FIISXDSP:
282 case NUBUS_DRHW_FUTURASX:
283 sc->cli_offset = 0xf05000;
284 sc->cli_value = 0x80;
285 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
286 break;
287 case NUBUS_DRHW_SAM768:
288 add_nubus_intr(na->slot, grfmv_intr_cti, sc);
289 break;
290 case NUBUS_DRHW_SUPRGFX:
291 add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
292 break;
293 case NUBUS_DRHW_SPECTRM8:
294 sc->cli_offset = 0x0de178;
295 sc->cli_value = 0x80;
296 add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc);
297 break;
298 case NUBUS_DRHW_LAPIS:
299 add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
300 break;
301 case NUBUS_DRHW_FORMAC:
302 add_nubus_intr(na->slot, grfmv_intr_formac, sc);
303 break;
304 case NUBUS_DRHW_ROPS24LXI:
305 sc->cli_offset = 0xfb0010;
306 sc->cli_value = 0x00;
307 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
308 break;
309 case NUBUS_DRHW_VIMAGE:
310 add_nubus_intr(na->slot, grfmv_intr_vimage, sc);
311 break;
312 case NUBUS_DRHW_MICRON:
313 /* What do we know about this one? */
314 default:
315 printf("%s: Unknown video card ID 0x%x --",
316 sc->sc_dev.dv_xname, sc->card_id);
317 printf(" Not installing interrupt routine.\n");
318 break;
319 }
320
321 /* Perform common video attachment. */
322 grf_establish(sc, &sc->sc_slot, grfmv_mode);
323 }
324
325 static int
326 grfmv_mode(gp, cmd, arg)
327 struct grf_softc *gp;
328 int cmd;
329 void *arg;
330 {
331 switch (cmd) {
332 case GM_GRFON:
333 case GM_GRFOFF:
334 return 0;
335 case GM_CURRMODE:
336 break;
337 case GM_NEWMODE:
338 break;
339 case GM_LISTMODES:
340 break;
341 }
342 return EINVAL;
343 }
344
345 /* Interrupt handlers... */
346 /*
347 * Generic routine to clear interrupts for cards where it simply takes
348 * a MOV.B to clear the interrupt. The offset and value of this byte
349 * varies between cards.
350 */
351 /*ARGSUSED*/
352 static void
353 grfmv_intr_generic_write1(vsc)
354 void *vsc;
355 {
356 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
357
358 bus_space_write_1(sc->sc_tag, sc->sc_handle,
359 sc->cli_offset, (u_int8_t)sc->cli_value);
360 }
361
362 /*
363 * Generic routine to clear interrupts for cards where it simply takes
364 * a MOV.L to clear the interrupt. The offset and value of this byte
365 * varies between cards.
366 */
367 /*ARGSUSED*/
368 static void
369 grfmv_intr_generic_write4(vsc)
370 void *vsc;
371 {
372 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
373
374 bus_space_write_4(sc->sc_tag, sc->sc_handle,
375 sc->cli_offset, sc->cli_value);
376 }
377
378 /*
379 * Generic routine to clear interrupts for cards where it simply takes
380 * an OR.L to clear the interrupt. The offset and value of this byte
381 * varies between cards.
382 */
383 /*ARGSUSED*/
384 static void
385 grfmv_intr_generic_or4(vsc)
386 void *vsc;
387 {
388 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
389 unsigned long scratch;
390
391 scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset);
392 scratch |= 0x80;
393 bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch);
394 }
395
396 /*
397 * Routine to clear interrupts for the Radius PrecisionColor 8xj card.
398 */
399 /*ARGSUSED*/
400 static void
401 grfmv_intr_radius(vsc)
402 void *vsc;
403 {
404 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
405 u_int8_t c;
406
407 c = sc->cli_value;
408
409 c |= 0x80;
410 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
411 c &= 0x7f;
412 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
413 }
414
415 /*
416 * Routine to clear interrupts for the Radius PrecisionColor 24Xp card.
