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, 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#include <dev/sound/pci/t4dwave.h>
34
35#include <dev/pci/pcireg.h>
36#include <dev/pci/pcivar.h>
37
38SND_DECLARE_FILE("$FreeBSD$");
39
40/* -------------------------------------------------------------------- */
41
42#define TDX_PCI_ID 	0x20001023
43#define TNX_PCI_ID 	0x20011023
44#define ALI_PCI_ID	0x545110b9
45#define SPA_PCI_ID	0x70181039
46
47#define TR_DEFAULT_BUFSZ 	0x1000
48/* For ALi M5451 the DMA transfer size appears to be fixed to 64k. */
49#define ALI_BUFSZ	0x10000
50#define TR_BUFALGN	0x8
51#define TR_TIMEOUT_CDC	0xffff
52#define TR_MAXHWCH	64
53#define ALI_MAXHWCH	32
54#define TR_MAXPLAYCH	4
55#define ALI_MAXPLAYCH	1
56/*
57 * Though, it's not clearly documented in the 4DWAVE datasheet, the
58 * DX and NX chips can't handle DMA addresses located above 1GB as the
59 * LBA (loop begin address) register which holds the DMA base address
60 * is 32-bit, but the two MSBs are used for other purposes.
61 */
62#define TR_MAXADDR	((1U << 30) - 1)
63#define ALI_MAXADDR	((1U << 31) - 1)
64
65struct tr_info;
66
67/* channel registers */
68struct tr_chinfo {
69	u_int32_t cso, alpha, fms, fmc, ec;
70	u_int32_t lba;
71	u_int32_t eso, delta;
72	u_int32_t rvol, cvol;
73	u_int32_t gvsel, pan, vol, ctrl;
74	u_int32_t active:1, was_active:1;
75	int index, bufhalf;
76	struct snd_dbuf *buffer;
77	struct pcm_channel *channel;
78	struct tr_info *parent;
79};
80
81struct tr_rchinfo {
82	u_int32_t delta;
83	u_int32_t active:1, was_active:1;
84	struct snd_dbuf *buffer;
85	struct pcm_channel *channel;
86	struct tr_info *parent;
87};
88
89/* device private data */
90struct tr_info {
91	u_int32_t type;
92	u_int32_t rev;
93
94	bus_space_tag_t st;
95	bus_space_handle_t sh;
96	bus_dma_tag_t parent_dmat;
97
98	struct resource *reg, *irq;
99	int regtype, regid, irqid;
100	void *ih;
101
102	struct mtx *lock;
103
104	u_int32_t hwchns;
105	u_int32_t playchns;
106	unsigned int bufsz;
107
108	struct tr_chinfo chinfo[TR_MAXPLAYCH];
109	struct tr_rchinfo recchinfo;
110};
111
112/* -------------------------------------------------------------------- */
113
114static u_int32_t tr_recfmt[] = {
115	SND_FORMAT(AFMT_U8, 1, 0),
116	SND_FORMAT(AFMT_U8, 2, 0),
117	SND_FORMAT(AFMT_S8, 1, 0),
118	SND_FORMAT(AFMT_S8, 2, 0),
119	SND_FORMAT(AFMT_S16_LE, 1, 0),
120	SND_FORMAT(AFMT_S16_LE, 2, 0),
121	SND_FORMAT(AFMT_U16_LE, 1, 0),
122	SND_FORMAT(AFMT_U16_LE, 2, 0),
123	0
124};
125static struct pcmchan_caps tr_reccaps = {4000, 48000, tr_recfmt, 0};
126
127static u_int32_t tr_playfmt[] = {
128	SND_FORMAT(AFMT_U8, 1, 0),
129	SND_FORMAT(AFMT_U8, 2, 0),
130	SND_FORMAT(AFMT_S8, 1, 0),
131	SND_FORMAT(AFMT_S8, 2, 0),
132	SND_FORMAT(AFMT_S16_LE, 1, 0),
133	SND_FORMAT(AFMT_S16_LE, 2, 0),
134	SND_FORMAT(AFMT_U16_LE, 1, 0),
135	SND_FORMAT(AFMT_U16_LE, 2, 0),
136	0
137};
138static struct pcmchan_caps tr_playcaps = {4000, 48000, tr_playfmt, 0};
139
140/* -------------------------------------------------------------------- */
141
142/* Hardware */
143
144static u_int32_t
145tr_rd(struct tr_info *tr, int regno, int size)
146{
147	switch(size) {
148	case 1:
149		return bus_space_read_1(tr->st, tr->sh, regno);
150	case 2:
151		return bus_space_read_2(tr->st, tr->sh, regno);
152	case 4:
153		return bus_space_read_4(tr->st, tr->sh, regno);
154	default:
155		return 0xffffffff;
156	}
157}
158
159static void
