- 根目录:
- sound
- pci
- ctxfi
- ctmixer.c
/**
* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
*
* This source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
* @File ctmixer.c
*
* @Brief
* This file contains the implementation of alsa mixer device functions.
*
* @Author Liu Chun
* @Date May 28 2008
*
*/
#include "ctmixer.h"
#include "ctamixer.h"
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/asoundef.h>
#include <sound/pcm.h>
#include <sound/tlv.h>
enum CT_SUM_CTL {
SUM_IN_F,
SUM_IN_R,
SUM_IN_C,
SUM_IN_S,
SUM_IN_F_C,
NUM_CT_SUMS
};
enum CT_AMIXER_CTL {
/* volume control mixers */
AMIXER_MASTER_F,
AMIXER_MASTER_R,
AMIXER_MASTER_C,
AMIXER_MASTER_S,
AMIXER_PCM_F,
AMIXER_PCM_R,
AMIXER_PCM_C,
AMIXER_PCM_S,
AMIXER_SPDIFI,
AMIXER_LINEIN,
AMIXER_MIC,
AMIXER_SPDIFO,
AMIXER_WAVE_F,
AMIXER_WAVE_R,
AMIXER_WAVE_C,
AMIXER_WAVE_S,
AMIXER_MASTER_F_C,
AMIXER_PCM_F_C,
AMIXER_SPDIFI_C,
AMIXER_LINEIN_C,
AMIXER_MIC_C,
/* this should always be the last one */
NUM_CT_AMIXERS
};
enum CTALSA_MIXER_CTL {
/* volume control mixers */
MIXER_MASTER_P,
MIXER_PCM_P,
MIXER_LINEIN_P,
MIXER_MIC_P,
MIXER_SPDIFI_P,
MIXER_SPDIFO_P,
MIXER_WAVEF_P,
MIXER_WAVER_P,
MIXER_WAVEC_P,
MIXER_WAVES_P,
MIXER_MASTER_C,
MIXER_PCM_C,
MIXER_LINEIN_C,
MIXER_MIC_C,
MIXER_SPDIFI_C,
/* switch control mixers */
MIXER_PCM_C_S,
MIXER_LINEIN_C_S,
MIXER_MIC_C_S,
MIXER_SPDIFI_C_S,
MIXER_SPDIFO_P_S,
MIXER_WAVEF_P_S,
MIXER_WAVER_P_S,
MIXER_WAVEC_P_S,
MIXER_WAVES_P_S,
MIXER_DIGITAL_IO_S,
MIXER_IEC958_MASK,
MIXER_IEC958_DEFAULT,
MIXER_IEC958_STREAM,
/* this should always be the last one */
NUM_CTALSA_MIXERS
};
#define VOL_MIXER_START MIXER_MASTER_P
#define VOL_MIXER_END MIXER_SPDIFI_C
#define VOL_MIXER_NUM (VOL_MIXER_END - VOL_MIXER_START + 1)
#define SWH_MIXER_START MIXER_PCM_C_S
#define SWH_MIXER_END MIXER_DIGITAL_IO_S
#define SWH_CAPTURE_START MIXER_PCM_C_S
#define SWH_CAPTURE_END MIXER_SPDIFI_C_S
#define CHN_NUM 2
struct ct_kcontrol_init {
unsigned char ctl;
char *name;
};
static struct ct_kcontrol_init
ct_kcontrol_init_table[NUM_CTALSA_MIXERS] = {
[MIXER_MASTER_P] = {
.ctl = 1,
.name = "Master Playback Volume",
},
[MIXER_MASTER_C] = {
.ctl = 1,
.name = "Master Capture Volume",
},
[MIXER_PCM_P] = {
.ctl = 1,
.name = "PCM Playback Volume",
},
[MIXER_PCM_C] = {
.ctl = 1,
.name = "PCM Capture Volume",
},
[MIXER_LINEIN_P] = {
.ctl = 1,
.name = "Line Playback Volume",
},
[MIXER_LINEIN_C] = {
.ctl = 1,
.name = "Line Capture Volume",
},
[MIXER_MIC_P] = {
.ctl = 1,
.name = "Mic Playback Volume",
},
[MIXER_MIC_C] = {
.ctl = 1,
.name = "Mic Capture Volume",
},
[MIXER_SPDIFI_P] = {
.ctl = 1,
.name = "IEC958 Playback Volume",
},
[MIXER_SPDIFI_C] = {
.ctl = 1,
.name = "IEC958 Capture Volume",
},
[MIXER_SPDIFO_P] = {
.ctl = 1,
.name = "Digital Playback Volume",
},
[MIXER_WAVEF_P] = {
.ctl = 1,
.name = "Front Playback Volume",
},
[MIXER_WAVES_P] = {
.ctl = 1,
.name = "Side Playback Volume",
},
[MIXER_WAVEC_P] = {
.ctl = 1,
.name = "Center/LFE Playback Volume",
},
[MIXER_WAVER_P] = {
.ctl = 1,
.name = "Surround Playback Volume",
},
[MIXER_PCM_C_S] = {
.ctl = 1,
.name = "PCM Capture Switch",
},
[MIXER_LINEIN_C_S] = {
.ctl = 1,
.name = "Line Capture Switch",
},
[MIXER_MIC_C_S] = {
.ctl = 1,
.name = "Mic Capture Switch",
},
[MIXER_SPDIFI_C_S] = {
.ctl = 1,
.name = "IEC958 Capture Switch",
},
[MIXER_SPDIFO_P_S] = {
.ctl = 1,
