| 1 | |
| 2 | * Copyright 2020 Advanced Micro Devices, Inc.
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| 3 | *
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 5 | * copy of this software and associated documentation files (the "Software"),
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| 6 | * to deal in the Software without restriction, including without limitation
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the
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| 9 | * Software is furnished to do so, subject to the following conditions:
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| 10 | *
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| 11 | * The above copyright notice and this permission notice shall be included in
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| 12 | * all copies or substantial portions of the Software.
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| 13 | *
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 20 | * OTHER DEALINGS IN THE SOFTWARE.
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| 21 | *
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| 22 |
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| 23 | #ifndef __AMDGPU_HDP_H__
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| 24 | #define __AMDGPU_HDP_H__
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| 25 | #include "amdgpu_ras.h"
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| 26 |
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| 27 | struct amdgpu_hdp_ras {
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| 28 | struct amdgpu_ras_block_object ras_block;
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| 29 | };
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| 30 |
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| 31 | struct amdgpu_hdp_funcs {
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| 32 | void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
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| 33 | void (*invalidate_hdp)(struct amdgpu_device *adev,
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| 34 | struct amdgpu_ring *ring);
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| 35 | void (*update_clock_gating)(struct amdgpu_device *adev, bool enable);
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| 36 | void (*get_clock_gating_state)(struct amdgpu_device *adev, u64 *flags);
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| 37 | void (*init_registers)(struct amdgpu_device *adev);
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| 38 | };
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| 39 |
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| 40 | struct amdgpu_hdp {
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| 41 | struct ras_common_if *ras_if;
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| 42 | const struct amdgpu_hdp_funcs *funcs;
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| 43 | struct amdgpu_hdp_ras *ras;
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| 44 | };
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| 45 |
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| 46 | int amdgpu_hdp_ras_sw_init(struct amdgpu_device *adev);
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| 47 | void amdgpu_hdp_generic_flush(struct amdgpu_device *adev,
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| 48 | struct amdgpu_ring *ring);
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| 49 | void amdgpu_hdp_invalidate(struct amdgpu_device *adev,
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| 50 | struct amdgpu_ring *ring);
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| 51 | void amdgpu_hdp_flush(struct amdgpu_device *adev,
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| 52 | struct amdgpu_ring *ring);
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| 53 | #endif
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