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aac_pci.c revision 1.21.8.1
      1 /*	$NetBSD: aac_pci.c,v 1.21.8.1 2007/11/06 23:28:33 matt 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*-
     40  * Copyright (c) 2000 Michael Smith
     41  * Copyright (c) 2000 BSDi
     42  * Copyright (c) 2000 Niklas Hallqvist
     43  * All rights reserved.
     44  *
     45  * Redistribution and use in source and binary forms, with or without
     46  * modification, are permitted provided that the following conditions
     47  * are met:
     48  * 1. Redistributions of source code must retain the above copyright
     49  *    notice, this list of conditions and the following disclaimer.
     50  * 2. Redistributions in binary form must reproduce the above copyright
     51  *    notice, this list of conditions and the following disclaimer in the
     52  *    documentation and/or other materials provided with the distribution.
     53  *
     54  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     64  * SUCH DAMAGE.
     65  *
     66  * from FreeBSD: aac_pci.c,v 1.1 2000/09/13 03:20:34 msmith Exp
     67  * via OpenBSD: aac_pci.c,v 1.7 2002/03/14 01:26:58 millert Exp
     68  */
     69 
     70 /*
     71  * PCI front-end for the `aac' driver.
     72  */
     73 
     74 #include <sys/cdefs.h>
     75 __KERNEL_RCSID(0, "$NetBSD: aac_pci.c,v 1.21.8.1 2007/11/06 23:28:33 matt Exp $");
     76 
     77 #include <sys/param.h>
     78 #include <sys/systm.h>
     79 #include <sys/device.h>
     80 #include <sys/kernel.h>
     81 #include <sys/malloc.h>
     82 #include <sys/queue.h>
     83 
     84 #include <sys/bus.h>
     85 #include <machine/endian.h>
     86 #include <sys/intr.h>
     87 
     88 #include <dev/pci/pcidevs.h>
     89 #include <dev/pci/pcireg.h>
     90 #include <dev/pci/pcivar.h>
     91 
     92 #include <dev/ic/aacreg.h>
     93 #include <dev/ic/aacvar.h>
     94 
     95 struct aac_pci_softc {
     96 	struct aac_softc	sc_aac;
     97 	pci_chipset_tag_t	sc_pc;
     98 	pci_intr_handle_t	sc_ih;
     99 };
    100 
    101 /* i960Rx interface */
    102 static int	aac_rx_get_fwstatus(struct aac_softc *);
    103 static void	aac_rx_qnotify(struct aac_softc *, int);
    104 static int	aac_rx_get_istatus(struct aac_softc *);
    105 static void	aac_rx_clear_istatus(struct aac_softc *, int);
    106 static void	aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
    107 			   u_int32_t, u_int32_t, u_int32_t);
    108 static uint32_t aac_rx_get_mailbox(struct aac_softc *, int);
    109 static void	aac_rx_set_interrupts(struct aac_softc *, int);
    110 static int	aac_rx_send_command(struct aac_softc *, struct aac_ccb *);
    111 static int	aac_rx_get_outb_queue(struct aac_softc *);
    112 static void	aac_rx_set_outb_queue(struct aac_softc *, int);
    113 
    114 /* StrongARM interface */
    115 static int	aac_sa_get_fwstatus(struct aac_softc *);
    116 static void	aac_sa_qnotify(struct aac_softc *, int);
    117 static int	aac_sa_get_istatus(struct aac_softc *);
    118 static void	aac_sa_clear_istatus(struct aac_softc *, int);
    119 static void	aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
    120 			   u_int32_t, u_int32_t, u_int32_t);
    121 static uint32_t aac_sa_get_mailbox(struct aac_softc *, int);
    122 static void	aac_sa_set_interrupts(struct aac_softc *, int);
    123 
