From: Rander Wang rander.wang@intel.com
Start_stream_offset is used to strip invalid sample count in dai for some cases like dai is started before host. llp_offset is used to get current dai position from memory windows.
Signed-off-by: Rander Wang rander.wang@intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com --- sound/soc/sof/ipc4-priv.h | 14 ++++++++++++++ sound/soc/sof/sof-audio.h | 3 +++ 2 files changed, 17 insertions(+)
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h index 8f8259a7e21c..f461b8c70df3 100644 --- a/sound/soc/sof/ipc4-priv.h +++ b/sound/soc/sof/ipc4-priv.h @@ -87,6 +87,20 @@ struct sof_ipc4_fw_data { struct mutex pipeline_state_mutex; /* protect pipeline triggers, ref counts and states */ };
+/** + * struct sof_ipc4_timestamp_info - IPC4 timestamp info + * @host_copier: the host copier of the pcm stream + * @dai_copier: the dai copier of the pcm stream + * @stream_start_offset: reported by fw in memory window + * @llp_offset: llp offset in memory window + */ +struct sof_ipc4_timestamp_info { + struct sof_ipc4_copier *host_copier; + struct sof_ipc4_copier *dai_copier; + u64 stream_start_offset; + u32 llp_offset; +}; + extern const struct sof_ipc_fw_loader_ops ipc4_loader_ops; extern const struct sof_ipc_tplg_ops ipc4_tplg_ops; extern const struct sof_ipc_tplg_control_ops tplg_ipc4_control_ops; diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h index b0593b46d477..334b715b17c8 100644 --- a/sound/soc/sof/sof-audio.h +++ b/sound/soc/sof/sof-audio.h @@ -311,6 +311,9 @@ struct snd_sof_pcm_stream { */ bool suspend_ignored; struct snd_sof_pcm_stream_pipeline_list pipeline_list; + + /* used by IPC implementation and core does not touch it */ + void *private; };
/* ALSA SOF PCM device */