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Diffstat (limited to 'sound/soc/codecs/tlv320adcx140.c')
-rw-r--r--sound/soc/codecs/tlv320adcx140.c205
1 files changed, 159 insertions, 46 deletions
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index 5cd50d841177..53a80246aee1 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);
@@ -412,6 +412,16 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = {
SND_SOC_DAPM_ADC("CH3_ADC", "CH3 Capture", ADCX140_IN_CH_EN, 5, 0),
SND_SOC_DAPM_ADC("CH4_ADC", "CH4 Capture", ADCX140_IN_CH_EN, 4, 0),
+ SND_SOC_DAPM_ADC("CH1_DIG", "CH1 Capture", ADCX140_IN_CH_EN, 7, 0),
+ SND_SOC_DAPM_ADC("CH2_DIG", "CH2 Capture", ADCX140_IN_CH_EN, 6, 0),
+ SND_SOC_DAPM_ADC("CH3_DIG", "CH3 Capture", ADCX140_IN_CH_EN, 5, 0),
+ SND_SOC_DAPM_ADC("CH4_DIG", "CH4 Capture", ADCX140_IN_CH_EN, 4, 0),
+ SND_SOC_DAPM_ADC("CH5_DIG", "CH5 Capture", ADCX140_IN_CH_EN, 3, 0),
+ SND_SOC_DAPM_ADC("CH6_DIG", "CH6 Capture", ADCX140_IN_CH_EN, 2, 0),
+ SND_SOC_DAPM_ADC("CH7_DIG", "CH7 Capture", ADCX140_IN_CH_EN, 1, 0),
+ SND_SOC_DAPM_ADC("CH8_DIG", "CH8 Capture", ADCX140_IN_CH_EN, 0, 0),
+
+
SND_SOC_DAPM_SWITCH("CH1_ASI_EN", SND_SOC_NOPM, 0, 0,
&adcx140_dapm_ch1_en_switch),
SND_SOC_DAPM_SWITCH("CH2_ASI_EN", SND_SOC_NOPM, 0, 0,
@@ -470,6 +480,15 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = {
{"CH3_ASI_EN", "Switch", "CH3_ADC"},
{"CH4_ASI_EN", "Switch", "CH4_ADC"},
+ {"CH1_ASI_EN", "Switch", "CH1_DIG"},
+ {"CH2_ASI_EN", "Switch", "CH2_DIG"},
+ {"CH3_ASI_EN", "Switch", "CH3_DIG"},
+ {"CH4_ASI_EN", "Switch", "CH4_DIG"},
+ {"CH5_ASI_EN", "Switch", "CH5_DIG"},
+ {"CH6_ASI_EN", "Switch", "CH6_DIG"},
+ {"CH7_ASI_EN", "Switch", "CH7_DIG"},
+ {"CH8_ASI_EN", "Switch", "CH8_DIG"},
+
{"CH5_ASI_EN", "Switch", "CH5_OUT"},
{"CH6_ASI_EN", "Switch", "CH6_OUT"},
{"CH7_ASI_EN", "Switch", "CH7_OUT"},
@@ -541,6 +560,15 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = {
{"PDM Clk Div Select", "705.6 kHz", "MIC1P Input Mux"},
{"PDM Clk Div Select", "5.6448 MHz", "MIC1P Input Mux"},
+ {"MIC1P Input Mux", NULL, "CH1_DIG"},
+ {"MIC1M Input Mux", NULL, "CH2_DIG"},
+ {"MIC2P Input Mux", NULL, "CH3_DIG"},
+ {"MIC2M Input Mux", NULL, "CH4_DIG"},
+ {"MIC3P Input Mux", NULL, "CH5_DIG"},
+ {"MIC3M Input Mux", NULL, "CH6_DIG"},
+ {"MIC4P Input Mux", NULL, "CH7_DIG"},
+ {"MIC4M Input Mux", NULL, "CH8_DIG"},
+
{"MIC1 Analog Mux", "Line In", "MIC1P"},
{"MIC2 Analog Mux", "Line In", "MIC2P"},
{"MIC3 Analog Mux", "Line In", "MIC3P"},
@@ -554,6 +582,15 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = {
{"MIC3M Input Mux", "Analog", "MIC3M"},
{"MIC4P Input Mux", "Analog", "MIC4P"},
{"MIC4M Input Mux", "Analog", "MIC4M"},
+
+ {"MIC1P Input Mux", "Digital", "MIC1P"},
+ {"MIC1M Input Mux", "Digital", "MIC1M"},
+ {"MIC2P Input Mux", "Digital", "MIC2P"},
+ {"MIC2M Input Mux", "Digital", "MIC2M"},
+ {"MIC3P Input Mux", "Digital", "MIC3P"},
+ {"MIC3M Input Mux", "Digital", "MIC3M"},
+ {"MIC4P Input Mux", "Digital", "MIC4P"},
+ {"MIC4M Input Mux", "Digital", "MIC4M"},
};
