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 */ 47