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path: root/sound/soc/codecs/tlv320adcx140.c
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Diffstat (limited to 'sound/soc/codecs/tlv320adcx140.c')
-rw-r--r--sound/soc/codecs/tlv320adcx140.c96
1 files changed, 82 insertions, 14 deletions
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index 38897568ee96..35fe8ee5bce9 100644
--- a/sound/soc/codecs/tlv320adcx140.c
+++ b/sound/soc/codecs/tlv320adcx140.c
@@ -180,6 +180,17 @@ static const struct snd_kcontrol_new decimation_filter_controls[] = {
SOC_DAPM_ENUM("Decimation Filter", decimation_filter_enum),
};
+static const char * const pdmclk_text[] = {
+ "2.8224 MHz", "1.4112 MHz", "705.6 kHz", "5.6448 MHz"
+};
+
+static SOC_ENUM_SINGLE_DECL(pdmclk_select_enum, ADCX140_PDMCLK_CFG, 0,
+ pdmclk_text);
+
+static const struct snd_kcontrol_new pdmclk_div_controls[] = {
+ SOC_DAPM_ENUM("PDM Clk Divider Select", pdmclk_select_enum),
+};
+
static const char * const resistor_text[] = {
"2.5 kOhm", "10 kOhm", "20 kOhm"
};
@@ -416,6 +427,9 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = {
SND_SOC_DAPM_MUX("IN4 Analog Mic Resistor", SND_SOC_NOPM, 0, 0,
in4_resistor_controls),
+ SND_SOC_DAPM_MUX("PDM Clk Div Select", SND_SOC_NOPM, 0, 0,
+ pdmclk_div_controls),
+
SND_SOC_DAPM_MUX("Decimation Filter", SND_SOC_NOPM, 0, 0,
decimation_filter_controls),
};
@@ -493,6 +507,11 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = {
{"IN4 Analog Mic Resistor", "10 kOhm", "MIC4M Input Mux"},
{"IN4 Analog Mic Resistor", "20 kOhm", "MIC4M Input Mux"},
+ {"PDM Clk Div Select", "2.8224 MHz", "MIC1P Input Mux"},
+ {"PDM Clk Div Select", "1.4112 MHz", "MIC1P Input Mux"},
+ {"PDM Clk Div Select", "705.6 kHz", "MIC1P Input Mux"},
+ {"PDM Clk Div Select", "5.6448 MHz", "MIC1P Input Mux"},
+
{"MIC1 Analog Mux", "Line In", "MIC1P"},
{"MIC2 Analog Mux", "Line In", "MIC2P"},
{"MIC3 Analog Mux", "Line In", "MIC3P"},
@@ -511,11 +530,11 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = {
static const struct snd_kcontrol_new adcx140_snd_controls[] = {
SOC_SINGLE_TLV("Analog CH1 Mic Gain Volume", ADCX140_CH1_CFG1, 2, 42, 0,
adc_tlv),
- SOC_SINGLE_TLV("Analog CH2 Mic Gain Volume", ADCX140_CH1_CFG2, 2, 42, 0,
+ SOC_SINGLE_TLV("Analog CH2 Mic Gain Volume", ADCX140_CH2_CFG1, 2, 42, 0,
adc_tlv),
- SOC_SINGLE_TLV("Analog CH3 Mic Gain Volume", ADCX140_CH1_CFG3, 2, 42, 0,
+ SOC_SINGLE_TLV("Analog CH3 Mic Gain Volume", ADCX140_CH3_CFG1, 2, 42, 0,
adc_tlv),
- SOC_SINGLE_TLV("Analog CH4 Mic Gain Volume", ADCX140_CH1_CFG4, 2, 42, 0,
+ SOC_SINGLE_TLV("Analog CH4 Mic Gain Volume", ADCX140_CH4_CFG1, 2, 42, 0,
adc_tlv),
SOC_SINGLE_TLV("DRE Threshold", ADCX140_DRE_CFG0, 4, 9, 0,
@@ -563,7 +582,7 @@ static int adcx140_reset(struct adcx140_priv *adcx140)
/* 8.4.2: wait >= 10 ms after entering sleep mode. */
usleep_range(10000, 100000);
- return 0;
+ return ret;
}
static int adcx140_hw_params(struct snd_pcm_substream *substream,
