2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
5 * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/param.h>
33 #include <sys/types.h>
35 #include <machine/bus.h>
37 #include <sys/systm.h>
39 #include <sys/queue.h>
40 #include <sys/systm.h>
42 #include <sys/mutex.h>
44 #ifdef HAVE_KERNEL_OPTION_HEADERS
48 #include <dev/sound/chip.h>
49 #include <dev/sound/pcm/sound.h>
50 #include <dev/sound/pcm/ac97.h>
54 #include <dev/sound/pci/emuxkireg.h>
55 #include <dev/sound/pci/emu10kx.h>
57 struct emu_pcm_pchinfo {
62 struct emu_voice *master;
63 struct emu_voice *slave;
64 struct snd_dbuf *buffer;
65 struct pcm_channel *channel;
66 struct emu_pcm_info *pcm;
70 struct emu_pcm_rchinfo {
82 struct snd_dbuf *buffer;
83 struct pcm_channel *channel;
84 struct emu_pcm_info *pcm;
88 /* XXX Hardware playback channels */
89 #define MAX_CHANNELS 4
92 #error Too many hardware channels defined. 13 is the maximum
97 device_t dev; /* device information */
98 struct emu_sc_info *card;
99 struct emu_pcm_pchinfo pch[MAX_CHANNELS]; /* hardware channels */
100 int pnum; /* next free channel number */
101 struct emu_pcm_rchinfo rch_adc;
102 struct emu_pcm_rchinfo rch_efx;
104 struct emu_route rt_mono;
106 int ihandle; /* interrupt handler */
109 struct ac97_info *codec;
110 uint32_t ac97_state[0x7F];
111 kobj_class_t ac97_mixerclass;
112 uint32_t ac97_recdevs;
113 uint32_t ac97_playdevs;
114 struct snd_mixer *sm;
116 unsigned int emu10k1_volcache[2][2];
120 static uint32_t emu_rfmt_adc[] = {
121 SND_FORMAT(AFMT_S16_LE, 1, 0),
122 SND_FORMAT(AFMT_S16_LE, 2, 0),
125 static struct pcmchan_caps emu_reccaps_adc = {
126 8000, 48000, emu_rfmt_adc, 0
129 static uint32_t emu_rfmt_efx[] = {
130 SND_FORMAT(AFMT_S16_LE, 1, 0),
134 static struct pcmchan_caps emu_reccaps_efx_live = {
135 48000*32, 48000*32, emu_rfmt_efx, 0
138 static struct pcmchan_caps emu_reccaps_efx_audigy = {
139 48000*64, 48000*64, emu_rfmt_efx, 0
142 static int emu_rates_live[] = {
146 static int emu_rates_audigy[] = {
150 static uint32_t emu_pfmt[] = {
151 SND_FORMAT(AFMT_U8, 1, 0),
152 SND_FORMAT(AFMT_U8, 2, 0),
153 SND_FORMAT(AFMT_S16_LE, 1, 0),
154 SND_FORMAT(AFMT_S16_LE, 2, 0),
157 static uint32_t emu_pfmt_mono[] = {
158 SND_FORMAT(AFMT_U8, 1, 0),
159 SND_FORMAT(AFMT_S16_LE, 1, 0),
163 static struct pcmchan_caps emu_playcaps = {4000, 48000, emu_pfmt, 0};
164 static struct pcmchan_caps emu_playcaps_mono = {4000, 48000, emu_pfmt_mono, 0};
166 static int emu10k1_adcspeed[8] = {48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000};
167 /* audigy supports 12kHz. */
168 static int emu10k2_adcspeed[9] = {48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000};
170 static uint32_t emu_pcm_intr(void *pcm, uint32_t stat);
172 static const struct emu_dspmix_props_k1 {
176 } dspmix_k1 [SOUND_MIXER_NRDEVICES] = {
177 /* no mixer device for ac97 */ /* in0 AC97 */
178 [SOUND_MIXER_DIGITAL1] = {1, 1, 1}, /* in1 CD SPDIF */
179 /* not connected */ /* in2 (zoom) */
180 [SOUND_MIXER_DIGITAL2] = {1, 1, 3}, /* in3 toslink */
181 [SOUND_MIXER_LINE2] = {1, 1, 4}, /* in4 Line-In2 */
182 [SOUND_MIXER_DIGITAL3] = {1, 1, 5}, /* in5 on-card SPDIF */
183 [SOUND_MIXER_LINE3] = {1, 1, 6}, /* in6 AUX2 */
184 /* not connected */ /* in7 */
186 static const struct emu_dspmix_props_k2 {
190 } dspmix_k2 [SOUND_MIXER_NRDEVICES] = {
191 [SOUND_MIXER_VOLUME] = {1, 0, (-1)},
192 [SOUND_MIXER_PCM] = {1, 0, (-1)},
194 /* no mixer device */ /* in0 AC97 */
195 [SOUND_MIXER_DIGITAL1] = {1, 1, 1}, /* in1 CD SPDIF */
196 [SOUND_MIXER_DIGITAL2] = {1, 1, 2}, /* in2 COAX SPDIF */
197 /* not connected */ /* in3 */
198 [SOUND_MIXER_LINE2] = {1, 1, 4}, /* in4 Line-In2 */
199 [SOUND_MIXER_DIGITAL3] = {1, 1, 5}, /* in5 on-card SPDIF */
200 [SOUND_MIXER_LINE3] = {1, 1, 6}, /* in6 AUX2 */
201 /* not connected */ /* in7 */
205 emu_dspmixer_init(struct snd_mixer *m)
207 struct emu_pcm_info *sc;
214 sc = mix_getdevinfo(m);
216 if (sc->route == RT_FRONT) {
217 /* create submixer for AC97 codec */
218 if ((sc->ac97_mixerclass != NULL) && (sc->codec != NULL)) {
219 sc->sm = mixer_create(sc->dev, sc->ac97_mixerclass, sc->codec, "ac97");
220 if (sc->sm != NULL) {
221 p = mix_getdevs(sc->sm);
222 r = mix_getrecdevs(sc->sm);
