xref: /netbsd-src/sys/dev/pci/aac_pci.c (revision 466a16a118933bd295a8a104f095714fadf9cf68)
1 /*	$NetBSD: aac_pci.c,v 1.25 2008/05/08 15:33:34 sborrill 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 1.25 2008/05/08 15:33:34 sborrill 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 };
402 
403 static const struct aac_ident *
404 aac_find_ident(struct pci_attach_args *pa)
405 {
406 	const struct aac_ident *m, *mm;
407 	u_int32_t subsysid;
408 
409 	m = aac_ident;
410 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
411 
412 	while (m < mm) {
413 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
414 		    m->device == PCI_PRODUCT(pa->pa_id)) {
415 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
416 			    PCI_SUBSYS_ID_REG);
417 			if (m->subvendor == PCI_VENDOR(subsysid) &&
418 			    m->subdevice == PCI_PRODUCT(subsysid))
419 				return (m);
420 		}
421 		m++;
422 	}
423 
424 	return (NULL);
425 }
426 
427 static int
428 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
429 {
430 	struct aac_pci_softc	*pcisc;
431 
432 	pcisc = (struct aac_pci_softc *) sc;
433 
434 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
435 	sc->sc_ih = pci_intr_establish(pcisc->sc_pc, pcisc->sc_ih,
436 				       IPL_BIO, hand, arg);
437 	if (sc->sc_ih == NULL) {
438 		return ENXIO;
439 	}
440 	return 0;
441 }
442 
443 static int
444 aac_pci_match(struct device *parent, struct cfdata *match,
445     void *aux)
446 {
447 	struct pci_attach_args *pa;
448 
449 	pa = aux;
450 
451 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
452 		return (0);
453 
454 	return (aac_find_ident(pa) != NULL);
455 }
456 
457 static void
458 aac_pci_attach(struct device *parent, struct device *self, void *aux)
459 {
460 	struct pci_attach_args *pa;
461 	pci_chipset_tag_t pc;
462 	struct aac_pci_softc *pcisc;
463 	struct aac_softc *sc;
464 	u_int16_t command;
465 	bus_addr_t membase;
466 	bus_size_t memsize;
467 	const char *intrstr;
468 	int state;
469 	const struct aac_ident *m;
470 
471 	pa = aux;
472 	pc = pa->pa_pc;
473 	pcisc = (struct aac_pci_softc *)self;
474 	pcisc->sc_pc = pc;
475 	sc = &pcisc->sc_aac;
476 	state = 0;
477 
478 	aprint_naive(": RAID controller\n");
479 	aprint_normal(": ");
480 
481 	/*
482 	 * Verify that the adapter is correctly set up in PCI space.
483 	 */
484 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
485 	command |= PCI_COMMAND_MASTER_ENABLE;
486 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
487 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
488 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
489 
490 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
491 		aprint_error("can't enable bus-master feature\n");
492 		goto bail_out;
493 	}
494 
495 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
496 		aprint_error("memory window not available\n");
497 		goto bail_out;
498 	}
499 
500 	/*
501 	 * Map control/status registers.
502 	 */
503 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
504 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
505 	    &sc->sc_memh, &membase, &memsize)) {
506 		aprint_error("can't find mem space\n");
507 		goto bail_out;
508 	}
509 	state++;
510 
511 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
512 		aprint_error("couldn't map interrupt\n");
513 		goto bail_out;
514 	}
515 	intrstr = pci_intr_string(pc, pcisc->sc_ih);
516 	sc->sc_ih = pci_intr_establish(pc, pcisc->sc_ih, IPL_BIO, aac_intr, sc);
517 	if (sc->sc_ih == NULL) {
518 		aprint_error("couldn't establish interrupt");
519 		if (intrstr != NULL)
520 			aprint_normal(" at %s", intrstr);
521 		aprint_normal("\n");
522 		goto bail_out;
523 	}
524 	state++;
525 
526 	sc->sc_dmat = pa->pa_dmat;
527 
528 	m = aac_find_ident(pa);
529 	aprint_normal("%s\n", m->prodstr);
530 	if (intrstr != NULL)
531 		aprint_normal_dev(&sc->sc_dv, "interrupting at %s\n",
532 		    intrstr);
533 
534 	sc->sc_hwif = m->hwif;
535 	sc->sc_quirks = m->quirks;
536 	switch (sc->sc_hwif) {
537 		case AAC_HWIF_I960RX:
538 			AAC_DPRINTF(AAC_D_MISC,
539 			    ("set hardware up for i960Rx"));
540 			sc->sc_if = aac_rx_interface;
541 			break;
542 
543 		case AAC_HWIF_STRONGARM:
544 			AAC_DPRINTF(AAC_D_MISC,
545 			    ("set hardware up for StrongARM"));
546 			sc->sc_if = aac_sa_interface;
547 			break;
548 
549 		case AAC_HWIF_RKT:
550 			AAC_DPRINTF(AAC_D_MISC,
551 			    ("set hardware up for MIPS/Rocket"));
552 			sc->sc_if = aac_rkt_interface;
553 			break;
554 	}
555 	sc->sc_regsize = memsize;
556 	sc->sc_intr_set = aac_pci_intr_set;
557 
558 	if (!aac_attach(sc))
559 		return;
560 
561  bail_out:
562 	if (state > 1)
563 		pci_intr_disestablish(pc, sc->sc_ih);
564 	if (state > 0)
565 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
566 }
567 
568 CFATTACH_DECL(aac_pci, sizeof(struct aac_softc),
569     aac_pci_match, aac_pci_attach, NULL, NULL);
570 
571 /*
572  * Read the current firmware status word.
