ds1.c revision 126695
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#include <dev/sound/pcm/sound.h>
28#include <dev/sound/pcm/ac97.h>
29
30#include <dev/pci/pcireg.h>
31#include <dev/pci/pcivar.h>
32
33#include <dev/sound/pci/ds1.h>
34#include <dev/sound/pci/ds1-fw.h>
35
36SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/ds1.c 126695 2004-03-06 15:52:42Z matk $");
37
38/* -------------------------------------------------------------------- */
39
40#define	DS1_CHANS 4
41#define DS1_RECPRIMARY 0
42#define DS1_IRQHZ ((48000 << 8) / 256)
43#define DS1_BUFFSIZE 4096
44
45struct pbank {
46	volatile u_int32_t	Format;
47	volatile u_int32_t	LoopDefault;
48	volatile u_int32_t	PgBase;
49	volatile u_int32_t	PgLoop;
50	volatile u_int32_t	PgLoopEnd;
51	volatile u_int32_t	PgLoopFrac;
52	volatile u_int32_t	PgDeltaEnd;
53	volatile u_int32_t	LpfKEnd;
54	volatile u_int32_t	EgGainEnd;
55	volatile u_int32_t	LchGainEnd;
56	volatile u_int32_t	RchGainEnd;
57	volatile u_int32_t	Effect1GainEnd;
58	volatile u_int32_t	Effect2GainEnd;
59	volatile u_int32_t	Effect3GainEnd;
60	volatile u_int32_t	LpfQ;
61	volatile u_int32_t	Status;
62	volatile u_int32_t	NumOfFrames;
63	volatile u_int32_t	LoopCount;
64	volatile u_int32_t	PgStart;
65	volatile u_int32_t	PgStartFrac;
66	volatile u_int32_t	PgDelta;
67	volatile u_int32_t	LpfK;
68	volatile u_int32_t	EgGain;
69	volatile u_int32_t	LchGain;
70	volatile u_int32_t	RchGain;
71	volatile u_int32_t	Effect1Gain;
72	volatile u_int32_t	Effect2Gain;
73	volatile u_int32_t	Effect3Gain;
74	volatile u_int32_t	LpfD1;
75	volatile u_int32_t	LpfD2;
76};
77
78struct rbank {
79	volatile u_int32_t	PgBase;
80	volatile u_int32_t	PgLoopEnd;
81	volatile u_int32_t	PgStart;
82	volatile u_int32_t	NumOfLoops;
83};
84
85struct sc_info;
86
87/* channel registers */
88struct sc_pchinfo {
89	int run, spd, dir, fmt;
90	struct snd_dbuf *buffer;
91	struct pcm_channel *channel;
92	volatile struct pbank *lslot, *rslot;
93	int lsnum, rsnum;
94	struct sc_info *parent;
95};
96
97struct sc_rchinfo {
98	int run, spd, dir, fmt, num;
99	struct snd_dbuf *buffer;
100	struct pcm_channel *channel;
101	volatile struct rbank *slot;
102	struct sc_info *parent;
103};
104
105/* device private data */
106struct sc_info {
107	device_t	dev;
108	u_int32_t 	type, rev;
109	u_int32_t	cd2id, ctrlbase;
110
111	bus_space_tag_t st;
112	bus_space_handle_t sh;
113	bus_dma_tag_t buffer_dmat, control_dmat;
114	bus_dmamap_t map;
115
116	struct resource *reg, *irq;
117	int		regid, irqid;
118	void		*ih;
119	struct mtx	*lock;
120
121	void *regbase;
122	u_int32_t *pbase, pbankbase, pbanksize;
123	volatile struct pbank *pbank[2 * 64];
124	volatile struct rbank *rbank;
125	int pslotfree, currbank, pchn, rchn;
126	unsigned int bufsz;
127
128	struct sc_pchinfo pch[DS1_CHANS];
129	struct sc_rchinfo rch[2];
130};
131
132struct {
133	u_int32_t dev, subdev;
134	char *name;
135	u_int32_t *mcode;
136} ds_devs[] = {
137	{0x00041073, 0, 		"Yamaha DS-1 (YMF724)", CntrlInst},
138	{0x000d1073, 0, 		"Yamaha DS-1E (YMF724F)", CntrlInst1E},
139	{0x00051073, 0, 		"Yamaha DS-1? (YMF734)", CntrlInst},
140	{0x00081073, 0, 		"Yamaha DS-1? (YMF737)", CntrlInst},
141	{0x00201073, 0, 		"Yamaha DS-1? (YMF738)", CntrlInst},
142	{0x00061073, 0, 		"Yamaha DS-1? (YMF738_TEG)", CntrlInst},
143	{0x000a1073, 0x00041073, 	"Yamaha DS-1 (YMF740)", CntrlInst},
144	{0x000a1073, 0x000a1073,  	"Yamaha DS-1 (YMF740B)", CntrlInst},