    124 /* Rocket/MIPS interface */
    125 static int	aac_rkt_get_fwstatus(struct aac_softc *);
    126 static void	aac_rkt_qnotify(struct aac_softc *, int);
    127 static int	aac_rkt_get_istatus(struct aac_softc *);
    128 static void	aac_rkt_clear_istatus(struct aac_softc *, int);
    129 static void	aac_rkt_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
    130 			   u_int32_t, u_int32_t, u_int32_t);
    131 static uint32_t aac_rkt_get_mailbox(struct aac_softc *, int);
    132 static void	aac_rkt_set_interrupts(struct aac_softc *, int);
    133 static int	aac_rkt_send_command(struct aac_softc *, struct aac_ccb *);
    134 static int	aac_rkt_get_outb_queue(struct aac_softc *);
    135 static void	aac_rkt_set_outb_queue(struct aac_softc *, int);
    136 
    137 static const struct aac_interface aac_rx_interface = {
    138 	aac_rx_get_fwstatus,
    139 	aac_rx_qnotify,
    140 	aac_rx_get_istatus,
    141 	aac_rx_clear_istatus,
    142 	aac_rx_set_mailbox,
    143 	aac_rx_get_mailbox,
    144 	aac_rx_set_interrupts,
    145 	aac_rx_send_command,
    146 	aac_rx_get_outb_queue,
    147 	aac_rx_set_outb_queue
    148 };
    149 
    150 static const struct aac_interface aac_sa_interface = {
    151 	aac_sa_get_fwstatus,
    152 	aac_sa_qnotify,
    153 	aac_sa_get_istatus,
    154 	aac_sa_clear_istatus,
    155 	aac_sa_set_mailbox,
    156 	aac_sa_get_mailbox,
    157 	aac_sa_set_interrupts,
    158 	NULL, NULL, NULL
    159 };
    160 
    161 static const struct aac_interface aac_rkt_interface = {
    162 	aac_rkt_get_fwstatus,
    163 	aac_rkt_qnotify,
    164 	aac_rkt_get_istatus,
    165 	aac_rkt_clear_istatus,
    166 	aac_rkt_set_mailbox,
    167 	aac_rkt_get_mailbox,
    168 	aac_rkt_set_interrupts,
    169 	aac_rkt_send_command,
    170 	aac_rkt_get_outb_queue,
    171 	aac_rkt_set_outb_queue
    172 };
    173 
    174 static struct aac_ident {
    175 	u_short	vendor;
    176 	u_short	device;
    177 	u_short	subvendor;
    178 	u_short	subdevice;
    179 	u_short	hwif;
    180 	u_short	quirks;
    181 	const char	*prodstr;
    182 } const aac_ident[] = {
    183 	{
    184 		PCI_VENDOR_DELL,
    185 		PCI_PRODUCT_DELL_PERC_2SI,
    186 		PCI_VENDOR_DELL,
    187 		PCI_PRODUCT_DELL_PERC_2SI,
    188 		AAC_HWIF_I960RX,
    189 		0,
    190 		"Dell PERC 2/Si"
    191 	},
    192 	{
    193 		PCI_VENDOR_DELL,
    194 		PCI_PRODUCT_DELL_PERC_3DI,
    195 		PCI_VENDOR_DELL,
    196 		PCI_PRODUCT_DELL_PERC_3DI,
    197 		AAC_HWIF_I960RX,
    198 		0,
    199 		"Dell PERC 3/Di"
    200 	},
    201 	{
    202 		PCI_VENDOR_DELL,
    203 		PCI_PRODUCT_DELL_PERC_3DI,
    204 		PCI_VENDOR_DELL,
    205 		PCI_PRODUCT_DELL_PERC_3DI_SUB2,
    206 		AAC_HWIF_I960RX,
    207 		0,
    208 		"Dell PERC 3/Di"
    209 	},
    210 	{
    211 		PCI_VENDOR_DELL,
    212 		PCI_PRODUCT_DELL_PERC_3DI,
    213 		PCI_VENDOR_DELL,
    214 		PCI_PRODUCT_DELL_PERC_3DI_SUB3,
    215 		AAC_HWIF_I960RX,
    216 		0,
    217 		"Dell PERC 3/Di"
    218 	},
    219 	{
    220 		PCI_VENDOR_DELL,
    221 		PCI_PRODUCT_DELL_PERC_3DI_2,
    222 		PCI_VENDOR_DELL,
    223 		PCI_PRODUCT_DELL_PERC_3DI_2_SUB,
    224 		AAC_HWIF_I960RX,
    225 		0,
    226 		"Dell PERC 3/Di"
    227 	},
    228         {
    229 		PCI_VENDOR_DELL,
    230 		PCI_PRODUCT_DELL_PERC_3DI_3,
    231 		PCI_VENDOR_DELL,
    232 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB,
