1 /* 2 * Copyright (C) 2019 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 12 * in all copies or substantial portions of the Software. 13 * 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. 20 */ 21 #ifndef __AMDGPU_MMHUB_H__ 22 #define __AMDGPU_MMHUB_H__ 23 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); 31 void (*reset_ras_error_status)(struct amdgpu_device *adev); 32 }; 33 34 struct amdgpu_mmhub_funcs { 35 u64 (*get_fb_location)(struct amdgpu_device *adev); 36 void (*init)(struct amdgpu_device *adev); 37 int (*gart_enable)(struct amdgpu_device *adev); 38 void (*set_fault_enable_default)(struct amdgpu_device *adev, 39 bool value); 40 void (*gart_disable)(struct amdgpu_device *adev); 41 int (*set_clockgating)(struct amdgpu_device *adev, 42 enum amd_clockgating_state state); 43 void (*get_clockgating)(struct amdgpu_device *adev, u32 *flags); 44 void (*setup_vm_pt_regs)(struct amdgpu_device *adev, uint32_t vmid, 45 uint64_t page_table_base); 46 void (*update_power_gating)(struct amdgpu_device *adev, 47 bool enable); 48 }; 49 50 struct amdgpu_mmhub { 51 struct ras_common_if *ras_if; 52 const struct amdgpu_mmhub_funcs *funcs; 53 const struct amdgpu_mmhub_ras_funcs *ras_funcs; 54 }; 55 56 int amdgpu_mmhub_ras_late_init(struct amdgpu_device *adev); 57 void amdgpu_mmhub_ras_fini(struct amdgpu_device *adev); 58 #endif 59 60