/* $NetBSD: m41t81reg.h,v 1.4 2005/12/11 12:23:56 christos Exp $ */ /* * Copyright 2002 Wasabi Systems, Inc. * All rights reserved. * * Written by Simon Burge 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 _DEV_SMBUS_M41T81REG_H_ #define _DEV_SMBUS_M41T81REG_H_ /* The M41T81 appears at a fixed addresses on the SMBus */ #define M41T81_SLAVEADDR 0x68 #define M41T81_PARTSEC 0x00 /* Partial seconds (0.01s resolution) - BCD */ #define M41T81_SEC 0x01 /* Seconds - BCD */ #define M41T81_SEC_ST 0x80 /* Stop Bit */ #define M41T81_MIN 0x02 /* Minutes - BCD */ #define M41T81_HOUR 0x03 /* Century/Hours - BCD */ #define M41T81_HOUR_MASK 0x3f /* Mask for hours */ #define M41T81_HOUR_CB 0x40 /* Century Bit */ #define M41T81_HOUR_CEB 0x80 /* Century Enable Bit */ #define M41T81_DAY 0x04 /* Day of Week */ #define M41T81_DATE 0x05 /* Date: Day of Month - BCD */ #define M41T81_MON 0x06 /* Month - BCD */ #define M41T81_YEAR 0x07 /* Year - BCD */ #define M41T81_CTL 0x08 /* Control */ #define M41T81_CTL_CAL 0x1f /* Calibration mask */ #define M41T81_CTL_S 0x20 /* Sign Bit */ #define M41T81_CTL_FT 0x40 /* Frequency Test Bit */ #define M41T81_CTL_OUT 0x80 /* Output Level */ #define M41T81_WDOG 0x09 /* Watchdog */ #define M41T81_WDOG_RB 0x03 /* Watchdog Resolution */ #define M41T81_WDOG_RB_1_16 0x00 /* 1/16th second */ #define M41T81_WDOG_RB_1_4 0x01 /* 1/4th second */ #define M41T81_WDOG_RB_1 0x02 /* 1 second */ #define M41T81_WDOG_RB_4 0x03 /* 4 seconds */ #define M41T81_WDOG_BMB_SHIFT 2 /* Watchdog Multiplier */ #define M41T81_WDOG_BMB_MASK 0x7c #define M41T81_ALM_MON 0x0a /* Alarm Month - BCD */ #define M41T81_ALM_MON_ABE 0x20 /* Alarm in Battery Back-up Mode Enable Bit */ #define M41T81_ALM_MON_SQWE 0x40 /* Square Wave Enable */ #define M41T81_ALM_MON_AFE 0x80 /* Alarm Flag Enable Flag */ #define M41T81_ALM_DATE 0x0b /* Alarm Date - BCD */ #define M41T81_ALM_DATE_RPT5 0x40 /* Alarm Repeat Mode Bit 5 */ #define M41T81_ALM_DATE_RPT4 0x80 /* Alarm Repeat Mode Bit 4 */ #define M41T81_ALM_HOUR 0x0c /* Alarm Hour - BCD */ #define M41T81_ALM_HOUR_HT 0x40 /* Half Update Bit */ #define M41T81_ALM_HOUR_RPT3 0x80 /* Alarm Repeat Mode Bit 3 */ #define M41T81_ALM_MIN 0x0d /* Alarm Minutes - BCD */ #define M41T81_ALM_MIN_RPT2 0x80 /* Alarm Repeat Mode Bit 2 */ #define M41T81_ALM_SEC 0x0e /* Alarm Seconds - BCD */ #define M41T81_ALM_SEC_RPT1 0x80 /* Alarm Repeat Mode Bit 1 */ #define M41T81_FLAGS 0x0f #define M41T81_SQW 0x13 /* Square Wave Frequency */ #define M41T81_SQW_RS_SHIFT 4 /* SQW Frequency */ #define M41T81_SQW_RS_MASK 0x0f /* For a non-zero value 'v', the square wave frequency is 2^(16-v) Hz */ #endif /* _DEV_SMBUS_M41T81REG_H_ */
