grf_nubus.c revision 1.48 1 /* $NetBSD: grf_nubus.c,v 1.48 1998/08/09 18:19:09 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 "opt_grf.h"
36
37 #include <sys/param.h>
38
39 #include <sys/device.h>
40 #include <sys/ioctl.h>
41 #include <sys/file.h>
42 #include <sys/malloc.h>
43 #include <sys/mman.h>
44 #include <sys/proc.h>
45 #include <sys/systm.h>
46
47 #include <machine/bus.h>
48 #include <machine/cpu.h>
49 #include <machine/grfioctl.h>
50 #include <machine/viareg.h>
51
52 #include <mac68k/nubus/nubus.h>
53 #include <mac68k/dev/grfvar.h>
54
55 static void load_image_data __P((caddr_t data, struct image_data *image));
56
57 static void grfmv_intr_generic_write1 __P((void *vsc));
58 static void grfmv_intr_generic_write4 __P((void *vsc));
59 static void grfmv_intr_generic_or4 __P((void *vsc));
60
61 static void grfmv_intr_cb264 __P((void *vsc));
62 static void grfmv_intr_cb364 __P((void *vsc));
63 static void grfmv_intr_cmax __P((void *vsc));
64 static void grfmv_intr_cti __P((void *vsc));
65 static void grfmv_intr_radius __P((void *vsc));
66 static void grfmv_intr_radius24 __P((void *vsc));
67 static void grfmv_intr_supermacgfx __P((void *vsc));
68 static void grfmv_intr_lapis __P((void *vsc));
69 static void grfmv_intr_formac __P((void *vsc));
70 static void grfmv_intr_vimage __P((void *vsc));
71 static void grfmv_intr_gvimage __P((void *vsc));
72
73 static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg));
74 static int grfmv_match __P((struct device *, struct cfdata *, void *));
75 static void grfmv_attach __P((struct device *, struct device *, void *));
76
77 struct cfattach macvid_ca = {
78 sizeof(struct grfbus_softc), grfmv_match, grfmv_attach
79 };
80
81 static void
82 load_image_data(data, image)
83 caddr_t data;
84 struct image_data *image;
85 {
86 bcopy(data , &image->size, 4);
87 bcopy(data + 4, &image->offset, 4);
88 bcopy(data + 8, &image->rowbytes, 2);
89 bcopy(data + 10, &image->top, 2);
90 bcopy(data + 12, &image->left, 2);
91 bcopy(data + 14, &image->bottom, 2);
92 bcopy(data + 16, &image->right, 2);
93 bcopy(data + 18, &image->version, 2);
94 bcopy(data + 20, &image->packType, 2);
95 bcopy(data + 22, &image->packSize, 4);
96 bcopy(data + 26, &image->hRes, 4);
97 bcopy(data + 30, &image->vRes, 4);
98 bcopy(data + 34, &image->pixelType, 2);
99 bcopy(data + 36, &image->pixelSize, 2);
100 bcopy(data + 38, &image->cmpCount, 2);
101 bcopy(data + 40, &image->cmpSize, 2);
102 bcopy(data + 42, &image->planeBytes, 4);
103 }
104
105
106 static int
107 grfmv_match(parent, cf, aux)
108 struct device *parent;
109 struct cfdata *cf;
110 void *aux;
111 {
112 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
113
114 if (na->category != NUBUS_CATEGORY_DISPLAY)
115 return 0;
116
117 if (na->type != NUBUS_TYPE_VIDEO)
118 return 0;
119
120 if (na->drsw != NUBUS_DRSW_APPLE)
121 return 0;
122
123 /*
124 * If we've gotten this far, then we're dealing with a real-live
125 * Apple QuickDraw-compatible display card resource. Now, how to
126 * determine that this is an active resource??? Dunno. But we'll
127 * proceed like it is.
