/*      $NetBSD: ds1743reg.h,v 1.1 2002/12/09 12:16:23 scw Exp $        */

/*
* Copyright 2001-2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed for the NetBSD Project by
*      Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
*    or promote products derived from this software without specific prior
*    written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 __DS1501_H__
#define __DS1501_H__

/* Dallas Semiconductor DS1501/DS1511 Watchdog RTC */

#define DS_SECONDS      0x1ff9
#define DS_MINUTES      0x1ffa
#define DS_HOURS        0x1ffb
#define DS_DAY          0x1ffc
#define DS_DATE         0x1ffd
#define DS_MONTH        0x1ffe
#define DS_YEAR         0x1fff
#define DS_CENTURY      0x1ff8


#define DS_CTL_R        0x40    /* R bit in the century register */
#define DS_CTL_W        0x80    /* W bit in the century register */
#define DS_CTL_RW       (DS_CTL_R|DS_CTL_W)

#define DS_CTL_OSC      0x80    /* ~OSC BIT in the seconds register */

#define DS_CTL_BF       0x80    /* BF(battery failure) bit in the day register */
#define DS_CTL_FT       0x40    /* FT(frequency test) bit in the day register */

#define DS_RAM_SIZE     0x1ff8

#define DS_SIZE         0x2000

#endif /* __DS1501_H__ */