xref: /OK3568_Linux_fs/kernel/drivers/pps/kc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * PPS kernel consumer API header
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2009-2010   Alexander Gordeev <lasaine@lvk.cs.msu.su>
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef LINUX_PPS_KC_H
9*4882a593Smuzhiyun #define LINUX_PPS_KC_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/errno.h>
12*4882a593Smuzhiyun #include <linux/pps_kernel.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #ifdef CONFIG_NTP_PPS
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun extern int pps_kc_bind(struct pps_device *pps,
17*4882a593Smuzhiyun 		struct pps_bind_args *bind_args);
18*4882a593Smuzhiyun extern void pps_kc_remove(struct pps_device *pps);
19*4882a593Smuzhiyun extern void pps_kc_event(struct pps_device *pps,
20*4882a593Smuzhiyun 		struct pps_event_time *ts, int event);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #else /* CONFIG_NTP_PPS */
24*4882a593Smuzhiyun 
pps_kc_bind(struct pps_device * pps,struct pps_bind_args * bind_args)25*4882a593Smuzhiyun static inline int pps_kc_bind(struct pps_device *pps,
26*4882a593Smuzhiyun 		struct pps_bind_args *bind_args) { return -EOPNOTSUPP; }
pps_kc_remove(struct pps_device * pps)27*4882a593Smuzhiyun static inline void pps_kc_remove(struct pps_device *pps) {}
pps_kc_event(struct pps_device * pps,struct pps_event_time * ts,int event)28*4882a593Smuzhiyun static inline void pps_kc_event(struct pps_device *pps,
29*4882a593Smuzhiyun 		struct pps_event_time *ts, int event) {}
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #endif /* CONFIG_NTP_PPS */
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #endif /* LINUX_PPS_KC_H */
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