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Diffstat (limited to 'sound/soc/codecs/tscs42xx.c')
-rw-r--r--sound/soc/codecs/tscs42xx.c203
1 files changed, 127 insertions, 76 deletions
diff --git a/sound/soc/codecs/tscs42xx.c b/sound/soc/codecs/tscs42xx.c
index bbfc73a79b18..d18ff17719cc 100644
--- a/sound/soc/codecs/tscs42xx.c
+++ b/sound/soc/codecs/tscs42xx.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/mutex.h>
+#include <linux/clk.h>
#include <sound/tlv.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
@@ -31,7 +32,6 @@ struct tscs42xx {
int bclk_ratio;
int samplerate;
- unsigned int blrcm;
struct mutex audio_params_lock;
u8 coeff_ram[COEFF_RAM_SIZE];
@@ -42,7 +42,8 @@ struct tscs42xx {
struct regmap *regmap;
- struct device *dev;
+ struct clk *sysclk;
+ int sysclk_src_id;
};
struct coeff_ram_ctl {
@@ -204,7 +205,8 @@ static int power_up_audio_plls(struct snd_soc_component *component)
break;
default:
ret = -EINVAL;
- dev_err(component->dev, "Unrecognized PLL output freq (%d)\n", ret);
+ dev_err(component->dev,
+ "Unrecognized PLL output freq (%d)\n", ret);
return ret;
}
@@ -261,7 +263,8 @@ exit:
static int coeff_ram_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
struct coeff_ram_ctl *ctl =
(struct coeff_ram_ctl *)kcontrol->private_value;
@@ -280,7 +283,8 @@ static int coeff_ram_get(struct snd_kcontrol *kcontrol,
static int coeff_ram_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
struct coeff_ram_ctl *ctl =
(struct coeff_ram_ctl *)kcontrol->private_value;
@@ -363,7 +367,8 @@ static int dapm_micb_event(struct snd_soc_dapm_widget *w,
static int pll_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
int ret;
if (SND_SOC_DAPM_EVENT_ON(event))
@@ -377,7 +382,8 @@ static int pll_event(struct snd_soc_dapm_widget *w,
static int dac_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
int ret;
@@ -819,16 +825,19 @@ static int setup_sample_format(struct snd_soc_component *component,
dev_err(component->dev, "Unsupported format width (%d)\n", ret);
return ret;
}
- ret = snd_soc_component_update_bits(component, R_AIC1, RM_AIC1_WL, width);
+ ret = snd_soc_component_update_bits(component,
+ R_AIC1, RM_AIC1_WL, width);
if (ret < 0) {
- dev_err(component->dev, "Failed to set sample width (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to set sample width (%d)\n", ret);
return ret;
}
return 0;
}
-static int setup_sample_rate(struct snd_soc_component *component, unsigned int rate)
+static int setup_sample_rate(struct snd_soc_component *component,
+ unsigned int rate)
{
struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
unsigned int br, bm;
@@ -881,24 +890,32 @@ static int setup_sample_rate(struct snd_soc_component *component, unsigned int r
}
/* DAC and ADC share bit and frame clock */
- ret = snd_soc_component_update_bits(component, R_DACSR, RM_DACSR_DBR, br);
+ ret = snd_soc_component_update_bits(component,
+ R_DACSR, RM_DACSR_DBR, br);
if (ret < 0) {
- dev_err(component->dev, "Failed to update register (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to update register (%d)\n", ret);
return ret;
}
