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Diffstat (limited to 'sound/soc/fsl/fsl_micfil.c')
-rw-r--r--sound/soc/fsl/fsl_micfil.c140
1 files changed, 113 insertions, 27 deletions
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index aabd90a8b3ec..d6cde2757c6d 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -17,6 +17,7 @@
#include <linux/sysfs.h>
#include <linux/types.h>
#include <linux/dma/imx-dma.h>
+#include <linux/log2.h>
#include <sound/dmaengine_pcm.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -92,6 +93,9 @@ struct fsl_micfil_soc_data {
bool volume_sx;
u64 formats;
int fifo_offset;
+ enum quality default_quality;
+ /* stores const value in formula to calculate range */
+ int rangeadj_const[3][2];
};
static struct fsl_micfil_soc_data fsl_micfil_imx8mm = {
@@ -102,6 +106,7 @@ static struct fsl_micfil_soc_data fsl_micfil_imx8mm = {
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.volume_sx = true,
.fifo_offset = 0,
+ .default_quality = QUALITY_VLOW0,
};
static struct fsl_micfil_soc_data fsl_micfil_imx8mp = {
@@ -112,6 +117,8 @@ static struct fsl_micfil_soc_data fsl_micfil_imx8mp = {
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.volume_sx = false,
.fifo_offset = 0,
+ .default_quality = QUALITY_MEDIUM,
+ .rangeadj_const = {{27, 7}, {27, 7}, {26, 7}},
};
static struct fsl_micfil_soc_data fsl_micfil_imx93 = {
@@ -124,6 +131,8 @@ static struct fsl_micfil_soc_data fsl_micfil_imx93 = {
.use_verid = true,
.volume_sx = false,
.fifo_offset = 0,
+ .default_quality = QUALITY_MEDIUM,
+ .rangeadj_const = {{30, 6}, {30, 6}, {29, 6}},
};
static struct fsl_micfil_soc_data fsl_micfil_imx943 = {
@@ -131,11 +140,13 @@ static struct fsl_micfil_soc_data fsl_micfil_imx943 = {
.fifos = 8,
.fifo_depth = 32,
.dataline = 0xf,
- .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U32_BE,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_DSD_U32_LE,
.use_edma = true,
.use_verid = true,
.volume_sx = false,
.fifo_offset = -4,
+ .default_quality = QUALITY_MEDIUM,
+ .rangeadj_const = {{34, 6}, {34, 6}, {33, 6}},
};
static const struct of_device_id fsl_micfil_dt_ids[] = {
@@ -162,9 +173,69 @@ static const struct soc_enum fsl_micfil_quality_enum =
static DECLARE_TLV_DB_SCALE(gain_tlv, 0, 100, 0);
+static int micfil_get_max_range(struct fsl_micfil *micfil)
+{
+ int max_range;
+
+ switch (micfil->quality) {
+ case QUALITY_HIGH:
+ case QUALITY_VLOW0:
+ max_range = micfil->soc->rangeadj_const[0][0] - micfil->soc->rangeadj_const[0][1] *
+ ilog2(2 * MICFIL_OSR_DEFAULT);
+ break;
+ case QUALITY_MEDIUM:
+ case QUALITY_VLOW1:
+ max_range = micfil->soc->rangeadj_const[1][0] - micfil->soc->rangeadj_const[1][1] *
+ ilog2(MICFIL_OSR_DEFAULT);
+ break;
+ case QUALITY_LOW:
+ case QUALITY_VLOW2:
+ max_range = micfil->soc->rangeadj_const[2][0] - micfil->soc->rangeadj_const[2][1] *
+ ilog2(MICFIL_OSR_DEFAULT);
+ break;
+ default:
+ return 0;
+ }
+ max_range = max_range < 0 ? 0 : max_range;
+
+ return max_range;
+}
+
+static int micfil_range_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *cmpnt = snd_kcontrol_chip(kcontrol);
+ struct fsl_micfil *micfil = snd_soc_component_get_drvdata(cmpnt);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int shift = mc->shift;
+ int max_range, new_range;
+
+ new_range = ucontrol->value.integer.value[0];
+ max_range = micfil_get_max_range(micfil);
+ if (new_range > max_range)
+ dev_warn(&micfil->pdev->dev, "range makes channel %d data unreliable\n", shift / 4);
+
+ regmap_update_bits(micfil->regmap, REG_MICFIL_OUT_CTRL, 0xF << shift, new_range << shift);
+
+ return 0;
+}
+
static int micfil_set_quality(struct fsl_micfil *micfil)
{
- u32 qsel;
+ int range, max_range;
+ u32 qsel, val;
+ int i;
+
+ if (!micfil->soc->volume_sx) {
+ regmap_read(micfil->regmap, REG_MICFIL_OUT_CTRL, &val);
+ max_range = micfil_get_max_range(micfil);
+ for (i = 0; i < micfil->soc->fifos; i++) {
+ range = (val >> MICFIL_OUTGAIN_CHX_SHIFT(i)) & 0xF;
+ if (range > max_range)
+ dev_warn(&micfil->pdev->dev, "please reset channel %d range\n", i);
+ }
+ }
switch (micfil->quality) {
case QUALITY_HIGH:
@@ -197,7 +268,7 @@ static int micfil_set_quality(struct fsl_micfil *micfil)
static int micfil_quality_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *cmpnt = snd_kcontrol_chip(kcontrol);
