Linux Kernel  3.7.1
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kc.h
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1 /*
2  * PPS kernel consumer API header
3  *
4  * Copyright (C) 2009-2010 Alexander Gordeev <[email protected]>
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 */