- ret = snd_soc_component_update_bits(component, R_DACSR, RM_DACSR_DBM, bm);
+ ret = snd_soc_component_update_bits(component,
+ R_DACSR, RM_DACSR_DBM, bm);
if (ret < 0) {
- dev_err(component->dev, "Failed to update register (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to update register (%d)\n", ret);
return ret;
}
- ret = snd_soc_component_update_bits(component, R_ADCSR, RM_DACSR_DBR, br);
+ ret = snd_soc_component_update_bits(component,
+ R_ADCSR, RM_DACSR_DBR, br);
if (ret < 0) {
- dev_err(component->dev, "Failed to update register (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to update register (%d)\n", ret);
return ret;
}
- ret = snd_soc_component_update_bits(component, R_ADCSR, RM_DACSR_DBM, bm);
+ ret = snd_soc_component_update_bits(component,
+ R_ADCSR, RM_DACSR_DBM, bm);
if (ret < 0) {
- dev_err(component->dev, "Failed to update register (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to update register (%d)\n", ret);
return ret;
}
@@ -1076,7 +1093,8 @@ static int tscs42xx_hw_params(struct snd_pcm_substream *substream,
ret = setup_sample_rate(component, params_rate(params));
if (ret < 0) {
- dev_err(component->dev, "Failed to setup sample rate (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to setup sample rate (%d)\n", ret);
return ret;
}
@@ -1087,7 +1105,8 @@ static inline int dac_mute(struct snd_soc_component *component)
{
int ret;
- ret = snd_soc_component_update_bits(component, R_CNVRTR1, RM_CNVRTR1_DACMU,
+ ret = snd_soc_component_update_bits(component,
+ R_CNVRTR1, RM_CNVRTR1_DACMU,
RV_CNVRTR1_DACMU_ENABLE);
if (ret < 0) {
dev_err(component->dev, "Failed to mute DAC (%d)\n",
@@ -1102,7 +1121,8 @@ static inline int dac_unmute(struct snd_soc_component *component)
{
int ret;
- ret = snd_soc_component_update_bits(component, R_CNVRTR1, RM_CNVRTR1_DACMU,
+ ret = snd_soc_component_update_bits(component,
+ R_CNVRTR1, RM_CNVRTR1_DACMU,
RV_CNVRTR1_DACMU_DISABLE);
if (ret < 0) {
dev_err(component->dev, "Failed to unmute DAC (%d)\n",
@@ -1117,8 +1137,8 @@ static inline int adc_mute(struct snd_soc_component *component)
{
int ret;
- ret = snd_soc_component_update_bits(component, R_CNVRTR0, RM_CNVRTR0_ADCMU,
- RV_CNVRTR0_ADCMU_ENABLE);
+ ret = snd_soc_component_update_bits(component,
+ R_CNVRTR0, RM_CNVRTR0_ADCMU, RV_CNVRTR0_ADCMU_ENABLE);
if (ret < 0) {
dev_err(component->dev, "Failed to mute ADC (%d)\n",
ret);
@@ -1132,8 +1152,8 @@ static inline int adc_unmute(struct snd_soc_component *component)
{
int ret;
- ret = snd_soc_component_update_bits(component, R_CNVRTR0, RM_CNVRTR0_ADCMU,
- RV_CNVRTR0_ADCMU_DISABLE);
+ ret = snd_soc_component_update_bits(component,
+ R_CNVRTR0, RM_CNVRTR0_ADCMU, RV_CNVRTR0_ADCMU_DISABLE);
if (ret < 0) {
dev_err(component->dev, "Failed to unmute ADC (%d)\n",
ret);
@@ -1171,8 +1191,8 @@ static int tscs42xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
/* Slave mode not supported since it needs always-on frame clock */
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
- ret = snd_soc_component_update_bits(component, R_AIC1, RM_AIC1_MS,
- RV_AIC1_MS_MASTER);
