xref: /netbsd/sys/dev/pci/aac_pci.c (revision 882ffae7)
1 /*	$NetBSD: aac_pci.c,v 1.42 2022/09/25 17:52:25 thorpej 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 1.42 2022/09/25 17:52:25 thorpej 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/queue.h>
75 
76 #include <sys/bus.h>
77 #include <machine/endian.h>
78 #include <sys/intr.h>
79 
80 #include <dev/pci/pcidevs.h>
81 #include <dev/pci/pcireg.h>
82 #include <dev/pci/pcivar.h>
83 
84 #include <dev/ic/aacreg.h>
85 #include <dev/ic/aacvar.h>
86 
87 struct aac_pci_softc {
88 	struct aac_softc	sc_aac;
89 	pci_chipset_tag_t	sc_pc;
90 	pci_intr_handle_t	sc_ih;
91 };
92 
93 /* i960Rx interface */
94 static int	aac_rx_get_fwstatus(struct aac_softc *);
95 static void	aac_rx_qnotify(struct aac_softc *, int);
96 static int	aac_rx_get_istatus(struct aac_softc *);
97 static void	aac_rx_clear_istatus(struct aac_softc *, int);
98 static void	aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
99 			   u_int32_t, u_int32_t, u_int32_t);
100 static uint32_t aac_rx_get_mailbox(struct aac_softc *, int);
101 static void	aac_rx_set_interrupts(struct aac_softc *, int);
102 static int	aac_rx_send_command(struct aac_softc *, struct aac_ccb *);
103 static int	aac_rx_get_outb_queue(struct aac_softc *);
104 static void	aac_rx_set_outb_queue(struct aac_softc *, int);
105 
106 /* StrongARM interface */
107 static int	aac_sa_get_fwstatus(struct aac_softc *);
108 static void	aac_sa_qnotify(struct aac_softc *, int);
109 static int	aac_sa_get_istatus(struct aac_softc *);
110 static void	aac_sa_clear_istatus(struct aac_softc *, int);
111 static void	aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
112 			   u_int32_t, u_int32_t, u_int32_t);
113 static uint32_t aac_sa_get_mailbox(struct aac_softc *, int);
114 static void	aac_sa_set_interrupts(struct aac_softc *, int);
115 
116 /* Rocket/MIPS interface */
117 static int	aac_rkt_get_fwstatus(struct aac_softc *);
118 static void	aac_rkt_qnotify(struct aac_softc *, int);
119 static int	aac_rkt_get_istatus(struct aac_softc *);
120 static void	aac_rkt_clear_istatus(struct aac_softc *, int);
121 static void	aac_rkt_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
122 			   u_int32_t, u_int32_t, u_int32_t);
123 static uint32_t aac_rkt_get_mailbox(struct aac_softc *, int);
124 static void	aac_rkt_set_interrupts(struct aac_softc *, int);
125 static int	aac_rkt_send_command(struct aac_softc *, struct aac_ccb *);
126 static int	aac_rkt_get_outb_queue(struct aac_softc *);
127 static void	aac_rkt_set_outb_queue(struct aac_softc *, int);
