1 /* $NetBSD: x1241reg.h,v 1.1 2002/11/12 01:00:59 simonb Exp $ */ 2 3 /* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge 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_SMBUS_X1241REG_H_ 39 #define _DEV_SMBUS_X1241REG_H_ 40 41 /* 42 * The X1241 appears at two fixed addresses on the SMBus, one each for 43 * the EEPROM array and the real time clock. 44 */ 45 #define X1241_ARRAY_SLAVEADDR 0x57 46 #define X1241_RTC_SLAVEADDR 0x6f 47 48 #define X1241REG_BL 0x10 /* Control register */ 49 #define X1241REG_SC 0x30 /* Seconds */ 50 #define X1241REG_MN 0x31 /* Minutes */ 51 #define X1241REG_HR 0x32 /* Hours */ 52 #define X1241REG_DT 0x33 /* Day of month */ 53 #define X1241REG_MO 0x34 /* Month */ 54 #define X1241REG_YR 0x35 /* Year */ 55 #define X1241REG_DW 0x36 /* Day of Week */ 56 #define X1241REG_Y2K 0x37 /* Year 2K */ 57 #define X1241REG_SR 0x3f /* Status register */ 58 59 /* Register bits for the status register */ 60 #define X1241REG_SR_BAT 0x80 /* currently on battery power */ 61 #define X1241REG_SR_RWEL 0x04 /* r/w latch is enabled, can write RTC */ 62 #define X1241REG_SR_WEL 0x02 /* r/w latch is unlocked, can enable r/w now */ 63 #define X1241REG_SR_RTCF 0x01 /* clock failed */ 64 65 /* Register bits for the block protect register */ 66 #define X1241REG_BL_BP2 0x80 /* block protect 2 */ 67 #define X1241REG_BL_BP1 0x40 /* block protect 1 */ 68 #define X1241REG_BL_BP0 0x20 /* block protect 0 */ 69 #define X1241REG_BL_WD1 0x10 /* watchdog timeout 0 */ 70 #define X1241REG_BL_WD0 0x08 /* watchdog timeout 1 */ 71 72 /* Register bits for the hours register */ 73 #define X1241REG_HR_MIL 0x80 /* military time format */ 74 75 #endif /* _DEV_SMBUS_X1241REG_H_ */ 76