2
* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
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* This source file is released under GPL v2 license (no other versions).
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* See the COPYING file included in the main directory of this source
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* distribution for the license terms and conditions.
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* This file contains the implementation of alsa mixer device functions.
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#include <linux/slab.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/asoundef.h>
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#include <sound/pcm.h>
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#include <sound/tlv.h>
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/* volume control mixers */
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/* this should always be the last one */
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enum CTALSA_MIXER_CTL {
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/* volume control mixers */
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/* switch control mixers */
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/* this should always be the last one */
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#define VOL_MIXER_START MIXER_MASTER_P
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#define VOL_MIXER_END MIXER_SPDIFI_C
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#define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1)
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#define SWH_MIXER_START MIXER_PCM_C_S
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#define SWH_MIXER_END MIXER_DIGITAL_IO_S
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#define SWH_CAPTURE_START MIXER_PCM_C_S
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#define SWH_CAPTURE_END MIXER_SPDIFI_C_S
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struct ct_kcontrol_init {
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static struct ct_kcontrol_init
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ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
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.name = "Master Playback Volume",
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.name = "Master Capture Volume",
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.name = "PCM Playback Volume",
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.name = "PCM Capture Volume",
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.name = "Line Playback Volume",
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.name = "Line Capture Volume",
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.name = "Mic Playback Volume",
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.name = "Mic Capture Volume",
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.name = "IEC958 Playback Volume",
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.name = "IEC958 Capture Volume",
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.name = "Digital Playback Volume",
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.name = "Front Playback Volume",
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.name = "Side Playback Volume",
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.name = "Center/LFE Playback Volume",
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.name = "Surround Playback Volume",
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.name = "PCM Capture Switch",
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[MIXER_LINEIN_C_S] = {
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.name = "Line Capture Switch",
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.name = "Mic Capture Switch",
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[MIXER_SPDIFI_C_S] = {
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.name = "IEC958 Capture Switch",
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[MIXER_SPDIFO_P_S] = {
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.name = "Digital Playback Switch",
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[MIXER_WAVEF_P_S] = {
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.name = "Front Playback Switch",
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[MIXER_WAVES_P_S] = {
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.name = "Side Playback Switch",
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[MIXER_WAVEC_P_S] = {
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.name = "Center/LFE Playback Switch",
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[MIXER_WAVER_P_S] = {
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.name = "Surround Playback Switch",
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[MIXER_DIGITAL_IO_S] = {
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.name = "Digit-IO Playback Switch",
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ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
226
ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
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/* FIXME: this static looks like it would fail if more than one card was */
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static struct snd_kcontrol *kctls[2] = {NULL};
