freebsd-nq/sys/dev/iicbus/ds1307reg.h

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/*-
* Copyright (c) 2015 Luiz Otavio O Souza <loos@FreeBSD.org>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
/*
* Maxim DS1307 RTC registers.
*/
#ifndef _DS1307REG_H_
#define _DS1307REG_H_
#define DS1307_SECS 0x00
#define DS1307_SECS_MASK 0x7f
#define DS1307_SECS_CH 0x80
#define DS1307_MINS 0x01
#define DS1307_MINS_MASK 0x7f
#define DS1307_HOUR 0x02
#define DS1307_HOUR_MASK 0x3f
#define DS1307_WEEKDAY 0x03
#define DS1307_WEEKDAY_MASK 0x07
#define DS1307_DATE 0x04
#define DS1307_DATE_MASK 0x3f
#define DS1307_MONTH 0x05
#define DS1307_MONTH_MASK 0x1f
#define DS1307_YEAR 0x06
#define DS1307_YEAR_MASK 0xff
#define DS1307_CONTROL 0x07
#define DS1307_CTRL_OUT (1 << 7)
#define MCP7941X_CTRL_SQWE (1 << 6)
#define DS1307_CTRL_SQWE (1 << 4)
#define DS1307_CTRL_RS1 (1 << 1)
#define DS1307_CTRL_RS0 (1 << 0)
#define DS1307_CTRL_RS_MASK (DS1307_CTRL_RS1 | DS1307_CTRL_RS0)
#define DS1307_CTRL_MASK 0x93
#endif /* _DS1307REG_H_ */