1 /*-
2  * Copyright (c) 2000 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, WHETHERIN 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 THEPOSSIBILITY 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 
34 #include <dev/pci/pcireg.h>
35 #include <dev/pci/pcivar.h>
36 
37 #include <dev/sound/pci/ds1.h>
38 #include <dev/sound/pci/ds1-fw.h>
39 
40 SND_DECLARE_FILE("$FreeBSD: stable/9/sys/dev/sound/pci/ds1.c 254306 2013-08-13 22:05:50Z scottl $");
41 
42 /* -------------------------------------------------------------------- */
43 
44 #define	DS1_CHANS 4
45 #define DS1_RECPRIMARY 0
46 #define DS1_IRQHZ ((48000 << 8) / 256)
47 #define DS1_BUFFSIZE 4096
48 
49 struct pbank {
50 	volatile u_int32_t	Format;
51 	volatile u_int32_t	LoopDefault;
52 	volatile u_int32_t	PgBase;
53 	volatile u_int32_t	PgLoop;
54 	volatile u_int32_t	PgLoopEnd;
55 	volatile u_int32_t	PgLoopFrac;
56 	volatile u_int32_t	PgDeltaEnd;
57 	volatile u_int32_t	LpfKEnd;
58 	volatile u_int32_t	EgGainEnd;
59 	volatile u_int32_t	LchGainEnd;
60 	volatile u_int32_t	RchGainEnd;
61 	volatile u_int32_t	Effect1GainEnd;
62 	volatile u_int32_t	Effect2GainEnd;
63 	volatile u_int32_t	Effect3GainEnd;
64 	volatile u_int32_t	LpfQ;
65 	volatile u_int32_t	Status;
66 	volatile u_int32_t	NumOfFrames;
67 	volatile u_int32_t	LoopCount;
68 	volatile u_int32_t	PgStart;
69 	volatile u_int32_t	PgStartFrac;
70 	volatile u_int32_t	PgDelta;
71 	volatile u_int32_t	LpfK;
72 	volatile u_int32_t	EgGain;
73 	volatile u_int32_t	LchGain;
74 	volatile u_int32_t	RchGain;
75 	volatile u_int32_t	Effect1Gain;
76 	volatile u_int32_t	Effect2Gain;
77 	volatile u_int32_t	Effect3Gain;
78 	volatile u_int32_t	LpfD1;
79 	volatile u_int32_t	LpfD2;
80 };
81 
82 struct rbank {
83 	volatile u_int32_t	PgBase;
84 	volatile u_int32_t	PgLoopEnd;
85 	volatile u_int32_t	PgStart;
86 	volatile u_int32_t	NumOfLoops;
87 };
88 
89 struct sc_info;
90 
91 /* channel registers */
92 struct sc_pchinfo {
93 	int run, spd, dir, fmt;
94 	struct snd_dbuf *buffer;
95 	struct pcm_channel *channel;
96 	volatile struct pbank *lslot, *rslot;
97 	int lsnum, rsnum;
98 	struct sc_info *parent;
99 };
100 
101 struct sc_rchinfo {
102 	int run, spd, dir, fmt, num;
103 	struct snd_dbuf *buffer;
104 	struct pcm_channel *channel;
105 	volatile struct rbank *slot;
106 	struct sc_info *parent;
107 };
108 
109 /* device private data */
110 struct sc_info {
111 	device_t	dev;
112 	u_int32_t 	type, rev;
113 	u_int32_t	cd2id, ctrlbase;
114 
115 	bus_space_tag_t st;
116 	bus_space_handle_t sh;
117 	bus_dma_tag_t buffer_dmat, control_dmat;
118 	bus_dmamap_t map;
119 
120 	struct resource *reg, *irq;
121 	int		regid, irqid;
122 	void		*ih;
123 	struct mtx	*lock;
124 
125 	void *regbase;
126 	u_int32_t *pbase, pbankbase, pbanksize;
127 	volatile struct pbank *pbank[2 * 64];
128 	volatile struct rbank *rbank;
129 	int pslotfree, currbank, pchn, rchn;
130 	unsigned int bufsz;
131 
132 	struct sc_pchinfo pch[DS1_CHANS];
133 	struct sc_rchinfo rch[2];
134 };
135 
136 struct {
137 	u_int32_t dev, subdev;
138 	char *name;
139 	u_int32_t *mcode;
140 } ds_devs[] = {
141 	{0x00041073, 0, 		"Yamaha DS-1 (YMF724)", CntrlInst},
142 	{0x000d1073, 0, 		"Yamaha DS-1E (YMF724F)", CntrlInst1E},
143 	{0x00051073, 0, 		"Yamaha DS-1? (YMF734)", CntrlInst},
144 	{0x00081073, 0, 		"Yamaha DS-1? (YMF737)", CntrlInst},
145 	{0x00201073, 0, 		"Yamaha DS-1? (YMF738)", CntrlInst},
146 	{0x00061073, 0, 		"Yamaha DS-1? (YMF738_TEG)", CntrlInst},
147 	{0x000a1073, 0x00041073, 	"Yamaha DS-1 (YMF740)", CntrlInst},
148 	{0x000a1073, 0x000a1073,  	"Yamaha DS-1 (YMF740B)", CntrlInst},
149 	{0x000a1073, 0x53328086,	"Yamaha DS-1 (YMF740I)", CntrlInst},
150 	{0x000a1073, 0, 		"Yamaha DS-1 (YMF740?)", CntrlInst},