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static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)
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switch (alsa_index) {
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case MIXER_MASTER_P: return AMIXER_MASTER_F;
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case MIXER_MASTER_C: return AMIXER_MASTER_F_C;
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case MIXER_PCM_P: return AMIXER_PCM_F;
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case MIXER_PCM_C_S: return AMIXER_PCM_F_C;
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case MIXER_LINEIN_P: return AMIXER_LINEIN;
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case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C;
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case MIXER_MIC_P: return AMIXER_MIC;
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case MIXER_MIC_C_S: return AMIXER_MIC_C;
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case MIXER_SPDIFI_P: return AMIXER_SPDIFI;
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case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C;
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case MIXER_SPDIFO_P: return AMIXER_SPDIFO;
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case MIXER_WAVEF_P: return AMIXER_WAVE_F;
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case MIXER_WAVES_P: return AMIXER_WAVE_S;
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case MIXER_WAVEC_P: return AMIXER_WAVE_C;
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case MIXER_WAVER_P: return AMIXER_WAVE_R;
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default: return NUM_CT_AMIXERS;
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static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index)
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case AMIXER_MASTER_F: return AMIXER_MASTER_F_C;
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case AMIXER_PCM_F: return AMIXER_PCM_F_C;
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case AMIXER_SPDIFI: return AMIXER_SPDIFI_C;
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case AMIXER_LINEIN: return AMIXER_LINEIN_C;
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case AMIXER_MIC: return AMIXER_MIC_C;
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default: return NUM_CT_AMIXERS;
271
get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type)
273
return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START)))
278
set_switch_state(struct ct_mixer *mixer,
279
enum CTALSA_MIXER_CTL type, unsigned char state)
282
mixer->switch_state |= (0x1 << (type - SWH_MIXER_START));
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mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START));
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/* Map integer value ranging from 0 to 65535 to 14-bit float value ranging
289
* from 2^-6 to (1+1023/1024) */
290
static unsigned int uint16_to_float14(unsigned int x)
302
for (i = 0; !(x & 0x400); i++)
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x = (((7 - i) & 0x7) << 10) | (x & 0x3ff);
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static unsigned int float14_to_uint16(unsigned int x)
327
#endif /* not used */
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#define VOL_SCALE 0x1c
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#define VOL_MAX 0x100
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static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
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static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol,
335
struct snd_ctl_elem_info *uinfo)
337
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = VOL_MAX;
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static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
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enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
350
struct amixer *amixer;
353
for (i = 0; i < 2; i++) {
354
amixer = ((struct ct_mixer *)atc->mixer)->
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amixers[type*CHN_NUM+i];
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val = amixer->ops->get_scale(amixer) / VOL_SCALE;
359
else if (val > VOL_MAX)
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ucontrol->value.integer.value[i] = val;
367
static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol,
368
struct snd_ctl_elem_value *ucontrol)
370
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
371
struct ct_mixer *mixer = atc->mixer;
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enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
373
struct amixer *amixer;
374
int i, j, val, oval, change = 0;
376
for (i = 0; i < 2; i++) {
377
val = ucontrol->value.integer.value[i];
380
else if (val > VOL_MAX)
383
amixer = mixer->amixers[type*CHN_NUM+i];
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oval = amixer->ops->get_scale(amixer);
386
amixer->ops->set_scale(amixer, val);
387
amixer->ops->commit_write(amixer);
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/* Synchronize Master/PCM playback AMIXERs. */
390
if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) {
391
for (j = 1; j < 4; j++) {
393
amixers[(type+j)*CHN_NUM+i];
394
amixer->ops->set_scale(amixer, val);
