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Diffstat (limited to 'sound/soc/codecs/da7213.c')
-rw-r--r--sound/soc/codecs/da7213.c112
1 files changed, 93 insertions, 19 deletions
diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c
index 3e6ad996741b..72402467adcc 100644
--- a/sound/soc/codecs/da7213.c
+++ b/sound/soc/codecs/da7213.c
@@ -205,12 +205,12 @@ static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
/* Select middle 8 bits for read back from data register */
snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_MIDDLE);
- mid_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
+ mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
/* Select top 8 bits for read back from data register */
snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
reg_val | DA7213_ALC_DATA_TOP);
- top_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
+ top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
sum += ((mid_data << 8) | (top_data << 16));
}
@@ -259,7 +259,7 @@ static void da7213_alc_calib_auto(struct snd_soc_component *component)
snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
DA7213_ALC_AUTO_CALIB_EN);
do {
- alc_ctrl1 = snd_soc_component_read32(component, DA7213_ALC_CTRL1);
+ alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
/* If auto calibration fails, fall back to digital gain only mode */
@@ -286,16 +286,16 @@ static void da7213_alc_calib(struct snd_soc_component *component)
u8 mic_1_ctrl, mic_2_ctrl;
/* Save current values from ADC control registers */
- adc_l_ctrl = snd_soc_component_read32(component, DA7213_ADC_L_CTRL);
- adc_r_ctrl = snd_soc_component_read32(component, DA7213_ADC_R_CTRL);
+ adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
+ adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
/* Save current values from MIXIN_L/R_SELECT registers */
- mixin_l_sel = snd_soc_component_read32(component, DA7213_MIXIN_L_SELECT);
- mixin_r_sel = snd_soc_component_read32(component, DA7213_MIXIN_R_SELECT);
+ mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
+ mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
/* Save current values from MIC control registers */
- mic_1_ctrl = snd_soc_component_read32(component, DA7213_MIC_1_CTRL);
- mic_2_ctrl = snd_soc_component_read32(component, DA7213_MIC_2_CTRL);
+ mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
+ mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
/* Enable ADC Left and Right */
snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
@@ -751,7 +751,7 @@ static int da7213_dai_event(struct snd_soc_dapm_widget *w,
DA7213_PC_FREERUN_MASK, 0);
/* If SRM not enabled then nothing more to do */
- pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
+ pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
if (!(pll_ctrl & DA7213_PLL_SRM_EN))
return 0;
@@ -764,7 +764,7 @@ static int da7213_dai_event(struct snd_soc_dapm_widget *w,
/* Check SRM has locked */
do {
- pll_status = snd_soc_component_read32(component, DA7213_PLL_STATUS);
+ pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
if (pll_status & DA7219_PLL_SRM_LOCK) {
srm_lock = true;
} else {
@@ -779,7 +779,7 @@ static int da7213_dai_event(struct snd_soc_dapm_widget *w,
return 0;
case SND_SOC_DAPM_POST_PMD:
/* Revert 32KHz PLL lock udpates if applied previously */
- pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
+ pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
if (pll_ctrl & DA7213_PLL_32K_MODE) {
snd_soc_component_write(component, 0xF0, 0x8B);
snd_soc_component_write(component, 0xF2, 0x01);
@@ -1156,6 +1156,7 @@ static int da7213_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_component *component = dai->component;
+ struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
u8 dai_ctrl = 0;
u8 fs;
@@ -1181,33 +1182,43 @@ static int da7213_hw_params(struct snd_pcm_substream *substream,
switch (params_rate(params)) {
case 8000:
fs = DA7213_SR_8000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 11025:
fs = DA7213_SR_11025;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 12000:
fs = DA7213_SR_12000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 16000:
fs = DA7213_SR_16000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 22050:
