xref: /dragonfly/sys/dev/sound/pci/aureal.c (revision 0ac6bf9d)
1 /*
2  * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/dev/sound/pci/aureal.c,v 1.8.2.7 2002/04/22 15:49:31 cg Exp $
27  * $DragonFly: src/sys/dev/sound/pci/aureal.c,v 1.7 2006/09/05 00:55:43 dillon Exp $
28  */
29 
30 #include <dev/sound/pcm/sound.h>
31 #include <dev/sound/pcm/ac97.h>
32 #include <dev/sound/pci/aureal.h>
33 
34 #include <bus/pci/pcireg.h>
35 #include <bus/pci/pcivar.h>
36 
37 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pci/aureal.c,v 1.7 2006/09/05 00:55:43 dillon Exp $");
38 
39 /* PCI IDs of supported chips */
40 #define AU8820_PCI_ID 0x000112eb
41 
42 /* channel interface */
43 static u_int32_t au_playfmt[] = {
44 	AFMT_U8,
45 	AFMT_STEREO | AFMT_U8,
46 	AFMT_S16_LE,
47 	AFMT_STEREO | AFMT_S16_LE,
48 	0
49 };
50 static struct pcmchan_caps au_playcaps = {4000, 48000, au_playfmt, 0};
51 
52 static u_int32_t au_recfmt[] = {
53 	AFMT_U8,
54 	AFMT_STEREO | AFMT_U8,
55 	AFMT_S16_LE,
56 	AFMT_STEREO | AFMT_S16_LE,
57 	0
58 };
59 static struct pcmchan_caps au_reccaps = {4000, 48000, au_recfmt, 0};
60 
61 /* -------------------------------------------------------------------- */
62 
63 struct au_info;
64 
65 struct au_chinfo {
66 	struct au_info *parent;
67 	struct pcm_channel *channel;
68 	struct snd_dbuf *buffer;
69 	int dir;
70 };
71 
72 struct au_info {
73 	int unit;
74 
75 	bus_space_tag_t st[3];
76 	bus_space_handle_t sh[3];
77 
78 	bus_dma_tag_t	parent_dmat;
79 	void *lock;
80 
81 	u_int32_t	x[32], y[128];
82 	char		z[128];
83 	u_int32_t	routes[4], interrupts;
84 	struct au_chinfo pch;
85 };
86 
87 static int      au_init(device_t dev, struct au_info *au);
88 static void     au_intr(void *);
89 
90 /* -------------------------------------------------------------------- */
91 
92 static u_int32_t
93 au_rd(struct au_info *au, int mapno, int regno, int size)
94 {
95 	switch(size) {
96 	case 1:
97 		return bus_space_read_1(au->st[mapno], au->sh[mapno], regno);
98 	case 2:
99 		return bus_space_read_2(au->st[mapno], au->sh[mapno], regno);
100 	case 4:
101 		return bus_space_read_4(au->st[mapno], au->sh[mapno], regno);
102 	default:
103 		return 0xffffffff;
104 	}
105 }
106 
107 static void
108 au_wr(struct au_info *au, int mapno, int regno, u_int32_t data, int size)
109 {
110 	switch(size) {
111 	case 1:
112 		bus_space_write_1(au->st[mapno], au->sh[mapno], regno, data);
113 		break;
114 	case 2:
115 		bus_space_write_2(au->st[mapno], au->sh[mapno], regno, data);
116 		break;
117 	case 4:
118 		bus_space_write_4(au->st[mapno], au->sh[mapno], regno, data);
119 		break;
120 	}
121 }