226 sc->ac97_playdevs = p;
227 sc->ac97_recdevs = r;
230 /* This two are always here */
231 p |= (1 << SOUND_MIXER_PCM);
232 p |= (1 << SOUND_MIXER_VOLUME);
234 if (sc->route == RT_FRONT) {
235 if (sc->is_emu10k1) {
236 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
237 if (dspmix_k1[i].present)
239 if (dspmix_k1[i].recdev)
243 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
244 if (dspmix_k2[i].present)
246 if (dspmix_k2[i].recdev)
253 mix_setrecdevs(m, r);
259 emu_dspmixer_uninit(struct snd_mixer *m)
261 struct emu_pcm_info *sc;
264 /* drop submixer for AC97 codec */
265 sc = mix_getdevinfo(m);
267 err = mixer_delete(sc->sm);
275 emu_dspmixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
277 struct emu_pcm_info *sc;
279 sc = mix_getdevinfo(m);
282 case SOUND_MIXER_VOLUME:
286 mix_set(sc->sm, dev, left, right);
287 if (sc->mch_disabled) {
288 /* In emu10k1 case PCM volume does not affect
289 sound routed to rear & center/sub (it is connected
290 to AC97 codec). Calculate it manually. */
291 /* This really should belong to emu10kx.c */
292 if (sc->is_emu10k1) {
293 sc->emu10k1_volcache[0][0] = left;
294 left = left * sc->emu10k1_volcache[1][0] / 100;
295 sc->emu10k1_volcache[0][1] = right;
296 right = right * sc->emu10k1_volcache[1][1] / 100;
299 emumix_set_volume(sc->card, M_MASTER_REAR_L, left);
300 emumix_set_volume(sc->card, M_MASTER_REAR_R, right);
301 if (!sc->is_emu10k1) {
302 emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2);
303 emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2);
309 emumix_set_volume(sc->card, M_MASTER_REAR_L, left);
310 emumix_set_volume(sc->card, M_MASTER_REAR_R, right);
313 emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2);
316 emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2);
320 case SOUND_MIXER_PCM:
324 mix_set(sc->sm, dev, left, right);
325 if (sc->mch_disabled) {
326 /* See SOUND_MIXER_VOLUME case */
327 if (sc->is_emu10k1) {
328 sc->emu10k1_volcache[1][0] = left;
329 left = left * sc->emu10k1_volcache[0][0] / 100;
330 sc->emu10k1_volcache[1][1] = right;
331 right = right * sc->emu10k1_volcache[0][1] / 100;
333 emumix_set_volume(sc->card, M_MASTER_REAR_L, left);
334 emumix_set_volume(sc->card, M_MASTER_REAR_R, right);
336 if (!sc->is_emu10k1) {
337 emumix_set_volume(sc->card, M_MASTER_CENTER, (left+right)/2);
338 emumix_set_volume(sc->card, M_MASTER_SUBWOOFER, (left+right)/2);
344 emumix_set_volume(sc->card, M_FX2_REAR_L, left);
345 emumix_set_volume(sc->card, M_FX3_REAR_R, right);
348 emumix_set_volume(sc->card, M_FX4_CENTER, (left+right)/2);
351 emumix_set_volume(sc->card, M_FX5_SUBWOOFER, (left+right)/2);
355 case SOUND_MIXER_DIGITAL1: /* CD SPDIF, in1 */
356 emumix_set_volume(sc->card, M_IN1_FRONT_L, left);
357 emumix_set_volume(sc->card, M_IN1_FRONT_R, right);
359 case SOUND_MIXER_DIGITAL2:
360 if (sc->is_emu10k1) {
362 emumix_set_volume(sc->card, M_IN3_FRONT_L, left);
363 emumix_set_volume(sc->card, M_IN3_FRONT_R, right);
365 /* COAX SPDIF, in2 */
366 emumix_set_volume(sc->card, M_IN2_FRONT_L, left);
367 emumix_set_volume(sc->card, M_IN2_FRONT_R, right);
370 case SOUND_MIXER_LINE2: /* Line-In2, in4 */
371 emumix_set_volume(sc->card, M_IN4_FRONT_L, left);
372 emumix_set_volume(sc->card, M_IN4_FRONT_R, right);
374 case SOUND_MIXER_DIGITAL3: /* on-card SPDIF, in5 */
375 emumix_set_volume(sc->card, M_IN5_FRONT_L, left);
376 emumix_set_volume(sc->card, M_IN5_FRONT_R, right);
378 case SOUND_MIXER_LINE3: /* AUX2, in6 */
379 emumix_set_volume(sc->card, M_IN6_FRONT_L, left);
380 emumix_set_volume(sc->card, M_IN6_FRONT_R, right);
383 if (sc->sm != NULL) {
384 /* XXX emumix_set_volume is not required here */
385 emumix_set_volume(sc->card, M_IN0_FRONT_L, 100);
386 emumix_set_volume(sc->card, M_IN0_FRONT_R, 100);
387 mix_set(sc->sm, dev, left, right);
389 device_printf(sc->dev, "mixer error: unknown device %d\n", dev);
395 emu_dspmixer_setrecsrc(struct snd_mixer *m, u_int32_t src)
397 struct emu_pcm_info *sc;
402 sc = mix_getdevinfo(m);
404 for (i=0; i < 8; i++)
408 if ((src & sc->ac97_recdevs) !=0)
409 if (mix_setrecsrc(sc->sm, src & sc->ac97_recdevs) == 0) {
410 recmask |= (src & sc->ac97_recdevs);
411 /* Recording from AC97 codec.