151 	{0x000c1073, 0, 		"Yamaha DS-1E (YMF740C)", CntrlInst1E},
152 	{0x00101073, 0, 		"Yamaha DS-1E (YMF744)", CntrlInst1E},
153 	{0x00121073, 0, 		"Yamaha DS-1E (YMF754)", CntrlInst1E},
154 	{0, 0, NULL, NULL}
155 };
156 
157 /* -------------------------------------------------------------------- */
158 
159 /*
160  * prototypes
161  */
162 
163 /* stuff */
164 static int       ds_init(struct sc_info *);
165 static void      ds_intr(void *);
166 
167 /* talk to the card */
168 static u_int32_t ds_rd(struct sc_info *, int, int);
169 static void 	 ds_wr(struct sc_info *, int, u_int32_t, int);
170 
171 /* -------------------------------------------------------------------- */
172 
173 static u_int32_t ds_recfmt[] = {
174 	SND_FORMAT(AFMT_U8, 1, 0),
175 	SND_FORMAT(AFMT_U8, 2, 0),
176 	SND_FORMAT(AFMT_S8, 1, 0),
177 	SND_FORMAT(AFMT_S8, 2, 0),
178 	SND_FORMAT(AFMT_S16_LE, 1, 0),
179 	SND_FORMAT(AFMT_S16_LE, 2, 0),
180 	SND_FORMAT(AFMT_U16_LE, 1, 0),
181 	SND_FORMAT(AFMT_U16_LE, 2, 0),
182 	0
183 };
184 static struct pcmchan_caps ds_reccaps = {4000, 48000, ds_recfmt, 0};
185 
186 static u_int32_t ds_playfmt[] = {
187 	SND_FORMAT(AFMT_U8, 1, 0),
188 	SND_FORMAT(AFMT_U8, 2, 0),
189 	/* SND_FORMAT(AFMT_S16_LE, 1, 0), */
190 	SND_FORMAT(AFMT_S16_LE, 2, 0),
191 	0
192 };
193 static struct pcmchan_caps ds_playcaps = {4000, 96000, ds_playfmt, 0};
194 
195 /* -------------------------------------------------------------------- */
196 /* Hardware */
197 static u_int32_t
ds_rd(struct sc_info * sc,int regno,int size)198 ds_rd(struct sc_info *sc, int regno, int size)
199 {
200 	switch (size) {
201 	case 1:
202 		return bus_space_read_1(sc->st, sc->sh, regno);
203 	case 2:
204 		return bus_space_read_2(sc->st, sc->sh, regno);
205 	case 4:
206 		return bus_space_read_4(sc->st, sc->sh, regno);
207 	default:
208 		return 0xffffffff;
209 	}
210 }
211 
212 static void
ds_wr(struct sc_info * sc,int regno,u_int32_t data,int size)213 ds_wr(struct sc_info *sc, int regno, u_int32_t data, int size)
214 {
215 	switch (size) {
216 	case 1:
217 		bus_space_write_1(sc->st, sc->sh, regno, data);
218 		break;
219 	case 2:
220 		bus_space_write_2(sc->st, sc->sh, regno, data);
221 		break;
222 	case 4:
223 		bus_space_write_4(sc->st, sc->sh, regno, data);
224 		break;
225 	}
226 }
227 
228 static void
wrl(struct sc_info * sc,u_int32_t * ptr,u_int32_t val)229 wrl(struct sc_info *sc, u_int32_t *ptr, u_int32_t val)
230 {
231 	*(volatile u_int32_t *)ptr = val;
232 	bus_space_barrier(sc->st, sc->sh, 0, 0, BUS_SPACE_BARRIER_WRITE);
233 }
234 
235 /* -------------------------------------------------------------------- */
236 /* ac97 codec */
237 static int
ds_cdbusy(struct sc_info * sc,int sec)238 ds_cdbusy(struct sc_info *sc, int sec)
239 {
240 	int i, reg;
241 
242 	reg = sec? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR;
243 	i = YDSXG_AC97TIMEOUT;
244 	while (i > 0) {
245 		if (!(ds_rd(sc, reg, 2) & 0x8000))
246 			return 0;
247 		i--;
248 	}
249 	return ETIMEDOUT;
250 }
251 
252 static u_int32_t
ds_initcd(kobj_t obj,void * devinfo)253 ds_initcd(kobj_t obj, void *devinfo)
254 {
255 	struct sc_info *sc = (struct sc_info *)devinfo;
256 	u_int32_t x;
257 
258 	x = pci_read_config(sc->dev, PCIR_DSXGCTRL, 1);
259 	if (x & 0x03) {
260 		pci_write_config(sc->dev, PCIR_DSXGCTRL, x & ~0x03, 1);
261 		pci_write_config(sc->dev, PCIR_DSXGCTRL, x | 0x03, 1);
262 		pci_write_config(sc->dev, PCIR_DSXGCTRL, x & ~0x03, 1);
263 		/*
264 		 * The YMF740 on some Intel motherboards requires a pretty
265 		 * hefty delay after this reset for some reason...  Otherwise:
266 		 * "pcm0: ac97 codec init failed"
267 		 * Maybe this is needed for all YMF740's?
268 		 * 400ms and 500ms here seem to work, 300ms does not.