.name = "Digital Playback Switch",
},
[MIXER_WAVEF_P_S] = {
.ctl = 1,
.name = "Front Playback Switch",
},
[MIXER_WAVES_P_S] = {
.ctl = 1,
.name = "Side Playback Switch",
},
[MIXER_WAVEC_P_S] = {
.ctl = 1,
.name = "Center/LFE Playback Switch",
},
[MIXER_WAVER_P_S] = {
.ctl = 1,
.name = "Surround Playback Switch",
},
[MIXER_DIGITAL_IO_S] = {
.ctl = 0,
.name = "Digit-IO Playback Switch",
},
};
static void
ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
static void
ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type);
/* FIXME: this static looks like it would fail if more than one card was */
/* installed. */
static struct snd_kcontrol *kctls[2] = {NULL};
static enum CT_AMIXER_CTL get_amixer_index(enum CTALSA_MIXER_CTL alsa_index)
{
switch (alsa_index) {
case MIXER_MASTER_P: return AMIXER_MASTER_F;
case MIXER_MASTER_C: return AMIXER_MASTER_F_C;
case MIXER_PCM_P: return AMIXER_PCM_F;
case MIXER_PCM_C:
case MIXER_PCM_C_S: return AMIXER_PCM_F_C;
case MIXER_LINEIN_P: return AMIXER_LINEIN;
case MIXER_LINEIN_C:
case MIXER_LINEIN_C_S: return AMIXER_LINEIN_C;
case MIXER_MIC_P: return AMIXER_MIC;
case MIXER_MIC_C:
case MIXER_MIC_C_S: return AMIXER_MIC_C;
case MIXER_SPDIFI_P: return AMIXER_SPDIFI;
case MIXER_SPDIFI_C:
case MIXER_SPDIFI_C_S: return AMIXER_SPDIFI_C;
case MIXER_SPDIFO_P: return AMIXER_SPDIFO;
case MIXER_WAVEF_P: return AMIXER_WAVE_F;
case MIXER_WAVES_P: return AMIXER_WAVE_S;
case MIXER_WAVEC_P: return AMIXER_WAVE_C;
case MIXER_WAVER_P: return AMIXER_WAVE_R;
default: return NUM_CT_AMIXERS;
}
}
static enum CT_AMIXER_CTL get_recording_amixer(enum CT_AMIXER_CTL index)
{
switch (index) {
case AMIXER_MASTER_F: return AMIXER_MASTER_F_C;
case AMIXER_PCM_F: return AMIXER_PCM_F_C;
case AMIXER_SPDIFI: return AMIXER_SPDIFI_C;
case AMIXER_LINEIN: return AMIXER_LINEIN_C;
case AMIXER_MIC: return AMIXER_MIC_C;
default: return NUM_CT_AMIXERS;
}
}
static unsigned char
get_switch_state(struct ct_mixer *mixer, enum CTALSA_MIXER_CTL type)
{
return (mixer->switch_state & (0x1 << (type - SWH_MIXER_START)))
? 1 : 0;
}
static void
set_switch_state(struct ct_mixer *mixer,
enum CTALSA_MIXER_CTL type, unsigned char state)
{
if (state)
mixer->switch_state |= (0x1 << (type - SWH_MIXER_START));
else
mixer->switch_state &= ~(0x1 << (type - SWH_MIXER_START));
}
#if 0 /* not used */
/* Map integer value ranging from 0 to 65535 to 14-bit float value ranging
* from 2^-6 to (1+1023/1024) */
static unsigned int uint16_to_float14(unsigned int x)
{
unsigned int i;
if (x < 17)
return 0;
x *= 2031;
x /= 65535;
x += 16;
/* i <= 6 */
for (i = 0; !(x & 0x400); i++)
x <<= 1;
x = (((7 - i) & 0x7) << 10) | (x & 0x3ff);
return x;
}
static unsigned int float14_to_uint16(unsigned int x)
{
unsigned int e;
if (!x)
return x;
e = (x >> 10) & 0x7;
x &= 0x3ff;
x += 1024;
x >>= (7 - e);
x -= 16;
x *= 65535;
x /= 2031;
return x;
}
#endif /* not used */
#define VOL_SCALE 0x1c
#define VOL_MAX 0x100
static const DECLARE_TLV_DB_SCALE(ct_vol_db_scale, -6400, 25, 1);
static int ct_alsa_mix_volume_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 2;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = VOL_MAX;
return 0;
}
static int ct_alsa_mix_volume_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
struct amixer *amixer;
int i, val;
for (i = 0; i < 2; i++) {
amixer = ((struct ct_mixer *)atc->mixer)->
amixers[type*CHN_NUM+i];
