Contents of /tags/mkinitrd-6_1_3/busybox/include/rtc_.h
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Mon May 4 18:51:23 2009 UTC (15 years, 4 months ago) by niro
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File size: 2501 byte(s)
Mon May 4 18:51:23 2009 UTC (15 years, 4 months ago) by niro
File MIME type: text/plain
File size: 2501 byte(s)
tagged 'mkinitrd-6_1_3'
1 | /* |
2 | * Common defines/structures/etc... for applets that need to work with the RTC. |
3 | * |
4 | * Licensed under the GPL-2 or later. |
5 | */ |
6 | |
7 | #ifndef BB_RTC_H |
8 | #define BB_RTC_H |
9 | |
10 | #include "libbb.h" |
11 | |
12 | #if __GNUC_PREREQ(4,1) |
13 | # pragma GCC visibility push(hidden) |
14 | #endif |
15 | |
16 | extern int rtc_adjtime_is_utc(void) FAST_FUNC; |
17 | extern int rtc_xopen(const char **default_rtc, int flags) FAST_FUNC; |
18 | extern time_t rtc_read_time(int fd, int utc) FAST_FUNC; |
19 | |
20 | /* |
21 | * Everything below this point has been copied from linux/rtc.h |
22 | * to eliminate the kernel header dependency |
23 | */ |
24 | |
25 | struct linux_rtc_time { |
26 | int tm_sec; |
27 | int tm_min; |
28 | int tm_hour; |
29 | int tm_mday; |
30 | int tm_mon; |
31 | int tm_year; |
32 | int tm_wday; |
33 | int tm_yday; |
34 | int tm_isdst; |
35 | }; |
36 | |
37 | struct linux_rtc_wkalrm { |
38 | unsigned char enabled; /* 0 = alarm disabled, 1 = alarm enabled */ |
39 | unsigned char pending; /* 0 = alarm not pending, 1 = alarm pending */ |
40 | struct linux_rtc_time time; /* time the alarm is set to */ |
41 | }; |
42 | |
43 | /* |
44 | * ioctl calls that are permitted to the /dev/rtc interface, if |
45 | * any of the RTC drivers are enabled. |
46 | */ |
47 | |
48 | #define RTC_AIE_ON _IO('p', 0x01) /* Alarm int. enable on */ |
49 | #define RTC_AIE_OFF _IO('p', 0x02) /* ... off */ |
50 | #define RTC_UIE_ON _IO('p', 0x03) /* Update int. enable on */ |
51 | #define RTC_UIE_OFF _IO('p', 0x04) /* ... off */ |
52 | #define RTC_PIE_ON _IO('p', 0x05) /* Periodic int. enable on */ |
53 | #define RTC_PIE_OFF _IO('p', 0x06) /* ... off */ |
54 | #define RTC_WIE_ON _IO('p', 0x0f) /* Watchdog int. enable on */ |
55 | #define RTC_WIE_OFF _IO('p', 0x10) /* ... off */ |
56 | |
57 | #define RTC_ALM_SET _IOW('p', 0x07, struct linux_rtc_time) /* Set alarm time */ |
58 | #define RTC_ALM_READ _IOR('p', 0x08, struct linux_rtc_time) /* Read alarm time */ |
59 | #define RTC_RD_TIME _IOR('p', 0x09, struct linux_rtc_time) /* Read RTC time */ |
60 | #define RTC_SET_TIME _IOW('p', 0x0a, struct linux_rtc_time) /* Set RTC time */ |
61 | #define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long) /* Read IRQ rate */ |
62 | #define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long) /* Set IRQ rate */ |
63 | #define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long) /* Read epoch */ |
64 | #define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long) /* Set epoch */ |
65 | |
66 | #define RTC_WKALM_SET _IOW('p', 0x0f, struct linux_rtc_wkalrm)/* Set wakeup alarm*/ |
67 | #define RTC_WKALM_RD _IOR('p', 0x10, struct linux_rtc_wkalrm)/* Get wakeup alarm*/ |
68 | |
69 | /* interrupt flags */ |
70 | #define RTC_IRQF 0x80 /* any of the following is active */ |
71 | #define RTC_PF 0x40 |
72 | #define RTC_AF 0x20 |
73 | #define RTC_UF 0x10 |
74 | |
75 | #if __GNUC_PREREQ(4,1) |
76 | # pragma GCC visibility pop |
77 | #endif |
78 | |
79 | #endif |