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_SMUIO_H__
24  #define __AMDGPU_SMUIO_H__
25  
26  enum amdgpu_pkg_type {
27  	AMDGPU_PKG_TYPE_APU = 2,
28  	AMDGPU_PKG_TYPE_CEM = 3,
29  	AMDGPU_PKG_TYPE_OAM = 4,
30  	AMDGPU_PKG_TYPE_UNKNOWN,
31  };
32  
33  struct amdgpu_smuio_mcm_config_info {
34  	int socket_id;
35  	int die_id;
36  };
37  
38  struct amdgpu_smuio_funcs {
39  	u32 (*get_rom_index_offset)(struct amdgpu_device *adev);
40  	u32 (*get_rom_data_offset)(struct amdgpu_device *adev);
41  	void (*update_rom_clock_gating)(struct amdgpu_device *adev, bool enable);
42  	void (*get_clock_gating_state)(struct amdgpu_device *adev, u64 *flags);
43  	u32 (*get_die_id)(struct amdgpu_device *adev);
44  	u32 (*get_socket_id)(struct amdgpu_device *adev);
45  	enum amdgpu_pkg_type (*get_pkg_type)(struct amdgpu_device *adev);
46  	bool (*is_host_gpu_xgmi_supported)(struct amdgpu_device *adev);
47  	u64 (*get_gpu_clock_counter)(struct amdgpu_device *adev);
48  };
49  
50  struct amdgpu_smuio {
51  	const struct amdgpu_smuio_funcs		*funcs;
52  };
53  
54  #endif /* __AMDGPU_SMUIO_H__ */
55