412 Enable AC97 route to rec on DSP */
415 if (sc->is_emu10k1) {
416 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
417 if (dspmix_k1[i].recdev)
418 if ((src & (1 << i)) == ((uint32_t)1 << i)) {
420 /* enable device i */
421 input[dspmix_k1[i].input] = 1;
425 for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
426 if (dspmix_k2[i].recdev)
427 if ((src & (1 << i)) == ((uint32_t)1 << i)) {
429 /* enable device i */
430 input[dspmix_k2[i].input] = 1;
434 emumix_set_volume(sc->card, M_IN0_REC_L, input[0] == 1 ? 100 : 0);
435 emumix_set_volume(sc->card, M_IN0_REC_R, input[0] == 1 ? 100 : 0);
437 emumix_set_volume(sc->card, M_IN1_REC_L, input[1] == 1 ? 100 : 0);
438 emumix_set_volume(sc->card, M_IN1_REC_R, input[1] == 1 ? 100 : 0);
440 if (!sc->is_emu10k1) {
441 emumix_set_volume(sc->card, M_IN2_REC_L, input[2] == 1 ? 100 : 0);
442 emumix_set_volume(sc->card, M_IN2_REC_R, input[2] == 1 ? 100 : 0);
445 if (sc->is_emu10k1) {
446 emumix_set_volume(sc->card, M_IN3_REC_L, input[3] == 1 ? 100 : 0);
447 emumix_set_volume(sc->card, M_IN3_REC_R, input[3] == 1 ? 100 : 0);
450 emumix_set_volume(sc->card, M_IN4_REC_L, input[4] == 1 ? 100 : 0);
451 emumix_set_volume(sc->card, M_IN4_REC_R, input[4] == 1 ? 100 : 0);
453 emumix_set_volume(sc->card, M_IN5_REC_L, input[5] == 1 ? 100 : 0);
454 emumix_set_volume(sc->card, M_IN5_REC_R, input[5] == 1 ? 100 : 0);
456 emumix_set_volume(sc->card, M_IN6_REC_L, input[6] == 1 ? 100 : 0);
457 emumix_set_volume(sc->card, M_IN6_REC_R, input[6] == 1 ? 100 : 0);
459 /* XXX check for K1/k2 differences? */
460 if ((src & (1 << SOUND_MIXER_PCM)) == (1 << SOUND_MIXER_PCM)) {
461 emumix_set_volume(sc->card, M_FX0_REC_L, emumix_get_volume(sc->card, M_FX0_FRONT_L));
462 emumix_set_volume(sc->card, M_FX1_REC_R, emumix_get_volume(sc->card, M_FX1_FRONT_R));
464 emumix_set_volume(sc->card, M_FX0_REC_L, 0);
465 emumix_set_volume(sc->card, M_FX1_REC_R, 0);
471 static kobj_method_t emudspmixer_methods[] = {
472 KOBJMETHOD(mixer_init, emu_dspmixer_init),
473 KOBJMETHOD(mixer_uninit, emu_dspmixer_uninit),
474 KOBJMETHOD(mixer_set, emu_dspmixer_set),
475 KOBJMETHOD(mixer_setrecsrc, emu_dspmixer_setrecsrc),
478 MIXER_DECLARE(emudspmixer);
481 emu_efxmixer_init(struct snd_mixer *m)
483 mix_setdevs(m, SOUND_MASK_VOLUME);
484 mix_setrecdevs(m, SOUND_MASK_MONITOR);
489 emu_efxmixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
491 if (left + right == 200) return (0);
496 emu_efxmixer_setrecsrc(struct snd_mixer *m __unused, u_int32_t src __unused)
498 return (SOUND_MASK_MONITOR);
501 static kobj_method_t emuefxmixer_methods[] = {
502 KOBJMETHOD(mixer_init, emu_efxmixer_init),
503 KOBJMETHOD(mixer_set, emu_efxmixer_set),
504 KOBJMETHOD(mixer_setrecsrc, emu_efxmixer_setrecsrc),
507 MIXER_DECLARE(emuefxmixer);
510 * AC97 emulation code for Audigy and later cards.
511 * Some parts of AC97 codec are not used by hardware, but can be used
512 * to change some DSP controls via AC97 mixer interface. This includes:
513 * - master volume controls MASTER_FRONT_[R|L]
514 * - pcm volume controls FX[0|1]_FRONT_[R|L]
515 * - rec volume controls MASTER_REC_[R|L]
516 * We do it because we need to put it under user control....
517 * We also keep some parts of AC97 disabled to get better sound quality
520 #define AC97LEFT(x) ((x & 0x7F00)>>8)
521 #define AC97RIGHT(x) (x & 0x007F)
522 #define AC97MUTE(x) ((x & 0x8000)>>15)
523 #define BIT4_TO100(x) (100-(x)*100/(0x0f))
524 #define BIT6_TO100(x) (100-(x)*100/(0x3f))
525 #define BIT4_TO255(x) (255-(x)*255/(0x0f))
526 #define BIT6_TO255(x) (255-(x)*255/(0x3f))
527 #define V100_TOBIT6(x) (0x3f*(100-x)/100)
528 #define V100_TOBIT4(x) (0x0f*(100-x)/100)
529 #define AC97ENCODE(x_muted, x_left, x_right) (((x_muted & 1)<<15) | ((x_left & 0x3f)<<8) | (x_right & 0x3f))
532 emu_ac97_read_emulation(struct emu_pcm_info *sc, int regno)
542 case AC97_MIX_MASTER:
543 emulated = sc->ac97_state[AC97_MIX_MASTER];
547 emulated = sc->ac97_state[AC97_MIX_PCM];
550 case AC97_REG_RECSEL:
555 emulated = sc->ac97_state[AC97_MIX_RGAIN];
560 emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
561 tmp = emu_rd(sc->card, EMU_AC97DATA, 2);
570 emu_ac97_write_emulation(struct emu_pcm_info *sc, int regno, uint32_t data)
574 uint32_t emu_left, emu_right;
579 left = AC97LEFT(data);
580 emu_left = BIT6_TO100(left); /* We show us as 6-bit AC97 mixer */
581 right = AC97RIGHT(data);
582 emu_right = BIT6_TO100(right);
583 is_mute = AC97MUTE(data);
585 emu_left = emu_right = 0;
588 /* TODO: reset emulator on AC97_RESET */
589 case AC97_MIX_MASTER:
590 emumix_set_volume(sc->card, M_MASTER_FRONT_L, emu_left);
591 emumix_set_volume(sc->card, M_MASTER_FRONT_R, emu_right);
592 sc->ac97_state[AC97_MIX_MASTER] = data & (0x8000 | 0x3f3f);
593 data = 0x8000; /* Mute AC97 main out */
595 case AC97_MIX_PCM: /* PCM OUT VOL */
596 emumix_set_volume(sc->card, M_FX0_FRONT_L, emu_left);
597 emumix_set_volume(sc->card, M_FX1_FRONT_R, emu_right);
598 sc->ac97_state[AC97_MIX_PCM] = data & (0x8000 | 0x3f3f);
599 data = 0x8000; /* Mute AC97 PCM out */
601 case AC97_REG_RECSEL:
603 * PCM recording source is set to "stereo mix" (labeled "vol"
604 * in mixer). There is no 'playback' from AC97 codec -
605 * if you want to hear anything from AC97 you have to _record_
606 * it. Keep things simple and record "stereo mix".
