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aac_pci.c revision 1.23.4.5
      1 /*	$NetBSD: aac_pci.c,v 1.23.4.5 2010/08/11 22:53:41 yamt 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 1.23.4.5 2010/08/11 22:53:41 yamt 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_ADP2,
    349 		PCI_PRODUCT_ADP2_ASR2120S,
    350 		PCI_VENDOR_IBM,
    351 		PCI_PRODUCT_IBM_SERVERAID8K,
    352 		AAC_HWIF_RKT,
    353 		0,
    354 		"IBM ServeRAID 8k"
    355 	},
    356 	{
    357 		PCI_VENDOR_DEC,
    358 		PCI_PRODUCT_DEC_21554,
    359 		PCI_VENDOR_ADP2,
    360 		PCI_PRODUCT_ADP2_AAC364,
    361 		AAC_HWIF_STRONGARM,
    362 		0,
    363 		"Adaptec AAC-364"
    364 	},
    365 	{
    366 		PCI_VENDOR_DEC,
    367 		PCI_PRODUCT_DEC_21554,
    368 		PCI_VENDOR_ADP2,
    369 		PCI_PRODUCT_ADP2_ASR5400S,
    370 		AAC_HWIF_STRONGARM,
    371 		AAC_QUIRK_BROKEN_MMAP,
    372 		"Adaptec ASR-5400S"
    373 	},
    374 	{
    375 		PCI_VENDOR_DEC,
    376 		PCI_PRODUCT_DEC_21554,
    377 		PCI_VENDOR_ADP2,
    378 		PCI_PRODUCT_ADP2_PERC_2QC,
    379 		AAC_HWIF_STRONGARM,
    380 		AAC_QUIRK_PERC2QC,
    381 		"Dell PERC 2/QC"
    382 	},
    383 	{
    384 		PCI_VENDOR_DEC,
    385 		PCI_PRODUCT_DEC_21554,
    386 		PCI_VENDOR_ADP2,
    387 		PCI_PRODUCT_ADP2_PERC_3QC,
    388 		AAC_HWIF_STRONGARM,
    389 		0,
    390 		"Dell PERC 3/QC"
    391 	},
    392 	{
    393 		PCI_VENDOR_DEC,
    394 		PCI_PRODUCT_DEC_21554,
    395 		PCI_VENDOR_HP,
    396 		PCI_PRODUCT_HP_NETRAID_4M,
    397 		AAC_HWIF_STRONGARM,
    398 		0,
    399 		"HP NetRAID-4M"
    400 	},
    401 	{	0x9005,
    402 		0x0285,
    403 		0x108e,
    404 		0x286,
    405 		AAC_HWIF_I960RX,
    406 		0,
    407 		"SG-XPCIESAS-R-IN"
    408 	},
    409 };
    410 
    411 static const struct aac_ident *
    412 aac_find_ident(struct pci_attach_args *pa)
    413 {
    414 	const struct aac_ident *m, *mm;
    415 	u_int32_t subsysid;
    416 
    417 	m = aac_ident;
    418 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
    419 
    420 	while (m < mm) {
    421 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
    422 		    m->device == PCI_PRODUCT(pa->pa_id)) {
    423 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
    424 			    PCI_SUBSYS_ID_REG);
    425 			if (m->subvendor == PCI_VENDOR(subsysid) &&
    426 			    m->subdevice == PCI_PRODUCT(subsysid))
    427 				return (m);
    428 		}
    429 		m++;
    430 	}
    431 
    432 	return (NULL);
    433 }
    434 
    435 static int
    436 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
    437 {
    438 	struct aac_pci_softc	*pcisc;
    439 
    440 	pcisc = (struct aac_pci_softc *) sc;
    441 
    442 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
    443 	sc->sc_ih = pci_intr_establish(pcisc->sc_pc, pcisc->sc_ih,
    444 				       IPL_BIO, hand, arg);
    445 	if (sc->sc_ih == NULL) {
    446 		return ENXIO;
    447 	}
    448 	return 0;
    449 }
    450 
    451 static int
    452 aac_pci_match(device_t parent, cfdata_t match, void *aux)
    453 {
    454 	struct pci_attach_args *pa;
    455 
    456 	pa = aux;
    457 
    458 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
    459 		return (0);
    460 
    461 	return (aac_find_ident(pa) != NULL);
    462 }
    463 
    464 static void
    465 aac_pci_attach(device_t parent, device_t self, void *aux)
    466 {
    467 	struct pci_attach_args *pa;
    468 	pci_chipset_tag_t pc;
    469 	struct aac_pci_softc *pcisc;
    470 	struct aac_softc *sc;
    471 	u_int16_t command;
    472 	bus_addr_t membase;
    473 	bus_size_t memsize;
    474 	const char *intrstr;
    475 	int state;
    476 	const struct aac_ident *m;
    477 
    478 	pa = aux;
    479 	pc = pa->pa_pc;
    480 	pcisc = device_private(self);
    481 	pcisc->sc_pc = pc;
    482 	sc = &pcisc->sc_aac;
    483 	state = 0;
    484 
    485 	aprint_naive(": RAID controller\n");
    486 	aprint_normal(": ");
    487 
    488 	/*
    489 	 * Verify that the adapter is correctly set up in PCI space.
