clock.h revision 55205
12858Swollman/* 22858Swollman * Kernel interface to machine-dependent clock driver. 32858Swollman * Garrett Wollman, September 1994. 42858Swollman * This file is in the public domain. 512533Swollman * 650477Speter * $FreeBSD: head/sys/amd64/include/clock.h 55205 1999-12-29 04:46:21Z peter $ 72858Swollman */ 82858Swollman 92858Swollman#ifndef _MACHINE_CLOCK_H_ 104174Sbde#define _MACHINE_CLOCK_H_ 112858Swollman 1255205Speter#ifdef _KERNEL 134174Sbde/* 144174Sbde * i386 to clock driver interface. 1533809Sbde * XXX large parts of the driver and its interface are misplaced. 164174Sbde */ 174174Sbdeextern int adjkerntz; 184174Sbdeextern int disable_rtc_set; 1932052Sphkextern int statclock_disable; 2032052Sphkextern u_int timer_freq; 2132052Sphkextern int timer0_max_count; 2232005Sphkextern u_int tsc_freq; 2347592Sphkextern int tsc_is_broken; 2418992Sbdeextern int wall_cmos_clock; 2534058Stegge#ifdef APIC_IO 2634058Steggeextern int apic_8254_intr; 2734058Stegge#endif 284174Sbde 294174Sbde/* 304174Sbde * Driver to clock driver interface. 314174Sbde */ 3219172Sbdestruct clockframe; 3319172Sbde 344174Sbdevoid DELAY __P((int usec)); 354174Sbdeint acquire_timer0 __P((int rate, 364174Sbde void (*function)(struct clockframe *frame))); 374174Sbdeint acquire_timer2 __P((int mode)); 384174Sbdeint release_timer0 __P((void)); 394174Sbdeint release_timer2 __P((void)); 4016363Sasami#ifndef PC98 4114943Sbdeint rtcin __P((int val)); 4216363Sasami#else 4316363Sasamiint acquire_timer1 __P((int mode)); 4416363Sasamiint release_timer1 __P((void)); 4516363Sasami#endif 464174Sbdeint sysbeep __P((int pitch, int period)); 4752669Siwasakivoid i8254_restore __P((void)); 484174Sbde 4955205Speter#endif /* _KERNEL */ 5019172Sbde 514174Sbde#endif /* !_MACHINE_CLOCK_H_ */ 52