rtc.h 1.1 KB

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  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. struct module;
  13. struct rtc_ops {
  14. struct module *owner;
  15. int (*open)(void);
  16. void (*release)(void);
  17. int (*ioctl)(unsigned int, unsigned long);
  18. int (*read_time)(struct rtc_time *);
  19. int (*set_time)(struct rtc_time *);
  20. int (*read_alarm)(struct rtc_wkalrm *);
  21. int (*set_alarm)(struct rtc_wkalrm *);
  22. int (*proc)(char *buf);
  23. };
  24. void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *);
  25. void rtc_update(unsigned long, unsigned long);
  26. int register_rtc(struct rtc_ops *);
  27. void unregister_rtc(struct rtc_ops *);
  28. static inline int rtc_periodic_alarm(struct rtc_time *tm)
  29. {
  30. return (tm->tm_year == -1) ||
  31. ((unsigned)tm->tm_mon >= 12) ||
  32. ((unsigned)(tm->tm_mday - 1) >= 31) ||
  33. ((unsigned)tm->tm_hour > 23) ||
  34. ((unsigned)tm->tm_min > 59) ||
  35. ((unsigned)tm->tm_sec > 59);
  36. }
  37. #endif