NetBSD/sys/dev/i2c/m41st84reg.h

95 lines
4.1 KiB
C

/* $NetBSD: m41st84reg.h,v 1.3 2005/12/11 12:21:22 christos Exp $ */
/*
* Copyright (c) 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe 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_I2C_M41ST84REG_H_
#define _DEV_I2C_M41ST84REG_H_
#define M41ST84_ADDR 0x68
#define M41ST84_REG_CSEC 0 /* 00-99 -- BCD Centiseconds */
#define M41ST84_REG_SEC 1 /* 00-59 -- BCD Seconds */
#define M41ST84_REG_MIN 2 /* 00-59 -- BCD Minutes */
#define M41ST84_REG_CENHR 3 /* 0-1/00-23 -- BCD Century/Hour */
#define M41ST84_REG_DAY 4 /* 01-07 -- BCD Day */
#define M41ST84_REG_DATE 5 /* 01-31 -- BCD Date */
#define M41ST84_REG_MONTH 6 /* 01-12 -- BCD Month */
#define M41ST84_REG_YEAR 7 /* 00-99 -- BCD Year */
#define M41ST84_REG_DATE_BYTES 8
#define M41ST84_REG_CONTROL 8 /* Control Register */
#define M41ST84_REG_WATCHDOG 9 /* Watchdog Register */
#define M41ST84_REG_AL_MONTH 10 /* 01-12 -- BCD Month */
#define M41ST84_REG_AL_DATE 11 /* 01-31 -- BCD Date */
#define M41ST84_REG_AL_HOUR 12 /* 00-23 -- BCD Hour */
#define M41ST84_REG_AL_MIN 13 /* 00-59 -- BCD Minutes */
#define M41ST84_REG_AL_SEC 14 /* 00-59 -- BCD Seconds */
#define M41ST84_REG_FLAGS 15 /* Flags Register */
/* 16-18 reserved */
#define M41ST84_REG_SQW 19 /* Square Wave Register */
#define M41ST84_USER_RAM 20
#define M41ST84_USER_RAM_SIZE 43
#define M41ST84_SEC_MASK 0x7f
#define M41ST84_MIN_MASK 0x7f
#define M41ST84_HOUR_MASK 0x3f
#define M41ST84_DAY_MASK 0x07
#define M41ST84_DATE_MASK 0x3f
#define M41ST84_MONTH_MASK 0x1f
#define M41ST84_YEAR_MASK 0xff
#define M41ST84_SEC_ST 0x80 /* clock stop bit */
#define M41ST84_CONTROL_CALIB_MASK 0x1f
#define M41ST84_CONTROL_S 0x20 /* sign bit */
#define M41ST84_CONTROL_FT 0x40 /* Frequency test bit */
#define M41ST84_CONTROL_OUT 0x80 /* Output level */
#define M41ST84_WATCHDOG_RB_MASK 0x03 /* Watchdog resulotion bits */
#define M41ST84_WATCHDOG_BMB_MASK 0x7c /* Watchdog multiplier bits */
#define M41ST84_WATCHDOG_WDS 0x80 /* Watchdog steering bit */
#define M41ST84_AL_MONTH_ABE 0x20 /* alarm in b-backup mode en */
#define M41ST84_AL_MONTH_SQWE 0x40 /* square wave enable */
#define M41ST84_AL_MONTH_AFE 0x80 /* alarm flage enable */
#define M41ST84_AL_HOUR_HT 0x40 /* Halt Update Bit */
#define M41ST84_FLAGS_BL 0x10 /* battery low flag */
#define M41ST84_FLAGS_AF 0x40 /* alarm flag */
#define M41ST84_FLAGS_WDF 0x80 /* watchdog flag */
#endif /* _DEV_I2C_M41ST84REG_H_ */