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: releng/5.0/sys/i386/include/clock.h 92761 2002-03-20 05:48:58Z alfred $
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 */
17 extern int adjkerntz;
18 extern int disable_rtc_set;
19 extern int statclock_disable;
20 extern u_int timer_freq;
21 extern int timer0_max_count;
22 extern u_int tsc_freq;
23 extern int tsc_is_broken;
24 extern int wall_cmos_clock;
25 #ifdef APIC_IO
26 extern int apic_8254_intr;
27 #endif
28
29 /*
30 * Driver to clock driver interface.
31 */
32 struct clockframe;
33
34 int acquire_timer0(int rate, void (*function)(struct clockframe *frame));
35 int acquire_timer2(int mode);
36 int release_timer0(void);
37 int release_timer2(void);
38 #ifndef PC98
39 int rtcin(int val);
40 #else
41 int acquire_timer1(int mode);
42 int release_timer1(void);
43 #endif
44 int sysbeep(int pitch, int period);
45 void timer_restore(void);
46
47 #endif /* _KERNEL */
48
49 #endif /* !_MACHINE_CLOCK_H_ */
Cache object: 00469f4029715089f77e7722c68758e6
|