ds1286.h

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    1 /*
    2  * This file is subject to the terms and conditions of the GNU General Public
    3  * License.  See the file "COPYING" in the main directory of this archive
    4  * for more details.
    5  *
    6  * mc146818rtc.h - register definitions for the Real-Time-Clock / CMOS RAM
    7  * Copyright Torsten Duwe <duwe@informatik.uni-erlangen.de> 1993
    8  * derived from Data Sheet, Copyright Motorola 1984 (!).
    9  * It was written to be part of the Linux operating system.
   10  *
   11  * Copyright (C) 1998, 1999 Ralf Baechle
   12  */
   13 #ifndef _ASM_DS1286_h
   14 #define _ASM_DS1286_h
   15 
   16 #include <asm/mc146818rtc.h>
   17 
   18 /**********************************************************************
   19  * register summary
   20  **********************************************************************/
   21 #define RTC_HUNDREDTH_SECOND    0
   22 #define RTC_SECONDS             1
   23 #define RTC_MINUTES             2
   24 #define RTC_MINUTES_ALARM       3
   25 #define RTC_HOURS               4
   26 #define RTC_HOURS_ALARM         5
   27 #define RTC_DAY                 6
   28 #define RTC_DAY_ALARM           7
   29 #define RTC_DATE                8
   30 #define RTC_MONTH               9
   31 #define RTC_YEAR                10
   32 #define RTC_CMD                 11
   33 #define RTC_WHSEC               12
   34 #define RTC_WSEC                13
   35 #define RTC_UNUSED              14
   36 
   37 /* RTC_*_alarm is always true if 2 MSBs are set */
   38 # define RTC_ALARM_DONT_CARE    0xC0
   39 
   40 
   41 /*
   42  * Bits in the month register
   43  */
   44 #define RTC_EOSC                0x80
   45 #define RTC_ESQW                0x40
   46 
   47 /*
   48  * Bits in the Command register
   49  */
   50 #define RTC_TDF                 0x01
   51 #define RTC_WAF                 0x02
   52 #define RTC_TDM                 0x04
   53 #define RTC_WAM                 0x08
   54 #define RTC_PU_LVL              0x10
   55 #define RTC_IBH_LO              0x20
   56 #define RTC_IPSW                0x40
   57 #define RTC_TE                  0x80
   58 
   59 /*
   60  * Conversion between binary and BCD.
   61  */
   62 #ifndef BCD_TO_BIN
   63 #define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
   64 #endif
   65 
   66 #ifndef BIN_TO_BCD
   67 #define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
   68 #endif
   69 
   70 #endif /* _ASM_DS1286_h */

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FreeBSD/Linux Kernel Cross Reference sys/include/asm-mips64/ds1286.h

FreeBSD/Linux Kernel Cross Reference
sys/include/asm-mips64/ds1286.h