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