diff options
| author | Alexander Gordeev <lasaine@lvk.cs.msu.su> | 2011-01-12 17:00:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 08:03:21 -0800 |
| commit | 717c033669ed3ceaee8df57d4562fafcc1a6267a (patch) | |
| tree | 892e922c08b5f5eee8fbe7c8e0fdc774db660c67 /drivers/pps/kc.h | |
| parent | e2c18e49a0d4f822ffc29fb4958943beb1ff08b7 (diff) | |
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 <lasaine@lvk.cs.msu.su>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/pps/kc.h')
| -rw-r--r-- | drivers/pps/kc.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/pps/kc.h b/drivers/pps/kc.h new file mode 100644 index 000000000000..d296fcd0a175 --- /dev/null +++ b/drivers/pps/kc.h @@ -0,0 +1,46 @@ +/* + * PPS kernel consumer API header + * + * Copyright (C) 2009-2010 Alexander Gordeev <lasaine@lvk.cs.msu.su> + * + * 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 <linux/errno.h> +#include <linux/pps_kernel.h> + +#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 */ |