Home | History | Annotate | Line # | Download | only in pci
aac_pci.c revision 1.24
      1 /*	$NetBSD: aac_pci.c,v 1.24 2008/04/28 20:23:54 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Andrew Doran.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*-
     33  * Copyright (c) 2000 Michael Smith
     34  * Copyright (c) 2000 BSDi
     35  * Copyright (c) 2000 Niklas Hallqvist
     36  * All rights reserved.
     37  *
     38  * Redistribution and use in source and binary forms, with or without
     39  * modification, are permitted provided that the following conditions
     40  * are met:
     41  * 1. Redistributions of source code must retain the above copyright
     42  *    notice, this list of conditions and the following disclaimer.
     43  * 2. Redistributions in binary form must reproduce the above copyright
     44  *    notice, this list of conditions and the following disclaimer in the
     45  *    documentation and/or other materials provided with the distribution.
     46  *
     47  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     57  * SUCH DAMAGE.
     58  *
     59  * from FreeBSD: aac_pci.c,v 1.1 2000/09/13 03:20:34 msmith Exp
     60  * via OpenBSD: aac_pci.c,v 1.7 2002/03/14 01:26:58 millert Exp
     61  */
     62 
     63 /*
     64  * PCI front-end for the `aac' driver.
     65  */
     66 
     67 #include <sys/cdefs.h>
     68 __KERNEL_RCSID(0, "$NetBSD: aac_pci.c,v 1.24 2008/04/28 20:23:54 martin Exp $");
     69 
     70 #include <sys/param.h>
     71 #include <sys/systm.h>
     72 #include <sys/device.h>
     73 #include <sys/kernel.h>
     74 #include <sys/malloc.h>
     75 #include <sys/queue.h>
     76 
     77 #include <sys/bus.h>
     78 #include <machine/endian.h>
     79 #include <sys/intr.h>
     80 
     81 #include <dev/pci/pcidevs.h>
     82 #include <dev/pci/pcireg.h>
     83 #include <dev/pci/pcivar.h>
     84 
     85 #include <dev/ic/aacreg.h>
     86 #include <dev/ic/aacvar.h>
     87 
     88 struct aac_pci_softc {
     89 	struct aac_softc	sc_aac;
     90 	pci_chipset_tag_t	sc_pc;
     91 	pci_intr_handle_t	sc_ih;
     92 };
     93 
     94 /* i960Rx interface */
     95 static int	aac_rx_get_fwstatus(struct aac_softc *);
     96 static void	aac_rx_qnotify(struct aac_softc *, int);
     97 static int	aac_rx_get_istatus(struct aac_softc *);
     98 static void	aac_rx_clear_istatus(struct aac_softc *, int);
     99 static void	aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
    100 			   u_int32_t, u_int32_t, u_int32_t);
    101 static uint32_t aac_rx_get_mailbox(struct aac_softc *, int);
    102 static void	aac_rx_set_interrupts(struct aac_softc *, int);
    103 static int	aac_rx_send_command(struct aac_softc *, struct aac_ccb *);
    104 static int	aac_rx_get_outb_queue(struct aac_softc *);
    105 static void	aac_rx_set_outb_queue(struct aac_softc *, int);
    106 
    107 /* StrongARM interface */
    108 static int	aac_sa_get_fwstatus(struct aac_softc *);
    109 static void	aac_sa_qnotify(struct aac_softc *, int);
    110 static int	aac_sa_get_istatus(struct aac_softc *);
    111 static void	aac_sa_clear_istatus(struct aac_softc *, int);
    112 static void	aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
    113 			   u_int32_t, u_int32_t, u_int32_t);
    114 static uint32_t aac_sa_get_mailbox(struct aac_softc *, int);
    115 static void	aac_sa_set_interrupts(struct aac_softc *, int);
