emu10kx-pcm.c revision 272461
1/*-
2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3 * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: releng/10.1/sys/dev/sound/pci/emu10kx-pcm.c 246128 2013-01-30 18:01:20Z sbz $
28 */
29
30#include <sys/param.h>
31#include <sys/types.h>
32#include <sys/bus.h>
33#include <machine/bus.h>
34#include <sys/rman.h>
35#include <sys/systm.h>
36#include <sys/sbuf.h>
37#include <sys/queue.h>
38#include <sys/systm.h>
39#include <sys/lock.h>
40#include <sys/mutex.h>
41
42#ifdef HAVE_KERNEL_OPTION_HEADERS
43#include "opt_snd.h"
44#endif
45
46#include <dev/sound/chip.h>
47#include <dev/sound/pcm/sound.h>
48#include <dev/sound/pcm/ac97.h>
49
50#include "mixer_if.h"
51
52#include <dev/sound/pci/emuxkireg.h>
53#include <dev/sound/pci/emu10kx.h>
54
55struct emu_pcm_pchinfo {
56	int		spd;
57	int		fmt;
58	unsigned int	blksz;
59	int		run;
60	struct emu_voice *master;
61	struct emu_voice *slave;
62	struct snd_dbuf	*buffer;
63	struct pcm_channel *channel;
64	struct emu_pcm_info *pcm;
65	int		timer;
66};
67
68struct emu_pcm_rchinfo {
69	int		spd;
70	int		fmt;
71	unsigned int	blksz;
72	int		run;
73	uint32_t 	idxreg;
74	uint32_t	basereg;
75	uint32_t	sizereg;
76	uint32_t	setupreg;
77	uint32_t	irqmask;
78	uint32_t	iprmask;
79	int 		ihandle;
80	struct snd_dbuf	*buffer;
81	struct pcm_channel *channel;
82	struct emu_pcm_info *pcm;
83	int		timer;
84};
85
86/* XXX Hardware playback channels */
87#define	MAX_CHANNELS	4
88
89#if MAX_CHANNELS > 13
90#error	Too many hardware channels defined. 13 is the maximum
91#endif
92
93struct emu_pcm_info {
94	struct mtx		*lock;
95	device_t		dev;		/* device information */
96	struct emu_sc_info 	*card;
97	struct emu_pcm_pchinfo	pch[MAX_CHANNELS];	/* hardware channels */
98	int			pnum;		/* next free channel number */
99	struct emu_pcm_rchinfo	rch_adc;
100	struct emu_pcm_rchinfo	rch_efx;
101	struct emu_route	rt;
102	struct emu_route	rt_mono;
103	int			route;
104	int			ihandle;	/* interrupt handler */
105	unsigned int		bufsz;
106	int			is_emu10k1;
107	struct ac97_info	*codec;
108	uint32_t 		ac97_state[0x7F];
109	kobj_class_t		ac97_mixerclass;
110	uint32_t		ac97_recdevs;
111	uint32_t		ac97_playdevs;
112	struct snd_mixer	*sm;
113	int			mch_disabled;
114	unsigned int		emu10k1_volcache[2][2];
115};
116
117
118static uint32_t emu_rfmt_adc[] = {
119	SND_FORMAT(AFMT_S16_LE, 1, 0),
120	SND_FORMAT(AFMT_S16_LE, 2, 0),
121	0
122};
123static struct pcmchan_caps emu_reccaps_adc = {
124	8000, 48000, emu_rfmt_adc, 0
125};
126
127static uint32_t emu_rfmt_efx[] = {
128	SND_FORMAT(AFMT_S16_LE, 1, 0),
129	0
130};
131
132static struct pcmchan_caps emu_reccaps_efx_live = {
133	48000*32, 48000*32, emu_rfmt_efx, 0
134};
135
136static struct pcmchan_caps emu_reccaps_efx_audigy = {
137	48000*64, 48000*64, emu_rfmt_efx, 0
138};
139
140static int emu_rates_live[] = {
141	48000*32
142};
143
144static int emu_rates_audigy[] = {
145	48000*64
146};
147
148static uint32_t emu_pfmt[] = {
149	SND_FORMAT(AFMT_U8, 1, 0),
150	SND_FORMAT(AFMT_U8, 2, 0),
151	SND_FORMAT(AFMT_S16_LE, 1, 0),
152	SND_FORMAT(AFMT_S16_LE, 2, 0),
153	0
154};
155static uint32_t emu_pfmt_mono[] = {
156	SND_FORMAT(AFMT_U8, 1, 0),
157	SND_FORMAT(AFMT_S16_LE, 1, 0),
158	0
159};
160
161static struct pcmchan_caps emu_playcaps = {4000, 48000, emu_pfmt, 0};
162static struct pcmchan_caps emu_playcaps_mono = {4000, 48000, emu_pfmt_mono, 0};
163
164static int emu10k1_adcspeed[8] = {48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000};
165/* audigy supports 12kHz. */
166static int emu10k2_adcspeed[9] = {48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000};
167
168static uint32_t emu_pcm_intr(void *pcm, uint32_t stat);
169
170static const struct emu_dspmix_props_k1 {
171	uint8_t	present;
172	uint8_t	recdev;
173	int8_t	input;
174} dspmix_k1 [SOUND_MIXER_NRDEVICES] = {
175	/* no mixer device for ac97 */		/* in0 AC97 */
176	[SOUND_MIXER_DIGITAL1] = {1, 1, 1},	/* in1 CD SPDIF */
177	/* not connected */			/* in2 (zoom) */
178	[SOUND_MIXER_DIGITAL2] = {1, 1, 3},	/* in3 toslink */
179	[SOUND_MIXER_LINE2] =    {1, 1, 4},	/* in4 Line-In2 */
180	[SOUND_MIXER_DIGITAL3] = {1, 1, 5},	/* in5 on-card  SPDIF */
181	[SOUND_MIXER_LINE3] =    {1, 1, 6},	/* in6 AUX2 */
182	/* not connected */			/* in7 */
183};
184static const struct emu_dspmix_props_k2 {
185	uint8_t	present;
186	uint8_t	recdev;
187	int8_t	input;
188} dspmix_k2 [SOUND_MIXER_NRDEVICES] = {
189	[SOUND_MIXER_VOLUME] =	{1, 0, (-1)},
190	[SOUND_MIXER_PCM] =	{1, 0, (-1)},
191
192	/* no mixer device */			/* in0 AC97 */
193	[SOUND_MIXER_DIGITAL1] = {1, 1, 1},	/* in1 CD SPDIF */
194	[SOUND_MIXER_DIGITAL2] = {1, 1, 2},	/* in2 COAX SPDIF */
195	/* not connected */			/* in3 */
196	[SOUND_MIXER_LINE2] =    {1, 1, 4},	/* in4 Line-In2 */
197	[SOUND_MIXER_DIGITAL3] = {1, 1, 5},	/* in5 on-card  SPDIF */
198	[SOUND_MIXER_LINE3] =    {1, 1, 6},	/* in6 AUX2 */
199	/* not connected */			/* in7 */
200};
201
202static int
203emu_dspmixer_init(struct snd_mixer *m)
204{
205	struct emu_pcm_info	*sc;
206	int i;
207	int p, r;
208
209	p = 0;
210	r = 0;
211
212	sc = mix_getdevinfo(m);
213
214	if (sc->route == RT_FRONT) {
215		/* create submixer for AC97 codec */
216		if ((sc->ac97_mixerclass != NULL) && (sc->codec != NULL)) {
217			sc->sm = mixer_create(sc->dev, sc->ac97_mixerclass, sc->codec, "ac97");
218			if (sc->sm != NULL) {
219				p = mix_getdevs(sc->sm);
220				r = mix_getrecdevs(sc->sm);
221			}
222		}
223
224		sc->ac97_playdevs = p;
225		sc->ac97_recdevs = r;
226	}
227
228	/* This two are always here */
