clock.h revision 120355
1220346Sadrian/* 2220346Sadrian * Kernel interface to machine-dependent clock driver. 3220346Sadrian * Garrett Wollman, September 1994. 4220346Sadrian * This file is in the public domain. 5220346Sadrian * 6220346Sadrian * $FreeBSD: head/sys/amd64/include/clock.h 120355 2003-09-22 23:02:24Z peter $ 7220346Sadrian */ 8220346Sadrian 9220346Sadrian#ifndef _MACHINE_CLOCK_H_ 10220346Sadrian#define _MACHINE_CLOCK_H_ 11220346Sadrian 12220346Sadrian#ifdef _KERNEL 13220346Sadrian/* 14220346Sadrian * i386 to clock driver interface. 15220346Sadrian * XXX large parts of the driver and its interface are misplaced. 16220346Sadrian */ 17220346Sadrianextern int adjkerntz; 18220346Sadrianextern int disable_rtc_set; 19220346Sadrianextern int pscnt; 20220346Sadrianextern int psdiv; 21220346Sadrianextern int statclock_disable; 22220346Sadrianextern u_int timer_freq; 23220346Sadrianextern int timer0_max_count; 24220346Sadrianextern uint64_t tsc_freq; 25220346Sadrianextern int tsc_is_broken; 26220346Sadrianextern int wall_cmos_clock; 27220346Sadrian 28222286Sru/* 29220346Sadrian * Driver to clock driver interface. 30220346Sadrian */ 31220346Sadrianstruct clockframe; 32220346Sadrian 33220346Sadrianint acquire_timer0(int rate, void (*function)(struct clockframe *frame)); 34233515Sjoelint acquire_timer2(int mode); 35220346Sadrianint release_timer0(void); 36220346Sadrianint release_timer2(void); 37220346Sadrianint rtcin(int val); 38220346Sadrianint sysbeep(int pitch, int period); 39220346Sadrianvoid init_TSC(void); 40220346Sadrianvoid init_TSC_tc(void); 41220346Sadrian 42220346Sadrian#endif /* _KERNEL */ 43220346Sadrian 44220346Sadrian#endif /* !_MACHINE_CLOCK_H_ */ 45220346Sadrian