269 		 *
270 		 * do it for all chips -cg
271 		 */
272 		DELAY(500000);
273 	}
274 
275 	return ds_cdbusy(sc, 0)? 0 : 1;
276 }
277 
278 static int
ds_rdcd(kobj_t obj,void * devinfo,int regno)279 ds_rdcd(kobj_t obj, void *devinfo, int regno)
280 {
281 	struct sc_info *sc = (struct sc_info *)devinfo;
282 	int sec, cid, i;
283 	u_int32_t cmd, reg;
284 
285 	sec = regno & 0x100;
286 	regno &= 0xff;
287 	cid = sec? (sc->cd2id << 8) : 0;
288 	reg = sec? YDSXGR_SECSTATUSDATA : YDSXGR_PRISTATUSDATA;
289 	if (sec && cid == 0)
290 		return 0xffffffff;
291 
292 	cmd = YDSXG_AC97READCMD | cid | regno;
293 	ds_wr(sc, YDSXGR_AC97CMDADR, cmd, 2);
294 
295 	if (ds_cdbusy(sc, sec))
296 		return 0xffffffff;
297 
298 	if (sc->type == 11 && sc->rev < 2)
299 		for (i = 0; i < 600; i++)
300 			ds_rd(sc, reg, 2);
301 
302 	return ds_rd(sc, reg, 2);
303 }
304 
305 static int
ds_wrcd(kobj_t obj,void * devinfo,int regno,u_int32_t data)306 ds_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
307 {
308 	struct sc_info *sc = (struct sc_info *)devinfo;
309 	int sec, cid;
310 	u_int32_t cmd;
311 
312 	sec = regno & 0x100;
313 	regno &= 0xff;
314 	cid = sec? (sc->cd2id << 8) : 0;
315 	if (sec && cid == 0)
316 		return ENXIO;
317 
318 	cmd = YDSXG_AC97WRITECMD | cid | regno;
319 	cmd <<= 16;
320 	cmd |= data;
321 	ds_wr(sc, YDSXGR_AC97CMDDATA, cmd, 4);
322 
323 	return ds_cdbusy(sc, sec);
324 }
325 
326 static kobj_method_t ds_ac97_methods[] = {
327     	KOBJMETHOD(ac97_init,		ds_initcd),
328     	KOBJMETHOD(ac97_read,		ds_rdcd),
329     	KOBJMETHOD(ac97_write,		ds_wrcd),
330 	KOBJMETHOD_END
331 };
332 AC97_DECLARE(ds_ac97);
333 
334 /* -------------------------------------------------------------------- */
335 
336 static void
ds_enadsp(struct sc_info * sc,int on)337 ds_enadsp(struct sc_info *sc, int on)
338 {
339 	u_int32_t v, i;
340 
341 	v = on? 1 : 0;
342 	if (on) {
343 		ds_wr(sc, YDSXGR_CONFIG, 0x00000001, 4);
344 	} else {
345 		if (ds_rd(sc, YDSXGR_CONFIG, 4))
346 			ds_wr(sc, YDSXGR_CONFIG, 0x00000000, 4);
347 		i = YDSXG_WORKBITTIMEOUT;
348 		while (i > 0) {
349 			if (!(ds_rd(sc, YDSXGR_CONFIG, 4) & 0x00000002))
350 				break;
351 			i--;
352 		}
353 	}
354 }
355 
356 static volatile struct pbank *
ds_allocpslot(struct sc_info * sc)357 ds_allocpslot(struct sc_info *sc)
358 {
359 	int slot;
360 
361 	if (sc->pslotfree > 63)
362 		return NULL;
363 	slot = sc->pslotfree++;
364 	return sc->pbank[slot * 2];
365 }
366 
367 static int
ds_initpbank(volatile struct pbank * pb,int ch,int b16,int stereo,u_int32_t rate,bus_addr_t base,u_int32_t len)368 ds_initpbank(volatile struct pbank *pb, int ch, int b16, int stereo, u_int32_t rate, bus_addr_t base, u_int32_t len)
369 {
370 	u_int32_t lv[] = {1, 1, 0, 0, 0};
371 	u_int32_t rv[] = {1, 0, 1, 0, 0};
372 	u_int32_t e1[] = {0, 0, 0, 0, 0};
373 	u_int32_t e2[] = {1, 0, 0, 1, 0};
374 	u_int32_t e3[] = {1, 0, 0, 0, 1};
375 	int ss, i;
376 	u_int32_t delta;
377 
378 	struct {
379 		int rate, fK, fQ;
380 	} speedinfo[] = {
381 		{  100, 0x00570000, 0x35280000},
382 		{ 2000, 0x06aa0000, 0x34a70000},
383 		{ 8000, 0x18b20000, 0x32020000},
384 		{11025, 0x20930000, 0x31770000},
385 		{16000, 0x2b9a0000, 0x31390000},
386 		{22050, 0x35a10000, 0x31c90000},
387 		{32000, 0x3eaa0000, 0x33d00000},
388 /*		{44100, 0x04646000, 0x370a0000},
389 */		{48000, 0x40000000, 0x40000000},
390 	};
391 
392 	ss = b16? 1 : 0;
393 	ss += stereo? 1 : 0;
394 	delta = (65536 * rate) / 48000;
395 	i = 0;
396 	while (i < 7 && speedinfo[i].rate < rate)
397 		i++;
398 
399 	pb->Format = stereo? 0x00010000 : 0;
400 	pb->Format |= b16? 0 : 0x80000000;
401 	pb->Format |= (stereo && (ch == 2 || ch == 4))? 0x00000001 : 0;
402 	pb->LoopDefault = 0;
403 	pb->PgBase = base;
404 	pb->PgLoop = 0;
405 	pb->PgLoopEnd = len >> ss;
406 	pb->PgLoopFrac = 0;
407 	pb->Status = 0;
408 	pb->NumOfFrames = 0;
409 	pb->LoopCount = 0;
410 	pb->PgStart = 0;
411 	pb->PgStartFrac = 0;
412 	pb->PgDelta = pb->PgDeltaEnd = delta << 12;
413 	pb->LpfQ = speedinfo[i].fQ;
414 	pb->LpfK = pb->LpfKEnd = speedinfo[i].fK;
415 	pb->LpfD1 = pb->LpfD2 = 0;
416 	pb->EgGain = pb->EgGainEnd = 0x40000000;
417 	pb->LchGain = pb->LchGainEnd = lv[ch] * 0x40000000;
418 	pb->RchGain = pb->RchGainEnd = rv[ch] * 0x40000000;
419 	pb->Effect1Gain = pb->Effect1GainEnd = e1[ch] * 0x40000000;
420 	pb->Effect2Gain = pb->Effect2GainEnd = e2[ch] * 0x40000000;
421 	pb->Effect3Gain = pb->Effect3GainEnd = e3[ch] * 0x40000000;
422 
423 	return 0;
424 }
425 
426 static void
