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grf_nubus.c revision 1.58
      1 /*	$NetBSD: grf_nubus.c,v 1.58 2000/07/26 04:35:46 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. 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 
     69 static int	grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg));
     70 static int	grfmv_match __P((struct device *, struct cfdata *, void *));
     71 static void	grfmv_attach __P((struct device *, struct device *, void *));
     72 
     73 struct cfattach macvid_ca = {
     74 	sizeof(struct grfbus_softc), grfmv_match, grfmv_attach
     75 };
     76 
     77 static void
     78 load_image_data(data, image)
     79 	caddr_t	data;
     80 	struct	image_data *image;
     81 {
     82 	bcopy(data     , &image->size,       4);
     83 	bcopy(data +  4, &image->offset,     4);
     84 	bcopy(data +  8, &image->rowbytes,   2);
     85 	bcopy(data + 10, &image->top,        2);
     86 	bcopy(data + 12, &image->left,       2);
     87 	bcopy(data + 14, &image->bottom,     2);
     88 	bcopy(data + 16, &image->right,      2);
     89 	bcopy(data + 18, &image->version,    2);
     90 	bcopy(data + 20, &image->packType,   2);
     91 	bcopy(data + 22, &image->packSize,   4);
     92 	bcopy(data + 26, &image->hRes,       4);
     93 	bcopy(data + 30, &image->vRes,       4);
     94 	bcopy(data + 34, &image->pixelType,  2);
     95 	bcopy(data + 36, &image->pixelSize,  2);
     96 	bcopy(data + 38, &image->cmpCount,   2);
     97 	bcopy(data + 40, &image->cmpSize,    2);
     98 	bcopy(data + 42, &image->planeBytes, 4);
     99 }
    100 
    101 
    102 static int
    103 grfmv_match(parent, cf, aux)
    104 	struct device *parent;
    105 	struct cfdata *cf;
    106 	void *aux;
    107 {
    108 	struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
    109 
    110 	if (na->category != NUBUS_CATEGORY_DISPLAY)
    111 		return 0;
    112 
    113 	if (na->type != NUBUS_TYPE_VIDEO)
    114 		return 0;
    115 
    116 	if (na->drsw != NUBUS_DRSW_APPLE)
    117 		return 0;
    118 
    119 	/*
    120 	 * If we've gotten this far, then we're dealing with a real-live
    121 	 * Apple QuickDraw-compatible display card resource.  Now, how to
    122 	 * determine that this is an active resource???  Dunno.  But we'll
    123 	 * proceed like it is.
    124 	 */
    125 
    126 	return 1;
    127 }
    128 
    129 static void
    130 grfmv_attach(parent, self, aux)
    131 	struct device *parent, *self;
    132 	void *aux;
    133 {
    134 	struct grfbus_softc *sc = (struct grfbus_softc *)self;
    135 	struct nubus_attach_args *na = (struct nubus_attach_args *)aux;
    136 	struct image_data image_store, image;
    137 	struct grfmode *gm;
    138 	char cardname[CARD_NAME_LEN];
    139 	nubus_dirent dirent;
    140 	nubus_dir dir, mode_dir;
    141 	int mode;
    142 
    143 	bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot));
    144 
    145 	sc->sc_tag = na->na_tag;
    146 	sc->card_id = na->drhw;
    147 	sc->sc_basepa = (bus_addr_t)NUBUS_SLOT2PA(na->slot);
    148 	sc->sc_fbofs = 0;
    149 
    150 	if (bus_space_map(sc->sc_tag, sc->sc_basepa, 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->ptype = image.pixelType;
    202 	gm->psize = image.pixelSize;
    203 	gm->width = image.right - image.left;
    204 	gm->height = image.bottom - image.top;
    205 	gm->rowbytes = image.rowbytes;
    206 	gm->hres = image.hRes;
    207 	gm->vres = image.vRes;
    208 	gm->fbsize = gm->height * gm->rowbytes;
    209 	gm->fbbase = (caddr_t)sc->sc_handle;	/* XXX evil hack */
    210 	gm->fboff = image.offset;
    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_RADGSC:
    281 		add_nubus_intr(na->slot, grfmv_intr_radius_gsc, 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 	case NUBUS_DRHW_ROPS24XLTV:
    309 	case NUBUS_DRHW_ROPS24MXTV:
    310 		sc->cli_offset = 0xfb0010;
    311 		sc->cli_value = 0x00;
    312 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
    313 		break;
    314 	case NUBUS_DRHW_VIMAGE:
    315 		add_nubus_intr(na->slot, grfmv_intr_vimage, sc);
    316 		break;