229	p |= (1 << SOUND_MIXER_PCM);
230	p |= (1 << SOUND_MIXER_VOLUME);
231
232	if (sc->route == RT_FRONT) {
233		if (sc->is_emu10k1) {
234			for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
235				if (dspmix_k1[i].present)
236					p |= (1 << i);
237				if (dspmix_k1[i].recdev)
238					r |= (1 << i);
239			}
240		} else {
241			for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
242				if (dspmix_k2[i].present)
243					p |= (1 << i);
244				if (dspmix_k2[i].recdev)
245					r |= (1 << i);
246			}
247		}
248	}
249
250	mix_setdevs(m, p);
251	mix_setrecdevs(m, r);
252
253	return (0);
254}
255
256static int
257emu_dspmixer_uninit(struct snd_mixer *m)
258{
259	struct emu_pcm_info	*sc;
260	int err = 0;
261
262	/* drop submixer for AC97 codec */
263	sc = mix_getdevinfo(m);
264	if (sc->sm != NULL)
265		err = mixer_delete(sc->sm);
266		if (err)
267			return (err);
268		sc->sm = NULL;
269	return (0);
270}
271
272static int
273emu_dspmixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
274{
275	struct emu_pcm_info *sc;
276
277	sc = mix_getdevinfo(m);
278
279	switch (dev) {
280	case SOUND_MIXER_VOLUME:
281		switch (sc->route) {
282		case RT_FRONT:
283			if (sc->sm != NULL)
284				mix_set(sc->sm, dev, left, right);
285			if (sc->mch_disabled) {
286				/* In emu10k1 case PCM volume does not affect
287				   sound routed to rear & center/sub (it is connected
288				   to AC97 codec). Calculate it manually. */
289				/* This really should belong to emu10kx.c */
290				if (sc->is_emu10k1) {
291					sc->emu10k1_volcache[0][0] = left;
292					left = left * sc->emu10k1_volcache[1][0] / 100;
293					sc->emu10k1_volcache[0][1] = right;
294					right = right * sc->emu10k1_volcache[1][1] / 100;
295				}
296
297				emumix_set_volume(sc->card, M_MASTER_REAR_L, left);
298				emumix_set_volume(sc->card, M_MASTER_REAR_R, right);
299				if (!sc->is_emu10k1) {
300					emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2);
301					emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2);
302					/* XXX side */
303				}
304			} /* mch disabled */
305			break;
306		case RT_REAR:
307			emumix_set_volume(sc->card, M_MASTER_REAR_L, left);
308			emumix_set_volume(sc->card, M_MASTER_REAR_R, right);
309			break;
310		case RT_CENTER:
311			emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2);
312			break;
313		case RT_SUB:
314			emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2);
315			break;
316		}
317		break;
318	case SOUND_MIXER_PCM:
319		switch (sc->route) {
320		case RT_FRONT:
321			if (sc->sm != NULL)
322				mix_set(sc->sm, dev, left, right);
323			if (sc->mch_disabled) {
324				/* See SOUND_MIXER_VOLUME case */
325				if (sc->is_emu10k1) {
326					sc->emu10k1_volcache[1][0] = left;
327					left = left * sc->emu10k1_volcache[0][0] / 100;
328					sc->emu10k1_volcache[1][1] = right;
329					right = right * sc->emu10k1_volcache[0][1] / 100;
330				}
331				emumix_set_volume(sc->card, M_MASTER_REAR_L, left);
332				emumix_set_volume(sc->card, M_MASTER_REAR_R, right);
333
334				if (!sc->is_emu10k1) {
335					emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2);
336					emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2);
337					/* XXX side */
338				}
339			} /* mch_disabled */
340			break;
341		case RT_REAR:
342			emumix_set_volume(sc->card, M_FX2_REAR_L, left);
343			emumix_set_volume(sc->card, M_FX3_REAR_R, right);
344			break;
345		case RT_CENTER:
346			emumix_set_volume(sc->card, M_FX4_CENTER, (left+right)/2);
347			break;
348		case RT_SUB:
349			emumix_set_volume(sc->card, M_FX5_SUBWOOFER, (left+right)/2);
350			break;
351		}
352		break;
353	case SOUND_MIXER_DIGITAL1:	/* CD SPDIF, in1 */
354			emumix_set_volume(sc->card, M_IN1_FRONT_L, left);
355			emumix_set_volume(sc->card, M_IN1_FRONT_R, right);
356		break;
357	case SOUND_MIXER_DIGITAL2:
358			if (sc->is_emu10k1) {
359				/* TOSLink, in3 */
360				emumix_set_volume(sc->card, M_IN3_FRONT_L, left);
361				emumix_set_volume(sc->card, M_IN3_FRONT_R, right);
362			} else {
363				/* COAX SPDIF, in2 */
364				emumix_set_volume(sc->card, M_IN2_FRONT_L, left);
365				emumix_set_volume(sc->card, M_IN2_FRONT_R, right);
366			}
367		break;
368	case SOUND_MIXER_LINE2:		/* Line-In2, in4 */
369			emumix_set_volume(sc->card, M_IN4_FRONT_L, left);
370			emumix_set_volume(sc->card, M_IN4_FRONT_R, right);
371		break;
372	case SOUND_MIXER_DIGITAL3:	/* on-card SPDIF, in5 */
373			emumix_set_volume(sc->card, M_IN5_FRONT_L, left);
374			emumix_set_volume(sc->card, M_IN5_FRONT_R, right);
375		break;
376	case SOUND_MIXER_LINE3:		/* AUX2, in6 */
377			emumix_set_volume(sc->card, M_IN6_FRONT_L, left);
378			emumix_set_volume(sc->card, M_IN6_FRONT_R, right);
379		break;
380	default:
381		if (sc->sm != NULL) {
382			/* XXX emumix_set_volume is not required here */
383			emumix_set_volume(sc->card, M_IN0_FRONT_L, 100);
384			emumix_set_volume(sc->card, M_IN0_FRONT_R, 100);
385			mix_set(sc->sm, dev, left, right);
386		} else
387			device_printf(sc->dev, "mixer error: unknown device %d\n", dev);
388	}
389	return  (0);
390}
391
392static u_int32_t
393emu_dspmixer_setrecsrc(struct snd_mixer *m, u_int32_t src)
394{
395	struct emu_pcm_info *sc;
396	int i;
397	u_int32_t recmask;
398	int	input[8];
399
400	sc = mix_getdevinfo(m);
401	recmask = 0;
402	for (i=0; i < 8; i++)
403		input[i]=0;
404
405	if (sc->sm != NULL)
406		if ((src & sc->ac97_recdevs) !=0)
407			if (mix_setrecsrc(sc->sm, src & sc->ac97_recdevs) == 0) {
408				recmask |= (src & sc->ac97_recdevs);
409				/* Recording from AC97 codec.