122 
123 /* -------------------------------------------------------------------- */
124 
125 static int
126 au_rdcd(kobj_t obj, void *arg, int regno)
127 {
128 	struct au_info *au = (struct au_info *)arg;
129 	int i=0, j=0;
130 
131 	regno<<=16;
132 	au_wr(au, 0, AU_REG_CODECIO, regno, 4);
133 	while (j<50) {
134 		i=au_rd(au, 0, AU_REG_CODECIO, 4);
135 		if ((i & 0x00ff0000) == (regno | 0x00800000)) break;
136 		DELAY(j * 200 + 2000);
137 		j++;
138 	}
139 	if (j==50) printf("pcm%d: codec timeout reading register %x (%x)\n",
140 		au->unit, (regno & AU_CDC_REGMASK)>>16, i);
141 	return i & AU_CDC_DATAMASK;
142 }
143 
144 static int
145 au_wrcd(kobj_t obj, void *arg, int regno, u_int32_t data)
146 {
147 	struct au_info *au = (struct au_info *)arg;
148 	int i, j, tries;
149 	i=j=tries=0;
150 	do {
151 		while (j<50 && (i & AU_CDC_WROK) == 0) {
152 			i=au_rd(au, 0, AU_REG_CODECST, 4);
153 			DELAY(2000);
154 			j++;
155 		}
156 		if (j==50) printf("codec timeout during write of register %x, data %x\n",
157 				  regno, data);
158 		au_wr(au, 0, AU_REG_CODECIO, (regno<<16) | AU_CDC_REGSET | data, 4);
159 /*		DELAY(20000);
160 		i=au_rdcd(au, regno);
161 */		tries++;
162 	} while (0); /* (i != data && tries < 3); */
163 	/*
164 	if (tries == 3) printf("giving up writing 0x%4x to codec reg %2x\n", data, regno);
165 	*/
166 
167 	return 0;
168 }
169 
170 static kobj_method_t au_ac97_methods[] = {
171     	KOBJMETHOD(ac97_read,		au_rdcd),
172     	KOBJMETHOD(ac97_write,		au_wrcd),
173 	{ 0, 0 }
174 };
175 AC97_DECLARE(au_ac97);
176 
177 /* -------------------------------------------------------------------- */
178 
179 static void
180 au_setbit(u_int32_t *p, char bit, u_int32_t value)
181 {
182 	p += bit >> 5;
183 	bit &= 0x1f;
184 	*p &= ~ (1 << bit);
185 	*p |= (value << bit);
186 }
187 
188 static void
189 au_addroute(struct au_info *au, int a, int b, int route)
190 {
191 	int j = 0x1099c+(a<<2);
192 	if (au->x[a] != a+0x67) j = AU_REG_RTBASE+(au->x[a]<<2);
193 
194 	au_wr(au, 0, AU_REG_RTBASE+(route<<2), 0xffffffff, 4);
195  	au_wr(au, 0, j, route | (b<<7), 4);
196 	au->y[route]=au->x[a];
197 	au->x[a]=route;
198 	au->z[route]=a & 0x000000ff;
199 	au_setbit(au->routes, route, 1);
200 }
201 
202 static void
203 au_delroute(struct au_info *au, int route)
204 {
205 	int i;
206 	int j=au->z[route];
207 
208 	au_setbit(au->routes, route, 0);
209 	au->z[route]=0x1f;
210 	i=au_rd(au, 0, AU_REG_RTBASE+(route<<2), 4);
211 	au_wr(au, 0, AU_REG_RTBASE+(au->y[route]<<2), i, 4);
212 	au->y[i & 0x7f]=au->y[route];
213 	au_wr(au, 0, AU_REG_RTBASE+(route<<2), 0xfffffffe, 4);
