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Diffstat (limited to 'sound/soc/codecs/ad193x.c')
-rw-r--r--sound/soc/codecs/ad193x.c128
1 files changed, 93 insertions, 35 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
index 17c953595660..3a3f3f2343d7 100644
--- a/sound/soc/codecs/ad193x.c
+++ b/sound/soc/codecs/ad193x.c
@@ -23,6 +23,7 @@
/* codec private data */
struct ad193x_priv {
struct regmap *regmap;
+ enum ad193x_type type;
int sysclk;
};
@@ -47,12 +48,6 @@ static const struct snd_kcontrol_new ad193x_snd_controls[] = {
SOC_DOUBLE_R_TLV("DAC4 Volume", AD193X_DAC_L4_VOL,
AD193X_DAC_R4_VOL, 0, 0xFF, 1, adau193x_tlv),
- /* ADC switch control */
- SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
- AD193X_ADCR1_MUTE, 1, 1),
- SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
- AD193X_ADCR2_MUTE, 1, 1),
-
/* DAC switch control */
SOC_DOUBLE("DAC1 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL1_MUTE,
AD193X_DACR1_MUTE, 1, 1),
@@ -63,26 +58,37 @@ static const struct snd_kcontrol_new ad193x_snd_controls[] = {
SOC_DOUBLE("DAC4 Switch", AD193X_DAC_CHNL_MUTE, AD193X_DACL4_MUTE,
AD193X_DACR4_MUTE, 1, 1),
+ /* DAC de-emphasis */
+ SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
+};
+
+static const struct snd_kcontrol_new ad193x_adc_snd_controls[] = {
+ /* ADC switch control */
+ SOC_DOUBLE("ADC1 Switch", AD193X_ADC_CTRL0, AD193X_ADCL1_MUTE,
+ AD193X_ADCR1_MUTE, 1, 1),
+ SOC_DOUBLE("ADC2 Switch", AD193X_ADC_CTRL0, AD193X_ADCL2_MUTE,
+ AD193X_ADCR2_MUTE, 1, 1),
+
/* ADC high-pass filter */
SOC_SINGLE("ADC High Pass Filter Switch", AD193X_ADC_CTRL0,
AD193X_ADC_HIGHPASS_FILTER, 1, 0),
-
- /* DAC de-emphasis */
- SOC_ENUM("Playback Deemphasis", ad193x_deemp_enum),
};
static const struct snd_soc_dapm_widget ad193x_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_PGA("DAC Output", AD193X_DAC_CTRL0, 0, 1, NULL, 0),
- SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_SUPPLY("PLL_PWR", AD193X_PLL_CLK_CTRL0, 0, 1, NULL, 0),
- SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_SUPPLY("SYSCLK", AD193X_PLL_CLK_CTRL0, 7, 0, NULL, 0),
SND_SOC_DAPM_VMID("VMID"),
SND_SOC_DAPM_OUTPUT("DAC1OUT"),
SND_SOC_DAPM_OUTPUT("DAC2OUT"),
SND_SOC_DAPM_OUTPUT("DAC3OUT"),
SND_SOC_DAPM_OUTPUT("DAC4OUT"),
+};
+
+static const struct snd_soc_dapm_widget ad193x_adc_widgets[] = {
+ SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SUPPLY("ADC_PWR", AD193X_ADC_CTRL0, 0, 1, NULL, 0),
SND_SOC_DAPM_INPUT("ADC1IN"),
SND_SOC_DAPM_INPUT("ADC2IN"),
};
@@ -91,18 +97,33 @@ static const struct snd_soc_dapm_route audio_paths[] = {
{ "DAC", NULL, "SYSCLK" },
{ "DAC Output", NULL, "DAC" },
{ "DAC Output", NULL, "VMID" },
- { "ADC", NULL, "SYSCLK" },
- { "DAC", NULL, "ADC_PWR" },
- { "ADC", NULL, "ADC_PWR" },
{ "DAC1OUT", NULL, "DAC Output" },
{ "DAC2OUT", NULL, "DAC Output" },
{ "DAC3OUT", NULL, "DAC Output" },
{ "DAC4OUT", NULL, "DAC Output" },
+ { "SYSCLK", NULL, "PLL_PWR" },
+};
+
+static const struct snd_soc_dapm_route ad193x_adc_audio_paths[] = {
+ { "ADC", NULL, "SYSCLK" },
+ { "ADC", NULL, "ADC_PWR" },
{ "ADC", NULL, "ADC1IN" },
{ "ADC", NULL, "ADC2IN" },
- { "SYSCLK", NULL, "PLL_PWR" },
};
+static inline bool ad193x_has_adc(const struct ad193x_priv *ad193x)
+{
+ switch (ad193x->type) {
+ case AD1933:
+ case AD1934:
+ return false;
+ default:
+ break;
+ }
+
+ return true;
+}
+
/*
* DAI ops entries
*/
@@ -147,8 +168,10 @@ static int ad193x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
AD193X_DAC_CHAN_MASK, channels << AD193X_DAC_CHAN_SHFT);
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
- AD193X_ADC_CHAN_MASK, channels << AD193X_ADC_CHAN_SHFT);
+ if (ad193x_has_adc(ad193x))
+ regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