@@ -739,33 +758,82 @@ static int adcx140_codec_probe(struct snd_soc_component *component)
{
struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component);
int sleep_cfg_val = ADCX140_WAKE_DEV;
- u8 bias_source;
- u8 vref_source;
+ u32 bias_source;
+ u32 vref_source;
+ u8 bias_cfg;
+ int pdm_count;
+ u32 pdm_edges[ADCX140_NUM_PDM_EDGES];
+ u32 pdm_edge_val = 0;
+ int gpi_count;
+ u32 gpi_inputs[ADCX140_NUM_GPI_PINS];
+ u32 gpi_input_val = 0;
+ int i;
int ret;
- ret = device_property_read_u8(adcx140->dev, "ti,mic-bias-source",
+ ret = device_property_read_u32(adcx140->dev, "ti,mic-bias-source",
&bias_source);
if (ret)
bias_source = ADCX140_MIC_BIAS_VAL_VREF;
- if (bias_source < ADCX140_MIC_BIAS_VAL_VREF ||
- bias_source > ADCX140_MIC_BIAS_VAL_AVDD) {
+ if (bias_source > ADCX140_MIC_BIAS_VAL_AVDD) {
dev_err(adcx140->dev, "Mic Bias source value is invalid\n");
return -EINVAL;
}
- ret = device_property_read_u8(adcx140->dev, "ti,vref-source",
+ ret = device_property_read_u32(adcx140->dev, "ti,vref-source",
&vref_source);
if (ret)
vref_source = ADCX140_MIC_BIAS_VREF_275V;
- if (vref_source < ADCX140_MIC_BIAS_VREF_275V ||
- vref_source > ADCX140_MIC_BIAS_VREF_1375V) {
+ if (vref_source > ADCX140_MIC_BIAS_VREF_1375V) {
dev_err(adcx140->dev, "Mic Bias source value is invalid\n");
return -EINVAL;
}
- bias_source |= vref_source;
+ bias_cfg = bias_source << ADCX140_MIC_BIAS_SHIFT | vref_source;
+
+ pdm_count = device_property_count_u32(adcx140->dev,
+ "ti,pdm-edge-select");
+ if (pdm_count <= ADCX140_NUM_PDM_EDGES && pdm_count > 0) {
+ ret = device_property_read_u32_array(adcx140->dev,
+ "ti,pdm-edge-select",
+ pdm_edges, pdm_count);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < pdm_count; i++)
+ pdm_edge_val |= pdm_edges[i] << (ADCX140_PDM_EDGE_SHIFT - i);
+
+ ret = regmap_write(adcx140->regmap, ADCX140_PDM_CFG,
+ pdm_edge_val);
+ if (ret)
+ return ret;
+ }
+
+ gpi_count = device_property_count_u32(adcx140->dev, "ti,gpi-config");
+ if (gpi_count <= ADCX140_NUM_GPI_PINS && gpi_count > 0) {
+ ret = device_property_read_u32_array(adcx140->dev,
+ "ti,gpi-config",
+ gpi_inputs, gpi_count);
+ if (ret)
+ return ret;
+
+ gpi_input_val = gpi_inputs[ADCX140_GPI1_INDEX] << ADCX140_GPI_SHIFT |
+ gpi_inputs[ADCX140_GPI2_INDEX];
+
+ ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG0,
+ gpi_input_val);
+ if (ret)
+ return ret;
+
+ gpi_input_val = gpi_inputs[ADCX140_GPI3_INDEX] << ADCX140_GPI_SHIFT |
+ gpi_inputs[ADCX140_GPI4_INDEX];
+
+ ret = regmap_write(adcx140->regmap, ADCX140_GPI_CFG1,
+ gpi_input_val);
+ if (ret)
+ return ret;
+ }
ret = adcx140_reset(adcx140);
if (ret)
@@ -785,7 +853,7 @@ static int adcx140_codec_probe(struct snd_soc_component *component)
ret = regmap_update_bits(adcx140->regmap, ADCX140_BIAS_CFG,
ADCX140_MIC_BIAS_VAL_MSK |
- ADCX140_MIC_BIAS_VREF_MSK, bias_source);
+ ADCX140_MIC_BIAS_VREF_MSK, bias_cfg);
if (ret)
dev_err(adcx140->dev, "setting MIC bias failed %d\n", ret);
out:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.