root/include/linux/ds1286.h

/*
 * 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 */