610 case AC97_MIX_RGAIN: /* RECORD GAIN */
611 emu_left = BIT4_TO100(left); /* rgain is 4-bit */
612 emu_right = BIT4_TO100(right);
613 emumix_set_volume(sc->card, M_MASTER_REC_L, 100-emu_left);
614 emumix_set_volume(sc->card, M_MASTER_REC_R, 100-emu_right);
616 * Record gain on AC97 should stay zero to get AC97 sound on
617 * AC97_[RL] connectors on EMU10K2 chip. AC97 on Audigy is not
618 * directly connected to any output, only to EMU10K2 chip Use
619 * this control to set AC97 mix volume inside EMU10K2 chip
621 sc->ac97_state[AC97_MIX_RGAIN] = data & (0x8000 | 0x0f0f);
626 emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
627 emu_wr(sc->card, EMU_AC97DATA, data, 2);
632 emu_erdcd(kobj_t obj __unused, void *devinfo, int regno)
634 struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
636 return (emu_ac97_read_emulation(sc, regno));
640 emu_ewrcd(kobj_t obj __unused, void *devinfo, int regno, uint32_t data)
642 struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
644 emu_ac97_write_emulation(sc, regno, data);
648 static kobj_method_t emu_eac97_methods[] = {
649 KOBJMETHOD(ac97_read, emu_erdcd),
650 KOBJMETHOD(ac97_write, emu_ewrcd),
653 AC97_DECLARE(emu_eac97);
655 /* real ac97 codec */
657 emu_rdcd(kobj_t obj __unused, void *devinfo, int regno)
660 struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
662 KASSERT(sc->card != NULL, ("emu_rdcd: no soundcard"));
663 emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
664 rd = emu_rd(sc->card, EMU_AC97DATA, 2);
669 emu_wrcd(kobj_t obj __unused, void *devinfo, int regno, uint32_t data)
671 struct emu_pcm_info *sc = (struct emu_pcm_info *)devinfo;
673 KASSERT(sc->card != NULL, ("emu_wrcd: no soundcard"));
674 emu_wr(sc->card, EMU_AC97ADDR, regno, 1);
675 emu_wr(sc->card, EMU_AC97DATA, data, 2);
679 static kobj_method_t emu_ac97_methods[] = {
680 KOBJMETHOD(ac97_read, emu_rdcd),
681 KOBJMETHOD(ac97_write, emu_wrcd),
684 AC97_DECLARE(emu_ac97);
688 emu_k1_recval(int speed)
693 while ((val < 7) && (speed < emu10k1_adcspeed[val]))
699 emu_k2_recval(int speed)
704 while ((val < 8) && (speed < emu10k2_adcspeed[val]))
710 emupchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused)
712 struct emu_pcm_info *sc = devinfo;
713 struct emu_pcm_pchinfo *ch;
716 KASSERT(dir == PCMDIR_PLAY, ("emupchan_init: bad direction"));
717 KASSERT(sc->card != NULL, ("empchan_init: no soundcard"));
720 if (sc->pnum >= MAX_CHANNELS)
722 ch = &(sc->pch[sc->pnum++]);
726 ch->blksz = sc->bufsz;
727 ch->fmt = SND_FORMAT(AFMT_U8, 1, 0);
729 ch->master = emu_valloc(sc->card);
731 * XXX we have to allocate slave even for mono channel until we
732 * fix emu_vfree to handle this case.