    116 
    117 /* Rocket/MIPS interface */
    118 static int	aac_rkt_get_fwstatus(struct aac_softc *);
    119 static void	aac_rkt_qnotify(struct aac_softc *, int);
    120 static int	aac_rkt_get_istatus(struct aac_softc *);
    121 static void	aac_rkt_clear_istatus(struct aac_softc *, int);
    122 static void	aac_rkt_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
    123 			   u_int32_t, u_int32_t, u_int32_t);
    124 static uint32_t aac_rkt_get_mailbox(struct aac_softc *, int);
    125 static void	aac_rkt_set_interrupts(struct aac_softc *, int);
    126 static int	aac_rkt_send_command(struct aac_softc *, struct aac_ccb *);
    127 static int	aac_rkt_get_outb_queue(struct aac_softc *);
    128 static void	aac_rkt_set_outb_queue(struct aac_softc *, int);
    129 
    130 static const struct aac_interface aac_rx_interface = {
    131 	aac_rx_get_fwstatus,
    132 	aac_rx_qnotify,
    133 	aac_rx_get_istatus,
    134 	aac_rx_clear_istatus,
    135 	aac_rx_set_mailbox,
    136 	aac_rx_get_mailbox,
    137 	aac_rx_set_interrupts,
    138 	aac_rx_send_command,
    139 	aac_rx_get_outb_queue,
    140 	aac_rx_set_outb_queue
    141 };
    142 
    143 static const struct aac_interface aac_sa_interface = {
    144 	aac_sa_get_fwstatus,
    145 	aac_sa_qnotify,
    146 	aac_sa_get_istatus,
    147 	aac_sa_clear_istatus,
    148 	aac_sa_set_mailbox,
    149 	aac_sa_get_mailbox,
    150 	aac_sa_set_interrupts,
    151 	NULL, NULL, NULL
    152 };
    153 
    154 static const struct aac_interface aac_rkt_interface = {
    155 	aac_rkt_get_fwstatus,
    156 	aac_rkt_qnotify,
    157 	aac_rkt_get_istatus,
    158 	aac_rkt_clear_istatus,
    159 	aac_rkt_set_mailbox,
    160 	aac_rkt_get_mailbox,
    161 	aac_rkt_set_interrupts,
    162 	aac_rkt_send_command,
    163 	aac_rkt_get_outb_queue,
    164 	aac_rkt_set_outb_queue
    165 };
    166 
    167 static struct aac_ident {
    168 	u_short	vendor;
    169 	u_short	device;
    170 	u_short	subvendor;
    171 	u_short	subdevice;
    172 	u_short	hwif;
    173 	u_short	quirks;
    174 	const char	*prodstr;
    175 } const aac_ident[] = {
    176 	{
    177 		PCI_VENDOR_DELL,
    178 		PCI_PRODUCT_DELL_PERC_2SI,
    179 		PCI_VENDOR_DELL,
    180 		PCI_PRODUCT_DELL_PERC_2SI,
    181 		AAC_HWIF_I960RX,
    182 		0,
    183 		"Dell PERC 2/Si"
    184 	},
    185 	{
    186 		PCI_VENDOR_DELL,
    187 		PCI_PRODUCT_DELL_PERC_3DI,
    188 		PCI_VENDOR_DELL,
    189 		PCI_PRODUCT_DELL_PERC_3DI,
    190 		AAC_HWIF_I960RX,
    191 		0,
    192 		"Dell PERC 3/Di"
    193 	},
    194 	{
    195 		PCI_VENDOR_DELL,
    196 		PCI_PRODUCT_DELL_PERC_3DI,
    197 		PCI_VENDOR_DELL,
    198 		PCI_PRODUCT_DELL_PERC_3DI_SUB2,
    199 		AAC_HWIF_I960RX,
    200 		0,
    201 		"Dell PERC 3/Di"
    202 	},
    203 	{
    204 		PCI_VENDOR_DELL,
    205 		PCI_PRODUCT_DELL_PERC_3DI,
    206 		PCI_VENDOR_DELL,
    207 		PCI_PRODUCT_DELL_PERC_3DI_SUB3,
    208 		AAC_HWIF_I960RX,
    209 		0,
    210 		"Dell PERC 3/Di"
    211 	},
    212 	{
    213 		PCI_VENDOR_DELL,
    214 		PCI_PRODUCT_DELL_PERC_3DI_2,
    215 		PCI_VENDOR_DELL,
    216 		PCI_PRODUCT_DELL_PERC_3DI_2_SUB,
    217 		AAC_HWIF_I960RX,
    218 		0,
    219 		"Dell PERC 3/Di"
    220 	},
    221         {
    222 		PCI_VENDOR_DELL,
    223 		PCI_PRODUCT_DELL_PERC_3DI_3,
    224 		PCI_VENDOR_DELL,
    225 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB,