128 
129 static const struct aac_interface aac_rx_interface = {
130 	aac_rx_get_fwstatus,
131 	aac_rx_qnotify,
132 	aac_rx_get_istatus,
133 	aac_rx_clear_istatus,
134 	aac_rx_set_mailbox,
135 	aac_rx_get_mailbox,
136 	aac_rx_set_interrupts,
137 	aac_rx_send_command,
138 	aac_rx_get_outb_queue,
139 	aac_rx_set_outb_queue
140 };
141 
142 static const struct aac_interface aac_sa_interface = {
143 	aac_sa_get_fwstatus,
144 	aac_sa_qnotify,
145 	aac_sa_get_istatus,
146 	aac_sa_clear_istatus,
147 	aac_sa_set_mailbox,
148 	aac_sa_get_mailbox,
149 	aac_sa_set_interrupts,
150 	NULL, NULL, NULL
151 };
152 
153 static const struct aac_interface aac_rkt_interface = {
154 	aac_rkt_get_fwstatus,
155 	aac_rkt_qnotify,
156 	aac_rkt_get_istatus,
157 	aac_rkt_clear_istatus,
158 	aac_rkt_set_mailbox,
159 	aac_rkt_get_mailbox,
160 	aac_rkt_set_interrupts,
161 	aac_rkt_send_command,
162 	aac_rkt_get_outb_queue,
163 	aac_rkt_set_outb_queue
164 };
165 
166 static struct aac_ident {
167 	u_short	vendor;
168 	u_short	device;
169 	u_short	subvendor;
170 	u_short	subdevice;
171 	u_short	hwif;
172 	u_short	quirks;
173 	const char	*prodstr;
174 } const aac_ident[] = {
175 	{
176 		PCI_VENDOR_DELL,
177 		PCI_PRODUCT_DELL_PERC_2SI,
178 		PCI_VENDOR_DELL,
179 		PCI_PRODUCT_DELL_PERC_2SI,
180 		AAC_HWIF_I960RX,
181 		0,
182 		"Dell PERC 2/Si"
183 	},
184 	{
185 		PCI_VENDOR_DELL,
186 		PCI_PRODUCT_DELL_PERC_3DI,
187 		PCI_VENDOR_DELL,
188 		PCI_PRODUCT_DELL_PERC_3DI,
189 		AAC_HWIF_I960RX,
190 		0,
191 		"Dell PERC 3/Di"
192 	},
193 	{
194 		PCI_VENDOR_DELL,
195 		PCI_PRODUCT_DELL_PERC_3DI,
196 		PCI_VENDOR_DELL,
197 		PCI_PRODUCT_DELL_PERC_3DI_SUB2,
198 		AAC_HWIF_I960RX,
199 		0,
200 		"Dell PERC 3/Di"
201 	},
202 	{
203 		PCI_VENDOR_DELL,
204 		PCI_PRODUCT_DELL_PERC_3DI,
205 		PCI_VENDOR_DELL,
206 		PCI_PRODUCT_DELL_PERC_3DI_SUB3,
207 		AAC_HWIF_I960RX,
208 		0,
209 		"Dell PERC 3/Di"
210 	},
211 	{
212 		PCI_VENDOR_DELL,
213 		PCI_PRODUCT_DELL_PERC_3DI_2,
214 		PCI_VENDOR_DELL,
215 		PCI_PRODUCT_DELL_PERC_3DI_2_SUB,
216 		AAC_HWIF_I960RX,
217 		0,
218 		"Dell PERC 3/Di"
219 	},
220         {
221 		PCI_VENDOR_DELL,
222 		PCI_PRODUCT_DELL_PERC_3DI_3,
223 		PCI_VENDOR_DELL,
224 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB,
225 		AAC_HWIF_I960RX,
226 		0,
227 		"Dell PERC 3/Di"
228 	},
229 	{
230 		PCI_VENDOR_DELL,
231 		PCI_PRODUCT_DELL_PERC_3DI_3,
232 		PCI_VENDOR_DELL,
233 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB2,
234 		AAC_HWIF_I960RX,
235 		0,
236 		"Dell PERC 3/Di"
237 	},
238 	{
