include/linux/ds1286.h

   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 */