145	{0x000a1073, 0x53328086,	"Yamaha DS-1 (YMF740I)", CntrlInst},
146	{0x000a1073, 0, 		"Yamaha DS-1 (YMF740?)", CntrlInst},
147	{0x000c1073, 0, 		"Yamaha DS-1E (YMF740C)", CntrlInst1E},
148	{0x00101073, 0, 		"Yamaha DS-1E (YMF744)", CntrlInst1E},
149	{0x00121073, 0, 		"Yamaha DS-1E (YMF754)", CntrlInst1E},
150	{0, 0, NULL, NULL}
151};
152
153/* -------------------------------------------------------------------- */
154
155/*
156 * prototypes
157 */
158
159/* stuff */
160static int       ds_init(struct sc_info *);
161static void      ds_intr(void *);
162
163/* talk to the card */
164static u_int32_t ds_rd(struct sc_info *, int, int);
165static void 	 ds_wr(struct sc_info *, int, u_int32_t, int);
166
167/* -------------------------------------------------------------------- */
168
169static u_int32_t ds_recfmt[] = {
170	AFMT_U8,
171	AFMT_STEREO | AFMT_U8,
172	AFMT_S8,
173	AFMT_STEREO | AFMT_S8,
174	AFMT_S16_LE,
175	AFMT_STEREO | AFMT_S16_LE,
176	AFMT_U16_LE,
177	AFMT_STEREO | AFMT_U16_LE,
178	0
179};
180static struct pcmchan_caps ds_reccaps = {4000, 48000, ds_recfmt, 0};
181
182static u_int32_t ds_playfmt[] = {
183	AFMT_U8,
184	AFMT_STEREO | AFMT_U8,
185	/* AFMT_S16_LE, */
186	AFMT_STEREO | AFMT_S16_LE,
187	0
188};
189static struct pcmchan_caps ds_playcaps = {4000, 96000, ds_playfmt, 0};
190
191/* -------------------------------------------------------------------- */
192/* Hardware */
193static u_int32_t
194ds_rd(struct sc_info *sc, int regno, int size)
195{
196	switch (size) {
197	case 1:
198		return bus_space_read_1(sc->st, sc->sh, regno);
199	case 2:
200		return bus_space_read_2(sc->st, sc->sh, regno);
201	case 4:
202		return bus_space_read_4(sc->st, sc->sh, regno);
203	default:
204		return 0xffffffff;
205	}
206}
207
208static void
209ds_wr(struct sc_info *sc, int regno, u_int32_t data, int size)
210{
211	switch (size) {
212	case 1:
213		bus_space_write_1(sc->st, sc->sh, regno, data);
214		break;
215	case 2:
216		bus_space_write_2(sc->st, sc->sh, regno, data);
217		break;
218	case 4:
219		bus_space_write_4(sc->st, sc->sh, regno, data);
220		break;
221	}
222}
223
224static void
225wrl(struct sc_info *sc, u_int32_t *ptr, u_int32_t val)
226{
227	*(volatile u_int32_t *)ptr = val;
228	bus_space_barrier(sc->st, sc->sh, 0, 0, BUS_SPACE_BARRIER_WRITE);
229}
230
231/* -------------------------------------------------------------------- */
232/* ac97 codec */
233static int
234ds_cdbusy(struct sc_info *sc, int sec)
235{
236	int i, reg;
237
238	reg = sec? YDSXGR_SECSTATUSADR : YDSXGR_PRISTATUSADR;
239	i = YDSXG_AC97TIMEOUT;
240	while (i > 0) {
241		if (!(ds_rd(sc, reg, 2) & 0x8000))
242			return 0;
243		i--;
244	}
245	return ETIMEDOUT;
246}
247
248static u_int32_t
249ds_initcd(kobj_t obj, void *devinfo)
250{
251	struct sc_info *sc = (struct sc_info *)devinfo;
252	u_int32_t x;
253
254	x = pci_read_config(sc->dev, PCIR_DSXGCTRL, 1);
255	if (x & 0x03) {
256		pci_write_config(sc->dev, PCIR_DSXGCTRL, x & ~0x03, 1);
257		pci_write_config(sc->dev, PCIR_DSXGCTRL, x | 0x03, 1);
258		pci_write_config(sc->dev, PCIR_DSXGCTRL, x & ~0x03, 1);
259		/*
260		 * The YMF740 on some Intel motherboards requires a pretty
261		 * hefty delay after this reset for some reason...  Otherwise:
262		 * "pcm0: ac97 codec init failed"
263		 * Maybe this is needed for all YMF740's?
264		 * 400ms and 500ms here seem to work, 300ms does not.