239 		PCI_VENDOR_DELL,
240 		PCI_PRODUCT_DELL_PERC_3DI_3,
241 		PCI_VENDOR_DELL,
242 		PCI_PRODUCT_DELL_PERC_3DI_3_SUB3,
243 		AAC_HWIF_I960RX,
244 		0,
245 		"Dell PERC 3/Di"
246 	},
247 	{
248 		PCI_VENDOR_DELL,
249 		PCI_PRODUCT_DELL_PERC_3SI,
250 		PCI_VENDOR_DELL,
251 		PCI_PRODUCT_DELL_PERC_3SI,
252 		AAC_HWIF_I960RX,
253 		0,
254 		"Dell PERC 3/Si"
255 	},
256 	{
257 		PCI_VENDOR_DELL,
258 		PCI_PRODUCT_DELL_PERC_3SI_2,
259 		PCI_VENDOR_DELL,
260 		PCI_PRODUCT_DELL_PERC_3SI_2_SUB,
261 		AAC_HWIF_I960RX,
262 		0,
263 		"Dell PERC 3/Si"
264 	},
265 	{
266 		PCI_VENDOR_ADP2,
267 		PCI_PRODUCT_ADP2_ASR2200S,
268 		PCI_VENDOR_DELL,
269 		PCI_PRODUCT_DELL_CERC_1_5,
270 		AAC_HWIF_I960RX,
271 		AAC_QUIRK_NO4GB,
272 		"Dell CERC SATA RAID 1.5/6ch"
273 	},
274 	{
275 		PCI_VENDOR_ADP2,
276 		PCI_PRODUCT_ADP2_AAC2622,
277 		PCI_VENDOR_ADP2,
278 		PCI_PRODUCT_ADP2_AAC2622,
279 		AAC_HWIF_I960RX,
280 		0,
281 		"Adaptec ADP-2622"
282 	},
283 	{
284 		PCI_VENDOR_ADP2,
285 		PCI_PRODUCT_ADP2_ASR2200S,
286 		PCI_VENDOR_ADP2,
287 		PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
288 		AAC_HWIF_I960RX,
289 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
290 		"Adaptec ASR-2200S"
291 	},
292 	{
293 		PCI_VENDOR_ADP2,
294 		PCI_PRODUCT_ADP2_ASR2200S,
295 		PCI_VENDOR_DELL,
296 		PCI_PRODUCT_ADP2_ASR2200S_SUB2M,
297 		AAC_HWIF_I960RX,
298 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
299 		"Dell PERC 320/DC"
300 	},
301 	{
302 		PCI_VENDOR_ADP2,
303 		PCI_PRODUCT_ADP2_ASR2200S,
304 		PCI_VENDOR_ADP2,
305 		PCI_PRODUCT_ADP2_ASR2200S,
306 		AAC_HWIF_I960RX,
307 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
308 		"Adaptec ASR-2200S"
309 	},
310 	{
311 		PCI_VENDOR_ADP2,
312 		PCI_PRODUCT_ADP2_ASR2200S,
313 		PCI_VENDOR_ADP2,
314 		PCI_PRODUCT_ADP2_AAR2810SA,
315 		AAC_HWIF_I960RX,
316 		AAC_QUIRK_NO4GB,
317 		"Adaptec AAR-2810SA"
318 	},
319 	{
320 		PCI_VENDOR_ADP2,
321 		PCI_PRODUCT_ADP2_ASR2200S,
322 		PCI_VENDOR_ADP2,
323 		PCI_PRODUCT_ADP2_ASR2120S,
324 		AAC_HWIF_I960RX,
325 		AAC_QUIRK_NO4GB | AAC_QUIRK_256FIBS,
326 		"Adaptec ASR-2120S"
327 	},
328 	{
329 		PCI_VENDOR_ADP2,
330 		PCI_PRODUCT_ADP2_ASR2200S,
331 		PCI_VENDOR_ADP2,
332 		PCI_PRODUCT_ADP2_ASR2410SA,
333 		AAC_HWIF_I960RX,
334 		AAC_QUIRK_NO4GB,
335 		"Adaptec ASR-2410SA"
336 	},
337 	{
338 		PCI_VENDOR_ADP2,
339 		PCI_PRODUCT_ADP2_ASR2200S,
340 		PCI_VENDOR_HP,
341 		PCI_PRODUCT_ADP2_HP_M110_G2,
342 		AAC_HWIF_I960RX,
343 		AAC_QUIRK_NO4GB,
344 		"HP ML110 G2 (Adaptec ASR-2610SA)"
345 	},
346 	{
347 		PCI_VENDOR_ADP2,
