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
pps_kc_bind(struct pps_device * pps,struct pps_bind_args * bind_args)38 static inline int pps_kc_bind(struct pps_device *pps,
39 struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
pps_kc_remove(struct pps_device * pps)40 static inline void pps_kc_remove(struct pps_device *pps) {}
pps_kc_event(struct pps_device * pps,struct pps_event_time * ts,int event)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