265		 *
266		 * do it for all chips -cg
267		 */
268		DELAY(500000);
269	}
270
271	return ds_cdbusy(sc, 0)? 0 : 1;
272}
273
274static int
275ds_rdcd(kobj_t obj, void *devinfo, int regno)
276{
277	struct sc_info *sc = (struct sc_info *)devinfo;
278	int sec, cid, i;
279	u_int32_t cmd, reg;
280
281	sec = regno & 0x100;
282	regno &= 0xff;
283	cid = sec? (sc->cd2id << 8) : 0;
284	reg = sec? YDSXGR_SECSTATUSDATA : YDSXGR_PRISTATUSDATA;
285	if (sec && cid == 0)
286		return 0xffffffff;
287
288	cmd = YDSXG_AC97READCMD | cid | regno;
289	ds_wr(sc, YDSXGR_AC97CMDADR, cmd, 2);
290
291	if (ds_cdbusy(sc, sec))
292		return 0xffffffff;
293
294	if (sc->type == 11 && sc->rev < 2)
295		for (i = 0; i < 600; i++)
296			ds_rd(sc, reg, 2);
297
298	return ds_rd(sc, reg, 2);
299}
300
301static int
302ds_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
303{
304	struct sc_info *sc = (struct sc_info *)devinfo;
305	int sec, cid;
306	u_int32_t cmd;
307
308	sec = regno & 0x100;
309	regno &= 0xff;
310	cid = sec? (sc->cd2id << 8) : 0;
311	if (sec && cid == 0)
312		return ENXIO;
313
314	cmd = YDSXG_AC97WRITECMD | cid | regno;
315	cmd <<= 16;
316	cmd |= data;
317	ds_wr(sc, YDSXGR_AC97CMDDATA, cmd, 4);
318
319	return ds_cdbusy(sc, sec);
320}
321
322static kobj_method_t ds_ac97_methods[] = {
323    	KOBJMETHOD(ac97_init,		ds_initcd),
324    	KOBJMETHOD(ac97_read,		ds_rdcd),
325    	KOBJMETHOD(ac97_write,		ds_wrcd),
326	{ 0, 0 }
327};
328AC97_DECLARE(ds_ac97);
329
330/* -------------------------------------------------------------------- */
331
332static void
333ds_enadsp(struct sc_info *sc, int on)
334{
335	u_int32_t v, i;
336
337	v = on? 1 : 0;
338	if (on) {
339		ds_wr(sc, YDSXGR_CONFIG, 0x00000001, 4);
340	} else {
341		if (ds_rd(sc, YDSXGR_CONFIG, 4))
342			ds_wr(sc, YDSXGR_CONFIG, 0x00000000, 4);
343		i = YDSXG_WORKBITTIMEOUT;
344		while (i > 0) {
345			if (!(ds_rd(sc, YDSXGR_CONFIG, 4) & 0x00000002))
346				break;
347			i--;
348		}
349	}
350}
351
352static volatile struct pbank *
353ds_allocpslot(struct sc_info *sc)
354{
355	int slot;
356
357	if (sc->pslotfree > 63)
358		return NULL;
359	slot = sc->pslotfree++;
360	return sc->pbank[slot * 2];
361}
362
363static int
364ds_initpbank(volatile struct pbank *pb, int ch, int b16, int stereo, u_int32_t rate, bus_addr_t base, u_int32_t len)
365{
366	u_int32_t lv[] = {1, 1, 0, 0, 0};
367	u_int32_t rv[] = {1, 0, 1, 0, 0};
368	u_int32_t e1[] = {0, 0, 0, 0, 0};
369	u_int32_t e2[] = {1, 0, 0, 1, 0};
370	u_int32_t e3[] = {1, 0, 0, 0, 1};
371	int ss, i;
372	u_int32_t delta;
373
374	struct {
375		int rate, fK, fQ;
376	} speedinfo[] = {
377		{  100, 0x00570000, 0x35280000},
378		{ 2000, 0x06aa0000, 0x34a70000},
379		{ 8000, 0x18b20000, 0x32020000},
380		{11025, 0x20930000, 0x31770000},
381		{16000, 0x2b9a0000, 0x31390000},
382		{22050, 0x35a10000, 0x31c90000},
383		{32000, 0x3eaa0000, 0x33d00000},
384/*		{44100, 0x04646000, 0x370a0000},
385*/		{48000, 0x40000000, 0x40000000},
386	};
387
388	ss = b16? 1 : 0;
389	ss += stereo? 1 : 0;
390	delta = (65536 * rate) / 48000;
391	i = 0;
392	while (i < 7 && speedinfo[i].rate < rate)
393		i++;
394
395	pb->Format = stereo? 0x00010000 : 0;
396	pb->Format |= b16? 0 : 0x80000000;
397	pb->Format |= (stereo && (ch == 2 || ch == 4))? 0x00000001 : 0;
398	pb->LoopDefault = 0;
399	pb->PgBase = base? base : 0;
400	pb->PgLoop = 0;
401	pb->PgLoopEnd = len >> ss;
402	pb->PgLoopFrac = 0;
403	pb->Status = 0;
404	pb->NumOfFrames = 0;
405	pb->LoopCount = 0;
406	pb->PgStart = 0;
407	pb->PgStartFrac = 0;
408	pb->PgDelta = pb->PgDeltaEnd = delta << 12;
409	pb->LpfQ = speedinfo[i].fQ;
410	pb->LpfK = pb->LpfKEnd = speedinfo[i].fK;
411	pb->LpfD1 = pb->LpfD2 = 0;
412	pb->EgGain = pb->EgGainEnd = 0x40000000;
413	pb->LchGain = pb->LchGainEnd = lv[ch] * 0x40000000;
414	pb->RchGain = pb->RchGainEnd = rv[ch] * 0x40000000;
415	pb->Effect1Gain = pb->Effect1GainEnd = e1[ch] * 0x40000000;