static const struct snd_kcontrol_new adcx140_snd_controls[] = {
@@ -614,11 +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)) {
@@ -640,9 +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;
}
@@ -654,7 +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) {
@@ -670,24 +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:
@@ -697,18 +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 |
@@ -721,6 +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;
}
@@ -800,6 +861,42 @@ static int adcx140_configure_gpo(struct adcx140_priv *adcx140)
}
+static int adcx140_configure_gpio(struct adcx140_priv *adcx140)
+{
+ int gpio_count = 0;
+ u32 gpio_outputs[ADCX140_NUM_GPIO_CFGS];
+ u32 gpio_output_val = 0;
+ int ret;
+
+ gpio_count = device_property_count_u32(adcx140->dev,
+ "ti,gpio-config");
+ if (gpio_count == 0)
+ return 0;
+
+ if (gpio_count != ADCX140_NUM_GPIO_CFGS)
+ return -EINVAL;
+
+ ret = device_property_read_u32_array(adcx140->dev, "ti,gpio-config",
+ gpio_outputs, gpio_count);
+ if (ret)
+ return ret;
+
+ if (gpio_outputs[0] > ADCX140_GPIO_CFG_MAX) {
+ dev_err(adcx140->dev, "GPIO config out of range\n");
+ return -EINVAL;
+ }
+
+ if (gpio_outputs[1] > ADCX140_GPIO_DRV_MAX) {
+ dev_err(adcx140->dev, "GPIO drive out of range\n");
+ return -EINVAL;
+ }
+
+ gpio_output_val = gpio_outputs[0] << ADCX140_GPIO_SHIFT
+ | gpio_outputs[1];
+
+ return regmap_write(adcx140->regmap, ADCX140_GPIO_CFG0, gpio_output_val);
+}
+
static int adcx140_codec_probe(struct snd_soc_component *component)
{
struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component);
@@ -815,15 +912,15 @@ static int adcx140_codec_probe(struct snd_soc_component *component)
u32 gpi_input_val = 0;
int i;
int ret;
+ bool tx_high_z;
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",
@@ -842,6 +939,18 @@ 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) {
@@ -885,27 +994,31 @@ static int adcx140_codec_probe(struct snd_soc_component *component)
return ret;
}
- ret = adcx140_configure_gpo(adcx140);
+ ret = adcx140_configure_gpio(adcx140);
if (ret)
- goto out;
-
- if (adcx140->supply_areg == NULL)
- sleep_cfg_val |= ADCX140_AREG_INTERNAL;
+ return ret;
- ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val);
- if (ret) {
- dev_err(adcx140->dev, "setting sleep config failed %d\n", ret);
+ ret = adcx140_configure_gpo(adcx140);
+ if (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);
+
+ tx_high_z = device_property_read_bool(adcx140->dev, "ti,asi-tx-drive");
+ if (tx_high_z) {
+ ret = regmap_update_bits(adcx140->regmap, ADCX140_ASI_CFG0,
+ ADCX140_TX_FILL, ADCX140_TX_FILL);
+ if (ret) {
+ dev_err(adcx140->dev, "Setting Tx drive failed %d\n", ret);
+ goto out;
+ }
+ }
+
+ adcx140_pwr_ctrl(adcx140, true);
out:
return ret;
}
@@ -914,21 +1027,19 @@ 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 = {
@@ -980,6 +1091,8 @@ 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))
@@ -1007,7 +1120,7 @@ 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,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.