160tr_wr(struct tr_info *tr, int regno, u_int32_t data, int size)
161{
162	switch(size) {
163	case 1:
164		bus_space_write_1(tr->st, tr->sh, regno, data);
165		break;
166	case 2:
167		bus_space_write_2(tr->st, tr->sh, regno, data);
168		break;
169	case 4:
170		bus_space_write_4(tr->st, tr->sh, regno, data);
171		break;
172	}
173}
174
175/* -------------------------------------------------------------------- */
176/* ac97 codec */
177
178static int
179tr_rdcd(kobj_t obj, void *devinfo, int regno)
180{
181	struct tr_info *tr = (struct tr_info *)devinfo;
182	int i, j, treg, trw;
183
184	switch (tr->type) {
185	case SPA_PCI_ID:
186		treg=SPA_REG_CODECRD;
187		trw=SPA_CDC_RWSTAT;
188		break;
189	case ALI_PCI_ID:
190		if (tr->rev > 0x01)
191		  treg=TDX_REG_CODECWR;
192		else
193		  treg=TDX_REG_CODECRD;
194		trw=TDX_CDC_RWSTAT;
195		break;
196	case TDX_PCI_ID:
197		treg=TDX_REG_CODECRD;
198		trw=TDX_CDC_RWSTAT;
199		break;
200	case TNX_PCI_ID:
201		treg=(regno & 0x100)? TNX_REG_CODEC2RD : TNX_REG_CODEC1RD;
202		trw=TNX_CDC_RWSTAT;
203		break;
204	default:
205		printf("!!! tr_rdcd defaulted !!!\n");
206		return -1;
207	}
208
209	i = j = 0;
210
211	regno &= 0x7f;
212	snd_mtxlock(tr->lock);
213	if (tr->type == ALI_PCI_ID) {
214		u_int32_t chk1, chk2;
215		j = trw;
216		for (i = TR_TIMEOUT_CDC; (i > 0) && (j & trw); i--)
217			j = tr_rd(tr, treg, 4);
218		if (i > 0) {
219			chk1 = tr_rd(tr, 0xc8, 4);
220			chk2 = tr_rd(tr, 0xc8, 4);
221			for (i = TR_TIMEOUT_CDC; (i > 0) && (chk1 == chk2);
222					i--)
223				chk2 = tr_rd(tr, 0xc8, 4);
224		}
225	}
226	if (tr->type != ALI_PCI_ID || i > 0) {
227		tr_wr(tr, treg, regno | trw, 4);
228		j=trw;
229		for (i=TR_TIMEOUT_CDC; (i > 0) && (j & trw); i--)
230		       	j=tr_rd(tr, treg, 4);
231	}
232	snd_mtxunlock(tr->lock);
233	if (i == 0) printf("codec timeout during read of register %x\n", regno);
234	return (j >> TR_CDC_DATA) & 0xffff;
235}
236
237static int
238tr_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
239{
240	struct tr_info *tr = (struct tr_info *)devinfo;
241	int i, j, treg, trw;
242
243	switch (tr->type) {
244	case SPA_PCI_ID:
245		treg=SPA_REG_CODECWR;
246		trw=SPA_CDC_RWSTAT;
247		break;
248	case ALI_PCI_ID:
249	case TDX_PCI_ID:
250		treg=TDX_REG_CODECWR;
251		trw=TDX_CDC_RWSTAT;
252		break;
253	case TNX_PCI_ID:
254		treg=TNX_REG_CODECWR;
255		trw=TNX_CDC_RWSTAT | ((regno & 0x100)? TNX_CDC_SEC : 0);
256		break;
257	default:
258		printf("!!! tr_wrcd defaulted !!!");
259		return -1;
260	}
261
262	i = 0;
263
264	regno &= 0x7f;
265#if 0
266	printf("tr_wrcd: reg %x was %x", regno, tr_rdcd(devinfo, regno));
267#endif
268	j=trw;
269	snd_mtxlock(tr->lock);
270	if (tr->type == ALI_PCI_ID) {
271		j = trw;
272		for (i = TR_TIMEOUT_CDC; (i > 0) && (j & trw); i--)
273			j = tr_rd(tr, treg, 4);
274		if (i > 0) {
275			u_int32_t chk1, chk2;
276			chk1 = tr_rd(tr, 0xc8, 4);
277			chk2 = tr_rd(tr, 0xc8, 4);
278			for (i = TR_TIMEOUT_CDC; (i > 0) && (chk1 == chk2);
279					i--)
280				chk2 = tr_rd(tr, 0xc8, 4);
281		}
282	}
283	if (tr->type != ALI_PCI_ID || i > 0) {
284		for (i=TR_TIMEOUT_CDC; (i>0) && (j & trw); i--)
285			j=tr_rd(tr, treg, 4);
286		if (tr->type == ALI_PCI_ID && tr->rev > 0x01)
287		      	trw |= 0x0100;
288		tr_wr(tr, treg, (data << TR_CDC_DATA) | regno | trw, 4);
289	}
290#if 0
291	printf(" - wrote %x, now %x\n", data, tr_rdcd(devinfo, regno));
292#endif
293	snd_mtxunlock(tr->lock);
