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/i386/include/clock.h 67158 2000-10-15 09:51:49Z phk $
7 */
8
9#ifndef _MACHINE_CLOCK_H_
10#define _MACHINE_CLOCK_H_
11
12#ifdef _KERNEL
13/*
14 * i386 to clock driver interface.

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26extern int apic_8254_intr;
27#endif
28
29/*
30 * Driver to clock driver interface.
31 */
32struct clockframe;
33
34int acquire_timer0 __P((int rate,
35 void (*function)(struct clockframe *frame)));
36int acquire_timer2 __P((int mode));
37int release_timer0 __P((void));
38int release_timer2 __P((void));
39#ifndef PC98
40int rtcin __P((int val));
41#else
42int acquire_timer1 __P((int mode));
43int release_timer1 __P((void));
44#endif
45int sysbeep __P((int pitch, int period));
46void i8254_restore __P((void));
47
48#endif /* _KERNEL */
49
50#endif /* !_MACHINE_CLOCK_H_ */