xref: /freebsd/sys/dev/sound/pci/t4dwave.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
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 
38 SND_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 
65 struct tr_info;
66 
67 /* channel registers */
68 struct 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 
81 struct 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 */
90 struct 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 
114 static 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 };
125 static struct pcmchan_caps tr_reccaps = {4000, 48000, tr_recfmt, 0};
126 
127 static 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 };
138 static struct pcmchan_caps tr_playcaps = {4000, 48000, tr_playfmt, 0};
139 
140 /* -------------------------------------------------------------------- */
141 
142 /* Hardware */
143 
144 static u_int32_t
145 tr_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 
159 static void
160 tr_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 
178 static int
179 tr_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 
237 static int
238 tr_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 
298 static kobj_method_t tr_ac97_methods[] = {
299     	KOBJMETHOD(ac97_read,		tr_rdcd),
300     	KOBJMETHOD(ac97_write,		tr_wrcd),
301 	KOBJMETHOD_END
302 };
303 AC97_DECLARE(tr_ac97);
304 
305 /* -------------------------------------------------------------------- */
306 /* playback channel interrupts */
307 
308 #if 0
309 static u_int32_t
310 tr_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 
321 static void
322 tr_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 
332 static void
333 tr_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 
355 static void
356 tr_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 
367 static void
368 tr_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 
378 static void
379 tr_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 
389 static void
390 tr_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 
439 static void
440 tr_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 
484 static u_int32_t
485 tr_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 
500 static void *
501 trpchan_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 
518 static int
519 trpchan_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 
528 static u_int32_t
529 trpchan_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 
537 static u_int32_t
538 trpchan_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 
546 static int
547 trpchan_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 
579 static u_int32_t
580 trpchan_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 
588 static struct pcmchan_caps *
589 trpchan_getcaps(kobj_t obj, void *data)
590 {
591 	return &tr_playcaps;
592 }
593 
594 static 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 };
604 CHANNEL_DECLARE(trpchan);
605 
606 /* -------------------------------------------------------------------- */
607 /* rec channel interface */
608 
609 static void *
610 trrchan_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 
626 static int
627 trrchan_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 
644 static u_int32_t
645 trrchan_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 
658 static u_int32_t
659 trrchan_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 
668 static int
669 trrchan_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 
700 static u_int32_t
701 trrchan_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 
710 static struct pcmchan_caps *
711 trrchan_getcaps(kobj_t obj, void *data)
712 {
713 	return &tr_reccaps;
714 }
715 
716 static 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 };
726 CHANNEL_DECLARE(trrchan);
727 
728 /* -------------------------------------------------------------------- */
729 /* The interrupt handler */
730 
731 static void
732 tr_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 
781 static int
782 tr_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 
801 static int
802 tr_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 
822 static int
823 tr_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 
963 bad:
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 
974 static int
975 tr_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 
995 static int
996 tr_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 
1018 static int
1019 tr_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 
1049 static 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 
1059 static driver_t tr_driver = {
1060 	"pcm",
1061 	tr_methods,
1062 	PCM_SOFTC_SIZE,
1063 };
1064 
1065 DRIVER_MODULE(snd_t4dwave, pci, tr_driver, pcm_devclass, 0, 0);
1066 MODULE_DEPEND(snd_t4dwave, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1067 MODULE_VERSION(snd_t4dwave, 1);
1068