294	if (i==0) printf("codec timeout writing %x, data %x\n", regno, data);
295	return (i > 0)? 0 : -1;
296}
297
298static kobj_method_t tr_ac97_methods[] = {
299    	KOBJMETHOD(ac97_read,		tr_rdcd),
300    	KOBJMETHOD(ac97_write,		tr_wrcd),
301	KOBJMETHOD_END
302};
303AC97_DECLARE(tr_ac97);
304
305/* -------------------------------------------------------------------- */
306/* playback channel interrupts */
307
308#if 0
309static u_int32_t
310tr_testint(struct tr_chinfo *ch)
311{
312	struct tr_info *tr = ch->parent;
313	int bank, chan;
314
315	bank = (ch->index & 0x20) ? 1 : 0;
316	chan = ch->index & 0x1f;
317	return tr_rd(tr, bank? TR_REG_ADDRINTB : TR_REG_ADDRINTA, 4) & (1 << chan);
318}
319#endif
320
321static void
322tr_clrint(struct tr_chinfo *ch)
323{
324	struct tr_info *tr = ch->parent;
325	int bank, chan;
326
327	bank = (ch->index & 0x20) ? 1 : 0;
328	chan = ch->index & 0x1f;
329	tr_wr(tr, bank? TR_REG_ADDRINTB : TR_REG_ADDRINTA, 1 << chan, 4);
330}
331
332static void
333tr_enaint(struct tr_chinfo *ch, int enable)
334{
335	struct tr_info *tr = ch->parent;
336       	u_int32_t i, reg;
337	int bank, chan;
338
339	snd_mtxlock(tr->lock);
340	bank = (ch->index & 0x20) ? 1 : 0;
341	chan = ch->index & 0x1f;
342	reg = bank? TR_REG_INTENB : TR_REG_INTENA;
343
344	i = tr_rd(tr, reg, 4);
345	i &= ~(1 << chan);
346	i |= (enable? 1 : 0) << chan;
347
348	tr_clrint(ch);
349	tr_wr(tr, reg, i, 4);
350	snd_mtxunlock(tr->lock);
351}
352
353/* playback channels */
354
355static void
356tr_selch(struct tr_chinfo *ch)
357{
358	struct tr_info *tr = ch->parent;
359	int i;
360
361	i = tr_rd(tr, TR_REG_CIR, 4);
362	i &= ~TR_CIR_MASK;
363	i |= ch->index & 0x3f;
364	tr_wr(tr, TR_REG_CIR, i, 4);
365}
366
367static void
368tr_startch(struct tr_chinfo *ch)
369{
370	struct tr_info *tr = ch->parent;
371	int bank, chan;
372
373	bank = (ch->index & 0x20) ? 1 : 0;
374	chan = ch->index & 0x1f;
375	tr_wr(tr, bank? TR_REG_STARTB : TR_REG_STARTA, 1 << chan, 4);
376}
377
378static void
379tr_stopch(struct tr_chinfo *ch)
380{
381	struct tr_info *tr = ch->parent;
382	int bank, chan;
383
384	bank = (ch->index & 0x20) ? 1 : 0;
385	chan = ch->index & 0x1f;
386	tr_wr(tr, bank? TR_REG_STOPB : TR_REG_STOPA, 1 << chan, 4);
387}
388
389static void
390tr_wrch(struct tr_chinfo *ch)
391{
392	struct tr_info *tr = ch->parent;
393	u_int32_t cr[TR_CHN_REGS], i;
394
395	ch->gvsel 	&= 0x00000001;
396	ch->fmc		&= 0x00000003;
397	ch->fms		&= 0x0000000f;
398	ch->ctrl	&= 0x0000000f;
399	ch->pan 	&= 0x0000007f;
400	ch->rvol	&= 0x0000007f;
401	ch->cvol 	&= 0x0000007f;
402	ch->vol		&= 0x000000ff;
403	ch->ec		&= 0x00000fff;
404	ch->alpha	&= 0x00000fff;
405	ch->delta	&= 0x0000ffff;
406	if (tr->type == ALI_PCI_ID)
407		ch->lba &= ALI_MAXADDR;
408	else
409		ch->lba &= TR_MAXADDR;
410
411	cr[1]=ch->lba;
412	cr[3]=(ch->fmc<<14) | (ch->rvol<<7) | (ch->cvol);
413	cr[4]=(ch->gvsel<<31) | (ch->pan<<24) | (ch->vol<<16) | (ch->ctrl<<12) | (ch->ec);
414
415	switch (tr->type) {
416	case SPA_PCI_ID:
417	case ALI_PCI_ID:
418	case TDX_PCI_ID:
419		ch->cso &= 0x0000ffff;
420		ch->eso &= 0x0000ffff;
421		cr[0]=(ch->cso<<16) | (ch->alpha<<4) | (ch->fms);
422		cr[2]=(ch->eso<<16) | (ch->delta);
423		break;
424	case TNX_PCI_ID:
425		ch->cso &= 0x00ffffff;
426		ch->eso &= 0x00ffffff;
427		cr[0]=((ch->delta & 0xff)<<24) | (ch->cso);
428		cr[2]=((ch->delta>>8)<<24) | (ch->eso);
429		cr[3]|=(ch->alpha<<20) | (ch->fms<<16) | (ch->fmc<<14);
430		break;