    226 		AAC_HWIF_I960RX,
    227 		0,
    228 		"Dell PERC 3/Di"
    229 	},
    230 	{
    231 		PCI_VENDOR_DELL,
    232 		PCI_PRODUCT_DELL_PERC_3DI_3,
    233 		PCI_VENDOR_DELL,
    234 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB2,
    235 		AAC_HWIF_I960RX,
    236 		0,
    237 		"Dell PERC 3/Di"
    238 	},
    239 	{
    240 		PCI_VENDOR_DELL,
    241 		PCI_PRODUCT_DELL_PERC_3DI_3,
    242 		PCI_VENDOR_DELL,
    243 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB3,
    244 		AAC_HWIF_I960RX,
    245 		0,
    246 		"Dell PERC 3/Di"
    247 	},
    248 	{
    249 		PCI_VENDOR_DELL,
    250 		PCI_PRODUCT_DELL_PERC_3SI,
    251 		PCI_VENDOR_DELL,
    252 		PCI_PRODUCT_DELL_PERC_3SI,
    253 		AAC_HWIF_I960RX,
    254 		0,
    255 		"Dell PERC 3/Si"
    256 	},
    257 	{
    258 		PCI_VENDOR_DELL,
    259 		PCI_PRODUCT_DELL_PERC_3SI_2,
    260 		PCI_VENDOR_DELL,
    261 		PCI_PRODUCT_DELL_PERC_3SI_2_SUB,
    262 		AAC_HWIF_I960RX,
    263 		0,
    264 		"Dell PERC 3/Si"
    265 	},
    266 	{
    267 		PCI_VENDOR_ADP2,
    268 		PCI_PRODUCT_ADP2_ASR2200S,
    269 		PCI_VENDOR_DELL,
    270 		PCI_PRODUCT_DELL_CERC_1_5,
    271 		AAC_HWIF_I960RX,
    272 		AAC_QUIRK_NO4GB,
    273 		"Dell CERC SATA RAID 1.5/6ch"
    274 	},
    275 	{
    276 		PCI_VENDOR_ADP2,
    277 		PCI_PRODUCT_ADP2_AAC2622,
    278 		PCI_VENDOR_ADP2,
    279 		PCI_PRODUCT_ADP2_AAC2622,
    280 		AAC_HWIF_I960RX,
    281 		0,
    282 		"Adaptec ADP-2622"
    283 	},
    284 	{
    285 		PCI_VENDOR_ADP2,
    286 		PCI_PRODUCT_ADP2_ASR2200S,
    287 		PCI_VENDOR_ADP2,
    288 		PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
    289 		AAC_HWIF_I960RX,
    290 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    291 		"Adaptec ASR-2200S"
    292 	},
    293 	{
    294 		PCI_VENDOR_ADP2,
    295 		PCI_PRODUCT_ADP2_ASR2200S,
    296 		PCI_VENDOR_DELL,
    297 		PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
    298 		AAC_HWIF_I960RX,
    299 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    300 		"Dell PERC 320/DC"
    301 	},
    302 	{
    303 		PCI_VENDOR_ADP2,
    304 		PCI_PRODUCT_ADP2_ASR2200S,
    305 		PCI_VENDOR_ADP2,
    306 		PCI_PRODUCT_ADP2_ASR2200S,
    307 		AAC_HWIF_I960RX,
    308 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    309 		"Adaptec ASR-2200S"
    310 	},
    311 	{
    312 		PCI_VENDOR_ADP2,
    313 		PCI_PRODUCT_ADP2_ASR2200S,
    314 		PCI_VENDOR_ADP2,
    315 		PCI_PRODUCT_ADP2_AAR2810SA,
    316 		AAC_HWIF_I960RX,
    317 		AAC_QUIRK_NO4GB,
    318 		"Adaptec AAR-2810SA"
    319 	},
    320 	{
    321 		PCI_VENDOR_ADP2,
    322 		PCI_PRODUCT_ADP2_ASR2200S,
    323 		PCI_VENDOR_ADP2,
    324 		PCI_PRODUCT_ADP2_ASR2120S,
    325 		AAC_HWIF_I960RX,
    326 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    327 		"Adaptec ASR-2120S"
    328 	},
    329 	{
    330 		PCI_VENDOR_ADP2,
    331 		PCI_PRODUCT_ADP2_ASR2200S,
    332 		PCI_VENDOR_ADP2,
    333 		PCI_PRODUCT_ADP2_ASR2410SA,
    334 		AAC_HWIF_I960RX,
    335 		AAC_QUIRK_NO4GB,
    336 		"Adaptec ASR-2410SA"
    337 	},
    338 	{
    339 		PCI_VENDOR_ADP2,
    340 		PCI_PRODUCT_ADP2_ASR2200S,
    341 		PCI_VENDOR_HP,
    342 		PCI_PRODUCT_ADP2_HP_M110_G2,
    343 		AAC_HWIF_I960RX,
    344 		AAC_QUIRK_NO4GB,
    345 		"HP ML110 G2 (Adaptec ASR-2610SA)"
    346 	},
    347 	{
    348 		PCI_VENDOR_DEC,
