ds1286.h

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/*
 * 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 */