431	}
432	snd_mtxlock(tr->lock);
433	tr_selch(ch);
434	for (i=0; i<TR_CHN_REGS; i++)
435		tr_wr(tr, TR_REG_CHNBASE+(i<<2), cr[i], 4);
436	snd_mtxunlock(tr->lock);
437}
438
439static void
440tr_rdch(struct tr_chinfo *ch)
441{
442	struct tr_info *tr = ch->parent;
443	u_int32_t cr[5], i;
444
445	snd_mtxlock(tr->lock);
446	tr_selch(ch);
447	for (i=0; i<5; i++)
448		cr[i]=tr_rd(tr, TR_REG_CHNBASE+(i<<2), 4);
449	snd_mtxunlock(tr->lock);
450
451
452	if (tr->type == ALI_PCI_ID)
453		ch->lba=(cr[1] & ALI_MAXADDR);
454	else
455		ch->lba=(cr[1] & TR_MAXADDR);
456	ch->fmc=	(cr[3] & 0x0000c000) >> 14;
457	ch->rvol=	(cr[3] & 0x00003f80) >> 7;
458	ch->cvol=	(cr[3] & 0x0000007f);
459	ch->gvsel=	(cr[4] & 0x80000000) >> 31;
460	ch->pan=	(cr[4] & 0x7f000000) >> 24;
461	ch->vol=	(cr[4] & 0x00ff0000) >> 16;
462	ch->ctrl=	(cr[4] & 0x0000f000) >> 12;
463	ch->ec=		(cr[4] & 0x00000fff);
464	switch(tr->type) {
465	case SPA_PCI_ID:
466	case ALI_PCI_ID:
467	case TDX_PCI_ID:
468		ch->cso=	(cr[0] & 0xffff0000) >> 16;
469		ch->alpha=	(cr[0] & 0x0000fff0) >> 4;
470		ch->fms=	(cr[0] & 0x0000000f);
471		ch->eso=	(cr[2] & 0xffff0000) >> 16;
472		ch->delta=	(cr[2] & 0x0000ffff);
473		break;
474	case TNX_PCI_ID:
475		ch->cso=	(cr[0] & 0x00ffffff);
476		ch->eso=	(cr[2] & 0x00ffffff);
477		ch->delta=	((cr[2] & 0xff000000) >> 16) | ((cr[0] & 0xff000000) >> 24);
478		ch->alpha=	(cr[3] & 0xfff00000) >> 20;
479		ch->fms=	(cr[3] & 0x000f0000) >> 16;
480		break;
481	}
482}
483
484static u_int32_t
485tr_fmttobits(u_int32_t fmt)
486{
487	u_int32_t bits;
488
489	bits = 0;
490	bits |= (fmt & AFMT_SIGNED)? 0x2 : 0;
491	bits |= (AFMT_CHANNEL(fmt) > 1)? 0x4 : 0;
492	bits |= (fmt & AFMT_16BIT)? 0x8 : 0;
493
494	return bits;
495}
496
497/* -------------------------------------------------------------------- */
498/* channel interface */
499
500static void *
501trpchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
502{
503	struct tr_info *tr = devinfo;
504	struct tr_chinfo *ch;
505
506	KASSERT(dir == PCMDIR_PLAY, ("trpchan_init: bad direction"));
507	ch = &tr->chinfo[tr->playchns];
508	ch->index = tr->playchns++;
509	ch->buffer = b;
510	ch->parent = tr;
511	ch->channel = c;
512	if (sndbuf_alloc(ch->buffer, tr->parent_dmat, 0, tr->bufsz) != 0)
513		return NULL;
514
515	return ch;
516}
517
518static int
519trpchan_setformat(kobj_t obj, void *data, u_int32_t format)
520{
521	struct tr_chinfo *ch = data;
522
523	ch->ctrl = tr_fmttobits(format) | 0x01;
524
525	return 0;
526}
527
528static u_int32_t
529trpchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
530{
531	struct tr_chinfo *ch = data;
532
533	ch->delta = (speed << 12) / 48000;
534	return (ch->delta * 48000) >> 12;
535}
536
537static u_int32_t
538trpchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
539{
540	struct tr_chinfo *ch = data;
541
542	sndbuf_resize(ch->buffer, 2, blocksize);
543	return blocksize;
544}
545
546static int
547trpchan_trigger(kobj_t obj, void *data, int go)
548{
549	struct tr_chinfo *ch = data;
550
551	if (!PCMTRIG_COMMON(go))
552		return 0;
553
554	if (go == PCMTRIG_START) {
555		ch->fmc = 3;
556		ch->fms = 0;
557		ch->ec = 0;
558		ch->alpha = 0;
559		ch->lba = sndbuf_getbufaddr(ch->buffer);
560		ch->cso = 0;
561		ch->eso = (sndbuf_getsize(ch->buffer) / sndbuf_getalign(ch->buffer)) - 1;
562		ch->rvol = ch->cvol = 0x7f;
563		ch->gvsel = 0;
564		ch->pan = 0;
565		ch->vol = 0;
566		ch->bufhalf = 0;
567   		tr_wrch(ch);
