/*      $NetBSD: rs5c372reg.h,v 1.3 2012/01/21 19:44:30 nonaka Exp $    */

/*-
 * Copyright (C) 2005 NONAKA Kimihiro <nonaka@netbsd.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 ``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 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.
 */

#ifndef _DEV_I2C_RS5C372REG_H_
#define _DEV_I2C_RS5C372REG_H_

/*
 * RS5C372[AB] Real-Time Clock
 */

#define RS5C372_ADDR            0x32    /* Fixed I2C Slave Address */

#define RS5C372_SECONDS         0
#define RS5C372_MINUTES         1
#define RS5C372_HOURS           2
#define RS5C372_DAY             3
#define RS5C372_DATE            4
#define RS5C372_MONTH           5
#define RS5C372_YEAR            6
#define RS5C372_CLOCK_CORRECT   7
#define RS5C372_ALARMA_MIN      8
#define RS5C372_ALARMA_HOUR     9
#define RS5C372_ALARMA_DATE     10
#define RS5C372_ALARMB_MIN      11
#define RS5C372_ALARMB_HOUR     12
#define RS5C372_ALARMB_DATE     13
#define RS5C372_CONTROL1        14
#define RS5C372_CONTROL2        15
#define RS5C372_NREGS           16
#define RS5C372_NRTC_REGS       7

/*
 * Bit definitions.
 */
#define RS5C372_SECONDS_MASK    0x7f
#define RS5C372_MINUTES_MASK    0x7f
#define RS5C372_HOURS_12HRS_PM  (1u << 5)       /* If 12 hr mode, set = PM */
#define RS5C372_HOURS_12MASK    0x1f
#define RS5C372_HOURS_24MASK    0x3f
#define RS5C372_DAY_MASK        0x07
#define RS5C372_DATE_MASK       0x3f
#define RS5C372_MONTH_MASK      0x1f
#define RS5C372_CONTROL2_24HRS  (1u << 5)
#define RS5C372_CONTROL2_XSTP   (1u << 4)       /* read */
#define RS5C372_CONTROL2_ADJ    (1u << 4)       /* write */
#define RS5C372_CONTROL2_NCLEN  (1u << 3)
#define RS5C372_CONTROL2_CTFG   (1u << 2)
#define RS5C372_CONTROL2_AAFG   (1u << 1)
#define RS5C372_CONTROL2_BAFG   (1u << 0)

#endif /* _DEV_I2C_RS5C372REG_H_ */