417 * Is this what the 8xj routine is doing, too?
418 */
419 /*ARGSUSED*/
420 static void
421 grfmv_intr_radius24(vsc)
422 void *vsc;
423 {
424 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
425 u_int8_t c;
426
427 c = 0x80 | bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfffd8);
428 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
429 c &= 0x7f;
430 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
431 }
432
433 /*
434 * Routine to clear interrupts on Samsung 768x1006 video controller.
435 * This controller was manufactured by Cornerstone Technology, Inc.,
436 * now known as Cornerstone Imaging.
437 *
438 * To clear this interrupt, we apparently have to set, then clear,
439 * bit 2 at byte offset 0x80000 from the card's base.
440 * Information for this provided by Brad Salai <bsalai (at) servtech.com>
441 */
442 /*ARGSUSED*/
443 static void
444 grfmv_intr_cti(vsc)
445 void *vsc;
446 {
447 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
448 u_int8_t c;
449
450 c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000);
451 c |= 0x02;
452 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
453 c &= 0xfd;
454 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
455 }
456
457 /*ARGSUSED*/
458 static void
459 grfmv_intr_cb264(vsc)
460 void *vsc;
461 {
462 struct grfbus_softc *sc;
463 volatile char *slotbase;
464
465 sc = (struct grfbus_softc *)vsc;
466 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
467 asm volatile(" movl %0,a0
468 movl a0@(0xff6028),d0
469 andl #0x2,d0
470 beq _mv_intr0
471 movql #0x3,d0
472 _mv_intr0:
473 movl a0@(0xff600c),d1
474 andl #0x3,d1
475 cmpl d1,d0
476 beq _mv_intr_fin
477 movl d0,a0@(0xff600c)
478 nop
479 tstb d0
480 beq _mv_intr1
481 movl #0x0002,a0@(0xff6040)
482 movl #0x0102,a0@(0xff6044)
483 movl #0x0105,a0@(0xff6048)
484 movl #0x000e,a0@(0xff604c)
485 movl #0x001c,a0@(0xff6050)
486 movl #0x00bc,a0@(0xff6054)
487 movl #0x00c3,a0@(0xff6058)
488 movl #0x0061,a0@(0xff605c)
489 movl #0x0012,a0@(0xff6060)
490 bra _mv_intr_fin
491 _mv_intr1:
492 movl #0x0002,a0@(0xff6040)
493 movl #0x0209,a0@(0xff6044)
494 movl #0x020c,a0@(0xff6048)
495 movl #0x000f,a0@(0xff604c)
496 movl #0x0027,a0@(0xff6050)
497 movl #0x00c7,a0@(0xff6054)
498 movl #0x00d7,a0@(0xff6058)
499 movl #0x006b,a0@(0xff605c)
500 movl #0x0029,a0@(0xff6060)
501 _mv_intr_fin:
502 movl #0x1,a0@(0xff6014)"
503 : : "g" (slotbase) : "a0","d0","d1");
504 }
505
506 /*
507 * Support for the Colorboard 364 might be more complex than it needs to
508 * be. If we can find more information about this card, this might be
509 * significantly simplified. Contributions welcome... :-)
510 */
511 /*ARGSUSED*/
512 static void
513 grfmv_intr_cb364(vsc)
514 void *vsc;
515 {
516 struct grfbus_softc *sc;
517 volatile char *slotbase;
518
519 sc = (struct grfbus_softc *)vsc;
520 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
521 asm volatile(" movl %0,a0
522 movl a0@(0xfe6028),d0
523 andl #0x2,d0
524 beq _cb364_intr4
525 movql #0x3,d0
526 movl a0@(0xfe6018),d1
527 movl #0x3,a0@(0xfe6018)
528 movw a0@(0xfe7010),d2
529 movl d1,a0@(0xfe6018)
530 movl a0@(0xfe6020),d1
531 btst #0x06,d2
532 beq _cb364_intr0
533 btst #0x00,d1
534 beq _cb364_intr5
535 bsr _cb364_intr1
536 bra _cb364_intr_out
