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/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Gordon W. Ross
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: clock_subr.h,v 1.7 2000/10/03 13:41:07 tsutsui Exp $
*
* $FreeBSD$
*/
#ifndef _SYS_CLOCK_H_
#define _SYS_CLOCK_H_
/*
* Structure to hold the values typically reported by time-of-day clocks.
* This can be passed to the generic conversion functions to be converted
* to a struct timespec.
*/
struct clocktime {
int year; /* year - 1900 */
int mon; /* month (1 - 12) */
int day; /* day (1 - 31) */
int hour; /* hour (0 - 23) */
int min; /* minute (0 - 59) */
int sec; /* second (0 - 59) */
int dow; /* day of week (0 - 6; 0 = Sunday) */
long nsec; /* nano seconds */
};
int clock_ct_to_ts(struct clocktime *, struct timespec *);
void clock_ts_to_ct(struct timespec *, struct clocktime *);
void clock_register(device_t, long);
/*
* BCD to decimal and decimal to BCD.
*/
#define FROMBCD(x) (((x) >> 4) * 10 + ((x) & 0xf))
#define TOBCD(x) (((x) / 10 * 16) + ((x) % 10))
/* Some handy constants. */
#define SECDAY (24 * 60 * 60)
#define SECYR (SECDAY * 365)
/* Traditional POSIX base year */
#define POSIX_BASE_YEAR 1970
#endif /* !_SYS_CLOCK_H_ */
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