struct fsl_micfil *micfil = snd_soc_component_get_drvdata(cmpnt);
ucontrol->value.integer.value[0] = micfil->quality;
@@ -208,7 +279,7 @@ static int micfil_quality_get(struct snd_kcontrol *kcontrol,
static int micfil_quality_set(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *cmpnt = snd_kcontrol_chip(kcontrol);
struct fsl_micfil *micfil = snd_soc_component_get_drvdata(cmpnt);
micfil->quality = ucontrol->value.integer.value[0];
@@ -362,23 +433,31 @@ static int hwvad_detected(struct snd_kcontrol *kcontrol,
return 0;
}
-static const struct snd_kcontrol_new fsl_micfil_volume_controls[] = {
- SOC_SINGLE_TLV("CH0 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(0), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH1 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(1), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH2 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(2), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH3 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(3), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH4 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(4), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH5 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(5), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH6 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(6), 0xF, 0, gain_tlv),
- SOC_SINGLE_TLV("CH7 Volume", REG_MICFIL_OUT_CTRL,
- MICFIL_OUTGAIN_CHX_SHIFT(7), 0xF, 0, gain_tlv),
+static const struct snd_kcontrol_new fsl_micfil_range_controls[] = {
+ SOC_SINGLE_EXT("CH0 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(0), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH1 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(1), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH2 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(2), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH3 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(3), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH4 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(4), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH5 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(5), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH6 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(6), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
+ SOC_SINGLE_EXT("CH7 Range", REG_MICFIL_OUT_CTRL,
+ MICFIL_OUTGAIN_CHX_SHIFT(7), 0xF, 0,
+ snd_soc_get_volsw, micfil_range_set),
};
static const struct snd_kcontrol_new fsl_micfil_volume_sx_controls[] = {
@@ -823,7 +902,7 @@ static int fsl_micfil_hw_params(struct snd_pcm_substream *substream,
break;
}
- if (format == SNDRV_PCM_FORMAT_DSD_U32_BE) {
+ if (format == SNDRV_PCM_FORMAT_DSD_U32_LE) {
micfil->dec_bypass = true;
/*
* According to equation 29 in RM:
@@ -890,13 +969,20 @@ static int fsl_micfil_dai_probe(struct snd_soc_dai *cpu_dai)
struct fsl_micfil *micfil = dev_get_drvdata(cpu_dai->dev);
struct device *dev = cpu_dai->dev;
unsigned int val = 0;
- int ret, i;
+ int ret, i, max_range;
- micfil->quality = QUALITY_VLOW0;
+ micfil->quality = micfil->soc->default_quality;
micfil->card = cpu_dai->component->card;
/* set default gain to 2 */
- regmap_write(micfil->regmap, REG_MICFIL_OUT_CTRL, 0x22222222);
+ if (micfil->soc->volume_sx) {
+ regmap_write(micfil->regmap, REG_MICFIL_OUT_CTRL, 0x22222222);
+ } else {
+ max_range = micfil_get_max_range(micfil);
+ for (i = 1; i < micfil->soc->fifos; i++)
+ max_range |= max_range << 4;
+ regmap_write(micfil->regmap, REG_MICFIL_OUT_CTRL, max_range);
+ }
/* set DC Remover in bypass mode*/
for (i = 0; i < MICFIL_OUTPUT_CHANNELS; i++)
@@ -930,8 +1016,8 @@ static int fsl_micfil_component_probe(struct snd_soc_component *component)
snd_soc_add_component_controls(component, fsl_micfil_volume_sx_controls,
ARRAY_SIZE(fsl_micfil_volume_sx_controls));
else
- snd_soc_add_component_controls(component, fsl_micfil_volume_controls,
- ARRAY_SIZE(fsl_micfil_volume_controls));
+ snd_soc_add_component_controls(component, fsl_micfil_range_controls,
+ ARRAY_SIZE(fsl_micfil_range_controls));
return 0;
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-05 03:20:18 +0000