76 lines
3.2 KiB
C
76 lines
3.2 KiB
C
/* $NetBSD: x1241reg.h,v 1.1 2002/11/12 01:00:59 simonb Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Simon Burge for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_SMBUS_X1241REG_H_
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#define _DEV_SMBUS_X1241REG_H_
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/*
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* The X1241 appears at two fixed addresses on the SMBus, one each for
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* the EEPROM array and the real time clock.
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*/
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#define X1241_ARRAY_SLAVEADDR 0x57
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#define X1241_RTC_SLAVEADDR 0x6f
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#define X1241REG_BL 0x10 /* Control register */
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#define X1241REG_SC 0x30 /* Seconds */
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#define X1241REG_MN 0x31 /* Minutes */
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#define X1241REG_HR 0x32 /* Hours */
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#define X1241REG_DT 0x33 /* Day of month */
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#define X1241REG_MO 0x34 /* Month */
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#define X1241REG_YR 0x35 /* Year */
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#define X1241REG_DW 0x36 /* Day of Week */
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#define X1241REG_Y2K 0x37 /* Year 2K */
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#define X1241REG_SR 0x3f /* Status register */
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/* Register bits for the status register */
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#define X1241REG_SR_BAT 0x80 /* currently on battery power */
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#define X1241REG_SR_RWEL 0x04 /* r/w latch is enabled, can write RTC */
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#define X1241REG_SR_WEL 0x02 /* r/w latch is unlocked, can enable r/w now */
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#define X1241REG_SR_RTCF 0x01 /* clock failed */
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/* Register bits for the block protect register */
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#define X1241REG_BL_BP2 0x80 /* block protect 2 */
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#define X1241REG_BL_BP1 0x40 /* block protect 1 */
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#define X1241REG_BL_BP0 0x20 /* block protect 0 */
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#define X1241REG_BL_WD1 0x10 /* watchdog timeout 0 */
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#define X1241REG_BL_WD0 0x08 /* watchdog timeout 1 */
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/* Register bits for the hours register */
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#define X1241REG_HR_MIL 0x80 /* military time format */
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#endif /* _DEV_SMBUS_X1241REG_H_ */
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