1/* $NetBSD: m41st84reg.h,v 1.2.4.3 2004/09/21 13:27:46 skrll Exp $ */ 2 3/* 4 * Copyright (c) 2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe 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 _DEV_I2C_M41ST84REG_H_ 39#define _DEV_I2C_M41ST84REG_H_ 40 41#define M41ST84_ADDR 0x68 42 43#define M41ST84_REG_CSEC 0 /* 00-99 -- BCD Centiseconds */ 44#define M41ST84_REG_SEC 1 /* 00-59 -- BCD Seconds */ 45#define M41ST84_REG_MIN 2 /* 00-59 -- BCD Minutes */ 46#define M41ST84_REG_CENHR 3 /* 0-1/00-23 -- BCD Century/Hour */ 47#define M41ST84_REG_DAY 4 /* 01-07 -- BCD Day */ 48#define M41ST84_REG_DATE 5 /* 01-31 -- BCD Date */ 49#define M41ST84_REG_MONTH 6 /* 01-12 -- BCD Month */ 50#define M41ST84_REG_YEAR 7 /* 00-99 -- BCD Year */ 51#define M41ST84_REG_DATE_BYTES 8 52#define M41ST84_REG_CONTROL 8 /* Control Register */ 53#define M41ST84_REG_WATCHDOG 9 /* Watchdog Register */ 54#define M41ST84_REG_AL_MONTH 10 /* 01-12 -- BCD Month */ 55#define M41ST84_REG_AL_DATE 11 /* 01-31 -- BCD Date */ 56#define M41ST84_REG_AL_HOUR 12 /* 00-23 -- BCD Hour */ 57#define M41ST84_REG_AL_MIN 13 /* 00-59 -- BCD Minutes */ 58#define M41ST84_REG_AL_SEC 14 /* 00-59 -- BCD Seconds */ 59#define M41ST84_REG_FLAGS 15 /* Flags Register */ 60 /* 16-18 reserved */ 61#define M41ST84_REG_SQW 19 /* Square Wave Register */ 62#define M41ST84_USER_RAM 20 63#define M41ST84_USER_RAM_SIZE 43 64 65#define M41ST84_SEC_MASK 0x7f 66#define M41ST84_MIN_MASK 0x7f 67#define M41ST84_HOUR_MASK 0x3f 68#define M41ST84_DAY_MASK 0x07 69#define M41ST84_DATE_MASK 0x3f 70#define M41ST84_MONTH_MASK 0x1f 71#define M41ST84_YEAR_MASK 0xff 72 73#define M41ST84_SEC_ST 0x80 /* clock stop bit */ 74 75#define M41ST84_CONTROL_CALIB_MASK 0x1f 76#define M41ST84_CONTROL_S 0x20 /* sign bit */ 77#define M41ST84_CONTROL_FT 0x40 /* Frequency test bit */ 78#define M41ST84_CONTROL_OUT 0x80 /* Output level */ 79 80#define M41ST84_WATCHDOG_RB_MASK 0x03 /* Watchdog resulotion bits */ 81#define M41ST84_WATCHDOG_BMB_MASK 0x7c /* Watchdog multiplier bits */ 82#define M41ST84_WATCHDOG_WDS 0x80 /* Watchdog steering bit */ 83 84#define M41ST84_AL_MONTH_ABE 0x20 /* alarm in b-backup mode en */ 85#define M41ST84_AL_MONTH_SQWE 0x40 /* square wave enable */ 86#define M41ST84_AL_MONTH_AFE 0x80 /* alarm flage enable */ 87 88#define M41ST84_AL_HOUR_HT 0x40 /* Halt Update Bit */ 89 90#define M41ST84_FLAGS_BL 0x10 /* battery low flag */ 91#define M41ST84_FLAGS_AF 0x40 /* alarm flag */ 92#define M41ST84_FLAGS_WDF 0x80 /* watchdog flag */ 93 94#endif /* _DEV_I2C_M41ST84REG_H_ */ 95