348 		PCI_PRODUCT_ADP2_ASR2120S,
349 		PCI_VENDOR_IBM,
350 		PCI_PRODUCT_IBM_SERVERAID8K,
351 		AAC_HWIF_RKT,
352 		0,
353 		"IBM ServeRAID 8k"
354 	},
355 	{	PCI_VENDOR_ADP2,
356 		PCI_PRODUCT_ADP2_ASR2200S,
357 		PCI_VENDOR_ADP2,
358 		PCI_PRODUCT_ADP2_2405,
359 		AAC_HWIF_I960RX,
360 		0,
361 		"Adaptec RAID 2405"
362 	},
363 	{	PCI_VENDOR_ADP2,
364 		PCI_PRODUCT_ADP2_ASR2200S,
365 		PCI_VENDOR_ADP2,
366 		PCI_PRODUCT_ADP2_2445,
367 		AAC_HWIF_I960RX,
368 		0,
369 		"Adaptec RAID 2445"
370 	},
371 	{	PCI_VENDOR_ADP2,
372 		PCI_PRODUCT_ADP2_ASR2200S,
373 		PCI_VENDOR_ADP2,
374 		PCI_PRODUCT_ADP2_2805,
375 		AAC_HWIF_I960RX,
376 		0,
377 		"Adaptec RAID 2805"
378 	},
379 	{	PCI_VENDOR_ADP2,
380 		PCI_PRODUCT_ADP2_ASR2200S,
381 		PCI_VENDOR_ADP2,
382 		PCI_PRODUCT_ADP2_3405,
383 		AAC_HWIF_I960RX,
384 		0,
385 		"Adaptec RAID 3405"
386 	},
387 	{	PCI_VENDOR_ADP2,
388 		PCI_PRODUCT_ADP2_ASR2200S,
389 		PCI_VENDOR_ADP2,
390 		PCI_PRODUCT_ADP2_3805,
391 		AAC_HWIF_I960RX,
392 		0,
393 		"Adaptec RAID 3805"
394 	},
395 	{
396 		PCI_VENDOR_DEC,
397 		PCI_PRODUCT_DEC_21554,
398 		PCI_VENDOR_ADP2,
399 		PCI_PRODUCT_ADP2_AAC364,
400 		AAC_HWIF_STRONGARM,
401 		0,
402 		"Adaptec AAC-364"
403 	},
404 	{
405 		PCI_VENDOR_DEC,
406 		PCI_PRODUCT_DEC_21554,
407 		PCI_VENDOR_ADP2,
408 		PCI_PRODUCT_ADP2_ASR5400S,
409 		AAC_HWIF_STRONGARM,
410 		AAC_QUIRK_BROKEN_MMAP,
411 		"Adaptec ASR-5400S"
412 	},
413 	{
414 		PCI_VENDOR_DEC,
415 		PCI_PRODUCT_DEC_21554,
416 		PCI_VENDOR_ADP2,
417 		PCI_PRODUCT_ADP2_PERC_2QC,
418 		AAC_HWIF_STRONGARM,
419 		AAC_QUIRK_PERC2QC,
420 		"Dell PERC 2/QC"
421 	},
422 	{
423 		PCI_VENDOR_DEC,
424 		PCI_PRODUCT_DEC_21554,
425 		PCI_VENDOR_ADP2,
426 		PCI_PRODUCT_ADP2_PERC_3QC,
427 		AAC_HWIF_STRONGARM,
428 		0,
429 		"Dell PERC 3/QC"
430 	},
431 	{
432 		PCI_VENDOR_DEC,
433 		PCI_PRODUCT_DEC_21554,
434 		PCI_VENDOR_HP,
435 		PCI_PRODUCT_HP_NETRAID_4M,
436 		AAC_HWIF_STRONGARM,
437 		0,
438 		"HP NetRAID-4M"
439 	},
440 	{
441 		PCI_VENDOR_ADP2,
442 		PCI_PRODUCT_ADP2_ASR2200S,
443 		PCI_VENDOR_SUN,
444 		PCI_PRODUCT_ADP2_ASR2120S,
445 		AAC_HWIF_I960RX,
446 		0,
447 		"SG-XPCIESAS-R-IN"
448 	},
449 };
450 
451 static const struct aac_ident *
aac_find_ident(struct pci_attach_args * pa)452 aac_find_ident(struct pci_attach_args *pa)
453 {
454 	const struct aac_ident *m, *mm;
455 	u_int32_t subsysid;
456 
457 	m = aac_ident;
458 	mm = aac_ident + (sizeof(aac_ident) / sizeof(aac_ident[0]));
459 
460 	while (m < mm) {
461 		if (m->vendor == PCI_VENDOR(pa->pa_id) &&
462 		    m->device == PCI_PRODUCT(pa->pa_id)) {
