mirror of https://github.com/thesofproject/sof.git
ipc: dai: add flags for DAI_CONFIG IPC
The DAI_CONFIG IPC is currently used both for hw_params and hw_free. For some DAIs, there are hacky ways with e.g. invalid DMA channels to indicate a hw_free. Rather than adding a new IPC for hw_params and hw_free, let's add a flag that indicates if the DAI_CONFIG is really applied during a hw_params or hw_free stage. This is tagged as a ABI 3.19 change. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
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@ -52,6 +52,13 @@
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#define SOF_DAI_FMT_INV_MASK 0x0f00
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#define SOF_DAI_FMT_CLOCK_PROVIDER_MASK 0xf000
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/* DAI_CONFIG flags */
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#define SOF_DAI_CONFIG_FLAGS_MASK 0x3
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#define SOF_DAI_CONFIG_FLAGS_NONE (0 << 0) /**< DAI_CONFIG sent without stage information */
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#define SOF_DAI_CONFIG_FLAGS_HW_PARAMS (1 << 0) /**< DAI_CONFIG sent during hw_params stage */
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#define SOF_DAI_CONFIG_FLAGS_HW_FREE (2 << 0) /**< DAI_CONFIG sent during hw_free stage */
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#define SOF_DAI_CONFIG_FLAGS_RFU (3 << 0) /**< not used, reserved for future use */
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/** \brief Types of DAI */
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enum sof_ipc_dai_type {
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SOF_DAI_INTEL_NONE = 0, /**< None */
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@ -72,7 +79,7 @@ struct sof_ipc_dai_config {
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/* physical protocol and clocking */
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uint16_t format; /**< SOF_DAI_FMT_ */
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uint8_t group_id; /**< group ID, 0 means no group (ABI 3.17) */
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uint8_t reserved8; /**< alignment */
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uint8_t flags; /**< SOF_DAI_CONFIG_FLAGS_ (ABI 3.19) */
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/* reserved for future use */
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uint32_t reserved[8];
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