568		tr_enaint(ch, 1);
569		tr_startch(ch);
570		ch->active = 1;
571	} else {
572		tr_stopch(ch);
573		ch->active = 0;
574	}
575
576	return 0;
577}
578
579static u_int32_t
580trpchan_getptr(kobj_t obj, void *data)
581{
582	struct tr_chinfo *ch = data;
583
584	tr_rdch(ch);
585	return ch->cso * sndbuf_getalign(ch->buffer);
586}
587
588static struct pcmchan_caps *
589trpchan_getcaps(kobj_t obj, void *data)
590{
591	return &tr_playcaps;
592}
593
594static kobj_method_t trpchan_methods[] = {
595    	KOBJMETHOD(channel_init,		trpchan_init),
596    	KOBJMETHOD(channel_setformat,		trpchan_setformat),
597    	KOBJMETHOD(channel_setspeed,		trpchan_setspeed),
598    	KOBJMETHOD(channel_setblocksize,	trpchan_setblocksize),
599    	KOBJMETHOD(channel_trigger,		trpchan_trigger),
600    	KOBJMETHOD(channel_getptr,		trpchan_getptr),
601    	KOBJMETHOD(channel_getcaps,		trpchan_getcaps),
602	KOBJMETHOD_END
603};
604CHANNEL_DECLARE(trpchan);
605
606/* -------------------------------------------------------------------- */
607/* rec channel interface */
608
609static void *
610trrchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
611{
612	struct tr_info *tr = devinfo;
613	struct tr_rchinfo *ch;
614
615	KASSERT(dir == PCMDIR_REC, ("trrchan_init: bad direction"));
616	ch = &tr->recchinfo;
617	ch->buffer = b;
618	ch->parent = tr;
619	ch->channel = c;
620	if (sndbuf_alloc(ch->buffer, tr->parent_dmat, 0, tr->bufsz) != 0)
621		return NULL;
622
623	return ch;
624}
625
626static int
627trrchan_setformat(kobj_t obj, void *data, u_int32_t format)
628{
629	struct tr_rchinfo *ch = data;
630	struct tr_info *tr = ch->parent;
631	u_int32_t i, bits;
632
633	bits = tr_fmttobits(format);
634	/* set # of samples between interrupts */
635	i = (sndbuf_runsz(ch->buffer) >> ((bits & 0x08)? 1 : 0)) - 1;
636	tr_wr(tr, TR_REG_SBBL, i | (i << 16), 4);
637	/* set sample format */
638	i = 0x18 | (bits << 4);
639	tr_wr(tr, TR_REG_SBCTRL, i, 1);
640
641	return 0;
642}
643
644static u_int32_t
645trrchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
646{
647	struct tr_rchinfo *ch = data;
648	struct tr_info *tr = ch->parent;
649
650	/* setup speed */
651	ch->delta = (48000 << 12) / speed;
652	tr_wr(tr, TR_REG_SBDELTA, ch->delta, 2);
653
654	/* return closest possible speed */
655	return (48000 << 12) / ch->delta;
656}
657
658static u_int32_t
659trrchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
660{
661	struct tr_rchinfo *ch = data;
662
663	sndbuf_resize(ch->buffer, 2, blocksize);
664
665	return blocksize;
666}
667
668static int
669trrchan_trigger(kobj_t obj, void *data, int go)
670{
671	struct tr_rchinfo *ch = data;
672	struct tr_info *tr = ch->parent;
673	u_int32_t i;
674
675	if (!PCMTRIG_COMMON(go))
676		return 0;
677
678	if (go == PCMTRIG_START) {
679		/* set up dma mode regs */
680		tr_wr(tr, TR_REG_DMAR15, 0, 1);
681		i = tr_rd(tr, TR_REG_DMAR11, 1) & 0x03;
682		tr_wr(tr, TR_REG_DMAR11, i | 0x54, 1);
683		/* set up base address */
684	   	tr_wr(tr, TR_REG_DMAR0, sndbuf_getbufaddr(ch->buffer), 4);
685		/* set up buffer size */
686		i = tr_rd(tr, TR_REG_DMAR4, 4) & ~0x00ffffff;
687		tr_wr(tr, TR_REG_DMAR4, i | (sndbuf_runsz(ch->buffer) - 1), 4);
688		/* start */
689		tr_wr(tr, TR_REG_SBCTRL, tr_rd(tr, TR_REG_SBCTRL, 1) | 1, 1);
690		ch->active = 1;
691	} else {
692		tr_wr(tr, TR_REG_SBCTRL, tr_rd(tr, TR_REG_SBCTRL, 1) & ~7, 1);
693		ch->active = 0;
694	}
695
696	/* return 0 if ok */
