Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 93 insertions, 35 deletions

diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
index 17c953595..3a3f3f234 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);