416	pb->Effect2Gain = pb->Effect2GainEnd = e2[ch] * 0x40000000;
417	pb->Effect3Gain = pb->Effect3GainEnd = e3[ch] * 0x40000000;
418
419	return 0;
420}
421
422static void
423ds_enapslot(struct sc_info *sc, int slot, int go)
424{
425	wrl(sc, &sc->pbase[slot + 1], go? (sc->pbankbase + 2 * slot * sc->pbanksize) : 0);
426	/* printf("pbase[%d] = 0x%x\n", slot + 1, go? (sc->pbankbase + 2 * slot * sc->pbanksize) : 0); */
427}
428
429static void
430ds_setuppch(struct sc_pchinfo *ch)
431{
432	int stereo, b16, c, sz;
433	bus_addr_t addr;
434
435	stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
436	b16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
437	c = stereo? 1 : 0;
438	addr = sndbuf_getbufaddr(ch->buffer);
439	sz = sndbuf_getsize(ch->buffer);
440
441	ds_initpbank(ch->lslot, c, stereo, b16, ch->spd, addr, sz);
442	ds_initpbank(ch->lslot + 1, c, stereo, b16, ch->spd, addr, sz);
443	ds_initpbank(ch->rslot, 2, stereo, b16, ch->spd, addr, sz);
444	ds_initpbank(ch->rslot + 1, 2, stereo, b16, ch->spd, addr, sz);
445}
446
447static void
448ds_setuprch(struct sc_rchinfo *ch)
449{
450	struct sc_info *sc = ch->parent;
451	int stereo, b16, i, sz, pri;
452	u_int32_t x, y;
453	bus_addr_t addr;
454
455	stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
456	b16 = (ch->fmt & AFMT_16BIT)? 1 : 0;
457	addr = sndbuf_getbufaddr(ch->buffer);
458	sz = sndbuf_getsize(ch->buffer);
459	pri = (ch->num == DS1_RECPRIMARY)? 1 : 0;
460
461	for (i = 0; i < 2; i++) {
462		ch->slot[i].PgBase = addr;
463		ch->slot[i].PgLoopEnd = sz;
464		ch->slot[i].PgStart = 0;
465		ch->slot[i].NumOfLoops = 0;
466	}
467	x = (b16? 0x00 : 0x01) | (stereo? 0x02 : 0x00);
468	y = (48000 * 4096) / ch->spd;
469	y--;
470	/* printf("pri = %d, x = %d, y = %d\n", pri, x, y); */
471	ds_wr(sc, pri? YDSXGR_ADCFORMAT : YDSXGR_RECFORMAT, x, 4);
472	ds_wr(sc, pri? YDSXGR_ADCSLOTSR : YDSXGR_RECSLOTSR, y, 4);
473}
474
475/* -------------------------------------------------------------------- */
476/* play channel interface */
477static void *
478ds1pchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
479{
480	struct sc_info *sc = devinfo;
481	struct sc_pchinfo *ch;
482
483	KASSERT(dir == PCMDIR_PLAY, ("ds1pchan_init: bad direction"));
484
485	ch = &sc->pch[sc->pchn++];
486	ch->buffer = b;
487	ch->parent = sc;
488	ch->channel = c;
489	ch->dir = dir;
490	ch->fmt = AFMT_U8;
491	ch->spd = 8000;
492	ch->run = 0;
493	if (sndbuf_alloc(ch->buffer, sc->buffer_dmat, sc->bufsz) == -1)
494		return NULL;
495	else {
496		ch->lsnum = sc->pslotfree;
497		ch->lslot = ds_allocpslot(sc);
498		ch->rsnum = sc->pslotfree;
499		ch->rslot = ds_allocpslot(sc);
500		ds_setuppch(ch);
501		return ch;
502	}
503}
504
505static int
506ds1pchan_setformat(kobj_t obj, void *data, u_int32_t format)
507{
508	struct sc_pchinfo *ch = data;
509
510	ch->fmt = format;
511
512	return 0;
513}
514
515static int
516ds1pchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
517{
518	struct sc_pchinfo *ch = data;
519
520	ch->spd = speed;
521
522	return speed;
523}
524
525static int
526ds1pchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
527{
528	struct sc_pchinfo *ch = data;
529	struct sc_info *sc = ch->parent;
530	int drate;
531
532	/* irq rate is fixed at 187.5hz */
533	drate = ch->spd * sndbuf_getbps(ch->buffer);
534	blocksize = roundup2((drate << 8) / DS1_IRQHZ, 4);
535	sndbuf_resize(ch->buffer, sc->bufsz / blocksize, blocksize);
536
537	return blocksize;
538}
539
540/* semantic note: must start at beginning of buffer */
541static int
542ds1pchan_trigger(kobj_t obj, void *data, int go)
543{
544	struct sc_pchinfo *ch = data;
545	struct sc_info *sc = ch->parent;
546	int stereo;
547
548	if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
549		return 0;
550	stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
551	if (go == PCMTRIG_START) {
552		ch->run = 1;
