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drm/amd: add ACP driver support

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This adds the ACP (Audio CoProcessor) IP driver and wires
it up to the amdgpu driver.  The ACP block provides the DMA
engine for i2s based ALSA driver. This is required for audio
on APUs that utilize an i2s codec.

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Murali Krishna Vemuri <murali-krishna.vemuri@amd.com>
Signed-off-by: Maruthi Bayyavarapu <maruthi.bayyavarapu@amd.com>
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Maruthi Bayyavarapu 2015-09-22 17:05:20 -04:00 • committed by Alex Deucher
parent 4ebd1673c6
commit a8fe58cec3
11 changed files with 480 additions and 1 deletions
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1
drivers/gpu/drm/amd/include/amd_shared.h
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@ -73,6 +73,7 @@ enum amd_ip_block_type {
AMD_IP_BLOCK_TYPE_SDMA,
AMD_IP_BLOCK_TYPE_UVD,
AMD_IP_BLOCK_TYPE_VCE,
AMD_IP_BLOCK_TYPE_ACP,
};
enum amd_clockgating_state {