410				   Enable AC97 route to rec on DSP */
411				input[0] = 1;
412			}
413	if (sc->is_emu10k1) {
414		for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
415			if (dspmix_k1[i].recdev)
416				if ((src & (1 << i)) == ((uint32_t)1 << i)) {
417				recmask |= (1 << i);
418				/* enable device i */
419				input[dspmix_k1[i].input] = 1;
420				}
421		}
422	} else {
423		for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
424			if (dspmix_k2[i].recdev)
425				if ((src & (1 << i)) == ((uint32_t)1 << i)) {
426				recmask |= (1 << i);
427				/* enable device i */
428				input[dspmix_k2[i].input] = 1;
429				}
430		}
431	}
432	emumix_set_volume(sc->card, M_IN0_REC_L, input[0] == 1 ? 100 : 0);
433	emumix_set_volume(sc->card, M_IN0_REC_R, input[0] == 1 ? 100 : 0);
434
435	emumix_set_volume(sc->card, M_IN1_REC_L, input[1] == 1 ? 100 : 0);
436	emumix_set_volume(sc->card, M_IN1_REC_R, input[1] == 1 ? 100 : 0);
437
438	if (!sc->is_emu10k1) {
439		emumix_set_volume(sc->card, M_IN2_REC_L, input[2] == 1 ? 100 : 0);
440		emumix_set_volume(sc->card, M_IN2_REC_R, input[2] == 1 ? 100 : 0);
441	}
442
443	if (sc->is_emu10k1) {
444		emumix_set_volume(sc->card, M_IN3_REC_L, input[3] == 1 ? 100 : 0);
445		emumix_set_volume(sc->card, M_IN3_REC_R, input[3] == 1 ? 100 : 0);
446	}
447
448	emumix_set_volume(sc->card, M_IN4_REC_L, input[4] == 1 ? 100 : 0);
449	emumix_set_volume(sc->card, M_IN4_REC_R, input[4] == 1 ? 100 : 0);
450
451	emumix_set_volume(sc->card, M_IN5_REC_L, input[5] == 1 ? 100 : 0);
452	emumix_set_volume(sc->card, M_IN5_REC_R, input[5] == 1 ? 100 : 0);
453
454	emumix_set_volume(sc->card, M_IN6_REC_L, input[6] == 1 ? 100 : 0);
455	emumix_set_volume(sc->card, M_IN6_REC_R, input[6] == 1 ? 100 : 0);
456
457	/* XXX check for K1/k2 differences? */
458	if ((src & (1 << SOUND_MIXER_PCM)) == (1 << SOUND_MIXER_PCM)) {
459		emumix_set_volume(sc->card, M_FX0_REC_L, emumix_get_volume(sc->card, M_FX0_FRONT_L));
460		emumix_set_volume(sc->card, M_FX1_REC_R, emumix_get_volume(sc->card, M_FX1_FRONT_R));
461	} else {
462		emumix_set_volume(sc->card, M_FX0_REC_L, 0);
463		emumix_set_volume(sc->card, M_FX1_REC_R, 0);
464	}
465
466	return (recmask);
467}
468
469static kobj_method_t emudspmixer_methods[] = {
470	KOBJMETHOD(mixer_init,		emu_dspmixer_init),
471	KOBJMETHOD(mixer_uninit,	emu_dspmixer_uninit),
472	KOBJMETHOD(mixer_set,		emu_dspmixer_set),
473	KOBJMETHOD(mixer_setrecsrc,	emu_dspmixer_setrecsrc),
474	KOBJMETHOD_END
475};
476MIXER_DECLARE(emudspmixer);
477
478static int
479emu_efxmixer_init(struct snd_mixer *m)
480{
481	mix_setdevs(m, SOUND_MASK_VOLUME);
482	mix_setrecdevs(m, SOUND_MASK_MONITOR);
483	return (0);
484}
485
486static int
487emu_efxmixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
488{
489	if (left + right == 200) return (0);
490	return  (0);
491}
492
493static u_int32_t
494emu_efxmixer_setrecsrc(struct snd_mixer *m __unused, u_int32_t src __unused)
495{
496	return (SOUND_MASK_MONITOR);
497}
498
499static kobj_method_t emuefxmixer_methods[] = {
500	KOBJMETHOD(mixer_init,		emu_efxmixer_init),
501	KOBJMETHOD(mixer_set,		emu_efxmixer_set),
502	KOBJMETHOD(mixer_setrecsrc,	emu_efxmixer_setrecsrc),
503	KOBJMETHOD_END
504};
505MIXER_DECLARE(emuefxmixer);
506
507/*
508 * AC97 emulation code for Audigy and later cards.
509 * Some parts of AC97 codec are not used by hardware, but can be used
510 * to change some DSP controls via AC97 mixer interface. This includes:
511 * - master volume controls MASTER_FRONT_[R|L]
512 * - pcm volume controls FX[0|1]_FRONT_[R|L]
513 * - rec volume controls MASTER_REC_[R|L]
514 * We do it because we need to put it under user control....
515 * We also keep some parts of AC97 disabled to get better sound quality
516 */
517
518#define	AC97LEFT(x)	((x & 0x7F00)>>8)
519#define	AC97RIGHT(x)	(x & 0x007F)
520#define	AC97MUTE(x)	((x & 0x8000)>>15)
521#define	BIT4_TO100(x)	(100-(x)*100/(0x0f))
522#define	BIT6_TO100(x)	(100-(x)*100/(0x3f))
523#define	BIT4_TO255(x)	(255-(x)*255/(0x0f))
524#define	BIT6_TO255(x)	(255-(x)*255/(0x3f))
525#define	V100_TOBIT6(x)	(0x3f*(100-x)/100)
526#define	V100_TOBIT4(x)	(0x0f*(100-x)/100)
527#define	AC97ENCODE(x_muted, x_left, x_right)	(((x_muted & 1)<<15) | ((x_left & 0x3f)<<8) | (x_right & 0x3f))
528
529static int
530emu_ac97_read_emulation(struct emu_pcm_info *sc, int regno)
531{
532	int use_ac97;
533	int emulated;
534	int tmp;
535
536	use_ac97 = 1;
537	emulated = 0;
538
539	switch (regno) {
540	case AC97_MIX_MASTER:
541		emulated = sc->ac97_state[AC97_MIX_MASTER];
542		use_ac97 = 0;
543		break;
544	case AC97_MIX_PCM:
545		emulated = sc->ac97_state[AC97_MIX_PCM];
546		use_ac97 = 0;
547		break;
548	case AC97_REG_RECSEL:
549		emulated = 0x0505;
550		use_ac97 = 0;
551		break;
552	case AC97_MIX_RGAIN:
553		emulated = sc->ac97_state[AC97_MIX_RGAIN];
554		use_ac97 = 0;
555		break;
556	}
557
558	emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
559	tmp = emu_rd(sc->card, EMU_AC97DATA, 2);
560
561	if (use_ac97)
562		emulated = tmp;
563
564	return (emulated);
565}
566
567static void
568emu_ac97_write_emulation(struct emu_pcm_info *sc, int regno, uint32_t data)
569{
570	int write_ac97;
571	int left, right;
572	uint32_t emu_left, emu_right;
573	int is_mute;
574
575	write_ac97 = 1;
576
577	left = AC97LEFT(data);
578	emu_left = BIT6_TO100(left);	/* We show us as 6-bit AC97 mixer */
579	right = AC97RIGHT(data);
580	emu_right = BIT6_TO100(right);
581	is_mute = AC97MUTE(data);
582	if (is_mute)
583		emu_left = emu_right = 0;
584
585	switch (regno) {
586		/* TODO: reset emulator on AC97_RESET */
587	case AC97_MIX_MASTER:
588		emumix_set_volume(sc->card, M_MASTER_FRONT_L, emu_left);
589		emumix_set_volume(sc->card, M_MASTER_FRONT_R, emu_right);
590		sc->ac97_state[AC97_MIX_MASTER] = data & (0x8000 | 0x3f3f);
591		data = 0x8000;	/* Mute AC97 main out */
592		break;
593	case AC97_MIX_PCM:	/* PCM OUT VOL */
594		emumix_set_volume(sc->card, M_FX0_FRONT_L, emu_left);
595		emumix_set_volume(sc->card, M_FX1_FRONT_R, emu_right);
596		sc->ac97_state[AC97_MIX_PCM] = data & (0x8000 | 0x3f3f);
597		data = 0x8000;	/* Mute AC97 PCM out */
598		break;
599	case AC97_REG_RECSEL:
600		/*
601		 * PCM recording source is set to "stereo mix" (labeled "vol"
602		 * in mixer). There is no 'playback' from AC97 codec -
603		 * if you want to hear anything from AC97 you have to _record_
604		 * it. Keep things simple and record "stereo mix".
