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 (*enable_broadcast_mode)(struct amdgpu_device *adev,
37 				      bool enable);
38 	u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
39 	u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
40 	void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
41 						 bool enable);
42 	void (*get_clockgating_state)(struct amdgpu_device *adev,
43 				      u32 *flags);
44 	void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
45 					    bool enable);
46 	int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
47 					 int is_add);
48 	int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
49 					 int is_remove);
50 	void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
51 					 uint64_t *count);
52 	uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
53 	void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
54 			 uint32_t ficadl_val, uint32_t ficadh_val);
55 };
56 
57 struct amdgpu_df {
58 	struct amdgpu_df_hash_status	hash_status;
59 	const struct amdgpu_df_funcs	*funcs;
60 };
61 
62 #endif /* __AMDGPU_DF_H__ */
63