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drivers/pps/kc.h 1.51 KB
717c03366   Alexander Gordeev   pps: add kernel c...
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  /*
   * PPS kernel consumer API header
   *
   * Copyright (C) 2009-2010   Alexander Gordeev <lasaine@lvk.cs.msu.su>
   *
   *   This program is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU General Public License as published by
   *   the Free Software Foundation; either version 2 of the License, or
   *   (at your option) any later version.
   *
   *   This program is distributed in the hope that it will be useful,
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *   GNU General Public License for more details.
   *
   *   You should have received a copy of the GNU General Public License
   *   along with this program; if not, write to the Free Software
   *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  #ifndef LINUX_PPS_KC_H
  #define LINUX_PPS_KC_H
  
  #include <linux/errno.h>
  #include <linux/pps_kernel.h>
  
  #ifdef CONFIG_NTP_PPS
  
  extern int pps_kc_bind(struct pps_device *pps,
  		struct pps_bind_args *bind_args);
  extern void pps_kc_remove(struct pps_device *pps);
  extern void pps_kc_event(struct pps_device *pps,
  		struct pps_event_time *ts, int event);
  
  
  #else /* CONFIG_NTP_PPS */
  
  static inline int pps_kc_bind(struct pps_device *pps,
  		struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
  static inline void pps_kc_remove(struct pps_device *pps) {}
  static inline void pps_kc_event(struct pps_device *pps,
  		struct pps_event_time *ts, int event) {}
  
  #endif /* CONFIG_NTP_PPS */
  
  #endif /* LINUX_PPS_KC_H */