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
24enum amdgpu_mmhub_ras_memory_id {
25 AMDGPU_MMHUB_WGMI_PAGEMEM = 0,
26 AMDGPU_MMHUB_RGMI_PAGEMEM = 1,
27 AMDGPU_MMHUB_WDRAM_PAGEMEM = 2,
28 AMDGPU_MMHUB_RDRAM_PAGEMEM = 3,
29 AMDGPU_MMHUB_WIO_CMDMEM = 4,
30 AMDGPU_MMHUB_RIO_CMDMEM = 5,
31 AMDGPU_MMHUB_WGMI_CMDMEM = 6,
32 AMDGPU_MMHUB_RGMI_CMDMEM = 7,
33 AMDGPU_MMHUB_WDRAM_CMDMEM = 8,
34 AMDGPU_MMHUB_RDRAM_CMDMEM = 9,
35 AMDGPU_MMHUB_MAM_DMEM0 = 10,
36 AMDGPU_MMHUB_MAM_DMEM1 = 11,
37 AMDGPU_MMHUB_MAM_DMEM2 = 12,
38 AMDGPU_MMHUB_MAM_DMEM3 = 13,
39 AMDGPU_MMHUB_WRET_TAGMEM = 19,
40 AMDGPU_MMHUB_RRET_TAGMEM = 20,
41 AMDGPU_MMHUB_WIO_DATAMEM = 21,
42 AMDGPU_MMHUB_WGMI_DATAMEM = 22,
43 AMDGPU_MMHUB_WDRAM_DATAMEM = 23,
44 AMDGPU_MMHUB_MEMORY_BLOCK_LAST,
45};
46
47struct amdgpu_mmhub_ras {
48 struct amdgpu_ras_block_object ras_block;
49};
50
51struct amdgpu_mmhub_funcs {
52 u64 (*get_fb_location)(struct amdgpu_device *adev);
53 u64 (*get_mc_fb_offset)(struct amdgpu_device *adev);
54 void (*init)(struct amdgpu_device *adev);
55 int (*gart_enable)(struct amdgpu_device *adev);
56 void (*set_fault_enable_default)(struct amdgpu_device *adev,
57 bool value);
58 void (*gart_disable)(struct amdgpu_device *adev);
59 int (*set_clockgating)(struct amdgpu_device *adev,
60 enum amd_clockgating_state state);
61 void (*get_clockgating)(struct amdgpu_device *adev, u64 *flags);
62 void (*setup_vm_pt_regs)(struct amdgpu_device *adev, uint32_t vmid,
63 uint64_t page_table_base);
64 void (*update_power_gating)(struct amdgpu_device *adev,
65 bool enable);
66};
67
68struct amdgpu_mmhub {
69 struct ras_common_if *ras_if;
70 const struct amdgpu_mmhub_funcs *funcs;
71 struct amdgpu_mmhub_ras *ras;
72};
73
74int amdgpu_mmhub_ras_sw_init(struct amdgpu_device *adev);
75
76#endif
77
78

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