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amixer->ops->commit_write(amixer);
404
static struct snd_kcontrol_new vol_ctl = {
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.info = ct_alsa_mix_volume_info,
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.get = ct_alsa_mix_volume_get,
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.put = ct_alsa_mix_volume_put,
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.tlv = { .p = ct_vol_db_scale },
414
static int output_switch_info(struct snd_kcontrol *kcontrol,
415
struct snd_ctl_elem_info *info)
417
static const char *const names[3] = {
418
"FP Headphones", "Headphones", "Speakers"
421
return snd_ctl_enum_info(info, 1, 3, names);
424
static int output_switch_get(struct snd_kcontrol *kcontrol,
425
struct snd_ctl_elem_value *ucontrol)
427
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
428
ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc);
432
static int output_switch_put(struct snd_kcontrol *kcontrol,
433
struct snd_ctl_elem_value *ucontrol)
435
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
436
if (ucontrol->value.enumerated.item[0] > 2)
438
return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]);
441
static struct snd_kcontrol_new output_ctl = {
442
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
443
.name = "Analog Output Playback Enum",
444
.info = output_switch_info,
445
.get = output_switch_get,
446
.put = output_switch_put,
449
static int mic_source_switch_info(struct snd_kcontrol *kcontrol,
450
struct snd_ctl_elem_info *info)
452
static const char *const names[3] = {
453
"Mic", "FP Mic", "Aux"
456
return snd_ctl_enum_info(info, 1, 3, names);
459
static int mic_source_switch_get(struct snd_kcontrol *kcontrol,
460
struct snd_ctl_elem_value *ucontrol)
462
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
463
ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc);
467
static int mic_source_switch_put(struct snd_kcontrol *kcontrol,
468
struct snd_ctl_elem_value *ucontrol)
470
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
471
if (ucontrol->value.enumerated.item[0] > 2)
473
return atc->mic_source_switch_put(atc,
474
ucontrol->value.enumerated.item[0]);
477
static struct snd_kcontrol_new mic_source_ctl = {
478
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Mic Source Capture Enum",
480
.info = mic_source_switch_info,
481
.get = mic_source_switch_get,
482
.put = mic_source_switch_put,
486
do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type)
489
if (MIXER_LINEIN_C_S == type) {
490
atc->select_line_in(atc);
491
set_switch_state(atc->mixer, MIXER_MIC_C_S, 0);
492
snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
494
} else if (MIXER_MIC_C_S == type) {
495
atc->select_mic_in(atc);
496
set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0);
497
snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
503
do_digit_io_switch(struct ct_atc *atc, int state)
505
struct ct_mixer *mixer = atc->mixer;
508
atc->select_digit_io(atc);
509
atc->spdif_out_unmute(atc,
510
get_switch_state(mixer, MIXER_SPDIFO_P_S));
511
atc->spdif_in_unmute(atc, 1);
512
atc->line_in_unmute(atc, 0);
516
if (get_switch_state(mixer, MIXER_LINEIN_C_S))
517
atc->select_line_in(atc);
518
else if (get_switch_state(mixer, MIXER_MIC_C_S))
519
atc->select_mic_in(atc);
521
atc->spdif_out_unmute(atc, 0);
522
atc->spdif_in_unmute(atc, 0);
523
atc->line_in_unmute(atc, 1);
527
static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
529
struct ct_mixer *mixer = atc->mixer;
530
struct capabilities cap = atc->capabilities(atc);
532
/* Do changes in mixer. */
533
if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
535
ct_mixer_recording_select(mixer,
536
get_amixer_index(type));
538
ct_mixer_recording_unselect(mixer,
539
get_amixer_index(type));
542
/* Do changes out of mixer. */
543
if (!cap.dedicated_mic &&
544
(MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) {
546
do_line_mic_switch(atc, type);
547
atc->line_in_unmute(atc, state);
548
} else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type))
549
atc->line_in_unmute(atc, state);
550
else if (cap.dedicated_mic && (MIXER_MIC_C_S == type))
551
atc->mic_unmute(atc, state);
552
else if (MIXER_SPDIFI_C_S == type)
553
atc->spdif_in_unmute(atc, state);
554
else if (MIXER_WAVEF_P_S == type)
555
atc->line_front_unmute(atc, state);
556
else if (MIXER_WAVES_P_S == type)
557
atc->line_surround_unmute(atc, state);
558
else if (MIXER_WAVEC_P_S == type)
559
atc->line_clfe_unmute(atc, state);
560
else if (MIXER_WAVER_P_S == type)
561
atc->line_rear_unmute(atc, state);
562
else if (MIXER_SPDIFO_P_S == type)
563
atc->spdif_out_unmute(atc, state);
564
else if (MIXER_DIGITAL_IO_S == type)
565
do_digit_io_switch(atc, state);
570
static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
571
struct snd_ctl_elem_info *uinfo)
573
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
575
uinfo->value.integer.min = 0;
576
uinfo->value.integer.max = 1;
577
uinfo->value.integer.step = 1;
582
static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol,
583
struct snd_ctl_elem_value *ucontrol)
585
struct ct_mixer *mixer =
586
((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer;
587
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
589
ucontrol->value.integer.value[0] = get_switch_state(mixer, type);
593
static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
594
struct snd_ctl_elem_value *ucontrol)
