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/*
* PPS API header
*
* Copyright (C) 2005-2009 Rodolfo Giometti <giometti@linux.it>
*
* 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 _PPS_H_
#define _PPS_H_
#include <linux/types.h>
#define PPS_VERSION "5.3.6"
#define PPS_MAX_SOURCES 16
#define PPS_API_VERS_1 1
#define PPS_API_VERS PPS_API_VERS_1
#define PPS_MAX_NAME_LEN 32
struct pps_ktime {
__s64 sec;
__s32 nsec;
__u32 flags;
};
#define PPS_TIME_INVALID (1<<0)
struct pps_kinfo {
__u32 assert_sequence;
__u32 clear_sequence;
struct pps_ktime assert_tu;
struct pps_ktime clear_tu;
int current_mode;
};
struct pps_kparams {
int api_version;
int mode;
struct pps_ktime assert_off_tu;
struct pps_ktime clear_off_tu;
};
#define PPS_CAPTUREASSERT 0x01
#define PPS_CAPTURECLEAR 0x02
#define PPS_CAPTUREBOTH 0x03
#define PPS_OFFSETASSERT 0x10
#define PPS_OFFSETCLEAR 0x20
#define PPS_CANWAIT 0x100
#define PPS_CANPOLL 0x200
#define PPS_ECHOASSERT 0x40
#define PPS_ECHOCLEAR 0x80
#define PPS_TSFMT_TSPEC 0x1000
#define PPS_TSFMT_NTPFP 0x2000
#define PPS_KC_HARDPPS 0
#define PPS_KC_HARDPPS_PLL 1
#define PPS_KC_HARDPPS_FLL 2
struct pps_fdata {
struct pps_kinfo info;
struct pps_ktime timeout;
};
struct pps_bind_args {
int tsformat;
int edge;
int consumer;
};
#include <linux/ioctl.h>
#define PPS_GETPARAMS _IOR('p', 0xa1, struct pps_kparams *)
#define PPS_SETPARAMS _IOW('p', 0xa2, struct pps_kparams *)
#define PPS_GETCAP _IOR('p', 0xa3, int *)
#define PPS_FETCH _IOWR('p', 0xa4, struct pps_fdata *)
#define PPS_KC_BIND _IOW('p', 0xa5, struct pps_bind_args *)
#endif
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