    317 	case NUBUS_DRHW_GVIMAGE:
    318 		add_nubus_intr(na->slot, grfmv_intr_gvimage, sc);
    319 		break;
    320 	case NUBUS_DRHW_MC2124NB:
    321 		sc->cli_offset = 0xfd1000;
    322 		sc->cli_value = 0x00;
    323 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
    324 		break;
    325 	case NUBUS_DRHW_MICRON:
    326 		sc->cli_offset = 0xa00014;
    327 		sc->cli_value = 0;
    328 		add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc);
    329 		break;
    330 	default:
    331 		printf("%s: Unknown video card ID 0x%x --",
    332 		    sc->sc_dev.dv_xname, sc->card_id);
    333 		printf(" Not installing interrupt routine.\n");
    334 		break;
    335 	}
    336 
    337 	/* Perform common video attachment. */
    338 	grf_establish(sc, &sc->sc_slot, grfmv_mode);
    339 }
    340 
    341 static int
    342 grfmv_mode(gp, cmd, arg)
    343 	struct grf_softc *gp;
    344 	int cmd;
    345 	void *arg;
    346 {
    347 	switch (cmd) {
    348 	case GM_GRFON:
    349 	case GM_GRFOFF:
    350 		return 0;
    351 	case GM_CURRMODE:
    352 		break;
    353 	case GM_NEWMODE:
    354 		break;
    355 	case GM_LISTMODES:
    356 		break;
    357 	}
    358 	return EINVAL;
    359 }
    360 
    361 /* Interrupt handlers... */
    362 /*
    363  * Generic routine to clear interrupts for cards where it simply takes
    364  * a MOV.B 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_write1(vsc)
    370 	void	*vsc;
    371 {
    372 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    373 
    374 	bus_space_write_1(sc->sc_tag, sc->sc_handle,
    375 	    sc->cli_offset, (u_int8_t)sc->cli_value);
    376 }
    377 
    378 /*
    379  * Generic routine to clear interrupts for cards where it simply takes
    380  * a MOV.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_write4(vsc)
    386 	void	*vsc;
    387 {
    388 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    389 
    390 	bus_space_write_4(sc->sc_tag, sc->sc_handle,
    391 	    sc->cli_offset, sc->cli_value);
    392 }
    393 
    394 /*
    395  * Generic routine to clear interrupts for cards where it simply takes
    396  * an OR.L to clear the interrupt.  The offset and value of this byte
    397  * varies between cards.
    398  */
    399 /*ARGSUSED*/
    400 static void
    401 grfmv_intr_generic_or4(vsc)
    402 	void	*vsc;
    403 {
    404 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    405 	unsigned long	scratch;
    406 
    407 	scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset);
    408 	scratch |= 0x80;
    409 	bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch);
    410 }
    411 
    412 /*
    413  * Routine to clear interrupts for the Radius PrecisionColor 8xj card.
    414  */
    415 /*ARGSUSED*/
    416 static void
    417 grfmv_intr_radius(vsc)
    418 	void	*vsc;
    419 {
    420 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    421 	u_int8_t c;
    422 
    423 	c = sc->cli_value;
    424 
    425 	c |= 0x80;
    426 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
    427 	c &= 0x7f;
    428 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
    429 }
    430 
    431 /*
    432  * Routine to clear interrupts for the Radius PrecisionColor 24Xp card.
    433  * Is this what the 8xj routine is doing, too?
    434  */
    435 /*ARGSUSED*/
    436 static void
    437 grfmv_intr_radius24(vsc)
    438 	void	*vsc;
    439 {
    440 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    441 	u_int8_t c;
    442 
    443 	c = 0x80 | bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfffd8);
    444 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
    445 	c &= 0x7f;
    446 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c);
    447 }
    448 
    449 /*
    450  * Routine to clear interrupts on Samsung 768x1006 video controller.
    451  * This controller was manufactured by Cornerstone Technology, Inc.,
    452  * now known as Cornerstone Imaging.
    453  *
    454  * To clear this interrupt, we apparently have to set, then clear,
    455  * bit 2 at byte offset 0x80000 from the card's base.
