xref: /linux/drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
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