1/*
2 *  linux/include/asm-arm/rtc.h
3 *
4 *  Copyright (C) 2003 Deep Blue Solutions Ltd.
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 version 2 as
8 * published by the Free Software Foundation.
9 */
10#ifndef ASMARM_RTC_H
11#define ASMARM_RTC_H
12
13struct module;
14
15struct rtc_ops {
16	struct module	*owner;
17	int		(*open)(void);
18	void		(*release)(void);
19	int		(*ioctl)(unsigned int, unsigned long);
20
21	int		(*read_time)(struct rtc_time *);
22	int		(*set_time)(struct rtc_time *);
23	int		(*read_alarm)(struct rtc_wkalrm *);
24	int		(*set_alarm)(struct rtc_wkalrm *);
25	int		(*proc)(char *buf);
26};
27
28void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *);
29void rtc_update(unsigned long, unsigned long);
30int register_rtc(struct rtc_ops *);
31void unregister_rtc(struct rtc_ops *);
32
33static inline int rtc_periodic_alarm(struct rtc_time *tm)
34{
35	return  (tm->tm_year == -1) ||
36		((unsigned)tm->tm_mon >= 12) ||
37		((unsigned)(tm->tm_mday - 1) >= 31) ||
38		((unsigned)tm->tm_hour > 23) ||
39		((unsigned)tm->tm_min > 59) ||
40		((unsigned)tm->tm_sec > 59);
41}
42
43#endif
44