drivers/staging/android/android_alarm.h

   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>
  21
  22 enum android_alarm_type {
  23         /* return code bit numbers or set alarm arg */
  24         ANDROID_ALARM_RTC_WAKEUP,
  25         ANDROID_ALARM_RTC,
  26         ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
  27         ANDROID_ALARM_ELAPSED_REALTIME,
  28         ANDROID_ALARM_SYSTEMTIME,
  29
  30         ANDROID_ALARM_TYPE_COUNT,
  31
  32         /* return code bit numbers */
  33         /* ANDROID_ALARM_TIME_CHANGE = 16 */
  34 };
  35
  36 enum android_alarm_return_flags {
  37         ANDROID_ALARM_RTC_WAKEUP_MASK = 1U << ANDROID_ALARM_RTC_WAKEUP,
  38         ANDROID_ALARM_RTC_MASK = 1U << ANDROID_ALARM_RTC,
  39         ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK =
  40                                 1U << ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
  41         ANDROID_ALARM_ELAPSED_REALTIME_MASK =
  42                                 1U << ANDROID_ALARM_ELAPSED_REALTIME,
  43         ANDROID_ALARM_SYSTEMTIME_MASK = 1U << ANDROID_ALARM_SYSTEMTIME,
  44         ANDROID_ALARM_TIME_CHANGE_MASK = 1U << 16
  45 };
  46
  47 /* Disable alarm */
  48 #define ANDROID_ALARM_CLEAR(type)           _IO('a', 0 | ((type) << 4))
  49
  50 /* Ack last alarm and wait for next */
  51 #define ANDROID_ALARM_WAIT                  _IO('a', 1)
  52
  53 #define ALARM_IOW(c, type, size)            _IOW('a', (c) | ((type) << 4), size)
  54 /* Set alarm */
  55 #define ANDROID_ALARM_SET(type)             ALARM_IOW(2, type, struct timespec)
  56 #define ANDROID_ALARM_SET_AND_WAIT(type)    ALARM_IOW(3, type, struct timespec)
  57 #define ANDROID_ALARM_GET_TIME(type)        ALARM_IOW(4, type, struct timespec)
  58 #define ANDROID_ALARM_SET_RTC               _IOW('a', 5, struct timespec)
  59 #define ANDROID_ALARM_BASE_CMD(cmd)         (cmd & ~(_IOC(0, 0, 0xf0, 0)))
  60 #define ANDROID_ALARM_IOCTL_TO_TYPE(cmd)    (_IOC_NR(cmd) >> 4)
  61
  62 #endif