128 */
129
130 return 1;
131 }
132
133 static void
134 grfmv_attach(parent, self, aux)
135 struct device *parent, *self;
136 void *aux;
137 {
138 struct grfbus_softc *sc = (struct grfbus_softc *)self;
139 struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
140 struct image_data image_store, image;
141 struct grfmode *gm;
142 char cardname[CARD_NAME_LEN];
143 nubus_dirent dirent;
144 nubus_dir dir, mode_dir;
145 int mode;
146
147 bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot));
148
149 sc->sc_tag = na->na_tag;
150 sc->card_id = na->drhw;
151 sc->sc_bufpa = (caddr_t)NUBUS_SLOT2PA(na->slot);
152
153 if (bus_space_map(sc->sc_tag, (bus_addr_t)sc->sc_bufpa, NBMEMSIZE,
154 0, &sc->sc_handle)) {
155 printf(": grfmv_attach: failed to map slot %d\n", na->slot);
156 return;
157 }
158
159 nubus_get_main_dir(&sc->sc_slot, &dir);
160
161 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
162 &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) {
163 bad:
164 bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE);
165 return;
166 }
167
168 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir);
169
170 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
171 &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0)
172 if ((na->rsrcid != 128) ||
173 (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
174 &sc->sc_slot, &dir, 129, &dirent) <= 0))
175 goto bad;
176
177 mode = NUBUS_RSRC_FIRSTMODE;
178 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
179 &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) {
180 printf(": probe failed to get board rsrc.\n");
181 goto bad;
182 }
183
184 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir);
185
186 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
187 &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) {
188 printf(": probe failed to get mode dir.\n");
189 goto bad;
190 }
191
192 if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot,
193 &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) {
194 printf(": probe failed to get indirect mode data.\n");
195 goto bad;
196 }
197
198 /* Need to load display info (and driver?), etc... (?) */
199
200 load_image_data((caddr_t)&image_store, &image);
201
202 gm = &sc->curr_mode;
203 gm->mode_id = mode;
204 gm->fbbase = (caddr_t)sc->sc_handle; /* XXX evil! */
205 gm->fboff = image.offset;
206 gm->rowbytes = image.rowbytes;
207 gm->width = image.right - image.left;
208 gm->height = image.bottom - image.top;
209 gm->fbsize = gm->height * gm->rowbytes;
210 gm->hres = image.hRes;
211 gm->vres = image.vRes;
212 gm->ptype = image.pixelType;
213 gm->psize = image.pixelSize;
214
215 strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle,
216 &sc->sc_slot), CARD_NAME_LEN);
217 cardname[CARD_NAME_LEN-1] = '\0';
218 printf(": %s\n", cardname);
219
220 if (sc->card_id == NUBUS_DRHW_TFB) {
221 /*
222 * This is the Toby card, but apparently some manufacturers
223 * (like Cornerstone) didn't bother to get/use their own
224 * value here, even though the cards are different, so we
225 * so we try to differentiate here.
226 */
227 if (strncmp(cardname, "Samsung 768", 11) == 0)
228 sc->card_id = NUBUS_DRHW_SAM768;
229 else if (strncmp(cardname, "Toby frame", 10) != 0)
230 printf("%s: This display card pretends to be a TFB!\n",
231 sc->sc_dev.dv_xname);
232 }
233
234 switch (sc->card_id) {
235 case NUBUS_DRHW_TFB:
236 case NUBUS_DRHW_M2HRVC:
237 case NUBUS_DRHW_PVC:
238 sc->cli_offset = 0xa0000;
239 sc->cli_value = 0;
240 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
241 break;
242 case NUBUS_DRHW_WVC:
243 sc->cli_offset = 0xa00000;
244 sc->cli_value = 0;
245 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
246 break;
247 case NUBUS_DRHW_COLORMAX:
248 add_nubus_intr(na->slot, grfmv_intr_cmax, sc);
249 break;
250 case NUBUS_DRHW_SE30:
251 /* Do nothing--SE/30 interrupts are disabled */
252 break;
253 case NUBUS_DRHW_MDC:
254 sc->cli_offset = 0x200148;
255 sc->cli_value = 1;
256 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
257
