diff options
author | Mark Brown <broonie@kernel.org> | 2020-09-17 18:35:38 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2020-09-17 18:35:38 +0300 |
commit | 4db68e62a0b912655c598de829b05b2383da0cab (patch) | |
tree | 14c717646e8de62283aaa9c08b747e8db3871dbd /sound/soc/codecs/tlv320adcx140.c | |
parent | d70a4412e264cd8ff7a034505184c0b54876532a (diff) | |
parent | 244ac15de75ca62ed7a09c7291b67aeead9e12ac (diff) | |
download | linux-4db68e62a0b912655c598de829b05b2383da0cab.tar.xz |
Merge branch 'asoc-5.9' into asoc-5.10
Diffstat (limited to 'sound/soc/codecs/tlv320adcx140.c')
-rw-r--r-- | sound/soc/codecs/tlv320adcx140.c | 117 |
1 files changed, 71 insertions, 46 deletions
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 5d1b2a03f0ac..cf5cbe314f7e 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -30,7 +30,7 @@ struct adcx140_priv { struct regmap *regmap; struct device *dev; - int micbias_vg; + bool micbias_vg; unsigned int dai_fmt; unsigned int tdm_delay; @@ -161,7 +161,7 @@ static const struct regmap_config adcx140_i2c_regmap = { }; /* Digital Volume control. From -100 to 27 dB in 0.5 dB steps */ -static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10000, 50, 0); +static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10050, 50, 0); /* ADC gain. From 0 to 42 dB in 1 dB steps */ static DECLARE_TLV_DB_SCALE(adc_tlv, 0, 100, 0); @@ -651,11 +651,26 @@ static int adcx140_reset(struct adcx140_priv *adcx140) return ret; } +static void adcx140_pwr_ctrl(struct adcx140_priv *adcx140, bool power_state) +{ + int pwr_ctrl = 0; + + if (power_state) + pwr_ctrl = ADCX140_PWR_CFG_ADC_PDZ | ADCX140_PWR_CFG_PLL_PDZ; + + if (adcx140->micbias_vg && power_state) + pwr_ctrl |= ADCX140_PWR_CFG_BIAS_PDZ; + + regmap_update_bits(adcx140->regmap, ADCX140_PWR_CFG, + ADCX140_PWR_CTRL_MSK, pwr_ctrl); +} + static int adcx140_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; + struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); u8 data = 0; switch (params_width(params)) { @@ -677,9 +692,13 @@ static int adcx140_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } + adcx140_pwr_ctrl(adcx140, false); + snd_soc_component_update_bits(component, ADCX140_ASI_CFG0, ADCX140_WORD_LEN_MSK, data); + adcx140_pwr_ctrl(adcx140, true); + return 0; } @@ -691,7 +710,7 @@ static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, u8 iface_reg1 = 0; u8 iface_reg2 = 0; int offset = 0; - int width = adcx140->slot_width; + bool inverted_bclk = false; /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { @@ -707,24 +726,6 @@ static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, return -EINVAL; } - /* signal polarity */ - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_NB_IF: - iface_reg1 |= ADCX140_FSYNCINV_BIT; - break; - case SND_SOC_DAIFMT_IB_IF: - iface_reg1 |= ADCX140_BCLKINV_BIT | ADCX140_FSYNCINV_BIT; - break; - case SND_SOC_DAIFMT_IB_NF: - iface_reg1 |= ADCX140_BCLKINV_BIT; - break; - case SND_SOC_DAIFMT_NB_NF: - break; - default: - dev_err(component->dev, "Invalid DAI clock signal polarity\n"); - return -EINVAL; - } - /* interface format */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: @@ -734,18 +735,40 @@ static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, iface_reg1 |= ADCX140_LEFT_JUST_BIT; break; case SND_SOC_DAIFMT_DSP_A: - offset += (adcx140->tdm_delay * width + 1); + offset = 1; + inverted_bclk = true; break; case SND_SOC_DAIFMT_DSP_B: - offset += adcx140->tdm_delay * width; + inverted_bclk = true; break; default: dev_err(component->dev, "Invalid DAI interface format\n"); return -EINVAL; } + /* signal polarity */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_IB_NF: + case SND_SOC_DAIFMT_IB_IF: + inverted_bclk = !inverted_bclk; + break; + case SND_SOC_DAIFMT_NB_IF: + iface_reg1 |= ADCX140_FSYNCINV_BIT; + break; + case SND_SOC_DAIFMT_NB_NF: + break; + default: + dev_err(component->dev, "Invalid DAI clock signal polarity\n"); + return -EINVAL; + } + + if (inverted_bclk) + iface_reg1 |= ADCX140_BCLKINV_BIT; + adcx140->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK; + adcx140_pwr_ctrl(adcx140, false); + snd_soc_component_update_bits(component, ADCX140_ASI_CFG0, ADCX140_FSYNCINV_BIT | ADCX140_BCLKINV_BIT | @@ -758,6 +781,7 @@ static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, snd_soc_component_update_bits(component, ADCX140_ASI_CFG1, ADCX140_TX_OFFSET_MASK, offset); + adcx140_pwr_ctrl(adcx140, true); return 0; } @@ -855,12 +879,11 @@ static int adcx140_codec_probe(struct snd_soc_component *component) ret = device_property_read_u32(adcx140->dev, "ti,mic-bias-source", &bias_source); - if (ret) + if (ret || bias_source > ADCX140_MIC_BIAS_VAL_AVDD) { bias_source = ADCX140_MIC_BIAS_VAL_VREF; - - if (bias_source > ADCX140_MIC_BIAS_VAL_AVDD) { - dev_err(adcx140->dev, "Mic Bias source value is invalid\n"); - return -EINVAL; + adcx140->micbias_vg = false; + } else { + adcx140->micbias_vg = true; } ret = device_property_read_u32(adcx140->dev, "ti,vref-source", @@ -879,6 +902,18 @@ static int adcx140_codec_probe(struct snd_soc_component *component) if (ret) goto out; + if (adcx140->supply_areg == NULL) + sleep_cfg_val |= ADCX140_AREG_INTERNAL; + + ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val); + if (ret) { + dev_err(adcx140->dev, "setting sleep config failed %d\n", ret); + goto out; + } + + /* 8.4.3: Wait >= 1ms after entering active mode. */ + usleep_range(1000, 100000); + pdm_count = device_property_count_u32(adcx140->dev, "ti,pdm-edge-select"); if (pdm_count <= ADCX140_NUM_PDM_EDGES && pdm_count > 0) { @@ -926,23 +961,13 @@ static int adcx140_codec_probe(struct snd_soc_component *component) if (ret) goto out; - if (adcx140->supply_areg == NULL) - sleep_cfg_val |= ADCX140_AREG_INTERNAL; - - ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val); - if (ret) { - dev_err(adcx140->dev, "setting sleep config failed %d\n", ret); - goto out; - } - - /* 8.4.3: Wait >= 1ms after entering active mode. */ - usleep_range(1000, 100000); - ret = regmap_update_bits(adcx140->regmap, ADCX140_BIAS_CFG, ADCX140_MIC_BIAS_VAL_MSK | ADCX140_MIC_BIAS_VREF_MSK, bias_cfg); if (ret) dev_err(adcx140->dev, "setting MIC bias failed %d\n", ret); + + adcx140_pwr_ctrl(adcx140, true); out: return ret; } @@ -951,21 +976,19 @@ static int adcx140_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); - int pwr_cfg = 0; switch (level) { case SND_SOC_BIAS_ON: case SND_SOC_BIAS_PREPARE: case SND_SOC_BIAS_STANDBY: - pwr_cfg = ADCX140_PWR_CFG_BIAS_PDZ | ADCX140_PWR_CFG_PLL_PDZ | - ADCX140_PWR_CFG_ADC_PDZ; + adcx140_pwr_ctrl(adcx140, true); break; case SND_SOC_BIAS_OFF: - pwr_cfg = 0x0; + adcx140_pwr_ctrl(adcx140, false); break; } - return regmap_write(adcx140->regmap, ADCX140_PWR_CFG, pwr_cfg); + return 0; } static const struct snd_soc_component_driver soc_codec_driver_adcx140 = { @@ -1017,6 +1040,8 @@ static int adcx140_i2c_probe(struct i2c_client *i2c, if (!adcx140) return -ENOMEM; + adcx140->dev = &i2c->dev; + adcx140->gpio_reset = devm_gpiod_get_optional(adcx140->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(adcx140->gpio_reset)) @@ -1044,7 +1069,7 @@ static int adcx140_i2c_probe(struct i2c_client *i2c, ret); return ret; } - adcx140->dev = &i2c->dev; + i2c_set_clientdata(i2c, adcx140); return devm_snd_soc_register_component(&i2c->dev, |