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 
26 struct amdgpu_hdp_ras_funcs {
27 	int (*ras_late_init)(struct amdgpu_device *adev);
28 	void (*ras_fini)(struct amdgpu_device *adev);
29 	void (*query_ras_error_count)(struct amdgpu_device *adev,
30 				      void *ras_error_status);
31 	void (*reset_ras_error_count)(struct amdgpu_device *adev);
32 };
33 
34 struct amdgpu_hdp_funcs {
35 	void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
36 	void (*invalidate_hdp)(struct amdgpu_device *adev,
37 			       struct amdgpu_ring *ring);
38 	void (*update_clock_gating)(struct amdgpu_device *adev, bool enable);
39 	void (*get_clock_gating_state)(struct amdgpu_device *adev, u32 *flags);
40 	void (*init_registers)(struct amdgpu_device *adev);
41 };
42 
43 struct amdgpu_hdp {
44 	struct ras_common_if			*ras_if;
45 	const struct amdgpu_hdp_funcs		*funcs;
46 	const struct amdgpu_hdp_ras_funcs	*ras_funcs;
47 };
48 
49 int amdgpu_hdp_ras_late_init(struct amdgpu_device *adev);
50 void amdgpu_hdp_ras_fini(struct amdgpu_device *adev);
51 #endif /* __AMDGPU_HDP_H__ */
52