aureal.c revision 170873 
1/*-
2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
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
27#include <dev/sound/pcm/sound.h>
28#include <dev/sound/pcm/ac97.h>
29#include <dev/sound/pci/aureal.h>
30
31#include <dev/pci/pcireg.h>
32#include <dev/pci/pcivar.h>
33
34SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/aureal.c 170873 2007-06-17 06:10:43Z ariff $");
35
36/* PCI IDs of supported chips */
37#define AU8820_PCI_ID 0x000112eb
38
39/* channel interface */
40static u_int32_t au_playfmt[] = {
41	AFMT_U8,
42	AFMT_STEREO | AFMT_U8,
43	AFMT_S16_LE,
44	AFMT_STEREO | AFMT_S16_LE,
45	0
46};
47static struct pcmchan_caps au_playcaps = {4000, 48000, au_playfmt, 0};
48
49static u_int32_t au_recfmt[] = {
50	AFMT_U8,
51	AFMT_STEREO | AFMT_U8,
52	AFMT_S16_LE,
53	AFMT_STEREO | AFMT_S16_LE,
54	0
55};
56static struct pcmchan_caps au_reccaps = {4000, 48000, au_recfmt, 0};
57
58/* -------------------------------------------------------------------- */
59
60struct au_info;
61
62struct au_chinfo {
63	struct au_info *parent;
64	struct pcm_channel *channel;
65	struct snd_dbuf *buffer;
66	int dir;
67};
68
69struct au_info {
70	int unit;
71
72	bus_space_tag_t st[3];
73	bus_space_handle_t sh[3];
74
75	bus_dma_tag_t	parent_dmat;
76	struct mtx *lock;
77
78	u_int32_t	x[32], y[128];
79	char		z[128];
80	u_int32_t	routes[4], interrupts;
81	struct au_chinfo pch;
82};
83
84static int      au_init(device_t dev, struct au_info *au);
85static void     au_intr(void *);
86
87/* -------------------------------------------------------------------- */
88
89static u_int32_t
90au_rd(struct au_info *au, int mapno, int regno, int size)
91{
92	switch(size) {
93	case 1:
94		return bus_space_read_1(au->st[mapno], au->sh[mapno], regno);
95	case 2:
96		return bus_space_read_2(au->st[mapno], au->sh[mapno], regno);
97	case 4:
98		return bus_space_read_4(au->st[mapno], au->sh[mapno], regno);
99	default:
100		return 0xffffffff;
101	}
102}
103
104static void
105au_wr(struct au_info *au, int mapno, int regno, u_int32_t data, int size)
106{
107	switch(size) {
108	case 1:
109		bus_space_write_1(au->st[mapno], au->sh[mapno], regno, data);
110		break;
111	case 2:
112		bus_space_write_2(au->st[mapno], au->sh[mapno], regno, data);
113		break;
114	case 4:
115		bus_space_write_4(au->st[mapno], au->sh[mapno], regno, data);
116		break;
117	}
118}
119
120/* -------------------------------------------------------------------- */
121
122static int
123au_rdcd(kobj_t obj, void *arg, int regno)
124{
125	struct au_info *au = (struct au_info *)arg;
126	int i=0, j=0;
127
128	regno<<=16;
129	au_wr(au, 0, AU_REG_CODECIO, regno, 4);
130	while (j<50) {
131		i=au_rd(au, 0, AU_REG_CODECIO, 4);
132		if ((i & 0x00ff0000) == (regno | 0x00800000)) break;
133		DELAY(j * 200 + 2000);
134		j++;
135	}
136	if (j==50) printf("pcm%d: codec timeout reading register %x (%x)\n",
137		au->unit, (regno & AU_CDC_REGMASK)>>16, i);
138	return i & AU_CDC_DATAMASK;
139}
140