    456  *	Information for this provided by Brad Salai <bsalai (at) servtech.com>
    457  */
    458 /*ARGSUSED*/
    459 static void
    460 grfmv_intr_cti(vsc)
    461 	void	*vsc;
    462 {
    463 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    464 	u_int8_t c;
    465 
    466 	c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000);
    467 	c |= 0x02;
    468 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
    469 	c &= 0xfd;
    470 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c);
    471 }
    472 
    473 /*ARGSUSED*/
    474 static void
    475 grfmv_intr_cb264(vsc)
    476 	void	*vsc;
    477 {
    478 	struct grfbus_softc *sc;
    479 	volatile char *slotbase;
    480 
    481 	sc = (struct grfbus_softc *)vsc;
    482 	slotbase = (volatile char *)sc->sc_handle;	/* XXX evil hack */
    483 	asm volatile("	movl	%0,a0
    484 			movl	a0@(0xff6028),d0
    485 			andl	#0x2,d0
    486 			beq	_mv_intr0
    487 			movql	#0x3,d0
    488 		_mv_intr0:
    489 			movl	a0@(0xff600c),d1
    490 			andl	#0x3,d1
    491 			cmpl	d1,d0
    492 			beq	_mv_intr_fin
    493 			movl	d0,a0@(0xff600c)
    494 			nop
    495 			tstb	d0
    496 			beq	_mv_intr1
    497 			movl	#0x0002,a0@(0xff6040)
    498 			movl	#0x0102,a0@(0xff6044)
    499 			movl	#0x0105,a0@(0xff6048)
    500 			movl	#0x000e,a0@(0xff604c)
    501 			movl	#0x001c,a0@(0xff6050)
    502 			movl	#0x00bc,a0@(0xff6054)
    503 			movl	#0x00c3,a0@(0xff6058)
    504 			movl	#0x0061,a0@(0xff605c)
    505 			movl	#0x0012,a0@(0xff6060)
    506 			bra	_mv_intr_fin
    507 		_mv_intr1:
    508 			movl	#0x0002,a0@(0xff6040)
    509 			movl	#0x0209,a0@(0xff6044)
    510 			movl	#0x020c,a0@(0xff6048)
    511 			movl	#0x000f,a0@(0xff604c)
    512 			movl	#0x0027,a0@(0xff6050)
    513 			movl	#0x00c7,a0@(0xff6054)
    514 			movl	#0x00d7,a0@(0xff6058)
    515 			movl	#0x006b,a0@(0xff605c)
    516 			movl	#0x0029,a0@(0xff6060)
    517 		_mv_intr_fin:
    518 			movl	#0x1,a0@(0xff6014)"
    519 		: : "g" (slotbase) : "a0","d0","d1");
    520 }
    521 
    522 /*
    523  * Support for the Colorboard 364 might be more complex than it needs to
    524  * be.  If we can find more information about this card, this might be
    525  * significantly simplified.  Contributions welcome...  :-)
    526  */
    527 /*ARGSUSED*/
    528 static void
    529 grfmv_intr_cb364(vsc)
    530 	void	*vsc;
    531 {
    532 	struct grfbus_softc *sc;
    533 	volatile char *slotbase;
    534 
    535 	sc = (struct grfbus_softc *)vsc;
    536 	slotbase = (volatile char *)sc->sc_handle;	/* XXX evil hack */
    537 	asm volatile("	movl	%0,a0
    538 			movl	a0@(0xfe6028),d0
    539 			andl	#0x2,d0
    540 			beq	_cb364_intr4
    541 			movql	#0x3,d0
    542 			movl	a0@(0xfe6018),d1
    543 			movl	#0x3,a0@(0xfe6018)
    544 			movw	a0@(0xfe7010),d2
    545 			movl	d1,a0@(0xfe6018)
    546 			movl	a0@(0xfe6020),d1
    547 			btst	#0x06,d2
    548 			beq	_cb364_intr0
    549 			btst	#0x00,d1
    550 			beq	_cb364_intr5
    551 			bsr	_cb364_intr1
    552 			bra	_cb364_intr_out
    553 		_cb364_intr0:
    554 			btst	#0x00,d1
    555 			bne	_cb364_intr5
    556 			bsr	_cb364_intr1
    557 			bra	_cb364_intr_out
    558 		_cb364_intr1:
    559 			movl	d0,a0@(0xfe600c)
    560 			nop
    561 			tstb	d0
    562 			beq	_cb364_intr3
    563 			movl	#0x0002,a0@(0xfe6040)
    564 			movl	#0x0105,a0@(0xfe6048)
    565 			movl	#0x000e,a0@(0xfe604c)
    566 			movl	#0x00c3,a0@(0xfe6058)
    567 			movl	#0x0061,a0@(0xfe605c)
    568 			btst	#0x06,d2
    569 			beq	_cb364_intr2
    570 			movl	#0x001c,a0@(0xfe6050)
    571 			movl	#0x00bc,a0@(0xfe6054)
    572 			movl	#0x0012,a0@(0xfe6060)
    573 			movl	#0x000e,a0@(0xfe6044)
    574 			movl	#0x00c3,a0@(0xfe6064)
    575 			movl	#0x0061,a0@(0xfe6020)
    576 			rts
    577 		_cb364_intr2:
    578 			movl	#0x0016,a0@(0xfe6050)
    579 			movl	#0x00b6,a0@(0xfe6054)
    580 			movl	#0x0011,a0@(0xfe6060)