val = amixer->ops->get_scale(amixer) / VOL_SCALE;
if (val < 0)
val = 0;
else if (val > VOL_MAX)
val = VOL_MAX;
ucontrol->value.integer.value[i] = val;
}
return 0;
}
static int ct_alsa_mix_volume_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
struct ct_mixer *mixer = atc->mixer;
enum CT_AMIXER_CTL type = get_amixer_index(kcontrol->private_value);
struct amixer *amixer;
int i, j, val, oval, change = 0;
for (i = 0; i < 2; i++) {
val = ucontrol->value.integer.value[i];
if (val < 0)
val = 0;
else if (val > VOL_MAX)
val = VOL_MAX;
val *= VOL_SCALE;
amixer = mixer->amixers[type*CHN_NUM+i];
oval = amixer->ops->get_scale(amixer);
if (val != oval) {
amixer->ops->set_scale(amixer, val);
amixer->ops->commit_write(amixer);
change = 1;
/* Synchronize Master/PCM playback AMIXERs. */
if (AMIXER_MASTER_F == type || AMIXER_PCM_F == type) {
for (j = 1; j < 4; j++) {
amixer = mixer->
amixers[(type+j)*CHN_NUM+i];
amixer->ops->set_scale(amixer, val);
amixer->ops->commit_write(amixer);
}
}
}
}
return change;
}
static struct snd_kcontrol_new vol_ctl = {
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ,
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = ct_alsa_mix_volume_info,
.get = ct_alsa_mix_volume_get,
.put = ct_alsa_mix_volume_put,
.tlv = { .p = ct_vol_db_scale },
};
static int output_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *info)
{
static const char *const names[3] = {
"FP Headphones", "Headphones", "Speakers"
};
return snd_ctl_enum_info(info, 1, 3, names);
}
static int output_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = atc->output_switch_get(atc);
return 0;
}
static int output_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
return atc->output_switch_put(atc, ucontrol->value.enumerated.item[0]);
}
static struct snd_kcontrol_new output_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Analog Output Playback Enum",
.info = output_switch_info,
.get = output_switch_get,
.put = output_switch_put,
};
static int mic_source_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *info)
{
static const char *const names[3] = {
"Mic", "FP Mic", "Aux"
};
return snd_ctl_enum_info(info, 1, 3, names);
}
static int mic_source_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
ucontrol->value.enumerated.item[0] = atc->mic_source_switch_get(atc);
return 0;
}
static int mic_source_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
if (ucontrol->value.enumerated.item[0] > 2)
return -EINVAL;
return atc->mic_source_switch_put(atc,
ucontrol->value.enumerated.item[0]);
}
static struct snd_kcontrol_new mic_source_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Mic Source Capture Enum",
.info = mic_source_switch_info,
.get = mic_source_switch_get,
.put = mic_source_switch_put,
};
static void
do_line_mic_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type)
{
if (MIXER_LINEIN_C_S == type) {
atc->select_line_in(atc);
set_switch_state(atc->mixer, MIXER_MIC_C_S, 0);
snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
&kctls[1]->id);
} else if (MIXER_MIC_C_S == type) {
atc->select_mic_in(atc);
set_switch_state(atc->mixer, MIXER_LINEIN_C_S, 0);
snd_ctl_notify(atc->card, SNDRV_CTL_EVENT_MASK_VALUE,
&kctls[0]->id);
}
}
static void
do_digit_io_switch(struct ct_atc *atc, int state)
{
struct ct_mixer *mixer = atc->mixer;
if (state) {
atc->select_digit_io(atc);
