From 6b160e490d4d77596c1603d34d0a1ca0579a82da Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 15 Feb 2008 02:27:19 +0000 Subject: split some rtc funcs out of hwclock and into an rtc header/lib so that the new rtcwake applet as well as hwclock can utilize the same code --- include/applets.h | 1 + include/rtc_.h | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ include/usage.h | 23 ++++++++++++++++++ 3 files changed, 97 insertions(+) create mode 100644 include/rtc_.h (limited to 'include') diff --git a/include/applets.h b/include/applets.h index b14c20528..90b6e703d 100644 --- a/include/applets.h +++ b/include/applets.h @@ -293,6 +293,7 @@ USE_RMMOD(APPLET(rmmod, _BB_DIR_SBIN, _BB_SUID_NEVER)) USE_ROUTE(APPLET(route, _BB_DIR_SBIN, _BB_SUID_NEVER)) USE_RPM(APPLET(rpm, _BB_DIR_BIN, _BB_SUID_NEVER)) USE_RPM2CPIO(APPLET(rpm2cpio, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) +USE_RTCWAKE(APPLET(rtcwake, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) USE_RUN_PARTS(APPLET_ODDNAME(run-parts, run_parts, _BB_DIR_BIN, _BB_SUID_NEVER, run_parts)) USE_RUNCON(APPLET(runcon, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) USE_RUNLEVEL(APPLET(runlevel, _BB_DIR_SBIN, _BB_SUID_NEVER)) diff --git a/include/rtc_.h b/include/rtc_.h new file mode 100644 index 000000000..50b60dd29 --- /dev/null +++ b/include/rtc_.h @@ -0,0 +1,73 @@ +/* + * Common defines/structures/etc... for applets that need to work with the RTC. + * + * Licensed under the GPL-2 or later. + */ + +#ifndef _BB_RTC_H_ +#define _BB_RTC_H_ + +#include "libbb.h" + +extern int rtc_adjtime_is_utc(void); +extern int rtc_xopen(const char *default_rtc, int flags); +extern time_t rtc_read_time(int fd, int utc); + + + +/* + * 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 + +#endif diff --git a/include/usage.h b/include/usage.h index 51a92126c..71e1d125f 100644 --- a/include/usage.h +++ b/include/usage.h @@ -3070,6 +3070,29 @@ USE_FEATURE_BRCTL_FANCY("\n" \ #define rpm2cpio_full_usage \ "Output a cpio archive of the rpm file" +#define rtcwake_trivial_usage \ + "[-a | -l | -u] [-d DEV] [-m MODE] [-s SECS | -t TIME]" +#define rtcwake_full_usage \ + "enter a system sleep state until specified wakeup time\n\n" \ + USE_GETOPT_LONG( \ + " -a,--auto Read clock mode from adjtime\n" \ + " -l,--local Clock is set to local time\n" \ + " -u,--utc Clock is set to UTC time\n" \ + " -d,--device=DEV Specify the RTC device\n" \ + " -m,--mode=MODE Set the sleep state (default: standby)\n" \ + " -s,--seconds=SEC Set the timeout in SEC seconds from now\n" \ + " -t,--time=TIME Set the timeout to TIME seconds from epoch" \ + ) \ + SKIP_GETOPT_LONG( \ + " -a Read clock mode from adjtime\n" \ + " -l Clock is set to local time\n" \ + " -u Clock is set to UTC time\n" \ + " -d DEV Specify the RTC device\n" \ + " -m MODE Set the sleep state (default: standby)\n" \ + " -s SEC Set the timeout in SEC seconds from now\n" \ + " -t TIME Set the timeout to TIME seconds from epoch" \ + ) + #define runcon_trivial_usage \ "[-c] [-u USER] [-r ROLE] [-t TYPE] [-l RANGE] COMMAND [args]\n" \ " runcon CONTEXT COMMAND [args]" -- cgit v1.2.3