    233 		AAC_HWIF_I960RX,
    234 		0,
    235 		"Dell PERC 3/Di"
    236 	},
    237 	{
    238 		PCI_VENDOR_DELL,
    239 		PCI_PRODUCT_DELL_PERC_3DI_3,
    240 		PCI_VENDOR_DELL,
    241 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB2,
    242 		AAC_HWIF_I960RX,
    243 		0,
    244 		"Dell PERC 3/Di"
    245 	},
    246 	{
    247 		PCI_VENDOR_DELL,
    248 		PCI_PRODUCT_DELL_PERC_3DI_3,
    249 		PCI_VENDOR_DELL,
    250 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB3,
    251 		AAC_HWIF_I960RX,
    252 		0,
    253 		"Dell PERC 3/Di"
    254 	},
    255 	{
    256 		PCI_VENDOR_DELL,
    257 		PCI_PRODUCT_DELL_PERC_3SI,
    258 		PCI_VENDOR_DELL,
    259 		PCI_PRODUCT_DELL_PERC_3SI,
    260 		AAC_HWIF_I960RX,
    261 		0,
    262 		"Dell PERC 3/Si"
    263 	},
    264 	{
    265 		PCI_VENDOR_DELL,
    266 		PCI_PRODUCT_DELL_PERC_3SI_2,
    267 		PCI_VENDOR_DELL,
    268 		PCI_PRODUCT_DELL_PERC_3SI_2_SUB,
    269 		AAC_HWIF_I960RX,
    270 		0,
    271 		"Dell PERC 3/Si"
    272 	},
    273 	{
    274 		PCI_VENDOR_ADP2,
    275 		PCI_PRODUCT_ADP2_ASR2200S,
    276 		PCI_VENDOR_DELL,
    277 		PCI_PRODUCT_DELL_CERC_1_5,
    278 		AAC_HWIF_I960RX,
    279 		AAC_QUIRK_NO4GB,
    280 		"Dell CERC SATA RAID 1.5/6ch"
    281 	},
    282 	{
    283 		PCI_VENDOR_ADP2,
    284 		PCI_PRODUCT_ADP2_AAC2622,
    285 		PCI_VENDOR_ADP2,
    286 		PCI_PRODUCT_ADP2_AAC2622,
    287 		AAC_HWIF_I960RX,
    288 		0,
    289 		"Adaptec ADP-2622"
    290 	},
    291 	{
    292 		PCI_VENDOR_ADP2,
    293 		PCI_PRODUCT_ADP2_ASR2200S,
    294 		PCI_VENDOR_ADP2,
    295 		PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
    296 		AAC_HWIF_I960RX,
    297 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    298 		"Adaptec ASR-2200S"
    299 	},
    300 	{
    301 		PCI_VENDOR_ADP2,
    302 		PCI_PRODUCT_ADP2_ASR2200S,
    303 		PCI_VENDOR_DELL,
    304 		PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
    305 		AAC_HWIF_I960RX,
    306 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    307 		"Dell PERC 320/DC"
    308 	},
    309 	{
    310 		PCI_VENDOR_ADP2,
    311 		PCI_PRODUCT_ADP2_ASR2200S,
    312 		PCI_VENDOR_ADP2,
    313 		PCI_PRODUCT_ADP2_ASR2200S,
    314 		AAC_HWIF_I960RX,
    315 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    316 		"Adaptec ASR-2200S"
    317 	},
    318 	{
    319 		PCI_VENDOR_ADP2,
    320 		PCI_PRODUCT_ADP2_ASR2200S,
    321 		PCI_VENDOR_ADP2,
    322 		PCI_PRODUCT_ADP2_AAR2810SA,
    323 		AAC_HWIF_I960RX,
    324 		AAC_QUIRK_NO4GB,
    325 		"Adaptec AAR-2810SA"
    326 	},
    327 	{
    328 		PCI_VENDOR_ADP2,
    329 		PCI_PRODUCT_ADP2_ASR2200S,
    330 		PCI_VENDOR_ADP2,
    331 		PCI_PRODUCT_ADP2_ASR2120S,
    332 		AAC_HWIF_I960RX,
    333 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
    334 		"Adaptec ASR-2120S"
    335 	},
    336 	{
    337 		PCI_VENDOR_ADP2,
    338 		PCI_PRODUCT_ADP2_ASR2200S,
    339 		PCI_VENDOR_ADP2,
    340 		PCI_PRODUCT_ADP2_ASR2410SA,
    341 		AAC_HWIF_I960RX,
    342 		AAC_QUIRK_NO4GB,
    343 		"Adaptec ASR-2410SA"
    344 	},
    345 	{
    346 		PCI_VENDOR_ADP2,
    347 		PCI_PRODUCT_ADP2_ASR2200S,
    348 		PCI_VENDOR_HP,
    349 		PCI_PRODUCT_ADP2_HP_M110_G2,
    350 		AAC_HWIF_I960RX,
    351 		AAC_QUIRK_NO4GB,
    352 		"HP ML110 G2 (Adaptec ASR-2610SA)"
    353 	},
    354 	{
    355 		PCI_VENDOR_DEC,
    356 		PCI_PRODUCT_DEC_21554,