605		 */
606		data = 0x0505;
607		break;
608	case AC97_MIX_RGAIN:	/* RECORD GAIN */
609		emu_left = BIT4_TO100(left);	/* rgain is 4-bit */
610		emu_right = BIT4_TO100(right);
611		emumix_set_volume(sc->card, M_MASTER_REC_L, 100-emu_left);
612		emumix_set_volume(sc->card, M_MASTER_REC_R, 100-emu_right);
613		/*
614		 * Record gain on AC97 should stay zero to get AC97 sound on
615		 * AC97_[RL] connectors on EMU10K2 chip. AC97 on Audigy is not
616		 * directly connected to any output, only to EMU10K2 chip Use
617		 * this control to set AC97 mix volume inside EMU10K2 chip
618		 */
619		sc->ac97_state[AC97_MIX_RGAIN] = data & (0x8000 | 0x0f0f);
620		data = 0x0000;
621		break;
622	}
623	if (write_ac97) {
624		emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
625		emu_wr(sc->card, EMU_AC97DATA, data, 2);
626	}
627}
628
629static int
630emu_erdcd(kobj_t obj __unused, void *devinfo, int regno)
631{
632	struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
633
634	return (emu_ac97_read_emulation(sc, regno));
635}
636
637static int
638emu_ewrcd(kobj_t obj __unused, void *devinfo, int regno, uint32_t data)
639{
640	struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
641
642	emu_ac97_write_emulation(sc, regno, data);
643	return (0);
644}
645
646static kobj_method_t emu_eac97_methods[] = {
647	KOBJMETHOD(ac97_read, emu_erdcd),
648	KOBJMETHOD(ac97_write, emu_ewrcd),
649	KOBJMETHOD_END
650};
651AC97_DECLARE(emu_eac97);
652
653/* real ac97 codec */
654static int
655emu_rdcd(kobj_t obj __unused, void *devinfo, int regno)
656{
657	int rd;
658	struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
659
660	KASSERT(sc->card != NULL, ("emu_rdcd: no soundcard"));
661	emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
662	rd = emu_rd(sc->card, EMU_AC97DATA, 2);
663	return (rd);
664}
665
666static int
667emu_wrcd(kobj_t obj __unused, void *devinfo, int regno, uint32_t data)
668{
669	struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
670
671	KASSERT(sc->card != NULL, ("emu_wrcd: no soundcard"));
672	emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
673	emu_wr(sc->card, EMU_AC97DATA, data, 2);
674	return (0);
675}
676
677static kobj_method_t emu_ac97_methods[] = {
678	KOBJMETHOD(ac97_read, emu_rdcd),
679	KOBJMETHOD(ac97_write, emu_wrcd),
680	KOBJMETHOD_END
681};
682AC97_DECLARE(emu_ac97);
683
684
685static int
686emu_k1_recval(int speed)
687{
688	int val;
689
690	val = 0;
691	while ((val < 7) && (speed < emu10k1_adcspeed[val]))
692		val++;
693	return (val);
694}
695
696static int
697emu_k2_recval(int speed)
698{
699	int val;
700
701	val = 0;
702	while ((val < 8) && (speed < emu10k2_adcspeed[val]))
703		val++;
704	return (val);
705}
706
707static void *
708emupchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused)
709{
710	struct emu_pcm_info *sc = devinfo;
711	struct emu_pcm_pchinfo *ch;
712	void *r;
713
714	KASSERT(dir == PCMDIR_PLAY, ("emupchan_init: bad direction"));
715	KASSERT(sc->card != NULL, ("empchan_init: no soundcard"));
716
717
718	if (sc->pnum >= MAX_CHANNELS)
719		return (NULL);
720	ch = &(sc->pch[sc->pnum++]);
721	ch->buffer = b;
722	ch->pcm = sc;
723	ch->channel = c;
724	ch->blksz = sc->bufsz;
725	ch->fmt = SND_FORMAT(AFMT_U8, 1, 0);
726	ch->spd = 8000;
727	ch->master = emu_valloc(sc->card);
728	/*
729	 * XXX we have to allocate slave even for mono channel until we
730	 * fix emu_vfree to handle this case.
