drivers/pps/kc.h

   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
  21 #ifndef LINUX_PPS_KC_H
  22 #define LINUX_PPS_KC_H
  23
  24 #include <linux/errno.h>
  25 #include <linux/pps_kernel.h>
  26
  27 #ifdef CONFIG_NTP_PPS
  28
  29 extern int pps_kc_bind(struct pps_device *pps,
  30                 struct pps_bind_args *bind_args);
  31 extern void pps_kc_remove(struct pps_device *pps);
  32 extern void pps_kc_event(struct pps_device *pps,
  33                 struct pps_event_time *ts, int event);
  34
  35
  36 #else /* CONFIG_NTP_PPS */
  37
  38 static inline int pps_kc_bind(struct pps_device *pps,
  39                 struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
  40 static inline void pps_kc_remove(struct pps_device *pps) {}
  41 static inline void pps_kc_event(struct pps_device *pps,
  42                 struct pps_event_time *ts, int event) {}
  43
  44 #endif /* CONFIG_NTP_PPS */
  45
  46 #endif /* LINUX_PPS_KC_H */