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ALSA HDA VIA: Add VIA_CTL_WIDGET_ANALOG_MUTE control type
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Enter low power state if AA-Path volume is muted.

Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Logan Li <loganli@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Lydia Wang authored and Takashi Iwai committed Oct 11, 2009
1 parent c2c02ea commit f527110
Showing 1 changed file with 239 additions and 1 deletion.
240 changes: 239 additions & 1 deletion sound/pci/hda/patch_via.c
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Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,7 @@ static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
enum {
VIA_CTL_WIDGET_VOL,
VIA_CTL_WIDGET_MUTE,
VIA_CTL_WIDGET_ANALOG_MUTE,
};

enum {
Expand Down Expand Up @@ -177,9 +178,34 @@ static int mic_boost_volume_info(struct snd_kcontrol *kcontrol,
return 0;
}

static void analog_low_current_mode(struct hda_codec *codec, int stream_idle);
static void set_jack_power_state(struct hda_codec *codec);

static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
int change = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);

set_jack_power_state(codec);
analog_low_current_mode(snd_kcontrol_chip(kcontrol), -1);
return change;
}

/* modify .put = snd_hda_mixer_amp_switch_put */
#define ANALOG_INPUT_MUTE \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
.name = NULL, \
.index = 0, \
.info = snd_hda_mixer_amp_switch_info, \
.get = snd_hda_mixer_amp_switch_get, \
.put = analog_input_switch_put, \
.private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0) }

static struct snd_kcontrol_new vt1708_control_templates[] = {
HDA_CODEC_VOLUME(NULL, 0, 0, 0),
HDA_CODEC_MUTE(NULL, 0, 0, 0),
ANALOG_INPUT_MUTE,
};


Expand Down Expand Up @@ -303,7 +329,7 @@ static int via_new_analog_input(struct via_spec *spec, hda_nid_t pin,
if (err < 0)
return err;
sprintf(name, "%s Playback Switch", ctlname);
err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
err = via_add_control(spec, VIA_CTL_WIDGET_ANALOG_MUTE, name,
HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
if (err < 0)
return err;
Expand Down Expand Up @@ -362,6 +388,131 @@ static void via_auto_init_analog_input(struct hda_codec *codec)

}
}

static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
unsigned int *affected_parm)
{
unsigned parm;
unsigned def_conf = snd_hda_codec_get_pincfg(codec, nid);
unsigned no_presence = (def_conf & AC_DEFCFG_MISC)
>> AC_DEFCFG_MISC_SHIFT
& AC_DEFCFG_MISC_NO_PRESENCE; /* do not support pin sense */
unsigned present = snd_hda_codec_read(codec, nid, 0,
AC_VERB_GET_PIN_SENSE, 0) >> 31;

if ((no_presence || present) && get_defcfg_connect(def_conf)
!= AC_JACK_PORT_NONE) {
*affected_parm = AC_PWRST_D0; /* if it's connected */
parm = AC_PWRST_D0;
} else
parm = AC_PWRST_D3;

snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
}

static void set_jack_power_state(struct hda_codec *codec)
{
struct via_spec *spec = codec->spec;
int imux_is_smixer;
unsigned int parm;

if (spec->codec_type == VT1702) {
imux_is_smixer = snd_hda_codec_read(
codec, 0x13, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
/* inputs */
/* PW 1/2/5 (14h/15h/18h) */
parm = AC_PWRST_D3;
set_pin_power_state(codec, 0x14, &parm);
set_pin_power_state(codec, 0x15, &parm);
set_pin_power_state(codec, 0x18, &parm);
if (imux_is_smixer)
parm = AC_PWRST_D0; /* SW0 = stereo mixer (idx 3) */
/* SW0 (13h), AIW 0/1/2 (12h/1fh/20h) */
snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x12, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x1f, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x20, 0, AC_VERB_SET_POWER_STATE,
parm);

/* outputs */
/* PW 3/4 (16h/17h) */
parm = AC_PWRST_D3;
set_pin_power_state(codec, 0x16, &parm);
set_pin_power_state(codec, 0x17, &parm);
/* MW0 (1ah), AOW 0/1 (10h/1dh) */
snd_hda_codec_write(codec, 0x1a, 0, AC_VERB_SET_POWER_STATE,
imux_is_smixer ? AC_PWRST_D0 : parm);
snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x1d, 0, AC_VERB_SET_POWER_STATE,
parm);
} else if (spec->codec_type == VT1708B_8CH
|| spec->codec_type == VT1708B_4CH
|| spec->codec_type == VT1708S) {
/* SW0 (17h) = stereo mixer */
int is_8ch = spec->codec_type != VT1708B_4CH;
imux_is_smixer = snd_hda_codec_read(
codec, 0x17, 0, AC_VERB_GET_CONNECT_SEL, 0x00)
== ((spec->codec_type == VT1708S) ? 5 : 0);
/* inputs */
/* PW 1/2/5 (1ah/1bh/1eh) */
parm = AC_PWRST_D3;
set_pin_power_state(codec, 0x1a, &parm);
set_pin_power_state(codec, 0x1b, &parm);
set_pin_power_state(codec, 0x1e, &parm);
if (imux_is_smixer)
parm = AC_PWRST_D0;
/* SW0 (17h), AIW 0/1 (13h/14h) */
snd_hda_codec_write(codec, 0x17, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x13, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x14, 0, AC_VERB_SET_POWER_STATE,
parm);

