xref: /netbsd-src/sys/dev/pci/aac_pci.c (revision cb861154c176d3dcc8ff846f449e3c16a5f5edb5)
1 /*	$NetBSD: aac_pci.c,v 1.32 2011/02/18 22:54:27 jmcneill 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 1.32 2011/02/18 22:54:27 jmcneill 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_3405,
360 		AAC_HWIF_I960RX,
361 		0,
362 		"Adaptec RAID 3405"
363 	},
364 	{
365 		PCI_VENDOR_DEC,
366 		PCI_PRODUCT_DEC_21554,
367 		PCI_VENDOR_ADP2,
368 		PCI_PRODUCT_ADP2_AAC364,
369 		AAC_HWIF_STRONGARM,
370 		0,
371 		"Adaptec AAC-364"
372 	},
373 	{
374 		PCI_VENDOR_DEC,
375 		PCI_PRODUCT_DEC_21554,
376 		PCI_VENDOR_ADP2,
377 		PCI_PRODUCT_ADP2_ASR5400S,
378 		AAC_HWIF_STRONGARM,
379 		AAC_QUIRK_BROKEN_MMAP,
380 		"Adaptec ASR-5400S"
381 	},
382 	{
383 		PCI_VENDOR_DEC,
384 		PCI_PRODUCT_DEC_21554,
385 		PCI_VENDOR_ADP2,
386 		PCI_PRODUCT_ADP2_PERC_2QC,
387 		AAC_HWIF_STRONGARM,
388 		AAC_QUIRK_PERC2QC,
389 		"Dell PERC 2/QC"
390 	},
391 	{
392 		PCI_VENDOR_DEC,
393 		PCI_PRODUCT_DEC_21554,
394 		PCI_VENDOR_ADP2,
395 		PCI_PRODUCT_ADP2_PERC_3QC,
396 		AAC_HWIF_STRONGARM,
397 		0,
398 		"Dell PERC 3/QC"
399 	},
400 	{
401 		PCI_VENDOR_DEC,
402 		PCI_PRODUCT_DEC_21554,
403 		PCI_VENDOR_HP,
404 		PCI_PRODUCT_HP_NETRAID_4M,
405 		AAC_HWIF_STRONGARM,
406 		0,
407 		"HP NetRAID-4M"
408 	},
409 	{	0x9005,
410 		0x0285,
411 		0x108e,
412 		0x286,
413 		AAC_HWIF_I960RX,
414 		0,
415 		"SG-XPCIESAS-R-IN"
416 	},
417 };
418 
419 static const struct aac_ident *
420 aac_find_ident(struct pci_attach_args *pa)
421 {
422 	const struct aac_ident *m, *mm;
423 	u_int32_t subsysid;
424 
425 	m = aac_ident;
426 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
427 
428 	while (m < mm) {
429 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
430 		    m->device == PCI_PRODUCT(pa->pa_id)) {
431 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
432 			    PCI_SUBSYS_ID_REG);
433 			if (m->subvendor == PCI_VENDOR(subsysid) &&
434 			    m->subdevice == PCI_PRODUCT(subsysid))
435 				return (m);
436 		}
437 		m++;
438 	}
439 
440 	return (NULL);
441 }
442 
443 static int
444 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
445 {
446 	struct aac_pci_softc	*pcisc;
447 
448 	pcisc = (struct aac_pci_softc *) sc;
449 
450 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
451 	sc->sc_ih = pci_intr_establish(pcisc->sc_pc, pcisc->sc_ih,
452 				       IPL_BIO, hand, arg);
453 	if (sc->sc_ih == NULL) {
454 		return ENXIO;
455 	}
456 	return 0;
457 }
458 
459 static int
460 aac_pci_match(device_t parent, cfdata_t match, void *aux)
461 {
462 	struct pci_attach_args *pa;
463 
464 	pa = aux;
465 
466 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
467 		return (0);
468 
469 	return (aac_find_ident(pa) != NULL);
470 }
471 
472 static void
473 aac_pci_attach(device_t parent, device_t self, void *aux)
474 {
475 	struct pci_attach_args *pa;
476 	pci_chipset_tag_t pc;
477 	struct aac_pci_softc *pcisc;
478 	struct aac_softc *sc;
479 	u_int16_t command;
480 	bus_addr_t membase;
481 	bus_size_t memsize;
482 	const char *intrstr;
483 	int state;
484 	const struct aac_ident *m;
485 
486 	pa = aux;
487 	pc = pa->pa_pc;
488 	pcisc = device_private(self);
489 	pcisc->sc_pc = pc;
490 	sc = &pcisc->sc_aac;
491 	state = 0;
492 
493 	aprint_naive(": RAID controller\n");
494 	aprint_normal(": ");
495 
496 	/*
497 	 * Verify that the adapter is correctly set up in PCI space.
