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grf_nubus.c revision 1.49
      1 /*	$NetBSD: grf_nubus.c,v 1.49 1998/08/12 02:36:38 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 "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_basepa = (bus_addr_t)NUBUS_SLOT2PA(na->slot);
    152 	sc->sc_fbofs = 0;
    153 
    154 	if (bus_space_map(sc->sc_tag, sc->sc_basepa, NBMEMSIZE,
    155 	    0, &sc->sc_handle)) {
    156 		printf(": grfmv_attach: failed to map slot %d\n", na->slot);
    157 		return;
    158 	}
    159 
    160 	nubus_get_main_dir(&sc->sc_slot, &dir);
    161 
    162 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
    163 	    &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) {
    164 bad:
    165 		bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE);
    166 		return;
    167 	}
    168 
    169 	nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir);
    170 
    171 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
    172 	    &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0)
    173 		if ((na->rsrcid != 128) ||
    174 		    (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
    175 		    &sc->sc_slot, &dir, 129, &dirent) <= 0))
    176 			goto bad;
    177 
    178 	mode = NUBUS_RSRC_FIRSTMODE;
    179 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
    180 	    &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) {
    181 		printf(": probe failed to get board rsrc.\n");
    182 		goto bad;
    183 	}
    184 
    185 	nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir);
    186 
    187 	if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle,
    188 	    &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) {
    189 		printf(": probe failed to get mode dir.\n");
    190 		goto bad;
    191 	}
    192 
    193 	if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot,
    194 	    &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) {
    195 		printf(": probe failed to get indirect mode data.\n");
    196 		goto bad;
    197 	}
    198 
    199 	/* Need to load display info (and driver?), etc... (?) */
    200 
    201 	load_image_data((caddr_t)&image_store, &image);
    202 
    203 	gm = &sc->curr_mode;
    204 	gm->mode_id = mode;
    205 	gm->ptype = image.pixelType;
    206 	gm->psize = image.pixelSize;
    207 	gm->width = image.right - image.left;
    208 	gm->height = image.bottom - image.top;
    209 	gm->rowbytes = image.rowbytes;
    210 	gm->hres = image.hRes;
    211 	gm->vres = image.vRes;
    212 	gm->fbsize = gm->height * gm->rowbytes;
    213 	gm->fbbase = (caddr_t)sc->sc_handle;	/* XXX evil hack */
    214 	gm->fboff = image.offset;
    215 
    216 	strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle,
    217 	    &sc->sc_slot), CARD_NAME_LEN);
    218 	cardname[CARD_NAME_LEN-1] = '\0';
    219 	printf(": %s\n", cardname);
    220 
    221 	if (sc->card_id == NUBUS_DRHW_TFB) {
    222 		/*
    223 		 * This is the Toby card, but apparently some manufacturers
    224 		 * (like Cornerstone) didn't bother to get/use their own
    225 		 * value here, even though the cards are different, so we
    226 		 * so we try to differentiate here.
    227 		 */
    228 		if (strncmp(cardname, "Samsung 768", 11) == 0)
    229 			sc->card_id = NUBUS_DRHW_SAM768;
    230 		else if (strncmp(cardname, "Toby frame", 10) != 0)
    231 			printf("%s: This display card pretends to be a TFB!\n",
    232 			    sc->sc_dev.dv_xname);
    233 	}
    234 
    235 	switch (sc->card_id) {
    236 	case NUBUS_DRHW_TFB:
    237 	case NUBUS_DRHW_M2HRVC:
    238 	case NUBUS_DRHW_PVC:
    239 		sc->cli_offset = 0xa0000;
    240 		sc->cli_value = 0;
    241 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
    242 		break;
    243 	case NUBUS_DRHW_WVC:
    244 		sc->cli_offset = 0xa00000;
    245 		sc->cli_value = 0;
    246 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
    247 		break;
    248 	case NUBUS_DRHW_COLORMAX:
    249 		add_nubus_intr(na->slot, grfmv_intr_cmax, sc);
    250 		break;
    251 	case NUBUS_DRHW_SE30:
    252 		/* Do nothing--SE/30 interrupts are disabled */
    253 		break;
    254 	case NUBUS_DRHW_MDC:
    255 		sc->cli_offset = 0x200148;
    256 		sc->cli_value = 1;
    257 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
    258 
    259 		/* Enable interrupts; to disable, write 0x7 to this location */
    260 		bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5);
    261 		break;
    262 	case NUBUS_DRHW_CB264:
    263 		add_nubus_intr(na->slot, grfmv_intr_cb264, sc);
    264 		break;
    265 	case NUBUS_DRHW_CB364:
    266 		add_nubus_intr(na->slot, grfmv_intr_cb364, sc);
    267 		break;
    268 	case NUBUS_DRHW_RPC8:
    269 		sc->cli_offset = 0xfdff8f;
    270 		sc->cli_value = 0xff;
    271 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
    272 		break;
    273 	case NUBUS_DRHW_RPC8XJ:
