linux/include/linux/ds1286.h
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   1/*
   2 * Copyright (C) 1998, 1999, 2003 Ralf Baechle
   3 *
   4 * This file is subject to the terms and conditions of the GNU General Public
   5 * License.  See the file "COPYING" in the main directory of this archive
   6 * for more details.
   7 */
   8#ifndef __LINUX_DS1286_H
   9#define __LINUX_DS1286_H
  10
  11/**********************************************************************
  12 * register summary
  13 **********************************************************************/
  14#define RTC_HUNDREDTH_SECOND    0
  15#define RTC_SECONDS             1
  16#define RTC_MINUTES             2
  17#define RTC_MINUTES_ALARM       3
  18#define RTC_HOURS               4
  19#define RTC_HOURS_ALARM         5
  20#define RTC_DAY                 6
  21#define RTC_DAY_ALARM           7
  22#define RTC_DATE                8
  23#define RTC_MONTH               9
  24#define RTC_YEAR                10
  25#define RTC_CMD                 11
  26#define RTC_WHSEC               12
  27#define RTC_WSEC                13
  28#define RTC_UNUSED              14
  29
  30/* RTC_*_alarm is always true if 2 MSBs are set */
  31# define RTC_ALARM_DONT_CARE    0xC0
  32
  33
  34/*
  35 * Bits in the month register
  36 */
  37#define RTC_EOSC                0x80
  38#define RTC_ESQW                0x40
  39
  40/*
  41 * Bits in the Command register
  42 */
  43#define RTC_TDF                 0x01
  44#define RTC_WAF                 0x02
  45#define RTC_TDM                 0x04
  46#define RTC_WAM                 0x08
  47#define RTC_PU_LVL              0x10
  48#define RTC_IBH_LO              0x20
  49#define RTC_IPSW                0x40
  50#define RTC_TE                  0x80
  51
  52#endif /* __LINUX_DS1286_H */
  53
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