xref: /netbsd-src/sys/dev/pci/aac_pci.c (revision 181254a7b1bdde6873432bffef2d2decc4b5c22f)
1 /*	$NetBSD: aac_pci.c,v 1.40 2018/12/09 11:14:01 jdolecek 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 1.40 2018/12/09 11:14:01 jdolecek 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 	{	PCI_VENDOR_ADP2,
357 		PCI_PRODUCT_ADP2_ASR2200S,
358 		PCI_VENDOR_ADP2,
359 		PCI_PRODUCT_ADP2_2405,
360 		AAC_HWIF_I960RX,
361 		0,
362 		"Adaptec RAID 2405"
363 	},
364 	{	PCI_VENDOR_ADP2,
365 		PCI_PRODUCT_ADP2_ASR2200S,
366 		PCI_VENDOR_ADP2,
367 		PCI_PRODUCT_ADP2_2445,
368 		AAC_HWIF_I960RX,
369 		0,
370 		"Adaptec RAID 2445"
371 	},
372 	{	PCI_VENDOR_ADP2,
373 		PCI_PRODUCT_ADP2_ASR2200S,
374 		PCI_VENDOR_ADP2,
375 		PCI_PRODUCT_ADP2_2805,
376 		AAC_HWIF_I960RX,
377 		0,
378 		"Adaptec RAID 2805"
379 	},
380 	{	PCI_VENDOR_ADP2,
381 		PCI_PRODUCT_ADP2_ASR2200S,
382 		PCI_VENDOR_ADP2,
383 		PCI_PRODUCT_ADP2_3405,
384 		AAC_HWIF_I960RX,
385 		0,
386 		"Adaptec RAID 3405"
387 	},
388 	{	PCI_VENDOR_ADP2,
389 		PCI_PRODUCT_ADP2_ASR2200S,
390 		PCI_VENDOR_ADP2,
391 		PCI_PRODUCT_ADP2_3805,
392 		AAC_HWIF_I960RX,
393 		0,
394 		"Adaptec RAID 3805"
395 	},
396 	{
397 		PCI_VENDOR_DEC,
398 		PCI_PRODUCT_DEC_21554,
399 		PCI_VENDOR_ADP2,
400 		PCI_PRODUCT_ADP2_AAC364,
401 		AAC_HWIF_STRONGARM,
402 		0,
403 		"Adaptec AAC-364"
404 	},
405 	{
406 		PCI_VENDOR_DEC,
407 		PCI_PRODUCT_DEC_21554,
408 		PCI_VENDOR_ADP2,
409 		PCI_PRODUCT_ADP2_ASR5400S,
410 		AAC_HWIF_STRONGARM,
411 		AAC_QUIRK_BROKEN_MMAP,
412 		"Adaptec ASR-5400S"
413 	},
414 	{
415 		PCI_VENDOR_DEC,
416 		PCI_PRODUCT_DEC_21554,
417 		PCI_VENDOR_ADP2,
418 		PCI_PRODUCT_ADP2_PERC_2QC,
419 		AAC_HWIF_STRONGARM,
420 		AAC_QUIRK_PERC2QC,
421 		"Dell PERC 2/QC"
422 	},
423 	{
424 		PCI_VENDOR_DEC,
425 		PCI_PRODUCT_DEC_21554,
426 		PCI_VENDOR_ADP2,
427 		PCI_PRODUCT_ADP2_PERC_3QC,
428 		AAC_HWIF_STRONGARM,
429 		0,
430 		"Dell PERC 3/QC"
431 	},
432 	{
433 		PCI_VENDOR_DEC,
434 		PCI_PRODUCT_DEC_21554,
435 		PCI_VENDOR_HP,
436 		PCI_PRODUCT_HP_NETRAID_4M,
437 		AAC_HWIF_STRONGARM,
438 		0,
439 		"HP NetRAID-4M"
440 	},
441 	{
442 		PCI_VENDOR_ADP2,
443 		PCI_PRODUCT_ADP2_ASR2200S,
444 		PCI_VENDOR_SUN,
445 		PCI_PRODUCT_ADP2_ASR2120S,
446 		AAC_HWIF_I960RX,
447 		0,
448 		"SG-XPCIESAS-R-IN"
449 	},
450 };
451 
452 static const struct aac_ident *
453 aac_find_ident(struct pci_attach_args *pa)
454 {
455 	const struct aac_ident *m, *mm;
456 	u_int32_t subsysid;
457 
458 	m = aac_ident;
459 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
460 
461 	while (m < mm) {
462 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
463 		    m->device == PCI_PRODUCT(pa->pa_id)) {
464 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
465 			    PCI_SUBSYS_ID_REG);
466 			if (m->subvendor == PCI_VENDOR(subsysid) &&
467 			    m->subdevice == PCI_PRODUCT(subsysid))
468 				return (m);
469 		}
470 		m++;
471 	}
472 
473 	return (NULL);
474 }
475 
476 static int
477 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
478 {
479 	struct aac_pci_softc	*pcisc;
480 
481 	pcisc = (struct aac_pci_softc *) sc;
482 
483 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
484 	sc->sc_ih = pci_intr_establish_xname(pcisc->sc_pc, pcisc->sc_ih,
485 	    IPL_BIO, hand, arg, device_xname(sc->sc_dv));
486 	if (sc->sc_ih == NULL) {
487 		return ENXIO;
488 	}
489 	return 0;
490 }
491 
492 static int
493 aac_pci_match(device_t parent, cfdata_t match, void *aux)
494 {
495 	struct pci_attach_args *pa;
496 
497 	pa = aux;
498 
499 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
500 		return (0);
501 
502 	return (aac_find_ident(pa) != NULL);