596
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
597
struct ct_mixer *mixer = atc->mixer;
598
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
601
state = ucontrol->value.integer.value[0];
602
if (get_switch_state(mixer, type) == state)
605
set_switch_state(mixer, type, state);
606
do_switch(atc, type, state);
611
static struct snd_kcontrol_new swh_ctl = {
612
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
613
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
614
.info = ct_alsa_mix_switch_info,
615
.get = ct_alsa_mix_switch_get,
616
.put = ct_alsa_mix_switch_put
619
static int ct_spdif_info(struct snd_kcontrol *kcontrol,
620
struct snd_ctl_elem_info *uinfo)
622
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
627
static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol,
628
struct snd_ctl_elem_value *ucontrol)
630
ucontrol->value.iec958.status[0] = 0xff;
631
ucontrol->value.iec958.status[1] = 0xff;
632
ucontrol->value.iec958.status[2] = 0xff;
633
ucontrol->value.iec958.status[3] = 0xff;
637
static int ct_spdif_get(struct snd_kcontrol *kcontrol,
638
struct snd_ctl_elem_value *ucontrol)
640
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
643
atc->spdif_out_get_status(atc, &status);
646
status = SNDRV_PCM_DEFAULT_CON_SPDIF;
648
ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
649
ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
650
ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
651
ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
656
static int ct_spdif_put(struct snd_kcontrol *kcontrol,
657
struct snd_ctl_elem_value *ucontrol)
659
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
661
unsigned int status, old_status;
663
status = (ucontrol->value.iec958.status[0] << 0) |
664
(ucontrol->value.iec958.status[1] << 8) |
665
(ucontrol->value.iec958.status[2] << 16) |
666
(ucontrol->value.iec958.status[3] << 24);
668
atc->spdif_out_get_status(atc, &old_status);
669
change = (old_status != status);
671
atc->spdif_out_set_status(atc, status);
676
static struct snd_kcontrol_new iec958_mask_ctl = {
677
.access = SNDRV_CTL_ELEM_ACCESS_READ,
678
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
679
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
681
.info = ct_spdif_info,
682
.get = ct_spdif_get_mask,
683
.private_value = MIXER_IEC958_MASK
686
static struct snd_kcontrol_new iec958_default_ctl = {
687
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
688
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
690
.info = ct_spdif_info,
693
.private_value = MIXER_IEC958_DEFAULT
696
static struct snd_kcontrol_new iec958_ctl = {
697
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
698
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
699
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
701
.info = ct_spdif_info,
704
.private_value = MIXER_IEC958_STREAM
707
#define NUM_IEC958_CTL 3
710
ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
712
struct snd_kcontrol *kctl;
715
kctl = snd_ctl_new1(new, mixer->atc);
719
if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
720
kctl->id.device = IEC958;
722
err = snd_ctl_add(mixer->atc->card, kctl);
726
switch (new->private_value) {
727
case MIXER_LINEIN_C_S:
728
kctls[0] = kctl; break;
730
kctls[1] = kctl; break;
738
static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
740
enum CTALSA_MIXER_CTL type;
741
struct ct_atc *atc = mixer->atc;
742
struct capabilities cap = atc->capabilities(atc);
745
/* Create snd kcontrol instances on demand */
746
for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
747
if (ct_kcontrol_init_table[type].ctl) {
748
vol_ctl.name = ct_kcontrol_init_table[type].name;
749
vol_ctl.private_value = (unsigned long)type;
750
err = ct_mixer_kcontrol_new(mixer, &vol_ctl);
756
ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch;
758
for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
759
if (ct_kcontrol_init_table[type].ctl) {
760
swh_ctl.name = ct_kcontrol_init_table[type].name;
761
swh_ctl.private_value = (unsigned long)type;
762
err = ct_mixer_kcontrol_new(mixer, &swh_ctl);
768
err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl);
772
err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl);
776
err = ct_mixer_kcontrol_new(mixer, &iec958_ctl);
780
if (cap.output_switch) {
781
err = ct_mixer_kcontrol_new(mixer, &output_ctl);
786
if (cap.mic_source_switch) {
787
err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl);
791
atc->line_front_unmute(atc, 1);
792
set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
793
atc->line_surround_unmute(atc, 0);
794
set_switch_state(mixer, MIXER_WAVES_P_S, 0);
795
atc->line_clfe_unmute(atc, 0);
796
set_switch_state(mixer, MIXER_WAVEC_P_S, 0);
797
atc->line_rear_unmute(atc, 0);
798
set_switch_state(mixer, MIXER_WAVER_P_S, 0);
799
atc->spdif_out_unmute(atc, 0);
800
set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
801
atc->line_in_unmute(atc, 0);
802
if (cap.dedicated_mic)
803
atc->mic_unmute(atc, 0);
804
atc->spdif_in_unmute(atc, 0);
805
set_switch_state(mixer, MIXER_PCM_C_S, 0);
806
set_switch_state(mixer, MIXER_LINEIN_C_S, 0);
807
set_switch_state(mixer, MIXER_SPDIFI_C_S, 0);
813
ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
815
struct amixer *amix_d;
819
for (i = 0; i < 2; i++) {
820
amix_d = mixer->amixers[type*CHN_NUM+i];
821
sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i];