    357 		PCI_VENDOR_ADP2,
    358 		PCI_PRODUCT_ADP2_AAC364,
    359 		AAC_HWIF_STRONGARM,
    360 		0,
    361 		"Adaptec AAC-364"
    362 	},
    363 	{
    364 		PCI_VENDOR_DEC,
    365 		PCI_PRODUCT_DEC_21554,
    366 		PCI_VENDOR_ADP2,
    367 		PCI_PRODUCT_ADP2_ASR5400S,
    368 		AAC_HWIF_STRONGARM,
    369 		AAC_QUIRK_BROKEN_MMAP,
    370 		"Adaptec ASR-5400S"
    371 	},
    372 	{
    373 		PCI_VENDOR_DEC,
    374 		PCI_PRODUCT_DEC_21554,
    375 		PCI_VENDOR_ADP2,
    376 		PCI_PRODUCT_ADP2_PERC_2QC,
    377 		AAC_HWIF_STRONGARM,
    378 		AAC_QUIRK_PERC2QC,
    379 		"Dell PERC 2/QC"
    380 	},
    381 	{
    382 		PCI_VENDOR_DEC,
    383 		PCI_PRODUCT_DEC_21554,
    384 		PCI_VENDOR_ADP2,
    385 		PCI_PRODUCT_ADP2_PERC_3QC,
    386 		AAC_HWIF_STRONGARM,
    387 		0,
    388 		"Dell PERC 3/QC"
    389 	},
    390 	{
    391 		PCI_VENDOR_DEC,
    392 		PCI_PRODUCT_DEC_21554,
    393 		PCI_VENDOR_HP,
    394 		PCI_PRODUCT_HP_NETRAID_4M,
    395 		AAC_HWIF_STRONGARM,
    396 		0,
    397 		"HP NetRAID-4M"
    398 	},
    399 };
    400 
    401 static const struct aac_ident *
    402 aac_find_ident(struct pci_attach_args *pa)
    403 {
    404 	const struct aac_ident *m, *mm;
    405 	u_int32_t subsysid;
    406 
    407 	m = aac_ident;
    408 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
    409 
    410 	while (m < mm) {
    411 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
    412 		    m->device == PCI_PRODUCT(pa->pa_id)) {
    413 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
    414 			    PCI_SUBSYS_ID_REG);
    415 			if (m->subvendor == PCI_VENDOR(subsysid) &&
    416 			    m->subdevice == PCI_PRODUCT(subsysid))
    417 				return (m);
    418 		}
    419 		m++;
    420 	}
    421 
    422 	return (NULL);
    423 }
    424 
    425 static int
    426 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
    427 {
    428 	struct aac_pci_softc	*pcisc;
    429 
    430 	pcisc = (struct aac_pci_softc *) sc;
    431 
    432 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
    433 	sc->sc_ih = pci_intr_establish(pcisc->sc_pc, pcisc->sc_ih,
    434 				       IPL_BIO, hand, arg);
    435 	if (sc->sc_ih == NULL) {
    436 		return ENXIO;
    437 	}
    438 	return 0;
    439 }
    440 
    441 static int
    442 aac_pci_match(struct device *parent, struct cfdata *match,
    443     void *aux)
    444 {
    445 	struct pci_attach_args *pa;
    446 
    447 	pa = aux;
    448 
    449 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
    450 		return (0);
    451 
    452 	return (aac_find_ident(pa) != NULL);
    453 }
    454 
    455 static void
    456 aac_pci_attach(struct device *parent, struct device *self, void *aux)
    457 {
    458 	struct pci_attach_args *pa;
    459 	pci_chipset_tag_t pc;
    460 	struct aac_pci_softc *pcisc;
    461 	struct aac_softc *sc;
    462 	u_int16_t command;
    463 	bus_addr_t membase;
    464 	bus_size_t memsize;
    465 	const char *intrstr;
    466 	int state;
    467 	const struct aac_ident *m;
    468 
    469 	pa = aux;
    470 	pc = pa->pa_pc;
    471 	pcisc = (struct aac_pci_softc *)self;
    472 	pcisc->sc_pc = pc;
    473 	sc = &pcisc->sc_aac;
    474 	state = 0;
    475 
    476 	aprint_naive(": RAID controller\n");
    477 	aprint_normal(": ");
    478 
    479 	/*
    480 	 * Verify that the adapter is correctly set up in PCI space.
