rtc.h 1.9 KB

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  1. /*
  2. * (C) Copyright 2001
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. /*
  24. * Generic RTC interface.
  25. */
  26. #ifndef _RTC_H_
  27. #define _RTC_H_
  28. /* bcd<->bin functions are needed by almost all the RTC drivers, let's include
  29. * it there instead of in evey single driver */
  30. #include <bcd.h>
  31. /*
  32. * The struct used to pass data from the generic interface code to
  33. * the hardware dependend low-level code ande vice versa. Identical
  34. * to struct rtc_time used by the Linux kernel.
  35. *
  36. * Note that there are small but significant differences to the
  37. * common "struct time":
  38. *
  39. * struct time: struct rtc_time:
  40. * tm_mon 0 ... 11 1 ... 12
  41. * tm_year years since 1900 years since 0
  42. */
  43. struct rtc_time {
  44. int tm_sec;
  45. int tm_min;
  46. int tm_hour;
  47. int tm_mday;
  48. int tm_mon;
  49. int tm_year;
  50. int tm_wday;
  51. int tm_yday;
  52. int tm_isdst;
  53. };
  54. int rtc_get (struct rtc_time *);
  55. int rtc_set (struct rtc_time *);
  56. void rtc_reset (void);
  57. void GregorianDay (struct rtc_time *);
  58. void to_tm (int, struct rtc_time *);
  59. unsigned long mktime (unsigned int, unsigned int, unsigned int,
  60. unsigned int, unsigned int, unsigned int);
  61. #endif /* _RTC_H_ */