1 /* $NetBSD: ds1743reg.h,v 1.1 2002/12/09 12:16:23 scw Exp $ */ 2 3 /* 4 * Copyright 2001-2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef __DS1501_H__ 39 #define __DS1501_H__ 40 41 /* Dallas Semiconductor DS1501/DS1511 Watchdog RTC */ 42 43 #define DS_SECONDS 0x1ff9 44 #define DS_MINUTES 0x1ffa 45 #define DS_HOURS 0x1ffb 46 #define DS_DAY 0x1ffc 47 #define DS_DATE 0x1ffd 48 #define DS_MONTH 0x1ffe 49 #define DS_YEAR 0x1fff 50 #define DS_CENTURY 0x1ff8 51 52 53 #define DS_CTL_R 0x40 /* R bit in the century register */ 54 #define DS_CTL_W 0x80 /* W bit in the century register */ 55 #define DS_CTL_RW (DS_CTL_R|DS_CTL_W) 56 57 #define DS_CTL_OSC 0x80 /* ~OSC BIT in the seconds register */ 58 59 #define DS_CTL_BF 0x80 /* BF(battery failure) bit in the day register */ 60 #define DS_CTL_FT 0x40 /* FT(frequency test) bit in the day register */ 61 62 #define DS_RAM_SIZE 0x1ff8 63 64 #define DS_SIZE 0x2000 65 66 #endif /* __DS1501_H__ */ 67