503 }
504 
505 static void
506 aac_pci_attach(device_t parent, device_t self, void *aux)
507 {
508 	struct pci_attach_args *pa;
509 	pci_chipset_tag_t pc;
510 	struct aac_pci_softc *pcisc;
511 	struct aac_softc *sc;
512 	u_int16_t command;
513 	bus_addr_t membase;
514 	bus_size_t memsize;
515 	const char *intrstr;
516 	int state;
517 	const struct aac_ident *m;
518 	char intrbuf[PCI_INTRSTR_LEN];
519 
520 	pa = aux;
521 	pc = pa->pa_pc;
522 	pcisc = device_private(self);
523 	pcisc->sc_pc = pc;
524 	sc = &pcisc->sc_aac;
525 	sc->sc_dv = self;
526 	state = 0;
527 
528 	aprint_naive(": RAID controller\n");
529 	aprint_normal(": ");
530 
531 	/*
532 	 * Verify that the adapter is correctly set up in PCI space.
533 	 */
534 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
535 	command |= PCI_COMMAND_MASTER_ENABLE;
536 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
537 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
538 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
539 
540 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
541 		aprint_error("can't enable bus-master feature\n");
542 		goto bail_out;
543 	}
544 
545 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
546 		aprint_error("memory window not available\n");
547 		goto bail_out;
548 	}
549 
550 	/*
551 	 * Map control/status registers.
552 	 */
553 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
554 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
555 	    &sc->sc_memh, &membase, &memsize)) {
556 		aprint_error("can't find mem space\n");
557 		goto bail_out;
558 	}
559 	state++;
560 
561 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
562 		aprint_error("couldn't map interrupt\n");
563 		goto bail_out;
564 	}
565 	intrstr = pci_intr_string(pc, pcisc->sc_ih, intrbuf, sizeof(intrbuf));
566 	sc->sc_ih = pci_intr_establish_xname(pc, pcisc->sc_ih, IPL_BIO,
567 	    aac_intr, sc, device_xname(self));
568 	if (sc->sc_ih == NULL) {
569 		aprint_error("couldn't establish interrupt");
570 		if (intrstr != NULL)
571 			aprint_error(" at %s", intrstr);
572 		aprint_error("\n");
573 		goto bail_out;
574 	}
575 	state++;
576 
577 	sc->sc_dmat = pa->pa_dmat;
578 
579 	m = aac_find_ident(pa);
580 	aprint_normal("%s\n", m->prodstr);
581 	if (intrstr != NULL)
582 		aprint_normal_dev(self, "interrupting at %s\n", intrstr);
583 
584 	sc->sc_hwif = m->hwif;
585 	sc->sc_quirks = m->quirks;
586 	switch (sc->sc_hwif) {
587 		case AAC_HWIF_I960RX:
588 			AAC_DPRINTF(AAC_D_MISC,
589 			    ("set hardware up for i960Rx"));
590 			sc->sc_if = aac_rx_interface;
591 			break;
592 
593 		case AAC_HWIF_STRONGARM:
594 			AAC_DPRINTF(AAC_D_MISC,
595 			    ("set hardware up for StrongARM"));
596 			sc->sc_if = aac_sa_interface;
597 			break;
598 
599 		case AAC_HWIF_RKT:
600 			AAC_DPRINTF(AAC_D_MISC,
601 			    ("set hardware up for MIPS/Rocket"));
602 			sc->sc_if = aac_rkt_interface;
603 			break;
604 	}
605 	sc->sc_regsize = memsize;
606 	sc->sc_intr_set = aac_pci_intr_set;
607 
608 	if (!aac_attach(sc))
609 		return;
610 
611  bail_out:
612 	if (state > 1)
613 		pci_intr_disestablish(pc, sc->sc_ih);
614 	if (state > 0)
615 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
616 }
617 
618 /* ARGSUSED */
619 static int
620 aac_pci_rescan(device_t self, const char *attr, const int *flags)
621 {
622 
623 	return aac_devscan(device_private(self));
624 }
625 
626 CFATTACH_DECL3_NEW(aac_pci, sizeof(struct aac_pci_softc),
627     aac_pci_match, aac_pci_attach, NULL, NULL, aac_pci_rescan, NULL, 0);
628 
629 /*
630  * Read the current firmware status word.