ds_enapslot(struct sc_info * sc,int slot,int go)427 ds_enapslot(struct sc_info *sc, int slot, int go)
428 {
429 	wrl(sc, &sc->pbase[slot + 1], go? (sc->pbankbase + 2 * slot * sc->pbanksize) : 0);
430 	/* printf("pbase[%d] = 0x%x\n", slot + 1, go? (sc->pbankbase + 2 * slot * sc->pbanksize) : 0); */
431 }
432 
433 static void
ds_setuppch(struct sc_pchinfo * ch)434 ds_setuppch(struct sc_pchinfo *ch)
435 {
436 	int stereo, b16, c, sz;
437 	bus_addr_t addr;
438 
439 	stereo = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0;
440 	b16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
441 	c = stereo? 1 : 0;
442 	addr = sndbuf_getbufaddr(ch->buffer);
443 	sz = sndbuf_getsize(ch->buffer);
444 
445 	ds_initpbank(ch->lslot, c, stereo, b16, ch->spd, addr, sz);
446 	ds_initpbank(ch->lslot + 1, c, stereo, b16, ch->spd, addr, sz);
447 	ds_initpbank(ch->rslot, 2, stereo, b16, ch->spd, addr, sz);
448 	ds_initpbank(ch->rslot + 1, 2, stereo, b16, ch->spd, addr, sz);
449 }
450 
451 static void
ds_setuprch(struct sc_rchinfo * ch)452 ds_setuprch(struct sc_rchinfo *ch)
453 {
454 	struct sc_info *sc = ch->parent;
455 	int stereo, b16, i, sz, pri;
456 	u_int32_t x, y;
457 	bus_addr_t addr;
458 
459 	stereo = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0;
460 	b16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
461 	addr = sndbuf_getbufaddr(ch->buffer);
462 	sz = sndbuf_getsize(ch->buffer);
463 	pri = (ch->num == DS1_RECPRIMARY)? 1 : 0;
464 
465 	for (i = 0; i < 2; i++) {
466 		ch->slot[i].PgBase = addr;
467 		ch->slot[i].PgLoopEnd = sz;
468 		ch->slot[i].PgStart = 0;
469 		ch->slot[i].NumOfLoops = 0;
470 	}
471 	x = (b16? 0x00 : 0x01) | (stereo? 0x02 : 0x00);
472 	y = (48000 * 4096) / ch->spd;
473 	y--;
474 	/* printf("pri = %d, x = %d, y = %d\n", pri, x, y); */
475 	ds_wr(sc, pri? YDSXGR_ADCFORMAT : YDSXGR_RECFORMAT, x, 4);
476 	ds_wr(sc, pri? YDSXGR_ADCSLOTSR : YDSXGR_RECSLOTSR, y, 4);
477 }
478 
479 /* -------------------------------------------------------------------- */
480 /* play channel interface */
481 static void *
ds1pchan_init(kobj_t obj,void * devinfo,struct snd_dbuf * b,struct pcm_channel * c,int dir)482 ds1pchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
483 {
484 	struct sc_info *sc = devinfo;
485 	struct sc_pchinfo *ch;
486 
487 	KASSERT(dir == PCMDIR_PLAY, ("ds1pchan_init: bad direction"));
488 
489 	ch = &sc->pch[sc->pchn++];
490 	ch->buffer = b;
491 	ch->parent = sc;
492 	ch->channel = c;
493 	ch->dir = dir;
494 	ch->fmt = SND_FORMAT(AFMT_U8, 1, 0);
495 	ch->spd = 8000;
496 	ch->run = 0;
497 	if (sndbuf_alloc(ch->buffer, sc->buffer_dmat, 0, sc->bufsz) != 0)
498 		return NULL;
499 	else {
500 		ch->lsnum = sc->pslotfree;
501 		ch->lslot = ds_allocpslot(sc);
502 		ch->rsnum = sc->pslotfree;
503 		ch->rslot = ds_allocpslot(sc);
504 		ds_setuppch(ch);
505 		return ch;
506 	}
507 }
508 
509 static int
ds1pchan_setformat(kobj_t obj,void * data,u_int32_t format)510 ds1pchan_setformat(kobj_t obj, void *data, u_int32_t format)
511 {
512 	struct sc_pchinfo *ch = data;
513 
514 	ch->fmt = format;
515 
516 	return 0;
517 }
518 
519 static u_int32_t
ds1pchan_setspeed(kobj_t obj,void * data,u_int32_t speed)520 ds1pchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
521 {
522 	struct sc_pchinfo *ch = data;
523 
524 	ch->spd = speed;
525 
526 	return speed;
527 }
528 
529 static u_int32_t
ds1pchan_setblocksize(kobj_t obj,void * data,u_int32_t blocksize)530 ds1pchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
531 {
532 	struct sc_pchinfo *ch = data;
533 	struct sc_info *sc = ch->parent;
534 	int drate;
535 
536 	/* irq rate is fixed at 187.5hz */
537 	drate = ch->spd * sndbuf_getalign(ch->buffer);
538 	blocksize = roundup2((drate << 8) / DS1_IRQHZ, 4);
539 	sndbuf_resize(ch->buffer, sc->bufsz / blocksize, blocksize);
540 
541 	return blocksize;
542 }
543 
544 /* semantic note: must start at beginning of buffer */
545 static int
ds1pchan_trigger(kobj_t obj,void * data,int go)546 ds1pchan_trigger(kobj_t obj, void *data, int go)
547 {
548 	struct sc_pchinfo *ch = data;
549 	struct sc_info *sc = ch->parent;
550 	int stereo;
551 
552 	if (!PCMTRIG_COMMON(go))
553 		return 0;
554 	stereo = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0;
555 	if (go == PCMTRIG_START) {
556 		ch->run = 1;
557 		ds_setuppch(ch);
558 		ds_enapslot(sc, ch->lsnum, 1);
559 		ds_enapslot(sc, ch->rsnum, stereo);
560 		snd_mtxlock(sc->lock);
561 		ds_wr(sc, YDSXGR_MODE, 0x00000003, 4);
562 		snd_mtxunlock(sc->lock);
