clock.h revision 139731 
1/*-
2 * Kernel interface to machine-dependent clock driver.
3 * Garrett Wollman, September 1994.
4 * This file is in the public domain.
5 *
6 * $FreeBSD: head/sys/amd64/include/clock.h 139731 2005-01-05 20:17:21Z imp $
7 */
8
9#ifndef _MACHINE_CLOCK_H_
10#define	_MACHINE_CLOCK_H_
11
12#ifdef _KERNEL
13/*
14 * i386 to clock driver interface.
15 * XXX large parts of the driver and its interface are misplaced.
16 */
17extern int	adjkerntz;
18extern int	clkintr_pending;
19extern int	disable_rtc_set;
20extern int	pscnt;
21extern int	psdiv;
22extern int	statclock_disable;
23extern u_int	timer_freq;
24extern int	timer0_max_count;
25extern uint64_t	tsc_freq;
26extern int	tsc_is_broken;
27extern int	wall_cmos_clock;
28
29/*
30 * Driver to clock driver interface.
31 */
32struct clockframe;
33
34int	acquire_timer2(int mode);
35int	release_timer2(void);
36int	rtcin(int val);
37int	sysbeep(int pitch, int period);
38void	init_TSC(void);
39void	init_TSC_tc(void);
40
41#endif /* _KERNEL */
42
43#endif /* !_MACHINE_CLOCK_H_ */
44