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Diffstat (limited to 'sound/soc/codecs/nau8824.c')
-rw-r--r--sound/soc/codecs/nau8824.c103
1 files changed, 62 insertions, 41 deletions
diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c
index d0dd1542f78a..4f19fd9b65d1 100644
--- a/sound/soc/codecs/nau8824.c
+++ b/sound/soc/codecs/nau8824.c
@@ -901,7 +901,10 @@ static void nau8824_jdet_work(struct work_struct *work)
NAU8824_IRQ_KEY_RELEASE_DIS |
NAU8824_IRQ_KEY_SHORT_PRESS_DIS, 0);
- nau8824_sema_release(nau8824);
+ if (nau8824->resume_lock) {
+ nau8824_sema_release(nau8824);
+ nau8824->resume_lock = false;
+ }
}
static void nau8824_setup_auto_irq(struct nau8824 *nau8824)
@@ -966,7 +969,10 @@ static irqreturn_t nau8824_interrupt(int irq, void *data)
/* release semaphore held after resume,
* and cancel jack detection
*/
- nau8824_sema_release(nau8824);
+ if (nau8824->resume_lock) {
+ nau8824_sema_release(nau8824);
+ nau8824->resume_lock = false;
+ }
cancel_work_sync(&nau8824->jdet_work);
} else if (active_irq & NAU8824_KEY_SHORT_PRESS_IRQ) {
int key_status, button_pressed;
@@ -1014,27 +1020,42 @@ static irqreturn_t nau8824_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
-static int nau8824_clock_check(struct nau8824 *nau8824,
- int stream, int rate, int osr)
+static const struct nau8824_osr_attr *
+nau8824_get_osr(struct nau8824 *nau8824, int stream)
{
- int osrate;
+ unsigned int osr;
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_read(nau8824->regmap,
+ NAU8824_REG_DAC_FILTER_CTRL_1, &osr);
+ osr &= NAU8824_DAC_OVERSAMPLE_MASK;
if (osr >= ARRAY_SIZE(osr_dac_sel))
- return -EINVAL;
- osrate = osr_dac_sel[osr].osr;
+ return NULL;
+ return &osr_dac_sel[osr];
} else {
+ regmap_read(nau8824->regmap,
+ NAU8824_REG_ADC_FILTER_CTRL, &osr);
+ osr &= NAU8824_ADC_SYNC_DOWN_MASK;
if (osr >= ARRAY_SIZE(osr_adc_sel))
- return -EINVAL;
- osrate = osr_adc_sel[osr].osr;
+ return NULL;
+ return &osr_adc_sel[osr];
}
+}
+
+static int nau8824_dai_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
+ const struct nau8824_osr_attr *osr;
- if (!osrate || rate * osr > CLK_DA_AD_MAX) {
- dev_err(nau8824->dev, "exceed the maximum frequency of CLK_ADC or CLK_DAC\n");
+ osr = nau8824_get_osr(nau8824, substream->stream);
+ if (!osr || !osr->osr)
return -EINVAL;
- }
- return 0;
+ return snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_RATE,
+ 0, CLK_DA_AD_MAX / osr->osr);
}
static int nau8824_hw_params(struct snd_pcm_substream *substream,
@@ -1042,7 +1063,9 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_component *component = dai->component;
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
- unsigned int val_len = 0, osr, ctrl_val, bclk_fs, bclk_div;
+ unsigned int val_len = 0, ctrl_val, bclk_fs, bclk_div;
+ const struct nau8824_osr_attr *osr;
+ int err = -EINVAL;
nau8824_sema_acquire(nau8824, HZ);
@@ -1053,27 +1076,19 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
* than 6.144 MHz.