563 	} else {
564 		ch->run = 0;
565 		/* ds_setuppch(ch); */
566 		ds_enapslot(sc, ch->lsnum, 0);
567 		ds_enapslot(sc, ch->rsnum, 0);
568 	}
569 
570 	return 0;
571 }
572 
573 static u_int32_t
ds1pchan_getptr(kobj_t obj,void * data)574 ds1pchan_getptr(kobj_t obj, void *data)
575 {
576 	struct sc_pchinfo *ch = data;
577 	struct sc_info *sc = ch->parent;
578 	volatile struct pbank *bank;
579 	int ss;
580 	u_int32_t ptr;
581 
582 	ss = (AFMT_CHANNEL(ch->fmt) > 1)? 1 : 0;
583 	ss += (ch->fmt & AFMT_16BIT)? 1 : 0;
584 
585 	bank = ch->lslot + sc->currbank;
586 	/* printf("getptr: %d\n", bank->PgStart << ss); */
587 	ptr = bank->PgStart;
588 	ptr <<= ss;
589 	return ptr;
590 }
591 
592 static struct pcmchan_caps *
ds1pchan_getcaps(kobj_t obj,void * data)593 ds1pchan_getcaps(kobj_t obj, void *data)
594 {
595 	return &ds_playcaps;
596 }
597 
598 static kobj_method_t ds1pchan_methods[] = {
599     	KOBJMETHOD(channel_init,		ds1pchan_init),
600     	KOBJMETHOD(channel_setformat,		ds1pchan_setformat),
601     	KOBJMETHOD(channel_setspeed,		ds1pchan_setspeed),
602     	KOBJMETHOD(channel_setblocksize,	ds1pchan_setblocksize),
603     	KOBJMETHOD(channel_trigger,		ds1pchan_trigger),
604     	KOBJMETHOD(channel_getptr,		ds1pchan_getptr),
605     	KOBJMETHOD(channel_getcaps,		ds1pchan_getcaps),
606 	KOBJMETHOD_END
607 };
608 CHANNEL_DECLARE(ds1pchan);
609 
610 /* -------------------------------------------------------------------- */
611 /* record channel interface */
612 static void *
ds1rchan_init(kobj_t obj,void * devinfo,struct snd_dbuf * b,struct pcm_channel * c,int dir)613 ds1rchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
614 {
615 	struct sc_info *sc = devinfo;
616 	struct sc_rchinfo *ch;
617 
618 	KASSERT(dir == PCMDIR_REC, ("ds1rchan_init: bad direction"));
619 
620 	ch = &sc->rch[sc->rchn];
621 	ch->num = sc->rchn++;
622 	ch->buffer = b;
623 	ch->parent = sc;
624 	ch->channel = c;
625 	ch->dir = dir;
626 	ch->fmt = SND_FORMAT(AFMT_U8, 1, 0);
627 	ch->spd = 8000;
628 	if (sndbuf_alloc(ch->buffer, sc->buffer_dmat, 0, sc->bufsz) != 0)
629 		return NULL;
630 	else {
631 		ch->slot = (ch->num == DS1_RECPRIMARY)? sc->rbank + 2: sc->rbank;
632 		ds_setuprch(ch);
633 		return ch;
634 	}
635 }
636 
637 static int
ds1rchan_setformat(kobj_t obj,void * data,u_int32_t format)638 ds1rchan_setformat(kobj_t obj, void *data, u_int32_t format)
639 {
640 	struct sc_rchinfo *ch = data;
641 
642 	ch->fmt = format;
643 
644 	return 0;
645 }
646 
647 static u_int32_t
ds1rchan_setspeed(kobj_t obj,void * data,u_int32_t speed)648 ds1rchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
649 {
650 	struct sc_rchinfo *ch = data;
651 
652 	ch->spd = speed;
653 
654 	return speed;
655 }
656 
657 static u_int32_t
ds1rchan_setblocksize(kobj_t obj,void * data,u_int32_t blocksize)658 ds1rchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
659 {
660 	struct sc_rchinfo *ch = data;
661 	struct sc_info *sc = ch->parent;
662 	int drate;
663 
664 	/* irq rate is fixed at 187.5hz */
665 	drate = ch->spd * sndbuf_getalign(ch->buffer);
666 	blocksize = roundup2((drate << 8) / DS1_IRQHZ, 4);
667 	sndbuf_resize(ch->buffer, sc->bufsz / blocksize, blocksize);
668 
669 	return blocksize;
670 }
671 
672 /* semantic note: must start at beginning of buffer */
673 static int
ds1rchan_trigger(kobj_t obj,void * data,int go)674 ds1rchan_trigger(kobj_t obj, void *data, int go)
675 {
676 	struct sc_rchinfo *ch = data;
677 	struct sc_info *sc = ch->parent;
678 	u_int32_t x;
679 
680 	if (!PCMTRIG_COMMON(go))
681 		return 0;
682 	if (go == PCMTRIG_START) {
683 		ch->run = 1;
684 		ds_setuprch(ch);
685 		snd_mtxlock(sc->lock);
686 		x = ds_rd(sc, YDSXGR_MAPOFREC, 4);
687 		x |= (ch->num == DS1_RECPRIMARY)? 0x02 : 0x01;
688 		ds_wr(sc, YDSXGR_MAPOFREC, x, 4);
689 		ds_wr(sc, YDSXGR_MODE, 0x00000003, 4);
690 		snd_mtxunlock(sc->lock);
691 	} else {
692 		ch->run = 0;
693 		snd_mtxlock(sc->lock);
694 		x = ds_rd(sc, YDSXGR_MAPOFREC, 4);
695 		x &= ~((ch->num == DS1_RECPRIMARY)? 0x02 : 0x01);
696 		ds_wr(sc, YDSXGR_MAPOFREC, x, 4);
697 		snd_mtxunlock(sc->lock);
698 	}
699 
700 	return 0;
701 }
702 
703 static u_int32_t
ds1rchan_getptr(kobj_t obj,void * data)704 ds1rchan_getptr(kobj_t obj, void *data)
705 {
706 	struct sc_rchinfo *ch = data;
707 	struct sc_info *sc = ch->parent;
708 
709 	return ch->slot[sc->currbank].PgStart;
710 }
711 
712 static struct pcmchan_caps *
ds1rchan_getcaps(kobj_t obj,void * data)713 ds1rchan_getcaps(kobj_t obj, void *data)
