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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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12
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -53,6 +53,7 @@
#include "amdgpu_ucode.h"
#include "amdgpu_gds.h"
#include "amd_powerplay.h"
#include "amdgpu_acp.h"
#include "gpu_scheduler.h"
@@ -1890,6 +1891,13 @@ void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
void amdgpu_cgs_destroy_device(void *cgs_device);
/*
* CGS
*/
void *amdgpu_cgs_create_device(struct amdgpu_device *adev);
void amdgpu_cgs_destroy_device(void *cgs_device);
/*
* Core structure, functions and helpers.
*/
@@ -1910,6 +1918,10 @@ struct amdgpu_device {
struct drm_device *ddev;
struct pci_dev *pdev;
#ifdef CONFIG_DRM_AMD_ACP
struct amdgpu_acp acp;
#endif
/* ASIC */
enum amd_asic_type asic_type;
uint32_t family;