463 			subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag,
464 			    PCI_SUBSYS_ID_REG);
465 			if (m->subvendor == PCI_VENDOR(subsysid) &&
466 			    m->subdevice == PCI_PRODUCT(subsysid))
467 				return (m);
468 		}
469 		m++;
470 	}
471 
472 	return (NULL);
473 }
474 
475 static int
aac_pci_intr_set(struct aac_softc * sc,int (* hand)(void *),void * arg)476 aac_pci_intr_set(struct aac_softc *sc, int (*hand)(void*), void *arg)
477 {
478 	struct aac_pci_softc	*pcisc;
479 
480 	pcisc = (struct aac_pci_softc *) sc;
481 
482 	pci_intr_disestablish(pcisc->sc_pc, sc->sc_ih);
483 	sc->sc_ih = pci_intr_establish_xname(pcisc->sc_pc, pcisc->sc_ih,
484 	    IPL_BIO, hand, arg, device_xname(sc->sc_dv));
485 	if (sc->sc_ih == NULL) {
486 		return ENXIO;
487 	}
488 	return 0;
489 }
490 
491 static int
aac_pci_match(device_t parent,cfdata_t match,void * aux)492 aac_pci_match(device_t parent, cfdata_t match, void *aux)
493 {
494 	struct pci_attach_args *pa;
495 
496 	pa = aux;
497 
498 	if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O)
499 		return (0);
500 
501 	return (aac_find_ident(pa) != NULL);
502 }
503 
504 static void
aac_pci_attach(device_t parent,device_t self,void * aux)505 aac_pci_attach(device_t parent, device_t self, void *aux)
506 {
507 	struct pci_attach_args *pa;
508 	pci_chipset_tag_t pc;
509 	struct aac_pci_softc *pcisc;
510 	struct aac_softc *sc;
511 	u_int16_t command;
512 	bus_addr_t membase;
513 	bus_size_t memsize;
514 	const char *intrstr;
515 	int state;
516 	const struct aac_ident *m;
517 	char intrbuf[PCI_INTRSTR_LEN];
518 
519 	pa = aux;
520 	pc = pa->pa_pc;
521 	pcisc = device_private(self);
522 	pcisc->sc_pc = pc;
523 	sc = &pcisc->sc_aac;
524 	sc->sc_dv = self;
525 	state = 0;
526 
527 	aprint_naive(": RAID controller\n");
528 	aprint_normal(": ");
529 
530 	/*
531 	 * Verify that the adapter is correctly set up in PCI space.
532 	 */
533 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
534 	command |= PCI_COMMAND_MASTER_ENABLE;
535 	pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
536 	command = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
537 	AAC_DPRINTF(AAC_D_MISC, ("pci command status reg 0x08x "));
538 
539 	if ((command & PCI_COMMAND_MASTER_ENABLE) == 0) {
540 		aprint_error("can't enable bus-master feature\n");
541 		goto bail_out;
542 	}
543 
544 	if ((command & PCI_COMMAND_MEM_ENABLE) == 0) {
545 		aprint_error("memory window not available\n");
546 		goto bail_out;
547 	}
548 
549 	/*
550 	 * Map control/status registers.