714 {
715 	return &ds_reccaps;
716 }
717 
718 static kobj_method_t ds1rchan_methods[] = {
719     	KOBJMETHOD(channel_init,		ds1rchan_init),
720     	KOBJMETHOD(channel_setformat,		ds1rchan_setformat),
721     	KOBJMETHOD(channel_setspeed,		ds1rchan_setspeed),
722     	KOBJMETHOD(channel_setblocksize,	ds1rchan_setblocksize),
723     	KOBJMETHOD(channel_trigger,		ds1rchan_trigger),
724     	KOBJMETHOD(channel_getptr,		ds1rchan_getptr),
725     	KOBJMETHOD(channel_getcaps,		ds1rchan_getcaps),
726 	KOBJMETHOD_END
727 };
728 CHANNEL_DECLARE(ds1rchan);
729 
730 /* -------------------------------------------------------------------- */
731 /* The interrupt handler */
732 static void
ds_intr(void * p)733 ds_intr(void *p)
734 {
735 	struct sc_info *sc = (struct sc_info *)p;
736 	u_int32_t i, x;
737 
738 	snd_mtxlock(sc->lock);
739 	i = ds_rd(sc, YDSXGR_STATUS, 4);
740 	if (i & 0x00008000)
741 		device_printf(sc->dev, "timeout irq\n");
742 	if (i & 0x80008000) {
743 		ds_wr(sc, YDSXGR_STATUS, i & 0x80008000, 4);
744 		sc->currbank = ds_rd(sc, YDSXGR_CTRLSELECT, 4) & 0x00000001;
745 
746 		x = 0;
747 		for (i = 0; i < DS1_CHANS; i++) {
748 			if (sc->pch[i].run) {
749 				x = 1;
750 				snd_mtxunlock(sc->lock);
751 				chn_intr(sc->pch[i].channel);
752 				snd_mtxlock(sc->lock);
753 			}
754 		}
755 		for (i = 0; i < 2; i++) {
756 			if (sc->rch[i].run) {
757 				x = 1;
758 				snd_mtxunlock(sc->lock);
759 				chn_intr(sc->rch[i].channel);
760 				snd_mtxlock(sc->lock);
761 			}
762 		}
763 		i = ds_rd(sc, YDSXGR_MODE, 4);
764 		if (x)
765 			ds_wr(sc, YDSXGR_MODE, i | 0x00000002, 4);
766 
767 	}
768 	snd_mtxunlock(sc->lock);
769 }
770 
771 /* -------------------------------------------------------------------- */
772 
773 /*
774  * Probe and attach the card
775  */
776 
777 static void
ds_setmap(void * arg,bus_dma_segment_t * segs,int nseg,int error)778 ds_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
779 {
780 	struct sc_info *sc = arg;
781 
782 	sc->ctrlbase = error? 0 : (u_int32_t)segs->ds_addr;
783 
784 	if (bootverbose) {
785 		printf("ds1: setmap (%lx, %lx), nseg=%d, error=%d\n",
786 		       (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
787 		       nseg, error);
788 	}
789 }
790 
791 static int
ds_init(struct sc_info * sc)792 ds_init(struct sc_info *sc)
793 {
794 	int i;
795 	u_int32_t *ci, r, pcs, rcs, ecs, ws, memsz, cb;
796 	u_int8_t *t;
797 	void *buf;
798 
799 	ci = ds_devs[sc->type].mcode;
800 
801 	ds_wr(sc, YDSXGR_NATIVEDACOUTVOL, 0x00000000, 4);
802 	ds_enadsp(sc, 0);
803 	ds_wr(sc, YDSXGR_MODE, 0x00010000, 4);
804 	ds_wr(sc, YDSXGR_MODE, 0x00000000, 4);
805 	ds_wr(sc, YDSXGR_MAPOFREC, 0x00000000, 4);
806 	ds_wr(sc, YDSXGR_MAPOFEFFECT, 0x00000000, 4);
807 	ds_wr(sc, YDSXGR_PLAYCTRLBASE, 0x00000000, 4);
808 	ds_wr(sc, YDSXGR_RECCTRLBASE, 0x00000000, 4);
809 	ds_wr(sc, YDSXGR_EFFCTRLBASE, 0x00000000, 4);
810 	r = ds_rd(sc, YDSXGR_GLOBALCTRL, 2);
811 	ds_wr(sc, YDSXGR_GLOBALCTRL, r & ~0x0007, 2);
812 
813 	for (i = 0; i < YDSXG_DSPLENGTH; i += 4)
814 		ds_wr(sc, YDSXGR_DSPINSTRAM + i, DspInst[i >> 2], 4);
815 
816 	for (i = 0; i < YDSXG_CTRLLENGTH; i += 4)
817 		ds_wr(sc, YDSXGR_CTRLINSTRAM + i, ci[i >> 2], 4);
818 
819 	ds_enadsp(sc, 1);
820 
821 	pcs = 0;
822 	for (i = 100; i > 0; i--) {
823 		pcs = ds_rd(sc, YDSXGR_PLAYCTRLSIZE, 4) << 2;
824 		if (pcs == sizeof(struct pbank))
825 			break;
826 		DELAY(1000);
827 	}
828 	if (pcs != sizeof(struct pbank)) {
829 		device_printf(sc->dev, "preposterous playctrlsize (%d)\n", pcs);
830 		return -1;
831 	}
832 	rcs = ds_rd(sc, YDSXGR_RECCTRLSIZE, 4) << 2;
833 	ecs = ds_rd(sc, YDSXGR_EFFCTRLSIZE, 4) << 2;
834 	ws = ds_rd(sc, YDSXGR_WORKSIZE, 4) << 2;
835 
836 	memsz = 64 * 2 * pcs + 2 * 2 * rcs + 5 * 2 * ecs + ws;
837 	memsz += (64 + 1) * 4;
838 
839 	if (sc->regbase == NULL) {
840 		if (bus_dma_tag_create(bus_get_dma_tag(sc->dev), 2, 0,
841 				       BUS_SPACE_MAXADDR_32BIT,
842 				       BUS_SPACE_MAXADDR,
843 				       NULL, NULL, memsz, 1, memsz, 0, NULL,
844 				       NULL, &sc->control_dmat))
845 			return -1;
846 		if (bus_dmamem_alloc(sc->control_dmat, &buf, BUS_DMA_NOWAIT, &sc->map))
847 			return -1;
848 		if (bus_dmamap_load(sc->control_dmat, sc->map, buf, memsz, ds_setmap, sc, 0) || !sc->ctrlbase) {
849 			device_printf(sc->dev, "pcs=%d, rcs=%d, ecs=%d, ws=%d, memsz=%d\n",
850 			      	      pcs, rcs, ecs, ws, memsz);
851 			return -1;
852 		}
853 		sc->regbase = buf;
854 	} else
855 		buf = sc->regbase;
856 
857 	cb = 0;