    349 		PCI_PRODUCT_DEC_21554,
    350 		PCI_VENDOR_ADP2,
    351 		PCI_PRODUCT_ADP2_AAC364,
    352 		AAC_HWIF_STRONGARM,
    353 		0,
    354 		"Adaptec AAC-364"
    355 	},
    356 	{
    357 		PCI_VENDOR_DEC,
    358 		PCI_PRODUCT_DEC_21554,
    359 		PCI_VENDOR_ADP2,
    360 		PCI_PRODUCT_ADP2_ASR5400S,
    361 		AAC_HWIF_STRONGARM,
    362 		AAC_QUIRK_BROKEN_MMAP,
    363 		"Adaptec ASR-5400S"
    364 	},
    365 	{
    366 		PCI_VENDOR_DEC,
    367 		PCI_PRODUCT_DEC_21554,
    368 		PCI_VENDOR_ADP2,
    369 		PCI_PRODUCT_ADP2_PERC_2QC,
    370 		AAC_HWIF_STRONGARM,
    371 		AAC_QUIRK_PERC2QC,
    372 		"Dell PERC 2/QC"
    373 	},
    374 	{
    375 		PCI_VENDOR_DEC,
    376 		PCI_PRODUCT_DEC_21554,
    377 		PCI_VENDOR_ADP2,
    378 		PCI_PRODUCT_ADP2_PERC_3QC,
    379 		AAC_HWIF_STRONGARM,
    380 		0,
    381 		"Dell PERC 3/QC"
    382 	},
    383 	{
    384 		PCI_VENDOR_DEC,
    385 		PCI_PRODUCT_DEC_21554,
    386 		PCI_VENDOR_HP,
    387 		PCI_PRODUCT_HP_NETRAID_4M,
    388 		AAC_HWIF_STRONGARM,
    389 		0,
    390 		"HP NetRAID-4M"
    391 	},
    392 };
    393 
    394 static const struct aac_ident *
    395 aac_find_ident(struct pci_attach_args *pa)
    396 {
    397 	const struct aac_ident *m, *mm;
    398 	u_int32_t subsysid;
    399 
    400 	m = aac_ident;
    401 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
    402 
    403 	while (m < mm) {
    404 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
    405 		    m->device == PCI_PRODUCT(pa->pa_id)) {
    406 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
    407 			    PCI_SUBSYS_ID_REG);
    408 			if (m->subvendor == PCI_VENDOR(subsysid) &&
    409 			    m->subdevice == PCI_PRODUCT(subsysid))
    410 				return (m);
    411 		}
    412 		m++;
    413 	}
    414 
    415 	return (NULL);
    416 }
    417 
    418 static int
    419 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
    420 {
    421 	struct aac_pci_softc	*pcisc;
    422 
    423 	pcisc = (struct aac_pci_softc *) sc;
    424 
    425 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
    426 	sc->sc_ih = pci_intr_establish(pcisc->sc_pc, pcisc->sc_ih,
    427 				       IPL_BIO, hand, arg);
    428 	if (sc->sc_ih == NULL) {
    429 		return ENXIO;
    430 	}
    431 	return 0;
    432 }
    433 
    434 static int
    435 aac_pci_match(struct device *parent, struct cfdata *match,
    436     void *aux)
    437 {
    438 	struct pci_attach_args *pa;
    439 
    440 	pa = aux;
    441 
    442 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
    443 		return (0);
    444 
    445 	return (aac_find_ident(pa) != NULL);
    446 }
    447 
    448 static void
    449 aac_pci_attach(struct device *parent, struct device *self, void *aux)
    450 {
    451 	struct pci_attach_args *pa;
    452 	pci_chipset_tag_t pc;
    453 	struct aac_pci_softc *pcisc;
    454 	struct aac_softc *sc;
    455 	u_int16_t command;
    456 	bus_addr_t membase;
    457 	bus_size_t memsize;
    458 	const char *intrstr;
    459 	int state;
    460 	const struct aac_ident *m;
    461 
    462 	pa = aux;
    463 	pc = pa->pa_pc;
    464 	pcisc = (struct aac_pci_softc *)self;
    465 	pcisc->sc_pc = pc;
    466 	sc = &pcisc->sc_aac;
    467 	state = 0;
    468 
    469 	aprint_naive(": RAID controller\n");
    470 	aprint_normal(": ");
    471 
    472 	/*
    473 	 * Verify that the adapter is correctly set up in PCI space.
