diff options
Diffstat (limited to 'sound/soc/codecs/tlv320adcx140.c')
-rw-r--r-- | sound/soc/codecs/tlv320adcx140.c | 124 |
1 files changed, 87 insertions, 37 deletions
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 35fe8ee5bce9..5cd50d841177 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 // TLV320ADCX140 Sound driver -// Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ +// Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/ #include <linux/module.h> #include <linux/moduleparam.h> @@ -37,6 +37,13 @@ struct adcx140_priv { unsigned int slot_width; }; +static const char * const gpo_config_names[] = { + "ti,gpo-config-1", + "ti,gpo-config-2", + "ti,gpo-config-3", + "ti,gpo-config-4", +}; + static const struct reg_default adcx140_reg_defaults[] = { { ADCX140_PAGE_SELECT, 0x00 }, { ADCX140_SW_RESET, 0x00 }, @@ -60,10 +67,10 @@ static const struct reg_default adcx140_reg_defaults[] = { { ADCX140_PDMCLK_CFG, 0x40 }, { ADCX140_PDM_CFG, 0x00 }, { ADCX140_GPIO_CFG0, 0x22 }, + { ADCX140_GPO_CFG0, 0x00 }, { ADCX140_GPO_CFG1, 0x00 }, { ADCX140_GPO_CFG2, 0x00 }, { ADCX140_GPO_CFG3, 0x00 }, - { ADCX140_GPO_CFG4, 0x00 }, { ADCX140_GPO_VAL, 0x00 }, { ADCX140_GPIO_MON, 0x00 }, { ADCX140_GPI_CFG0, 0x00 }, @@ -218,8 +225,8 @@ static const struct snd_kcontrol_new in4_resistor_controls[] = { }; /* Analog/Digital Selection */ -static const char *adcx140_mic_sel_text[] = {"Analog", "Line In", "Digital"}; -static const char *adcx140_analog_sel_text[] = {"Analog", "Line In"}; +static const char * const adcx140_mic_sel_text[] = {"Analog", "Line In", "Digital"}; +static const char * const adcx140_analog_sel_text[] = {"Analog", "Line In"}; static SOC_ENUM_SINGLE_DECL(adcx140_mic1p_enum, ADCX140_CH1_CFG0, 5, @@ -313,6 +320,14 @@ static const struct snd_kcontrol_new adcx140_dapm_ch3_en_switch = SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 5, 1, 0); static const struct snd_kcontrol_new adcx140_dapm_ch4_en_switch = SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 4, 1, 0); +static const struct snd_kcontrol_new adcx140_dapm_ch5_en_switch = + SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 3, 1, 0); +static const struct snd_kcontrol_new adcx140_dapm_ch6_en_switch = + SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 2, 1, 0); +static const struct snd_kcontrol_new adcx140_dapm_ch7_en_switch = + SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 1, 1, 0); +static const struct snd_kcontrol_new adcx140_dapm_ch8_en_switch = + SOC_DAPM_SINGLE("Switch", ADCX140_ASI_OUT_CH_EN, 0, 1, 0); static const struct snd_kcontrol_new adcx140_dapm_ch1_dre_en_switch = SOC_DAPM_SINGLE("Switch", ADCX140_CH1_CFG0, 0, 1, 0); @@ -406,6 +421,15 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = { SND_SOC_DAPM_SWITCH("CH4_ASI_EN", SND_SOC_NOPM, 0, 0, &adcx140_dapm_ch4_en_switch), + SND_SOC_DAPM_SWITCH("CH5_ASI_EN", SND_SOC_NOPM, 0, 0, + &adcx140_dapm_ch5_en_switch), + SND_SOC_DAPM_SWITCH("CH6_ASI_EN", SND_SOC_NOPM, 0, 0, + &adcx140_dapm_ch6_en_switch), + SND_SOC_DAPM_SWITCH("CH7_ASI_EN", SND_SOC_NOPM, 0, 0, + &adcx140_dapm_ch7_en_switch), + SND_SOC_DAPM_SWITCH("CH8_ASI_EN", SND_SOC_NOPM, 0, 0, + &adcx140_dapm_ch8_en_switch), + SND_SOC_DAPM_SWITCH("DRE_ENABLE", SND_SOC_NOPM, 0, 0, &adcx140_dapm_dre_en_switch), @@ -446,6 +470,11 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = { {"CH3_ASI_EN", "Switch", "CH3_ADC"}, {"CH4_ASI_EN", "Switch", "CH4_ADC"}, + {"CH5_ASI_EN", "Switch", "CH5_OUT"}, + {"CH6_ASI_EN", "Switch", "CH6_OUT"}, + {"CH7_ASI_EN", "Switch", "CH7_OUT"}, + {"CH8_ASI_EN", "Switch", "CH8_OUT"}, + {"Decimation Filter", "Linear Phase", "DRE_ENABLE"}, {"Decimation Filter", "Low Latency", "DRE_ENABLE"}, {"Decimation Filter", "Ultra-low Latency", "DRE_ENABLE"}, @@ -576,7 +605,7 @@ static int adcx140_reset(struct adcx140_priv *adcx140) gpiod_direction_output(adcx140->gpio_reset, 1); } else { ret = regmap_write(adcx140->regmap, ADCX140_SW_RESET, - ADCX140_RESET); + ADCX140_RESET); } /* 8.4.2: wait >= 10 ms after entering sleep mode. */ @@ -624,6 +653,8 @@ static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); u8 iface_reg1 = 0; u8 iface_reg2 = 0; + int