xref: /netbsd/sys/arch/mac68k/nubus/grf_nubus.c (revision bf9ec67e)
1 /*	$NetBSD: grf_nubus.c,v 1.63 2001/11/20 03:19:44 chs 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. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 /*
29  * Device-specific routines for handling Nubus-based video cards.
30  */
31 
32 #include <sys/param.h>
33 
34 #include <sys/device.h>
35 #include <sys/ioctl.h>
36 #include <sys/file.h>
37 #include <sys/malloc.h>
38 #include <sys/mman.h>
39 #include <sys/proc.h>
40 #include <sys/systm.h>
41 
42 #include <machine/bus.h>
43 #include <machine/cpu.h>
44 #include <machine/grfioctl.h>
45 #include <machine/viareg.h>
46 
47 #include <mac68k/nubus/nubus.h>
48 #include <mac68k/dev/grfvar.h>
49 
50 static void	load_image_data __P((caddr_t data, struct image_data *image));
51 
52 static void	grfmv_intr_generic_write1 __P((void *vsc));
53 static void	grfmv_intr_generic_write4 __P((void *vsc));
54 static void	grfmv_intr_generic_or4 __P((void *vsc));
55 
56 static void	grfmv_intr_cb264 __P((void *vsc));
57 static void	grfmv_intr_cb364 __P((void *vsc));
58 static void	grfmv_intr_cmax __P((void *vsc));
59 static void	grfmv_intr_cti __P((void *vsc));
60 static void	grfmv_intr_radius __P((void *vsc));
61 static void	grfmv_intr_radius24 __P((void *vsc));
62 static void	grfmv_intr_supermacgfx __P((void *vsc));
63 static void	grfmv_intr_lapis __P((void *vsc));
64 static void	grfmv_intr_formac __P((void *vsc));
65 static void	grfmv_intr_vimage __P((void *vsc));
66 static void	grfmv_intr_gvimage __P((void *vsc));
67 static void	grfmv_intr_radius_gsc __P((void *vsc));
68 static void	grfmv_intr_radius_gx __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_basepa = (bus_addr_t)NUBUS_SLOT2PA(na->slot);
149 	sc->sc_fbofs = 0;
150 
151 	if (bus_space_map(sc->sc_tag, sc->sc_basepa, NBMEMSIZE,
152 	    0, &sc->sc_handle)) {
153 		printf(": grfmv_attach: failed to map slot %d\n", na->slot);
154 		return;
155 	}
156 
157 	nubus_get_main_dir(&sc->sc_slot, &dir);
158 
159 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
160 	    &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) {
161 bad:
162 		bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE);
163 		return;
164 	}
165 
166 	nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir);
167 
168 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
169 	    &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0)
170 		if ((na->rsrcid != 128) ||
171 		    (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
172 		    &sc->sc_slot, &dir, 129, &dirent) <= 0))
173 			goto bad;
174 
175 	mode = NUBUS_RSRC_FIRSTMODE;
176 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
177 	    &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) {
178 		printf(": probe failed to get board rsrc.\n");
179 		goto bad;
180 	}
181 
182 	nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir);
183 
184 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
185 	    &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) {
186 		printf(": probe failed to get mode dir.\n");
187 		goto bad;
188 	}
189 
190 	if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot,
191 	    &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) {
192 		printf(": probe failed to get indirect mode data.\n");
193 		goto bad;
194 	}
195 
196 	/* Need to load display info (and driver?), etc... (?) */
197 
198 	load_image_data((caddr_t)&image_store, &image);
199 
200 	gm = &sc->curr_mode;
201 	gm->mode_id = mode;
202 	gm->ptype = image.pixelType;
203 	gm->psize = image.pixelSize;
204 	gm->width = image.right - image.left;
205 	gm->height = image.bottom - image.top;
206 	gm->rowbytes = image.rowbytes;
207 	gm->hres = image.hRes;
208 	gm->vres = image.vRes;
209 	gm->fbsize = gm->height * gm->rowbytes;
210 	gm->fbbase = (caddr_t)(sc->sc_handle.base);	/* XXX evil hack */
211 	gm->fboff = image.offset;
212 
213 	strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle,
214 	    &sc->sc_slot), CARD_NAME_LEN);
215 	cardname[CARD_NAME_LEN-1] = '\0';
216 	printf(": %s\n", cardname);
217 
218 	if (sc->card_id == NUBUS_DRHW_TFB) {
219 		/*
220 		 * This is the Toby card, but apparently some manufacturers
221 		 * (like Cornerstone) didn't bother to get/use their own
222 		 * value here, even though the cards are different, so we
223 		 * so we try to differentiate here.
