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Diffstat (limited to 'sound/soc/codecs/nau8822.c')
-rw-r--r--sound/soc/codecs/nau8822.c98
1 files changed, 70 insertions, 28 deletions
diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c
index e6909e64dfa3..a11759f85eac 100644
--- a/sound/soc/codecs/nau8822.c
+++ b/sound/soc/codecs/nau8822.c
@@ -14,6 +14,7 @@
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
@@ -179,8 +180,7 @@ static bool nau8822_volatile(struct device *dev, unsigned int reg)
static int nau8822_eq_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_kcontrol_chip(kcontrol);
struct soc_bytes_ext *params = (void *)kcontrol->private_value;
int i, reg;
u16 reg_val, *val;
@@ -211,8 +211,7 @@ static int nau8822_eq_get(struct snd_kcontrol *kcontrol,
static int nau8822_eq_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_kcontrol_chip(kcontrol);
struct soc_bytes_ext *params = (void *)kcontrol->private_value;
void *data;
u16 *val, value;
@@ -612,20 +611,6 @@ static const struct snd_soc_dapm_route nau8822_dapm_routes[] = {
{"Right DAC", NULL, "Digital Loopback"},
};
-static int nau8822_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
- unsigned int freq, int dir)
-{
- struct snd_soc_component *component = dai->component;
- struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component);
-
- nau8822->div_id = clk_id;
- nau8822->sysclk = freq;
- dev_dbg(component->dev, "master sysclk %dHz, source %s\n", freq,
- clk_id == NAU8822_CLK_PLL ? "PLL" : "MCLK");
-
- return 0;
-}
-
static int nau8822_calc_pll(unsigned int pll_in, unsigned int fs,
struct nau8822_pll *pll_param)
{
@@ -749,7 +734,7 @@ static int nau8822_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
return ret;
}
- dev_info(component->dev,
+ dev_dbg(component->dev,
"pll_int=%x pll_frac=%x mclk_scaler=%x pre_factor=%x\n",
pll_param->pll_int, pll_param->pll_frac,
pll_param->mclk_scaler, pll_param->pre_factor);
@@ -782,6 +767,35 @@ static int nau8822_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
return 0;
}
+static int nau8822_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct snd_soc_component *component = dai->component;
+ struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component);
+ unsigned long mclk_freq;
+
+ nau8822->div_id = clk_id;
+ nau8822->sysclk = freq;
+
+ if (nau8822->mclk) {
+ mclk_freq = clk_get_rate(nau8822->mclk);
+ if (mclk_freq != freq) {
+ int ret = nau8822_set_pll(dai, NAU8822_CLK_MCLK,
+ NAU8822_CLK_MCLK, mclk_freq, freq);
+ if (ret) {
+ dev_err(component->dev, "Failed to set PLL\n");
+ return ret;
+ }
+ nau8822->div_id = NAU8822_CLK_PLL;
+ }
+ }
+
+ dev_dbg(component->dev, "master sysclk %dHz, source %s\n", freq,
+ nau8822->div_id == NAU8822_CLK_PLL ? "PLL" : "MCLK");
+
+ return 0;
+}
+
static int nau8822_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct snd_soc_component *component = dai->component;
@@ -790,10 +804,10 @@ static int nau8822_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
dev_dbg(component->dev, "%s\n", __func__);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ case SND_SOC_DAIFMT_CBP_CFP:
ctrl2_val |= 1;
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
ctrl2_val &= ~1;
break;
default:
@@ -848,7 +862,7 @@ static int nau8822_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_component *component = dai->component;
struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component);
- int val_len = 0, val_rate = 0;
+ int div = 0, val_len = 0, val_rate = 0;
unsigned int ctrl_val, bclk_fs, bclk_div;
/* make BCLK and LRC divide configuration if the codec as master. */
@@ -915,8 +929,10 @@ static int nau8822_hw_params(struct snd_pcm_substream *substream,
/* If the master clock is from MCLK, provide the runtime FS for driver
* to get the master clock prescaler configuration.
*/
- if (nau8822->div_id == NAU8822_CLK_MCLK)
- nau8822_config_clkdiv(dai, 0, params_rate(params));
+ if (nau8822->div_id != NAU8822_CLK_MCLK)
+ div = nau8822->pll.mclk_scaler;
+
+ nau8822_config_clkdiv(dai, div, params_rate(params));
return 0;
}
@@ -940,22 +956,41 @@ static int nau8822_mute(struct snd_soc_dai *dai, int mute, int direction)
static int nau8822_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
+ struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
+
switch (level) {
case SND_SOC_BIAS_ON:
+ break;
+
case SND_SOC_BIAS_PREPARE:
+ if (nau8822->mclk &&
+ snd_soc_dapm_get_bias_level(dapm) != SND_SOC_BIAS_ON) {
+ int ret = clk_prepare_enable(nau8822->mclk);
+
+ if (ret) {
+ dev_err(component->dev,
+ "Failed to enable MCLK: %d\n", ret);
+ return ret;
+ }
+ }
+
snd_soc_component_update_bits(component,
NAU8822_REG_POWER_MANAGEMENT_1,
NAU8822_REFIMP_MASK, NAU8822_REFIMP_80K);
break;
case SND_SOC_BIAS_STANDBY:
+ if (nau8822->mclk &&
+ snd_soc_dapm_get_bias_level(dapm) != SND_SOC_BIAS_OFF)
+ clk_disable_unprepare(nau8822->mclk);
+
snd_soc_component_update_bits(component,
NAU8822_REG_POWER_MANAGEMENT_1,
NAU8822_IOBUF_EN | NAU8822_ABIAS_EN,
NAU8822_IOBUF_EN | NAU8822_ABIAS_EN);
- if (snd_soc_component_get_bias_level(component) ==
- SND_SOC_BIAS_OFF) {
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
snd_soc_component_update_bits(component,
NAU8822_REG_POWER_MANAGEMENT_1,
NAU8822_REFIMP_MASK, NAU8822_REFIMP_3K);
@@ -1018,8 +1053,9 @@ static struct snd_soc_dai_driver nau8822_dai = {
static int nau8822_suspend(struct snd_soc_component *component)
{
struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
- snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
+ snd_soc_dapm_force_bias_level(dapm, SND_SOC_BIAS_OFF);
regcache_mark_dirty(nau8822->regmap);
@@ -1029,10 +1065,11 @@ static int nau8822_suspend(struct snd_soc_component *component)
static int nau8822_resume(struct snd_soc_component *component)
{
struct nau8822 *nau8822 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
regcache_sync(nau8822->regmap);
- snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
+ snd_soc_dapm_force_bias_level(dapm, SND_SOC_BIAS_STANDBY);
return 0;
}
@@ -1125,6 +1162,11 @@ static int nau8822_i2c_probe(struct i2c_client *i2c)
}
i2c_set_clientdata(i2c, nau8822);
+ nau8822->mclk = devm_clk_get_optional(&i2c->dev, "mclk");
+ if (IS_ERR(nau8822->mclk))
+ return dev_err_probe(&i2c->dev, PTR_ERR(nau8822->mclk),
+ "Error getting mclk\n");
+
nau8822->regmap = devm_regmap_init_i2c(i2c, &nau8822_regmap_config);
if (IS_ERR(nau8822->regmap)) {
ret = PTR_ERR(nau8822->regmap);
generated by cgit (git 2.34.1) at 2025-12-26 01:06:06 +0000