offset = 0; + int width = adcx140->slot_width; /* set master/slave audio interface */ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { @@ -666,7 +697,10 @@ 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); + break; case SND_SOC_DAIFMT_DSP_B: + offset += adcx140->tdm_delay * width; break; default: dev_err(component->dev, "Invalid DAI interface format\n"); @@ -683,6 +717,11 @@ static int adcx140_set_dai_fmt(struct snd_soc_dai *codec_dai, snd_soc_component_update_bits(component, ADCX140_MST_CFG0, ADCX140_BCLK_FSYNC_MASTER, iface_reg2); + /* Configure data offset */ + snd_soc_component_update_bits(component, ADCX140_ASI_CFG1, + ADCX140_TX_OFFSET_MASK, offset); + + return 0; } @@ -694,11 +733,6 @@ static int adcx140_set_dai_tdm_slot(struct snd_soc_dai *codec_dai, struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); unsigned int lsb; - if (tx_mask != rx_mask) { - dev_err(component->dev, "tx and rx masks must be symmetric\n"); - return -EINVAL; - } - /* TDM based on DSP mode requires slots to be adjacent */ lsb = __ffs(tx_mask); if ((lsb + 1) != __fls(tx_mask)) { @@ -723,36 +757,48 @@ static int adcx140_set_dai_tdm_slot(struct snd_soc_dai *codec_dai, return 0; } -static int adcx140_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) +static const struct snd_soc_dai_ops adcx140_dai_ops = { + .hw_params = adcx140_hw_params, + .set_fmt = adcx140_set_dai_fmt, + .set_tdm_slot = adcx140_set_dai_tdm_slot, +}; + +static int adcx140_configure_gpo(struct adcx140_priv *adcx140) { - struct snd_soc_component *component = dai->component; - struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); - int offset = 0; - int width = adcx140->slot_width; + u32 gpo_outputs[ADCX140_NUM_GPOS]; + u32 gpo_output_val = 0; + int ret; + int i; - if (!width) - width = substream->runtime->sample_bits; + for (i = 0; i < ADCX140_NUM_GPOS; i++) { + ret = device_property_read_u32_array(adcx140->dev, + gpo_config_names[i], + gpo_outputs, + ADCX140_NUM_GPO_CFGS); + if (ret) + continue; - /* TDM slot selection only valid in DSP_A/_B mode */ - if (adcx140->dai_fmt == SND_SOC_DAIFMT_DSP_A) - offset += (adcx140->tdm_delay * width + 1); - else if (adcx140->dai_fmt == SND_SOC_DAIFMT_DSP_B) - offset += adcx140->tdm_delay * width; + if (gpo_outputs[0] > ADCX140_GPO_CFG_MAX) { + dev_err(adcx140->dev, "GPO%d config out of range\n", i + 1); + return -EINVAL; + } - /* Configure data offset */ - snd_soc_component_update_bits(component, ADCX140_ASI_CFG1, - ADCX140_TX_OFFSET_MASK, offset); + if (gpo_outputs[1] > ADCX140_GPO_DRV_MAX) { + dev_err(adcx140->dev, "GPO%d drive out of range\n", i + 1); + return -EINVAL; + } + + gpo_output_val = gpo_outputs[0] << ADCX140_GPO_SHIFT | + gpo_outputs[1]; + ret = regmap_write(adcx140->regmap, ADCX140_GPO_CFG0 + i, + gpo_output_val); + if (ret) + return ret; + } return 0; -} -static const struct snd_soc_dai_ops adcx140_dai_ops = { - .hw_params = adcx140_hw_params, - .set_fmt = adcx140_set_dai_fmt, - .prepare = adcx140_prepare, - .set_tdm_slot = adcx140_set_dai_tdm_slot, -}; +} static int adcx140_codec_probe(struct snd_soc_component *component) { @@ -792,6 +838,10 @@ static int adcx140_codec_probe(struct snd_soc_component *component) bias_cfg = bias_source << ADCX140_MIC_BIAS_SHIFT | vref_source; + ret = adcx140_reset(adcx140); + if (ret) + goto out; + pdm_count = device_property_count_u32(adcx140->dev, "ti,pdm-edge-select"); if (pdm_count <= ADCX140_NUM_PDM_EDGES && pdm_count > 0) { @@ -835,11 +885,11 @@ static int adcx140_codec_probe(struct snd_soc_component *component) return ret; } - ret = adcx140_reset(adcx140); + ret = adcx140_configure_gpo(adcx140); if (ret) goto out; - if(adcx140->supply_areg == NULL) + if (adcx140->supply_areg == NULL) sleep_cfg_val |= ADCX140_AREG_INTERNAL; ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val); @@ -940,8 +990,8 @@ static int adcx140_i2c_probe(struct i2c_client *i2c, if (IS_ERR(adcx140->supply_areg)) { if (PTR_ERR(adcx140->supply_areg) == -EPROBE_DEFER) return -EPROBE_DEFER; - else - adcx140->supply_areg = NULL; + + adcx140->supply_areg = NULL; } else { ret = regulator_enable(adcx140->supply_areg); if (ret) { |