697	return 0;
698}
699
700static u_int32_t
701trrchan_getptr(kobj_t obj, void *data)
702{
703 	struct tr_rchinfo *ch = data;
704	struct tr_info *tr = ch->parent;
705
706	/* return current byte offset of channel */
707	return tr_rd(tr, TR_REG_DMAR0, 4) - sndbuf_getbufaddr(ch->buffer);
708}
709
710static struct pcmchan_caps *
711trrchan_getcaps(kobj_t obj, void *data)
712{
713	return &tr_reccaps;
714}
715
716static kobj_method_t trrchan_methods[] = {
717    	KOBJMETHOD(channel_init,		trrchan_init),
718    	KOBJMETHOD(channel_setformat,		trrchan_setformat),
719    	KOBJMETHOD(channel_setspeed,		trrchan_setspeed),
720    	KOBJMETHOD(channel_setblocksize,	trrchan_setblocksize),
721    	KOBJMETHOD(channel_trigger,		trrchan_trigger),
722    	KOBJMETHOD(channel_getptr,		trrchan_getptr),
723    	KOBJMETHOD(channel_getcaps,		trrchan_getcaps),
724	KOBJMETHOD_END
725};
726CHANNEL_DECLARE(trrchan);
727
728/* -------------------------------------------------------------------- */
729/* The interrupt handler */
730
731static void
732tr_intr(void *p)
733{
734	struct tr_info *tr = (struct tr_info *)p;
735	struct tr_chinfo *ch;
736	u_int32_t active, mask, bufhalf, chnum, intsrc;
737	int tmp;
738
739	intsrc = tr_rd(tr, TR_REG_MISCINT, 4);
740	if (intsrc & TR_INT_ADDR) {
741		chnum = 0;
742		while (chnum < tr->hwchns) {
743			mask = 0x00000001;
744			active = tr_rd(tr, (chnum < 32)? TR_REG_ADDRINTA : TR_REG_ADDRINTB, 4);
745			bufhalf = tr_rd(tr, (chnum < 32)? TR_REG_CSPF_A : TR_REG_CSPF_B, 4);
746			if (active) {
747				do {
748					if (active & mask) {
749						tmp = (bufhalf & mask)? 1 : 0;
750						if (chnum < tr->playchns) {
751							ch = &tr->chinfo[chnum];
752							/* printf("%d @ %d, ", chnum, trpchan_getptr(NULL, ch)); */
753							if (ch->bufhalf != tmp) {
754								chn_intr(ch->channel);
755								ch->bufhalf = tmp;
756							}
757						}
758					}
759					chnum++;
760					mask <<= 1;
761				} while (chnum & 31);
762			} else
763				chnum += 32;
764
765			tr_wr(tr, (chnum <= 32)? TR_REG_ADDRINTA : TR_REG_ADDRINTB, active, 4);
766		}
767	}
768	if (intsrc & TR_INT_SB) {
769		chn_intr(tr->recchinfo.channel);
770		tr_rd(tr, TR_REG_SBR9, 1);
771		tr_rd(tr, TR_REG_SBR10, 1);
772	}
773}
774
775/* -------------------------------------------------------------------- */
776
777/*
778 * Probe and attach the card
779 */
780
781static int
782tr_init(struct tr_info *tr)
783{
784	switch (tr->type) {
785	case SPA_PCI_ID:
786		tr_wr(tr, SPA_REG_GPIO, 0, 4);
787		tr_wr(tr, SPA_REG_CODECST, SPA_RST_OFF, 4);
788		break;
789	case TDX_PCI_ID:
790		tr_wr(tr, TDX_REG_CODECST, TDX_CDC_ON, 4);
791		break;
792	case TNX_PCI_ID:
793		tr_wr(tr, TNX_REG_CODECST, TNX_CDC_ON, 4);
794		break;
795	}
796
797	tr_wr(tr, TR_REG_CIR, TR_CIR_MIDENA | TR_CIR_ADDRENA, 4);
798	return 0;
799}
800
801static int
802tr_pci_probe(device_t dev)
803{
804	switch (pci_get_devid(dev)) {
805		case SPA_PCI_ID:
806			device_set_desc(dev, "SiS 7018");
807			return BUS_PROBE_DEFAULT;
808		case ALI_PCI_ID:
809			device_set_desc(dev, "Acer Labs M5451");
810			return BUS_PROBE_DEFAULT;
811		case TDX_PCI_ID:
812			device_set_desc(dev, "Trident 4DWave DX");
813			return BUS_PROBE_DEFAULT;
814		case TNX_PCI_ID:
815			device_set_desc(dev, "Trident 4DWave NX");
816			return BUS_PROBE_DEFAULT;
817	}
818
819	return ENXIO;
820}
821
822static int
823tr_pci_attach(device_t dev)
824{
825	struct tr_info *tr;
826	struct ac97_info *codec = 0;
