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@intel.com --- 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)); +}