224 		 */
225 		if (strncmp(cardname, "Samsung 768", 11) == 0)
226 			sc->card_id = NUBUS_DRHW_SAM768;
227 		else if (strncmp(cardname, "Toby frame", 10) != 0)
228 			printf("%s: This display card pretends to be a TFB!\n",
229 			    sc->sc_dev.dv_xname);
230 	}
231 
232 	switch (sc->card_id) {
233 	case NUBUS_DRHW_TFB:
234 	case NUBUS_DRHW_M2HRVC:
235 	case NUBUS_DRHW_PVC:
236 		sc->cli_offset = 0xa0000;
237 		sc->cli_value = 0;
238 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
239 		break;
240 	case NUBUS_DRHW_WVC:
241 		sc->cli_offset = 0xa00000;
242 		sc->cli_value = 0;
243 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
244 		break;
245 	case NUBUS_DRHW_COLORMAX:
246 		add_nubus_intr(na->slot, grfmv_intr_cmax, sc);
247 		break;
248 	case NUBUS_DRHW_SE30:
249 		/* Do nothing--SE/30 interrupts are disabled */
250 		break;
251 	case NUBUS_DRHW_MDC:
252 		sc->cli_offset = 0x200148;
253 		sc->cli_value = 1;
254 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
255 
256 		/* Enable interrupts; to disable, write 0x7 to this location */
257 		bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5);
258 		break;
259 	case NUBUS_DRHW_CB264:
260 		add_nubus_intr(na->slot, grfmv_intr_cb264, sc);
261 		break;
262 	case NUBUS_DRHW_CB364:
263 		add_nubus_intr(na->slot, grfmv_intr_cb364, sc);
264 		break;
265 	case NUBUS_DRHW_RPC8:
266 		sc->cli_offset = 0xfdff8f;
267 		sc->cli_value = 0xff;
268 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
269 		break;
270 	case NUBUS_DRHW_RPC8XJ:
271 		sc->cli_value = 0x66;
272 		add_nubus_intr(na->slot, grfmv_intr_radius, sc);
273 		break;
274 	case NUBUS_DRHW_RPC24X:
275 	case NUBUS_DRHW_BOOGIE:
276 		sc->cli_value = 0x64;
277 		add_nubus_intr(na->slot, grfmv_intr_radius, sc);
278 		break;
279 	case NUBUS_DRHW_RPC24XP:
280 		add_nubus_intr(na->slot, grfmv_intr_radius24, sc);
281 		break;
282 	case NUBUS_DRHW_RADGSC:
283 		add_nubus_intr(na->slot, grfmv_intr_radius_gsc, sc);
284 		break;
285 	case NUBUS_DRHW_RDCGX:
286 		add_nubus_intr(na->slot, grfmv_intr_radius_gx, sc);
287 		break;
288 	case NUBUS_DRHW_FIILX:
289 	case NUBUS_DRHW_FIISXDSP:
290 	case NUBUS_DRHW_FUTURASX:
291 		sc->cli_offset = 0xf05000;
292 		sc->cli_value = 0x80;
293 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
294 		break;
295 	case NUBUS_DRHW_SAM768:
296 		add_nubus_intr(na->slot, grfmv_intr_cti, sc);
297 		break;
298 	case NUBUS_DRHW_SUPRGFX:
299 		add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
300 		break;
301 	case NUBUS_DRHW_SPECTRM8:
302 		sc->cli_offset = 0x0de178;
303 		sc->cli_value = 0x80;
304 		add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc);
305 		break;
306 	case NUBUS_DRHW_LAPIS:
307 		add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
308 		break;
309 	case NUBUS_DRHW_FORMAC:
310 		add_nubus_intr(na->slot, grfmv_intr_formac, sc);
311 		break;
312 	case NUBUS_DRHW_ROPS24LXI:
313 	case NUBUS_DRHW_ROPS24XLTV:
314 	case NUBUS_DRHW_ROPS24MXTV:
315 		sc->cli_offset = 0xfb0010;
316 		sc->cli_value = 0x00;
317 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
318 		break;
319 	case NUBUS_DRHW_ROPSPPGT:
320 		sc->cli_offset = 0xf50010;
321 		sc->cli_value = 0x02;
322 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
323 		break;
324 	case NUBUS_DRHW_VIMAGE:
325 		add_nubus_intr(na->slot, grfmv_intr_vimage, sc);
326 		break;
327 	case NUBUS_DRHW_GVIMAGE:
328 		add_nubus_intr(na->slot, grfmv_intr_gvimage, sc);
329 		break;
330 	case NUBUS_DRHW_MC2124NB:
331 		sc->cli_offset = 0xfd1000;
332 		sc->cli_value = 0x00;
333 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