141static int
142au_wrcd(kobj_t obj, void *arg, int regno, u_int32_t data)
143{
144	struct au_info *au = (struct au_info *)arg;
145	int i, j, tries;
146	i=j=tries=0;
147	do {
148		while (j<50 && (i & AU_CDC_WROK) == 0) {
149			i=au_rd(au, 0, AU_REG_CODECST, 4);
150			DELAY(2000);
151			j++;
152		}
153		if (j==50) printf("codec timeout during write of register %x, data %x\n",
154				  regno, data);
155		au_wr(au, 0, AU_REG_CODECIO, (regno<<16) | AU_CDC_REGSET | data, 4);
156/*		DELAY(20000);
157		i=au_rdcd(au, regno);
158*/		tries++;
159	} while (0); /* (i != data && tries < 3); */
160	/*
161	if (tries == 3) printf("giving up writing 0x%4x to codec reg %2x\n", data, regno);
162	*/
163
164	return 0;
165}
166
167static kobj_method_t au_ac97_methods[] = {
168    	KOBJMETHOD(ac97_read,		au_rdcd),
169    	KOBJMETHOD(ac97_write,		au_wrcd),
170	{ 0, 0 }
171};
172AC97_DECLARE(au_ac97);
173
174/* -------------------------------------------------------------------- */
175
176static void
177au_setbit(u_int32_t *p, char bit, u_int32_t value)
178{
179	p += bit >> 5;
180	bit &= 0x1f;
181	*p &= ~ (1 << bit);
182	*p |= (value << bit);
183}
184
185static void
186au_addroute(struct au_info *au, int a, int b, int route)
187{
188	int j = 0x1099c+(a<<2);
189	if (au->x[a] != a+0x67) j = AU_REG_RTBASE+(au->x[a]<<2);
190
191	au_wr(au, 0, AU_REG_RTBASE+(route<<2), 0xffffffff, 4);
192 	au_wr(au, 0, j, route | (b<<7), 4);
193	au->y[route]=au->x[a];
194	au->x[a]=route;
195	au->z[route]=a & 0x000000ff;
196	au_setbit(au->routes, route, 1);
197}
198
199static void
200au_delroute(struct au_info *au, int route)
201{
202	int i;
203	int j=au->z[route];
204
205	au_setbit(au->routes, route, 0);
206	au->z[route]=0x1f;
207	i=au_rd(au, 0, AU_REG_RTBASE+(route<<2), 4);
208	au_wr(au, 0, AU_REG_RTBASE+(au->y[route]<<2), i, 4);
209	au->y[i & 0x7f]=au->y[route];
210	au_wr(au, 0, AU_REG_RTBASE+(route<<2), 0xfffffffe, 4);
211	if (au->x[j] == route) au->x[j]=au->y[route];
212	au->y[route]=0x7f;
213}
214
215static void
216au_encodec(struct au_info *au, char channel)
217{
218	au_wr(au, 0, AU_REG_CODECEN,
219	      au_rd(au, 0, AU_REG_CODECEN, 4) | (1 << (channel + 8)), 4);
220}
221
222static void
223au_clrfifo(struct au_info *au, u_int32_t c)
224{
225	u_int32_t i;
226
227	for (i=0; i<32; i++) au_wr(au, 0, AU_REG_FIFOBASE+(c<<7)+(i<<2), 0, 4);
228}
229
230static void
231au_setadb(struct au_info *au, u_int32_t c, u_int32_t enable)
232{
233	int x;
234
235	x = au_rd(au, 0, AU_REG_ADB, 4);
236	x &= ~(1 << c);
237	x |= (enable << c);
238	au_wr(au, 0, AU_REG_ADB, x, 4);
239}
240
241static void
242au_prepareoutput(struct au_chinfo *ch, u_int32_t format)
243{
244	struct au_info *au = ch->parent;
245	int i, stereo = (format & AFMT_STEREO)? 1 : 0;
246	u_int32_t baseaddr = sndbuf_getbufaddr(ch->buffer);
247
248	au_wr(au, 0, 0x1061c, 0, 4);
249	au_wr(au, 0, 0x10620, 0, 4);
250	au_wr(au, 0, 0x10624, 0, 4);
251	switch(format & ~AFMT_STEREO) {
252		case 1:
253			i=0xb000;
254			break;
255		case 2:
256			i=0xf000;
257			break;
258 		case 8:
259			i=0x7000;
260			break;
261		case 16:
262			i=0x23000;
263			break;
264		default:
265			i=0x3000;
266	}
267	au_wr(au, 0, 0x10200, baseaddr, 4);
268	au_wr(au, 0, 0x10204, baseaddr+0x1000, 4);
269	au_wr(au, 0, 0x10208, baseaddr+0x2000, 4);
270	au_wr(au, 0, 0x1020c, baseaddr+0x3000, 4);
271
272	au_wr(au, 0, 0x10400, 0xdeffffff, 4);
273	au_wr(au, 0, 0x10404, 0xfcffffff, 4);
274
275	au_wr(au, 0, 0x10580, i, 4);
276
277	au_wr(au, 0, 0x10210, baseaddr, 4);
278	au_wr(au, 0, 0x10214, baseaddr+0x1000, 4);
279	au_wr(au, 0, 0x10218, baseaddr+0x2000, 4);
280	au_wr(au, 0, 0x1021c, baseaddr+0x3000, 4);
281
282	au_wr(au, 0, 0x10408, 0x00fff000 | 0x56000000 | 0x00000fff, 4);
283	au_wr(au, 0, 0x1040c, 0x00fff000 | 0x74000000 | 0x00000fff, 4);
284
285	au_wr(au, 0, 0x10584, i, 4);
286
287	au_wr(au, 0, 0x0f800, stereo? 0x00030032 : 0x00030030, 4);
288	au_wr(au, 0, 0x0f804, stereo? 0x00030032 : 0x00030030, 4);
289
290	au_addroute(au, 0x11, 0, 0x58);
291	au_addroute(au, 0x11, stereo? 0 : 1, 0x59);
292}
293
294/* -------------------------------------------------------------------- */
295/* channel interface */
296static void *
297auchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
298{
299	struct au_info *au = devinfo;
300	struct au_chinfo *ch = (dir == PCMDIR_PLAY)? &au->pch : NULL;
301
302	ch->parent = au;
303	ch->channel = c;
304	ch->buffer = b;
305	ch->dir = dir;
306	if (sndbuf_alloc(ch->buffer, au->parent_dmat, 0, AU_BUFFSIZE) != 0)
307		return NULL;
308	return ch;
309}
310
311static int
312auchan_setformat(kobj_t obj, void *data, u_int32_t format)
313{
314	struct au_chinfo *ch = data;
315
316	if (ch->dir == PCMDIR_PLAY) au_prepareoutput(ch, format);
317	return 0;
318}
319
320static int
321auchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
322{
323	struct au_chinfo *ch = data;
324	if (ch->dir == PCMDIR_PLAY) {
325	} else {
326	}
327	return speed;
328}
329
330static int
331auchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
332{
333	return blocksize;
334}
335
336static int
337auchan_trigger(kobj_t obj, void *data, int go)
338{
339	struct au_chinfo *ch = data;
340	struct au_info *au = ch->parent;
341
342	if (!PCMTRIG_COMMON(go))
343		return 0;
344
345	if (ch->dir == PCMDIR_PLAY) {
346		au_setadb(au, 0x11, (go)? 1 : 0);
347		if (go != PCMTRIG_START) {
348			au_wr(au, 0, 0xf800, 0, 4);
349			au_wr(au, 0, 0xf804, 0, 4);
350			au_delroute(au, 0x58);
351			au_delroute(au, 0x59);
352		}
353	} else {
354	}
355	return 0;
356}
357
358static int
359auchan_getptr(kobj_t obj, void *data)
360{
361	struct au_chinfo *ch = data;
362	struct au_info *au = ch->parent;
363	if (ch->dir == PCMDIR_PLAY) {
364		return au_rd(au, 0, AU_REG_UNK2, 4) & (AU_BUFFSIZE-1);
365	} else {
366		return 0;
367	}
368}
369
370static struct pcmchan_caps *
371auchan_getcaps(kobj_t obj, void *data)
372{
373	struct au_chinfo *ch = data;
374	return (ch->dir == PCMDIR_PLAY)? &au_playcaps : &au_reccaps;
375}
376