258 /* Enable interrupts; to disable, write 0x7 to this location */
259 bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5);
260 break;
261 case NUBUS_DRHW_CB264:
262 add_nubus_intr(na->slot, grfmv_intr_cb264, sc);
263 break;
264 case NUBUS_DRHW_CB364:
265 add_nubus_intr(na->slot, grfmv_intr_cb364, sc);
266 break;
267 case NUBUS_DRHW_RPC8:
268 sc->cli_offset = 0xfdff8f;
269 sc->cli_value = 0xff;
270 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
271 break;
272 case NUBUS_DRHW_RPC8XJ:
273 sc->cli_value = 0x66;
274 add_nubus_intr(na->slot, grfmv_intr_radius, sc);
275 break;
276 case NUBUS_DRHW_RPC24X:
277 sc->cli_value = 0x64;
278 add_nubus_intr(na->slot, grfmv_intr_radius, sc);
279 break;
280 case NUBUS_DRHW_RPC24XP:
281 add_nubus_intr(na->slot, grfmv_intr_radius24, sc);
282 break;
283 case NUBUS_DRHW_FIILX:
284 case NUBUS_DRHW_FIISXDSP:
285 case NUBUS_DRHW_FUTURASX:
286 sc->cli_offset = 0xf05000;
287 sc->cli_value = 0x80;
288 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
289 break;
290 case NUBUS_DRHW_SAM768:
291 add_nubus_intr(na->slot, grfmv_intr_cti, sc);
292 break;
293 case NUBUS_DRHW_SUPRGFX:
294 add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
295 break;
296 case NUBUS_DRHW_SPECTRM8:
297 sc->cli_offset = 0x0de178;
298 sc->cli_value = 0x80;
299 add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc);
300 break;
301 case NUBUS_DRHW_LAPIS:
302 add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
303 break;
304 case NUBUS_DRHW_FORMAC:
305 add_nubus_intr(na->slot, grfmv_intr_formac, sc);
306 break;
307 case NUBUS_DRHW_ROPS24LXI:
308 sc->cli_offset = 0xfb0010;
309 sc->cli_value = 0x00;
310 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
311 break;
312 case NUBUS_DRHW_VIMAGE:
313 add_nubus_intr(na->slot, grfmv_intr_vimage, sc);
314 break;
315 case NUBUS_DRHW_GVIMAGE:
316 add_nubus_intr(na->slot, grfmv_intr_gvimage, sc);
317 break;
318 case NUBUS_DRHW_MICRON:
319 /* What do we know about this one? */
320 default:
321 printf("%s: Unknown video card ID 0x%x --",
322 sc->sc_dev.dv_xname, sc->card_id);
323 printf(" Not installing interrupt routine.\n");
324 break;
325 }
326
327 /* Perform common video attachment. */
328 grf_establish(sc, &sc->sc_slot, grfmv_mode);
329 }
330
331 static int
332 grfmv_mode(gp, cmd, arg)
333 struct grf_softc *gp;
334 int cmd;
335 void *arg;
336 {
337 switch (cmd) {
338 case GM_GRFON:
339 case GM_GRFOFF:
340 return 0;
341 case GM_CURRMODE:
342 break;
343 case GM_NEWMODE:
344 break;
345 case GM_LISTMODES:
346 break;
347 }
348 return EINVAL;
349 }
350
351 /* Interrupt handlers... */
352 /*
353 * Generic routine to clear interrupts for cards where it simply takes
354 * a MOV.B to clear the interrupt. The offset and value of this byte
355 * varies between cards.
356 */
357 /*ARGSUSED*/
358 static void
359 grfmv_intr_generic_write1(vsc)
360 void *vsc;
361 {
362 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
363
364 bus_space_write_1(sc->sc_tag, sc->sc_handle,
365 sc->cli_offset, (u_int8_t)sc->cli_value);
366 }
367
368 /*
369 * Generic routine to clear interrupts for cards where it simply takes
370 * a MOV.L to clear the interrupt. The offset and value of this byte
371 * varies between cards.
372 */
373 /*ARGSUSED*/
374 static void
375 grfmv_intr_generic_write4(vsc)
376 void *vsc;
377 {
378 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
379
380 bus_space_write_4(sc->sc_tag, sc->sc_handle,
381 sc->cli_offset, sc->cli_value);
382 }
383
384 /*
385 * Generic routine to clear interrupts for cards where it simply takes
386 * an OR.L to clear the interrupt. The offset and value of this byte
387 * varies between cards.
388 */
389 /*ARGSUSED*/
390 static void
391 grfmv_intr_generic_or4(vsc)
392 void *vsc;
393 {
394 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
395 unsigned long scratch;
396
397 scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset);
398 scratch |= 0x80;
399 bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch);
400 }
401
402 /*
403 * Routine to clear interrupts for the Radius PrecisionColor 8xj card.