*/
nau8824->fs = params_rate(params);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- regmap_read(nau8824->regmap,
- NAU8824_REG_DAC_FILTER_CTRL_1, &osr);
- osr &= NAU8824_DAC_OVERSAMPLE_MASK;
- if (nau8824_clock_check(nau8824, substream->stream,
- nau8824->fs, osr))
- return -EINVAL;
+ osr = nau8824_get_osr(nau8824, substream->stream);
+ if (!osr || !osr->osr)
+ goto error;
+ if (nau8824->fs * osr->osr > CLK_DA_AD_MAX)
+ goto error;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
NAU8824_CLK_DAC_SRC_MASK,
- osr_dac_sel[osr].clk_src << NAU8824_CLK_DAC_SRC_SFT);
- } else {
- regmap_read(nau8824->regmap,
- NAU8824_REG_ADC_FILTER_CTRL, &osr);
- osr &= NAU8824_ADC_SYNC_DOWN_MASK;
- if (nau8824_clock_check(nau8824, substream->stream,
- nau8824->fs, osr))
- return -EINVAL;
+ osr->clk_src << NAU8824_CLK_DAC_SRC_SFT);
+ else
regmap_update_bits(nau8824->regmap, NAU8824_REG_CLK_DIVIDER,
NAU8824_CLK_ADC_SRC_MASK,
- osr_adc_sel[osr].clk_src << NAU8824_CLK_ADC_SRC_SFT);
- }
+ osr->clk_src << NAU8824_CLK_ADC_SRC_SFT);
/* make BCLK and LRC divde configuration if the codec as master. */
regmap_read(nau8824->regmap,
@@ -1090,7 +1105,7 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
else if (bclk_fs <= 256)
bclk_div = 0;
else
- return -EINVAL;
+ goto error;
regmap_update_bits(nau8824->regmap,
NAU8824_REG_PORT0_I2S_PCM_CTRL_2,
NAU8824_I2S_LRC_DIV_MASK | NAU8824_I2S_BLK_DIV_MASK,
@@ -1111,15 +1126,17 @@ static int nau8824_hw_params(struct snd_pcm_substream *substream,
val_len |= NAU8824_I2S_DL_32;
break;
default:
- return -EINVAL;
+ goto error;
}
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_1,
NAU8824_I2S_DL_MASK, val_len);
+ err = 0;
+ error:
nau8824_sema_release(nau8824);
- return 0;
+ return err;
}
static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
@@ -1128,8 +1145,6 @@ static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
unsigned int ctrl1_val = 0, ctrl2_val = 0;
- nau8824_sema_acquire(nau8824, HZ);
-
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
ctrl2_val |= NAU8824_I2S_MS_MASTER;
@@ -1171,6 +1186,8 @@ static int nau8824_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return -EINVAL;
}
+ nau8824_sema_acquire(nau8824, HZ);
+
regmap_update_bits(nau8824->regmap, NAU8824_REG_PORT0_I2S_PCM_CTRL_1,
NAU8824_I2S_DF_MASK | NAU8824_I2S_BP_MASK |
NAU8824_I2S_PCMB_EN, ctrl1_val);
@@ -1513,6 +1530,7 @@ static int __maybe_unused nau8824_suspend(struct snd_soc_component *component)
static int __maybe_unused nau8824_resume(struct snd_soc_component *component)
{
struct nau8824 *nau8824 = snd_soc_component_get_drvdata(component);
+ int ret;
regcache_cache_only(nau8824->regmap, false);
regcache_sync(nau8824->regmap);
@@ -1520,7 +1538,10 @@ static int __maybe_unused nau8824_resume(struct snd_soc_component *component)
/* Hold semaphore to postpone playback happening
* until jack detection done.
*/
- nau8824_sema_acquire(nau8824, 0);
+ nau8824->resume_lock = true;
+ ret = nau8824_sema_acquire(nau8824, 0);
+ if (ret)
+ nau8824->resume_lock = false;
enable_irq(nau8824->irq);
}
@@ -1544,10 +1565,10 @@ static const struct snd_soc_component_driver nau8824_component_driver = {
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
static const struct snd_soc_dai_ops nau8824_dai_ops = {
+ .startup = nau8824_dai_startup,
.hw_params = nau8824_hw_params,
.set_fmt = nau8824_set_fmt,
.set_tdm_slot = nau8824_set_tdm_slot,
@@ -1910,8 +1931,7 @@ const char *nau8824_components(void)
}
EXPORT_SYMBOL_GPL(nau8824_components);
-static int nau8824_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int nau8824_i2c_probe(struct i2c_client *i2c)
{
struct device *dev = &i2c->dev;
struct nau8824 *nau8824 = dev_get_platdata(dev);
@@ -1930,6 +1950,7 @@ static int nau8824_i2c_probe(struct i2c_client *i2c,
nau8824->regmap = devm_regmap_init_i2c(i2c, &nau8824_regmap_config);
if (IS_ERR(nau8824->regmap))
return PTR_ERR(nau8824->regmap);
+ nau8824->resume_lock = false;
nau8824->dev = dev;
nau8824->irq = i2c->irq;
sema_init(&nau8824->jd_sem, 1);
@@ -1985,7 +2006,7 @@ static struct i2c_driver nau8824_i2c_driver = {
.of_match_table = of_match_ptr(nau8824_of_ids),
.acpi_match_table = ACPI_PTR(nau8824_acpi_match),
},
- .probe = nau8824_i2c_probe,
+ .probe_new = nau8824_i2c_probe,
.id_table = nau8824_i2c_ids,
};
module_i2c_driver(nau8824_i2c_driver);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.