498 	 */
499 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
500 	command |= PCI_COMMAND_MASTER_ENABLE;
501 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
502 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
503 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
504 
505 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
506 		aprint_error("can't enable bus-master feature\n");
507 		goto bail_out;
508 	}
509 
510 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
511 		aprint_error("memory window not available\n");
512 		goto bail_out;
513 	}
514 
515 	/*
516 	 * Map control/status registers.
517 	 */
518 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
519 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
520 	    &sc->sc_memh, &membase, &memsize)) {
521 		aprint_error("can't find mem space\n");
522 		goto bail_out;
523 	}
524 	state++;
525 
526 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
527 		aprint_error("couldn't map interrupt\n");
528 		goto bail_out;
529 	}
530 	intrstr = pci_intr_string(pc, pcisc->sc_ih);
531 	sc->sc_ih = pci_intr_establish(pc, pcisc->sc_ih, IPL_BIO, aac_intr, sc);
532 	if (sc->sc_ih == NULL) {
533 		aprint_error("couldn't establish interrupt");
534 		if (intrstr != NULL)
535 			aprint_error(" at %s", intrstr);
536 		aprint_error("\n");
537 		goto bail_out;
538 	}
539 	state++;
540 
541 	sc->sc_dmat = pa->pa_dmat;
542 
543 	m = aac_find_ident(pa);
544 	aprint_normal("%s\n", m->prodstr);
545 	if (intrstr != NULL)
546 		aprint_normal_dev(&sc->sc_dv, "interrupting at %s\n",
547 		    intrstr);
548 
549 	sc->sc_hwif = m->hwif;
550 	sc->sc_quirks = m->quirks;
551 	switch (sc->sc_hwif) {
552 		case AAC_HWIF_I960RX:
553 			AAC_DPRINTF(AAC_D_MISC,
554 			    ("set hardware up for i960Rx"));
555 			sc->sc_if = aac_rx_interface;
556 			break;
557 
558 		case AAC_HWIF_STRONGARM:
559 			AAC_DPRINTF(AAC_D_MISC,
560 			    ("set hardware up for StrongARM"));
561 			sc->sc_if = aac_sa_interface;
562 			break;
563 
564 		case AAC_HWIF_RKT:
565 			AAC_DPRINTF(AAC_D_MISC,
566 			    ("set hardware up for MIPS/Rocket"));
567 			sc->sc_if = aac_rkt_interface;
568 			break;
569 	}
570 	sc->sc_regsize = memsize;
571 	sc->sc_intr_set = aac_pci_intr_set;
572 
573 	if (!aac_attach(sc))
574 		return;
575 
576  bail_out:
577 	if (state > 1)
578 		pci_intr_disestablish(pc, sc->sc_ih);
579 	if (state > 0)
580 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
581 }
582 
583 CFATTACH_DECL(aac_pci, sizeof(struct aac_pci_softc),
584     aac_pci_match, aac_pci_attach, NULL, NULL);
585 
586 /*
587  * Read the current firmware status word.
