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ds1286.h
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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 */