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 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 43 struct amdgpu_gfxhub { 44 const struct amdgpu_gfxhub_funcs *funcs; 45 }; 46 47 #endif 48