atc->spdif_out_unmute(atc,
get_switch_state(mixer, MIXER_SPDIFO_P_S));
atc->spdif_in_unmute(atc, 1);
atc->line_in_unmute(atc, 0);
return;
}
if (get_switch_state(mixer, MIXER_LINEIN_C_S))
atc->select_line_in(atc);
else if (get_switch_state(mixer, MIXER_MIC_C_S))
atc->select_mic_in(atc);
atc->spdif_out_unmute(atc, 0);
atc->spdif_in_unmute(atc, 0);
atc->line_in_unmute(atc, 1);
return;
}
static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
{
struct ct_mixer *mixer = atc->mixer;
struct capabilities cap = atc->capabilities(atc);
/* Do changes in mixer. */
if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
if (state) {
ct_mixer_recording_select(mixer,
get_amixer_index(type));
} else {
ct_mixer_recording_unselect(mixer,
get_amixer_index(type));
}
}
/* Do changes out of mixer. */
if (!cap.dedicated_mic &&
(MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type)) {
if (state)
do_line_mic_switch(atc, type);
atc->line_in_unmute(atc, state);
} else if (cap.dedicated_mic && (MIXER_LINEIN_C_S == type))
atc->line_in_unmute(atc, state);
else if (cap.dedicated_mic && (MIXER_MIC_C_S == type))
atc->mic_unmute(atc, state);
else if (MIXER_SPDIFI_C_S == type)
atc->spdif_in_unmute(atc, state);
else if (MIXER_WAVEF_P_S == type)
atc->line_front_unmute(atc, state);
else if (MIXER_WAVES_P_S == type)
atc->line_surround_unmute(atc, state);
else if (MIXER_WAVEC_P_S == type)
atc->line_clfe_unmute(atc, state);
else if (MIXER_WAVER_P_S == type)
atc->line_rear_unmute(atc, state);
else if (MIXER_SPDIFO_P_S == type)
atc->spdif_out_unmute(atc, state);
else if (MIXER_DIGITAL_IO_S == type)
do_digit_io_switch(atc, state);
return;
}
static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 1;
uinfo->value.integer.step = 1;
return 0;
}
static int ct_alsa_mix_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_mixer *mixer =
((struct ct_atc *)snd_kcontrol_chip(kcontrol))->mixer;
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
ucontrol->value.integer.value[0] = get_switch_state(mixer, type);
return 0;
}
static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
struct ct_mixer *mixer = atc->mixer;
enum CTALSA_MIXER_CTL type = kcontrol->private_value;
int state;
state = ucontrol->value.integer.value[0];
if (get_switch_state(mixer, type) == state)
return 0;
set_switch_state(mixer, type, state);
do_switch(atc, type, state);
return 1;
}
static struct snd_kcontrol_new swh_ctl = {
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = ct_alsa_mix_switch_info,
.get = ct_alsa_mix_switch_get,
.put = ct_alsa_mix_switch_put
};
static int ct_spdif_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
uinfo->count = 1;
return 0;
}
static int ct_spdif_get_mask(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
ucontrol->value.iec958.status[0] = 0xff;
ucontrol->value.iec958.status[1] = 0xff;
ucontrol->value.iec958.status[2] = 0xff;
ucontrol->value.iec958.status[3] = 0xff;
return 0;
}
static int ct_spdif_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
unsigned int status;
atc->spdif_out_get_status(atc, &status);
if (status == 0)
status = SNDRV_PCM_DEFAULT_CON_SPDIF;
ucontrol->value.iec958.status[0] = (status >> 0) & 0xff;
ucontrol->value.iec958.status[1] = (status >> 8) & 0xff;
ucontrol->value.iec958.status[2] = (status >> 16) & 0xff;
ucontrol->value.iec958.status[3] = (status >> 24) & 0xff;
