amd/amdgpu/amdgpu_hdp.h

0001 /*
0002  * Copyright 2020 Advanced Micro Devices, Inc.
0003  *
0004  * Permission is hereby granted, free of charge, to any person obtaining a
0005  * copy of this software and associated documentation files (the "Software"),
0006  * to deal in the Software without restriction, including without limitation
0007  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
0008  * and/or sell copies of the Software, and to permit persons to whom the
0009  * Software is furnished to do so, subject to the following conditions:
0010  *
0011  * The above copyright notice and this permission notice shall be included in
0012  * all copies or substantial portions of the Software.
0013  *
0014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
0017  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
0018  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0019  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0020  * OTHER DEALINGS IN THE SOFTWARE.
0021  *
0022  */
0023 #ifndef __AMDGPU_HDP_H__
0024 #define __AMDGPU_HDP_H__
0025 #include "amdgpu_ras.h"
0026
0027 struct amdgpu_hdp_ras {
0028     struct amdgpu_ras_block_object ras_block;
0029 };
0030
0031 struct amdgpu_hdp_funcs {
0032     void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
0033     void (*invalidate_hdp)(struct amdgpu_device *adev,
0034                    struct amdgpu_ring *ring);
0035     void (*update_clock_gating)(struct amdgpu_device *adev, bool enable);
0036     void (*get_clock_gating_state)(struct amdgpu_device *adev, u64 *flags);
0037     void (*init_registers)(struct amdgpu_device *adev);
0038 };
0039
0040 struct amdgpu_hdp {
0041     struct ras_common_if            *ras_if;
0042     const struct amdgpu_hdp_funcs       *funcs;
0043     struct amdgpu_hdp_ras   *ras;
0044 };
0045
0046 int amdgpu_hdp_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
0047 #endif /* __AMDGPU_HDP_H__ */