588  */
589 static int
590 aac_sa_get_fwstatus(struct aac_softc *sc)
591 {
592 
593 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
594 }
595 
596 static int
597 aac_rx_get_fwstatus(struct aac_softc *sc)
598 {
599 
600 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
601 }
602 
603 static int
604 aac_rkt_get_fwstatus(struct aac_softc *sc)
605 {
606 
607 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
608 }
609 
610 /*
611  * Notify the controller of a change in a given queue
612  */
613 
614 static void
615 aac_sa_qnotify(struct aac_softc *sc, int qbit)
616 {
617 
618 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
619 }
620 
621 static void
622 aac_rx_qnotify(struct aac_softc *sc, int qbit)
623 {
624 
625 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
626 }
627 
628 static void
629 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
630 {
631 
632 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
633 }
634 
635 /*
636  * Get the interrupt reason bits
637  */
638 static int
639 aac_sa_get_istatus(struct aac_softc *sc)
640 {
641 
642 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
643 }
644 
645 static int
646 aac_rx_get_istatus(struct aac_softc *sc)
647 {
648 
649 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
650 }
651 
652 static int
653 aac_rkt_get_istatus(struct aac_softc *sc)
654 {
655 
656 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
657 }
658 
659 /*
660  * Clear some interrupt reason bits
661  */
662 static void
663 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
664 {
665 
666 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
667 }
668 
669 static void
670 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
671 {
672 
673 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
674 }
675 
676 static void
677 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
678 {
679 
680 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
681 }
682 
683 /*
684  * Populate the mailbox and set the command word
685  */
686 static void
687 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
688 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
689 		   u_int32_t arg3)
690 {
691 
692 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
693 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
694 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
695 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
696 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
697 }
698 
699 static void
700 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
701 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
702 		   u_int32_t arg3)
703 {
704 
705 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
706 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
707 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
708 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
709 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
710 }
711 
712 static void
713 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
714 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
715 		    u_int32_t arg3)
716 {
717 
718 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
719 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
720 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
721 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
722 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
723 }
724 
725 /*
726  * Fetch the specified mailbox
727  */
728 static uint32_t
729 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
730 {
731 
732 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
733 }
734 
735 static uint32_t
736 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
737 {
738 
739 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
740 }
741 
742 static uint32_t
743 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
744 {
745 
746 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
747 }
748 
749 /*
750  * Set/clear interrupt masks
751  */
752 static void
753 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
754 {
755 
756 	if (enable)
757 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
758 	else
759 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
760 }
761 
762 static void
763 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
764 {
765 
766 	if (enable) {
767 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
768 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
769 		else
770 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
771 	} else {
772 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
773 	}
774 }
775 
776 static void
777 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
778 {
779 
780 	if (enable) {
781 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
782 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
783 		else
784 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
785 	} else {
786 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
787 	}
788 }
789 
790 /*
791  * New comm. interface: Send command functions
792  */
793 static int
794 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
795 {
796 	u_int32_t	index, device;
797 
798 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
799 	if (index == 0xffffffffL)
800 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
801 	if (index == 0xffffffffL)
802 		return index;
803 #ifdef notyet
804 	aac_enqueue_busy(ac);
805 #endif
806 	device = index;
807 	AAC_SETREG4(sc, device,
808 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
809 	device += 4;
810 	if (sizeof(bus_addr_t) > 4) {
811 		AAC_SETREG4(sc, device,
812 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
813 	} else {
814 		AAC_SETREG4(sc, device, 0);
815 	}
816 	device += 4;
817 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
818 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
819 	return 0;
820 }
821 
822 static int
823 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
824 {
825 	u_int32_t	index, device;
826 
827 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
828 	if (index == 0xffffffffL)
829 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
830 	if (index == 0xffffffffL)
831 		return index;
832 #ifdef notyet
833 	aac_enqueue_busy(ac);
834 #endif
835 	device = index;
836 	AAC_SETREG4(sc, device,
837 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
838 	device += 4;
839 	if (sizeof(bus_addr_t) > 4) {
840 		AAC_SETREG4(sc, device,
841 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
842 	} else {
843 		AAC_SETREG4(sc, device, 0);
844 	}
845 	device += 4;
846 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
847 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
848 	return 0;
849 }
850 
851 /*
852  * New comm. interface: get, set outbound queue index
853  */
854 static int
855 aac_rx_get_outb_queue(struct aac_softc *sc)
856 {
857 
858 	return AAC_GETREG4(sc, AAC_RX_OQUE);
859 }
860 
861 static int
862 aac_rkt_get_outb_queue(struct aac_softc *sc)
863 {
864 
865 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
866 }
867 
868 static void
869 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
870 {
871 
872 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
873 }
874 
875 static void
876 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
877 {
878 
879 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
880 }
881