+ ret = snd_soc_component_update_bits(component,
+ R_AIC1, RM_AIC1_MS, RV_AIC1_MS_MASTER);
if (ret < 0) {
dev_err(component->dev,
"Failed to set codec DAI master (%d)\n", ret);
@@ -1211,14 +1231,18 @@ static int tscs42xx_set_dai_bclk_ratio(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
- ret = snd_soc_component_update_bits(component, R_DACSR, RM_DACSR_DBCM, value);
+ ret = snd_soc_component_update_bits(component,
+ R_DACSR, RM_DACSR_DBCM, value);
if (ret < 0) {
- dev_err(component->dev, "Failed to set DAC BCLK ratio (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to set DAC BCLK ratio (%d)\n", ret);
return ret;
}
- ret = snd_soc_component_update_bits(component, R_ADCSR, RM_ADCSR_ABCM, value);
+ ret = snd_soc_component_update_bits(component,
+ R_ADCSR, RM_ADCSR_ABCM, value);
if (ret < 0) {
- dev_err(component->dev, "Failed to set ADC BCLK ratio (%d)\n", ret);
+ dev_err(component->dev,
+ "Failed to set ADC BCLK ratio (%d)\n", ret);
return ret;
}
@@ -1231,13 +1255,46 @@ static int tscs42xx_set_dai_bclk_ratio(struct snd_soc_dai *codec_dai,
return 0;
}
-static int tscs42xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
+static const struct snd_soc_dai_ops tscs42xx_dai_ops = {
+ .hw_params = tscs42xx_hw_params,
+ .mute_stream = tscs42xx_mute_stream,
+ .set_fmt = tscs42xx_set_dai_fmt,
+ .set_bclk_ratio = tscs42xx_set_dai_bclk_ratio,
+};
+
+static int part_is_valid(struct tscs42xx *tscs42xx)
{
- struct snd_soc_component *component = codec_dai->component;
+ int val;
int ret;
+ unsigned int reg;
+
+ ret = regmap_read(tscs42xx->regmap, R_DEVIDH, &reg);
+ if (ret < 0)
+ return ret;
+
+ val = reg << 8;
+ ret = regmap_read(tscs42xx->regmap, R_DEVIDL, &reg);
+ if (ret < 0)
+ return ret;
+
+ val |= reg;
+
+ switch (val) {
+ case 0x4A74:
+ case 0x4A73:
+ return true;
+ default:
+ return false;
+ };
+}
- switch (clk_id) {
+static int set_sysclk(struct snd_soc_component *component)
+{
+ struct tscs42xx *tscs42xx = snd_soc_component_get_drvdata(component);
+ unsigned long freq;
+ int ret;
+
+ switch (tscs42xx->sysclk_src_id) {
case TSCS42XX_PLL_SRC_XTAL:
case TSCS42XX_PLL_SRC_MCLK1:
ret = snd_soc_component_write(component, R_PLLREFSEL,
@@ -1265,6 +1322,7 @@ static int tscs42xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
return -EINVAL;
}
+ freq = clk_get_rate(tscs42xx->sysclk);
ret = set_pll_ctl_from_input_freq(component, freq);
if (ret < 0) {
dev_err(component->dev,
@@ -1275,41 +1333,13 @@ static int tscs42xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
return 0;
}
-static const struct snd_soc_dai_ops tscs42xx_dai_ops = {
- .hw_params = tscs42xx_hw_params,
- .mute_stream = tscs42xx_mute_stream,
- .set_fmt = tscs42xx_set_dai_fmt,
- .set_bclk_ratio = tscs42xx_set_dai_bclk_ratio,
- .set_sysclk = tscs42xx_set_dai_sysclk,
-};
-
-static int part_is_valid(struct tscs42xx *tscs42xx)
+static int tscs42xx_probe(struct snd_soc_component *component)
{
- int val;
- int ret;
- unsigned int reg;
-
- ret = regmap_read(tscs42xx->regmap, R_DEVIDH, &reg);
- if (ret < 0)
- return ret;
-
- val = reg << 8;
- ret = regmap_read(tscs42xx->regmap, R_DEVIDL, &reg);