553		ds_setuppch(ch);
554		ds_enapslot(sc, ch->lsnum, 1);
555		ds_enapslot(sc, ch->rsnum, stereo);
556		snd_mtxlock(sc->lock);
557		ds_wr(sc, YDSXGR_MODE, 0x00000003, 4);
558		snd_mtxunlock(sc->lock);
559	} else {
560		ch->run = 0;
561		/* ds_setuppch(ch); */
562		ds_enapslot(sc, ch->lsnum, 0);
563		ds_enapslot(sc, ch->rsnum, 0);
564	}
565
566	return 0;
567}
568
569static int
570ds1pchan_getptr(kobj_t obj, void *data)
571{
572	struct sc_pchinfo *ch = data;
573	struct sc_info *sc = ch->parent;
574	volatile struct pbank *bank;
575	int ss;
576	u_int32_t ptr;
577
578	ss = (ch->fmt & AFMT_STEREO)? 1 : 0;
579	ss += (ch->fmt & AFMT_16BIT)? 1 : 0;
580
581	bank = ch->lslot + sc->currbank;
582	/* printf("getptr: %d\n", bank->PgStart << ss); */
583	ptr = bank->PgStart;
584	ptr <<= ss;
585	return ptr;
586}
587
588static struct pcmchan_caps *
589ds1pchan_getcaps(kobj_t obj, void *data)
590{
591	return &ds_playcaps;
592}
593
594static kobj_method_t ds1pchan_methods[] = {
595    	KOBJMETHOD(channel_init,		ds1pchan_init),
596    	KOBJMETHOD(channel_setformat,		ds1pchan_setformat),
597    	KOBJMETHOD(channel_setspeed,		ds1pchan_setspeed),
598    	KOBJMETHOD(channel_setblocksize,	ds1pchan_setblocksize),
599    	KOBJMETHOD(channel_trigger,		ds1pchan_trigger),
600    	KOBJMETHOD(channel_getptr,		ds1pchan_getptr),
601    	KOBJMETHOD(channel_getcaps,		ds1pchan_getcaps),
602	{ 0, 0 }
603};
604CHANNEL_DECLARE(ds1pchan);
605
606/* -------------------------------------------------------------------- */
607/* record channel interface */
608static void *
609ds1rchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
610{
611	struct sc_info *sc = devinfo;
612	struct sc_rchinfo *ch;
613
614	KASSERT(dir == PCMDIR_REC, ("ds1rchan_init: bad direction"));
615
616	ch = &sc->rch[sc->rchn];
617	ch->num = sc->rchn++;
618	ch->buffer = b;
619	ch->parent = sc;
620	ch->channel = c;
621	ch->dir = dir;
622	ch->fmt = AFMT_U8;
623	ch->spd = 8000;
624	if (sndbuf_alloc(ch->buffer, sc->buffer_dmat, sc->bufsz) == -1)
625		return NULL;
626	else {
627		ch->slot = (ch->num == DS1_RECPRIMARY)? sc->rbank + 2: sc->rbank;
628		ds_setuprch(ch);
629		return ch;
630	}
631}
632
633static int
634ds1rchan_setformat(kobj_t obj, void *data, u_int32_t format)
635{
636	struct sc_rchinfo *ch = data;
637
638	ch->fmt = format;
639
640	return 0;
641}
642
643static int
644ds1rchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
645{
646	struct sc_rchinfo *ch = data;
647
648	ch->spd = speed;
649
650	return speed;
651}
652
653static int
654ds1rchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
655{
656	struct sc_rchinfo *ch = data;
657	struct sc_info *sc = ch->parent;
658	int drate;
659
660	/* irq rate is fixed at 187.5hz */
661	drate = ch->spd * sndbuf_getbps(ch->buffer);
662	blocksize = roundup2((drate << 8) / DS1_IRQHZ, 4);
663	sndbuf_resize(ch->buffer, sc->bufsz / blocksize, blocksize);
664
665	return blocksize;
666}
667
668/* semantic note: must start at beginning of buffer */
669static int
670ds1rchan_trigger(kobj_t obj, void *data, int go)
671{
672	struct sc_rchinfo *ch = data;
673	struct sc_info *sc = ch->parent;
674	u_int32_t x;
675
676	if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
677		return 0;
678	if (go == PCMTRIG_START) {
679		ch->run = 1;
680		ds_setuprch(ch);
681		snd_mtxlock(sc->lock);
682		x = ds_rd(sc, YDSXGR_MAPOFREC, 4);
683		x |= (ch->num == DS1_RECPRIMARY)? 0x02 : 0x01;
684		ds_wr(sc, YDSXGR_MAPOFREC, x, 4);
685		ds_wr(sc, YDSXGR_MODE, 0x00000003, 4);
686		snd_mtxunlock(sc->lock);
687	} else {
688		ch->run = 0;
689		snd_mtxlock(sc->lock);
690		x = ds_rd(sc, YDSXGR_MAPOFREC, 4);
691		x &= ~((ch->num == DS1_RECPRIMARY)? 0x02 : 0x01);
692		ds_wr(sc, YDSXGR_MAPOFREC, x, 4);
693		snd_mtxunlock(sc->lock);
694	}
695
696	return 0;
697}
698
699static int
700ds1rchan_getptr(kobj_t obj, void *data)
701{
702	struct sc_rchinfo *ch = data;
