FreeBSD/Linux Kernel Cross Reference
sys/dev/smbus/x1241reg.h

     /* $NetBSD: x1241reg.h,v 1.1 2002/11/12 01:00:59 simonb 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_X1241REG_H_
    #define _DEV_SMBUS_X1241REG_H_
    
    /*
     * The X1241 appears at two fixed addresses on the SMBus, one each for
     * the EEPROM array and the real time clock.
     */
    #define X1241_ARRAY_SLAVEADDR   0x57
    #define X1241_RTC_SLAVEADDR     0x6f
    
    #define X1241REG_BL             0x10    /* Control register */
    #define X1241REG_SC             0x30    /* Seconds */
    #define X1241REG_MN             0x31    /* Minutes */
    #define X1241REG_HR             0x32    /* Hours */
    #define X1241REG_DT             0x33    /* Day of month */
    #define X1241REG_MO             0x34    /* Month */
    #define X1241REG_YR             0x35    /* Year */
    #define X1241REG_DW             0x36    /* Day of Week */
    #define X1241REG_Y2K            0x37    /* Year 2K */
    #define X1241REG_SR             0x3f    /* Status register */
    
    /* Register bits for the status register */
    #define X1241REG_SR_BAT         0x80    /* currently on battery power */
    #define X1241REG_SR_RWEL        0x04    /* r/w latch is enabled, can write RTC */
    #define X1241REG_SR_WEL         0x02    /* r/w latch is unlocked, can enable r/w now */
    #define X1241REG_SR_RTCF        0x01    /* clock failed */
    
    /* Register bits for the block protect register */
    #define X1241REG_BL_BP2         0x80    /* block protect 2 */
    #define X1241REG_BL_BP1         0x40    /* block protect 1 */
    #define X1241REG_BL_BP0         0x20    /* block protect 0 */
    #define X1241REG_BL_WD1         0x10    /* watchdog timeout 0 */
    #define X1241REG_BL_WD0         0x08    /* watchdog timeout 1 */
    
    /* Register bits for the hours register */
    #define X1241REG_HR_MIL         0x80    /* military time format */
    
    #endif /* _DEV_SMBUS_X1241REG_H_ */

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