mirror of
https://github.com/sheumann/hush.git
synced 2024-11-16 18:12:41 +00:00
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
|
|
* Common defines/structures/etc... for applets that need to work with the RTC.
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
|
|
#ifndef BB_RTC_H
|
|
#define BB_RTC_H 1
|
|
|
|
#include "libbb.h"
|
|
|
|
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
|
|
|
|
int rtc_adjtime_is_utc(void) FAST_FUNC;
|
|
int rtc_xopen(const char **default_rtc, int flags) FAST_FUNC;
|
|
void rtc_read_tm(struct tm *ptm, int fd) FAST_FUNC;
|
|
time_t rtc_tm2time(struct tm *ptm, int utc) FAST_FUNC;
|
|
|
|
|
|
/*
|
|
* Everything below this point has been copied from linux/rtc.h
|
|
* to eliminate the kernel header dependency
|
|
*/
|
|
|
|
struct linux_rtc_time {
|
|
int tm_sec;
|
|
int tm_min;
|
|
int tm_hour;
|
|
int tm_mday;
|
|
int tm_mon;
|
|
int tm_year;
|
|
int tm_wday;
|
|
int tm_yday;
|
|
int tm_isdst;
|
|
};
|
|
|
|
struct linux_rtc_wkalrm {
|
|
unsigned char enabled; /* 0 = alarm disabled, 1 = alarm enabled */
|
|
unsigned char pending; /* 0 = alarm not pending, 1 = alarm pending */
|
|
struct linux_rtc_time time; /* time the alarm is set to */
|
|
};
|
|
|
|
/*
|
|
* ioctl calls that are permitted to the /dev/rtc interface, if
|
|
* any of the RTC drivers are enabled.
|
|
*/
|
|
#define RTC_AIE_ON _IO('p', 0x01) /* Alarm int. enable on */
|
|
#define RTC_AIE_OFF _IO('p', 0x02) /* ... off */
|
|
#define RTC_UIE_ON _IO('p', 0x03) /* Update int. enable on */
|
|
#define RTC_UIE_OFF _IO('p', 0x04) /* ... off */
|
|
#define RTC_PIE_ON _IO('p', 0x05) /* Periodic int. enable on */
|
|
#define RTC_PIE_OFF _IO('p', 0x06) /* ... off */
|
|
#define RTC_WIE_ON _IO('p', 0x0f) /* Watchdog int. enable on */
|
|
#define RTC_WIE_OFF _IO('p', 0x10) /* ... off */
|
|
|
|
#define RTC_ALM_SET _IOW('p', 0x07, struct linux_rtc_time) /* Set alarm time */
|
|
#define RTC_ALM_READ _IOR('p', 0x08, struct linux_rtc_time) /* Read alarm time */
|
|
#define RTC_RD_TIME _IOR('p', 0x09, struct linux_rtc_time) /* Read RTC time */
|
|
#define RTC_SET_TIME _IOW('p', 0x0a, struct linux_rtc_time) /* Set RTC time */
|
|
#define RTC_IRQP_READ _IOR('p', 0x0b, unsigned long) /* Read IRQ rate */
|
|
#define RTC_IRQP_SET _IOW('p', 0x0c, unsigned long) /* Set IRQ rate */
|
|
#define RTC_EPOCH_READ _IOR('p', 0x0d, unsigned long) /* Read epoch */
|
|
#define RTC_EPOCH_SET _IOW('p', 0x0e, unsigned long) /* Set epoch */
|
|
|
|
#define RTC_WKALM_SET _IOW('p', 0x0f, struct linux_rtc_wkalrm)/* Set wakeup alarm*/
|
|
#define RTC_WKALM_RD _IOR('p', 0x10, struct linux_rtc_wkalrm)/* Get wakeup alarm*/
|
|
|
|
/* interrupt flags */
|
|
#define RTC_IRQF 0x80 /* any of the following is active */
|
|
#define RTC_PF 0x40
|
|
#define RTC_AF 0x20
|
|
#define RTC_UF 0x10
|
|
|
|
POP_SAVED_FUNCTION_VISIBILITY
|
|
|
|
#endif
|