Switch mono DMIC on to support wake-on-voice.
Signed-off-by: Tzung-Bi Shih tzungbi@google.com --- sound/soc/codecs/mt6358.c | 105 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+)
diff --git a/sound/soc/codecs/mt6358.c b/sound/soc/codecs/mt6358.c index bb737fd678cc..1b830ea4f6ed 100644 --- a/sound/soc/codecs/mt6358.c +++ b/sound/soc/codecs/mt6358.c @@ -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 */