551 	 */
552 	if (pci_mapreg_map(pa, PCI_MAPREG_START,
553 	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_memt,
554 	    &sc->sc_memh, &membase, &memsize)) {
555 		aprint_error("can't find mem space\n");
556 		goto bail_out;
557 	}
558 	state++;
559 
560 	if (pci_intr_map(pa, &pcisc->sc_ih)) {
561 		aprint_error("couldn't map interrupt\n");
562 		goto bail_out;
563 	}
564 	intrstr = pci_intr_string(pc, pcisc->sc_ih, intrbuf, sizeof(intrbuf));
565 	sc->sc_ih = pci_intr_establish_xname(pc, pcisc->sc_ih, IPL_BIO,
566 	    aac_intr, sc, device_xname(self));
567 	if (sc->sc_ih == NULL) {
568 		aprint_error("couldn't establish interrupt");
569 		if (intrstr != NULL)
570 			aprint_error(" at %s", intrstr);
571 		aprint_error("\n");
572 		goto bail_out;
573 	}
574 	state++;
575 
576 	sc->sc_dmat = pa->pa_dmat;
577 
578 	m = aac_find_ident(pa);
579 	aprint_normal("%s\n", m->prodstr);
580 	if (intrstr != NULL)
581 		aprint_normal_dev(self, "interrupting at %s\n", intrstr);
582 
583 	sc->sc_hwif = m->hwif;
584 	sc->sc_quirks = m->quirks;
585 	switch (sc->sc_hwif) {
586 		case AAC_HWIF_I960RX:
587 			AAC_DPRINTF(AAC_D_MISC,
588 			    ("set hardware up for i960Rx"));
589 			sc->sc_if = aac_rx_interface;
590 			break;
591 
592 		case AAC_HWIF_STRONGARM:
593 			AAC_DPRINTF(AAC_D_MISC,
594 			    ("set hardware up for StrongARM"));
595 			sc->sc_if = aac_sa_interface;
596 			break;
597 
598 		case AAC_HWIF_RKT:
599 			AAC_DPRINTF(AAC_D_MISC,
600 			    ("set hardware up for MIPS/Rocket"));
601 			sc->sc_if = aac_rkt_interface;
602 			break;
603 	}
604 	sc->sc_regsize = memsize;
605 	sc->sc_intr_set = aac_pci_intr_set;
606 
607 	if (!aac_attach(sc))
608 		return;
609 
610  bail_out:
611 	if (state > 1)
612 		pci_intr_disestablish(pc, sc->sc_ih);
613 	if (state > 0)
614 		bus_space_unmap(sc->sc_memt, sc->sc_memh, memsize);
615 }
616 
617 /* ARGSUSED */
618 static int
aac_pci_rescan(device_t self,const char * ifattr,const int * locs)619 aac_pci_rescan(device_t self, const char *ifattr, const int *locs)
620 {
621 
622 	return aac_devscan(device_private(self));
623 }
624 
625 CFATTACH_DECL3_NEW(aac_pci, sizeof(struct aac_pci_softc),
626     aac_pci_match, aac_pci_attach, NULL, NULL, aac_pci_rescan, NULL, 0);
627 
628 /*
629  * Read the current firmware status word.