return 0;
}
static int ct_spdif_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
int change;
unsigned int status, old_status;
status = (ucontrol->value.iec958.status[0] << 0) |
(ucontrol->value.iec958.status[1] << 8) |
(ucontrol->value.iec958.status[2] << 16) |
(ucontrol->value.iec958.status[3] << 24);
atc->spdif_out_get_status(atc, &old_status);
change = (old_status != status);
if (change)
atc->spdif_out_set_status(atc, status);
return change;
}
static struct snd_kcontrol_new iec958_mask_ctl = {
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
.count = 1,
.info = ct_spdif_info,
.get = ct_spdif_get_mask,
.private_value = MIXER_IEC958_MASK
};
static struct snd_kcontrol_new iec958_default_ctl = {
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
.count = 1,
.info = ct_spdif_info,
.get = ct_spdif_get,
.put = ct_spdif_put,
.private_value = MIXER_IEC958_DEFAULT
};
static struct snd_kcontrol_new iec958_ctl = {
.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PCM_STREAM),
.count = 1,
.info = ct_spdif_info,
.get = ct_spdif_get,
.put = ct_spdif_put,
.private_value = MIXER_IEC958_STREAM
};
#define NUM_IEC958_CTL 3
static int
ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
{
struct snd_kcontrol *kctl;
int err;
kctl = snd_ctl_new1(new, mixer->atc);
if (!kctl)
return -ENOMEM;
if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
kctl->id.device = IEC958;
err = snd_ctl_add(mixer->atc->card, kctl);
if (err)
return err;
switch (new->private_value) {
case MIXER_LINEIN_C_S:
kctls[0] = kctl; break;
case MIXER_MIC_C_S:
kctls[1] = kctl; break;
default:
break;
}
return 0;
}
static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
{
enum CTALSA_MIXER_CTL type;
struct ct_atc *atc = mixer->atc;
struct capabilities cap = atc->capabilities(atc);
int err;
/* Create snd kcontrol instances on demand */
for (type = VOL_MIXER_START; type <= VOL_MIXER_END; type++) {
if (ct_kcontrol_init_table[type].ctl) {
vol_ctl.name = ct_kcontrol_init_table[type].name;
vol_ctl.private_value = (unsigned long)type;
err = ct_mixer_kcontrol_new(mixer, &vol_ctl);
if (err)
return err;
}
}
ct_kcontrol_init_table[MIXER_DIGITAL_IO_S].ctl = cap.digit_io_switch;
for (type = SWH_MIXER_START; type <= SWH_MIXER_END; type++) {
if (ct_kcontrol_init_table[type].ctl) {
swh_ctl.name = ct_kcontrol_init_table[type].name;
swh_ctl.private_value = (unsigned long)type;
err = ct_mixer_kcontrol_new(mixer, &swh_ctl);
if (err)
return err;
}
}
err = ct_mixer_kcontrol_new(mixer, &iec958_mask_ctl);
if (err)
return err;
err = ct_mixer_kcontrol_new(mixer, &iec958_default_ctl);
if (err)
return err;
err = ct_mixer_kcontrol_new(mixer, &iec958_ctl);
if (err)
return err;
if (cap.output_switch) {
err = ct_mixer_kcontrol_new(mixer, &output_ctl);
if (err)
return err;
}
if (cap.mic_source_switch) {
err = ct_mixer_kcontrol_new(mixer, &mic_source_ctl);
if (err)
return err;
}
atc->line_front_unmute(atc, 1);
set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
atc->line_surround_unmute(atc, 0);
set_switch_state(mixer, MIXER_WAVES_P_S, 0);
atc->line_clfe_unmute(atc, 0);
set_switch_state(mixer, MIXER_WAVEC_P_S, 0);
atc->line_rear_unmute(atc, 0);
set_switch_state(mixer, MIXER_WAVER_P_S, 0);
atc->spdif_out_unmute(atc, 0);
set_switch_state(mixer, MIXER_SPDIFO_P_S, 0);
atc->line_in_unmute(atc, 0);
if (cap.dedicated_mic)