734 ch->slave = emu_valloc(sc->card);
735 ch->timer = emu_timer_create(sc->card);
736 r = (emu_vinit(sc->card, ch->master, ch->slave, EMU_PLAY_BUFSZ, ch->buffer)) ? NULL : ch;
741 emupchan_free(kobj_t obj __unused, void *c_devinfo)
743 struct emu_pcm_pchinfo *ch = c_devinfo;
744 struct emu_pcm_info *sc = ch->pcm;
746 emu_timer_clear(sc->card, ch->timer);
747 if (ch->slave != NULL)
748 emu_vfree(sc->card, ch->slave);
749 emu_vfree(sc->card, ch->master);
754 emupchan_setformat(kobj_t obj __unused, void *c_devinfo, uint32_t format)
756 struct emu_pcm_pchinfo *ch = c_devinfo;
763 emupchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed)
765 struct emu_pcm_pchinfo *ch = c_devinfo;
772 emupchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize)
774 struct emu_pcm_pchinfo *ch = c_devinfo;
775 struct emu_pcm_info *sc = ch->pcm;
777 if (blocksize > ch->pcm->bufsz)
778 blocksize = ch->pcm->bufsz;
779 snd_mtxlock(sc->lock);
780 ch->blksz = blocksize;
781 emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer));
782 snd_mtxunlock(sc->lock);
787 emupchan_trigger(kobj_t obj __unused, void *c_devinfo, int go)
789 struct emu_pcm_pchinfo *ch = c_devinfo;
790 struct emu_pcm_info *sc = ch->pcm;
792 if (!PCMTRIG_COMMON(go))
795 snd_mtxlock(sc->lock); /* XXX can we trigger on parallel threads ? */
796 if (go == PCMTRIG_START) {
797 emu_vsetup(ch->master, ch->fmt, ch->spd);
798 if (AFMT_CHANNEL(ch->fmt) > 1)
799 emu_vroute(sc->card, &(sc->rt), ch->master);
801 emu_vroute(sc->card, &(sc->rt_mono), ch->master);
802 emu_vwrite(sc->card, ch->master);
803 emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer));
804 emu_timer_enable(sc->card, ch->timer, 1);
806 /* PCM interrupt handler will handle PCMTRIG_STOP event */
807 ch->run = (go == PCMTRIG_START) ? 1 : 0;
808 emu_vtrigger(sc->card, ch->master, ch->run);
809 snd_mtxunlock(sc->lock);
814 emupchan_getptr(kobj_t obj __unused, void *c_devinfo)
816 struct emu_pcm_pchinfo *ch = c_devinfo;
817 struct emu_pcm_info *sc = ch->pcm;
820 r = emu_vpos(sc->card, ch->master);
825 static struct pcmchan_caps *
826 emupchan_getcaps(kobj_t obj __unused, void *c_devinfo __unused)
828 struct emu_pcm_pchinfo *ch = c_devinfo;
829 struct emu_pcm_info *sc = ch->pcm;
837 return (&emu_playcaps);
842 return (&emu_playcaps_mono);
848 static kobj_method_t emupchan_methods[] = {
849 KOBJMETHOD(channel_init, emupchan_init),
850 KOBJMETHOD(channel_free, emupchan_free),
851 KOBJMETHOD(channel_setformat, emupchan_setformat),
852 KOBJMETHOD(channel_setspeed, emupchan_setspeed),
853 KOBJMETHOD(channel_setblocksize, emupchan_setblocksize),
854 KOBJMETHOD(channel_trigger, emupchan_trigger),
855 KOBJMETHOD(channel_getptr, emupchan_getptr),
856 KOBJMETHOD(channel_getcaps, emupchan_getcaps),
859 CHANNEL_DECLARE(emupchan);
862 emurchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused)
864 struct emu_pcm_info *sc = devinfo;
865 struct emu_pcm_rchinfo *ch;
867 KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction"));
872 ch->blksz = sc->bufsz / 2; /* We rise interrupt for half-full buffer */
873 ch->fmt = SND_FORMAT(AFMT_U8, 1, 0);
875 ch->idxreg = sc->is_emu10k1 ? EMU_ADCIDX : EMU_A_ADCIDX;
876 ch->basereg = EMU_ADCBA;
877 ch->sizereg = EMU_ADCBS;
878 ch->setupreg = EMU_ADCCR;
879 ch->irqmask = EMU_INTE_ADCBUFENABLE;
880 ch->iprmask = EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL;
882 if (sndbuf_alloc(ch->buffer, emu_gettag(sc->card), 0, sc->bufsz) != 0)
885 ch->timer = emu_timer_create(sc->card);
886 emu_wrptr(sc->card, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer));
887 emu_wrptr(sc->card, 0, ch->sizereg, 0); /* off */
893 emurchan_free(kobj_t obj __unused, void *c_devinfo)
895 struct emu_pcm_rchinfo *ch = c_devinfo;
896 struct emu_pcm_info *sc = ch->pcm;
898 emu_timer_clear(sc->card, ch->timer);
903 emurchan_setformat(kobj_t obj __unused, void *c_devinfo, uint32_t format)
905 struct emu_pcm_rchinfo *ch = c_devinfo;
912 emurchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed)
914 struct emu_pcm_rchinfo *ch = c_devinfo;
916 if (ch->pcm->is_emu10k1) {
917 speed = emu10k1_adcspeed[emu_k1_recval(speed)];
919 speed = emu10k2_adcspeed[emu_k2_recval(speed)];
926 emurchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize)
928 struct emu_pcm_rchinfo *ch = c_devinfo;
929 struct emu_pcm_info *sc = ch->pcm;
931 ch->blksz = blocksize;
933 * If blocksize is less than half of buffer size we will not get
934 * BUFHALFFULL interrupt in time and channel will need to generate
935 * (and use) timer interrupts. Otherwise channel will be marked dead.
