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ASoC: SOF: Add asynchronous sample rate converter topology support

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This patch adds into SOF topology the handling of ASRC DAPM type,
adds the tokens to configure the ASRC, and implement component IPC
into the driver.

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191210004854.16845-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Seppo Ingalsuo
2019-12-09 18:48:47 -06:00
committed by Mark Brown
parent d612b455f1
commit 433363e779
4 changed files with 112 additions and 1 deletions
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27
include/sound/sof/topology.h
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@@ -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;