rtc.h
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上传日期:2009-04-28
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文件大小:1k
- /*
- * linux/include/asm-arm/rtc.h
- *
- * Copyright (C) 2003 Deep Blue Solutions Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef ASMARM_RTC_H
- #define ASMARM_RTC_H
- struct module;
- struct rtc_ops {
- struct module *owner;
- int (*open)(void);
- void (*release)(void);
- int (*ioctl)(unsigned int, unsigned long);
- int (*read_time)(struct rtc_time *);
- int (*set_time)(struct rtc_time *);
- int (*read_alarm)(struct rtc_wkalrm *);
- int (*set_alarm)(struct rtc_wkalrm *);
- int (*proc)(char *buf);
- };
- void rtc_time_to_tm(unsigned long, struct rtc_time *);
- int rtc_tm_to_time(struct rtc_time *, unsigned long *);
- int rtc_valid_tm(struct rtc_time *);
- void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *);
- void rtc_update(unsigned long, unsigned long);
- int register_rtc(struct rtc_ops *);
- void unregister_rtc(struct rtc_ops *);
- static inline int rtc_periodic_alarm(struct rtc_time *tm)
- {
- return (tm->tm_year == -1) ||
- ((unsigned)tm->tm_mon >= 12) ||
- ((unsigned)(tm->tm_mday - 1) >= 31) ||
- ((unsigned)tm->tm_hour > 23) ||
- ((unsigned)tm->tm_min > 59) ||
- ((unsigned)tm->tm_sec > 59);
- }
- #endif