clock.h revision 50477
12858Swollman/* 22858Swollman * Kernel interface to machine-dependent clock driver. 32858Swollman * Garrett Wollman, September 1994. 42858Swollman * This file is in the public domain. 512533Swollman * 612533Swollman * $FreeBSD: head/sys/amd64/include/clock.h 50477 1999-08-28 01:08:13Z peter $ 72858Swollman */ 82858Swollman 92858Swollman#ifndef _MACHINE_CLOCK_H_ 104174Sbde#define _MACHINE_CLOCK_H_ 112858Swollman 122858Swollman#ifdef KERNEL 1311452Swollman/* 1411452Swollman * i386 to clock driver interface. 1511452Swollman * XXX large parts of the driver and its interface are misplaced. 1611452Swollman */ 1711452Swollmanextern int adjkerntz; 1811452Swollmanextern int disable_rtc_set; 1911452Swollmanextern int statclock_disable; 2011452Swollmanextern u_int timer_freq; 2111452Swollmanextern int timer0_max_count; 2211452Swollmanextern u_int tsc_freq; 2311452Swollmanextern int tsc_is_broken; 2411452Swollmanextern int wall_cmos_clock; 252858Swollman#ifdef APIC_IO 262858Swollmanextern int apic_8254_intr; 2712533Swollman#endif 2811452Swollman 2911452Swollman/* 3011452Swollman * Driver to clock driver interface. 3111452Swollman */ 322858Swollmanstruct clockframe; 332858Swollman 342858Swollmanvoid DELAY __P((int usec)); 352858Swollmanint acquire_timer0 __P((int rate, 362858Swollman void (*function)(struct clockframe *frame))); 3711452Swollmanint acquire_timer2 __P((int mode)); 382858Swollmanint release_timer0 __P((void)); 392858Swollmanint release_timer2 __P((void)); 402858Swollman#ifndef PC98 4111452Swollmanint rtcin __P((int val)); 422858Swollman#else 432858Swollmanint acquire_timer1 __P((int mode)); 4412533Swollmanint release_timer1 __P((void)); 4512533Swollman#endif 464174Sbdeint sysbeep __P((int pitch, int period)); 474174Sbde 484174Sbde#endif /* KERNEL */ 494174Sbde 504174Sbde#endif /* !_MACHINE_CLOCK_H_ */ 514174Sbde