2 * Kernel interface to machine-dependent clock driver.
3 * Garrett Wollman, September 1994.
4 * This file is in the public domain.
6 * $FreeBSD: src/sys/i386/include/clock.h,v 1.38.2.1 2002/11/02 04:41:50 iwasaki Exp $
7 * $DragonFly: src/sys/i386/include/Attic/clock.h,v 1.7 2006/01/25 19:56:18 dillon Exp $
10 #ifndef _MACHINE_CLOCK_H_
11 #define _MACHINE_CLOCK_H_
15 * i386 to clock driver interface.
16 * XXX large parts of the driver and its interface are misplaced.
19 extern int disable_rtc_set;
20 extern int statclock_disable;
21 extern u_int timer_freq;
22 extern int timer0_max_count;
23 extern int tsc_present;
24 extern u_int tsc_freq;
25 extern int tsc_is_broken;
26 extern int wall_cmos_clock;
28 extern int apic_8254_intr;
32 * Driver to clock driver interface.
36 int acquire_timer2 (int mode);
37 int release_timer2 (void);
38 int sysbeep (int pitch, int period);
39 void timer_restore (void);
43 #endif /* !_MACHINE_CLOCK_H_ */