827	bus_addr_t	lowaddr;
828	int		i, dacn;
829	char 		status[SND_STATUSLEN];
830#ifdef __sparc64__
831	device_t	*children;
832	int		nchildren;
833	u_int32_t	data;
834#endif
835
836	tr = malloc(sizeof(*tr), M_DEVBUF, M_WAITOK | M_ZERO);
837	tr->type = pci_get_devid(dev);
838	tr->rev = pci_get_revid(dev);
839	tr->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_t4dwave softc");
840
841	if (resource_int_value(device_get_name(dev), device_get_unit(dev),
842	    "dac", &i) == 0) {
843	    	if (i < 1)
844			dacn = 1;
845		else if (i > TR_MAXPLAYCH)
846			dacn = TR_MAXPLAYCH;
847		else
848			dacn = i;
849	} else {
850		switch (tr->type) {
851		case ALI_PCI_ID:
852			dacn = ALI_MAXPLAYCH;
853			break;
854		default:
855			dacn = TR_MAXPLAYCH;
856			break;
857		}
858	}
859
860	pci_enable_busmaster(dev);
861
862	tr->regid = PCIR_BAR(0);
863	tr->regtype = SYS_RES_IOPORT;
864	tr->reg = bus_alloc_resource_any(dev, tr->regtype, &tr->regid,
865		RF_ACTIVE);
866	if (tr->reg) {
867		tr->st = rman_get_bustag(tr->reg);
868		tr->sh = rman_get_bushandle(tr->reg);
869	} else {
870		device_printf(dev, "unable to map register space\n");
871		goto bad;
872	}
873
874	if (tr_init(tr) == -1) {
875		device_printf(dev, "unable to initialize the card\n");
876		goto bad;
877	}
878	tr->playchns = 0;
879
880	codec = AC97_CREATE(dev, tr, tr_ac97);
881	if (codec == NULL) goto bad;
882	if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad;
883
884	tr->irqid = 0;
885	tr->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &tr->irqid,
886				 RF_ACTIVE | RF_SHAREABLE);
887	if (!tr->irq || snd_setup_intr(dev, tr->irq, 0, tr_intr, tr, &tr->ih)) {
888		device_printf(dev, "unable to map interrupt\n");
889		goto bad;
890	}
891
892	if (tr->type == ALI_PCI_ID) {
893		/*
894		 * The M5451 generates 31 bit of DMA and in order to do
895		 * 32-bit DMA, the 31st bit can be set via its accompanying
896		 * ISA bridge.  Note that we can't predict whether bus_dma(9)
897		 * will actually supply us with a 32-bit buffer and even when
898		 * using a low address of BUS_SPACE_MAXADDR_32BIT for both
899		 * we might end up with the play buffer being in the 32-bit
900		 * range while the record buffer isn't or vice versa. So we
901		 * limit enabling the 31st bit to sparc64, where the IOMMU
902		 * guarantees that we're using a 32-bit address (and in turn
903		 * requires it).
904		 */
905		lowaddr = ALI_MAXADDR;
906#ifdef __sparc64__
907		if (device_get_children(device_get_parent(dev), &children,
908		    &nchildren) == 0) {
909			for (i = 0; i < nchildren; i++) {
910				if (pci_get_devid(children[i]) == 0x153310b9) {
911					lowaddr = BUS_SPACE_MAXADDR_32BIT;
912					data = pci_read_config(children[i],
913					    0x7e, 1);
914					if (bootverbose)
915						device_printf(dev,
916						    "M1533 0x7e: 0x%x -> ",
917						    data);
918					data |= 0x1;
919					if (bootverbose)
920						printf("0x%x\n", data);
921					pci_write_config(children[i], 0x7e,
922					    data, 1);
923					break;
924				}
925			}
926		}
927		free(children, M_TEMP);
928#endif
929		tr->hwchns = ALI_MAXHWCH;
930		tr->bufsz = ALI_BUFSZ;
931	} else {
932		lowaddr = TR_MAXADDR;
933		tr->hwchns = TR_MAXHWCH;
934		tr->bufsz = pcm_getbuffersize(dev, 4096, TR_DEFAULT_BUFSZ,
935		    65536);
936	}
937
938	if (bus_dma_tag_create(/*parent*/bus_get_dma_tag(dev),
939		/*alignment*/TR_BUFALGN,
940		/*boundary*/0,
941		/*lowaddr*/lowaddr,