    490 	 */
    491 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    492 	command |= PCI_COMMAND_MASTER_ENABLE;
    493 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
    494 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    495 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
    496 
    497 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
    498 		aprint_error("can't enable bus-master feature\n");
    499 		goto bail_out;
    500 	}
    501 
    502 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
    503 		aprint_error("memory window not available\n");
    504 		goto bail_out;
    505 	}
    506 
    507 	/*
    508 	 * Map control/status registers.
    509 	 */
    510 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
    511 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
    512 	    &sc->sc_memh, &membase, &memsize)) {
    513 		aprint_error("can't find mem space\n");
    514 		goto bail_out;
    515 	}
    516 	state++;
    517 
    518 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
    519 		aprint_error("couldn't map interrupt\n");
    520 		goto bail_out;
    521 	}
    522 	intrstr = pci_intr_string(pc, pcisc->sc_ih);
    523 	sc->sc_ih = pci_intr_establish(pc, pcisc->sc_ih, IPL_BIO, aac_intr, sc);
    524 	if (sc->sc_ih == NULL) {
    525 		aprint_error("couldn't establish interrupt");
    526 		if (intrstr != NULL)
    527 			aprint_error(" at %s", intrstr);
    528 		aprint_error("\n");
    529 		goto bail_out;
    530 	}
    531 	state++;
    532 
    533 	sc->sc_dmat = pa->pa_dmat;
    534 
    535 	m = aac_find_ident(pa);
    536 	aprint_normal("%s\n", m->prodstr);
    537 	if (intrstr != NULL)
    538 		aprint_normal_dev(&sc->sc_dv, "interrupting at %s\n",
    539 		    intrstr);
    540 
    541 	sc->sc_hwif = m->hwif;
    542 	sc->sc_quirks = m->quirks;
    543 	switch (sc->sc_hwif) {
    544 		case AAC_HWIF_I960RX:
    545 			AAC_DPRINTF(AAC_D_MISC,
    546 			    ("set hardware up for i960Rx"));
    547 			sc->sc_if = aac_rx_interface;
    548 			break;
    549 
    550 		case AAC_HWIF_STRONGARM:
    551 			AAC_DPRINTF(AAC_D_MISC,
    552 			    ("set hardware up for StrongARM"));
    553 			sc->sc_if = aac_sa_interface;
    554 			break;
    555 
    556 		case AAC_HWIF_RKT:
    557 			AAC_DPRINTF(AAC_D_MISC,
    558 			    ("set hardware up for MIPS/Rocket"));
    559 			sc->sc_if = aac_rkt_interface;
    560 			break;
    561 	}
    562 	sc->sc_regsize = memsize;
    563 	sc->sc_intr_set = aac_pci_intr_set;
    564 
    565 	if (!aac_attach(sc))
    566 		return;
    567 
    568  bail_out:
    569 	if (state > 1)
    570 		pci_intr_disestablish(pc, sc->sc_ih);
    571 	if (state > 0)
    572 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
    573 }
    574 
    575 CFATTACH_DECL(aac_pci, sizeof(struct aac_pci_softc),
    576     aac_pci_match, aac_pci_attach, NULL, NULL);
    577 
    578 /*
    579  * Read the current firmware status word.
