| Alexander Gordeev | 717c033 | 2011-01-12 17:00:58 -0800 | [diff] [blame] | 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 */ |