git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a3df1f7 AS |
1 | /* |
| 2 | * pm_wakeup.h - Power management wakeup interface | |
| 3 | * | |
| 4 | * Copyright (C) 2008 Alan Stern | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef _LINUX_PM_WAKEUP_H | |
| 22 | #define _LINUX_PM_WAKEUP_H | |
| 23 | ||
| 24 | #ifndef _DEVICE_H_ | |
| 25 | # error "please don't include this file directly" | |
| 26 | #endif | |
| 27 | ||
| 228c54ef DT |
28 | #include <linux/types.h> |
| 29 | ||
| 9a3df1f7 AS |
30 | #ifdef CONFIG_PM |
| 31 | ||
| 32 | /* changes to device_may_wakeup take effect on the next pm state change. | |
| 33 | * by default, devices should wakeup if they can. | |
| 34 | */ | |
| 228c54ef | 35 | static inline void device_init_wakeup(struct device *dev, bool val) |
| 9a3df1f7 | 36 | { |
| 228c54ef | 37 | dev->power.can_wakeup = dev->power.should_wakeup = val; |
| 9a3df1f7 AS |
38 | } |
| 39 | ||
| 228c54ef | 40 | static inline void device_set_wakeup_capable(struct device *dev, bool capable) |
| eb9d0fe4 | 41 | { |
| 228c54ef | 42 | dev->power.can_wakeup = capable; |
| eb9d0fe4 RW |
43 | } |
| 44 | ||
| 228c54ef | 45 | static inline bool device_can_wakeup(struct device *dev) |
| 9a3df1f7 AS |
46 | { |
| 47 | return dev->power.can_wakeup; | |
| 48 | } | |
| 49 | ||
| 228c54ef | 50 | static inline void device_set_wakeup_enable(struct device *dev, bool enable) |
| 9a3df1f7 | 51 | { |
| 228c54ef | 52 | dev->power.should_wakeup = enable; |
| 9a3df1f7 AS |
53 | } |
| 54 | ||
| 228c54ef | 55 | static inline bool device_may_wakeup(struct device *dev) |
| 9a3df1f7 | 56 | { |
| eb9d0fe4 | 57 | return dev->power.can_wakeup && dev->power.should_wakeup; |
| 9a3df1f7 AS |
58 | } |
| 59 | ||
| 60 | #else /* !CONFIG_PM */ | |
| 61 | ||
| 62 | /* For some reason the next two routines work even without CONFIG_PM */ | |
| 228c54ef | 63 | static inline void device_init_wakeup(struct device *dev, bool val) |
| 9a3df1f7 | 64 | { |
| 228c54ef | 65 | dev->power.can_wakeup = val; |
| 9a3df1f7 AS |
66 | } |
| 67 | ||
| 228c54ef DT |
68 | static inline void device_set_wakeup_capable(struct device *dev, bool capable) |
| 69 | { | |
| 70 | } | |
| c300bd2f | 71 | |
| 228c54ef | 72 | static inline bool device_can_wakeup(struct device *dev) |
| 9a3df1f7 AS |
73 | { |
| 74 | return dev->power.can_wakeup; | |
| 75 | } | |
| 76 | ||
| 228c54ef DT |
77 | static inline void device_set_wakeup_enable(struct device *dev, bool enable) |
| 78 | { | |
| 79 | } | |
| 80 | ||
| 81 | static inline bool device_may_wakeup(struct device *dev) | |
| 82 | { | |
| 83 | return false; | |
| 84 | } | |
| 9a3df1f7 | 85 | |
| 9a3df1f7 AS |
86 | #endif /* !CONFIG_PM */ |
| 87 | ||
| 88 | #endif /* _LINUX_PM_WAKEUP_H */ |