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ASoC: mediatek: mt6358: support WoV

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Switch mono DMIC on to support wake-on-voice.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Link: https://lore.kernel.org/r/20191019143504.2.I57266d36564f393e9d701c9db648cc2efb0346fc@changeid
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tzung-Bi Shih 2019-10-19 15:02:52 +08:00 committed by Mark Brown
parent b6bc07d436
commit 8e8c533b13
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 105 additions and 0 deletions
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105
sound/soc/codecs/mt6358.c
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@ -93,6 +93,8 @@ struct mt6358_priv {
int mtkaif_protocol;
struct regulator *avdd_reg;
int wov_enabled;
};
int mt6358_set_mtkaif_protocol(struct snd_soc_component *cmpnt,
@ -464,6 +466,106 @@ static int mt6358_put_volsw(struct snd_kcontrol *kcontrol,
return ret;
}
static void mt6358_restore_pga(struct mt6358_priv *priv);
static int mt6358_enable_wov_phase2(struct mt6358_priv *priv)
{
/* analog */
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
0xffff, 0x0800);
mt6358_restore_pga(priv);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9929);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
0xffff, 0x0025);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
0xffff, 0x0005);
/* digital */
regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x0120);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0xffff);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0200);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2424);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xdbac);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x029e);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
0xffff, 0x0451);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0x68d1);
return 0;
}
static int mt6358_disable_wov_phase2(struct mt6358_priv *priv)
{
/* digital */
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0xc000);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
0xffff, 0x0450);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
0xffff, 0x0c00);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0100);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x006c);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xa879);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2323);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0400);
regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x02d8);
regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
0xffff, 0x0000);
/* analog */
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
0xffff, 0x0004);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
0xffff, 0x0000);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9829);
regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
0xffff, 0x0000);
mt6358_restore_pga(priv);
regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
0xffff, 0x0010);
return 0;
}
static int mt6358_get_wov(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
ucontrol->value.integer.value[0] = priv->wov_enabled;
return 0;
}
static int mt6358_put_wov(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
int enabled = ucontrol->value.integer.value[0];
if (priv->wov_enabled != enabled) {
if (enabled)
mt6358_enable_wov_phase2(priv);
else
mt6358_disable_wov_phase2(priv);
priv->wov_enabled = enabled;
}
return 0;
}
static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
@ -483,6 +585,9 @@ static const struct snd_kcontrol_new mt6358_snd_controls[] = {
MT6358_AUDENC_ANA_CON0, MT6358_AUDENC_ANA_CON1,
8, 4, 0,
snd_soc_get_volsw, mt6358_put_volsw, pga_tlv),
SOC_SINGLE_BOOL_EXT("Wake-on-Voice Phase2 Switch", 0,
mt6358_get_wov, mt6358_put_wov),
};
/* MUX */