ubuntu-linux-kernel/include/linux/rtc/ds1286.h

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2024-04-01 15:06:58 +00:00
/*
* Copyright (C) 1998, 1999, 2003 Ralf Baechle
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __LINUX_DS1286_H
#define __LINUX_DS1286_H
/**********************************************************************
* register summary
**********************************************************************/
#define RTC_HUNDREDTH_SECOND 0
#define RTC_SECONDS 1
#define RTC_MINUTES 2
#define RTC_MINUTES_ALARM 3
#define RTC_HOURS 4
#define RTC_HOURS_ALARM 5
#define RTC_DAY 6
#define RTC_DAY_ALARM 7
#define RTC_DATE 8
#define RTC_MONTH 9
#define RTC_YEAR 10
#define RTC_CMD 11
#define RTC_WHSEC 12
#define RTC_WSEC 13
#define RTC_UNUSED 14
/* RTC_*_alarm is always true if 2 MSBs are set */
# define RTC_ALARM_DONT_CARE 0xC0
/*
* Bits in the month register
*/
#define RTC_EOSC 0x80
#define RTC_ESQW 0x40
/*
* Bits in the Command register
*/
#define RTC_TDF 0x01
#define RTC_WAF 0x02
#define RTC_TDM 0x04
#define RTC_WAM 0x08
#define RTC_PU_LVL 0x10
#define RTC_IBH_LO 0x20
#define RTC_IPSW 0x40
#define RTC_TE 0x80
#endif /* __LINUX_DS1286_H */