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Diffstat (limited to 'sound/soc/codecs/da7213.c')
-rw-r--r--sound/soc/codecs/da7213.c102
1 files changed, 90 insertions, 12 deletions
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c
index 925a03996db4..3e6ad996741b 100644
--- a/sound/soc/codecs/da7213.c
+++ b/sound/soc/codecs/da7213.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
+#include <linux/pm_runtime.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
@@ -807,6 +808,11 @@ static int da7213_dai_event(struct snd_soc_dapm_widget *w,
static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
/*
+ * Power Supply
+ */
+ SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
+
+ /*
* Input & Output
*/
@@ -932,6 +938,9 @@ static const struct snd_soc_dapm_route da7213_audio_map[] = {
/* Dest Connecting Widget source */
/* Input path */
+ {"Mic Bias 1", NULL, "VDDMIC"},
+ {"Mic Bias 2", NULL, "VDDMIC"},
+
{"MIC1", NULL, "Mic Bias 1"},
{"MIC2", NULL, "Mic Bias 2"},
@@ -1334,10 +1343,10 @@ static int da7213_mute(struct snd_soc_dai *dai, int mute)
#define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
-static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
- int clk_id, unsigned int freq, int dir)
+static int da7213_set_component_sysclk(struct snd_soc_component *component,
+ int clk_id, int source,
+ unsigned int freq, int dir)
{
- struct snd_soc_component *component = codec_dai->component;
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
int ret = 0;
@@ -1345,7 +1354,7 @@ static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
return 0;
if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
- dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
+ dev_err(component->dev, "Unsupported MCLK value %d\n",
freq);
return -EINVAL;
}
@@ -1361,7 +1370,7 @@ static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
DA7213_PLL_MCLK_SQR_EN);
break;
default:
- dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
+ dev_err(component->dev, "Unknown clock source %d\n", clk_id);
return -EINVAL;
}
@@ -1371,7 +1380,7 @@ static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
freq = clk_round_rate(da7213->mclk, freq);
ret = clk_set_rate(da7213->mclk, freq);
if (ret) {
- dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
+ dev_err(component->dev, "Failed to set clock rate %d\n",
freq);
return ret;
}
@@ -1383,10 +1392,10 @@ static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
}
/* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
-static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
- int source, unsigned int fref, unsigned int fout)
+static int da7213_set_component_pll(struct snd_soc_component *component,
+ int pll_id, int source,
+ unsigned int fref, unsigned int fout)
{
- struct snd_soc_component *component = codec_dai->component;
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 pll_ctrl, indiv_bits, indiv;
@@ -1498,8 +1507,6 @@ static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
static const struct snd_soc_dai_ops da7213_dai_ops = {
.hw_params = da7213_hw_params,
.set_fmt = da7213_set_dai_fmt,
- .set_sysclk = da7213_set_dai_sysclk,
- .set_pll = da7213_set_dai_pll,
.digital_mute = da7213_mute,
};
@@ -1571,6 +1578,7 @@ static int da7213_set_bias_level(struct snd_soc_component *component,
#if defined(CONFIG_OF)
/* DT */
static const struct of_device_id da7213_of_match[] = {
+ { .compatible = "dlg,da7212", },
{ .compatible = "dlg,da7213", },
{ }
};
@@ -1690,6 +1698,8 @@ static int da7213_probe(struct snd_soc_component *component)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
+ pm_runtime_get_sync(component->dev);
+
/* Default to using ALC auto offset calibration mode. */
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
DA7213_ALC_CALIB_MODE_MAN, 0);
@@ -1810,6 +1820,8 @@ static int da7213_probe(struct snd_soc_component *component)
DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
}
+ pm_runtime_put_sync(component->dev);
+
/* Check if MCLK provided */
da7213->mclk = devm_clk_get(component->dev, "mclk");
if (IS_ERR(da7213->mclk)) {
@@ -1831,6 +1843,8 @@ static const struct snd_soc_component_driver soc_component_dev_da7213 = {
.num_dapm_widgets = ARRAY_SIZE(da7213_dapm_widgets),
.dapm_routes = da7213_audio_map,
.num_dapm_routes = ARRAY_SIZE(da7213_audio_map),
+ .set_sysclk = da7213_set_component_sysclk,
+ .set_pll = da7213_set_component_pll,
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
@@ -1847,11 +1861,22 @@ static const struct regmap_config da7213_regmap_config = {
.cache_type = REGCACHE_RBTREE,
};
+static void da7213_power_off(void *data)
+{
+ struct da7213_priv *da7213 = data;
+ regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
+}
+
+static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
+ [DA7213_SUPPLY_VDDA] = "VDDA",
+ [DA7213_SUPPLY_VDDIO] = "VDDIO",
+};
+
static int da7213_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da7213_priv *da7213;
- int ret;
+ int i, ret;
da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
if (!da7213)
@@ -1859,6 +1884,25 @@ static int da7213_i2c_probe(struct i2c_client *i2c,
i2c_set_clientdata(i2c, da7213);
+ /* Get required supplies */
+ for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
+ da7213->supplies[i].supply = da7213_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
+ da7213->supplies);
+ if (ret) {
+ dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
+ if (ret < 0)
+ return ret;
+
da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
if (IS_ERR(da7213->regmap)) {
ret = PTR_ERR(da7213->regmap);
@@ -1866,6 +1910,11 @@ static int da7213_i2c_probe(struct i2c_client *i2c,
return ret;
}
+ pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
+ pm_runtime_use_autosuspend(&i2c->dev);
+ pm_runtime_set_active(&i2c->dev);
+ pm_runtime_enable(&i2c->dev);
+
ret = devm_snd_soc_register_component(&i2c->dev,
&soc_component_dev_da7213, &da7213_dai, 1);
if (ret < 0) {
@@ -1875,6 +1924,34 @@ static int da7213_i2c_probe(struct i2c_client *i2c,
return ret;
}
+static int __maybe_unused da7213_runtime_suspend(struct device *dev)
+{
+ struct da7213_priv *da7213 = dev_get_drvdata(dev);
+
+ regcache_cache_only(da7213->regmap, true);
+ regcache_mark_dirty(da7213->regmap);
+ regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
+
+ return 0;
+}
+
+static int __maybe_unused da7213_runtime_resume(struct device *dev)
+{
+ struct da7213_priv *da7213 = dev_get_drvdata(dev);
+ int ret;
+
+ ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
+ if (ret < 0)
+ return ret;
+ regcache_cache_only(da7213->regmap, false);
+ regcache_sync(da7213->regmap);
+ return 0;
+}
+
+static const struct dev_pm_ops da7213_pm = {
+ SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
+};
+
static const struct i2c_device_id da7213_i2c_id[] = {
{ "da7213", 0 },
{ }
@@ -1887,6 +1964,7 @@ static struct i2c_driver da7213_i2c_driver = {
.name = "da7213",
.of_match_table = of_match_ptr(da7213_of_match),
.acpi_match_table = ACPI_PTR(da7213_acpi_match),
+ .pm = &da7213_pm,
},
.probe = da7213_i2c_probe,
.id_table = da7213_i2c_id,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.