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| author | Rex Zhu <Rex.Zhu@amd.com> | 2015-09-15 14:44:44 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-12-21 16:42:06 -0500 |
| commit | 3f1d35a03b3cc7e0fb85c92f4ac6eafd1780d5dc (patch) | |
| tree | dea27428545270e14447190847d33d32ab90f3df /drivers/gpu/drm/amd/include/cgs_common.h | |
| parent | 66dc0ddd02a1fdc6678e0b3ffcb257630462afaa (diff) | |
| download | op-kernel-dev-3f1d35a03b3cc7e0fb85c92f4ac6eafd1780d5dc.zip op-kernel-dev-3f1d35a03b3cc7e0fb85c92f4ac6eafd1780d5dc.tar.gz | |
drm/amdgpu: implement new cgs interface for acpi function
Add a new driver internal interface for accessing ACPI
methods. These will be used by various new components
including powerplay.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include/cgs_common.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/cgs_common.h | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index 992dcd8..8bf6ee5 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -129,6 +129,39 @@ struct cgs_firmware_info { typedef unsigned long cgs_handle_t; +#define CGS_ACPI_METHOD_ATCS 0x53435441 +#define CGS_ACPI_METHOD_ATIF 0x46495441 +#define CGS_ACPI_METHOD_ATPX 0x58505441 +#define CGS_ACPI_FIELD_METHOD_NAME 0x00000001 +#define CGS_ACPI_FIELD_INPUT_ARGUMENT_COUNT 0x00000002 +#define CGS_ACPI_MAX_BUFFER_SIZE 256 +#define CGS_ACPI_TYPE_ANY 0x00 +#define CGS_ACPI_TYPE_INTEGER 0x01 +#define CGS_ACPI_TYPE_STRING 0x02 +#define CGS_ACPI_TYPE_BUFFER 0x03 +#define CGS_ACPI_TYPE_PACKAGE 0x04 + +struct cgs_acpi_method_argument { + uint32_t type; + uint32_t method_length; + uint32_t data_length; + union{ + uint32_t value; + void *pointer; + }; +}; + +struct cgs_acpi_method_info { + uint32_t size; + uint32_t field; + uint32_t input_count; + uint32_t name; + struct cgs_acpi_method_argument *pinput_argument; + uint32_t output_count; + struct cgs_acpi_method_argument *poutput_argument; + uint32_t padding[9]; +}; + /** * cgs_gpu_mem_info() - Return information about memory heaps * @cgs_device: opaque device handle @@ -493,6 +526,13 @@ typedef int(*cgs_set_clockgating_state)(void *cgs_device, enum amd_ip_block_type block_type, enum amd_clockgating_state state); +typedef int (*cgs_call_acpi_method)(void *cgs_device, + uint32_t acpi_method, + uint32_t acpi_function, + void *pinput, void *poutput, + uint32_t output_count, + uint32_t input_size, + uint32_t output_size); struct cgs_ops { /* memory management calls (similar to KFD interface) */ cgs_gpu_mem_info_t gpu_mem_info; @@ -533,7 +573,8 @@ struct cgs_ops { /* cg pg interface*/ cgs_set_powergating_state set_powergating_state; cgs_set_clockgating_state set_clockgating_state; - /* ACPI (TODO) */ + /* ACPI */ + cgs_call_acpi_method call_acpi_method; }; struct cgs_os_ops; /* To be define in OS-specific CGS header */ @@ -620,5 +661,7 @@ struct cgs_device CGS_CALL(set_powergating_state, dev, block_type, state) #define cgs_set_clockgating_state(dev, block_type, state) \ CGS_CALL(set_clockgating_state, dev, block_type, state) +#define cgs_call_acpi_method(dev, acpi_method, acpi_function, pintput, poutput, output_count, input_size, output_size) \ + CGS_CALL(call_acpi_method, dev, acpi_method, acpi_function, pintput, poutput, output_count, input_size, output_size) #endif /* _CGS_COMMON_H */ |