214 	if (au->x[j] == route) au->x[j]=au->y[route];
215 	au->y[route]=0x7f;
216 }
217 
218 static void
219 au_encodec(struct au_info *au, char channel)
220 {
221 	au_wr(au, 0, AU_REG_CODECEN,
222 	      au_rd(au, 0, AU_REG_CODECEN, 4) | (1 << (channel + 8)), 4);
223 }
224 
225 static void
226 au_clrfifo(struct au_info *au, u_int32_t c)
227 {
228 	u_int32_t i;
229 
230 	for (i=0; i<32; i++) au_wr(au, 0, AU_REG_FIFOBASE+(c<<7)+(i<<2), 0, 4);
231 }
232 
233 static void
234 au_setadb(struct au_info *au, u_int32_t c, u_int32_t enable)
235 {
236 	int x;
237 
238 	x = au_rd(au, 0, AU_REG_ADB, 4);
239 	x &= ~(1 << c);
240 	x |= (enable << c);
241 	au_wr(au, 0, AU_REG_ADB, x, 4);
242 }
243 
244 static void
245 au_prepareoutput(struct au_chinfo *ch, u_int32_t format)
246 {
247 	struct au_info *au = ch->parent;
248 	int i, stereo = (format & AFMT_STEREO)? 1 : 0;
249 	u_int32_t baseaddr = vtophys(sndbuf_getbuf(ch->buffer));
250 
251 	au_wr(au, 0, 0x1061c, 0, 4);
252 	au_wr(au, 0, 0x10620, 0, 4);
253 	au_wr(au, 0, 0x10624, 0, 4);
254 	switch(format & ~AFMT_STEREO) {
255 		case 1:
256 			i=0xb000;
257 			break;
258 		case 2:
259 			i=0xf000;
260 			break;
261  		case 8:
262 			i=0x7000;
263 			break;
264 		case 16:
265 			i=0x23000;
266 			break;
267 		default:
268 			i=0x3000;
269 	}
270 	au_wr(au, 0, 0x10200, baseaddr, 4);
271 	au_wr(au, 0, 0x10204, baseaddr+0x1000, 4);
272 	au_wr(au, 0, 0x10208, baseaddr+0x2000, 4);
273 	au_wr(au, 0, 0x1020c, baseaddr+0x3000, 4);
274 
275 	au_wr(au, 0, 0x10400, 0xdeffffff, 4);
276 	au_wr(au, 0, 0x10404, 0xfcffffff, 4);
277 
278 	au_wr(au, 0, 0x10580, i, 4);
279 
280 	au_wr(au, 0, 0x10210, baseaddr, 4);
281 	au_wr(au, 0, 0x10214, baseaddr+0x1000, 4);
282 	au_wr(au, 0, 0x10218, baseaddr+0x2000, 4);
283 	au_wr(au, 0, 0x1021c, baseaddr+0x3000, 4);
284 
285 	au_wr(au, 0, 0x10408, 0x00fff000 | 0x56000000 | 0x00000fff, 4);
286 	au_wr(au, 0, 0x1040c, 0x00fff000 | 0x74000000 | 0x00000fff, 4);
287 
288 	au_wr(au, 0, 0x10584, i, 4);
289 
290 	au_wr(au, 0, 0x0f800, stereo? 0x00030032 : 0x00030030, 4);
291 	au_wr(au, 0, 0x0f804, stereo? 0x00030032 : 0x00030030, 4);
292 
293 	au_addroute(au, 0x11, 0, 0x58);
294 	au_addroute(au, 0x11, stereo? 0 : 1, 0x59);
295 }
296 
297 /* -------------------------------------------------------------------- */
298 /* channel interface */
299 static void *
300 auchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
301 {
302 	struct au_info *au = devinfo;
303 	struct au_chinfo *ch = (dir == PCMDIR_PLAY)? &au->pch : NULL;
304 
305 	ch->parent = au;
306 	ch->channel = c;
307 	ch->buffer = b;
308 	ch->dir = dir;