537 _cb364_intr0:
538 btst #0x00,d1
539 bne _cb364_intr5
540 bsr _cb364_intr1
541 bra _cb364_intr_out
542 _cb364_intr1:
543 movl d0,a0@(0xfe600c)
544 nop
545 tstb d0
546 beq _cb364_intr3
547 movl #0x0002,a0@(0xfe6040)
548 movl #0x0105,a0@(0xfe6048)
549 movl #0x000e,a0@(0xfe604c)
550 movl #0x00c3,a0@(0xfe6058)
551 movl #0x0061,a0@(0xfe605c)
552 btst #0x06,d2
553 beq _cb364_intr2
554 movl #0x001c,a0@(0xfe6050)
555 movl #0x00bc,a0@(0xfe6054)
556 movl #0x0012,a0@(0xfe6060)
557 movl #0x000e,a0@(0xfe6044)
558 movl #0x00c3,a0@(0xfe6064)
559 movl #0x0061,a0@(0xfe6020)
560 rts
561 _cb364_intr2:
562 movl #0x0016,a0@(0xfe6050)
563 movl #0x00b6,a0@(0xfe6054)
564 movl #0x0011,a0@(0xfe6060)
565 movl #0x0101,a0@(0xfe6044)
566 movl #0x00bf,a0@(0xfe6064)
567 movl #0x0001,a0@(0xfe6020)
568 rts
569 _cb364_intr3:
570 movl #0x0002,a0@(0xfe6040)
571 movl #0x0209,a0@(0xfe6044)
572 movl #0x020c,a0@(0xfe6048)
573 movl #0x000f,a0@(0xfe604c)
574 movl #0x0027,a0@(0xfe6050)
575 movl #0x00c7,a0@(0xfe6054)
576 movl #0x00d7,a0@(0xfe6058)
577 movl #0x006b,a0@(0xfe605c)
578 movl #0x0029,a0@(0xfe6060)
579 oril #0x0040,a0@(0xfe6064)
580 movl #0x0000,a0@(0xfe6020)
581 rts
582 _cb364_intr4:
583 movq #0x00,d0
584 _cb364_intr5:
585 movl a0@(0xfe600c),d1
586 andl #0x3,d1
587 cmpl d1,d0
588 beq _cb364_intr_out
589 bsr _cb364_intr1
590 _cb364_intr_out:
591 movl #0x1,a0@(0xfe6014)
592 _cb364_intr_quit:
593 " : : "g" (slotbase) : "a0","d0","d1","d2");
594 }
595
596 /*
597 * Interrupt clearing routine for SuperMac GFX card.
598 */
599 /*ARGSUSED*/
600 static void
601 grfmv_intr_supermacgfx(vsc)
602 void *vsc;
603 {
604 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
605 u_int8_t dummy;
606
607 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3);
608 }
609
610 /*
611 * Routine to clear interrupts for the Sigma Designs ColorMax card.
612 */
613 /*ARGSUSED*/
614 static void
615 grfmv_intr_cmax(vsc)
616 void *vsc;
617 {
618 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
619 u_int32_t dummy;
620
621 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
622 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
623 }
624
625 /*
626 * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card
627 * (for the SE/30).
628 */
629 /*ARGSUSED*/
630 static void
631 grfmv_intr_lapis(vsc)
632 void *vsc;
633 {
634 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
635
636 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
637 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
638 }
639
640 /*
641 * Routine to clear interrupts for the Formac Color Card II
642 */
643 /*ARGSUSED*/
644 static void
645 grfmv_intr_formac(vsc)
646 void *vsc;
647 {
648 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
649 u_int8_t dummy;
650
651 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80db);
652 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80d3);
653 }
654
655 /*
656 * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
657 */
658 /*ARGSUSED*/
659 static void
660 grfmv_intr_vimage(vsc)
661 void *vsc;
662 {
663 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
664
665 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0x67);
666 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0xE7);
667 }
668