937 if (ch->blksz < (ch->pcm->bufsz / 2)) {
938 emu_timer_set(sc->card, ch->timer, ch->blksz / sndbuf_getalign(ch->buffer));
939 emu_timer_enable(sc->card, ch->timer, 1);
941 emu_timer_enable(sc->card, ch->timer, 0);
947 emurchan_trigger(kobj_t obj __unused, void *c_devinfo, int go)
949 struct emu_pcm_rchinfo *ch = c_devinfo;
950 struct emu_pcm_info *sc = ch->pcm;
953 if (!PCMTRIG_COMMON(go))
958 sz = EMU_RECBS_BUFSIZE_4096;
961 sz = EMU_RECBS_BUFSIZE_8192;
964 sz = EMU_RECBS_BUFSIZE_16384;
967 sz = EMU_RECBS_BUFSIZE_32768;
970 sz = EMU_RECBS_BUFSIZE_65536;
973 sz = EMU_RECBS_BUFSIZE_4096;
976 snd_mtxlock(sc->lock);
980 emu_wrptr(sc->card, 0, ch->sizereg, sz);
981 val = sc->is_emu10k1 ? EMU_ADCCR_LCHANENABLE : EMU_A_ADCCR_LCHANENABLE;
982 if (AFMT_CHANNEL(ch->fmt) > 1)
983 val |= sc->is_emu10k1 ? EMU_ADCCR_RCHANENABLE : EMU_A_ADCCR_RCHANENABLE;
984 val |= sc->is_emu10k1 ? emu_k1_recval(ch->spd) : emu_k2_recval(ch->spd);
985 emu_wrptr(sc->card, 0, ch->setupreg, 0);
986 emu_wrptr(sc->card, 0, ch->setupreg, val);
987 ch->ihandle = emu_intr_register(sc->card, ch->irqmask, ch->iprmask, &emu_pcm_intr, sc);
993 emu_wrptr(sc->card, 0, ch->sizereg, 0);
995 emu_wrptr(sc->card, 0, ch->setupreg, 0);
996 (void)emu_intr_unregister(sc->card, ch->ihandle);
998 case PCMTRIG_EMLDMAWR:
1000 case PCMTRIG_EMLDMARD:
1005 snd_mtxunlock(sc->lock);
1011 emurchan_getptr(kobj_t obj __unused, void *c_devinfo)
1013 struct emu_pcm_rchinfo *ch = c_devinfo;
1014 struct emu_pcm_info *sc = ch->pcm;
1017 r = emu_rdptr(sc->card, 0, ch->idxreg) & 0x0000ffff;
1022 static struct pcmchan_caps *
1023 emurchan_getcaps(kobj_t obj __unused, void *c_devinfo __unused)
1025 return (&emu_reccaps_adc);
1028 static kobj_method_t emurchan_methods[] = {
1029 KOBJMETHOD(channel_init, emurchan_init),
1030 KOBJMETHOD(channel_free, emurchan_free),
1031 KOBJMETHOD(channel_setformat, emurchan_setformat),
1032 KOBJMETHOD(channel_setspeed, emurchan_setspeed),
1033 KOBJMETHOD(channel_setblocksize, emurchan_setblocksize),
1034 KOBJMETHOD(channel_trigger, emurchan_trigger),
1035 KOBJMETHOD(channel_getptr, emurchan_getptr),
1036 KOBJMETHOD(channel_getcaps, emurchan_getcaps),
1039 CHANNEL_DECLARE(emurchan);
1042 emufxrchan_init(kobj_t obj __unused, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir __unused)
1044 struct emu_pcm_info *sc = devinfo;
1045 struct emu_pcm_rchinfo *ch;
1047 KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction"));
1049 if (sc == NULL) return (NULL);
1051 ch = &(sc->rch_efx);
1052 ch->fmt = SND_FORMAT(AFMT_S16_LE, 1, 0);
1053 ch->spd = sc->is_emu10k1 ? 48000*32 : 48000 * 64;
1054 ch->idxreg = EMU_FXIDX;
1055 ch->basereg = EMU_FXBA;
1056 ch->sizereg = EMU_FXBS;
1057 ch->irqmask = EMU_INTE_EFXBUFENABLE;
1058 ch->iprmask = EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL;
1062 ch->blksz = sc->bufsz / 2;
1064 if (sndbuf_alloc(ch->buffer, emu_gettag(sc->card), 0, sc->bufsz) != 0)
1067 emu_wrptr(sc->card, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer));
1068 emu_wrptr(sc->card, 0, ch->sizereg, 0); /* off */
1074 emufxrchan_setformat(kobj_t obj __unused, void *c_devinfo __unused, uint32_t format)
1076 if (format == SND_FORMAT(AFMT_S16_LE, 1, 0)) return (0);
1081 emufxrchan_setspeed(kobj_t obj __unused, void *c_devinfo, uint32_t speed)
1083 struct emu_pcm_rchinfo *ch = c_devinfo;
1085 /* FIXED RATE CHANNEL */
1090 emufxrchan_setblocksize(kobj_t obj __unused, void *c_devinfo, uint32_t blocksize)
1092 struct emu_pcm_rchinfo *ch = c_devinfo;
1094 ch->blksz = blocksize;
1096 * XXX If blocksize is less than half of buffer size we will not get
1097 * interrupt in time and channel will die due to interrupt timeout.
1098 * This should not happen with FX rchan, because it will fill buffer
1099 * very fast (64K buffer is 0.021seconds on Audigy).
1101 if (ch->blksz < (ch->pcm->bufsz / 2))
1102 ch->blksz = ch->pcm->bufsz / 2;
1107 emufxrchan_trigger(kobj_t obj __unused, void *c_devinfo, int go)
1109 struct emu_pcm_rchinfo *ch = c_devinfo;
1110 struct emu_pcm_info *sc = ch->pcm;
1113 if (!PCMTRIG_COMMON(go))
1116 switch (sc->bufsz) {
1118 sz = EMU_RECBS_BUFSIZE_4096;
1121 sz = EMU_RECBS_BUFSIZE_8192;
1124 sz = EMU_RECBS_BUFSIZE_16384;
1127 sz = EMU_RECBS_BUFSIZE_32768;
1130 sz = EMU_RECBS_BUFSIZE_65536;
1133 sz = EMU_RECBS_BUFSIZE_4096;
1136 snd_mtxlock(sc->lock);
1140 emu_wrptr(sc->card, 0, ch->sizereg, sz);
1141 ch->ihandle = emu_intr_register(sc->card, ch->irqmask, ch->iprmask, &emu_pcm_intr, sc);
1143 * SB Live! is limited to 32 mono channels. Audigy
1144 * has 64 mono channels. Channels are enabled
1145 * by setting a bit in EMU_A_FXWC[1|2] registers.
