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