clock.h revision 162954 
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 162954 2006-10-02 12:59:59Z phk $
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	clkintr_pending;
18extern int	pscnt;
19extern int	psdiv;
20extern int	statclock_disable;
21extern u_int	timer_freq;
22extern int	timer0_max_count;
23extern uint64_t	tsc_freq;
24extern int	tsc_is_broken;
25extern struct mtx clock_lock;
26
27/*
28 * Driver to clock driver interface.
29 */
30
31int	acquire_timer2(int mode);
32int	release_timer2(void);
33int	rtcin(int val);
34int	sysbeep(int pitch, int period);
35void	init_TSC(void);
36void	init_TSC_tc(void);
37
38#endif /* _KERNEL */
39
40#endif /* !_MACHINE_CLOCK_H_ */
41