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 */
29struct 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
50struct amdgpu_nbio_ras {
51 struct amdgpu_ras_block_object ras_block;
52 void (*handle_ras_controller_intr_no_bifring)(struct amdgpu_device *adev);
53 void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev);
54 int (*init_ras_controller_interrupt)(struct amdgpu_device *adev);
55 int (*init_ras_err_event_athub_interrupt)(struct amdgpu_device *adev);
56};
57
58struct amdgpu_nbio_funcs {
59 const struct nbio_hdp_flush_reg *hdp_flush_reg;
60 u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
61 u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
62 u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
63 u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
64 u32 (*get_pcie_index_hi_offset)(struct amdgpu_device *adev);
65 u32 (*get_pcie_port_index_offset)(struct amdgpu_device *adev);
66 u32 (*get_pcie_port_data_offset)(struct amdgpu_device *adev);
67 u32 (*get_rev_id)(struct amdgpu_device *adev);
68 void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
69 u32 (*get_memsize)(struct amdgpu_device *adev);
70 void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
71 bool use_doorbell, int doorbell_index, int doorbell_size);
72 void (*vpe_doorbell_range)(struct amdgpu_device *adev, int instance,
73 bool use_doorbell, int doorbell_index, int doorbell_size);
74 void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
75 int doorbell_index, int instance);
76 void (*gc_doorbell_init)(struct amdgpu_device *adev);
77 void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
78 bool enable);
79 void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
80 bool enable);
81 void (*ih_doorbell_range)(struct amdgpu_device *adev,
82 bool use_doorbell, int doorbell_index);
83 void (*enable_doorbell_interrupt)(struct amdgpu_device *adev,
84 bool enable);
85 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
86 bool enable);
87 void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
88 bool enable);
89 void (*get_clockgating_state)(struct amdgpu_device *adev,
90 u64 *flags);
91 void (*ih_control)(struct amdgpu_device *adev);
92 void (*init_registers)(struct amdgpu_device *adev);
93 void (*remap_hdp_registers)(struct amdgpu_device *adev);
94 void (*enable_aspm)(struct amdgpu_device *adev,
95 bool enable);
96 void (*program_aspm)(struct amdgpu_device *adev);
97 void (*apply_lc_spc_mode_wa)(struct amdgpu_device *adev);
98 void (*apply_l1_link_width_reconfig_wa)(struct amdgpu_device *adev);
99 void (*clear_doorbell_interrupt)(struct amdgpu_device *adev);
100 u32 (*get_rom_offset)(struct amdgpu_device *adev);
101 int (*get_compute_partition_mode)(struct amdgpu_device *adev);
102 u32 (*get_memory_partition_mode)(struct amdgpu_device *adev,
103 u32 *supp_modes);
104 bool (*is_nps_switch_requested)(struct amdgpu_device *adev);
105 u64 (*get_pcie_replay_count)(struct amdgpu_device *adev);
106 void (*set_reg_remap)(struct amdgpu_device *adev);
107};
108
109struct amdgpu_nbio {
110 const struct nbio_hdp_flush_reg *hdp_flush_reg;
111 struct amdgpu_irq_src ras_controller_irq;
112 struct amdgpu_irq_src ras_err_event_athub_irq;
113 struct ras_common_if *ras_if;
114 const struct amdgpu_nbio_funcs *funcs;
115 struct amdgpu_nbio_ras *ras;
116};
117
118int amdgpu_nbio_ras_sw_init(struct amdgpu_device *adev);
119int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
120u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev);
121
122bool amdgpu_nbio_is_replay_cnt_supported(struct amdgpu_device *adev);
123
124#endif
125

source code of linux/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h