731	 */
732	ch->slave = emu_valloc(sc->card);
733	ch->timer = emu_timer_create(sc->card);
734	r = (emu_vinit(sc->card, ch->master, ch->slave, EMU_PLAY_BUFSZ, ch->buffer)) ? NULL : ch;
735	return (r);
736}
737
738static int
739emupchan_free(kobj_t obj __unused, void *c_devinfo)
740{
741	struct emu_pcm_pchinfo *ch = c_devinfo;
742	struct emu_pcm_info *sc = ch->pcm;
743
744	emu_timer_clear(sc->card, ch->timer);
745	if (ch->slave != NULL)
746		emu_vfree(sc->card, ch->slave);
747	emu_vfree(sc->card, ch->master);
748	return (0);
749}
750
751static int
752emupchan_setformat(kobj_t obj __unused, void *c_devinfo, uint32_t format)
753{
754	struct emu_pcm_pchinfo *ch = c_devinfo;
755
756	ch->fmt = format;
757	return (0);
758}
759
760static uint32_t
761emupchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed)
762{
763	struct emu_pcm_pchinfo *ch = c_devinfo;
764
765	ch->spd = speed;
766	return (ch->spd);
767}
768
769static uint32_t
770emupchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize)
771{
772	struct emu_pcm_pchinfo *ch = c_devinfo;
773	struct emu_pcm_info *sc = ch->pcm;
774
775	if (blocksize > ch->pcm->bufsz)
776		blocksize = ch->pcm->bufsz;
777	snd_mtxlock(sc->lock);
778	ch->blksz = blocksize;
779	emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer));
780	snd_mtxunlock(sc->lock);
781	return (ch->blksz);
782}
783
784static int
785emupchan_trigger(kobj_t obj __unused, void *c_devinfo, int go)
786{
787	struct emu_pcm_pchinfo *ch = c_devinfo;
788	struct emu_pcm_info *sc = ch->pcm;
789
790	if (!PCMTRIG_COMMON(go))
791		return (0);
792
793	snd_mtxlock(sc->lock); /* XXX can we trigger on parallel threads ? */
794	if (go == PCMTRIG_START) {
795		emu_vsetup(ch->master, ch->fmt, ch->spd);
796		if (AFMT_CHANNEL(ch->fmt) > 1)
797			emu_vroute(sc->card, &(sc->rt), ch->master);
798		else
799			emu_vroute(sc->card, &(sc->rt_mono), ch->master);
800		emu_vwrite(sc->card, ch->master);
801		emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer));
802		emu_timer_enable(sc->card, ch->timer, 1);
803	}
804	/* PCM interrupt handler will handle PCMTRIG_STOP event */
805	ch->run = (go == PCMTRIG_START) ? 1 : 0;
806	emu_vtrigger(sc->card, ch->master, ch->run);
807	snd_mtxunlock(sc->lock);
808	return (0);
809}
810
811static uint32_t
812emupchan_getptr(kobj_t obj __unused, void *c_devinfo)
813{
814	struct emu_pcm_pchinfo *ch = c_devinfo;
815	struct emu_pcm_info *sc = ch->pcm;
816	int r;
817
818	r = emu_vpos(sc->card, ch->master);
819
820	return (r);
821}
822
823static struct pcmchan_caps *
824emupchan_getcaps(kobj_t obj __unused, void *c_devinfo __unused)
825{
826	struct emu_pcm_pchinfo *ch = c_devinfo;
827	struct emu_pcm_info *sc = ch->pcm;
828
829	switch (sc->route) {
830	case RT_FRONT:
831		/* FALLTHROUGH */
832	case RT_REAR:
833		/* FALLTHROUGH */
834	case RT_SIDE:
835		return (&emu_playcaps);
836		break;
837	case RT_CENTER:
838		/* FALLTHROUGH */
839	case RT_SUB:
840		return (&emu_playcaps_mono);
841		break;
842	}
843	return (NULL);
844}
845
846static kobj_method_t emupchan_methods[] = {
847	KOBJMETHOD(channel_init, emupchan_init),
848	KOBJMETHOD(channel_free, emupchan_free),
849	KOBJMETHOD(channel_setformat, emupchan_setformat),
850	KOBJMETHOD(channel_setspeed, emupchan_setspeed),
851	KOBJMETHOD(channel_setblocksize, emupchan_setblocksize),
852	KOBJMETHOD(channel_trigger, emupchan_trigger),
853	KOBJMETHOD(channel_getptr, emupchan_getptr),
854	KOBJMETHOD(channel_getcaps, emupchan_getcaps),
855	KOBJMETHOD_END
856};
857CHANNEL_DECLARE(emupchan);
858
859static void *
860emurchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused)
861{
862	struct emu_pcm_info *sc = devinfo;
863	struct emu_pcm_rchinfo *ch;
864
865	KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction"));
866	ch = &sc->rch_adc;
867	ch->buffer = b;
868	ch->pcm = sc;
869	ch->channel = c;
870	ch->blksz = sc->bufsz / 2; /* We rise interrupt for half-full buffer */
871	ch->fmt = SND_FORMAT(AFMT_U8, 1, 0);
872	ch->spd = 8000;
873	ch->idxreg = sc->is_emu10k1 ? EMU_ADCIDX : EMU_A_ADCIDX;
874	ch->basereg = EMU_ADCBA;
875	ch->sizereg = EMU_ADCBS;
876	ch->setupreg = EMU_ADCCR;
877	ch->irqmask = EMU_INTE_ADCBUFENABLE;
878	ch->iprmask = EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL;
879
880	if (sndbuf_alloc(ch->buffer, emu_gettag(sc->card), 0, sc->bufsz) != 0)
881		return (NULL);
882	else {
883		ch->timer = emu_timer_create(sc->card);
884		emu_wrptr(sc->card, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer));
885		emu_wrptr(sc->card, 0, ch->sizereg, 0);	/* off */
886		return (ch);
887	}
888}
889
890static int
891emurchan_free(kobj_t obj __unused, void *c_devinfo)
892{
893	struct emu_pcm_rchinfo *ch = c_devinfo;
894	struct emu_pcm_info *sc = ch->pcm;
895
896	emu_timer_clear(sc->card, ch->timer);
897	return (0);
898}
899
900static int
901emurchan_setformat(kobj_t obj __unused, void *c_devinfo, uint32_t format)
902{
903	struct emu_pcm_rchinfo *ch = c_devinfo;
904
905	ch->fmt = format;
906	return (0);
907}
908
909static uint32_t
910emurchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed)
911{
912	struct emu_pcm_rchinfo *ch = c_devinfo;
913
914	if (ch->pcm->is_emu10k1) {
915		speed = emu10k1_adcspeed[emu_k1_recval(speed)];
916	} else {
917		speed = emu10k2_adcspeed[emu_k2_recval(speed)];
918	}
919	ch->spd = speed;
920	return (ch->spd);
921}
922
923static uint32_t
924emurchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize)
925{
926	struct emu_pcm_rchinfo *ch = c_devinfo;
927	struct emu_pcm_info *sc = ch->pcm;
928
929	ch->blksz = blocksize;
930	/*
931	 * If blocksize is less than half of buffer size we will not get
932	 * BUFHALFFULL interrupt in time and channel will need to generate
933	 * (and use) timer interrupts. Otherwise channel will be marked dead.
