1 | /* |
2 | * Copyright 2014 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 | |
24 | #ifndef __AMDGPU_PM_H__ |
25 | #define __AMDGPU_PM_H__ |
26 | |
27 | struct cg_flag_name { |
28 | u64 flag; |
29 | const char *name; |
30 | }; |
31 | |
32 | enum amdgpu_device_attr_flags { |
33 | ATTR_FLAG_BASIC = (1 << 0), |
34 | ATTR_FLAG_ONEVF = (1 << 16), |
35 | }; |
36 | |
37 | #define ATTR_FLAG_TYPE_MASK (0x0000ffff) |
38 | #define ATTR_FLAG_MODE_MASK (0xffff0000) |
39 | #define ATTR_FLAG_MASK_ALL (0xffffffff) |
40 | |
41 | enum amdgpu_device_attr_states { |
42 | ATTR_STATE_UNSUPPORTED = 0, |
43 | ATTR_STATE_SUPPORTED, |
44 | }; |
45 | |
46 | struct amdgpu_device_attr { |
47 | struct device_attribute dev_attr; |
48 | enum amdgpu_device_attr_flags flags; |
49 | int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr, |
50 | uint32_t mask, enum amdgpu_device_attr_states *states); |
51 | |
52 | }; |
53 | |
54 | struct amdgpu_device_attr_entry { |
55 | struct list_head entry; |
56 | struct amdgpu_device_attr *attr; |
57 | }; |
58 | |
59 | #define to_amdgpu_device_attr(_dev_attr) \ |
60 | container_of(_dev_attr, struct amdgpu_device_attr, dev_attr) |
61 | |
62 | #define __AMDGPU_DEVICE_ATTR(_name, _mode, _show, _store, _flags, ...) \ |
63 | { .dev_attr = __ATTR(_name, _mode, _show, _store), \ |
64 | .flags = _flags, \ |
65 | ##__VA_ARGS__, } |
66 | |
67 | #define AMDGPU_DEVICE_ATTR(_name, _mode, _flags, ...) \ |
68 | __AMDGPU_DEVICE_ATTR(_name, _mode, \ |
69 | amdgpu_get_##_name, amdgpu_set_##_name, \ |
70 | _flags, ##__VA_ARGS__) |
71 | |
72 | #define AMDGPU_DEVICE_ATTR_RW(_name, _flags, ...) \ |
73 | AMDGPU_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR, \ |
74 | _flags, ##__VA_ARGS__) |
75 | |
76 | #define AMDGPU_DEVICE_ATTR_RO(_name, _flags, ...) \ |
77 | __AMDGPU_DEVICE_ATTR(_name, S_IRUGO, \ |
78 | amdgpu_get_##_name, NULL, \ |
79 | _flags, ##__VA_ARGS__) |
80 | |
81 | int amdgpu_pm_sysfs_init(struct amdgpu_device *adev); |
82 | int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev); |
83 | void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev); |
84 | void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev); |
85 | |
86 | void amdgpu_debugfs_pm_init(struct amdgpu_device *adev); |
87 | |
88 | #endif |
89 | |