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7#ifndef BB_RTC_H
8#define BB_RTC_H 1
9
10#include "libbb.h"
11
12PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
13
14#if ENABLE_FEATURE_HWCLOCK_ADJTIME_FHS
15# define ADJTIME_PATH "/var/lib/hwclock/adjtime"
16#else
17# define ADJTIME_PATH "/etc/adjtime"
18#endif
19
20int rtc_adjtime_is_utc(void) FAST_FUNC;
21int rtc_xopen(const char **default_rtc, int flags) FAST_FUNC;
22void rtc_read_tm(struct tm *ptm, int fd) FAST_FUNC;
23time_t rtc_tm2time(struct tm *ptm, int utc) FAST_FUNC;
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30
31struct linux_rtc_time {
32 int tm_sec;
33 int tm_min;
34 int tm_hour;
35 int tm_mday;
36 int tm_mon;
37 int tm_year;
38 int tm_wday;
39 int tm_yday;
40 int tm_isdst;
41};
42
43struct linux_rtc_wkalrm {
44 unsigned char enabled;
45 unsigned char pending;
46 struct linux_rtc_time time;
47};
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52
53#define RTC_AIE_ON _IO('p', 0x01)
54#define RTC_AIE_OFF _IO('p', 0x02)
55#define RTC_UIE_ON _IO('p', 0x03)
56#define RTC_UIE_OFF _IO('p', 0x04)
57#define RTC_PIE_ON _IO('p', 0x05)
58#define RTC_PIE_OFF _IO('p', 0x06)
59#define RTC_WIE_ON _IO('p', 0x0f)
60#define RTC_WIE_OFF _IO('p', 0x10)
61
62#define RTC_ALM_SET _IOW('p', 0x07, struct linux_rtc_time)
63#define RTC_ALM_READ _IOR('p', 0x08, struct linux_rtc_time)
64#define RTC_RD_TIME _IOR('p', 0x09, struct linux_rtc_time)
65#define RTC_SET_TIME _IOW('p', 0x0a, struct linux_rtc_time)
66#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long)
67#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long)
68#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long)
69#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long)
70
71#define RTC_WKALM_SET _IOW('p', 0x0f, struct linux_rtc_wkalrm)
72#define RTC_WKALM_RD _IOR('p', 0x10, struct linux_rtc_wkalrm)
73
74
75#define RTC_IRQF 0x80
76#define RTC_PF 0x40
77#define RTC_AF 0x20
78#define RTC_UF 0x10
79
80POP_SAVED_FUNCTION_VISIBILITY
81
82#endif
83