fs = DA7213_SR_22050;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 32000:
fs = DA7213_SR_32000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 44100:
fs = DA7213_SR_44100;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 48000:
fs = DA7213_SR_48000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
case 88200:
fs = DA7213_SR_88200;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
break;
case 96000:
fs = DA7213_SR_96000;
+ da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
break;
default:
return -EINVAL;
@@ -1321,7 +1332,7 @@ static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
return 0;
}
-static int da7213_mute(struct snd_soc_dai *dai, int mute)
+static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
{
struct snd_soc_component *component = dai->component;
@@ -1392,9 +1403,9 @@ static int da7213_set_component_sysclk(struct snd_soc_component *component,
}
/* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
-static int da7213_set_component_pll(struct snd_soc_component *component,
- 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 da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
@@ -1503,11 +1514,22 @@ static int da7213_set_component_pll(struct snd_soc_component *component,
return 0;
}
+static int da7213_set_component_pll(struct snd_soc_component *component,
+ int pll_id, int source,
+ unsigned int fref, unsigned int fout)
+{
+ struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
+ da7213->fixed_clk_auto_pll = false;
+
+ return _da7213_set_component_pll(component, pll_id, source, fref, fout);
+}
+
/* DAI operations */
static const struct snd_soc_dai_ops da7213_dai_ops = {
.hw_params = da7213_hw_params,
.set_fmt = da7213_set_dai_fmt,
- .digital_mute = da7213_mute,
+ .mute_stream = da7213_mute,
+ .no_capture_mute = 1,
};
static struct snd_soc_dai_driver da7213_dai = {
@@ -1532,6 +1554,50 @@ static struct snd_soc_dai_driver da7213_dai = {
.symmetric_rates = 1,
};
+static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
+{
+ struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
+ int mode;
+
+ if (!da7213->fixed_clk_auto_pll)
+ return 0;
+
+ da7213->mclk_rate = clk_get_rate(da7213->mclk);
+
+ if (enable) {
+ /* Slave mode needs SRM for non-harmonic frequencies */
+ if (da7213->master)
+ mode = DA7213_SYSCLK_PLL;
+ else
+ mode = DA7213_SYSCLK_PLL_SRM;
+
+ /* PLL is not required for harmonic frequencies */
+ switch (da7213->out_rate) {
+ case DA7213_PLL_FREQ_OUT_90316800:
+ if (da7213->mclk_rate == 11289600 ||
+ da7213->mclk_rate == 22579200 ||
+ da7213->mclk_rate == 45158400)
+ mode = DA7213_SYSCLK_MCLK;
+ break;
+ case DA7213_PLL_FREQ_OUT_98304000:
+ if (da7213->mclk_rate == 12288000 ||
+ da7213->mclk_rate == 24576000 ||
+ da7213->mclk_rate == 49152000)
+ mode = DA7213_SYSCLK_MCLK;
+
+ break;
+ default:
+ return -1;
+ }
+ } else {
+ /* Disable PLL in standby */
+ mode = DA7213_SYSCLK_MCLK;
+ }
+
+ return _da7213_set_component_pll(component, 0, mode,
+ da7213->mclk_rate, da7213->out_rate);
+}
+
static int da7213_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
@@ -1551,6 +1617,8 @@ static int da7213_set_bias_level(struct snd_soc_component *component,
"Failed to enable mclk\n");
return ret;
}
+
+ da7213_set_auto_pll(component, true);
}
}
break;
@@ -1562,8 +1630,10 @@ static int da7213_set_bias_level(struct snd_soc_component *component,
DA7213_VMID_EN | DA7213_BIAS_EN);
} else {
/* Remove MCLK */
- if (da7213->mclk)
+ if (da7213->mclk) {
+ da7213_set_auto_pll(component, false);
clk_disable_unprepare(da7213->mclk);
+ }
}
break;
case SND_SOC_BIAS_OFF:
@@ -1693,7 +1763,6 @@ static struct da7213_platform_data
return pdata;
}
-
static int da7213_probe(struct snd_soc_component *component)
{
struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
@@ -1829,6 +1898,11 @@ static int da7213_probe(struct snd_soc_component *component)
return PTR_ERR(da7213->mclk);
else
da7213->mclk = NULL;
+ } else {
+ /* Do automatic PLL handling assuming fixed clock until
+ * set_pll() has been called. This makes the codec usable
+ * with the simple-audio-card driver. */
+ da7213->fixed_clk_auto_pll = true;
}
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 14:14:04 +0000