- if (ret < 0)
- return ret;
-
- val |= reg;
-
- switch (val) {
- case 0x4A74:
- case 0x4A73:
- return true;
- default:
- return false;
- };
+ return set_sysclk(component);
}
-static struct snd_soc_component_driver soc_codec_dev_tscs42xx = {
+static const struct snd_soc_component_driver soc_codec_dev_tscs42xx = {
+ .probe = tscs42xx_probe,
.dapm_widgets = tscs42xx_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tscs42xx_dapm_widgets),
.dapm_routes = tscs42xx_intercon,
@@ -1367,11 +1397,15 @@ static const struct reg_sequence tscs42xx_patch[] = {
{ R_AIC2, RV_AIC2_BLRCM_DAC_BCLK_LRCLK_SHARED },
};
+static char const * const src_names[TSCS42XX_PLL_SRC_CNT] = {
+ "xtal", "mclk1", "mclk2"};
+
static int tscs42xx_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct tscs42xx *tscs42xx;
- int ret = 0;
+ int src;
+ int ret;
tscs42xx = devm_kzalloc(&i2c->dev, sizeof(*tscs42xx), GFP_KERNEL);
if (!tscs42xx) {
@@ -1381,12 +1415,29 @@ static int tscs42xx_i2c_probe(struct i2c_client *i2c,
return ret;
}
i2c_set_clientdata(i2c, tscs42xx);
- tscs42xx->dev = &i2c->dev;
+
+ for (src = TSCS42XX_PLL_SRC_XTAL; src < TSCS42XX_PLL_SRC_CNT; src++) {
+ tscs42xx->sysclk = devm_clk_get(&i2c->dev, src_names[src]);
+ if (!IS_ERR(tscs42xx->sysclk)) {
+ break;
+ } else if (PTR_ERR(tscs42xx->sysclk) != -ENOENT) {
+ ret = PTR_ERR(tscs42xx->sysclk);
+ dev_err(&i2c->dev, "Failed to get sysclk (%d)\n", ret);
+ return ret;
+ }
+ }
+ if (src == TSCS42XX_PLL_SRC_CNT) {
+ ret = -EINVAL;
+ dev_err(&i2c->dev, "Failed to get a valid clock name (%d)\n",
+ ret);
+ return ret;
+ }
+ tscs42xx->sysclk_src_id = src;
tscs42xx->regmap = devm_regmap_init_i2c(i2c, &tscs42xx_regmap);
if (IS_ERR(tscs42xx->regmap)) {
ret = PTR_ERR(tscs42xx->regmap);
- dev_err(tscs42xx->dev, "Failed to allocate regmap (%d)\n", ret);
+ dev_err(&i2c->dev, "Failed to allocate regmap (%d)\n", ret);
return ret;
}
@@ -1394,21 +1445,21 @@ static int tscs42xx_i2c_probe(struct i2c_client *i2c,
ret = part_is_valid(tscs42xx);
if (ret <= 0) {
- dev_err(tscs42xx->dev, "No valid part (%d)\n", ret);
+ dev_err(&i2c->dev, "No valid part (%d)\n", ret);
ret = -ENODEV;
return ret;
}
ret = regmap_write(tscs42xx->regmap, R_RESET, RV_RESET_ENABLE);
if (ret < 0) {
- dev_err(tscs42xx->dev, "Failed to reset device (%d)\n", ret);
+ dev_err(&i2c->dev, "Failed to reset device (%d)\n", ret);
return ret;
}
ret = regmap_register_patch(tscs42xx->regmap, tscs42xx_patch,
ARRAY_SIZE(tscs42xx_patch));
if (ret < 0) {
- dev_err(tscs42xx->dev, "Failed to apply patch (%d)\n", ret);
+ dev_err(&i2c->dev, "Failed to apply patch (%d)\n", ret);
return ret;
}
@@ -1416,10 +1467,10 @@ static int tscs42xx_i2c_probe(struct i2c_client *i2c,
mutex_init(&tscs42xx->coeff_ram_lock);
mutex_init(&tscs42xx->pll_lock);
- ret = devm_snd_soc_register_component(tscs42xx->dev, &soc_codec_dev_tscs42xx,
- &tscs42xx_dai, 1);
+ ret = devm_snd_soc_register_component(&i2c->dev,
+ &soc_codec_dev_tscs42xx, &tscs42xx_dai, 1);
if (ret) {
- dev_err(tscs42xx->dev, "Failed to register codec (%d)\n", ret);
+ dev_err(&i2c->dev, "Failed to register codec (%d)\n", ret);
return ret;
}