334 		break;
335 	case NUBUS_DRHW_MICRON:
336 		sc->cli_offset = 0xa00014;
337 		sc->cli_value = 0;
338 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
339 		break;
340 	default:
341 		printf("%s: Unknown video card ID 0x%x --",
342 		    sc->sc_dev.dv_xname, sc->card_id);
343 		printf(" Not installing interrupt routine.\n");
344 		break;
345 	}
346 
347 	/* Perform common video attachment. */
348 	grf_establish(sc, &sc->sc_slot, grfmv_mode);
349 }
350 
351 static int
352 grfmv_mode(gp, cmd, arg)
353 	struct grf_softc *gp;
354 	int cmd;
355 	void *arg;
356 {
357 	switch (cmd) {
358 	case GM_GRFON:
359 	case GM_GRFOFF:
360 		return 0;
361 	case GM_CURRMODE:
362 		break;
363 	case GM_NEWMODE:
364 		break;
365 	case GM_LISTMODES:
366 		break;
367 	}
368 	return EINVAL;
369 }
370 
371 /* Interrupt handlers... */
372 /*
373  * Generic routine to clear interrupts for cards where it simply takes
374  * a MOV.B to clear the interrupt.  The offset and value of this byte
375  * varies between cards.
376  */
377 /*ARGSUSED*/
378 static void
379 grfmv_intr_generic_write1(vsc)
380 	void	*vsc;
381 {
382 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
383 
384 	bus_space_write_1(sc->sc_tag, sc->sc_handle,
385 	    sc->cli_offset, (u_int8_t)sc->cli_value);
386 }
387 
388 /*
389  * Generic routine to clear interrupts for cards where it simply takes
390  * a MOV.L to clear the interrupt.  The offset and value of this byte
391  * varies between cards.
392  */
393 /*ARGSUSED*/
394 static void
395 grfmv_intr_generic_write4(vsc)
396 	void	*vsc;
397 {
398 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
399 
400 	bus_space_write_4(sc->sc_tag, sc->sc_handle,
401 	    sc->cli_offset, sc->cli_value);
402 }
403 
404 /*
405  * Generic routine to clear interrupts for cards where it simply takes
406  * an OR.L to clear the interrupt.  The offset and value of this byte
407  * varies between cards.
408  */
409 /*ARGSUSED*/
410 static void
411 grfmv_intr_generic_or4(vsc)
412 	void	*vsc;
413 {
414 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
415 	unsigned long	scratch;
416 
417 	scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset);
418 	scratch |= 0x80;
419 	bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch);
420 }
421 
422 /*
423  * Routine to clear interrupts for the Radius PrecisionColor 8xj card.
424  */
425 /*ARGSUSED*/
426 static void
427 grfmv_intr_radius(vsc)
428 	void	*vsc;
429 {
430 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
431 	u_int8_t c;
432 
433 	c = sc->cli_value;
434 
435 	c |= 0x80;
436 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
437 	c &= 0x7f;
438 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
439 }
440 
441 /*
442  * Routine to clear interrupts for the Radius PrecisionColor 24Xp card.
443  * Is this what the 8xj routine is doing, too?
444  */
445 /*ARGSUSED*/
446 static void
447 grfmv_intr_radius24(vsc)
448 	void	*vsc;
449 {
450 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
451 	u_int8_t c;
452 
453 	c = 0x80 | bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfffd8);
454 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
455 	c &= 0x7f;
456 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
457 }
458 
459 /*
460  * Routine to clear interrupts on Samsung 768x1006 video controller.
461  * This controller was manufactured by Cornerstone Technology, Inc.,
462  * now known as Cornerstone Imaging.
463  *
464  * To clear this interrupt, we apparently have to set, then clear,
465  * bit 2 at byte offset 0x80000 from the card's base.