573  */
574 static int
575 aac_sa_get_fwstatus(struct aac_softc *sc)
576 {
577 
578 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
579 }
580 
581 static int
582 aac_rx_get_fwstatus(struct aac_softc *sc)
583 {
584 
585 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
586 }
587 
588 static int
589 aac_rkt_get_fwstatus(struct aac_softc *sc)
590 {
591 
592 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
593 }
594 
595 /*
596  * Notify the controller of a change in a given queue
597  */
598 
599 static void
600 aac_sa_qnotify(struct aac_softc *sc, int qbit)
601 {
602 
603 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
604 }
605 
606 static void
607 aac_rx_qnotify(struct aac_softc *sc, int qbit)
608 {
609 
610 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
611 }
612 
613 static void
614 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
615 {
616 
617 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
618 }
619 
620 /*
621  * Get the interrupt reason bits
622  */
623 static int
624 aac_sa_get_istatus(struct aac_softc *sc)
625 {
626 
627 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
628 }
629 
630 static int
631 aac_rx_get_istatus(struct aac_softc *sc)
632 {
633 
634 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
635 }
636 
637 static int
638 aac_rkt_get_istatus(struct aac_softc *sc)
639 {
640 
641 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
642 }
643 
644 /*
645  * Clear some interrupt reason bits
646  */
647 static void
648 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
649 {
650 
651 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
652 }
653 
654 static void
655 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
656 {
657 
658 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
659 }
660 
661 static void
662 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
663 {
664 
665 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
666 }
667 
668 /*
669  * Populate the mailbox and set the command word
670  */
671 static void
672 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
673 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
674 		   u_int32_t arg3)
675 {
676 
677 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
678 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
679 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
680 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
681 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
682 }
683 
684 static void
685 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
686 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
687 		   u_int32_t arg3)
688 {
689 
690 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
691 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
692 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
693 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
694 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
695 }
696 
697 static void
698 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
699 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
700 		    u_int32_t arg3)
701 {
702 
703 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
704 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
705 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
706 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
707 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
708 }
709 
710 /*
711  * Fetch the specified mailbox
712  */
713 static uint32_t
714 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
715 {
716 
717 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
718 }
719 
720 static uint32_t
721 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
722 {
723 
724 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
725 }
726 
727 static uint32_t
728 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
729 {
730 
731 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
732 }
733 
734 /*
735  * Set/clear interrupt masks
736  */
737 static void
738 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
739 {
740 
741 	if (enable)
742 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
743 	else
744 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
745 }
746 
747 static void
748 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
749 {
750 
751 	if (enable) {
752 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
753 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
754 		else
755 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
756 	} else {
757 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
758 	}
759 }
760 
761 static void
762 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
763 {
764 
765 	if (enable) {
766 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
767 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
768 		else
769 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
770 	} else {
771 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
772 	}
773 }
774 
775 /*
776  * New comm. interface: Send command functions
777  */
778 static int
779 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
780 {
781 	u_int32_t	index, device;
782 
783 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
784 	if (index == 0xffffffffL)
785 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
786 	if (index == 0xffffffffL)
787 		return index;
788 #ifdef notyet
789 	aac_enqueue_busy(ac);
790 #endif
791 	device = index;
792 	AAC_SETREG4(sc, device,
793 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
794 	device += 4;
795 	if (sizeof(bus_addr_t) > 4) {
796 		AAC_SETREG4(sc, device,
797 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
798 	} else {
799 		AAC_SETREG4(sc, device, 0);
800 	}
801 	device += 4;
802 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
803 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
804 	return 0;
805 }
806 
807 static int
808 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
809 {
810 	u_int32_t	index, device;
811 
812 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
813 	if (index == 0xffffffffL)
814 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
815 	if (index == 0xffffffffL)
816 		return index;
817 #ifdef notyet
818 	aac_enqueue_busy(ac);
819 #endif
820 	device = index;
821 	AAC_SETREG4(sc, device,
822 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
823 	device += 4;
824 	if (sizeof(bus_addr_t) > 4) {
825 		AAC_SETREG4(sc, device,
826 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
827 	} else {
828 		AAC_SETREG4(sc, device, 0);
829 	}
830 	device += 4;
831 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
832 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
833 	return 0;
834 }
835 
836 /*
837  * New comm. interface: get, set outbound queue index
838  */
839 static int
840 aac_rx_get_outb_queue(struct aac_softc *sc)
841 {
842 
843 	return AAC_GETREG4(sc, AAC_RX_OQUE);
844 }
845 
846 static int
847 aac_rkt_get_outb_queue(struct aac_softc *sc)
848 {
849 
850 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
851 }
852 
853 static void
854 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
855 {
856 
857 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
858 }
859 
860 static void
861 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
862 {
863 
864 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
865 }
866