934	 */
935	if (ch->blksz < (ch->pcm->bufsz / 2)) {
936		emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer));
937		emu_timer_enable(sc->card, ch->timer, 1);
938	} else {
939		emu_timer_enable(sc->card, ch->timer, 0);
940	}
941	return (ch->blksz);
942}
943
944static int
945emurchan_trigger(kobj_t obj __unused, void *c_devinfo, int go)
946{
947	struct emu_pcm_rchinfo *ch = c_devinfo;
948	struct emu_pcm_info *sc = ch->pcm;
949	uint32_t val, sz;
950
951	if (!PCMTRIG_COMMON(go))
952		return (0);
953
954	switch (sc->bufsz) {
955	case 4096:
956		sz = EMU_RECBS_BUFSIZE_4096;
957		break;
958	case 8192:
959		sz = EMU_RECBS_BUFSIZE_8192;
960		break;
961	case 16384:
962		sz = EMU_RECBS_BUFSIZE_16384;
963		break;
964	case 32768:
965		sz = EMU_RECBS_BUFSIZE_32768;
966		break;
967	case 65536:
968		sz = EMU_RECBS_BUFSIZE_65536;
969		break;
970	default:
971		sz = EMU_RECBS_BUFSIZE_4096;
972	}
973
974	snd_mtxlock(sc->lock);
975	switch (go) {
976	case PCMTRIG_START:
977		ch->run = 1;
978		emu_wrptr(sc->card, 0, ch->sizereg, sz);
979		val = sc->is_emu10k1 ? EMU_ADCCR_LCHANENABLE : EMU_A_ADCCR_LCHANENABLE;
980		if (AFMT_CHANNEL(ch->fmt) > 1)
981			val |= sc->is_emu10k1 ? EMU_ADCCR_RCHANENABLE : EMU_A_ADCCR_RCHANENABLE;
982		val |= sc->is_emu10k1 ? emu_k1_recval(ch->spd) : emu_k2_recval(ch->spd);
983		emu_wrptr(sc->card, 0, ch->setupreg, 0);
984		emu_wrptr(sc->card, 0, ch->setupreg, val);
985		ch->ihandle = emu_intr_register(sc->card, ch->irqmask, ch->iprmask, &emu_pcm_intr, sc);
986		break;
987	case PCMTRIG_STOP:
988		/* FALLTHROUGH */
989	case PCMTRIG_ABORT:
990		ch->run = 0;
991		emu_wrptr(sc->card, 0, ch->sizereg, 0);
992		if (ch->setupreg)
993			emu_wrptr(sc->card, 0, ch->setupreg, 0);
994		(void)emu_intr_unregister(sc->card, ch->ihandle);
995		break;
996	case PCMTRIG_EMLDMAWR:
997		/* FALLTHROUGH */
998	case PCMTRIG_EMLDMARD:
999		/* FALLTHROUGH */
1000	default:
1001		break;
1002	}
1003	snd_mtxunlock(sc->lock);
1004
1005	return (0);
1006}
1007
1008static uint32_t
1009emurchan_getptr(kobj_t obj __unused, void *c_devinfo)
1010{
1011	struct emu_pcm_rchinfo *ch = c_devinfo;
1012	struct emu_pcm_info *sc = ch->pcm;
1013	int r;
1014
1015	r = emu_rdptr(sc->card, 0, ch->idxreg) & 0x0000ffff;
1016
1017	return (r);
1018}
1019
1020static struct pcmchan_caps *
1021emurchan_getcaps(kobj_t obj __unused, void *c_devinfo __unused)
1022{
1023	return (&emu_reccaps_adc);
1024}
1025
1026static kobj_method_t emurchan_methods[] = {
1027	KOBJMETHOD(channel_init, emurchan_init),
1028	KOBJMETHOD(channel_free, emurchan_free),
1029	KOBJMETHOD(channel_setformat, emurchan_setformat),
1030	KOBJMETHOD(channel_setspeed, emurchan_setspeed),
1031	KOBJMETHOD(channel_setblocksize, emurchan_setblocksize),
1032	KOBJMETHOD(channel_trigger, emurchan_trigger),
1033	KOBJMETHOD(channel_getptr, emurchan_getptr),
1034	KOBJMETHOD(channel_getcaps, emurchan_getcaps),
1035	KOBJMETHOD_END
1036};
1037CHANNEL_DECLARE(emurchan);
1038
1039static void *
1040emufxrchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused)
1041{
1042	struct emu_pcm_info *sc = devinfo;
1043	struct emu_pcm_rchinfo *ch;
1044
1045	KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction"));
1046
1047	if (sc == NULL) return (NULL);
1048
1049	ch = &(sc->rch_efx);
1050	ch->fmt = SND_FORMAT(AFMT_S16_LE, 1, 0);
1051	ch->spd = sc->is_emu10k1 ? 48000*32 : 48000 * 64;
1052	ch->idxreg = EMU_FXIDX;
1053	ch->basereg = EMU_FXBA;
1054	ch->sizereg = EMU_FXBS;
1055	ch->irqmask = EMU_INTE_EFXBUFENABLE;
1056	ch->iprmask = EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL;
1057	ch->buffer = b;
1058	ch->pcm = sc;
1059	ch->channel = c;
1060	ch->blksz = sc->bufsz / 2;
1061
1062	if (sndbuf_alloc(ch->buffer, emu_gettag(sc->card), 0, sc->bufsz) != 0)
1063		return (NULL);
1064	else {
1065		emu_wrptr(sc->card, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer));
1066		emu_wrptr(sc->card, 0, ch->sizereg, 0);	/* off */
1067		return (ch);
1068	}
1069}
1070
1071static int
1072emufxrchan_setformat(kobj_t obj __unused, void *c_devinfo __unused, uint32_t format)
1073{
1074	if (format == SND_FORMAT(AFMT_S16_LE, 1, 0)) return (0);
1075	return (EINVAL);
1076}
1077
1078static uint32_t
1079emufxrchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed)
1080{
1081	struct emu_pcm_rchinfo *ch = c_devinfo;
1082
1083	/* FIXED RATE CHANNEL */
1084	return (ch->spd);
1085}
1086
1087static uint32_t
1088emufxrchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize)
1089{
1090	struct emu_pcm_rchinfo *ch = c_devinfo;
1091
1092	ch->blksz = blocksize;
1093	/*
1094	 * XXX If blocksize is less than half of buffer size we will not get
1095	 * interrupt in time and channel will die due to interrupt timeout.
1096	 * This	should not happen with FX rchan, because it will fill buffer
1097	 * very	fast (64K buffer is 0.021seconds on Audigy).
1098	 */
1099	if (ch->blksz < (ch->pcm->bufsz / 2))
1100		ch->blksz = ch->pcm->bufsz / 2;
1101	return (ch->blksz);
1102}
1103
1104static int
1105emufxrchan_trigger(kobj_t obj __unused, void *c_devinfo, int go)
1106{
1107	struct emu_pcm_rchinfo *ch = c_devinfo;
1108	struct emu_pcm_info *sc = ch->pcm;
1109	uint32_t sz;
1110
1111	if (!PCMTRIG_COMMON(go))
1112		return (0);
1113
1114	switch (sc->bufsz) {
1115	case 4096:
1116		sz = EMU_RECBS_BUFSIZE_4096;
1117		break;
1118	case 8192:
1119		sz = EMU_RECBS_BUFSIZE_8192;
1120		break;
1121	case 16384:
1122		sz = EMU_RECBS_BUFSIZE_16384;
1123		break;
1124	case 32768:
1125		sz = EMU_RECBS_BUFSIZE_32768;
1126		break;
1127	case 65536:
1128		sz = EMU_RECBS_BUFSIZE_65536;
1129		break;
1130	default:
1131		sz = EMU_RECBS_BUFSIZE_4096;
1132	}
1133
1134	snd_mtxlock(sc->lock);
1135	switch (go) {
1136	case PCMTRIG_START:
1137		ch->run = 1;
1138		emu_wrptr(sc->card, 0, ch->sizereg, sz);
1139		ch->ihandle = emu_intr_register(sc->card, ch->irqmask, ch->iprmask, &emu_pcm_intr, sc);
1140		/*
1141		 * SB Live! is limited to 32 mono channels. Audigy
1142		 * has 64 mono channels. Channels are enabled
1143		 * by setting a bit in EMU_A_FXWC[1|2] registers.