822
amix_d->ops->set_sum(amix_d, sum_c);
823
amix_d->ops->commit_write(amix_d);
828
ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
830
struct amixer *amix_d;
833
for (i = 0; i < 2; i++) {
834
amix_d = mixer->amixers[type*CHN_NUM+i];
835
amix_d->ops->set_sum(amix_d, NULL);
836
amix_d->ops->commit_write(amix_d);
840
static int ct_mixer_get_resources(struct ct_mixer *mixer)
842
struct sum_mgr *sum_mgr;
844
struct sum_desc sum_desc = {0};
845
struct amixer_mgr *amixer_mgr;
846
struct amixer *amixer;
847
struct amixer_desc am_desc = {0};
851
/* Allocate sum resources for mixer obj */
852
sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
853
sum_desc.msr = mixer->atc->msr;
854
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
855
err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum);
857
printk(KERN_ERR "ctxfi:Failed to get sum resources for "
861
mixer->sums[i] = sum;
866
/* Allocate amixer resources for mixer obj */
867
amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
868
am_desc.msr = mixer->atc->msr;
869
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
870
err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer);
872
printk(KERN_ERR "ctxfi:Failed to get amixer resources "
876
mixer->amixers[i] = amixer;
884
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
885
if (NULL != mixer->amixers[i]) {
886
amixer = mixer->amixers[i];
887
amixer_mgr->put_amixer(amixer_mgr, amixer);
888
mixer->amixers[i] = NULL;
892
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
893
if (NULL != mixer->sums[i]) {
894
sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
895
mixer->sums[i] = NULL;
902
static int ct_mixer_get_mem(struct ct_mixer **rmixer)
904
struct ct_mixer *mixer;
908
/* Allocate mem for mixer obj */
909
mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
913
mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
915
if (!mixer->amixers) {
919
mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
929
kfree(mixer->amixers);
935
static int ct_mixer_topology_build(struct ct_mixer *mixer)
938
struct amixer *amix_d, *amix_s;
939
enum CT_AMIXER_CTL i, j;
941
/* Build topology from destination to source */
943
/* Set up Master mixer */
944
for (i = AMIXER_MASTER_F, j = SUM_IN_F;
945
i <= AMIXER_MASTER_S; i++, j++) {
946
amix_d = mixer->amixers[i*CHN_NUM];
947
sum = mixer->sums[j*CHN_NUM];
948
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
949
amix_d = mixer->amixers[i*CHN_NUM+1];
950
sum = mixer->sums[j*CHN_NUM+1];
951
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
954
/* Set up Wave-out mixer */
955
for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F;
956
i <= AMIXER_WAVE_S; i++, j++) {
957
amix_d = mixer->amixers[i*CHN_NUM];
958
amix_s = mixer->amixers[j*CHN_NUM];
959
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
960
amix_d = mixer->amixers[i*CHN_NUM+1];
961
amix_s = mixer->amixers[j*CHN_NUM+1];
962
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
965
/* Set up S/PDIF-out mixer */
966
amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM];
967
amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM];
968
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
969
amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1];
970
amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1];
971
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
973
/* Set up PCM-in mixer */
974
for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) {
975
amix_d = mixer->amixers[i*CHN_NUM];
976
sum = mixer->sums[j*CHN_NUM];
977
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
978
amix_d = mixer->amixers[i*CHN_NUM+1];
979
sum = mixer->sums[j*CHN_NUM+1];
980
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
983
/* Set up Line-in mixer */
984
amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM];
985
sum = mixer->sums[SUM_IN_F*CHN_NUM];
986
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
987
amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1];
988
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
989
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
991
/* Set up Mic-in mixer */
992
amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM];
993
sum = mixer->sums[SUM_IN_F*CHN_NUM];
994
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
995
amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1];
996
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
997
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
999
/* Set up S/PDIF-in mixer */
1000
amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM];
1001
sum = mixer->sums[SUM_IN_F*CHN_NUM];
1002
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1003
amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1];
1004
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
1005
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1007
/* Set up Master recording mixer */
1008
amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM];
1009
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1010
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
1011
amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1];
1012
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1013
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
1015
/* Set up PCM-in recording mixer */
1016
amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM];
1017
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1018