atc->mic_unmute(atc, 0);
atc->spdif_in_unmute(atc, 0);
set_switch_state(mixer, MIXER_PCM_C_S, 0);
set_switch_state(mixer, MIXER_LINEIN_C_S, 0);
set_switch_state(mixer, MIXER_SPDIFI_C_S, 0);
return 0;
}
static void
ct_mixer_recording_select(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
{
struct amixer *amix_d;
struct sum *sum_c;
int i;
for (i = 0; i < 2; i++) {
amix_d = mixer->amixers[type*CHN_NUM+i];
sum_c = mixer->sums[SUM_IN_F_C*CHN_NUM+i];
amix_d->ops->set_sum(amix_d, sum_c);
amix_d->ops->commit_write(amix_d);
}
}
static void
ct_mixer_recording_unselect(struct ct_mixer *mixer, enum CT_AMIXER_CTL type)
{
struct amixer *amix_d;
int i;
for (i = 0; i < 2; i++) {
amix_d = mixer->amixers[type*CHN_NUM+i];
amix_d->ops->set_sum(amix_d, NULL);
amix_d->ops->commit_write(amix_d);
}
}
static int ct_mixer_get_resources(struct ct_mixer *mixer)
{
struct sum_mgr *sum_mgr;
struct sum *sum;
struct sum_desc sum_desc = {0};
struct amixer_mgr *amixer_mgr;
struct amixer *amixer;
struct amixer_desc am_desc = {0};
int err;
int i;
/* Allocate sum resources for mixer obj */
sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
sum_desc.msr = mixer->atc->msr;
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
err = sum_mgr->get_sum(sum_mgr, &sum_desc, &sum);
if (err) {
printk(KERN_ERR "ctxfi:Failed to get sum resources for "
"front output!\n");
break;
}
mixer->sums[i] = sum;
}
if (err)
goto error1;
/* Allocate amixer resources for mixer obj */
amixer_mgr = (struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
am_desc.msr = mixer->atc->msr;
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
err = amixer_mgr->get_amixer(amixer_mgr, &am_desc, &amixer);
if (err) {
printk(KERN_ERR "ctxfi:Failed to get amixer resources "
"for mixer obj!\n");
break;
}
mixer->amixers[i] = amixer;
}
if (err)
goto error2;
return 0;
error2:
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
if (NULL != mixer->amixers[i]) {
amixer = mixer->amixers[i];
amixer_mgr->put_amixer(amixer_mgr, amixer);
mixer->amixers[i] = NULL;
}
}
error1:
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
if (NULL != mixer->sums[i]) {
sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
mixer->sums[i] = NULL;
}
}
return err;
}
static int ct_mixer_get_mem(struct ct_mixer **rmixer)
{
struct ct_mixer *mixer;
int err;
*rmixer = NULL;
/* Allocate mem for mixer obj */
mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
if (!mixer)
return -ENOMEM;
mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
GFP_KERNEL);
if (!mixer->amixers) {
err = -ENOMEM;
goto error1;
}
mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
if (!mixer->sums) {
err = -ENOMEM;
goto error2;
}
*rmixer = mixer;
return 0;
error2:
kfree(mixer->amixers);
error1:
kfree(mixer);
return err;
}
static int ct_mixer_topology_build(struct ct_mixer *mixer)
{
struct sum *sum;
struct amixer *amix_d, *amix_s;
enum CT_AMIXER_CTL i, j;
/* Build topology from destination to source */
/* Set up Master mixer */
for (i = AMIXER_MASTER_F, j = SUM_IN_F;
i <= AMIXER_MASTER_S; i++, j++) {
amix_d = mixer->amixers[i*CHN_NUM];
sum = mixer->sums[j*CHN_NUM];
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
amix_d = mixer->amixers[i*CHN_NUM+1];
sum = mixer->sums[j*CHN_NUM+1];
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
}
/* Set up Wave-out mixer */