703	struct sc_info *sc = ch->parent;
704
705	return ch->slot[sc->currbank].PgStart;
706}
707
708static struct pcmchan_caps *
709ds1rchan_getcaps(kobj_t obj, void *data)
710{
711	return &ds_reccaps;
712}
713
714static kobj_method_t ds1rchan_methods[] = {
715    	KOBJMETHOD(channel_init,		ds1rchan_init),
716    	KOBJMETHOD(channel_setformat,		ds1rchan_setformat),
717    	KOBJMETHOD(channel_setspeed,		ds1rchan_setspeed),
718    	KOBJMETHOD(channel_setblocksize,	ds1rchan_setblocksize),
719    	KOBJMETHOD(channel_trigger,		ds1rchan_trigger),
720    	KOBJMETHOD(channel_getptr,		ds1rchan_getptr),
721    	KOBJMETHOD(channel_getcaps,		ds1rchan_getcaps),
722	{ 0, 0 }
723};
724CHANNEL_DECLARE(ds1rchan);
725
726/* -------------------------------------------------------------------- */
727/* The interrupt handler */
728static void
729ds_intr(void *p)
730{
731	struct sc_info *sc = (struct sc_info *)p;
732	u_int32_t i, x;
733
734	snd_mtxlock(sc->lock);
735	i = ds_rd(sc, YDSXGR_STATUS, 4);
736	if (i & 0x00008000)
737		device_printf(sc->dev, "timeout irq\n");
738	if (i & 0x80008000) {
739		ds_wr(sc, YDSXGR_STATUS, i & 0x80008000, 4);
740		sc->currbank = ds_rd(sc, YDSXGR_CTRLSELECT, 4) & 0x00000001;
741
742		x = 0;
743		for (i = 0; i < DS1_CHANS; i++) {
744			if (sc->pch[i].run) {
745				x = 1;
746				chn_intr(sc->pch[i].channel);
747			}
748		}
749		for (i = 0; i < 2; i++) {
750			if (sc->rch[i].run) {
751				x = 1;
752				chn_intr(sc->rch[i].channel);
753			}
754		}
755		i = ds_rd(sc, YDSXGR_MODE, 4);
756		if (x)
757			ds_wr(sc, YDSXGR_MODE, i | 0x00000002, 4);
758
759	}
760	snd_mtxunlock(sc->lock);
761}
762
763/* -------------------------------------------------------------------- */
764
765/*
766 * Probe and attach the card
767 */
768
769static void
770ds_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
771{
772	struct sc_info *sc = arg;
773
774	sc->ctrlbase = error? 0 : (u_int32_t)segs->ds_addr;
775
776	if (bootverbose) {
777		printf("ds1: setmap (%lx, %lx), nseg=%d, error=%d\n",
778		       (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
779		       nseg, error);
780	}
781}
782
783static int
784ds_init(struct sc_info *sc)
785{
786	int i;
787	u_int32_t *ci, r, pcs, rcs, ecs, ws, memsz, cb;
788	u_int8_t *t;
789	void *buf;
790
791	ci = ds_devs[sc->type].mcode;
792
793	ds_wr(sc, YDSXGR_NATIVEDACOUTVOL, 0x00000000, 4);
794	ds_enadsp(sc, 0);
795	ds_wr(sc, YDSXGR_MODE, 0x00010000, 4);
796	ds_wr(sc, YDSXGR_MODE, 0x00000000, 4);
797	ds_wr(sc, YDSXGR_MAPOFREC, 0x00000000, 4);
798	ds_wr(sc, YDSXGR_MAPOFEFFECT, 0x00000000, 4);
799	ds_wr(sc, YDSXGR_PLAYCTRLBASE, 0x00000000, 4);
800	ds_wr(sc, YDSXGR_RECCTRLBASE, 0x00000000, 4);
801	ds_wr(sc, YDSXGR_EFFCTRLBASE, 0x00000000, 4);
802	r = ds_rd(sc, YDSXGR_GLOBALCTRL, 2);
803	ds_wr(sc, YDSXGR_GLOBALCTRL, r & ~0x0007, 2);
804
805	for (i = 0; i < YDSXG_DSPLENGTH; i += 4)
806		ds_wr(sc, YDSXGR_DSPINSTRAM + i, DspInst[i >> 2], 4);
807
808	for (i = 0; i < YDSXG_CTRLLENGTH; i += 4)
809		ds_wr(sc, YDSXGR_CTRLINSTRAM + i, ci[i >> 2], 4);
810
811	ds_enadsp(sc, 1);
812
813	pcs = 0;
814	for (i = 100; i > 0; i--) {
815		pcs = ds_rd(sc, YDSXGR_PLAYCTRLSIZE, 4) << 2;
816		if (pcs == sizeof(struct pbank))
817			break;
818		DELAY(1000);
819	}
820	if (pcs != sizeof(struct pbank)) {
821		device_printf(sc->dev, "preposterous playctrlsize (%d)\n", pcs);
822		return -1;
823	}
824	rcs = ds_rd(sc, YDSXGR_RECCTRLSIZE, 4) << 2;
825	ecs = ds_rd(sc, YDSXGR_EFFCTRLSIZE, 4) << 2;
826	ws = ds_rd(sc, YDSXGR_WORKSIZE, 4) << 2;
827
828	memsz = 64 * 2 * pcs + 2 * 2 * rcs + 5 * 2 * ecs + ws;
829	memsz += (64 + 1) * 4;
830
831	if (sc->regbase == NULL) {
832		if (bus_dma_tag_create(NULL, 2, 0, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
833				       NULL, NULL, memsz, 1, memsz, 0, busdma_lock_mutex,
834				       &Giant, &sc->control_dmat))
835			return -1;
