1 /* 2 * Copyright 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 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_NBIO_H__ 24 #define __AMDGPU_NBIO_H__ 25 26 /* 27 * amdgpu nbio functions 28 */ 29 struct nbio_hdp_flush_reg { 30 u32 ref_and_mask_cp0; 31 u32 ref_and_mask_cp1; 32 u32 ref_and_mask_cp2; 33 u32 ref_and_mask_cp3; 34 u32 ref_and_mask_cp4; 35 u32 ref_and_mask_cp5; 36 u32 ref_and_mask_cp6; 37 u32 ref_and_mask_cp7; 38 u32 ref_and_mask_cp8; 39 u32 ref_and_mask_cp9; 40 u32 ref_and_mask_sdma0; 41 u32 ref_and_mask_sdma1; 42 u32 ref_and_mask_sdma2; 43 u32 ref_and_mask_sdma3; 44 u32 ref_and_mask_sdma4; 45 u32 ref_and_mask_sdma5; 46 u32 ref_and_mask_sdma6; 47 u32 ref_and_mask_sdma7; 48 }; 49 50 struct amdgpu_nbio_funcs { 51 const struct nbio_hdp_flush_reg *hdp_flush_reg; 52 u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev); 53 u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev); 54 u32 (*get_pcie_index_offset)(struct amdgpu_device *adev); 55 u32 (*get_pcie_data_offset)(struct amdgpu_device *adev); 56 u32 (*get_rev_id)(struct amdgpu_device *adev); 57 void (*mc_access_enable)(struct amdgpu_device *adev, bool enable); 58 void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring); 59 u32 (*get_memsize)(struct amdgpu_device *adev); 60 void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance, 61 bool use_doorbell, int doorbell_index, int doorbell_size); 62 void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell, 63 int doorbell_index, int instance); 64 void (*enable_doorbell_aperture)(struct amdgpu_device *adev, 65 bool enable); 66 void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev, 67 bool enable); 68 void (*ih_doorbell_range)(struct amdgpu_device *adev, 69 bool use_doorbell, int doorbell_index); 70 void (*enable_doorbell_interrupt)(struct amdgpu_device *adev, 71 bool enable); 72 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev, 73 bool enable); 74 void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev, 75 bool enable); 76 void (*get_clockgating_state)(struct amdgpu_device *adev, 77 u32 *flags); 78 void (*ih_control)(struct amdgpu_device *adev); 79 void (*init_registers)(struct amdgpu_device *adev); 80 void (*detect_hw_virt)(struct amdgpu_device *adev); 81 void (*remap_hdp_registers)(struct amdgpu_device *adev); 82 void (*handle_ras_controller_intr_no_bifring)(struct amdgpu_device *adev); 83 void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev); 84 int (*init_ras_controller_interrupt)(struct amdgpu_device *adev); 85 int (*init_ras_err_event_athub_interrupt)(struct amdgpu_device *adev); 86 void (*query_ras_error_count)(struct amdgpu_device *adev, 87 void *ras_error_status); 88 int (*ras_late_init)(struct amdgpu_device *adev); 89 }; 90 91 struct amdgpu_nbio { 92 const struct nbio_hdp_flush_reg *hdp_flush_reg; 93 struct amdgpu_irq_src ras_controller_irq; 94 struct amdgpu_irq_src ras_err_event_athub_irq; 95 struct ras_common_if *ras_if; 96 const struct amdgpu_nbio_funcs *funcs; 97 }; 98 99 int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev); 100 void amdgpu_nbio_ras_fini(struct amdgpu_device *adev); 101 #endif 102