1da673940SJordan Gordeev /* 2da673940SJordan Gordeev * Kernel interface to machine-dependent clock driver. 3da673940SJordan Gordeev * Garrett Wollman, September 1994. 4da673940SJordan Gordeev * This file is in the public domain. 5da673940SJordan Gordeev * 6da673940SJordan Gordeev * $FreeBSD: src/sys/i386/include/clock.h,v 1.38.2.1 2002/11/02 04:41:50 iwasaki Exp $ 7da673940SJordan Gordeev */ 8da673940SJordan Gordeev 9da673940SJordan Gordeev #ifndef _MACHINE_CLOCK_H_ 10da673940SJordan Gordeev #define _MACHINE_CLOCK_H_ 11da673940SJordan Gordeev 12da673940SJordan Gordeev #ifdef _KERNEL 13da673940SJordan Gordeev 14da673940SJordan Gordeev #ifndef _SYS_TYPES_H_ 15da673940SJordan Gordeev #include <sys/types.h> 16da673940SJordan Gordeev #endif 17da673940SJordan Gordeev 18da673940SJordan Gordeev /* 19da673940SJordan Gordeev * i386 to clock driver interface. 20da673940SJordan Gordeev * XXX large parts of the driver and its interface are misplaced. 21da673940SJordan Gordeev */ 22da673940SJordan Gordeev extern int adjkerntz; 23da673940SJordan Gordeev extern int disable_rtc_set; 24da673940SJordan Gordeev extern u_int timer_freq; 25da673940SJordan Gordeev extern int timer0_max_count; 26da673940SJordan Gordeev extern int tsc_present; 27*5a81b19fSSepherosa Ziehau extern int tsc_invariant; 28da673940SJordan Gordeev extern int64_t tsc_frequency; 29da673940SJordan Gordeev extern int tsc_is_broken; 30da673940SJordan Gordeev extern int wall_cmos_clock; 31da673940SJordan Gordeev extern int apic_8254_intr; 32da673940SJordan Gordeev 33da673940SJordan Gordeev /* 34da673940SJordan Gordeev * Driver to clock driver interface. 35da673940SJordan Gordeev */ 36da673940SJordan Gordeev 37da673940SJordan Gordeev int rtcin (int val); 38da673940SJordan Gordeev int acquire_timer2 (int mode); 39da673940SJordan Gordeev int release_timer2 (void); 40da673940SJordan Gordeev int sysbeep (int pitch, int period); 41da673940SJordan Gordeev void timer_restore (void); 42da673940SJordan Gordeev 43da673940SJordan Gordeev #endif /* _KERNEL */ 44da673940SJordan Gordeev 45da673940SJordan Gordeev #endif /* !_MACHINE_CLOCK_H_ */ 46