    481 	 */
    482 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    483 	command |= PCI_COMMAND_MASTER_ENABLE;
    484 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
    485 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    486 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
    487 
    488 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
    489 		aprint_error("can't enable bus-master feature\n");
    490 		goto bail_out;
    491 	}
    492 
    493 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
    494 		aprint_error("memory window not available\n");
    495 		goto bail_out;
    496 	}
    497 
    498 	/*
    499 	 * Map control/status registers.
    500 	 */
    501 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
    502 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
    503 	    &sc->sc_memh, &membase, &memsize)) {
    504 		aprint_error("can't find mem space\n");
    505 		goto bail_out;
    506 	}
    507 	state++;
    508 
    509 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
    510 		aprint_error("couldn't map interrupt\n");
    511 		goto bail_out;
    512 	}
    513 	intrstr = pci_intr_string(pc, pcisc->sc_ih);
    514 	sc->sc_ih = pci_intr_establish(pc, pcisc->sc_ih, IPL_BIO, aac_intr, sc);
    515 	if (sc->sc_ih == NULL) {
    516 		aprint_error("couldn't establish interrupt");
    517 		if (intrstr != NULL)
    518 			aprint_normal(" at %s", intrstr);
    519 		aprint_normal("\n");
    520 		goto bail_out;
    521 	}
    522 	state++;
    523 
    524 	sc->sc_dmat = pa->pa_dmat;
    525 
    526 	m = aac_find_ident(pa);
    527 	aprint_normal("%s\n", m->prodstr);
    528 	if (intrstr != NULL)
    529 		aprint_normal("%s: interrupting at %s\n",
    530 		    sc->sc_dv.dv_xname, intrstr);
    531 
    532 	sc->sc_hwif = m->hwif;
    533 	sc->sc_quirks = m->quirks;
    534 	switch (sc->sc_hwif) {
    535 		case AAC_HWIF_I960RX:
    536 			AAC_DPRINTF(AAC_D_MISC,
    537 			    ("set hardware up for i960Rx"));
    538 			sc->sc_if = aac_rx_interface;
    539 			break;
    540 
    541 		case AAC_HWIF_STRONGARM:
    542 			AAC_DPRINTF(AAC_D_MISC,
    543 			    ("set hardware up for StrongARM"));
    544 			sc->sc_if = aac_sa_interface;
    545 			break;
    546 
    547 		case AAC_HWIF_RKT:
    548 			AAC_DPRINTF(AAC_D_MISC,
    549 			    ("set hardware up for MIPS/Rocket"));
    550 			sc->sc_if = aac_rkt_interface;
    551 			break;
    552 	}
    553 	sc->sc_regsize = memsize;
    554 	sc->sc_intr_set = aac_pci_intr_set;
    555 
    556 	if (!aac_attach(sc))
    557 		return;
    558 
    559  bail_out:
    560 	if (state > 1)
    561 		pci_intr_disestablish(pc, sc->sc_ih);
    562 	if (state > 0)
    563 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
    564 }
    565 
    566 CFATTACH_DECL(aac_pci, sizeof(struct aac_softc),
    567     aac_pci_match, aac_pci_attach, NULL, NULL);
    568 
    569 /*
    570  * Read the current firmware status word.