836		if (bus_dmamem_alloc(sc->control_dmat, &buf, BUS_DMA_NOWAIT, &sc->map))
837			return -1;
838		if (bus_dmamap_load(sc->control_dmat, sc->map, buf, memsz, ds_setmap, sc, 0) || !sc->ctrlbase) {
839			device_printf(sc->dev, "pcs=%d, rcs=%d, ecs=%d, ws=%d, memsz=%d\n",
840			      	      pcs, rcs, ecs, ws, memsz);
841			return -1;
842		}
843		sc->regbase = buf;
844	} else
845		buf = sc->regbase;
846
847	cb = 0;
848	t = buf;
849	ds_wr(sc, YDSXGR_WORKBASE, sc->ctrlbase + cb, 4);
850	cb += ws;
851	sc->pbase = (u_int32_t *)(t + cb);
852	/* printf("pbase = %p -> 0x%x\n", sc->pbase, sc->ctrlbase + cb); */
853	ds_wr(sc, YDSXGR_PLAYCTRLBASE, sc->ctrlbase + cb, 4);
854	cb += (64 + 1) * 4;
855	sc->rbank = (struct rbank *)(t + cb);
856	ds_wr(sc, YDSXGR_RECCTRLBASE, sc->ctrlbase + cb, 4);
857	cb += 2 * 2 * rcs;
858	ds_wr(sc, YDSXGR_EFFCTRLBASE, sc->ctrlbase + cb, 4);
859	cb += 5 * 2 * ecs;
860
861	sc->pbankbase = sc->ctrlbase + cb;
862	sc->pbanksize = pcs;
863	for (i = 0; i < 64; i++) {
864		wrl(sc, &sc->pbase[i + 1], 0);
865		sc->pbank[i * 2] = (struct pbank *)(t + cb);
866		/* printf("pbank[%d] = %p -> 0x%x; ", i * 2, (struct pbank *)(t + cb), sc->ctrlbase + cb - vtophys(t + cb)); */
867		cb += pcs;
868		sc->pbank[i * 2 + 1] = (struct pbank *)(t + cb);
869		/* printf("pbank[%d] = %p -> 0x%x\n", i * 2 + 1, (struct pbank *)(t + cb), sc->ctrlbase + cb - vtophys(t + cb)); */
870		cb += pcs;
871	}
872	wrl(sc, &sc->pbase[0], DS1_CHANS * 2);
873
874	sc->pchn = sc->rchn = 0;
875	ds_wr(sc, YDSXGR_NATIVEDACOUTVOL, 0x3fff3fff, 4);
876	ds_wr(sc, YDSXGR_NATIVEADCINVOL, 0x3fff3fff, 4);
877	ds_wr(sc, YDSXGR_NATIVEDACINVOL, 0x3fff3fff, 4);
878
879	return 0;
880}
881
882static int
883ds_uninit(struct sc_info *sc)
884{
885	ds_wr(sc, YDSXGR_NATIVEDACOUTVOL, 0x00000000, 4);
886	ds_wr(sc, YDSXGR_NATIVEADCINVOL, 0, 4);
887	ds_wr(sc, YDSXGR_NATIVEDACINVOL, 0, 4);
888	ds_enadsp(sc, 0);
889	ds_wr(sc, YDSXGR_MODE, 0x00010000, 4);
890	ds_wr(sc, YDSXGR_MAPOFREC, 0x00000000, 4);
891	ds_wr(sc, YDSXGR_MAPOFEFFECT, 0x00000000, 4);
892	ds_wr(sc, YDSXGR_PLAYCTRLBASE, 0x00000000, 4);
893	ds_wr(sc, YDSXGR_RECCTRLBASE, 0x00000000, 4);
894	ds_wr(sc, YDSXGR_EFFCTRLBASE, 0x00000000, 4);
895	ds_wr(sc, YDSXGR_GLOBALCTRL, 0, 2);
896
897	bus_dmamap_unload(sc->control_dmat, sc->map);
898	bus_dmamem_free(sc->control_dmat, sc->regbase, sc->map);
899
900	return 0;
901}
902
903static int
904ds_finddev(u_int32_t dev, u_int32_t subdev)
905{
906	int i;
907
908	for (i = 0; ds_devs[i].dev; i++) {
909		if (ds_devs[i].dev == dev &&
910		    (ds_devs[i].subdev == subdev || ds_devs[i].subdev == 0))
911			return i;
912	}
913	return -1;
914}
915
916static int
917ds_pci_probe(device_t dev)
918{
919	int i;
920	u_int32_t subdev;
921
922	subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
923	i = ds_finddev(pci_get_devid(dev), subdev);
924	if (i >= 0) {
925		device_set_desc(dev, ds_devs[i].name);
926		return 0;
927	} else
928		return ENXIO;
929}
930
931static int
932ds_pci_attach(device_t dev)
933{
934	u_int32_t	data;
935	u_int32_t subdev, i;
936	struct sc_info *sc;
937	struct ac97_info *codec = NULL;
938	char 		status[SND_STATUSLEN];
939
940	if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO)) == NULL) {
941		device_printf(dev, "cannot allocate softc\n");
942		return ENXIO;
943	}
944
945	sc->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc");
946	sc->dev = dev;
947	subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
948	sc->type = ds_finddev(pci_get_devid(dev), subdev);
949	sc->rev = pci_get_revid(dev);
950
951	data = pci_read_config(dev, PCIR_COMMAND, 2);
952	data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
953	pci_write_config(dev, PCIR_COMMAND, data, 2);
954	data = pci_read_config(dev, PCIR_COMMAND, 2);
955
956	sc->regid = PCIR_BAR(0);
957	sc->reg = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->regid,
958					     0, ~0, 1, RF_ACTIVE);
