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
26enum 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
33struct amdgpu_smuio_mcm_config_info {
34 int socket_id;
35 int die_id;
36};
37
38struct 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
50struct amdgpu_smuio {
51 const struct amdgpu_smuio_funcs *funcs;
52};
53
54#endif /* __AMDGPU_SMUIO_H__ */
55

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_smuio.h