sys/dev/smbus/x1241reg.h

   1 /* $NetBSD$ */
   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_ */