377static kobj_method_t auchan_methods[] = {
378    	KOBJMETHOD(channel_init,		auchan_init),
379    	KOBJMETHOD(channel_setformat,		auchan_setformat),
380    	KOBJMETHOD(channel_setspeed,		auchan_setspeed),
381    	KOBJMETHOD(channel_setblocksize,	auchan_setblocksize),
382    	KOBJMETHOD(channel_trigger,		auchan_trigger),
383    	KOBJMETHOD(channel_getptr,		auchan_getptr),
384    	KOBJMETHOD(channel_getcaps,		auchan_getcaps),
385	{ 0, 0 }
386};
387CHANNEL_DECLARE(auchan);
388
389/* -------------------------------------------------------------------- */
390/* The interrupt handler */
391static void
392au_intr (void *p)
393{
394	struct au_info *au = p;
395	u_int32_t	intsrc, i;
396
397	au->interrupts++;
398	intsrc=au_rd(au, 0, AU_REG_IRQSRC, 4);
399	printf("pcm%d: interrupt with src %x\n", au->unit, intsrc);
400	if (intsrc & AU_IRQ_FATAL) printf("pcm%d: fatal error irq\n", au->unit);
401	if (intsrc & AU_IRQ_PARITY) printf("pcm%d: parity error irq\n", au->unit);
402	if (intsrc & AU_IRQ_UNKNOWN) {
403		(void)au_rd(au, 0, AU_REG_UNK1, 4);
404		au_wr(au, 0, AU_REG_UNK1, 0, 4);
405		au_wr(au, 0, AU_REG_UNK1, 0x10000, 4);
406	}
407	if (intsrc & AU_IRQ_PCMOUT) {
408	       	i=au_rd(au, 0, AU_REG_UNK2, 4) & (AU_BUFFSIZE-1);
409	       	chn_intr(au->pch.channel);
410		(void)au_rd(au, 0, AU_REG_UNK3, 4);
411		(void)au_rd(au, 0, AU_REG_UNK4, 4);
412		(void)au_rd(au, 0, AU_REG_UNK5, 4);
413	}
414/* don't support midi
415	if (intsrc & AU_IRQ_MIDI) {
416		i=au_rd(au, 0, 0x11004, 4);
417		j=10;
418		while (i & 0xff) {
419			if (j-- <= 0) break;
420			i=au_rd(au, 0, 0x11000, 4);
421			if ((au->midi_stat & 1) && (au->midi_out))
422				au->midi_out(au->midi_devno, i);
423			i=au_rd(au, 0, 0x11004);
424		}
425	}
426*/
427	au_wr(au, 0, AU_REG_IRQSRC, intsrc & 0x7ff, 4);
428	au_rd(au, 0, AU_REG_IRQSRC, 4);
429}
430
431
432/* -------------------------------------------------------------------- */
433
434/* Probe and attach the card */
435
436static int
437au_init(device_t dev, struct au_info *au)
438{
439	u_int32_t	i, j;
440
441	au_wr(au, 0, AU_REG_IRQGLOB, 0xffffffff, 4);
442	DELAY(100000);
443
444	/* init codec */
445	/* cold reset */
446	for (i=0; i<32; i++) {
447		au_wr(au, 0, AU_REG_CODECCHN+(i<<2), 0, 4);
448		DELAY(10000);
449	}
450	if (1) {
451		au_wr(au, 0, AU_REG_CODECST, 0x8068, 4);
452		DELAY(10000);
453		au_wr(au, 0, AU_REG_CODECST, 0x00e8, 4);
454		DELAY(10000);
455	} else {
456		au_wr(au, 0, AU_REG_CODECST, 0x00a8, 4);
457 		DELAY(100000);
458		au_wr(au, 0, AU_REG_CODECST, 0x80a8, 4);
459		DELAY(100000);
460		au_wr(au, 0, AU_REG_CODECST, 0x80e8, 4);
461		DELAY(100000);
462		au_wr(au, 0, AU_REG_CODECST, 0x80a8, 4);
463		DELAY(100000);
464		au_wr(au, 0, AU_REG_CODECST, 0x00a8, 4);
465		DELAY(100000);
466		au_wr(au, 0, AU_REG_CODECST, 0x00e8, 4);
467		DELAY(100000);
468	}
469
470	/* init */
471	for (i=0; i<32; i++) {
472		au_wr(au, 0, AU_REG_CODECCHN+(i<<2), 0, 4);
473		DELAY(10000);
474	}
475	au_wr(au, 0, AU_REG_CODECST, 0xe8, 4);
476	DELAY(10000);
