kc.h 1.5 KB

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  1. /*
  2. * PPS kernel consumer API header
  3. *
  4. * Copyright (C) 2009-2010 Alexander Gordeev <lasaine@lvk.cs.msu.su>
  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 as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19. */
  20. #ifndef LINUX_PPS_KC_H
  21. #define LINUX_PPS_KC_H
  22. #include <linux/errno.h>
  23. #include <linux/pps_kernel.h>
  24. #ifdef CONFIG_NTP_PPS
  25. extern int pps_kc_bind(struct pps_device *pps,
  26. struct pps_bind_args *bind_args);
  27. extern void pps_kc_remove(struct pps_device *pps);
  28. extern void pps_kc_event(struct pps_device *pps,
  29. struct pps_event_time *ts, int event);
  30. #else /* CONFIG_NTP_PPS */
  31. static inline int pps_kc_bind(struct pps_device *pps,
  32. struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
  33. static inline void pps_kc_remove(struct pps_device *pps) {}
  34. static inline void pps_kc_event(struct pps_device *pps,
  35. struct pps_event_time *ts, int event) {}
  36. #endif /* CONFIG_NTP_PPS */
  37. #endif /* LINUX_PPS_KC_H */