309 	if (sndbuf_alloc(ch->buffer, au->parent_dmat, AU_BUFFSIZE) == -1) return NULL;
310 	return ch;
311 }
312 
313 static int
314 auchan_setformat(kobj_t obj, void *data, u_int32_t format)
315 {
316 	struct au_chinfo *ch = data;
317 
318 	if (ch->dir == PCMDIR_PLAY) au_prepareoutput(ch, format);
319 	return 0;
320 }
321 
322 static int
323 auchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
324 {
325 	struct au_chinfo *ch = data;
326 	if (ch->dir == PCMDIR_PLAY) {
327 	} else {
328 	}
329 	return speed;
330 }
331 
332 static int
333 auchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
334 {
335 	return blocksize;
336 }
337 
338 static int
339 auchan_trigger(kobj_t obj, void *data, int go)
340 {
341 	struct au_chinfo *ch = data;
342 	struct au_info *au = ch->parent;
343 
344 	if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
345 		return 0;
346 
347 	if (ch->dir == PCMDIR_PLAY) {
348 		au_setadb(au, 0x11, (go)? 1 : 0);
349 		if (!go) {
350 			au_wr(au, 0, 0xf800, 0, 4);
351 			au_wr(au, 0, 0xf804, 0, 4);
352 			au_delroute(au, 0x58);
353 			au_delroute(au, 0x59);
354 		}
355 	} else {
356 	}
357 	return 0;
358 }
359 
360 static int
361 auchan_getptr(kobj_t obj, void *data)
362 {
363 	struct au_chinfo *ch = data;
364 	struct au_info *au = ch->parent;
365 	if (ch->dir == PCMDIR_PLAY) {
366 		return au_rd(au, 0, AU_REG_UNK2, 4) & (AU_BUFFSIZE-1);
367 	} else {
368 		return 0;
369 	}
370 }
371 
372 static struct pcmchan_caps *
373 auchan_getcaps(kobj_t obj, void *data)
374 {
375 	struct au_chinfo *ch = data;
376 	return (ch->dir == PCMDIR_PLAY)? &au_playcaps : &au_reccaps;
377 }
378 
379 static kobj_method_t auchan_methods[] = {
380     	KOBJMETHOD(channel_init,		auchan_init),
381     	KOBJMETHOD(channel_setformat,		auchan_setformat),
382     	KOBJMETHOD(channel_setspeed,		auchan_setspeed),
383     	KOBJMETHOD(channel_setblocksize,	auchan_setblocksize),
384     	KOBJMETHOD(channel_trigger,		auchan_trigger),
385     	KOBJMETHOD(channel_getptr,		auchan_getptr),
386     	KOBJMETHOD(channel_getcaps,		auchan_getcaps),
387 	{ 0, 0 }
388 };
389 CHANNEL_DECLARE(auchan);
390 
391 /* -------------------------------------------------------------------- */
392 /* The interrupt handler */
393 static void
394 au_intr (void *p)
395 {
396 	struct au_info *au = p;
397 	u_int32_t	intsrc, i;
398 
399 	au->interrupts++;
400 	intsrc=au_rd(au, 0, AU_REG_IRQSRC, 4);
401 	printf("pcm%d: interrupt with src %x\n", au->unit, intsrc);
402 	if (intsrc & AU_IRQ_FATAL) printf("pcm%d: fatal error irq\n", au->unit);
403 	if (intsrc & AU_IRQ_PARITY) printf("pcm%d: parity error irq\n", au->unit);
404 	if (intsrc & AU_IRQ_UNKNOWN) {