630  */
631 static int
aac_sa_get_fwstatus(struct aac_softc * sc)632 aac_sa_get_fwstatus(struct aac_softc *sc)
633 {
634 
635 	return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
636 }
637 
638 static int
aac_rx_get_fwstatus(struct aac_softc * sc)639 aac_rx_get_fwstatus(struct aac_softc *sc)
640 {
641 
642 	return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
643 }
644 
645 static int
aac_rkt_get_fwstatus(struct aac_softc * sc)646 aac_rkt_get_fwstatus(struct aac_softc *sc)
647 {
648 
649 	return (AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
650 }
651 
652 /*
653  * Notify the controller of a change in a given queue
654  */
655 
656 static void
aac_sa_qnotify(struct aac_softc * sc,int qbit)657 aac_sa_qnotify(struct aac_softc *sc, int qbit)
658 {
659 
660 	AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
661 }
662 
663 static void
aac_rx_qnotify(struct aac_softc * sc,int qbit)664 aac_rx_qnotify(struct aac_softc *sc, int qbit)
665 {
666 
667 	AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
668 }
669 
670 static void
aac_rkt_qnotify(struct aac_softc * sc,int qbit)671 aac_rkt_qnotify(struct aac_softc *sc, int qbit)
672 {
673 
674 	AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
675 }
676 
677 /*
678  * Get the interrupt reason bits
679  */
680 static int
aac_sa_get_istatus(struct aac_softc * sc)681 aac_sa_get_istatus(struct aac_softc *sc)
682 {
683 
684 	return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
685 }
686 
687 static int
aac_rx_get_istatus(struct aac_softc * sc)688 aac_rx_get_istatus(struct aac_softc *sc)
689 {
690 
691 	return (AAC_GETREG4(sc, AAC_RX_ODBR));
692 }
693 
694 static int
aac_rkt_get_istatus(struct aac_softc * sc)695 aac_rkt_get_istatus(struct aac_softc *sc)
696 {
697 
698 	return (AAC_GETREG4(sc, AAC_RKT_ODBR));
699 }
700 
701 /*
702  * Clear some interrupt reason bits
703  */
704 static void
aac_sa_clear_istatus(struct aac_softc * sc,int mask)705 aac_sa_clear_istatus(struct aac_softc *sc, int mask)
706 {
707 
708 	AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
709 }
710 
711 static void
aac_rx_clear_istatus(struct aac_softc * sc,int mask)712 aac_rx_clear_istatus(struct aac_softc *sc, int mask)
713 {
714 
715 	AAC_SETREG4(sc, AAC_RX_ODBR, mask);
716 }
717 
718 static void
aac_rkt_clear_istatus(struct aac_softc * sc,int mask)719 aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
720 {
721 
722 	AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
723 }
724 
725 /*
726  * Populate the mailbox and set the command word
727  */
728 static void
aac_sa_set_mailbox(struct aac_softc * sc,u_int32_t command,u_int32_t arg0,u_int32_t arg1,u_int32_t arg2,u_int32_t arg3)729 aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command,
730 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
731 		   u_int32_t arg3)
732 {
733 
734 	AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
735 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
736 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
737 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
738 	AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
739 }
740 
741 static void
aac_rx_set_mailbox(struct aac_softc * sc,u_int32_t command,u_int32_t arg0,u_int32_t arg1,u_int32_t arg2,u_int32_t arg3)742 aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command,
743 		   u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
744 		   u_int32_t arg3)
745 {
746 
747 	AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
748 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
749 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
750 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
751 	AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
752 }
753 
754 static void
aac_rkt_set_mailbox(struct aac_softc * sc,u_int32_t command,u_int32_t arg0,u_int32_t arg1,u_int32_t arg2,u_int32_t arg3)755 aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command,
756 		    u_int32_t arg0, u_int32_t arg1, u_int32_t arg2,
757 		    u_int32_t arg3)
758 {
759 
760 	AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
761 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
762 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
763 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
764 	AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
765 }
766 
767 /*
768  * Fetch the specified mailbox
769  */
770 static uint32_t
