2 * Copyright (C) 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR 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) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 #ifndef __AMDGPU_MMHUB_H__
22 #define __AMDGPU_MMHUB_H__
24 struct amdgpu_mmhub_ras_funcs {
25 int (*ras_late_init)(struct amdgpu_device *adev);
26 void (*ras_fini)(struct amdgpu_device *adev);
27 void (*query_ras_error_count)(struct amdgpu_device *adev,
28 void *ras_error_status);
29 void (*query_ras_error_status)(struct amdgpu_device *adev);
30 void (*reset_ras_error_count)(struct amdgpu_device *adev);
33 struct amdgpu_mmhub_funcs {
34 u64 (*get_fb_location)(struct amdgpu_device *adev);
35 void (*init)(struct amdgpu_device *adev);
36 int (*gart_enable)(struct amdgpu_device *adev);
37 void (*set_fault_enable_default)(struct amdgpu_device *adev,
39 void (*gart_disable)(struct amdgpu_device *adev);
40 int (*set_clockgating)(struct amdgpu_device *adev,
41 enum amd_clockgating_state state);
42 void (*get_clockgating)(struct amdgpu_device *adev, u32 *flags);
43 void (*setup_vm_pt_regs)(struct amdgpu_device *adev, uint32_t vmid,
44 uint64_t page_table_base);
45 void (*update_power_gating)(struct amdgpu_device *adev,
50 struct ras_common_if *ras_if;
51 const struct amdgpu_mmhub_funcs *funcs;
52 const struct amdgpu_mmhub_ras_funcs *ras_funcs;
55 int amdgpu_mmhub_ras_late_init(struct amdgpu_device *adev);
56 void amdgpu_mmhub_ras_fini(struct amdgpu_device *adev);