1147 /* XXX there is no way to demultiplex this streams for now */
1148 if (sc->is_emu10k1) {
1149 emu_wrptr(sc->card, 0, EMU_FXWC, 0xffffffff);
1151 emu_wrptr(sc->card, 0, EMU_A_FXWC1, 0xffffffff);
1152 emu_wrptr(sc->card, 0, EMU_A_FXWC2, 0xffffffff);
1159 if (sc->is_emu10k1) {
1160 emu_wrptr(sc->card, 0, EMU_FXWC, 0x0);
1162 emu_wrptr(sc->card, 0, EMU_A_FXWC1, 0x0);
1163 emu_wrptr(sc->card, 0, EMU_A_FXWC2, 0x0);
1165 emu_wrptr(sc->card, 0, ch->sizereg, 0);
1166 (void)emu_intr_unregister(sc->card, ch->ihandle);
1168 case PCMTRIG_EMLDMAWR:
1170 case PCMTRIG_EMLDMARD:
1175 snd_mtxunlock(sc->lock);
1181 emufxrchan_getptr(kobj_t obj __unused, void *c_devinfo)
1183 struct emu_pcm_rchinfo *ch = c_devinfo;
1184 struct emu_pcm_info *sc = ch->pcm;
1187 r = emu_rdptr(sc->card, 0, ch->idxreg) & 0x0000ffff;
1192 static struct pcmchan_caps *
1193 emufxrchan_getcaps(kobj_t obj __unused, void *c_devinfo)
1195 struct emu_pcm_rchinfo *ch = c_devinfo;
1196 struct emu_pcm_info *sc = ch->pcm;
1199 return (&emu_reccaps_efx_live);
1200 return (&emu_reccaps_efx_audigy);
1205 emufxrchan_getrates(kobj_t obj __unused, void *c_devinfo, int **rates)
1207 struct emu_pcm_rchinfo *ch = c_devinfo;
1208 struct emu_pcm_info *sc = ch->pcm;
1211 *rates = emu_rates_live;
1213 *rates = emu_rates_audigy;
1218 static kobj_method_t emufxrchan_methods[] = {
1219 KOBJMETHOD(channel_init, emufxrchan_init),
1220 KOBJMETHOD(channel_setformat, emufxrchan_setformat),
1221 KOBJMETHOD(channel_setspeed, emufxrchan_setspeed),
1222 KOBJMETHOD(channel_setblocksize, emufxrchan_setblocksize),
1223 KOBJMETHOD(channel_trigger, emufxrchan_trigger),
1224 KOBJMETHOD(channel_getptr, emufxrchan_getptr),
1225 KOBJMETHOD(channel_getcaps, emufxrchan_getcaps),
1226 KOBJMETHOD(channel_getrates, emufxrchan_getrates),
1229 CHANNEL_DECLARE(emufxrchan);
1233 emu_pcm_intr(void *pcm, uint32_t stat)
1235 struct emu_pcm_info *sc = (struct emu_pcm_info *)pcm;
1241 snd_mtxlock(sc->lock);
1243 if (stat & EMU_IPR_INTERVALTIMER) {
1244 ack |= EMU_IPR_INTERVALTIMER;
1245 for (i = 0; i < MAX_CHANNELS; i++)
1246 if (sc->pch[i].channel) {
1247 if (sc->pch[i].run == 1) {
1248 snd_mtxunlock(sc->lock);
1249 chn_intr(sc->pch[i].channel);
1250 snd_mtxlock(sc->lock);
1252 emu_timer_enable(sc->card, sc->pch[i].timer, 0);
1254 /* ADC may install timer to get low-latency interrupts */
1255 if ((sc->rch_adc.channel) && (sc->rch_adc.run)) {
1256 snd_mtxunlock(sc->lock);
1257 chn_intr(sc->rch_adc.channel);
1258 snd_mtxlock(sc->lock);
1261 * EFX does not use timer, because it will fill
1262 * buffer at least 32x times faster than ADC.
1267 if (stat & (EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL)) {
1268 ack |= stat & (EMU_IPR_ADCBUFFULL | EMU_IPR_ADCBUFHALFFULL);
1269 if (sc->rch_adc.channel) {
1270 snd_mtxunlock(sc->lock);
1271 chn_intr(sc->rch_adc.channel);
1272 snd_mtxlock(sc->lock);
1276 if (stat & (EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL)) {
1277 ack |= stat & (EMU_IPR_EFXBUFFULL | EMU_IPR_EFXBUFHALFFULL);
1278 if (sc->rch_efx.channel) {
1279 snd_mtxunlock(sc->lock);
1280 chn_intr(sc->rch_efx.channel);
1281 snd_mtxlock(sc->lock);
1284 snd_mtxunlock(sc->lock);
1290 emu_pcm_init(struct emu_pcm_info *sc)
1292 sc->bufsz = pcm_getbuffersize(sc->dev, EMUPAGESIZE, EMU_REC_BUFSZ, EMU_MAX_BUFSZ);
1297 emu_pcm_uninit(struct emu_pcm_info *sc __unused)
1303 emu_pcm_probe(device_t dev)
1305 uintptr_t func, route, r;
1309 r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_FUNC, &func);
1311 if (func != SCF_PCM)
1315 r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ROUTE, &route);
1333 rt = "multichannel recording";
1337 snprintf(buffer, 255, "EMU10Kx DSP %s PCM interface", rt);
1338 device_set_desc_copy(dev, buffer);
1343 emu_pcm_attach(device_t dev)
1345 struct emu_pcm_info *sc;
1347 char status[SND_STATUSLEN];
1349 uintptr_t route, r, ivar;
1351 sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO);
1352 sc->card = (struct emu_sc_info *)(device_get_softc(device_get_parent(dev)));
1353 if (sc->card == NULL) {
1354 device_printf(dev, "cannot get bridge conf\n");
1359 sc->lock = snd_mtxcreate(device_get_nameunit(dev), "snd_emu10kx pcm softc");
1362 r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ISEMU10K1, &ivar);