404 */
405 /*ARGSUSED*/
406 static void
407 grfmv_intr_radius(vsc)
408 void *vsc;
409 {
410 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
411 u_int8_t c;
412
413 c = sc->cli_value;
414
415 c |= 0x80;
416 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
417 c &= 0x7f;
418 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
419 }
420
421 /*
422 * Routine to clear interrupts for the Radius PrecisionColor 24Xp card.
423 * Is this what the 8xj routine is doing, too?
424 */
425 /*ARGSUSED*/
426 static void
427 grfmv_intr_radius24(vsc)
428 void *vsc;
429 {
430 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
431 u_int8_t c;
432
433 c = 0x80 | bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfffd8);
434 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
435 c &= 0x7f;
436 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
437 }
438
439 /*
440 * Routine to clear interrupts on Samsung 768x1006 video controller.
441 * This controller was manufactured by Cornerstone Technology, Inc.,
442 * now known as Cornerstone Imaging.
443 *
444 * To clear this interrupt, we apparently have to set, then clear,
445 * bit 2 at byte offset 0x80000 from the card's base.
446 * Information for this provided by Brad Salai <bsalai (at) servtech.com>
447 */
448 /*ARGSUSED*/
449 static void
450 grfmv_intr_cti(vsc)
451 void *vsc;
452 {
453 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
454 u_int8_t c;
455
456 c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000);
457 c |= 0x02;
458 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
459 c &= 0xfd;
460 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
461 }
462
463 /*ARGSUSED*/
464 static void
465 grfmv_intr_cb264(vsc)
466 void *vsc;
467 {
468 struct grfbus_softc *sc;
469 volatile char *slotbase;
470
471 sc = (struct grfbus_softc *)vsc;
472 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
473 asm volatile(" movl %0,a0
474 movl a0@(0xff6028),d0
475 andl #0x2,d0
476 beq _mv_intr0
477 movql #0x3,d0
478 _mv_intr0:
479 movl a0@(0xff600c),d1
480 andl #0x3,d1
481 cmpl d1,d0
482 beq _mv_intr_fin
483 movl d0,a0@(0xff600c)
484 nop
485 tstb d0
486 beq _mv_intr1
487 movl #0x0002,a0@(0xff6040)
488 movl #0x0102,a0@(0xff6044)
489 movl #0x0105,a0@(0xff6048)
490 movl #0x000e,a0@(0xff604c)
491 movl #0x001c,a0@(0xff6050)
492 movl #0x00bc,a0@(0xff6054)
493 movl #0x00c3,a0@(0xff6058)
494 movl #0x0061,a0@(0xff605c)
495 movl #0x0012,a0@(0xff6060)
496 bra _mv_intr_fin
497 _mv_intr1:
498 movl #0x0002,a0@(0xff6040)
499 movl #0x0209,a0@(0xff6044)
500 movl #0x020c,a0@(0xff6048)
501 movl #0x000f,a0@(0xff604c)
502 movl #0x0027,a0@(0xff6050)
503 movl #0x00c7,a0@(0xff6054)
504 movl #0x00d7,a0@(0xff6058)
505 movl #0x006b,a0@(0xff605c)
506 movl #0x0029,a0@(0xff6060)
507 _mv_intr_fin:
508 movl #0x1,a0@(0xff6014)"
509 : : "g" (slotbase) : "a0","d0","d1");
510 }
511
512 /*
513 * Support for the Colorboard 364 might be more complex than it needs to
514 * be. If we can find more information about this card, this might be
515 * significantly simplified. Contributions welcome... :-)
516 */
517 /*ARGSUSED*/
518 static void
519 grfmv_intr_cb364(vsc)
520 void *vsc;
521 {
522 struct grfbus_softc *sc;
523 volatile char *slotbase;
524
525 sc = (struct grfbus_softc *)vsc;
526 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */
527 asm volatile(" movl %0,a0
528 movl a0@(0xfe6028),d0
529 andl #0x2,d0
530 beq _cb364_intr4
531 movql #0x3,d0
532 movl a0@(0xfe6018),d1
533 movl #0x3,a0@(0xfe6018)
534 movw a0@(0xfe7010),d2
535 movl d1,a0@(0xfe6018)
536 movl a0@(0xfe6020),d1
537 btst #0x06,d2
538 beq _cb364_intr0
539 btst #0x00,d1
