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/5.1/sys/i386/include/clock.h 110370 2003-02-05 09:20:40Z 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 */
17 extern int adjkerntz;
18 extern int disable_rtc_set;
19 extern int pscnt;
20 extern int psdiv;
21 extern int statclock_disable;
22 extern u_int timer_freq;
23 extern int timer0_max_count;
24 extern uint64_t tsc_freq;
25 extern int tsc_is_broken;
26 extern int wall_cmos_clock;
27 #ifdef APIC_IO
28 extern int apic_8254_intr;
29 #endif
30
31 /*
32 * Driver to clock driver interface.
33 */
34 struct clockframe;
35
36 int acquire_timer0(int rate, void (*function)(struct clockframe *frame));
37 int acquire_timer2(int mode);
38 int release_timer0(void);
39 int release_timer2(void);
40 #ifndef PC98
41 int rtcin(int val);
42 #else
43 int acquire_timer1(int mode);
44 int release_timer1(void);
45 #endif
46 int sysbeep(int pitch, int period);
47 void timer_restore(void);
48 void init_TSC(void);
49
50 #endif /* _KERNEL */
51
52 #endif /* !_MACHINE_CLOCK_H_ */
Cache object: 259d8dd3fdde446752cceedda94ddc92
|