    580  */
    581 static int
    582 aac_sa_get_fwstatus(struct aac_softc *sc)
    583 {
    584 
    585 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
    586 }
    587 
    588 static int
    589 aac_rx_get_fwstatus(struct aac_softc *sc)
    590 {
    591 
    592 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
    593 }
    594 
    595 static int
    596 aac_rkt_get_fwstatus(struct aac_softc *sc)
    597 {
    598 
    599 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
    600 }
    601 
    602 /*
    603  * Notify the controller of a change in a given queue
    604  */
    605 
    606 static void
    607 aac_sa_qnotify(struct aac_softc *sc, int qbit)
    608 {
    609 
    610 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
    611 }
    612 
    613 static void
    614 aac_rx_qnotify(struct aac_softc *sc, int qbit)
    615 {
    616 
    617 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
    618 }
    619 
    620 static void
    621 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
    622 {
    623 
    624 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
    625 }
    626 
    627 /*
    628  * Get the interrupt reason bits
    629  */
    630 static int
    631 aac_sa_get_istatus(struct aac_softc *sc)
    632 {
    633 
    634 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
    635 }
    636 
    637 static int
    638 aac_rx_get_istatus(struct aac_softc *sc)
    639 {
    640 
    641 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
    642 }
    643 
    644 static int
    645 aac_rkt_get_istatus(struct aac_softc *sc)
    646 {
    647 
    648 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
    649 }
    650 
    651 /*
    652  * Clear some interrupt reason bits
    653  */
    654 static void
    655 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
    656 {
    657 
    658 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
    659 }
    660 
    661 static void
    662 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
    663 {
    664 
    665 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
    666 }
    667 
    668 static void
    669 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
    670 {
    671 
    672 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
    673 }
    674 
    675 /*
    676  * Populate the mailbox and set the command word
    677  */
    678 static void
    679 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
    680 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    681 		   u_int32_t arg3)
    682 {
    683 
    684 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
    685 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
    686 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
    687 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
    688 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
    689 }
    690 
    691 static void
    692 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
    693 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    694 		   u_int32_t arg3)
    695 {
    696 
    697 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
    698 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
    699 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
    700 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
    701 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
    702 }
    703 
    704 static void
    705 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
    706 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    707 		    u_int32_t arg3)
    708 {
    709 
    710 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
    711 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
    712 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
    713 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
    714 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
    715 }
    716 
    717 /*
    718  * Fetch the specified mailbox
    719  */
    720 static uint32_t
    721 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
    722 {
    723 
    724 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
    725 }
    726 
    727 static uint32_t
    728 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
    729 {
    730 
    731 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
    732 }
    733 
    734 static uint32_t
    735 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
    736 {
    737 
    738 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
    739 }
    740 
    741 /*
    742  * Set/clear interrupt masks
    743  */
    744 static void
    745 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
    746 {
    747 
    748 	if (enable)
    749 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
    750 	else
    751 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
    752 }
    753 
    754 static void
    755 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
    756 {
    757 
    758 	if (enable) {
    759 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
    760 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
    761 		else
    762 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
    763 	} else {
    764 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
    765 	}
    766 }
    767 
    768 static void
    769 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
    770 {
    771 
    772 	if (enable) {
    773 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
    774 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
    775 		else
    776 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
    777 	} else {
    778 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
    779 	}
    780 }
    781 
    782 /*
    783  * New comm. interface: Send command functions
    784  */
    785 static int
    786 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
    787 {
    788 	u_int32_t	index, device;
    789 
    790 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
    791 	if (index == 0xffffffffL)
    792 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
    793 	if (index == 0xffffffffL)
    794 		return index;
    795 #ifdef notyet
    796 	aac_enqueue_busy(ac);
    797 #endif
    798 	device = index;
    799 	AAC_SETREG4(sc, device,
    800 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
    801 	device += 4;
    802 	if (sizeof(bus_addr_t) > 4) {
    803 		AAC_SETREG4(sc, device,
    804 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
    805 	} else {
    806 		AAC_SETREG4(sc, device, 0);
    807 	}
    808 	device += 4;
    809 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
    810 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
    811 	return 0;
    812 }
    813 
    814 static int
    815 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
    816 {
    817 	u_int32_t	index, device;
    818 
    819 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
    820 	if (index == 0xffffffffL)
    821 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
    822 	if (index == 0xffffffffL)
    823 		return index;
    824 #ifdef notyet
    825 	aac_enqueue_busy(ac);
    826 #endif
    827 	device = index;
    828 	AAC_SETREG4(sc, device,
    829 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
    830 	device += 4;
    831 	if (sizeof(bus_addr_t) > 4) {
    832 		AAC_SETREG4(sc, device,
    833 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
    834 	} else {
    835 		AAC_SETREG4(sc, device, 0);
    836 	}
    837 	device += 4;
    838 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
    839 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
    840 	return 0;
    841 }
    842 
    843 /*
    844  * New comm. interface: get, set outbound queue index
    845  */
    846 static int
    847 aac_rx_get_outb_queue(struct aac_softc *sc)
    848 {
    849 
    850 	return AAC_GETREG4(sc, AAC_RX_OQUE);
    851 }
    852 
    853 static int
    854 aac_rkt_get_outb_queue(struct aac_softc *sc)
    855 {
    856 
    857 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
    858 }
    859 
    860 static void
    861 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
    862 {
    863 
    864 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
    865 }
    866 
    867 static void
    868 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
    869 {
    870 
    871 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
    872 }
    873