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1/*2 * Copyright 2020 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * 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#endif48