405 		(void)au_rd(au, 0, AU_REG_UNK1, 4);
406 		au_wr(au, 0, AU_REG_UNK1, 0, 4);
407 		au_wr(au, 0, AU_REG_UNK1, 0x10000, 4);
408 	}
409 	if (intsrc & AU_IRQ_PCMOUT) {
410 	       	i=au_rd(au, 0, AU_REG_UNK2, 4) & (AU_BUFFSIZE-1);
411 	       	chn_intr(au->pch.channel);
412 		(void)au_rd(au, 0, AU_REG_UNK3, 4);
413 		(void)au_rd(au, 0, AU_REG_UNK4, 4);
414 		(void)au_rd(au, 0, AU_REG_UNK5, 4);
415 	}
416 /* don't support midi
417 	if (intsrc & AU_IRQ_MIDI) {
418 		i=au_rd(au, 0, 0x11004, 4);
419 		j=10;
420 		while (i & 0xff) {
421 			if (j-- <= 0) break;
422 			i=au_rd(au, 0, 0x11000, 4);
423 			if ((au->midi_stat & 1) && (au->midi_out))
424 				au->midi_out(au->midi_devno, i);
425 			i=au_rd(au, 0, 0x11004);
426 		}
427 	}
428 */
429 	au_wr(au, 0, AU_REG_IRQSRC, intsrc & 0x7ff, 4);
430 	au_rd(au, 0, AU_REG_IRQSRC, 4);
431 }
432 
433 
434 /* -------------------------------------------------------------------- */
435 
436 /* Probe and attach the card */
437 
438 static int
439 au_init(device_t dev, struct au_info *au)
440 {
441 	u_int32_t	i, j;
442 
443 	au_wr(au, 0, AU_REG_IRQGLOB, 0xffffffff, 4);
444 	DELAY(100000);
445 
446 	/* init codec */
447 	/* cold reset */
448 	for (i=0; i<32; i++) {
449 		au_wr(au, 0, AU_REG_CODECCHN+(i<<2), 0, 4);
450 		DELAY(10000);
451 	}
452 	if (1) {
453 		au_wr(au, 0, AU_REG_CODECST, 0x8068, 4);
454 		DELAY(10000);
455 		au_wr(au, 0, AU_REG_CODECST, 0x00e8, 4);
456 		DELAY(10000);
457 	} else {
458 		au_wr(au, 0, AU_REG_CODECST, 0x00a8, 4);
459  		DELAY(100000);
460 		au_wr(au, 0, AU_REG_CODECST, 0x80a8, 4);
461 		DELAY(100000);
462 		au_wr(au, 0, AU_REG_CODECST, 0x80e8, 4);
463 		DELAY(100000);
464 		au_wr(au, 0, AU_REG_CODECST, 0x80a8, 4);
465 		DELAY(100000);
466 		au_wr(au, 0, AU_REG_CODECST, 0x00a8, 4);
467 		DELAY(100000);
468 		au_wr(au, 0, AU_REG_CODECST, 0x00e8, 4);
469 		DELAY(100000);
470 	}
471 
472 	/* init */
473 	for (i=0; i<32; i++) {
474 		au_wr(au, 0, AU_REG_CODECCHN+(i<<2), 0, 4);
475 		DELAY(10000);
476 	}
477 	au_wr(au, 0, AU_REG_CODECST, 0xe8, 4);
478 	DELAY(10000);
479 	au_wr(au, 0, AU_REG_CODECEN, 0, 4);
480 
481 	/* setup codec */
482 	i=j=0;
483 	while (j<100 && (i & AU_CDC_READY)==0) {
484 		i=au_rd(au, 0, AU_REG_CODECST, 4);
485 		DELAY(1000);
486 		j++;
487 	}
488 	if (j==100) device_printf(dev, "codec not ready, status 0x%x\n", i);
489 
490    	/* init adb */
491 	/*au->x5c=0;*/
492 	for (i=0; i<32;  i++) au->x[i]=i+0x67;
493 	for (i=0; i<128; i++) au->y[i]=0x7f;
494 	for (i=0; i<128; i++) au->z[i]=0x1f;
495 	au_wr(au, 0, AU_REG_ADB, 0, 4);
496 	for (i=0; i<124; i++) au_wr(au, 0, AU_REG_RTBASE+(i<<2), 0xffffffff, 4);