631  */
632 static int
633 aac_sa_get_fwstatus(struct aac_softc *sc)
634 {
635 
636 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
637 }
638 
639 static int
640 aac_rx_get_fwstatus(struct aac_softc *sc)
641 {
642 
643 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
644 }
645 
646 static int
647 aac_rkt_get_fwstatus(struct aac_softc *sc)
648 {
649 
650 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
651 }
652 
653 /*
654  * Notify the controller of a change in a given queue
655  */
656 
657 static void
658 aac_sa_qnotify(struct aac_softc *sc, int qbit)
659 {
660 
661 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
662 }
663 
664 static void
665 aac_rx_qnotify(struct aac_softc *sc, int qbit)
666 {
667 
668 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
669 }
670 
671 static void
672 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
673 {
674 
675 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
676 }
677 
678 /*
679  * Get the interrupt reason bits
680  */
681 static int
682 aac_sa_get_istatus(struct aac_softc *sc)
683 {
684 
685 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
686 }
687 
688 static int
689 aac_rx_get_istatus(struct aac_softc *sc)
690 {
691 
692 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
693 }
694 
695 static int
696 aac_rkt_get_istatus(struct aac_softc *sc)
697 {
698 
699 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
700 }
701 
702 /*
703  * Clear some interrupt reason bits
704  */
705 static void
706 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
707 {
708 
709 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
710 }
711 
712 static void
713 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
714 {
715 
716 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
717 }
718 
719 static void
720 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
721 {
722 
723 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
724 }
725 
726 /*
727  * Populate the mailbox and set the command word
728  */
729 static void
730 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
731 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
732 		   u_int32_t arg3)
733 {
734 
735 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
736 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
737 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
738 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
739 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
740 }
741 
742 static void
743 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
744 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
745 		   u_int32_t arg3)
746 {
747 
748 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
749 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
750 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
751 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
752 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
753 }
754 
755 static void
756 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
757 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
758 		    u_int32_t arg3)
759 {
760 
761 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
762 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
763 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
764 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
765 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
766 }
767 
768 /*
769  * Fetch the specified mailbox
770  */
771 static uint32_t
772 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
773 {
774 
775 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
776 }
777 
778 static uint32_t
779 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
780 {
781 
782 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
783 }
784 
785 static uint32_t
786 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
787 {
788 
789 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
790 }
791 
792 /*
793  * Set/clear interrupt masks
794  */
795 static void
796 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
797 {
798 
799 	if (enable)
800 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
801 	else
802 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
803 }
804 
805 static void
806 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
807 {
808 
809 	if (enable) {
810 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
811 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
812 		else
813 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
814 	} else {
815 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
816 	}
817 }
818 
819 static void
820 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
821 {
822 
823 	if (enable) {
824 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
825 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
826 		else
827 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
828 	} else {
829 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
830 	}
831 }
832 
833 /*
834  * New comm. interface: Send command functions
835  */
836 static int
837 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
838 {
839 	u_int32_t	index, device;
840 
841 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
842 	if (index == 0xffffffffL)
843 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
844 	if (index == 0xffffffffL)
845 		return index;
846 #ifdef notyet
847 	aac_enqueue_busy(ac);
848 #endif
849 	device = index;
850 	AAC_SETREG4(sc, device,
851 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
852 	device += 4;
853 	if (sizeof(bus_addr_t) > 4) {
854 		AAC_SETREG4(sc, device,
855 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
856 	} else {
857 		AAC_SETREG4(sc, device, 0);
858 	}
859 	device += 4;
860 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
861 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
862 	return 0;
863 }
864 
865 static int
866 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
867 {
868 	u_int32_t	index, device;
869 
870 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
871 	if (index == 0xffffffffL)
872 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
873 	if (index == 0xffffffffL)
874 		return index;
875 #ifdef notyet
876 	aac_enqueue_busy(ac);
877 #endif
878 	device = index;
879 	AAC_SETREG4(sc, device,
880 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
881 	device += 4;
882 	if (sizeof(bus_addr_t) > 4) {
883 		AAC_SETREG4(sc, device,
884 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
885 	} else {
886 		AAC_SETREG4(sc, device, 0);
887 	}
888 	device += 4;
889 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
890 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
891 	return 0;
892 }
893 
894 /*
895  * New comm. interface: get, set outbound queue index
896  */
897 static int
898 aac_rx_get_outb_queue(struct aac_softc *sc)
899 {
900 
901 	return AAC_GETREG4(sc, AAC_RX_OQUE);
902 }
903 
904 static int
905 aac_rkt_get_outb_queue(struct aac_softc *sc)
906 {
907 
908 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
909 }
910 
911 static void
912 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
913 {
914 
915 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
916 }
917 
918 static void
919 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
920 {
921 
922 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
923 }
924