    571  */
    572 static int
    573 aac_sa_get_fwstatus(struct aac_softc *sc)
    574 {
    575 
    576 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
    577 }
    578 
    579 static int
    580 aac_rx_get_fwstatus(struct aac_softc *sc)
    581 {
    582 
    583 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
    584 }
    585 
    586 static int
    587 aac_rkt_get_fwstatus(struct aac_softc *sc)
    588 {
    589 
    590 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
    591 }
    592 
    593 /*
    594  * Notify the controller of a change in a given queue
    595  */
    596 
    597 static void
    598 aac_sa_qnotify(struct aac_softc *sc, int qbit)
    599 {
    600 
    601 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
    602 }
    603 
    604 static void
    605 aac_rx_qnotify(struct aac_softc *sc, int qbit)
    606 {
    607 
    608 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
    609 }
    610 
    611 static void
    612 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
    613 {
    614 
    615 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
    616 }
    617 
    618 /*
    619  * Get the interrupt reason bits
    620  */
    621 static int
    622 aac_sa_get_istatus(struct aac_softc *sc)
    623 {
    624 
    625 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
    626 }
    627 
    628 static int
    629 aac_rx_get_istatus(struct aac_softc *sc)
    630 {
    631 
    632 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
    633 }
    634 
    635 static int
    636 aac_rkt_get_istatus(struct aac_softc *sc)
    637 {
    638 
    639 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
    640 }
    641 
    642 /*
    643  * Clear some interrupt reason bits
    644  */
    645 static void
    646 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
    647 {
    648 
    649 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
    650 }
    651 
    652 static void
    653 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
    654 {
    655 
    656 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
    657 }
    658 
    659 static void
    660 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
    661 {
    662 
    663 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
    664 }
    665 
    666 /*
    667  * Populate the mailbox and set the command word
    668  */
    669 static void
    670 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
    671 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    672 		   u_int32_t arg3)
    673 {
    674 
    675 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
    676 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
    677 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
    678 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
    679 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
    680 }
    681 
    682 static void
    683 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
    684 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    685 		   u_int32_t arg3)
    686 {
    687 
    688 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
    689 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
    690 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
    691 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
    692 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
    693 }
    694 
    695 static void
    696 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
    697 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
    698 		    u_int32_t arg3)
    699 {
    700 
    701 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
    702 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
    703 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
    704 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
    705 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
    706 }
    707 
    708 /*
    709  * Fetch the specified mailbox
    710  */
    711 static uint32_t
    712 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
    713 {
    714 
    715 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
    716 }
    717 
    718 static uint32_t
    719 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
    720 {
    721 
    722 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
    723 }
    724 
    725 static uint32_t
    726 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
    727 {
    728 
    729 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
    730 }
    731 
    732 /*
    733  * Set/clear interrupt masks
    734  */
    735 static void
    736 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
    737 {
    738 
    739 	if (enable)
    740 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
    741 	else
    742 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
    743 }
    744 
    745 static void
    746 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
    747 {
    748 
    749 	if (enable) {
    750 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
    751 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
    752 		else
    753 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
    754 	} else {
    755 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
    756 	}
    757 }
    758 
    759 static void
    760 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
    761 {
    762 
    763 	if (enable) {
    764 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
    765 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
    766 		else
    767 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
    768 	} else {
    769 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
    770 	}
    771 }
    772 
    773 /*
    774  * New comm. interface: Send command functions
    775  */
    776 static int
    777 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
    778 {
    779 	u_int32_t	index, device;
    780 
    781 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
    782 	if (index == 0xffffffffL)
    783 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
    784 	if (index == 0xffffffffL)
    785 		return index;
    786 #ifdef notyet
    787 	aac_enqueue_busy(ac);
    788 #endif
    789 	device = index;
    790 	AAC_SETREG4(sc, device,
    791 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
    792 	device += 4;
    793 	if (sizeof(bus_addr_t) > 4) {
    794 		AAC_SETREG4(sc, device,
    795 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
    796 	} else {
    797 		AAC_SETREG4(sc, device, 0);
    798 	}
    799 	device += 4;
    800 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
    801 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
    802 	return 0;
    803 }
    804 
    805 static int
    806 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
    807 {
    808 	u_int32_t	index, device;
    809 
    810 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
    811 	if (index == 0xffffffffL)
    812 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
    813 	if (index == 0xffffffffL)
    814 		return index;
    815 #ifdef notyet
    816 	aac_enqueue_busy(ac);
    817 #endif
    818 	device = index;
    819 	AAC_SETREG4(sc, device,
    820 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
    821 	device += 4;
    822 	if (sizeof(bus_addr_t) > 4) {
    823 		AAC_SETREG4(sc, device,
    824 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
    825 	} else {
    826 		AAC_SETREG4(sc, device, 0);
    827 	}
    828 	device += 4;
    829 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
    830 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
    831 	return 0;
    832 }
    833 
    834 /*
    835  * New comm. interface: get, set outbound queue index
    836  */
    837 static int
    838 aac_rx_get_outb_queue(struct aac_softc *sc)
    839 {
    840 
    841 	return AAC_GETREG4(sc, AAC_RX_OQUE);
    842 }
    843 
    844 static int
    845 aac_rkt_get_outb_queue(struct aac_softc *sc)
    846 {
    847 
    848 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
    849 }
    850 
    851 static void
    852 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
    853 {
    854 
    855 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
    856 }
    857 
    858 static void
    859 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
    860 {
    861 
    862 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
    863 }
    864