projects / linux-2.6-block.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 | ||
| 28 | #ifdef CONFIG_PM | |
| 29 | ||
| 30 | /* changes to device_may_wakeup take effect on the next pm state change. | |
| 31 | * by default, devices should wakeup if they can. | |
| 32 | */ | |
| 33 | static inline void device_init_wakeup(struct device *dev, int val) | |
| 34 | { | |
| 35 | dev->power.can_wakeup = dev->power.should_wakeup = !!val; | |
| 36 | } | |
| 37 | ||
| eb9d0fe4 RW |
38 | static inline void device_set_wakeup_capable(struct device *dev, int val) |
| 39 | { | |
| 40 | dev->power.can_wakeup = !!val; | |
| 41 | } | |
| 42 | ||
| 9a3df1f7 AS |
43 | static inline int device_can_wakeup(struct device *dev) |
| 44 | { | |
| 45 | return dev->power.can_wakeup; | |
| 46 | } | |
| 47 | ||
| 48 | static inline void device_set_wakeup_enable(struct device *dev, int val) | |
| 49 | { | |
| 50 | dev->power.should_wakeup = !!val; | |
| 51 | } | |
| 52 | ||
| 53 | static inline int device_may_wakeup(struct device *dev) | |
| 54 | { | |
| eb9d0fe4 | 55 | return dev->power.can_wakeup && dev->power.should_wakeup; |
| 9a3df1f7 AS |
56 | } |
| 57 | ||
| 58 | #else /* !CONFIG_PM */ | |
| 59 | ||
| 60 | /* For some reason the next two routines work even without CONFIG_PM */ | |
| 61 | static inline void device_init_wakeup(struct device *dev, int val) | |
| 62 | { | |
| 63 | dev->power.can_wakeup = !!val; | |
| 64 | } | |
| 65 | ||
| c300bd2f SR |
66 | static inline void device_set_wakeup_capable(struct device *dev, int val) { } |
| 67 | ||
| 9a3df1f7 AS |
68 | static inline int device_can_wakeup(struct device *dev) |
| 69 | { | |
| 70 | return dev->power.can_wakeup; | |
| 71 | } | |
| 72 | ||
| 73 | #define device_set_wakeup_enable(dev, val) do {} while (0) | |
| 74 | #define device_may_wakeup(dev) 0 | |
| 75 | ||
| 9a3df1f7 AS |
76 | #endif /* !CONFIG_PM */ |
| 77 | ||
| 78 | #endif /* _LINUX_PM_WAKEUP_H */ |