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ASoC: mediatek: mt6359: add the calibration functions 

Add the calibraion functions for initializing the codec when registering
the machine driver.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Link: https://lore.kernel.org/r/1604390378-23993-2-git-send-email-jiaxin.yu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Jiaxin Yu 2020-11-03 15:59:30 +08:00 committed by Mark Brown
parent 32c5dca18b
commit 682c5a72a2
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 117 additions and 0 deletions
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110
sound/soc/codecs/mt6359.c
View File

@ -68,6 +68,38 @@ static void mt6359_reset_capture_gpio(struct mt6359_priv *priv)
0x3 << 0, 0x0);
}
/* use only when doing mtkaif calibraiton at the boot time */
static void mt6359_set_dcxo(struct mt6359_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6359_DCXO_CW12,
0x1 << RG_XO_AUDIO_EN_M_SFT,
(enable ? 1 : 0) << RG_XO_AUDIO_EN_M_SFT);
}
/* use only when doing mtkaif calibraiton at the boot time */
static void mt6359_set_clksq(struct mt6359_priv *priv, bool enable)
{
/* Enable/disable CLKSQ 26MHz */
regmap_update_bits(priv->regmap, MT6359_AUDENC_ANA_CON23,
RG_CLKSQ_EN_MASK_SFT,
(enable ? 1 : 0) << RG_CLKSQ_EN_SFT);
}
/* use only when doing mtkaif calibraiton at the boot time */
static void mt6359_set_aud_global_bias(struct mt6359_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON13,
RG_AUDGLB_PWRDN_VA32_MASK_SFT,
(enable ? 0 : 1) << RG_AUDGLB_PWRDN_VA32_SFT);
}
/* use only when doing mtkaif calibraiton at the boot time */
static void mt6359_set_topck(struct mt6359_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6359_AUD_TOP_CKPDN_CON0,
0x0066, enable ? 0x0 : 0x66);
}
static void mt6359_set_decoder_clk(struct mt6359_priv *priv, bool enable)
{
regmap_update_bits(priv->regmap, MT6359_AUDDEC_ANA_CON13,
@ -122,6 +154,84 @@ static void mt6359_mtkaif_tx_disable(struct mt6359_priv *priv)
0xff00, 0x3000);
}
void mt6359_set_mtkaif_protocol(struct snd_soc_component *cmpnt,
int mtkaif_protocol)
{
struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
priv->mtkaif_protocol = mtkaif_protocol;
}
EXPORT_SYMBOL_GPL(mt6359_set_mtkaif_protocol);
void mt6359_mtkaif_calibration_enable(struct snd_soc_component *cmpnt)
{
struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
mt6359_set_playback_gpio(priv);
mt6359_set_capture_gpio(priv);
mt6359_mtkaif_tx_enable(priv);
mt6359_set_dcxo(priv, true);
mt6359_set_aud_global_bias(priv, true);
mt6359_set_clksq(priv, true);
mt6359_set_topck(priv, true);
/* set dat_miso_loopback on */
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
1 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
1 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG1,
RG_AUD_PAD_TOP_DAT_MISO3_LOOPBACK_MASK_SFT,
1 << RG_AUD_PAD_TOP_DAT_MISO3_LOOPBACK_SFT);
}
EXPORT_SYMBOL_GPL(mt6359_mtkaif_calibration_enable);
void mt6359_mtkaif_calibration_disable(struct snd_soc_component *cmpnt)
{
struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
/* set dat_miso_loopback off */
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
0 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
0 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG1,
RG_AUD_PAD_TOP_DAT_MISO3_LOOPBACK_MASK_SFT,
0 << RG_AUD_PAD_TOP_DAT_MISO3_LOOPBACK_SFT);
mt6359_set_topck(priv, false);
mt6359_set_clksq(priv, false);
mt6359_set_aud_global_bias(priv, false);
mt6359_set_dcxo(priv, false);
mt6359_mtkaif_tx_disable(priv);
mt6359_reset_playback_gpio(priv);
mt6359_reset_capture_gpio(priv);
}
EXPORT_SYMBOL_GPL(mt6359_mtkaif_calibration_disable);
void mt6359_set_mtkaif_calibration_phase(struct snd_soc_component *cmpnt,
int phase_1, int phase_2, int phase_3)
{
struct mt6359_priv *priv = snd_soc_component_get_drvdata(cmpnt);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_PHASE_MODE_MASK_SFT,
phase_1 << RG_AUD_PAD_TOP_PHASE_MODE_SFT);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG,
RG_AUD_PAD_TOP_PHASE_MODE2_MASK_SFT,
phase_2 << RG_AUD_PAD_TOP_PHASE_MODE2_SFT);
regmap_update_bits(priv->regmap, MT6359_AUDIO_DIG_CFG1,
RG_AUD_PAD_TOP_PHASE_MODE3_MASK_SFT,
phase_3 << RG_AUD_PAD_TOP_PHASE_MODE3_SFT);
}
EXPORT_SYMBOL_GPL(mt6359_set_mtkaif_calibration_phase);
static void zcd_disable(struct mt6359_priv *priv)
{
regmap_write(priv->regmap, MT6359_ZCD_CON0, 0x0000);

7
sound/soc/codecs/mt6359.h
View File

@ -2637,4 +2637,11 @@ struct mt6359_priv {
(type) == MIC_TYPE_MUX_DCC_ECM_DIFF || \
(type) == MIC_TYPE_MUX_DCC_ECM_SINGLE)
void mt6359_set_mtkaif_protocol(struct snd_soc_component *cmpnt,
int mtkaif_protocol);
void mt6359_mtkaif_calibration_enable(struct snd_soc_component *cmpnt);
void mt6359_mtkaif_calibration_disable(struct snd_soc_component *cmpnt);
void mt6359_set_mtkaif_calibration_phase(struct snd_soc_component *cmpnt,
int phase_1, int phase_2, int phase_3);
#endif/* end _MT6359_H_ */