X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Flinux%2Ftimex.h;h=34d3ccff7bbb384d8adc407af0d45966288f20e3;hb=c71bd6944eb1458b7887af1783101f5a46140c40;hp=04a4a8cb4ed37ab150b6575b3ae9f9268967e5e7;hpb=c1d962035d49565d8c7a2d97519012ccb861778a;p=linux-2.6-omap-h63xx.git diff --git a/include/linux/timex.h b/include/linux/timex.h index 04a4a8cb4ed..34d3ccff7bb 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -53,7 +53,6 @@ #ifndef _LINUX_TIMEX_H #define _LINUX_TIMEX_H -#include #include #include @@ -97,37 +96,10 @@ #define MAXPHASE 512000L /* max phase error (us) */ #define MAXFREQ (512L << SHIFT_USEC) /* max frequency error (ppm) */ -#define MAXTIME (200L << PPS_AVG) /* max PPS error (jitter) (200 us) */ #define MINSEC 16L /* min interval between updates (s) */ #define MAXSEC 1200L /* max interval between updates (s) */ #define NTP_PHASE_LIMIT (MAXPHASE << 5) /* beyond max. dispersion */ -/* - * The following defines are used only if a pulse-per-second (PPS) - * signal is available and connected via a modem control lead, such as - * produced by the optional ppsclock feature incorporated in the Sun - * asynch driver. They establish the design parameters of the frequency- - * lock loop used to discipline the CPU clock oscillator to the PPS - * signal. - * - * PPS_AVG is the averaging factor for the frequency loop, as well as - * the time and frequency dispersion. - * - * PPS_SHIFT and PPS_SHIFTMAX specify the minimum and maximum - * calibration intervals, respectively, in seconds as a power of two. - * - * PPS_VALID is the maximum interval before the PPS signal is considered - * invalid and protocol updates used directly instead. - * - * MAXGLITCH is the maximum interval before a time offset of more than - * MAXTIME is believed. - */ -#define PPS_AVG 2 /* pps averaging constant (shift) */ -#define PPS_SHIFT 2 /* min interval duration (s) (shift) */ -#define PPS_SHIFTMAX 8 /* max interval duration (s) (shift) */ -#define PPS_VALID 120 /* pps signal watchdog max (s) */ -#define MAXGLITCH 30 /* pps signal glitch max (s) */ - /* * syscall interface - used (mainly by NTP daemon) * to discipline kernel clock oscillator @@ -246,20 +218,6 @@ extern long time_reftime; /* time at last adjustment (s) */ extern long time_adjust; /* The amount of adjtime left */ extern long time_next_adjust; /* Value for time_adjust at next tick */ -/* interface variables pps->timer interrupt */ -extern long pps_offset; /* pps time offset (us) */ -extern long pps_jitter; /* time dispersion (jitter) (us) */ -extern long pps_freq; /* frequency offset (scaled ppm) */ -extern long pps_stabil; /* frequency dispersion (scaled ppm) */ -extern long pps_valid; /* pps signal watchdog counter */ - -/* interface variables pps->adjtimex */ -extern int pps_shift; /* interval duration (s) (shift) */ -extern long pps_jitcnt; /* jitter limit exceeded */ -extern long pps_calcnt; /* calibration intervals */ -extern long pps_errcnt; /* calibration errors */ -extern long pps_stbcnt; /* stability limit exceeded */ - /** * ntp_clear - Clears the NTP state variables * @@ -345,6 +303,11 @@ time_interpolator_reset(void) #endif /* !CONFIG_TIME_INTERPOLATION */ +/* Returns how long ticks are at present, in ns / 2^(SHIFT_SCALE-10). */ +extern u64 current_tick_length(void); + +extern int do_adjtimex(struct timex *); + #endif /* KERNEL */ #endif /* LINUX_TIMEX_H */