for (i = AMIXER_WAVE_F, j = AMIXER_MASTER_F;
i <= AMIXER_WAVE_S; i++, j++) {
amix_d = mixer->amixers[i*CHN_NUM];
amix_s = mixer->amixers[j*CHN_NUM];
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
amix_d = mixer->amixers[i*CHN_NUM+1];
amix_s = mixer->amixers[j*CHN_NUM+1];
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
}
/* Set up S/PDIF-out mixer */
amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM];
amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM];
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
amix_d = mixer->amixers[AMIXER_SPDIFO*CHN_NUM+1];
amix_s = mixer->amixers[AMIXER_MASTER_F*CHN_NUM+1];
amix_d->ops->setup(amix_d, &amix_s->rsc, INIT_VOL, NULL);
/* Set up PCM-in mixer */
for (i = AMIXER_PCM_F, j = SUM_IN_F; i <= AMIXER_PCM_S; i++, j++) {
amix_d = mixer->amixers[i*CHN_NUM];
sum = mixer->sums[j*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[i*CHN_NUM+1];
sum = mixer->sums[j*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
}
/* Set up Line-in mixer */
amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM];
sum = mixer->sums[SUM_IN_F*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_LINEIN*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
/* Set up Mic-in mixer */
amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM];
sum = mixer->sums[SUM_IN_F*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_MIC*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
/* Set up S/PDIF-in mixer */
amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM];
sum = mixer->sums[SUM_IN_F*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_SPDIFI*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
/* Set up Master recording mixer */
amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
amix_d = mixer->amixers[AMIXER_MASTER_F_C*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
amix_d->ops->setup(amix_d, &sum->rsc, INIT_VOL, NULL);
/* Set up PCM-in recording mixer */
amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_PCM_F_C*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
/* Set up Line-in recording mixer */
amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_LINEIN_C*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
/* Set up Mic-in recording mixer */
amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_MIC_C*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
/* Set up S/PDIF-in recording mixer */
amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
amix_d = mixer->amixers[AMIXER_SPDIFI_C*CHN_NUM+1];
sum = mixer->sums[SUM_IN_F_C*CHN_NUM+1];
amix_d->ops->setup(amix_d, NULL, INIT_VOL, sum);
return 0;
}
static int mixer_set_input_port(struct amixer *amixer, struct rsc *rsc)
{
amixer->ops->set_input(amixer, rsc);
amixer->ops->commit_write(amixer);
return 0;
}
static enum CT_AMIXER_CTL port_to_amixer(enum MIXER_PORT_T type)
{
switch (type) {
case MIX_WAVE_FRONT: return AMIXER_WAVE_F;
case MIX_WAVE_SURROUND: return AMIXER_WAVE_S;
case MIX_WAVE_CENTLFE: return AMIXER_WAVE_C;
case MIX_WAVE_REAR: return AMIXER_WAVE_R;
case MIX_PCMO_FRONT: return AMIXER_MASTER_F_C;
case MIX_SPDIF_OUT: return AMIXER_SPDIFO;
case MIX_LINE_IN: return AMIXER_LINEIN;
case MIX_MIC_IN: return AMIXER_MIC;
case MIX_SPDIF_IN: return AMIXER_SPDIFI;
case MIX_PCMI_FRONT: return AMIXER_PCM_F;
case MIX_PCMI_SURROUND: return AMIXER_PCM_S;
