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 
24 #ifndef __AMDGPU_DF_H__
25 #define __AMDGPU_DF_H__
26 
27 struct amdgpu_df_hash_status {
28 	bool hash_64k;
29 	bool hash_2m;
30 	bool hash_1g;
31 };
32 
33 struct amdgpu_df_funcs {
34 	void (*sw_init)(struct amdgpu_device *adev);
35 	void (*sw_fini)(struct amdgpu_device *adev);
36 	void (*hw_init)(struct amdgpu_device *adev);
37 	void (*enable_broadcast_mode)(struct amdgpu_device *adev,
38 				      bool enable);
39 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
40 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
41 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
42 						 bool enable);
43 	void (*get_clockgating_state)(struct amdgpu_device *adev,
44 				      u64 *flags);
45 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
46 					    bool enable);
47 	int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
48 					 int counter_idx, int is_add);
49 	int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
50 					 int counter_idx, int is_remove);
51 	void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
52 					 int counter_idx, uint64_t *count);
53 	uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
54 	void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
55 			 uint32_t ficadl_val, uint32_t ficadh_val);
56 	bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
57 };
58 
59 struct amdgpu_df {
60 	struct amdgpu_df_hash_status	hash_status;
61 	const struct amdgpu_df_funcs	*funcs;
62 };
63 
64 #endif /* __AMDGPU_DF_H__ */
65