From 717c033669ed3ceaee8df57d4562fafcc1a6267a Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Wed, 12 Jan 2011 17:00:58 -0800 Subject: pps: add kernel consumer support Add an optional feature of PPSAPI, kernel consumer support, which uses the added hardpps() function. Signed-off-by: Alexander Gordeev Acked-by: Rodolfo Giometti Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/pps/kc.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 drivers/pps/kc.h (limited to 'drivers/pps/kc.h') diff --git a/drivers/pps/kc.h b/drivers/pps/kc.h new file mode 100644 index 00000000000..d296fcd0a17 --- /dev/null +++ b/drivers/pps/kc.h @@ -0,0 +1,46 @@ +/* + * PPS kernel consumer API header + * + * Copyright (C) 2009-2010 Alexander Gordeev + * + * 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 +#include + +#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 */ -- cgit v1.2.3-70-g09d2