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author | Hawking Zhang <Hawking.Zhang@amd.com> | 2019-08-23 19:02:14 +0800 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-13 17:11:03 -0500 |
commit | 078ef4e9325012f4d11d132e2f7e5a4c4946bceb (patch) | |
tree | 57a924ea885a6823363d69431b944fd952b76faa | |
parent | 9a60b2990d6c2b7ab935fe0a5cc274de67d98bed (diff) | |
download | linux-stable-078ef4e9325012f4d11d132e2f7e5a4c4946bceb.tar.gz linux-stable-078ef4e9325012f4d11d132e2f7e5a4c4946bceb.tar.bz2 linux-stable-078ef4e9325012f4d11d132e2f7e5a4c4946bceb.zip |
drm/amdgpu: add new amdgpu nbio header file
More nbio funcitonalities will be added and nbio could
be treated as an ip block like gfx/sdma.etc
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h new file mode 100644 index 000000000000..0563476b1242 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h @@ -0,0 +1,87 @@ +/* + * Copyright 2019 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef __AMDGPU_NBIO_H__ +#define __AMDGPU_NBIO_H__ + +/* + * amdgpu nbio functions + */ +struct nbio_hdp_flush_reg { + u32 ref_and_mask_cp0; + u32 ref_and_mask_cp1; + u32 ref_and_mask_cp2; + u32 ref_and_mask_cp3; + u32 ref_and_mask_cp4; + u32 ref_and_mask_cp5; + u32 ref_and_mask_cp6; + u32 ref_and_mask_cp7; + u32 ref_and_mask_cp8; + u32 ref_and_mask_cp9; + u32 ref_and_mask_sdma0; + u32 ref_and_mask_sdma1; + u32 ref_and_mask_sdma2; + u32 ref_and_mask_sdma3; + u32 ref_and_mask_sdma4; + u32 ref_and_mask_sdma5; + u32 ref_and_mask_sdma6; + u32 ref_and_mask_sdma7; +}; + +struct amdgpu_nbio_funcs { + const struct nbio_hdp_flush_reg *hdp_flush_reg; + u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev); + u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev); + u32 (*get_pcie_index_offset)(struct amdgpu_device *adev); + u32 (*get_pcie_data_offset)(struct amdgpu_device *adev); + u32 (*get_rev_id)(struct amdgpu_device *adev); + void (*mc_access_enable)(struct amdgpu_device *adev, bool enable); + void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring); + u32 (*get_memsize)(struct amdgpu_device *adev); + void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance, + bool use_doorbell, int doorbell_index, int doorbell_size); + void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index, int instance); + void (*enable_doorbell_aperture)(struct amdgpu_device *adev, + bool enable); + void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev, + bool enable); + void (*ih_doorbell_range)(struct amdgpu_device *adev, + bool use_doorbell, int doorbell_index); + void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev, + bool enable); + void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev, + bool enable); + void (*get_clockgating_state)(struct amdgpu_device *adev, + u32 *flags); + void (*ih_control)(struct amdgpu_device *adev); + void (*init_registers)(struct amdgpu_device *adev); + void (*detect_hw_virt)(struct amdgpu_device *adev); + void (*remap_hdp_registers)(struct amdgpu_device *adev); +}; + +struct amdgpu_nbio { + const struct nbio_hdp_flush_reg *hdp_flush_reg; + const struct amdgpu_nbio_funcs *funcs; +}; + +#endif |