    274 		sc->cli_value = 0x66;
    275 		add_nubus_intr(na->slot, grfmv_intr_radius, sc);
    276 		break;
    277 	case NUBUS_DRHW_RPC24X:
    278 		sc->cli_value = 0x64;
    279 		add_nubus_intr(na->slot, grfmv_intr_radius, sc);
    280 		break;
    281 	case NUBUS_DRHW_RPC24XP:
    282 		add_nubus_intr(na->slot, grfmv_intr_radius24, sc);
    283 		break;
    284 	case NUBUS_DRHW_FIILX:
    285 	case NUBUS_DRHW_FIISXDSP:
    286 	case NUBUS_DRHW_FUTURASX:
    287 		sc->cli_offset = 0xf05000;
    288 		sc->cli_value = 0x80;
    289 		add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc);
    290 		break;
    291 	case NUBUS_DRHW_SAM768:
    292 		add_nubus_intr(na->slot, grfmv_intr_cti, sc);
    293 		break;
    294 	case NUBUS_DRHW_SUPRGFX:
    295 		add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc);
    296 		break;
    297 	case NUBUS_DRHW_SPECTRM8:
    298 		sc->cli_offset = 0x0de178;
    299 		sc->cli_value = 0x80;
    300 		add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc);
    301 		break;
    302 	case NUBUS_DRHW_LAPIS:
    303 		add_nubus_intr(na->slot, grfmv_intr_lapis, sc);
    304 		break;
    305 	case NUBUS_DRHW_FORMAC:
    306 		add_nubus_intr(na->slot, grfmv_intr_formac, sc);
    307 		break;
    308 	case NUBUS_DRHW_ROPS24LXI:
    309 		sc->cli_offset = 0xfb0010;
    310 		sc->cli_value = 0x00;
    311 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
    312 		break;
    313 	case NUBUS_DRHW_VIMAGE:
    314 		add_nubus_intr(na->slot, grfmv_intr_vimage, sc);
    315 		break;
    316 	case NUBUS_DRHW_GVIMAGE:
    317 		add_nubus_intr(na->slot, grfmv_intr_gvimage, sc);
    318 		break;
    319 	case NUBUS_DRHW_MICRON:
    320 		/* What do we know about this one? */
    321 	default:
    322 		printf("%s: Unknown video card ID 0x%x --",
    323 		    sc->sc_dev.dv_xname, sc->card_id);
    324 		printf(" Not installing interrupt routine.\n");
    325 		break;
    326 	}
    327 
    328 	/* Perform common video attachment. */
    329 	grf_establish(sc, &sc->sc_slot, grfmv_mode);
    330 }
    331 
    332 static int
    333 grfmv_mode(gp, cmd, arg)
    334 	struct grf_softc *gp;
    335 	int cmd;
    336 	void *arg;
    337 {
    338 	switch (cmd) {
    339 	case GM_GRFON:
    340 	case GM_GRFOFF:
    341 		return 0;
    342 	case GM_CURRMODE:
    343 		break;
    344 	case GM_NEWMODE:
    345 		break;
    346 	case GM_LISTMODES:
    347 		break;
    348 	}
    349 	return EINVAL;
    350 }
    351 
    352 /* Interrupt handlers... */
    353 /*
    354  * Generic routine to clear interrupts for cards where it simply takes
    355  * a MOV.B to clear the interrupt.  The offset and value of this byte
    356  * varies between cards.
    357  */
    358 /*ARGSUSED*/
    359 static void
    360 grfmv_intr_generic_write1(vsc)
    361 	void	*vsc;
    362 {
    363 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    364 
    365 	bus_space_write_1(sc->sc_tag, sc->sc_handle,
    366 	    sc->cli_offset, (u_int8_t)sc->cli_value);
    367 }
    368 
    369 /*
    370  * Generic routine to clear interrupts for cards where it simply takes
    371  * a MOV.L to clear the interrupt.  The offset and value of this byte
    372  * varies between cards.
    373  */
    374 /*ARGSUSED*/
    375 static void
    376 grfmv_intr_generic_write4(vsc)
    377 	void	*vsc;
    378 {
    379 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    380 
    381 	bus_space_write_4(sc->sc_tag, sc->sc_handle,
    382 	    sc->cli_offset, sc->cli_value);
    383 }
    384 
    385 /*
    386  * Generic routine to clear interrupts for cards where it simply takes
    387  * an OR.L to clear the interrupt.  The offset and value of this byte
    388  * varies between cards.
    389  */
    390 /*ARGSUSED*/
    391 static void
    392 grfmv_intr_generic_or4(vsc)
    393 	void	*vsc;
    394 {
    395 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    396 	unsigned long	scratch;
    397 
    398 	scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset);
    399 	scratch |= 0x80;
    400 	bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch);
    401 }
    402 
    403 /*
    404  * Routine to clear interrupts for the Radius PrecisionColor 8xj card.
    405  */
    406 /*ARGSUSED*/
    407 static void
    408 grfmv_intr_radius(vsc)
    409 	void	*vsc;
    410 {
    411 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    412 	u_int8_t c;
    413 
    414 	c = sc->cli_value;
    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 
    676 /*
    677  * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
    678  */
    679 /*ARGSUSED*/
    680 static void
    681 grfmv_intr_gvimage(vsc)
    682 	void	*vsc;
    683 {
    684 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    685 	u_int8_t dummy;
    686 
    687 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xf00000);
    688 }
    689