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 { 29 u32 flag; 30 const char *name; 31 }; 32 33 enum amdgpu_device_attr_flags { 34 ATTR_FLAG_BASIC = (1 << 0), 35 ATTR_FLAG_ONEVF = (1 << 16), 36 }; 37 38 #define ATTR_FLAG_TYPE_MASK (0x0000ffff) 39 #define ATTR_FLAG_MODE_MASK (0xffff0000) 40 #define ATTR_FLAG_MASK_ALL (0xffffffff) 41 42 enum amdgpu_device_attr_states { 43 ATTR_STATE_UNSUPPORTED = 0, 44 ATTR_STATE_SUPPORTED, 45 }; 46 47 struct amdgpu_device_attr { 48 struct device_attribute dev_attr; 49 enum amdgpu_device_attr_flags flags; 50 int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr, 51 uint32_t mask, enum amdgpu_device_attr_states *states); 52 53 }; 54 55 struct amdgpu_device_attr_entry { 56 struct list_head entry; 57 struct amdgpu_device_attr *attr; 58 }; 59 60 #define to_amdgpu_device_attr(_dev_attr) \ 61 container_of(_dev_attr, struct amdgpu_device_attr, dev_attr) 62 63 #define __AMDGPU_DEVICE_ATTR(_name, _mode, _show, _store, _flags, ...) \ 64 { .dev_attr = __ATTR(_name, _mode, _show, _store), \ 65 .flags = _flags, \ 66 ##__VA_ARGS__, } 67 68 #define AMDGPU_DEVICE_ATTR(_name, _mode, _flags, ...) \ 69 __AMDGPU_DEVICE_ATTR(_name, _mode, \ 70 amdgpu_get_##_name, amdgpu_set_##_name, \ 71 _flags, ##__VA_ARGS__) 72 73 #define AMDGPU_DEVICE_ATTR_RW(_name, _flags, ...) \ 74 AMDGPU_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR, \ 75 _flags, ##__VA_ARGS__) 76 77 #define AMDGPU_DEVICE_ATTR_RO(_name, _flags, ...) \ 78 __AMDGPU_DEVICE_ATTR(_name, S_IRUGO, \ 79 amdgpu_get_##_name, NULL, \ 80 _flags, ##__VA_ARGS__) 81 82 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev); 83 int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev); 84 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev); 85 void amdgpu_pm_virt_sysfs_fini(struct amdgpu_device *adev); 86 87 void amdgpu_debugfs_pm_init(struct amdgpu_device *adev); 88 89 #endif 90