tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _DS1216_H
2#define _DS1216_H
3
4extern volatile unsigned char *ds1216_base;
5unsigned long ds1216_get_cmos_time(void);
6int ds1216_set_rtc_mmss(unsigned long nowtime);
7
8#define DS1216_SEC_BYTE 1
9#define DS1216_MIN_BYTE 2
10#define DS1216_HOUR_BYTE 3
11#define DS1216_HOUR_MASK (0x1f)
12#define DS1216_AMPM_MASK (1<<5)
13#define DS1216_1224_MASK (1<<7)
14#define DS1216_DAY_BYTE 4
15#define DS1216_DAY_MASK (0x7)
16#define DS1216_DATE_BYTE 5
17#define DS1216_DATE_MASK (0x3f)
18#define DS1216_MONTH_BYTE 6
19#define DS1216_MONTH_MASK (0x1f)
20#define DS1216_YEAR_BYTE 7
21
22#define DS1216_SEC(buf) (buf[DS1216_SEC_BYTE])
23#define DS1216_MIN(buf) (buf[DS1216_MIN_BYTE])
24#define DS1216_HOUR(buf) (buf[DS1216_HOUR_BYTE] & DS1216_HOUR_MASK)
25#define DS1216_AMPM(buf) (buf[DS1216_HOUR_BYTE] & DS1216_AMPM_MASK)
26#define DS1216_1224(buf) (buf[DS1216_HOUR_BYTE] & DS1216_1224_MASK)
27#define DS1216_DATE(buf) (buf[DS1216_DATE_BYTE] & DS1216_DATE_MASK)
28#define DS1216_MONTH(buf) (buf[DS1216_MONTH_BYTE] & DS1216_MONTH_MASK)
29#define DS1216_YEAR(buf) (buf[DS1216_YEAR_BYTE])
30
31#endif