1363 sc->is_emu10k1 = ivar ? 1 : 0;
1365 r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_MCH_DISABLED, &ivar);
1366 sc->mch_disabled = ivar ? 1 : 0;
1370 for (i = 0; i < 8; i++) {
1371 sc->rt.routing_left[i] = i;
1372 sc->rt.amounts_left[i] = 0x00;
1373 sc->rt.routing_right[i] = i;
1374 sc->rt.amounts_right[i] = 0x00;
1377 for (i = 0; i < 8; i++) {
1378 sc->rt_mono.routing_left[i] = i;
1379 sc->rt_mono.amounts_left[i] = 0x00;
1380 sc->rt_mono.routing_right[i] = i;
1381 sc->rt_mono.amounts_right[i] = 0x00;
1384 sc->emu10k1_volcache[0][0] = 75;
1385 sc->emu10k1_volcache[1][0] = 75;
1386 sc->emu10k1_volcache[0][1] = 75;
1387 sc->emu10k1_volcache[1][1] = 75;
1388 r = BUS_READ_IVAR(device_get_parent(dev), dev, EMU_VAR_ROUTE, &route);
1392 sc->rt.amounts_left[0] = 0xff;
1393 sc->rt.amounts_right[1] = 0xff;
1394 sc->rt_mono.amounts_left[0] = 0xff;
1395 sc->rt_mono.amounts_left[1] = 0xff;
1397 sc->codec = AC97_CREATE(dev, sc, emu_ac97);
1399 sc->codec = AC97_CREATE(dev, sc, emu_eac97);
1400 sc->ac97_mixerclass = NULL;
1401 if (sc->codec != NULL)
1402 sc->ac97_mixerclass = ac97_getmixerclass();
1403 if (mixer_init(dev, &emudspmixer_class, sc)) {
1404 device_printf(dev, "failed to initialize DSP mixer\n");
1409 sc->rt.amounts_left[2] = 0xff;
1410 sc->rt.amounts_right[3] = 0xff;
1411 sc->rt_mono.amounts_left[2] = 0xff;
1412 sc->rt_mono.amounts_left[3] = 0xff;
1413 if (mixer_init(dev, &emudspmixer_class, sc)) {
1414 device_printf(dev, "failed to initialize mixer\n");
1419 sc->rt.amounts_left[4] = 0xff;
1420 sc->rt_mono.amounts_left[4] = 0xff;
1421 if (mixer_init(dev, &emudspmixer_class, sc)) {
1422 device_printf(dev, "failed to initialize mixer\n");
1427 sc->rt.amounts_left[5] = 0xff;
1428 sc->rt_mono.amounts_left[5] = 0xff;
1429 if (mixer_init(dev, &emudspmixer_class, sc)) {
1430 device_printf(dev, "failed to initialize mixer\n");
1435 sc->rt.amounts_left[6] = 0xff;
1436 sc->rt.amounts_right[7] = 0xff;
1437 sc->rt_mono.amounts_left[6] = 0xff;
1438 sc->rt_mono.amounts_left[7] = 0xff;
1439 if (mixer_init(dev, &emudspmixer_class, sc)) {
1440 device_printf(dev, "failed to initialize mixer\n");
1445 if (mixer_init(dev, &emuefxmixer_class, sc)) {
1446 device_printf(dev, "failed to initialize EFX mixer\n");
1451 device_printf(dev, "invalid default route\n");
1455 inte = EMU_INTE_INTERTIMERENB;
1456 ipr = EMU_IPR_INTERVALTIMER; /* Used by playback & ADC */
1457 sc->ihandle = emu_intr_register(sc->card, inte, ipr, &emu_pcm_intr, sc);
1459 if (emu_pcm_init(sc) == -1) {
1460 device_printf(dev, "unable to initialize PCM part of the card\n");
1465 * We don't register interrupt handler with snd_setup_intr
1466 * in pcm device. Mark pcm device as MPSAFE manually.
1468 pcm_setflags(dev, pcm_getflags(dev) | SD_F_MPSAFE);
1470 /* XXX we should better get number of available channels from parent */
1471 if (pcm_register(dev, sc, (route == RT_FRONT) ? MAX_CHANNELS : 1, (route == RT_FRONT) ? 1 : 0)) {
1472 device_printf(dev, "can't register PCM channels!\n");
1476 if (route != RT_MCHRECORD)
1477 pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc);
1478 if (route == RT_FRONT) {
1479 for (i = 1; i < MAX_CHANNELS; i++)
1480 pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc);
1481 pcm_addchan(dev, PCMDIR_REC, &emurchan_class, sc);
1483 if (route == RT_MCHRECORD)
1484 pcm_addchan(dev, PCMDIR_REC, &emufxrchan_class, sc);
1486 snprintf(status, SND_STATUSLEN, "on %s", device_get_nameunit(device_get_parent(dev)));
1487 pcm_setstatus(dev, status);
1493 ac97_destroy(sc->codec);
1495 snd_mtxfree(sc->lock);
1501 emu_pcm_detach(device_t dev)
1504 struct emu_pcm_info *sc;
1506 sc = pcm_getdevinfo(dev);
1508 r = pcm_unregister(dev);
1515 snd_mtxfree(sc->lock);
1521 static device_method_t emu_pcm_methods[] = {
1522 DEVMETHOD(device_probe, emu_pcm_probe),
1523 DEVMETHOD(device_attach, emu_pcm_attach),
1524 DEVMETHOD(device_detach, emu_pcm_detach),
1529 static driver_t emu_pcm_driver = {
1537 DRIVER_MODULE(snd_emu10kx_pcm, emu10kx, emu_pcm_driver, pcm_devclass, 0, 0);
1538 MODULE_DEPEND(snd_emu10kx_pcm, snd_emu10kx, SND_EMU10KX_MINVER, SND_EMU10KX_PREFVER, SND_EMU10KX_MAXVER);
1539 MODULE_DEPEND(snd_emu10kx_pcm, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
1540 MODULE_VERSION(snd_emu10kx_pcm, SND_EMU10KX_PREFVER);