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_GFXHUB_H__
24#define __AMDGPU_GFXHUB_H__
25
26struct amdgpu_gfxhub_funcs {
27 u64 (*get_fb_location)(struct amdgpu_device *adev);
28 u64 (*get_mc_fb_offset)(struct amdgpu_device *adev);
29 void (*setup_vm_pt_regs)(struct amdgpu_device *adev, uint32_t vmid,
30 uint64_t page_table_base);
31 int (*gart_enable)(struct amdgpu_device *adev);
32
33 void (*gart_disable)(struct amdgpu_device *adev);
34 void (*set_fault_enable_default)(struct amdgpu_device *adev, bool value);
35 void (*init)(struct amdgpu_device *adev);
36 int (*get_xgmi_info)(struct amdgpu_device *adev);
37 void (*utcl2_harvest)(struct amdgpu_device *adev);
38 void (*mode2_save_regs)(struct amdgpu_device *adev);
39 void (*mode2_restore_regs)(struct amdgpu_device *adev);
40 void (*halt)(struct amdgpu_device *adev);
41};
42
43struct amdgpu_gfxhub {
44 const struct amdgpu_gfxhub_funcs *funcs;
45};
46
47#endif
48

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