858 	t = buf;
859 	ds_wr(sc, YDSXGR_WORKBASE, sc->ctrlbase + cb, 4);
860 	cb += ws;
861 	sc->pbase = (u_int32_t *)(t + cb);
862 	/* printf("pbase = %p -> 0x%x\n", sc->pbase, sc->ctrlbase + cb); */
863 	ds_wr(sc, YDSXGR_PLAYCTRLBASE, sc->ctrlbase + cb, 4);
864 	cb += (64 + 1) * 4;
865 	sc->rbank = (struct rbank *)(t + cb);
866 	ds_wr(sc, YDSXGR_RECCTRLBASE, sc->ctrlbase + cb, 4);
867 	cb += 2 * 2 * rcs;
868 	ds_wr(sc, YDSXGR_EFFCTRLBASE, sc->ctrlbase + cb, 4);
869 	cb += 5 * 2 * ecs;
870 
871 	sc->pbankbase = sc->ctrlbase + cb;
872 	sc->pbanksize = pcs;
873 	for (i = 0; i < 64; i++) {
874 		wrl(sc, &sc->pbase[i + 1], 0);
875 		sc->pbank[i * 2] = (struct pbank *)(t + cb);
876 		/* printf("pbank[%d] = %p -> 0x%x; ", i * 2, (struct pbank *)(t + cb), sc->ctrlbase + cb - vtophys(t + cb)); */
877 		cb += pcs;
878 		sc->pbank[i * 2 + 1] = (struct pbank *)(t + cb);
879 		/* printf("pbank[%d] = %p -> 0x%x\n", i * 2 + 1, (struct pbank *)(t + cb), sc->ctrlbase + cb - vtophys(t + cb)); */
880 		cb += pcs;
881 	}
882 	wrl(sc, &sc->pbase[0], DS1_CHANS * 2);
883 
884 	sc->pchn = sc->rchn = 0;
885 	ds_wr(sc, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff, 4);
886 	ds_wr(sc, YDSXGR_NATIVEADCINVOL, 0x3fff3fff, 4);
887 	ds_wr(sc, YDSXGR_NATIVEDACINVOL, 0x3fff3fff, 4);
888 
889 	return 0;
890 }
891 
892 static int
ds_uninit(struct sc_info * sc)893 ds_uninit(struct sc_info *sc)
894 {
895 	ds_wr(sc, YDSXGR_NATIVEDACOUTVOL, 0x00000000, 4);
896 	ds_wr(sc, YDSXGR_NATIVEADCINVOL, 0, 4);
897 	ds_wr(sc, YDSXGR_NATIVEDACINVOL, 0, 4);
898 	ds_enadsp(sc, 0);
899 	ds_wr(sc, YDSXGR_MODE, 0x00010000, 4);
900 	ds_wr(sc, YDSXGR_MAPOFREC, 0x00000000, 4);
901 	ds_wr(sc, YDSXGR_MAPOFEFFECT, 0x00000000, 4);
902 	ds_wr(sc, YDSXGR_PLAYCTRLBASE, 0x00000000, 4);
903 	ds_wr(sc, YDSXGR_RECCTRLBASE, 0x00000000, 4);
904 	ds_wr(sc, YDSXGR_EFFCTRLBASE, 0x00000000, 4);
905 	ds_wr(sc, YDSXGR_GLOBALCTRL, 0, 2);
906 
907 	bus_dmamap_unload(sc->control_dmat, sc->map);
908 	bus_dmamem_free(sc->control_dmat, sc->regbase, sc->map);
909 
910 	return 0;
911 }
912 
913 static int
ds_finddev(u_int32_t dev,u_int32_t subdev)914 ds_finddev(u_int32_t dev, u_int32_t subdev)
915 {
916 	int i;
917 
918 	for (i = 0; ds_devs[i].dev; i++) {
919 		if (ds_devs[i].dev == dev &&
920 		    (ds_devs[i].subdev == subdev || ds_devs[i].subdev == 0))
921 			return i;
922 	}
923 	return -1;
924 }
925 
926 static int
ds_pci_probe(device_t dev)927 ds_pci_probe(device_t dev)
928 {
929 	int i;
930 	u_int32_t subdev;
931 
932 	subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
933 	i = ds_finddev(pci_get_devid(dev), subdev);
934 	if (i >= 0) {
935 		device_set_desc(dev, ds_devs[i].name);
936 		return BUS_PROBE_DEFAULT;
937 	} else
938 		return ENXIO;
939 }
940 
941 static int
ds_pci_attach(device_t dev)942 ds_pci_attach(device_t dev)
943 {
944 	u_int32_t subdev, i;
945 	struct sc_info *sc;
946 	struct ac97_info *codec = NULL;
947 	char 		status[SND_STATUSLEN];
948 
949 	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
950 	sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_ds1 softc");
951 	sc->dev = dev;
952 	subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
953 	sc->type = ds_finddev(pci_get_devid(dev), subdev);
954 	sc->rev = pci_get_revid(dev);
955 
956 	pci_enable_busmaster(dev);
957 
958 	sc->regid = PCIR_BAR(0);
959 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->regid,
960 					 RF_ACTIVE);
961 	if (!sc->reg) {
962 		device_printf(dev, "unable to map register space\n");
963 		goto bad;
964 	}
965 
966 	sc->st = rman_get_bustag(sc->reg);
967 	sc->sh = rman_get_bushandle(sc->reg);
968 
969 	sc->bufsz = pcm_getbuffersize(dev, 4096, DS1_BUFFSIZE, 65536);
970 
971 	if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev), /*alignment*/2,
972 		/*boundary*/0,
973 		/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
974 		/*highaddr*/BUS_SPACE_MAXADDR,
975 		/*filter*/NULL, /*filterarg*/NULL,
976 		/*maxsize*/sc->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
977 		/*flags*/0, /*lockfunc*/NULL,
978 		/*lockarg*/NULL, &sc->buffer_dmat) != 0) {
979 		device_printf(dev, "unable to create dma tag\n");
980 		goto bad;
981 	}
982 
983 	sc->regbase = NULL;
984 	if (ds_init(sc) == -1) {
985 		device_printf(dev, "unable to initialize the card\n");
986 		goto bad;
987 	}
988 
989 	codec = AC97_CREATE(dev, sc, ds_ac97);
990 	if (codec == NULL)
991 		goto bad;
992 	/*
993 	 * Turn on inverted external amplifier sense flags for few
994 	 * 'special' boards.