1144		 */
1145		/* XXX there is no way to demultiplex this streams for now */
1146		if (sc->is_emu10k1) {
1147			emu_wrptr(sc->card, 0, EMU_FXWC, 0xffffffff);
1148		} else {
1149			emu_wrptr(sc->card, 0, EMU_A_FXWC1, 0xffffffff);
1150			emu_wrptr(sc->card, 0, EMU_A_FXWC2, 0xffffffff);
1151		}
1152		break;
1153	case PCMTRIG_STOP:
1154		/* FALLTHROUGH */
1155	case PCMTRIG_ABORT:
1156		ch->run = 0;
1157		if (sc->is_emu10k1) {
1158			emu_wrptr(sc->card, 0, EMU_FXWC, 0x0);
1159		} else {
1160			emu_wrptr(sc->card, 0, EMU_A_FXWC1, 0x0);
1161			emu_wrptr(sc->card, 0, EMU_A_FXWC2, 0x0);
1162		}
1163		emu_wrptr(sc->card, 0, ch->sizereg, 0);
1164		(void)emu_intr_unregister(sc->card, ch->ihandle);
1165		break;
1166	case PCMTRIG_EMLDMAWR:
1167		/* FALLTHROUGH */
1168	case PCMTRIG_EMLDMARD:
1169		/* FALLTHROUGH */
1170	default:
1171		break;
1172	}
1173	snd_mtxunlock(sc->lock);
1174
1175	return (0);
1176}
1177
1178static uint32_t
1179emufxrchan_getptr(kobj_t obj __unused, void *c_devinfo)
1180{
1181	struct emu_pcm_rchinfo *ch = c_devinfo;
1182	struct emu_pcm_info *sc = ch->pcm;
1183	int r;
1184
1185	r = emu_rdptr(sc->card, 0, ch->idxreg) & 0x0000ffff;
1186
1187	return (r);
1188}
1189
1190static struct pcmchan_caps *
1191emufxrchan_getcaps(kobj_t obj __unused, void *c_devinfo)
1192{
1193	struct emu_pcm_rchinfo *ch = c_devinfo;
1194	struct emu_pcm_info *sc = ch->pcm;
1195
1196	if (sc->is_emu10k1)
1197		return (&emu_reccaps_efx_live);
1198	return (&emu_reccaps_efx_audigy);
1199
1200}
1201
1202static int
1203emufxrchan_getrates(kobj_t obj __unused, void *c_devinfo, int **rates)
1204{
1205	struct emu_pcm_rchinfo *ch = c_devinfo;
1206	struct emu_pcm_info *sc = ch->pcm;
1207
1208	if (sc->is_emu10k1)
1209		*rates = emu_rates_live;
1210	else
1211		*rates = emu_rates_audigy;
1212
1213	return 1;
1214}
1215
1216static kobj_method_t emufxrchan_methods[] = {
1217	KOBJMETHOD(channel_init, emufxrchan_init),
1218	KOBJMETHOD(channel_setformat, emufxrchan_setformat),
1219	KOBJMETHOD(channel_setspeed, emufxrchan_setspeed),
1220	KOBJMETHOD(channel_setblocksize, emufxrchan_setblocksize),
1221	KOBJMETHOD(channel_trigger, emufxrchan_trigger),
1222	KOBJMETHOD(channel_getptr, emufxrchan_getptr),
1223	KOBJMETHOD(channel_getcaps, emufxrchan_getcaps),
1224	KOBJMETHOD(channel_getrates, emufxrchan_getrates),
1225	KOBJMETHOD_END
1226};
1227CHANNEL_DECLARE(emufxrchan);
1228
1229
1230static uint32_t
1231emu_pcm_intr(void *pcm, uint32_t stat)
1232{
1233	struct emu_pcm_info *sc = (struct emu_pcm_info *)pcm;
1234	uint32_t ack;
1235	int i;
1236
1237	ack = 0;
1238
1239	snd_mtxlock(sc->lock);
1240
1241	if (stat & EMU_IPR_INTERVALTIMER) {
1242		ack |= EMU_IPR_INTERVALTIMER;
1243		for (i = 0; i < MAX_CHANNELS; i++)
1244			if (sc->pch[i].channel) {
1245				if (sc->pch[i].run == 1) {
1246					snd_mtxunlock(sc->lock);
1247					chn_intr(sc->pch[i].channel);
1248					snd_mtxlock(sc->lock);
1249				} else
1250					emu_timer_enable(sc->card, sc->pch[i].timer, 0);
1251			}
1252		/* ADC may install timer to get low-latency interrupts */
1253		if ((sc->rch_adc.channel) && (sc->rch_adc.run)) {
1254			snd_mtxunlock(sc->lock);
1255			chn_intr(sc->rch_adc.channel);
1256			snd_mtxlock(sc->lock);
1257		}
1258		/*
1259		 * EFX does not use timer, because it will fill
1260		 * buffer at least 32x times faster than ADC.
1261		 */
1262	}
1263
1264
1265	if (stat & (EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL)) {
1266		ack |= stat & (EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL);
1267		if (sc->rch_adc.channel) {
1268			snd_mtxunlock(sc->lock);
1269			chn_intr(sc->rch_adc.channel);
1270			snd_mtxlock(sc->lock);
1271		}
1272	}
1273
1274	if (stat & (EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL)) {
1275		ack |= stat & (EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL);
1276		if (sc->rch_efx.channel) {
1277			snd_mtxunlock(sc->lock);
1278			chn_intr(sc->rch_efx.channel);
1279			snd_mtxlock(sc->lock);
1280		}
1281	}
1282	snd_mtxunlock(sc->lock);
1283
1284	return (ack);
1285}
1286
1287static int
1288emu_pcm_init(struct emu_pcm_info *sc)
1289{
1290	sc->bufsz = pcm_getbuffersize(sc->dev, EMUPAGESIZE, EMU_REC_BUFSZ, EMU_MAX_BUFSZ);
1291	return (0);
1292}
1293
1294static int
1295emu_pcm_uninit(struct emu_pcm_info *sc __unused)
1296{
1297	return (0);
1298}
1299
1300static int
1301emu_pcm_probe(device_t dev)
1302{
1303	uintptr_t func, route, r;
1304	const char *rt;
1305	char buffer[255];
1306
1307	r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_FUNC, &func);
1308
1309	if (func != SCF_PCM)
1310		return (ENXIO);
1311
1312	rt = "UNKNOWN";
1313	r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ROUTE, &route);
1314	switch (route) {
1315	case RT_FRONT:
1316		rt = "front";
1317		break;
1318	case RT_REAR:
1319		rt = "rear";
1320		break;
1321	case RT_CENTER:
1322		rt = "center";
1323		break;
1324	case RT_SUB:
1325		rt = "subwoofer";
1326		break;
1327	case RT_SIDE:
1328		rt = "side";
1329		break;
1330	case RT_MCHRECORD:
1331		rt = "multichannel recording";
1332		break;
1333	}
1334
1335	snprintf(buffer, 255, "EMU10Kx DSP %s PCM interface", rt);
1336	device_set_desc_copy(dev, buffer);
1337	return (0);
1338}
1339
1340static int
1341emu_pcm_attach(device_t dev)
1342{
1343	struct emu_pcm_info *sc;
1344	unsigned int i;
1345	char status[SND_STATUSLEN];
1346	uint32_t inte, ipr;
1347	uintptr_t route, r, ivar;
1348
1349	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
1350	sc->card = (struct emu_sc_info *)(device_get_softc(device_get_parent(dev)));
1351	if (sc->card == NULL) {
1352		device_printf(dev, "cannot get bridge conf\n");
1353		free(sc, M_DEVBUF);
1354		return (ENXIO);