477	au_wr(au, 0, AU_REG_CODECEN, 0, 4);
478
479	/* setup codec */
480	i=j=0;
481	while (j<100 && (i & AU_CDC_READY)==0) {
482		i=au_rd(au, 0, AU_REG_CODECST, 4);
483		DELAY(1000);
484		j++;
485	}
486	if (j==100) device_printf(dev, "codec not ready, status 0x%x\n", i);
487
488   	/* init adb */
489	/*au->x5c=0;*/
490	for (i=0; i<32;  i++) au->x[i]=i+0x67;
491	for (i=0; i<128; i++) au->y[i]=0x7f;
492	for (i=0; i<128; i++) au->z[i]=0x1f;
493	au_wr(au, 0, AU_REG_ADB, 0, 4);
494	for (i=0; i<124; i++) au_wr(au, 0, AU_REG_RTBASE+(i<<2), 0xffffffff, 4);
495
496	/* test */
497	i=au_rd(au, 0, 0x107c0, 4);
498 	if (i!=0xdeadbeef) device_printf(dev, "dma check failed: 0x%x\n", i);
499
500	/* install mixer */
501	au_wr(au, 0, AU_REG_IRQGLOB,
502	      au_rd(au, 0, AU_REG_IRQGLOB, 4) | AU_IRQ_ENABLE, 4);
503	/* braindead but it's what the oss/linux driver does
504	 * for (i=0; i<0x80000000; i++) au_wr(au, 0, i<<2, 0, 4);
505	 */
506	au->routes[0]=au->routes[1]=au->routes[2]=au->routes[3]=0;
507	/*au->x1e4=0;*/
508
509	/* attach channel */
510	au_addroute(au, 0x11, 0x48, 0x02);
511	au_addroute(au, 0x11, 0x49, 0x03);
512	au_encodec(au, 0);
513	au_encodec(au, 1);
514
515	for (i=0; i<48; i++) au_wr(au, 0, 0xf800+(i<<2), 0x20, 4);
516	for (i=2; i<6; i++) au_wr(au, 0, 0xf800+(i<<2), 0, 4);
517	au_wr(au, 0, 0xf8c0, 0x0843, 4);
518	for (i=0; i<4; i++) au_clrfifo(au, i);
519
520	return (0);
521}
522
523static int
524au_testirq(struct au_info *au)
525{
526	au_wr(au, 0, AU_REG_UNK1, 0x80001000, 4);
527	au_wr(au, 0, AU_REG_IRQEN, 0x00001030, 4);
528	au_wr(au, 0, AU_REG_IRQSRC, 0x000007ff, 4);
529	DELAY(1000000);
530	if (au->interrupts==0) printf("pcm%d: irq test failed\n", au->unit);
531	/* this apparently generates an irq */
532	return 0;
533}
534
535static int
536au_pci_probe(device_t dev)
537{
538	if (pci_get_devid(dev) == AU8820_PCI_ID) {
539		device_set_desc(dev, "Aureal Vortex 8820");
540		return BUS_PROBE_DEFAULT;
541	}
542
543	return ENXIO;
544}
545
546static int
547au_pci_attach(device_t dev)
548{
549	u_int32_t	data;
550	struct au_info *au;
551	int		type[10];
552	int		regid[10];
553	struct resource *reg[10];
554	int		i, j, mapped = 0;
555	int		irqid;
556	struct resource *irq = 0;
557	void		*ih = 0;
558	struct ac97_info *codec;
559	char 		status[SND_STATUSLEN];
560
561	au = malloc(sizeof(*au), M_DEVBUF, M_WAITOK | M_ZERO);
562	au->unit = device_get_unit(dev);
563
564	data = pci_read_config(dev, PCIR_COMMAND, 2);
565	data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
566	pci_write_config(dev, PCIR_COMMAND, data, 2);
567	data = pci_read_config(dev, PCIR_COMMAND, 2);
568
569	j=0;
570	/* XXX dfr: is this strictly necessary? */
571	for (i=0; i<PCI_MAXMAPS_0; i++) {
572#if 0
573		/* Slapped wrist: config_id and map are private structures */
574		if (bootverbose) {
575			printf("pcm%d: map %d - allocating ", unit, i+1);
576			printf("0x%x bytes of ", 1<<config_id->map[i].ln2size);
577			printf("%s space ", (config_id->map[i].type & PCI_MAPPORT)?
