1996-03-15 02:10:59 +03:00
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/* $NetBSD: rtc.h,v 1.2 1996/03/14 23:11:43 mark Exp $ */
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1996-02-01 02:14:53 +03:00
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/*
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* Copyright (c) 1994 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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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 Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* rtc.h
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*
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* Header file for RTC / CMOS stuff
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*
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* Created : 13/10/94
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*
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* Based of kate/display/iiccontrol.c
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*/
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/* IIC addresses for RTC chip */
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#define RTC_Write 160
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#define RTC_Read 161
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typedef struct {
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u_char rtc_micro;
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u_char rtc_centi;
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u_char rtc_sec;
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u_char rtc_min;
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u_char rtc_hour;
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u_char rtc_day;
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u_char rtc_mon;
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u_char rtc_year;
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u_char rtc_cen;
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} rtc_t;
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#define RTC_ADDR_BOOTOPTS 0x90
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#define RTC_ADDR_REBOOTCNT 0x91
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#define RTC_ADDR_YEAR 0xc0
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#define RTC_ADDR_CENT 0xc1
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int iic_control __P((u_char, u_char *, int));
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int cmos_read __P((int));
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int cmos_write __P((int, int));
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int rtc_read __P((rtc_t *));
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int rtc_write __P((rtc_t *));
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/* End of rtc.h */
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