959	if (!sc->reg) {
960		device_printf(dev, "unable to map register space\n");
961		goto bad;
962	}
963
964	sc->st = rman_get_bustag(sc->reg);
965	sc->sh = rman_get_bushandle(sc->reg);
966
967	sc->bufsz = pcm_getbuffersize(dev, 4096, DS1_BUFFSIZE, 65536);
968
969	if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
970		/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
971		/*highaddr*/BUS_SPACE_MAXADDR,
972		/*filter*/NULL, /*filterarg*/NULL,
973		/*maxsize*/sc->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
974		/*flags*/0, /*lockfunc*/busdma_lock_mutex,
975		/*lockarg*/&Giant, &sc->buffer_dmat) != 0) {
976		device_printf(dev, "unable to create dma tag\n");
977		goto bad;
978	}
979
980	sc->regbase = NULL;
981	if (ds_init(sc) == -1) {
982		device_printf(dev, "unable to initialize the card\n");
983		goto bad;
984	}
985
986	codec = AC97_CREATE(dev, sc, ds_ac97);
987	if (codec == NULL)
988		goto bad;
989	mixer_init(dev, ac97_getmixerclass(), codec);
990
991	sc->irqid = 0;
992	sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid,
993				 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
994	if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ds_intr, sc, &sc->ih)) {
995		device_printf(dev, "unable to map interrupt\n");
996		goto bad;
997	}
998
999	snprintf(status, SND_STATUSLEN, "at memory 0x%lx irq %ld %s",
1000		 rman_get_start(sc->reg), rman_get_start(sc->irq),PCM_KLDSTRING(snd_ds1));
1001
1002	if (pcm_register(dev, sc, DS1_CHANS, 2))
1003		goto bad;
1004	for (i = 0; i < DS1_CHANS; i++)
1005		pcm_addchan(dev, PCMDIR_PLAY, &ds1pchan_class, sc);
1006	for (i = 0; i < 2; i++)
1007		pcm_addchan(dev, PCMDIR_REC, &ds1rchan_class, sc);
1008	pcm_setstatus(dev, status);
1009
1010	return 0;
1011
1012bad:
1013	if (codec)
1014		ac97_destroy(codec);
1015	if (sc->reg)
1016		bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
1017	if (sc->ih)
1018		bus_teardown_intr(dev, sc->irq, sc->ih);
1019	if (sc->irq)
1020		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
1021	if (sc->buffer_dmat)
1022		bus_dma_tag_destroy(sc->buffer_dmat);
1023	if (sc->control_dmat)
1024		bus_dma_tag_destroy(sc->control_dmat);
1025	if (sc->lock)
1026		snd_mtxfree(sc->lock);
1027	free(sc, M_DEVBUF);
1028	return ENXIO;
1029}
1030
1031static int
1032ds_pci_resume(device_t dev)
1033{
1034       struct sc_info *sc;
1035
1036       sc = pcm_getdevinfo(dev);
1037
1038       if (ds_init(sc) == -1) {
1039           device_printf(dev, "unable to reinitialize the card\n");
1040           return ENXIO;
1041       }
1042       if (mixer_reinit(dev) == -1) {
1043               device_printf(dev, "unable to reinitialize the mixer\n");
1044               return ENXIO;
1045       }
1046       return 0;
1047}
1048
1049static int
1050ds_pci_detach(device_t dev)
1051{
1052    	int r;
1053	struct sc_info *sc;
1054
1055	r = pcm_unregister(dev);
1056	if (r)
1057    		return r;
1058
1059	sc = pcm_getdevinfo(dev);
1060	ds_uninit(sc);
1061	bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg);
1062	bus_teardown_intr(dev, sc->irq, sc->ih);
1063	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
1064	bus_dma_tag_destroy(sc->buffer_dmat);
1065	bus_dma_tag_destroy(sc->control_dmat);
1066	snd_mtxfree(sc->lock);
1067	free(sc, M_DEVBUF);
1068       	return 0;
1069}
1070
1071static device_method_t ds1_methods[] = {
1072	/* Device interface */
1073	DEVMETHOD(device_probe,		ds_pci_probe),
1074	DEVMETHOD(device_attach,	ds_pci_attach),
1075	DEVMETHOD(device_detach,	ds_pci_detach),
1076	DEVMETHOD(device_resume,        ds_pci_resume),
1077	{ 0, 0 }
1078};
1079
1080static driver_t ds1_driver = {
1081	"pcm",
1082	ds1_methods,
1083	PCM_SOFTC_SIZE,
1084};
1085
1086DRIVER_MODULE(snd_ds1, pci, ds1_driver, pcm_devclass, 0, 0);
1087MODULE_DEPEND(snd_ds1, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
1088MODULE_VERSION(snd_ds1, 1);
1089