+ AD193X_ADC_CHAN_MASK,
+ channels << AD193X_ADC_CHAN_SHFT);
return 0;
}
@@ -172,7 +195,9 @@ static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
adc_serfmt |= AD193X_ADC_SERFMT_AUX;
break;
default:
- return -EINVAL;
+ if (ad193x_has_adc(ad193x))
+ return -EINVAL;
+ break;
}
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
@@ -217,10 +242,12 @@ static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
- AD193X_ADC_SERFMT_MASK, adc_serfmt);
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
- AD193X_ADC_FMT_MASK, adc_fmt);
+ if (ad193x_has_adc(ad193x)) {
+ regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
+ AD193X_ADC_SERFMT_MASK, adc_serfmt);
+ regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL2,
+ AD193X_ADC_FMT_MASK, adc_fmt);
+ }
regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL1,
AD193X_DAC_FMT_MASK, dac_fmt);
@@ -287,8 +314,9 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream,
AD193X_DAC_WORD_LEN_MASK,
word_len << AD193X_DAC_WORD_LEN_SHFT);
- regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
- AD193X_ADC_WORD_LEN_MASK, word_len);
+ if (ad193x_has_adc(ad193x))
+ regmap_update_bits(ad193x->regmap, AD193X_ADC_CTRL1,
+ AD193X_ADC_WORD_LEN_MASK, word_len);
return 0;
}
@@ -326,6 +354,8 @@ static struct snd_soc_dai_driver ad193x_dai = {
static int ad193x_codec_probe(struct snd_soc_codec *codec)
{
struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec);
+ struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
+ int num, ret;
/* default setting for ad193x */
@@ -335,14 +365,46 @@ static int ad193x_codec_probe(struct snd_soc_codec *codec)
regmap_write(ad193x->regmap, AD193X_DAC_CTRL2, 0x1A);
/* dac in tdm mode */
regmap_write(ad193x->regmap, AD193X_DAC_CTRL0, 0x40);
- /* high-pass filter enable */
- regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3);
- /* sata delay=1, adc aux mode */
- regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43);
+
+ /* adc only */
+ if (ad193x_has_adc(ad193x)) {
+ /* high-pass filter enable */
+ regmap_write(ad193x->regmap, AD193X_ADC_CTRL0, 0x3);
+ /* sata delay=1, adc aux mode */
+ regmap_write(ad193x->regmap, AD193X_ADC_CTRL1, 0x43);
+ }
+
/* pll input: mclki/xi */
regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */
regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04);
+ /* adc only */
+ if (ad193x_has_adc(ad193x)) {
+ /* add adc controls */
+ num = ARRAY_SIZE(ad193x_adc_snd_controls);
+ ret = snd_soc_add_codec_controls(codec,
+ ad193x_adc_snd_controls,
+ num);
+ if (ret)
+ return ret;
+
+ /* add adc widgets */
+ num = ARRAY_SIZE(ad193x_adc_widgets);
+ ret = snd_soc_dapm_new_controls(dapm,
+ ad193x_adc_widgets,
+ num);
+ if (ret)
+ return ret;
+
+ /* add adc routes */
+ num = ARRAY_SIZE(ad193x_adc_audio_paths);
+ ret = snd_soc_dapm_add_routes(dapm,
+ ad193x_adc_audio_paths,
+ num);
+ if (ret)
+ return ret;
+ }
+
return 0;
}
@@ -356,18 +418,13 @@ static struct snd_soc_codec_driver soc_codec_dev_ad193x = {
.num_dapm_routes = ARRAY_SIZE(audio_paths),
};
-static bool adau193x_reg_volatile(struct device *dev, unsigned int reg)
-{
- return false;
-}
-
const struct regmap_config ad193x_regmap_config = {
.max_register = AD193X_NUM_REGS - 1,
- .volatile_reg = adau193x_reg_volatile,
};
EXPORT_SYMBOL_GPL(ad193x_regmap_config);
-int ad193x_probe(struct device *dev, struct regmap *regmap)
+int ad193x_probe(struct device *dev, struct regmap *regmap,
+ enum ad193x_type type)
{
struct ad193x_priv *ad193x;
@@ -379,6 +436,7 @@ int ad193x_probe(struct device *dev, struct regmap *regmap)
return -ENOMEM;
ad193x->regmap = regmap;
+ ad193x->type = type;
dev_set_drvdata(dev, ad193x);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.