1355	}
1356
1357	sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_emu10kx pcm softc");
1358	sc->dev = dev;
1359
1360	r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ISEMU10K1, &ivar);
1361	sc->is_emu10k1 = ivar ? 1 : 0;
1362
1363	r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_MCH_DISABLED, &ivar);
1364	sc->mch_disabled = ivar ? 1 : 0;
1365
1366	sc->codec = NULL;
1367
1368	for (i = 0; i < 8; i++) {
1369		sc->rt.routing_left[i] = i;
1370		sc->rt.amounts_left[i] = 0x00;
1371		sc->rt.routing_right[i] = i;
1372		sc->rt.amounts_right[i] = 0x00;
1373	}
1374
1375	for (i = 0; i < 8; i++) {
1376		sc->rt_mono.routing_left[i] = i;
1377		sc->rt_mono.amounts_left[i] = 0x00;
1378		sc->rt_mono.routing_right[i] = i;
1379		sc->rt_mono.amounts_right[i] = 0x00;
1380	}
1381
1382	sc->emu10k1_volcache[0][0] = 75;
1383	sc->emu10k1_volcache[1][0] = 75;
1384	sc->emu10k1_volcache[0][1] = 75;
1385	sc->emu10k1_volcache[1][1] = 75;
1386	r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ROUTE, &route);
1387	sc->route = route;
1388	switch (route) {
1389	case RT_FRONT:
1390		sc->rt.amounts_left[0] = 0xff;
1391		sc->rt.amounts_right[1] = 0xff;
1392		sc->rt_mono.amounts_left[0] = 0xff;
1393		sc->rt_mono.amounts_left[1] = 0xff;
1394		if (sc->is_emu10k1)
1395			sc->codec = AC97_CREATE(dev, sc, emu_ac97);
1396		else
1397			sc->codec = AC97_CREATE(dev, sc, emu_eac97);
1398		sc->ac97_mixerclass = NULL;
1399		if (sc->codec != NULL)
1400			sc->ac97_mixerclass = ac97_getmixerclass();
1401		if (mixer_init(dev, &emudspmixer_class, sc)) {
1402			device_printf(dev, "failed to initialize DSP mixer\n");
1403			goto bad;
1404		}
1405		break;
1406	case RT_REAR:
1407		sc->rt.amounts_left[2] = 0xff;
1408		sc->rt.amounts_right[3] = 0xff;
1409		sc->rt_mono.amounts_left[2] = 0xff;
1410		sc->rt_mono.amounts_left[3] = 0xff;
1411		if (mixer_init(dev, &emudspmixer_class, sc)) {
1412			device_printf(dev, "failed to initialize mixer\n");
1413			goto bad;
1414		}
1415		break;
1416	case RT_CENTER:
1417		sc->rt.amounts_left[4] = 0xff;
1418		sc->rt_mono.amounts_left[4] = 0xff;
1419		if (mixer_init(dev, &emudspmixer_class, sc)) {
1420			device_printf(dev, "failed to initialize mixer\n");
1421			goto bad;
1422		}
1423		break;
1424	case RT_SUB:
1425		sc->rt.amounts_left[5] = 0xff;
1426		sc->rt_mono.amounts_left[5] = 0xff;
1427		if (mixer_init(dev, &emudspmixer_class, sc)) {
1428			device_printf(dev, "failed to initialize mixer\n");
1429			goto bad;
1430		}
1431		break;
1432	case RT_SIDE:
1433		sc->rt.amounts_left[6] = 0xff;
1434		sc->rt.amounts_right[7] = 0xff;
1435		sc->rt_mono.amounts_left[6] = 0xff;
1436		sc->rt_mono.amounts_left[7] = 0xff;
1437		if (mixer_init(dev, &emudspmixer_class, sc)) {
1438			device_printf(dev, "failed to initialize mixer\n");
1439			goto bad;
1440		}
1441		break;
1442	case RT_MCHRECORD:
1443		if (mixer_init(dev, &emuefxmixer_class, sc)) {
1444			device_printf(dev, "failed to initialize EFX mixer\n");
1445			goto bad;
1446		}
1447		break;
1448	default:
1449		device_printf(dev, "invalid default route\n");
1450		goto bad;
1451	}
1452
1453	inte = EMU_INTE_INTERTIMERENB;
1454	ipr = EMU_IPR_INTERVALTIMER; /* Used by playback & ADC */
1455	sc->ihandle = emu_intr_register(sc->card, inte, ipr, &emu_pcm_intr, sc);
1456
1457	if (emu_pcm_init(sc) == -1) {
1458		device_printf(dev, "unable to initialize PCM part of the card\n");
1459		goto bad;
1460	}
1461
1462	/*
1463	 * We don't register interrupt handler with snd_setup_intr
1464	 * in pcm device. Mark pcm device as MPSAFE manually.
1465	 */
1466	pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE);
1467
1468	/* XXX we should better get number of available channels from parent */
1469	if (pcm_register(dev, sc, (route == RT_FRONT) ? MAX_CHANNELS : 1, (route == RT_FRONT) ? 1 : 0)) {
1470		device_printf(dev, "can't register PCM channels!\n");
1471		goto bad;
1472	}
1473	sc->pnum = 0;
1474	if (route != RT_MCHRECORD)
1475		pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc);
1476	if (route == RT_FRONT) {
1477		for (i = 1; i < MAX_CHANNELS; i++)
1478			pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc);
1479		pcm_addchan(dev, PCMDIR_REC, &emurchan_class, sc);
1480	}
1481	if (route == RT_MCHRECORD)
1482		pcm_addchan(dev, PCMDIR_REC, &emufxrchan_class, sc);
1483
1484	snprintf(status, SND_STATUSLEN, "on %s", device_get_nameunit(device_get_parent(dev)));
1485	pcm_setstatus(dev, status);
1486
1487	return (0);
1488
1489bad:
1490	if (sc->codec)
1491		ac97_destroy(sc->codec);
1492	if (sc->lock)
1493		snd_mtxfree(sc->lock);
1494	free(sc, M_DEVBUF);
1495	return (ENXIO);
1496}
1497
1498static int
1499emu_pcm_detach(device_t dev)
1500{
1501	int r;
1502	struct emu_pcm_info *sc;
1503
1504	sc = pcm_getdevinfo(dev);
1505
1506	r = pcm_unregister(dev);
1507
1508	if (r) 	return (r);
1509
1510	emu_pcm_uninit(sc);
1511
1512	if (sc->lock)
1513		snd_mtxfree(sc->lock);
1514	free(sc, M_DEVBUF);
1515
1516	return (0);
1517}
1518
1519static device_method_t emu_pcm_methods[] = {
1520	DEVMETHOD(device_probe, emu_pcm_probe),
1521	DEVMETHOD(device_attach, emu_pcm_attach),
1522	DEVMETHOD(device_detach, emu_pcm_detach),
1523
1524	DEVMETHOD_END
1525};
1526
1527static driver_t emu_pcm_driver = {
1528	"pcm",
1529	emu_pcm_methods,
1530	PCM_SOFTC_SIZE,
1531	NULL,
1532	0,
1533	NULL
1534};
1535DRIVER_MODULE(snd_emu10kx_pcm, emu10kx, emu_pcm_driver, pcm_devclass, 0, 0);
1536MODULE_DEPEND(snd_emu10kx_pcm, snd_emu10kx, SND_EMU10KX_MINVER, SND_EMU10KX_PREFVER, SND_EMU10KX_MAXVER);
1537MODULE_DEPEND(snd_emu10kx_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1538MODULE_VERSION(snd_emu10kx_pcm, SND_EMU10KX_PREFVER);
1539