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/*****************************************************************************
* *
* Copyright (c) David L. Mills 1993 *
* *
* Permission to use, copy, modify, and distribute this software and its *
* documentation for any purpose and without fee is hereby granted, provided *
* that the above copyright notice appears in all copies and that both the *
* copyright notice and this permission notice appear in supporting *
* documentation, and that the name University of Delaware not be used in *
* advertising or publicity pertaining to distribution of the software *
* without specific, written prior permission. The University of Delaware *
* makes no representations about the suitability this software for any *
* purpose. It is provided "as is" without express or implied warranty. *
* *
*****************************************************************************/
#ifndef _LINUX_TIMEX_H
#define _LINUX_TIMEX_H
#include <linux/time.h>
#define NTP_API 4
struct timex {
unsigned int modes;
long offset;
long freq;
long maxerror;
long esterror;
int status;
long constant;
long precision;
long tolerance;
struct timeval time;
long tick;
long ppsfreq;
long jitter;
int shift;
long stabil;
long jitcnt;
long calcnt;
long errcnt;
long stbcnt;
int tai;
int :32; int :32; int :32; int :32;
int :32; int :32; int :32; int :32;
int :32; int :32; int :32;
};
#define ADJ_OFFSET 0x0001
#define ADJ_FREQUENCY 0x0002
#define ADJ_MAXERROR 0x0004
#define ADJ_ESTERROR 0x0008
#define ADJ_STATUS 0x0010
#define ADJ_TIMECONST 0x0020
#define ADJ_TAI 0x0080
#define ADJ_SETOFFSET 0x0100
#define ADJ_MICRO 0x1000
#define ADJ_NANO 0x2000
#define ADJ_TICK 0x4000
#ifdef __KERNEL__
#define ADJ_ADJTIME 0x8000
#define ADJ_OFFSET_SINGLESHOT 0x0001
#define ADJ_OFFSET_READONLY 0x2000
#else
#define ADJ_OFFSET_SINGLESHOT 0x8001
#define ADJ_OFFSET_SS_READ 0xa001
#endif
#define MOD_OFFSET ADJ_OFFSET
#define MOD_FREQUENCY ADJ_FREQUENCY
#define MOD_MAXERROR ADJ_MAXERROR
#define MOD_ESTERROR ADJ_ESTERROR
#define MOD_STATUS ADJ_STATUS
#define MOD_TIMECONST ADJ_TIMECONST
#define MOD_TAI ADJ_TAI
#define MOD_MICRO ADJ_MICRO
#define MOD_NANO ADJ_NANO
#define STA_PLL 0x0001
#define STA_PPSFREQ 0x0002
#define STA_PPSTIME 0x0004
#define STA_FLL 0x0008
#define STA_INS 0x0010
#define STA_DEL 0x0020
#define STA_UNSYNC 0x0040
#define STA_FREQHOLD 0x0080
#define STA_PPSSIGNAL 0x0100
#define STA_PPSJITTER 0x0200
#define STA_PPSWANDER 0x0400
#define STA_PPSERROR 0x0800
#define STA_CLOCKERR 0x1000
#define STA_NANO 0x2000
#define STA_MODE 0x4000
#define STA_CLK 0x8000
#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \
STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK)
#define TIME_OK 0
#define TIME_INS 1
#define TIME_DEL 2
#define TIME_OOP 3
#define TIME_WAIT 4
#define TIME_ERROR 5
#define TIME_BAD TIME_ERROR
#ifdef __KERNEL__
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/param.h>
#include <asm/timex.h>
#define SHIFT_PLL 2
#define SHIFT_FLL 2
#define MAXTC 10
#define SHIFT_USEC 16
#define PPM_SCALE ((s64)NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
#define PPM_SCALE_INV_SHIFT 19
#define PPM_SCALE_INV ((1LL << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \
PPM_SCALE + 1)
#define MAXPHASE 500000000L
#define MAXFREQ 500000
#define MAXFREQ_SCALED ((s64)MAXFREQ << NTP_SCALE_SHIFT)
#define MINSEC 256
#define MAXSEC 2048
#define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5)
extern unsigned long tick_usec;
extern unsigned long tick_nsec;
extern void ntp_init(void);
extern void ntp_clear(void);
#define shift_right(x, s) ({ \
__typeof__(x) __x = (x); \
__typeof__(s) __s = (s); \
__x < 0 ? -(-__x >> __s) : __x >> __s; \
})
#define NTP_SCALE_SHIFT 32
#define NTP_INTERVAL_FREQ (HZ)
#define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ)
extern u64 ntp_tick_length(void);
extern int second_overflow(unsigned long secs);
extern int do_adjtimex(struct timex *);
extern void hardpps(const struct timespec *, const struct timespec *);
int read_current_timer(unsigned long *timer_val);
#define PIT_TICK_RATE 1193182ul
#endif
#endif
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