466  *	Information for this provided by Brad Salai <bsalai@servtech.com>
467  */
468 /*ARGSUSED*/
469 static void
470 grfmv_intr_cti(vsc)
471 	void	*vsc;
472 {
473 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
474 	u_int8_t c;
475 
476 	c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000);
477 	c |= 0x02;
478 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
479 	c &= 0xfd;
480 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
481 }
482 
483 /*ARGSUSED*/
484 static void
485 grfmv_intr_cb264(vsc)
486 	void	*vsc;
487 {
488 	struct grfbus_softc *sc;
489 	volatile char *slotbase;
490 
491 	sc = (struct grfbus_softc *)vsc;
492 	slotbase = (volatile char *)(sc->sc_handle.base); /* XXX evil hack */
493 	asm volatile("	movl	%0,%%a0
494 			movl	%%a0@(0xff6028),%%d0
495 			andl	#0x2,%%d0
496 			beq	_mv_intr0
497 			movql	#0x3,%%d0
498 		_mv_intr0:
499 			movl	%%a0@(0xff600c),%%d1
500 			andl	#0x3,%%d1
501 			cmpl	%%d1,%%d0
502 			beq	_mv_intr_fin
503 			movl	%%d0,%%a0@(0xff600c)
504 			nop
505 			tstb	%%d0
506 			beq	_mv_intr1
507 			movl	#0x0002,%%a0@(0xff6040)
508 			movl	#0x0102,%%a0@(0xff6044)
509 			movl	#0x0105,%%a0@(0xff6048)
510 			movl	#0x000e,%%a0@(0xff604c)
511 			movl	#0x001c,%%a0@(0xff6050)
512 			movl	#0x00bc,%%a0@(0xff6054)
513 			movl	#0x00c3,%%a0@(0xff6058)
514 			movl	#0x0061,%%a0@(0xff605c)
515 			movl	#0x0012,%%a0@(0xff6060)
516 			bra	_mv_intr_fin
517 		_mv_intr1:
518 			movl	#0x0002,%%a0@(0xff6040)
519 			movl	#0x0209,%%a0@(0xff6044)
520 			movl	#0x020c,%%a0@(0xff6048)
521 			movl	#0x000f,%%a0@(0xff604c)
522 			movl	#0x0027,%%a0@(0xff6050)
523 			movl	#0x00c7,%%a0@(0xff6054)
524 			movl	#0x00d7,%%a0@(0xff6058)
525 			movl	#0x006b,%%a0@(0xff605c)
526 			movl	#0x0029,%%a0@(0xff6060)
527 		_mv_intr_fin:
528 			movl	#0x1,%%a0@(0xff6014)"
529 		: : "g" (slotbase) : "a0","d0","d1");
530 }
531 
532 /*
533  * Support for the Colorboard 364 might be more complex than it needs to
534  * be.  If we can find more information about this card, this might be
535  * significantly simplified.  Contributions welcome...  :-)
536  */
537 /*ARGSUSED*/
538 static void
539 grfmv_intr_cb364(vsc)
540 	void	*vsc;
541 {
542 	struct grfbus_softc *sc;
543 	volatile char *slotbase;
544 
545 	sc = (struct grfbus_softc *)vsc;
546 	slotbase = (volatile char *)(sc->sc_handle.base); /* XXX evil hack */
547 	asm volatile("	movl	%0,%%a0
548 			movl	%%a0@(0xfe6028),%%d0
549 			andl	#0x2,%%d0
550 			beq	_cb364_intr4
551 			movql	#0x3,%%d0
552 			movl	%%a0@(0xfe6018),%%d1
553 			movl	#0x3,%%a0@(0xfe6018)
554 			movw	%%a0@(0xfe7010),%%d2
555 			movl	%%d1,%%a0@(0xfe6018)
556 			movl	%%a0@(0xfe6020),%%d1
557 			btst	#0x06,%%d2
558 			beq	_cb364_intr0
559 			btst	#0x00,%%d1
560 			beq	_cb364_intr5
561 			bsr	_cb364_intr1
562 			bra	_cb364_intr_out
563 		_cb364_intr0:
564 			btst	#0x00,%%d1
565 			bne	_cb364_intr5
566 			bsr	_cb364_intr1
567 			bra	_cb364_intr_out
568 		_cb364_intr1:
569 			movl	%%d0,%%a0@(0xfe600c)
570 			nop
571 			tstb	%%d0
572 			beq	_cb364_intr3
573 			movl	#0x0002,%%a0@(0xfe6040)
574 			movl	#0x0105,%%a0@(0xfe6048)
575 			movl	#0x000e,%%a0@(0xfe604c)
576 			movl	#0x00c3,%%a0@(0xfe6058)
577 			movl	#0x0061,%%a0@(0xfe605c)
578 			btst	#0x06,%%d2
579 			beq	_cb364_intr2
580 			movl	#0x001c,%%a0@(0xfe6050)
581 			movl	#0x00bc,%%a0@(0xfe6054)
582 			movl	#0x0012,%%a0@(0xfe6060)
583 			movl	#0x000e,%%a0@(0xfe6044)
584 			movl	#0x00c3,%%a0@(0xfe6064)
585 			movl	#0x0061,%%a0@(0xfe6020)
586 			rts
587 		_cb364_intr2:
588 			movl	#0x0016,%%a0@(0xfe6050)
589 			movl	#0x00b6,%%a0@(0xfe6054)
590 			movl	#0x0011,%%a0@(0xfe6060)
591 			movl	#0x0101,%%a0@(0xfe6044)
592 			movl	#0x00bf,%%a0@(0xfe6064)
593 			movl	#0x0001,%%a0@(0xfe6020)