942		/*highaddr*/BUS_SPACE_MAXADDR,
943		/*filter*/NULL, /*filterarg*/NULL,
944		/*maxsize*/tr->bufsz, /*nsegments*/1, /*maxsegz*/tr->bufsz,
945		/*flags*/0, /*lockfunc*/busdma_lock_mutex,
946		/*lockarg*/&Giant, &tr->parent_dmat) != 0) {
947		device_printf(dev, "unable to create dma tag\n");
948		goto bad;
949	}
950
951	snprintf(status, 64, "at io 0x%lx irq %ld %s",
952		 rman_get_start(tr->reg), rman_get_start(tr->irq),PCM_KLDSTRING(snd_t4dwave));
953
954	if (pcm_register(dev, tr, dacn, 1))
955		goto bad;
956	pcm_addchan(dev, PCMDIR_REC, &trrchan_class, tr);
957	for (i = 0; i < dacn; i++)
958		pcm_addchan(dev, PCMDIR_PLAY, &trpchan_class, tr);
959	pcm_setstatus(dev, status);
960
961	return 0;
962
963bad:
964	if (codec) ac97_destroy(codec);
965	if (tr->reg) bus_release_resource(dev, tr->regtype, tr->regid, tr->reg);
966	if (tr->ih) bus_teardown_intr(dev, tr->irq, tr->ih);
967	if (tr->irq) bus_release_resource(dev, SYS_RES_IRQ, tr->irqid, tr->irq);
968	if (tr->parent_dmat) bus_dma_tag_destroy(tr->parent_dmat);
969	if (tr->lock) snd_mtxfree(tr->lock);
970	free(tr, M_DEVBUF);
971	return ENXIO;
972}
973
974static int
975tr_pci_detach(device_t dev)
976{
977	int r;
978	struct tr_info *tr;
979
980	r = pcm_unregister(dev);
981	if (r)
982		return r;
983
984	tr = pcm_getdevinfo(dev);
985	bus_release_resource(dev, tr->regtype, tr->regid, tr->reg);
986	bus_teardown_intr(dev, tr->irq, tr->ih);
987	bus_release_resource(dev, SYS_RES_IRQ, tr->irqid, tr->irq);
988	bus_dma_tag_destroy(tr->parent_dmat);
989	snd_mtxfree(tr->lock);
990	free(tr, M_DEVBUF);
991
992	return 0;
993}
994
995static int
996tr_pci_suspend(device_t dev)
997{
998	int i;
999	struct tr_info *tr;
1000
1001	tr = pcm_getdevinfo(dev);
1002
1003	for (i = 0; i < tr->playchns; i++) {
1004		tr->chinfo[i].was_active = tr->chinfo[i].active;
1005		if (tr->chinfo[i].active) {
1006			trpchan_trigger(NULL, &tr->chinfo[i], PCMTRIG_STOP);
1007		}
1008	}
1009
1010	tr->recchinfo.was_active = tr->recchinfo.active;
1011	if (tr->recchinfo.active) {
1012		trrchan_trigger(NULL, &tr->recchinfo, PCMTRIG_STOP);
1013	}
1014
1015	return 0;
1016}
1017
1018static int
1019tr_pci_resume(device_t dev)
1020{
1021	int i;
1022	struct tr_info *tr;
1023
1024	tr = pcm_getdevinfo(dev);
1025
1026	if (tr_init(tr) == -1) {
1027		device_printf(dev, "unable to initialize the card\n");
1028		return ENXIO;
1029	}
1030
1031	if (mixer_reinit(dev) == -1) {
1032		device_printf(dev, "unable to initialize the mixer\n");
1033		return ENXIO;
1034	}
1035
1036	for (i = 0; i < tr->playchns; i++) {
1037		if (tr->chinfo[i].was_active) {
1038			trpchan_trigger(NULL, &tr->chinfo[i], PCMTRIG_START);
1039		}
1040	}
1041
1042	if (tr->recchinfo.was_active) {
1043		trrchan_trigger(NULL, &tr->recchinfo, PCMTRIG_START);
1044	}
1045
1046	return 0;
1047}
1048
1049static device_method_t tr_methods[] = {
1050	/* Device interface */
1051	DEVMETHOD(device_probe,		tr_pci_probe),
1052	DEVMETHOD(device_attach,	tr_pci_attach),
1053	DEVMETHOD(device_detach,	tr_pci_detach),
1054	DEVMETHOD(device_suspend,	tr_pci_suspend),
1055	DEVMETHOD(device_resume,	tr_pci_resume),
1056	{ 0, 0 }
1057};
1058
1059static driver_t tr_driver = {
1060	"pcm",
1061	tr_methods,
1062	PCM_SOFTC_SIZE,
1063};
1064
1065DRIVER_MODULE(snd_t4dwave, pci, tr_driver, pcm_devclass, 0, 0);
1066MODULE_DEPEND(snd_t4dwave, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1067MODULE_VERSION(snd_t4dwave, 1);
1068