116 lines
3.9 KiB
C
116 lines
3.9 KiB
C
/* $NetBSD: timepps.h,v 1.1 1998/06/10 08:18:58 jonathan Exp $ */
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/*
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* Copyright (c) 1998 Jonathan Stone
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Jonathan Stone for
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* the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_TIMEPPS_H_
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#define _SYS_TIMEPPS_H_
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#include <sys/ioccom.h>
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typedef int32_t pps_handle_t;
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typedef u_int32_t pps_seq_t;
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typedef union pps_timeu {
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struct timespec tspec;
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struct { /* NTP long fixed-point format */
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unsigned int integral;
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unsigned int fractional;
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} ntplfp;
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unsigned long longpair[2];
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} pps_timeu_t;
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#define assert_timestamp assert_tu.tspec
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#define clear_timestamp clear_tu.tspec
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typedef struct {
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pps_seq_t assert_sequence; /* assert event seq # */
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pps_seq_t clear_sequence; /* clear event seq # */
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pps_timeu_t assert_tu;
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pps_timeu_t clear_tu;
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int current_mode; /* current mode bits */
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} pps_info_t;
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typedef struct {
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int mode; /* mode bits */
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pps_timeu_t assert_off_tu;
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pps_timeu_t clear_off_tu;
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} pps_params_t;
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#define assert_offset assert_off_tu.tspec
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#define clear_offset clear_off_tu.tspec
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struct pps_wait_args {
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struct timespec timeout;
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pps_info_t pps_info_buf;
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};
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#define PPS_CAPTUREASSERT 0x01
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#define PPS_CAPTURECLEAR 0x02
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#define PPS_CAPTUREBOTH 0x03
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#define PPS_HARDPPSONASSERT 0x04
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#define PPS_HARDPPSONCLEAR 0x08
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#define PPS_OFFSETASSERT 0x10
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#define PPS_OFFSETCLEAR 0x20
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#define PPS_ECHOASSERT 0x40
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#define PPS_ECHOCLEAR 0x80
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#define PPS_CANWAIT 0x100
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#define PPS_TSFMT_TSPEC 0x1000
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#define PPS_TSFMT_NTPLFP 0x2000
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#define PPS_CREATE _IO('1', 1)
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#define PPS_DESTROY _IO('1', 2)
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#define PPS_SETPARAMS _IOW('1', 3, pps_params_t)
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#define PPS_GETPARAMS _IOR('1', 4, pps_params_t)
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#define PPS_GETCAP _IOR('1', 5, int)
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#define PPS_FETCH _IOWR('1', 6, pps_info_t)
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#define PPS_WAIT _IOWR('1', 6, struct pps_wait_args)
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#ifndef _KERNEL
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int time_pps_create __P((int filedes, pps_handle_t *handle));
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int time_pps_destroy __P((pps_handle_t handle));
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int time_pps_setparams __P((pps_handle_t handle,
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const pps_params_t *ppsparams));
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int time_pps_getparams __P((pps_handle_t handle, pps_params_t *ppsparams));
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int time_pps_getcap __P((pps_handle_t handle, int *mode));
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int time_pps_fetch __P((pps_handle_t handle, pps_info_t *ppsinfobuf));
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int time_pps_wait __P((pps_handle_t handle, const struct timespec *timeout,
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pps_info_t *ppsinfobuf));
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#endif /* !_KERNEL*/
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#endif /* SYS_TIMEPPS_H_ */
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