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/*-
* Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@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 unmodified, 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.
*/
/* $FreeBSD$ */
#ifndef __PCF2123REG_H__
#define __PCF2123REG_H__
/* Control and status */
#define PCF2123_REG_CTRL1 0x0
#define PCF2123_REG_CTRL2 0x1
/* Time and date */
#define PCF2123_REG_SECONDS 0x2
#define PCF2123_REG_MINUTES 0x3
#define PCF2123_REG_HOURS 0x4
#define PCF2123_REG_DAYS 0x5
#define PCF2123_REG_WEEKDAYS 0x6
#define PCF2123_REG_MONTHS 0x7
#define PCF2123_REG_YEARS 0x8
/* Alarm registers */
#define PCF2123_REG_MINUTE_ALARM 0x9
#define PCF2123_REG_HOUR_ALARM 0xA
#define PCF2123_REG_DAY_ALARM 0xB
#define PCF2123_REG_WEEKDAY_ALARM 0xC
/* Offset */
#define PCF2123_REG_OFFSET 0xD
/* Timer */
#define PCF2123_REG_TIMER_CLKOUT 0xE
#define PCF2123_REG_COUNTDOWN_TIMER 0xF
/* Commands */
#define PCF2123_CMD_READ (1 << 7)
#define PCF2123_CMD_WRITE (0 << 7)
#define PCF2123_READ(reg) (PCF2123_CMD_READ | (1 << 4) | (reg))
#define PCF2123_WRITE(reg) (PCF2123_CMD_WRITE | (1 << 4) | (reg))
#endif /* __PCF2123REG_H__ */
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