Lines Matching +full:duration +full:- +full:us

21  *	Added defines for hybrid phase/frequency-lock loop.
25  *	defines for PPS phase-lock loop.
45  *	ntp_gettime - NTP user application interface
56  *	ntp_adjtime - NTP daemon application interface
76  * phase-lock loop (PLL) model used in the kernel implementation. These
105  * possible without overflow of a 32-bit word.
108  * which serves as a an extension to the low-order bits of the system
119  * FINEUSEC is 1 us in SHIFT_UPDATE units of the time_phase variable.
124 #define FINEUSEC (1L << SHIFT_SCALE) /* 1 us in phase units */
157 #define MAXPHASE 512000L	/* max phase error (us) */
160 #define MAXTIME (200L << PPS_AVG) /* max PPS error (jitter) (200 us) */
169  * The following defines are used only if a pulse-per-second (PPS)
172  * asynch driver. They establish the design parameters of the frequency-
189 #define PPS_SHIFT 2		/* min interval duration (s) (shift) */
190 #define PPS_SHIFTMAX 8		/* max interval duration (s) (shift) */
216 #define STA_FLL		0x0008	/* select frequency-lock mode (rw) */
231     STA_PPSERROR | STA_CLOCKERR) /* read-only bits */
244  * NTP user interface (ntp_gettime()) - used to read kernel clock values
251 	long maxerror;		/* maximum error (us) (ro) */
252 	long esterror;		/* estimated error (us) (ro) */
256  * NTP daemon interface - (ntp_adjtime()) used to discipline CPU clock
261 	long offset;		/* time offset (us) (rw) */
263 	long maxerror;		/* maximum error (us) (rw) */
264 	long esterror;		/* estimated error (us) (rw) */
267 	long precision;		/* clock precision (us) (ro) */
271 	 * The following read-only structure members are implemented
276 	long jitter;		/* pps jitter (us) (ro) */
277 	int shift;		/* interval duration (s) (shift) (ro) */