aac_sa_get_mailbox(struct aac_softc * sc,int mb)771 aac_sa_get_mailbox(struct aac_softc *sc, int mb)
772 {
773 
774 	return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
775 }
776 
777 static uint32_t
aac_rx_get_mailbox(struct aac_softc * sc,int mb)778 aac_rx_get_mailbox(struct aac_softc *sc, int mb)
779 {
780 
781 	return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
782 }
783 
784 static uint32_t
aac_rkt_get_mailbox(struct aac_softc * sc,int mb)785 aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
786 {
787 
788 	return (AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
789 }
790 
791 /*
792  * Set/clear interrupt masks
793  */
794 static void
aac_sa_set_interrupts(struct aac_softc * sc,int enable)795 aac_sa_set_interrupts(struct aac_softc *sc, int enable)
796 {
797 
798 	if (enable)
799 		AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
800 	else
801 		AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
802 }
803 
804 static void
aac_rx_set_interrupts(struct aac_softc * sc,int enable)805 aac_rx_set_interrupts(struct aac_softc *sc, int enable)
806 {
807 
808 	if (enable) {
809 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
810 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INT_NEW_COMM);
811 		else
812 			AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
813 	} else {
814 		AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
815 	}
816 }
817 
818 static void
aac_rkt_set_interrupts(struct aac_softc * sc,int enable)819 aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
820 {
821 
822 	if (enable) {
823 		if (sc->sc_quirks & AAC_QUIRK_NEW_COMM)
824 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
825 		else
826 			AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
827 	} else {
828 		AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
829 	}
830 }
831 
832 /*
833  * New comm. interface: Send command functions
834  */
835 static int
aac_rx_send_command(struct aac_softc * sc,struct aac_ccb * ac)836 aac_rx_send_command(struct aac_softc *sc, struct aac_ccb *ac)
837 {
838 	u_int32_t	index, device;
839 
840 	index = AAC_GETREG4(sc, AAC_RX_IQUE);
841 	if (index == 0xffffffffL)
842 		index = AAC_GETREG4(sc, AAC_RX_IQUE);
843 	if (index == 0xffffffffL)
844 		return index;
845 #ifdef notyet
846 	aac_enqueue_busy(ac);
847 #endif
848 	device = index;
849 	AAC_SETREG4(sc, device,
850 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
851 	device += 4;
852 	if (sizeof(bus_addr_t) > 4) {
853 		AAC_SETREG4(sc, device,
854 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
855 	} else {
856 		AAC_SETREG4(sc, device, 0);
857 	}
858 	device += 4;
859 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
860 	AAC_SETREG4(sc, AAC_RX_IQUE, index);
861 	return 0;
862 }
863 
864 static int
aac_rkt_send_command(struct aac_softc * sc,struct aac_ccb * ac)865 aac_rkt_send_command(struct aac_softc *sc, struct aac_ccb *ac)
866 {
867 	u_int32_t	index, device;
868 
869 	index = AAC_GETREG4(sc, AAC_RKT_IQUE);
870 	if (index == 0xffffffffL)
871 		index = AAC_GETREG4(sc, AAC_RKT_IQUE);
872 	if (index == 0xffffffffL)
873 		return index;
874 #ifdef notyet
875 	aac_enqueue_busy(ac);
876 #endif
877 	device = index;
878 	AAC_SETREG4(sc, device,
879 	    htole32((u_int32_t)(ac->ac_fibphys & 0xffffffffUL)));
880 	device += 4;
881 	if (sizeof(bus_addr_t) > 4) {
882 		AAC_SETREG4(sc, device,
883 		    htole32((u_int32_t)((u_int64_t)ac->ac_fibphys >> 32)));
884 	} else {
885 		AAC_SETREG4(sc, device, 0);
886 	}
887 	device += 4;
888 	AAC_SETREG4(sc, device, ac->ac_fib->Header.Size);
889 	AAC_SETREG4(sc, AAC_RKT_IQUE, index);
890 	return 0;
891 }
892 
893 /*
894  * New comm. interface: get, set outbound queue index
895  */
896 static int
aac_rx_get_outb_queue(struct aac_softc * sc)897 aac_rx_get_outb_queue(struct aac_softc *sc)
898 {
899 
900 	return AAC_GETREG4(sc, AAC_RX_OQUE);
901 }
902 
903 static int
aac_rkt_get_outb_queue(struct aac_softc * sc)904 aac_rkt_get_outb_queue(struct aac_softc *sc)
905 {
906 
907 	return AAC_GETREG4(sc, AAC_RKT_OQUE);
908 }
909 
910 static void
aac_rx_set_outb_queue(struct aac_softc * sc,int index)911 aac_rx_set_outb_queue(struct aac_softc *sc, int index)
912 {
913 
914 	AAC_SETREG4(sc, AAC_RX_OQUE, index);
915 }
916 
917 static void
aac_rkt_set_outb_queue(struct aac_softc * sc,int index)918 aac_rkt_set_outb_queue(struct aac_softc *sc, int index)
919 {
920 
921 	AAC_SETREG4(sc, AAC_RKT_OQUE, index);
922 }
923