case MIX_PCMI_CENTLFE: return AMIXER_PCM_C;
case MIX_PCMI_REAR: return AMIXER_PCM_R;
default: return 0;
}
}
static int mixer_get_output_ports(struct ct_mixer *mixer,
enum MIXER_PORT_T type,
struct rsc **rleft, struct rsc **rright)
{
enum CT_AMIXER_CTL amix = port_to_amixer(type);
if (NULL != rleft)
*rleft = &((struct amixer *)mixer->amixers[amix*CHN_NUM])->rsc;
if (NULL != rright)
*rright =
&((struct amixer *)mixer->amixers[amix*CHN_NUM+1])->rsc;
return 0;
}
static int mixer_set_input_left(struct ct_mixer *mixer,
enum MIXER_PORT_T type, struct rsc *rsc)
{
enum CT_AMIXER_CTL amix = port_to_amixer(type);
mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
amix = get_recording_amixer(amix);
if (amix < NUM_CT_AMIXERS)
mixer_set_input_port(mixer->amixers[amix*CHN_NUM], rsc);
return 0;
}
static int
mixer_set_input_right(struct ct_mixer *mixer,
enum MIXER_PORT_T type, struct rsc *rsc)
{
enum CT_AMIXER_CTL amix = port_to_amixer(type);
mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
amix = get_recording_amixer(amix);
if (amix < NUM_CT_AMIXERS)
mixer_set_input_port(mixer->amixers[amix*CHN_NUM+1], rsc);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int mixer_resume(struct ct_mixer *mixer)
{
int i, state;
struct amixer *amixer;
/* resume topology and volume gain. */
for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
amixer = mixer->amixers[i];
amixer->ops->commit_write(amixer);
}
/* resume switch state. */
for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
state = get_switch_state(mixer, i);
do_switch(mixer->atc, i, state);
}
return 0;
}
#endif
int ct_mixer_destroy(struct ct_mixer *mixer)
{
struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
struct amixer_mgr *amixer_mgr =
(struct amixer_mgr *)mixer->atc->rsc_mgrs[AMIXER];
struct amixer *amixer;
int i = 0;
/* Release amixer resources */
for (i = 0; i < (NUM_CT_AMIXERS * CHN_NUM); i++) {
if (NULL != mixer->amixers[i]) {
amixer = mixer->amixers[i];
amixer_mgr->put_amixer(amixer_mgr, amixer);
}
}
/* Release sum resources */
for (i = 0; i < (NUM_CT_SUMS * CHN_NUM); i++) {
if (NULL != mixer->sums[i])
sum_mgr->put_sum(sum_mgr, (struct sum *)mixer->sums[i]);
}
/* Release mem assigned to mixer object */
kfree(mixer->sums);
kfree(mixer->amixers);
kfree(mixer);
return 0;
}
int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
{
struct ct_mixer *mixer;
int err;
*rmixer = NULL;
/* Allocate mem for mixer obj */
err = ct_mixer_get_mem(&mixer);
if (err)
return err;
mixer->switch_state = 0;
mixer->atc = atc;
/* Set operations */
mixer->get_output_ports = mixer_get_output_ports;
mixer->set_input_left = mixer_set_input_left;
mixer->set_input_right = mixer_set_input_right;
#ifdef CONFIG_PM_SLEEP
mixer->resume = mixer_resume;
#endif
/* Allocate chip resources for mixer obj */
err = ct_mixer_get_resources(mixer);
if (err)
goto error;
/* Build internal mixer topology */
ct_mixer_topology_build(mixer);
*rmixer = mixer;
return 0;
error:
ct_mixer_destroy(mixer);
return err;
}
int ct_alsa_mix_create(struct ct_atc *atc,
enum CTALSADEVS device,
const char *device_name)
{
int err;
/* Create snd kcontrol instances on demand */
/* vol_ctl.device = swh_ctl.device = device; */ /* better w/ device 0 */
err = ct_mixer_kcontrols_create((struct ct_mixer *)atc->mixer);
if (err)
return err;
strcpy(atc->card->mixername, device_name);
return 0;
}