summaryrefslogtreecommitdiffstats
path: root/sound/soc/fsl/fsl_micfil.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/fsl/fsl_micfil.c')
-rw-r--r--sound/soc/fsl/fsl_micfil.c116
1 files changed, 90 insertions, 26 deletions
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 9d01225dedd9..0d37edb70261 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -56,6 +56,8 @@ struct fsl_micfil {
int vad_init_mode;
int vad_enabled;
int vad_detected;
+ struct fsl_micfil_verid verid;
+ struct fsl_micfil_param param;
};
struct fsl_micfil_soc_data {
@@ -64,6 +66,7 @@ struct fsl_micfil_soc_data {
unsigned int dataline;
bool imx;
bool use_edma;
+ bool use_verid;
u64 formats;
};
@@ -90,6 +93,7 @@ static struct fsl_micfil_soc_data fsl_micfil_imx93 = {
.dataline = 0xf,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
.use_edma = true,
+ .use_verid = true,
};
static const struct of_device_id fsl_micfil_dt_ids[] = {
@@ -356,6 +360,49 @@ static const struct snd_kcontrol_new fsl_micfil_snd_controls[] = {
SOC_SINGLE_BOOL_EXT("VAD Detected", 0, hwvad_detected, NULL),
};
+static int fsl_micfil_use_verid(struct device *dev)
+{
+ struct fsl_micfil *micfil = dev_get_drvdata(dev);
+ unsigned int val;
+ int ret;
+
+ if (!micfil->soc->use_verid)
+ return 0;
+
+ ret = regmap_read(micfil->regmap, REG_MICFIL_VERID, &val);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(dev, "VERID: 0x%016X\n", val);
+
+ micfil->verid.version = val &
+ (MICFIL_VERID_MAJOR_MASK | MICFIL_VERID_MINOR_MASK);
+ micfil->verid.version >>= MICFIL_VERID_MINOR_SHIFT;
+ micfil->verid.feature = val & MICFIL_VERID_FEATURE_MASK;
+
+ ret = regmap_read(micfil->regmap, REG_MICFIL_PARAM, &val);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(dev, "PARAM: 0x%016X\n", val);
+
+ micfil->param.hwvad_num = (val & MICFIL_PARAM_NUM_HWVAD_MASK) >>
+ MICFIL_PARAM_NUM_HWVAD_SHIFT;
+ micfil->param.hwvad_zcd = val & MICFIL_PARAM_HWVAD_ZCD;
+ micfil->param.hwvad_energy_mode = val & MICFIL_PARAM_HWVAD_ENERGY_MODE;
+ micfil->param.hwvad = val & MICFIL_PARAM_HWVAD;
+ micfil->param.dc_out_bypass = val & MICFIL_PARAM_DC_OUT_BYPASS;
+ micfil->param.dc_in_bypass = val & MICFIL_PARAM_DC_IN_BYPASS;
+ micfil->param.low_power = val & MICFIL_PARAM_LOW_POWER;
+ micfil->param.fil_out_width = val & MICFIL_PARAM_FIL_OUT_WIDTH;
+ micfil->param.fifo_ptrwid = (val & MICFIL_PARAM_FIFO_PTRWID_MASK) >>
+ MICFIL_PARAM_FIFO_PTRWID_SHIFT;
+ micfil->param.npair = (val & MICFIL_PARAM_NPAIR_MASK) >>
+ MICFIL_PARAM_NPAIR_SHIFT;
+
+ return 0;
+}
+
/* The SRES is a self-negated bit which provides the CPU with the
* capability to initialize the PDM Interface module through the
* slave-bus interface. This bit always reads as zero, and this
@@ -717,12 +764,6 @@ static int fsl_micfil_hw_params(struct snd_pcm_substream *substream,
return 0;
}
-static const struct snd_soc_dai_ops fsl_micfil_dai_ops = {
- .startup = fsl_micfil_startup,
- .trigger = fsl_micfil_trigger,
- .hw_params = fsl_micfil_hw_params,
-};
-
static int fsl_micfil_dai_probe(struct snd_soc_dai *cpu_dai)
{
struct fsl_micfil *micfil = dev_get_drvdata(cpu_dai->dev);
@@ -760,8 +801,14 @@ static int fsl_micfil_dai_probe(struct snd_soc_dai *cpu_dai)
return 0;
}
+static const struct snd_soc_dai_ops fsl_micfil_dai_ops = {
+ .probe = fsl_micfil_dai_probe,
+ .startup = fsl_micfil_startup,
+ .trigger = fsl_micfil_trigger,
+ .hw_params = fsl_micfil_hw_params,
+};
+
static struct snd_soc_dai_driver fsl_micfil_dai = {
- .probe = fsl_micfil_dai_probe,
.capture = {
.stream_name = "CPU-Capture",
.channels_min = 1,
@@ -825,6 +872,9 @@ static bool fsl_micfil_readable_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_DC_CTRL:
