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basefw: Add handling of IPC4_DMA_CONTROL messages #9156

Merged
merged 2 commits into from
Sep 6, 2024
Merged

basefw: Add handling of IPC4_DMA_CONTROL messages #9156

merged 2 commits into from
Sep 6, 2024

Commits on Aug 9, 2024

  1. lib: dai: Expose Zephyr DAI device retrieval function 

    This patch exposes the function to retrieve a pointer to the Zephyr
device structure for a DAI of a given type and index. Previously, the
function `dai_get_zephyr_device` was static and only usable within
`dai.c`. By introducing `dai_get_device`, other parts of the SOF
codebase can now access the Zephyr DAI device pointers, facilitating
integration with Zephyr native DAI drivers.

Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
    @tmleman
    tmleman committed Aug 9, 2024
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  2. audio: base_fw: Implement IPC4_DMA_CONTROL message handling 

    This patch introduces handling for the IPC4_DMA_CONTROL message type in
the base firmware. The implementation includes a new function
`basefw_vendor_dma_control` to process the DMA Control configuration for
any DAI type.

The `basefw_dma_control` function has been added to handle the
IPC4_DMA_CONTROL message. It ensures the message is atomic and contains
all necessary information before casting the data buffer to the
`ipc4_dma_control` structure and processing it. The function also calls
`basefw_vendor_dma_control` to apply the DMA Control configuration to
the hardware.

The `basefw_set_large_config` function in `src/audio/base_fw.c` has been
updated to call `basefw_dma_control` when an IPC4_DMA_CONTROL message is
received. If the `dai_config_update` operation is not implemented by the
DAI driver, the function will return `-ENOSYS`.

This change allows the base firmware to initialize or modify DMA gateway
configurations dynamically, improving the flexibility of DMA management
in response to IPC messages.

Signed-off-by: Tomasz Leman <tomasz.m.leman@intel.com>
    @tmleman
    tmleman committed Aug 9, 2024
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