540 beq _cb364_intr5
541 bsr _cb364_intr1
542 bra _cb364_intr_out
543 _cb364_intr0:
544 btst #0x00,d1
545 bne _cb364_intr5
546 bsr _cb364_intr1
547 bra _cb364_intr_out
548 _cb364_intr1:
549 movl d0,a0@(0xfe600c)
550 nop
551 tstb d0
552 beq _cb364_intr3
553 movl #0x0002,a0@(0xfe6040)
554 movl #0x0105,a0@(0xfe6048)
555 movl #0x000e,a0@(0xfe604c)
556 movl #0x00c3,a0@(0xfe6058)
557 movl #0x0061,a0@(0xfe605c)
558 btst #0x06,d2
559 beq _cb364_intr2
560 movl #0x001c,a0@(0xfe6050)
561 movl #0x00bc,a0@(0xfe6054)
562 movl #0x0012,a0@(0xfe6060)
563 movl #0x000e,a0@(0xfe6044)
564 movl #0x00c3,a0@(0xfe6064)
565 movl #0x0061,a0@(0xfe6020)
566 rts
567 _cb364_intr2:
568 movl #0x0016,a0@(0xfe6050)
569 movl #0x00b6,a0@(0xfe6054)
570 movl #0x0011,a0@(0xfe6060)
571 movl #0x0101,a0@(0xfe6044)
572 movl #0x00bf,a0@(0xfe6064)
573 movl #0x0001,a0@(0xfe6020)
574 rts
575 _cb364_intr3:
576 movl #0x0002,a0@(0xfe6040)
577 movl #0x0209,a0@(0xfe6044)
578 movl #0x020c,a0@(0xfe6048)
579 movl #0x000f,a0@(0xfe604c)
580 movl #0x0027,a0@(0xfe6050)
581 movl #0x00c7,a0@(0xfe6054)
582 movl #0x00d7,a0@(0xfe6058)
583 movl #0x006b,a0@(0xfe605c)
584 movl #0x0029,a0@(0xfe6060)
585 oril #0x0040,a0@(0xfe6064)
586 movl #0x0000,a0@(0xfe6020)
587 rts
588 _cb364_intr4:
589 movq #0x00,d0
590 _cb364_intr5:
591 movl a0@(0xfe600c),d1
592 andl #0x3,d1
593 cmpl d1,d0
594 beq _cb364_intr_out
595 bsr _cb364_intr1
596 _cb364_intr_out:
597 movl #0x1,a0@(0xfe6014)
598 _cb364_intr_quit:
599 " : : "g" (slotbase) : "a0","d0","d1","d2");
600 }
601
602 /*
603 * Interrupt clearing routine for SuperMac GFX card.
604 */
605 /*ARGSUSED*/
606 static void
607 grfmv_intr_supermacgfx(vsc)
608 void *vsc;
609 {
610 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
611 u_int8_t dummy;
612
613 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3);
614 }
615
616 /*
617 * Routine to clear interrupts for the Sigma Designs ColorMax card.
618 */
619 /*ARGSUSED*/
620 static void
621 grfmv_intr_cmax(vsc)
622 void *vsc;
623 {
624 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
625 u_int32_t dummy;
626
627 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
628 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
629 }
630
631 /*
632 * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card
633 * (for the SE/30).
634 */
635 /*ARGSUSED*/
636 static void
637 grfmv_intr_lapis(vsc)
638 void *vsc;
639 {
640 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
641
642 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
643 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
644 }
645
646 /*
647 * Routine to clear interrupts for the Formac Color Card II
648 */
649 /*ARGSUSED*/
650 static void
651 grfmv_intr_formac(vsc)
652 void *vsc;
653 {
654 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
655 u_int8_t dummy;
656
657 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80db);
658 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80d3);
659 }
660
661 /*
662 * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
663 */
664 /*ARGSUSED*/
665 static void
666 grfmv_intr_vimage(vsc)
667 void *vsc;
668 {
669 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
670
671 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0x67);
672 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0xE7);
673 }
674
675 /*
676 * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
677 */
678 /*ARGSUSED*/
679 static void
680 grfmv_intr_gvimage(vsc)
681 void *vsc;
682 {
683 struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
684 u_int8_t dummy;
685
686 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xf00000);
687 }
688