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