/* outputs */
/* PW0 (19h), SW1 (18h), AOW1 (11h) */
parm = AC_PWRST_D3;
set_pin_power_state(codec, 0x19, &parm);
snd_hda_codec_write(codec, 0x18, 0, AC_VERB_SET_POWER_STATE,
parm);
snd_hda_codec_write(codec, 0x11, 0, AC_VERB_SET_POWER_STATE,
parm);

/* PW6 (22h), SW2 (26h), AOW2 (24h) */
if (is_8ch) {
parm = AC_PWRST_D3;
set_pin_power_state(codec, 0x22, &parm);
snd_hda_codec_write(codec, 0x26, 0,
AC_VERB_SET_POWER_STATE, parm);
snd_hda_codec_write(codec, 0x24, 0,
AC_VERB_SET_POWER_STATE, parm);
}

/* PW 3/4/7 (1ch/1dh/23h) */
parm = AC_PWRST_D3;
/* force to D0 for internal Speaker */
set_pin_power_state(codec, 0x1c, &parm);
set_pin_power_state(codec, 0x1d, &parm);
if (is_8ch)
set_pin_power_state(codec, 0x23, &parm);
/* MW0 (16h), Sw3 (27h), AOW 0/3 (10h/25h) */
snd_hda_codec_write(codec, 0x16, 0, AC_VERB_SET_POWER_STATE,
imux_is_smixer ? AC_PWRST_D0 : parm);
snd_hda_codec_write(codec, 0x10, 0, AC_VERB_SET_POWER_STATE,
parm);
if (is_8ch) {
snd_hda_codec_write(codec, 0x25, 0,
AC_VERB_SET_POWER_STATE, parm);
snd_hda_codec_write(codec, 0x27, 0,
AC_VERB_SET_POWER_STATE, parm);
}
}
}

/*
* input MUX handling
*/
Expand Down Expand Up @@ -504,6 +655,93 @@ static struct snd_kcontrol_new vt1708_capture_mixer[] = {
},
{ } /* end */
};

/* check AA path's mute statue */
static int is_aa_path_mute(struct hda_codec *codec)
{
int mute = 1;
hda_nid_t nid_mixer;
int start_idx;
int end_idx;
int i;
struct via_spec *spec = codec->spec;
/* get nid of MW0 and start & end index */
switch (spec->codec_type) {
case VT1708B_8CH:
case VT1708B_4CH:
case VT1708S:
nid_mixer = 0x16;
start_idx = 2;
end_idx = 4;
break;
case VT1702:
nid_mixer = 0x1a;
start_idx = 1;
end_idx = 3;
break;
default:
return 0;
}
/* check AA path's mute status */
for (i = start_idx; i <= end_idx; i++) {
unsigned int con_list = snd_hda_codec_read(
codec, nid_mixer, 0, AC_VERB_GET_CONNECT_LIST, i/4*4);
int shift = 8 * (i % 4);
hda_nid_t nid_pin = (con_list & (0xff << shift)) >> shift;
unsigned int defconf = snd_hda_codec_get_pincfg(codec, nid_pin);
if (get_defcfg_connect(defconf) == AC_JACK_PORT_COMPLEX) {
/* check mute status while the pin is connected */
int mute_l = snd_hda_codec_amp_read(codec, nid_mixer, 0,
HDA_INPUT, i) >> 7;
int mute_r = snd_hda_codec_amp_read(codec, nid_mixer, 1,
HDA_INPUT, i) >> 7;
if (!mute_l || !mute_r) {
mute = 0;
break;
}
}
}
return mute;
}

/* enter/exit analog low-current mode */
static void analog_low_current_mode(struct hda_codec *codec, int stream_idle)
{
struct via_spec *spec = codec->spec;
static int saved_stream_idle = 1; /* saved stream idle status */
int enable = is_aa_path_mute(codec);
unsigned int verb = 0;
unsigned int parm = 0;

if (stream_idle == -1) /* stream status did not change */
enable = enable && saved_stream_idle;
else {
enable = enable && stream_idle;
saved_stream_idle = stream_idle;
}

/* decide low current mode's verb & parameter */
switch (spec->codec_type) {
case VT1708B_8CH:
case VT1708B_4CH:
verb = 0xf70;
parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
break;
case VT1708S:
verb = 0xf73;
parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
break;
case VT1702:
verb = 0xf73;
parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
break;
default:
return; /* other codecs are not supported */
}
/* send verb */
snd_hda_codec_write(codec, codec->afg, 0, verb, parm);
}

/*
* generic initialization of ADC, input mixers and output mixers
*/
Expand Down

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