1994-10-26 05:01:24 +03:00
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/* $NetBSD: rtc.h,v 1.2 1994/10/26 02:04:32 cgd Exp $ */
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1994-05-08 09:52:54 +04:00
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/*
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* Copyright (c) 1994 Christian E. Hopps
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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 Christian E. Hopps.
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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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* information on A2000 clock from Harald Backert.
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* information on A3000 clock from Holger Emden.
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*/
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#ifndef _RTCVAR_H_
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#define _RTCVAR_H_
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struct rtclock2000 {
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u_int :28, second2:4; /* lower digit */
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u_int :28, second1:4; /* upper digit */
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u_int :28, minute2:4; /* lower digit */
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u_int :28, minute1:4; /* upper digit */
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u_int :28, hour2:4; /* lower digit */
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u_int :28, hour1:4; /* upper digit */
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u_int :28, day2:4; /* lower digit */
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u_int :28, day1:4; /* upper digit */
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u_int :28, month2:4; /* lower digit */
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u_int :28, month1:4; /* upper digit */
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u_int :28, year2:4; /* lower digit */
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u_int :28, year1:4; /* upper digit */
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u_int :28, week:4; /* week */
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u_int :28, control1:4; /* control-byte 1 */
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u_int :28, control2:4; /* control-byte 2 */
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u_int :28, control3:4; /* control-byte 3 */
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};
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/*
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* commands written to control1, HOLD before reading the clock,
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* FREE after done reading.
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*/
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#define A2CONTROL1_HOLD (1<<0)
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#define A2CONTROL1_BUSY (1<<1)
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#define A2CONTROL3_24HMODE (1<<2)
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#define A2HOUR1_PM (1<<2)
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struct rtclock3000 {
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u_int :28, second2:4; /* 0x03 lower digit */
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u_int :28, second1:4; /* 0x07 upper digit */
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u_int :28, minute2:4; /* 0x0b lower digit */
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u_int :28, minute1:4; /* 0x0f upper digit */
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u_int :28, hour2:4; /* 0x13 lower digit */
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u_int :28, hour1:4; /* 0x17 upper digit */
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u_int :28, weekday:4; /* 0x1b */
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u_int :28, day2:4; /* 0x1f lower digit */
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u_int :28, day1:4; /* 0x23 upper digit */
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u_int :28, month2:4; /* 0x27 lower digit */
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u_int :28, month1:4; /* 0x2b upper digit */
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u_int :28, year2:4; /* 0x2f lower digit */
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u_int :28, year1:4; /* 0x33 upper digit */
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u_int :28, control1:4; /* 0x37 control-byte 1 */
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u_int :28, control2:4; /* 0x3b control-byte 2 */
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u_int :28, control3:4; /* 0x3f control-byte 3 */
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};
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#define A3CONTROL1_HOLD_CLOCK 0
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#define A3CONTROL1_FREE_CLOCK 9
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#define A3BBC_SET_REG 0xe0
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#define A3BBC_WRITE_REG 0xc2
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#define A3BBC_READ_REG 0xc3
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#define A3NUM_BBC_REGS 12
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#define FEBRUARY 2
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#define STARTOFTIME 1970
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#define SECDAY 86400L
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#define SECYR (SECDAY * 365)
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#define leapyear(y) (((y)%4)==0 && ((y)%100)!=0 || ((y)%400) == 0)
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#define range_test(n, l, h) ((n) < (l) || (n) > (h))
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#define days_in_year(a) (leapyear(a) ? 366 : 365)
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#define days_in_month(a) (month_days[(a) - 1])
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#endif /* _RTCVAR_H_ */
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