578					    "io" : "memory");
579			printf("at 0x%x...", config_id->map[i].base);
580		}
581#endif
582		regid[j] = PCIR_BAR(i);
583		type[j] = SYS_RES_MEMORY;
584		reg[j] = bus_alloc_resource_any(dev, type[j], &regid[j],
585						RF_ACTIVE);
586		if (!reg[j]) {
587			type[j] = SYS_RES_IOPORT;
588			reg[j] = bus_alloc_resource_any(dev, type[j],
589							&regid[j], RF_ACTIVE);
590		}
591		if (reg[j]) {
592			au->st[i] = rman_get_bustag(reg[j]);
593			au->sh[i] = rman_get_bushandle(reg[j]);
594			mapped++;
595		}
596#if 0
597		if (bootverbose) printf("%s\n", mapped? "ok" : "failed");
598#endif
599		if (mapped) j++;
600		if (j == 10) {
601			/* XXX */
602			device_printf(dev, "too many resources");
603			goto bad;
604		}
605	}
606
607#if 0
608	if (j < config_id->nummaps) {
609		printf("pcm%d: unable to map a required resource\n", unit);
610		free(au, M_DEVBUF);
611		return;
612	}
613#endif
614
615	au_wr(au, 0, AU_REG_IRQEN, 0, 4);
616
617	irqid = 0;
618	irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &irqid,
619				     RF_ACTIVE | RF_SHAREABLE);
620	if (!irq || snd_setup_intr(dev, irq, 0, au_intr, au, &ih)) {
621		device_printf(dev, "unable to map interrupt\n");
622		goto bad;
623	}
624
625	if (au_testirq(au)) device_printf(dev, "irq test failed\n");
626
627	if (au_init(dev, au) == -1) {
628		device_printf(dev, "unable to initialize the card\n");
629		goto bad;
630	}
631
632	codec = AC97_CREATE(dev, au, au_ac97);
633	if (codec == NULL) goto bad;
634	if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad;
635
636	if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
637		/*boundary*/0,
638		/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
639		/*highaddr*/BUS_SPACE_MAXADDR,
640		/*filter*/NULL, /*filterarg*/NULL,
641		/*maxsize*/AU_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff,
642		/*flags*/0, /*lockfunc*/busdma_lock_mutex,
643		/*lockarg*/&Giant, &au->parent_dmat) != 0) {
644		device_printf(dev, "unable to create dma tag\n");
645		goto bad;
646	}
647
648	snprintf(status, SND_STATUSLEN, "at %s 0x%lx irq %ld %s",
649		 (type[0] == SYS_RES_IOPORT)? "io" : "memory",
650		 rman_get_start(reg[0]), rman_get_start(irq),PCM_KLDSTRING(snd_aureal));
651
652	if (pcm_register(dev, au, 1, 1)) goto bad;
653	/* pcm_addchan(dev, PCMDIR_REC, &au_chantemplate, au); */
654	pcm_addchan(dev, PCMDIR_PLAY, &auchan_class, au);
655	pcm_setstatus(dev, status);
656
657	return 0;
658
659 bad:
660	if (au) free(au, M_DEVBUF);
661	for (i = 0; i < j; i++)
662		bus_release_resource(dev, type[i], regid[i], reg[i]);
663	if (ih) bus_teardown_intr(dev, irq, ih);
664	if (irq) bus_release_resource(dev, SYS_RES_IRQ, irqid, irq);
665	return ENXIO;
666}
667
668static device_method_t au_methods[] = {
669	/* Device interface */
670	DEVMETHOD(device_probe,		au_pci_probe),
671	DEVMETHOD(device_attach,	au_pci_attach),
672
673	{ 0, 0 }
674};
675
676static driver_t au_driver = {
677	"pcm",
678	au_methods,
679	PCM_SOFTC_SIZE,
680};
681
682DRIVER_MODULE(snd_aureal, pci, au_driver, pcm_devclass, 0, 0);
683MODULE_DEPEND(snd_aureal, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
684MODULE_VERSION(snd_aureal, 1);
685