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1019
amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1];
1020
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1021
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1023
/* Set up Line-in recording mixer */
1024
amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM];
1025
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1026
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1027
amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1];
1028
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1029
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1031
/* Set up Mic-in recording mixer */
1032
amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM];
1033
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1034
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1035
amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1];
1036
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1037
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1039
/* Set up S/PDIF-in recording mixer */
1040
amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM];
1041
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
1042
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1043
amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1];
1044
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
1045
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
1050
static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc)
1052
amixer->ops->set_input(amixer, rsc);
1053
amixer->ops->commit_write(amixer);
1058
static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type)
1061
case MIX_WAVE_FRONT: return AMIXER_WAVE_F;
1062
case MIX_WAVE_SURROUND: return AMIXER_WAVE_S;
1063
case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C;
1064
case MIX_WAVE_REAR: return AMIXER_WAVE_R;
1065
case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C;
1066
case MIX_SPDIF_OUT: return AMIXER_SPDIFO;
1067
case MIX_LINE_IN: return AMIXER_LINEIN;
1068
case MIX_MIC_IN: return AMIXER_MIC;
1069
case MIX_SPDIF_IN: return AMIXER_SPDIFI;
1070
case MIX_PCMI_FRONT: return AMIXER_PCM_F;
1071
case MIX_PCMI_SURROUND: return AMIXER_PCM_S;
1072
case MIX_PCMI_CENTLFE: return AMIXER_PCM_C;
1073
case MIX_PCMI_REAR: return AMIXER_PCM_R;
1078
static int mixer_get_output_ports(struct ct_mixer *mixer,
1079
enum MIXER_PORT_T type,
1080
struct rsc **rleft, struct rsc **rright)
1082
enum CT_AMIXER_CTL amix = port_to_amixer(type);
1085
*rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc;
1089
&((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc;
1094
static int mixer_set_input_left(struct ct_mixer *mixer,
1095
enum MIXER_PORT_T type, struct rsc *rsc)
1097
enum CT_AMIXER_CTL amix = port_to_amixer(type);
1099
mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1100
amix = get_recording_amixer(amix);
1101
if (amix < NUM_CT_AMIXERS)
1102
mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
1108
mixer_set_input_right(struct ct_mixer *mixer,
1109
enum MIXER_PORT_T type, struct rsc *rsc)
1111
enum CT_AMIXER_CTL amix = port_to_amixer(type);
1113
mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1114
amix = get_recording_amixer(amix);
1115
if (amix < NUM_CT_AMIXERS)
1116
mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
1122
static int mixer_resume(struct ct_mixer *mixer)
1125
struct amixer *amixer;
1127
/* resume topology and volume gain. */
1128
for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
1129
amixer = mixer->amixers[i];
1130
amixer->ops->commit_write(amixer);
1133
/* resume switch state. */
1134
for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
1135
state = get_switch_state(mixer, i);
1136
do_switch(mixer->atc, i, state);
1143
int ct_mixer_destroy(struct ct_mixer *mixer)
1145
struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
1146
struct amixer_mgr *amixer_mgr =
1147
(struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
1148
struct amixer *amixer;
1151
/* Release amixer resources */
1152
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
1153
if (NULL != mixer->amixers[i]) {
1154
amixer = mixer->amixers[i];
1155
amixer_mgr->put_amixer(amixer_mgr, amixer);
1159
/* Release sum resources */
1160
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
1161
if (NULL != mixer->sums[i])
1162
sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
1165
/* Release mem assigned to mixer object */
1167
kfree(mixer->amixers);
1173
int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
1175
struct ct_mixer *mixer;
1180
/* Allocate mem for mixer obj */
1181
err = ct_mixer_get_mem(&mixer);
1185
mixer->switch_state = 0;
1187
/* Set operations */
1188
mixer->get_output_ports = mixer_get_output_ports;
1189
mixer->set_input_left = mixer_set_input_left;
1190
mixer->set_input_right = mixer_set_input_right;
1192
mixer->resume = mixer_resume;
1195
/* Allocate chip resources for mixer obj */
1196
err = ct_mixer_get_resources(mixer);
1200
/* Build internal mixer topology */
1201
ct_mixer_topology_build(mixer);
1208
ct_mixer_destroy(mixer);
1212
int ct_alsa_mix_create(struct ct_atc *atc,
1213
enum CTALSADEVS device,
1214
const char *device_name)
1218
/* Create snd kcontrol instances on demand */
1219
/* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */
1220
err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer);
1224
strcpy(atc->card->mixername, device_name);