case REG_MICFIL_OUT_CTRL:
case REG_MICFIL_OUT_STAT:
+ case REG_MICFIL_FSYNC_CTRL:
+ case REG_MICFIL_VERID:
+ case REG_MICFIL_PARAM:
case REG_MICFIL_VAD0_CTRL1:
case REG_MICFIL_VAD0_CTRL2:
case REG_MICFIL_VAD0_STAT:
@@ -849,6 +899,7 @@ static bool fsl_micfil_writeable_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_DC_CTRL:
case REG_MICFIL_OUT_CTRL:
case REG_MICFIL_OUT_STAT: /* Write 1 to Clear */
+ case REG_MICFIL_FSYNC_CTRL:
case REG_MICFIL_VAD0_CTRL1:
case REG_MICFIL_VAD0_CTRL2:
case REG_MICFIL_VAD0_STAT: /* Write 1 to Clear */
@@ -873,6 +924,8 @@ static bool fsl_micfil_volatile_reg(struct device *dev, unsigned int reg)
case REG_MICFIL_DATACH5:
case REG_MICFIL_DATACH6:
case REG_MICFIL_DATACH7:
+ case REG_MICFIL_VERID:
+ case REG_MICFIL_PARAM:
case REG_MICFIL_VAD0_STAT:
case REG_MICFIL_VAD0_NDATA:
return true;
@@ -1031,6 +1084,9 @@ static irqreturn_t hwvad_err_isr(int irq, void *devid)
return IRQ_HANDLED;
}
+static int fsl_micfil_runtime_suspend(struct device *dev);
+static int fsl_micfil_runtime_resume(struct device *dev);
+
static int fsl_micfil_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -1044,7 +1100,7 @@ static int fsl_micfil_probe(struct platform_device *pdev)
return -ENOMEM;
micfil->pdev = pdev;
- strncpy(micfil->name, np->name, sizeof(micfil->name) - 1);
+ strscpy(micfil->name, np->name, sizeof(micfil->name));
micfil->soc = of_device_get_match_data(&pdev->dev);
@@ -1150,6 +1206,25 @@ static int fsl_micfil_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, micfil);
pm_runtime_enable(&pdev->dev);
+ if (!pm_runtime_enabled(&pdev->dev)) {
+ ret = fsl_micfil_runtime_resume(&pdev->dev);
+ if (ret)
+ goto err_pm_disable;
+ }
+
+ ret = pm_runtime_resume_and_get(&pdev->dev);
+ if (ret < 0)
+ goto err_pm_get_sync;
+
+ /* Get micfil version */
+ ret = fsl_micfil_use_verid(&pdev->dev);
+ if (ret < 0)
+ dev_warn(&pdev->dev, "Error reading MICFIL version: %d\n", ret);
+
+ ret = pm_runtime_put_sync(&pdev->dev);
+ if (ret < 0 && ret != -ENOSYS)
+ goto err_pm_get_sync;
+
regcache_cache_only(micfil->regmap, true);
/*
@@ -1174,6 +1249,9 @@ static int fsl_micfil_probe(struct platform_device *pdev)
return ret;
+err_pm_get_sync:
+ if (!pm_runtime_status_suspended(&pdev->dev))
+ fsl_micfil_runtime_suspend(&pdev->dev);
err_pm_disable:
pm_runtime_disable(&pdev->dev);
@@ -1185,7 +1263,7 @@ static void fsl_micfil_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
}
-static int __maybe_unused fsl_micfil_runtime_suspend(struct device *dev)
+static int fsl_micfil_runtime_suspend(struct device *dev)
{
struct fsl_micfil *micfil = dev_get_drvdata(dev);
@@ -1197,7 +1275,7 @@ static int __maybe_unused fsl_micfil_runtime_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused fsl_micfil_runtime_resume(struct device *dev)
+static int fsl_micfil_runtime_resume(struct device *dev)
{
struct fsl_micfil *micfil = dev_get_drvdata(dev);
int ret;
@@ -1219,26 +1297,12 @@ static int __maybe_unused fsl_micfil_runtime_resume(struct device *dev)
return 0;
}
-static int __maybe_unused fsl_micfil_suspend(struct device *dev)
-{
- pm_runtime_force_suspend(dev);
-
- return 0;
-}
-
-static int __maybe_unused fsl_micfil_resume(struct device *dev)
-{
- pm_runtime_force_resume(dev);
-
- return 0;
-}
-
static const struct dev_pm_ops fsl_micfil_pm_ops = {
SET_RUNTIME_PM_OPS(fsl_micfil_runtime_suspend,
fsl_micfil_runtime_resume,
NULL)
- SET_SYSTEM_SLEEP_PM_OPS(fsl_micfil_suspend,
- fsl_micfil_resume)
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
};
static struct platform_driver fsl_micfil_driver = {
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-02 15:18:15 +0000