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-rw-r--r--include/sound/sof/topology.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/sound/sof/topology.h b/include/sound/sof/topology.h
index c47b36240920..8e76178fedf0 100644
--- a/include/sound/sof/topology.h
+++ b/include/sound/sof/topology.h
@@ -36,6 +36,7 @@ enum sof_comp_type {
SOF_COMP_KPB, /* A key phrase buffer component */
SOF_COMP_SELECTOR, /**< channel selector component */
SOF_COMP_DEMUX,
+ SOF_COMP_ASRC, /**< Asynchronous sample rate converter */
/* keep FILEREAD/FILEWRITE as the last ones */
SOF_COMP_FILEREAD = 10000, /**< host test based file IO */
SOF_COMP_FILEWRITE = 10001, /**< host test based file IO */
@@ -147,6 +148,32 @@ struct sof_ipc_comp_src {
uint32_t rate_mask; /**< SOF_RATE_ supported rates */
} __packed;
+/* generic ASRC component */
+struct sof_ipc_comp_asrc {
+ struct sof_ipc_comp comp;
+ struct sof_ipc_comp_config config;
+ /* either source or sink rate must be non zero */
+ uint32_t source_rate; /**< Define fixed source rate or */
+ /**< use 0 to indicate need to get */
+ /**< the rate from stream */
+ uint32_t sink_rate; /**< Define fixed sink rate or */
+ /**< use 0 to indicate need to get */
+ /**< the rate from stream */
+ uint32_t asynchronous_mode; /**< synchronous 0, asynchronous 1 */
+ /**< When 1 the ASRC tracks and */
+ /**< compensates for drift. */
+ uint32_t operation_mode; /**< push 0, pull 1, In push mode the */
+ /**< ASRC consumes a defined number */
+ /**< of frames at input, with varying */
+ /**< number of frames at output. */
+ /**< In pull mode the ASRC outputs */
+ /**< a defined number of frames while */
+ /**< number of input frames varies. */
+
+ /* reserved for future use */
+ uint32_t reserved[4];
+} __attribute__((packed));
+
/* generic MUX component */
struct sof_ipc_comp_mux {
struct sof_ipc_comp comp;