497 
498 	/* test */
499 	i=au_rd(au, 0, 0x107c0, 4);
500  	if (i!=0xdeadbeef) device_printf(dev, "dma check failed: 0x%x\n", i);
501 
502 	/* install mixer */
503 	au_wr(au, 0, AU_REG_IRQGLOB,
504 	      au_rd(au, 0, AU_REG_IRQGLOB, 4) | AU_IRQ_ENABLE, 4);
505 	/* braindead but it's what the oss/linux driver does
506 	 * for (i=0; i<0x80000000; i++) au_wr(au, 0, i<<2, 0, 4);
507 	 */
508 	au->routes[0]=au->routes[1]=au->routes[2]=au->routes[3]=0;
509 	/*au->x1e4=0;*/
510 
511 	/* attach channel */
512 	au_addroute(au, 0x11, 0x48, 0x02);
513 	au_addroute(au, 0x11, 0x49, 0x03);
514 	au_encodec(au, 0);
515 	au_encodec(au, 1);
516 
517 	for (i=0; i<48; i++) au_wr(au, 0, 0xf800+(i<<2), 0x20, 4);
518 	for (i=2; i<6; i++) au_wr(au, 0, 0xf800+(i<<2), 0, 4);
519 	au_wr(au, 0, 0xf8c0, 0x0843, 4);
520 	for (i=0; i<4; i++) au_clrfifo(au, i);
521 
522 	return (0);
523 }
524 
525 static int
526 au_testirq(struct au_info *au)
527 {
528 	au_wr(au, 0, AU_REG_UNK1, 0x80001000, 4);
529 	au_wr(au, 0, AU_REG_IRQEN, 0x00001030, 4);
530 	au_wr(au, 0, AU_REG_IRQSRC, 0x000007ff, 4);
531 	DELAY(1000000);
532 	if (au->interrupts==0) printf("pcm%d: irq test failed\n", au->unit);
533 	/* this apparently generates an irq */
534 	return 0;
535 }
536 
537 static int
538 au_pci_probe(device_t dev)
539 {
540 	if (pci_get_devid(dev) == AU8820_PCI_ID) {
541 		device_set_desc(dev, "Aureal Vortex 8820");
542 		return 0;
543 	}
544 
545 	return ENXIO;
546 }
547 
548 static int
549 au_pci_attach(device_t dev)
550 {
551 	u_int32_t	data;
552 	struct au_info *au;
553 	int		type[10];
554 	int		regid[10];
555 	struct resource *reg[10];
556 	int		i, j, mapped = 0;
557 	int		irqid;
558 	struct resource *irq = 0;
559 	void		*ih = 0;
560 	struct ac97_info *codec;
561 	char 		status[SND_STATUSLEN];
562 
563 	if ((au = kmalloc(sizeof(*au), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
564 		device_printf(dev, "cannot allocate softc\n");
565 		return ENXIO;
566 	}
567 
568 	au->unit = device_get_unit(dev);
569 
570 	data = pci_read_config(dev, PCIR_COMMAND, 2);
571 	data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
572 	pci_write_config(dev, PCIR_COMMAND, data, 2);
573 	data = pci_read_config(dev, PCIR_COMMAND, 2);
574 
575 	j=0;
576 	/* XXX dfr: is this strictly necessary? */
577 	for (i=0; i<PCI_MAXMAPS_0; i++) {
578 #if 0
579 		/* Slapped wrist: config_id and map are private structures */
580 		if (bootverbose) {
581 			printf("pcm%d: map %d - allocating ", unit, i+1);
582 			printf("0x%x bytes of ", 1<<config_id->map[i].ln2size);
583 			printf("%s space ", (config_id->map[i].type & PCI_MAPPORT)?