    474 	 */
    475 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    476 	command |= PCI_COMMAND_MASTER_ENABLE;
    477 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
    478 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    479 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
    480 
    481 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
    482 		aprint_error("can't enable bus-master feature\n");
    483 		goto bail_out;
    484 	}
    485 
    486 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
    487 		aprint_error("memory window not available\n");
    488 		goto bail_out;
    489 	}
    490 
    491 	/*
    492 	 * Map control/status registers.
    493 	 */
    494 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
    495 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
    496 	    &sc->sc_memh, &membase, &memsize)) {
    497 		aprint_error("can't find mem space\n");
    498 		goto bail_out;
    499 	}
    500 	state++;
    501 
    502 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
    503 		aprint_error("couldn't map interrupt\n");
    504 		goto bail_out;
    505 	}
    506 	intrstr = pci_intr_string(pc, pcisc->sc_ih);
    507 	sc->sc_ih = pci_intr_establish(pc, pcisc->sc_ih, IPL_BIO, aac_intr, sc);
    508 	if (sc->sc_ih == NULL) {
    509 		aprint_error("couldn't establish interrupt");
    510 		if (intrstr != NULL)
    511 			aprint_normal(" at %s", intrstr);
    512 		aprint_normal("\n");
    513 		goto bail_out;
    514 	}
    515 	state++;
    516 
    517 	sc->sc_dmat = pa->pa_dmat;
    518 
    519 	m = aac_find_ident(pa);
    520 	aprint_normal("%s\n", m->prodstr);
    521 	if (intrstr != NULL)
    522 		aprint_normal_dev(&sc->sc_dv, "interrupting at %s\n",
    523 		    intrstr);
    524 
    525 	sc->sc_hwif = m->hwif;
    526 	sc->sc_quirks = m->quirks;
    527 	switch (sc->sc_hwif) {
    528 		case AAC_HWIF_I960RX:
    529 			AAC_DPRINTF(AAC_D_MISC,
    530 			    ("set hardware up for i960Rx"));
    531 			sc->sc_if = aac_rx_interface;
    532 			break;
    533 
    534 		case AAC_HWIF_STRONGARM:
    535 			AAC_DPRINTF(AAC_D_MISC,
    536 			    ("set hardware up for StrongARM"));
    537 			sc->sc_if = aac_sa_interface;
    538 			break;
    539 
    540 		case AAC_HWIF_RKT:
    541 			AAC_DPRINTF(AAC_D_MISC,
    542 			    ("set hardware up for MIPS/Rocket"));
    543 			sc->sc_if = aac_rkt_interface;
    544 			break;
    545 	}
    546 	sc->sc_regsize = memsize;
    547 	sc->sc_intr_set = aac_pci_intr_set;
    548 
    549 	if (!aac_attach(sc))
    550 		return;
    551 
    552  bail_out:
    553 	if (state > 1)
    554 		pci_intr_disestablish(pc, sc->sc_ih);
    555 	if (state > 0)
    556 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
    557 }
    558 
    559 CFATTACH_DECL(aac_pci, sizeof(struct aac_softc),
    560     aac_pci_match, aac_pci_attach, NULL, NULL);
    561 
    562 /*
    563  * Read the current firmware status word.