995 	 */
996 	switch (subdev) {
997 	case 0x81171033:	/* NEC ValueStar (VT550/0) */
998 		ac97_setflags(codec, ac97_getflags(codec) | AC97_F_EAPD_INV);
999 		break;
1000 	default:
1001 		break;
1002 	}
1003 	mixer_init(dev, ac97_getmixerclass(), codec);
1004 
1005 	sc->irqid = 0;
1006 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
1007 					 RF_ACTIVE | RF_SHAREABLE);
1008 	if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ds_intr, sc, &sc->ih)) {
1009 		device_printf(dev, "unable to map interrupt\n");
1010 		goto bad;
1011 	}
1012 
1013 	snprintf(status, SND_STATUSLEN, "at memory 0x%lx irq %ld %s",
1014 		 rman_get_start(sc->reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_ds1));
1015 
1016 	if (pcm_register(dev, sc, DS1_CHANS, 2))
1017 		goto bad;
1018 	for (i = 0; i < DS1_CHANS; i++)
1019 		pcm_addchan(dev, PCMDIR_PLAY, &ds1pchan_class, sc);
1020 	for (i = 0; i < 2; i++)
1021 		pcm_addchan(dev, PCMDIR_REC, &ds1rchan_class, sc);
1022 	pcm_setstatus(dev, status);
1023 
1024 	return 0;
1025 
1026 bad:
1027 	if (codec)
1028 		ac97_destroy(codec);
1029 	if (sc->reg)
1030 		bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
1031 	if (sc->ih)
1032 		bus_teardown_intr(dev, sc->irq, sc->ih);
1033 	if (sc->irq)
1034 		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
1035 	if (sc->buffer_dmat)
1036 		bus_dma_tag_destroy(sc->buffer_dmat);
1037 	if (sc->control_dmat)
1038 		bus_dma_tag_destroy(sc->control_dmat);
1039 	if (sc->lock)
1040 		snd_mtxfree(sc->lock);
1041 	free(sc, M_DEVBUF);
1042 	return ENXIO;
1043 }
1044 
1045 static int
ds_pci_resume(device_t dev)1046 ds_pci_resume(device_t dev)
1047 {
1048        struct sc_info *sc;
1049 
1050        sc = pcm_getdevinfo(dev);
1051 
1052        if (ds_init(sc) == -1) {
1053            device_printf(dev, "unable to reinitialize the card\n");
1054            return ENXIO;
1055        }
1056        if (mixer_reinit(dev) == -1) {
1057                device_printf(dev, "unable to reinitialize the mixer\n");
1058                return ENXIO;
1059        }
1060        return 0;
1061 }
1062 
1063 static int
ds_pci_detach(device_t dev)1064 ds_pci_detach(device_t dev)
1065 {
1066     	int r;
1067 	struct sc_info *sc;
1068 
1069 	r = pcm_unregister(dev);
1070 	if (r)
1071     		return r;
1072 
1073 	sc = pcm_getdevinfo(dev);
1074 	ds_uninit(sc);
1075 	bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
1076 	bus_teardown_intr(dev, sc->irq, sc->ih);
1077 	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
1078 	bus_dma_tag_destroy(sc->buffer_dmat);
1079 	bus_dma_tag_destroy(sc->control_dmat);
1080 	snd_mtxfree(sc->lock);
1081 	free(sc, M_DEVBUF);
1082        	return 0;
1083 }
1084 
1085 static device_method_t ds1_methods[] = {
1086 	/* Device interface */
1087 	DEVMETHOD(device_probe,		ds_pci_probe),
1088 	DEVMETHOD(device_attach,	ds_pci_attach),
1089 	DEVMETHOD(device_detach,	ds_pci_detach),
1090 	DEVMETHOD(device_resume,        ds_pci_resume),
1091 	{ 0, 0 }
1092 };
1093 
1094 static driver_t ds1_driver = {
1095 	"pcm",
1096 	ds1_methods,
1097 	PCM_SOFTC_SIZE,
1098 };
1099 
1100 DRIVER_MODULE(snd_ds1, pci, ds1_driver, pcm_devclass, 0, 0);
1101 MODULE_DEPEND(snd_ds1, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1102 MODULE_VERSION(snd_ds1, 1);
1103