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 
26 struct 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 };
38 
39 struct amdgpu_gfxhub {
40 	const struct amdgpu_gfxhub_funcs *funcs;
41 };
42 
43 #endif
44