    564  */
    565 static int
    566 aac_sa_get_fwstatus(struct aac_softc *sc)
    567 {
    568 
    569 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
    570 }
    571 
    572 static int
    573 aac_rx_get_fwstatus(struct aac_softc *sc)
    574 {
    575 
    576 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
    577 }
    578 
    579 static int
    580 aac_rkt_get_fwstatus(struct aac_softc *sc)
    581 {
    582 
    583 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
    584 }
    585 
    586 /*
    587  * Notify the controller of a change in a given queue
    588  */
    589 
    590 static void
    591 aac_sa_qnotify(struct aac_softc *sc, int qbit)
    592 {
    593 
    594 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
    595 }
    596 
    597 static void
    598 aac_rx_qnotify(struct aac_softc *sc, int qbit)
    599 {
    600 
    601 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
    602 }
    603 
    604 static void
    605 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
    606 {
    607 
    608 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
    609 }
    610 
    611 /*
    612  * Get the interrupt reason bits
    613  */
    614 static int
    615 aac_sa_get_istatus(struct aac_softc *sc)
    616 {
    617 
    618 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
    619 }
    620 
    621 static int
    622 aac_rx_get_istatus(struct aac_softc *sc)
    623 {
    624 
    625 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
    626 }
    627 
    628 static int
    629 aac_rkt_get_istatus(struct aac_softc *sc)
    630 {
    631 
    632 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
    633 }
    634 
    635 /*
    636  * Clear some interrupt reason bits
    637  */
    638 static void
    639 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
    640 {
    641 
    642 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
    643 }
    644 
    645 static void
    646 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
    647 {
    648 
    649 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
    650 }
    651 
    652 static void
    653 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
    654 {
    655 
    656 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
    657 }
    658 
    659 /*
    660  * Populate the mailbox and set the command word
    661  */
    662 static void
    663 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
    664 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    665 		   u_int32_t arg3)
    666 {
    667 
    668 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
    669 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
    670 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
    671 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
    672 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
    673 }
    674 
    675 static void
    676 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
    677 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    678 		   u_int32_t arg3)
    679 {
    680 
    681 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
    682 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
    683 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
    684 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
    685 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
    686 }
    687 
    688 static void
    689 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
    690 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    691 		    u_int32_t arg3)
    692 {
    693 
    694 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
    695 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
    696 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
    697 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
    698 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
    699 }
    700 
    701 /*
    702  * Fetch the specified mailbox
    703  */
    704 static uint32_t
    705 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
    706 {
    707 
    708 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
    709 }
    710 
    711 static uint32_t
    712 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
    713 {
    714 
    715 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
    716 }
    717 
    718 static uint32_t
    719 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
    720 {
    721 
    722 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
    723 }
    724 
    725 /*
    726  * Set/clear interrupt masks
    727  */
    728 static void
    729 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
    730 {
    731 
    732 	if (enable)
    733 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
    734 	else
    735 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
    736 }
    737 
    738 static void
    739 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
    740 {
    741 
    742 	if (enable) {
    743 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
    744 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
    745 		else
    746 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
    747 	} else {
    748 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
    749 	}
    750 }
    751 
    752 static void
    753 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
    754 {
    755 
    756 	if (enable) {
    757 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
    758 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
    759 		else
    760 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
    761 	} else {
    762 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
    763 	}
    764 }
    765 
    766 /*
    767  * New comm. interface: Send command functions
    768  */
    769 static int
    770 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
    771 {
    772 	u_int32_t	index, device;
    773 
    774 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
    775 	if (index == 0xffffffffL)
    776 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
    777 	if (index == 0xffffffffL)
    778 		return index;
    779 #ifdef notyet
    780 	aac_enqueue_busy(ac);
    781 #endif
    782 	device = index;
    783 	AAC_SETREG4(sc, device,
    784 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
    785 	device += 4;
    786 	if (sizeof(bus_addr_t) > 4) {
    787 		AAC_SETREG4(sc, device,
    788 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
    789 	} else {
    790 		AAC_SETREG4(sc, device, 0);
    791 	}
    792 	device += 4;
    793 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
    794 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
    795 	return 0;
    796 }
    797 
    798 static int
    799 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
    800 {
    801 	u_int32_t	index, device;
    802 
    803 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
    804 	if (index == 0xffffffffL)
    805 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
    806 	if (index == 0xffffffffL)
    807 		return index;
    808 #ifdef notyet
    809 	aac_enqueue_busy(ac);
    810 #endif
    811 	device = index;
    812 	AAC_SETREG4(sc, device,
    813 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
    814 	device += 4;
    815 	if (sizeof(bus_addr_t) > 4) {
    816 		AAC_SETREG4(sc, device,
    817 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
    818 	} else {
    819 		AAC_SETREG4(sc, device, 0);
    820 	}
    821 	device += 4;
    822 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
    823 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
    824 	return 0;
    825 }
    826 
    827 /*
    828  * New comm. interface: get, set outbound queue index
    829  */
    830 static int
    831 aac_rx_get_outb_queue(struct aac_softc *sc)
    832 {
    833 
    834 	return AAC_GETREG4(sc, AAC_RX_OQUE);
    835 }
    836 
    837 static int
    838 aac_rkt_get_outb_queue(struct aac_softc *sc)
    839 {
    840 
    841 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
    842 }
    843 
    844 static void
    845 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
    846 {
    847 
    848 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
    849 }
    850 
    851 static void
    852 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
    853 {
    854 
    855 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
    856 }
    857