584 					    "io" : "memory");
585 			printf("at 0x%x...", config_id->map[i].base);
586 		}
587 #endif
588 		regid[j] = PCIR_MAPS + i*4;
589 		type[j] = SYS_RES_MEMORY;
590 		reg[j] = bus_alloc_resource(dev, type[j], &regid[j],
591 					    0, ~0, 1, RF_ACTIVE);
592 		if (!reg[j]) {
593 			type[j] = SYS_RES_IOPORT;
594 			reg[j] = bus_alloc_resource(dev, type[j], &regid[j],
595 						    0, ~0, 1, RF_ACTIVE);
596 		}
597 		if (reg[j]) {
598 			au->st[i] = rman_get_bustag(reg[j]);
599 			au->sh[i] = rman_get_bushandle(reg[j]);
600 			mapped++;
601 		}
602 #if 0
603 		if (bootverbose) printf("%s\n", mapped? "ok" : "failed");
604 #endif
605 		if (mapped) j++;
606 		if (j == 10) {
607 			/* XXX */
608 			device_printf(dev, "too many resources");
609 			goto bad;
610 		}
611 	}
612 
613 #if 0
614 	if (j < config_id->nummaps) {
615 		printf("pcm%d: unable to map a required resource\n", unit);
616 		kfree(au, M_DEVBUF);
617 		return;
618 	}
619 #endif
620 
621 	au_wr(au, 0, AU_REG_IRQEN, 0, 4);
622 
623 	irqid = 0;
624 	irq = bus_alloc_resource(dev, SYS_RES_IRQ, &irqid,
625 				 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
626 	if (!irq || snd_setup_intr(dev, irq, 0, au_intr, au, &ih, NULL)) {
627 		device_printf(dev, "unable to map interrupt\n");
628 		goto bad;
629 	}
630 
631 	if (au_testirq(au)) device_printf(dev, "irq test failed\n");
632 
633 	if (au_init(dev, au) == -1) {
634 		device_printf(dev, "unable to initialize the card\n");
635 		goto bad;
636 	}
637 
638 	codec = AC97_CREATE(dev, au, au_ac97);
639 	if (codec == NULL) goto bad;
640 	if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad;
641 
642 	if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
643 		/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
644 		/*highaddr*/BUS_SPACE_MAXADDR,
645 		/*filter*/NULL, /*filterarg*/NULL,
646 		/*maxsize*/AU_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff,
647 		/*flags*/0, &au->parent_dmat) != 0) {
648 		device_printf(dev, "unable to create dma tag\n");
649 		goto bad;
650 	}
651 
652 	snprintf(status, SND_STATUSLEN, "at %s 0x%lx irq %ld",
653 		 (type[0] == SYS_RES_IOPORT)? "io" : "memory",
654 		 rman_get_start(reg[0]), rman_get_start(irq));
655 
656 	if (pcm_register(dev, au, 1, 1)) goto bad;
657 	/* pcm_addchan(dev, PCMDIR_REC, &au_chantemplate, au); */
658 	pcm_addchan(dev, PCMDIR_PLAY, &auchan_class, au);
659 	pcm_setstatus(dev, status);
660 
661 	return 0;
662 
663  bad:
664 	if (au) kfree(au, M_DEVBUF);
665 	for (i = 0; i < j; i++)
666 		bus_release_resource(dev, type[i], regid[i], reg[i]);
667 	if (ih) bus_teardown_intr(dev, irq, ih);
668 	if (irq) bus_release_resource(dev, SYS_RES_IRQ, irqid, irq);
669 	return ENXIO;
670 }
671 
672 static device_method_t au_methods[] = {
673 	/* Device interface */
674 	DEVMETHOD(device_probe,		au_pci_probe),
675 	DEVMETHOD(device_attach,	au_pci_attach),
676 
677 	{ 0, 0 }
678 };
679 
680 static driver_t au_driver = {
681 	"pcm",
682 	au_methods,
683 	PCM_SOFTC_SIZE,
684 };
685 
686 DRIVER_MODULE(snd_aureal, pci, au_driver, pcm_devclass, 0, 0);
687 MODULE_DEPEND(snd_aureal, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
688 MODULE_VERSION(snd_aureal, 1);
689