Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / android / android_alarm.h
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1/* include/linux/android_alarm.h
2 *
3 * Copyright (C) 2006-2007 Google, Inc.
4 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#ifndef _LINUX_ANDROID_ALARM_H
17#define _LINUX_ANDROID_ALARM_H
18
19#include <linux/ioctl.h>
20#include <linux/time.h>
532572b9 21#include <linux/compat.h>
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22
23enum android_alarm_type {
24 /* return code bit numbers or set alarm arg */
25 ANDROID_ALARM_RTC_WAKEUP,
26 ANDROID_ALARM_RTC,
27 ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
28 ANDROID_ALARM_ELAPSED_REALTIME,
29 ANDROID_ALARM_SYSTEMTIME,
30
31 ANDROID_ALARM_TYPE_COUNT,
32
33 /* return code bit numbers */
34 /* ANDROID_ALARM_TIME_CHANGE = 16 */
35};
36
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37enum android_alarm_return_flags {
38 ANDROID_ALARM_RTC_WAKEUP_MASK = 1U << ANDROID_ALARM_RTC_WAKEUP,
39 ANDROID_ALARM_RTC_MASK = 1U << ANDROID_ALARM_RTC,
40 ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK =
41 1U << ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
42 ANDROID_ALARM_ELAPSED_REALTIME_MASK =
43 1U << ANDROID_ALARM_ELAPSED_REALTIME,
44 ANDROID_ALARM_SYSTEMTIME_MASK = 1U << ANDROID_ALARM_SYSTEMTIME,
45 ANDROID_ALARM_TIME_CHANGE_MASK = 1U << 16
46};
47
48/* Disable alarm */
49#define ANDROID_ALARM_CLEAR(type) _IO('a', 0 | ((type) << 4))
50
51/* Ack last alarm and wait for next */
52#define ANDROID_ALARM_WAIT _IO('a', 1)
53
54#define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size)
55/* Set alarm */
56#define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec)
57#define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec)
d38e0e3f 58#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec)
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59#define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec)
60#define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0)))
61#define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4)
62
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63
64#ifdef CONFIG_COMPAT
65#define ANDROID_ALARM_SET_COMPAT(type) ALARM_IOW(2, type, \
66 struct compat_timespec)
67#define ANDROID_ALARM_SET_AND_WAIT_COMPAT(type) ALARM_IOW(3, type, \
68 struct compat_timespec)
69#define ANDROID_ALARM_GET_TIME_COMPAT(type) ALARM_IOW(4, type, \
70 struct compat_timespec)
71#define ANDROID_ALARM_SET_RTC_COMPAT _IOW('a', 5, \
72 struct compat_timespec)
73#define ANDROID_ALARM_IOCTL_NR(cmd) (_IOC_NR(cmd) & ((1<<4)-1))
74#define ANDROID_ALARM_COMPAT_TO_NORM(cmd) \
75 ALARM_IOW(ANDROID_ALARM_IOCTL_NR(cmd), \
76 ANDROID_ALARM_IOCTL_TO_TYPE(cmd), \
77 struct timespec)
78
79#endif
80
841cb11c 81#endif