594 			rts
595 		_cb364_intr3:
596 			movl	#0x0002,%%a0@(0xfe6040)
597 			movl	#0x0209,%%a0@(0xfe6044)
598 			movl	#0x020c,%%a0@(0xfe6048)
599 			movl	#0x000f,%%a0@(0xfe604c)
600 			movl	#0x0027,%%a0@(0xfe6050)
601 			movl	#0x00c7,%%a0@(0xfe6054)
602 			movl	#0x00d7,%%a0@(0xfe6058)
603 			movl	#0x006b,%%a0@(0xfe605c)
604 			movl	#0x0029,%%a0@(0xfe6060)
605 			oril	#0x0040,%%a0@(0xfe6064)
606 			movl	#0x0000,%%a0@(0xfe6020)
607 			rts
608 		_cb364_intr4:
609 			movq	#0x00,%%d0
610 		_cb364_intr5:
611 			movl	%%a0@(0xfe600c),%%d1
612 			andl	#0x3,%%d1
613 			cmpl	%%d1,%%d0
614 			beq	_cb364_intr_out
615 			bsr	_cb364_intr1
616 		_cb364_intr_out:
617 			movl	#0x1,%%a0@(0xfe6014)
618 		_cb364_intr_quit:
619 		" : : "g" (slotbase) : "a0","d0","d1","d2");
620 }
621 
622 /*
623  * Interrupt clearing routine for SuperMac GFX card.
624  */
625 /*ARGSUSED*/
626 static void
627 grfmv_intr_supermacgfx(vsc)
628 	void	*vsc;
629 {
630 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
631 	u_int8_t dummy;
632 
633 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3);
634 }
635 
636 /*
637  * Routine to clear interrupts for the Sigma Designs ColorMax card.
638  */
639 /*ARGSUSED*/
640 static void
641 grfmv_intr_cmax(vsc)
642 	void	*vsc;
643 {
644 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
645 	u_int32_t dummy;
646 
647 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
648 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
649 }
650 
651 /*
652  * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card
653  * (for the SE/30).
654  */
655 /*ARGSUSED*/
656 static void
657 grfmv_intr_lapis(vsc)
658 	void	*vsc;
659 {
660 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
661 
662 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
663 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
664 }
665 
666 /*
667  * Routine to clear interrupts for the Formac Color Card II
668  */
669 /*ARGSUSED*/
670 static void
671 grfmv_intr_formac(vsc)
672 	void	*vsc;
673 {
674 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
675 	u_int8_t dummy;
676 
677 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80db);
678 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80d3);
679 }
680 
681 /*
682  * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
683  */
684 /*ARGSUSED*/
685 static void
686 grfmv_intr_vimage(vsc)
687 	void	*vsc;
688 {
689 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
690 
691 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0x67);
692 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0xE7);
693 }
694 
695 /*
696  * Routine to clear interrupts for the Grand Vimage by Interware Co., Ltd.
697  */
698 /*ARGSUSED*/
699 static void
700 grfmv_intr_gvimage(vsc)
701 	void	*vsc;
702 {
703 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
704 	u_int8_t dummy;
705 
706 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xf00000);
707 }
708 
709 /*
710  * Routine to clear interrupts for the Radius GS/C
711  */
712 /*ARGSUSED*/
713 static void
714 grfmv_intr_radius_gsc(vsc)
715 	void	*vsc;
716 {
717 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
718 	u_int8_t dummy;
719 
720 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfb802);
721 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xfb802, 0xff);
722 }
723 
724 /*
725  * Routine to clear interrupts for the Radius GS/C
726  */
727 /*ARGSUSED*/
728 static void
729 grfmv_intr_radius_gx(vsc)
730 	void	*vsc;
731 {
732 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
733 
734 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x600000, 0x00);
735 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x600000, 0x20);
736 }
737