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_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  
58  struct 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  	u64 (*get_pcie_replay_count)(struct amdgpu_device *adev);
105  	void (*set_reg_remap)(struct amdgpu_device *adev);
106  };
107  
108  struct amdgpu_nbio {
109  	const struct nbio_hdp_flush_reg *hdp_flush_reg;
110  	struct amdgpu_irq_src ras_controller_irq;
111  	struct amdgpu_irq_src ras_err_event_athub_irq;
112  	struct ras_common_if *ras_if;
113  	const struct amdgpu_nbio_funcs *funcs;
114  	struct amdgpu_nbio_ras  *ras;
115  };
116  
117  int amdgpu_nbio_ras_sw_init(struct amdgpu_device *adev);
118  int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
119  u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev);
120  
121  #endif
122