Define stub component for data probing. Stub as most operations from
standard PCM case do not apply here. Specific bits are CPU DAIs and
compress_ops. FE DAIs can link against these new CPU DAI to create new
compress devices.
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
sound/soc/intel/avs/avs.h | 10 +++++++
sound/soc/intel/avs/pcm.c | 6 ++--
sound/soc/intel/avs/probes.c | 53 ++++++++++++++++++++++++++++++++++--
3 files changed, 64 insertions(+), 5 deletions(-)
diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h
index e5e7c72eb511..e19d8d89455d 100644
--- a/sound/soc/intel/avs/avs.h
+++ b/sound/soc/intel/avs/avs.h
@@ -322,6 +322,9 @@ struct avs_soc_component {
extern const struct snd_soc_dai_ops avs_dai_fe_ops;
+int avs_soc_component_register(struct device *dev, const char *name,
+ const struct snd_soc_component_driver *drv,
+ struct snd_soc_dai_driver *cpu_dais, int num_cpu_dais);
int avs_dmic_platform_register(struct avs_dev *adev, const char *name);
int avs_i2s_platform_register(struct avs_dev *adev, const char *name, unsigned long port_mask,
unsigned long *tdms);
@@ -373,6 +376,8 @@ struct apl_log_buffer_layout {
bool avs_logging_fw(struct avs_dev *adev);
void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len);
void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len);
+
+int avs_probe_platform_register(struct avs_dev *adev, const char *name);
#else
#define AVS_SET_ENABLE_LOGS_OP(name)
@@ -389,6 +394,11 @@ static inline void
avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len)
{
}
+
+static inline int avs_probe_platform_register(struct avs_dev *adev, const char *name)
+{
+ return 0;
+}
#endif
#endif /* __SOUND_SOC_INTEL_AVS_H */
diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
index 70d687fa9923..f930c5e86a84 100644
--- a/sound/soc/intel/avs/pcm.c
+++ b/sound/soc/intel/avs/pcm.c
@@ -1126,9 +1126,9 @@ static const struct snd_soc_component_driver avs_component_driver = {
.topology_name_prefix = "intel/avs",
};
-static int avs_soc_component_register(struct device *dev, const char *name,
- const struct snd_soc_component_driver *drv,
- struct snd_soc_dai_driver *cpu_dais, int num_cpu_dais)
+int avs_soc_component_register(struct device *dev, const char *name,
+ const struct snd_soc_component_driver *drv,
+ struct snd_soc_dai_driver *cpu_dais, int num_cpu_dais)
{
struct avs_soc_component *acomp;
int ret;
diff --git a/sound/soc/intel/avs/probes.c b/sound/soc/intel/avs/probes.c
index e90284ec8500..29d63f2a9616 100644
--- a/sound/soc/intel/avs/probes.c
+++ b/sound/soc/intel/avs/probes.c
@@ -249,7 +249,6 @@ static int avs_probe_compr_copy(struct snd_soc_component *comp, struct snd_compr
return count;
}
-__maybe_unused
static const struct snd_soc_cdai_ops avs_probe_dai_ops = {
.startup = avs_probe_compr_open,
.shutdown = avs_probe_compr_free,
@@ -258,7 +257,57 @@ static const struct snd_soc_cdai_ops avs_probe_dai_ops = {
.pointer = avs_probe_compr_pointer,
};
-__maybe_unused
static const struct snd_compress_ops avs_probe_compress_ops = {
.copy = avs_probe_compr_copy,
};
+
+static struct snd_soc_dai_driver probe_cpu_dais[] = {
+{
+ .name = "Probe Extraction CPU DAI",
+ .compress_new = snd_soc_new_compress,
+ .cops = &avs_probe_dai_ops,
+ .capture = {
+ .stream_name = "Probe Extraction",
+ .channels_min = 1,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_48000,
+ .rate_min = 48000,
+ .rate_max = 48000,
+ },
+},
+};
+
+static int avs_probe_component_probe(struct snd_soc_component *component)
+{
+ struct avs_soc_component *acomp = to_avs_soc_component(component);
+ struct avs_dev *adev = to_avs_dev(component->dev);
+
+ mutex_lock(&adev->comp_list_mutex);
+ list_add_tail(&acomp->node, &adev->comp_list);
+ mutex_unlock(&adev->comp_list_mutex);
+ return 0;
+}
+
+static void avs_probe_component_remove(struct snd_soc_component *component)
+{
+ struct avs_soc_component *acomp = to_avs_soc_component(component);
+ struct avs_dev *adev = to_avs_dev(component->dev);
+
+ mutex_lock(&adev->comp_list_mutex);
+ list_del(&acomp->node);
+ mutex_unlock(&adev->comp_list_mutex);
+}
+
+static const struct snd_soc_component_driver avs_probe_component_driver = {
+ .name = "avs-probe-compr",
+ .probe = avs_probe_component_probe,
+ .remove = avs_probe_component_remove,
+ .compress_ops = &avs_probe_compress_ops,
+ .module_get_upon_open = 1, /* increment refcount when a stream is opened */
+};
+
+int avs_probe_platform_register(struct avs_dev *adev, const char *name)
+{
+ return avs_soc_component_register(adev->dev, name, &avs_probe_component_driver,
+ probe_cpu_dais, ARRAY_SIZE(probe_cpu_dais));
+}
--
2.25.1