    581 			movl	#0x0101,a0@(0xfe6044)
    582 			movl	#0x00bf,a0@(0xfe6064)
    583 			movl	#0x0001,a0@(0xfe6020)
    584 			rts
    585 		_cb364_intr3:
    586 			movl	#0x0002,a0@(0xfe6040)
    587 			movl	#0x0209,a0@(0xfe6044)
    588 			movl	#0x020c,a0@(0xfe6048)
    589 			movl	#0x000f,a0@(0xfe604c)
    590 			movl	#0x0027,a0@(0xfe6050)
    591 			movl	#0x00c7,a0@(0xfe6054)
    592 			movl	#0x00d7,a0@(0xfe6058)
    593 			movl	#0x006b,a0@(0xfe605c)
    594 			movl	#0x0029,a0@(0xfe6060)
    595 			oril	#0x0040,a0@(0xfe6064)
    596 			movl	#0x0000,a0@(0xfe6020)
    597 			rts
    598 		_cb364_intr4:
    599 			movq	#0x00,d0
    600 		_cb364_intr5:
    601 			movl	a0@(0xfe600c),d1
    602 			andl	#0x3,d1
    603 			cmpl	d1,d0
    604 			beq	_cb364_intr_out
    605 			bsr	_cb364_intr1
    606 		_cb364_intr_out:
    607 			movl	#0x1,a0@(0xfe6014)
    608 		_cb364_intr_quit:
    609 		" : : "g" (slotbase) : "a0","d0","d1","d2");
    610 }
    611 
    612 /*
    613  * Interrupt clearing routine for SuperMac GFX card.
    614  */
    615 /*ARGSUSED*/
    616 static void
    617 grfmv_intr_supermacgfx(vsc)
    618 	void	*vsc;
    619 {
    620 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    621 	u_int8_t dummy;
    622 
    623 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3);
    624 }
    625 
    626 /*
    627  * Routine to clear interrupts for the Sigma Designs ColorMax card.
    628  */
    629 /*ARGSUSED*/
    630 static void
    631 grfmv_intr_cmax(vsc)
    632 	void	*vsc;
    633 {
    634 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    635 	u_int32_t dummy;
    636 
    637 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c);
    638 	dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018);
    639 }
    640 
    641 /*
    642  * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card
    643  * (for the SE/30).
    644  */
    645 /*ARGSUSED*/
    646 static void
    647 grfmv_intr_lapis(vsc)
    648 	void	*vsc;
    649 {
    650 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    651 
    652 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08);
    653 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C);
    654 }
    655 
    656 /*
    657  * Routine to clear interrupts for the Formac Color Card II
    658  */
    659 /*ARGSUSED*/
    660 static void
    661 grfmv_intr_formac(vsc)
    662 	void	*vsc;
    663 {
    664 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    665 	u_int8_t dummy;
    666 
    667 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80db);
    668 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80d3);
    669 }
    670 
    671 /*
    672  * Routine to clear interrupts for the Vimage by Interware Co., Ltd.
    673  */
    674 /*ARGSUSED*/
    675 static void
    676 grfmv_intr_vimage(vsc)
    677 	void	*vsc;
    678 {
    679 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    680 
    681 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0x67);
    682 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0xE7);
    683 }
    684 
    685 /*
    686  * Routine to clear interrupts for the Grand Vimage by Interware Co., Ltd.
    687  */
    688 /*ARGSUSED*/
    689 static void
    690 grfmv_intr_gvimage(vsc)
    691 	void	*vsc;
    692 {
    693 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    694 	u_int8_t dummy;
    695 
    696 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xf00000);
    697 }
    698 
    699 /*
    700  * Routine to clear interrupts for the Radius GS/C
    701  */
    702 /*ARGSUSED*/
    703 static void
    704 grfmv_intr_radius_gsc(vsc)
    705 	void	*vsc;
    706 {
    707 	struct grfbus_softc *sc = (struct grfbus_softc *)vsc;
    708 	u_int8_t dummy;
    709 
    710 	dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfb802);
    711 	bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xfb802, 0xff);
    712 }
    713 
    714