sys/platform/pc64/include/clock.h

   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: src/sys/amd64/include/clock.h,v 1.54 2007/01/23 08:01:19 bde Exp $
   7  * $DragonFly: src/sys/platform/pc64/include/clock.h,v 1.2 2008/05/10 17:24:10 dillon Exp $
   8  */
   9
  10 #ifndef _MACHINE_CLOCK_H_
  11 #define _MACHINE_CLOCK_H_
  12
  13 #ifdef _KERNEL
  14 /*
  15  * i386 to clock driver interface.
  16  * XXX large parts of the driver and its interface are misplaced.
  17  */
  18 extern int      adjkerntz;
  19 extern int      clkintr_pending;
  20 extern int      pscnt;
  21 extern int      psdiv;
  22 extern int      statclock_disable;
  23 extern u_int    timer_freq;
  24 extern int      timer0_max_count;
  25 extern int      tsc_present;
  26 extern int      tsc_is_broken;
  27 extern int      wall_cmos_clock;
  28
  29 /*
  30  * Driver to clock driver interface.
  31  */
  32
  33 int     acquire_timer2(int mode);
  34 int     release_timer2(void);
  35 int     rtcin(int val);
  36 int     sysbeep(int pitch, int period);
  37 void    init_TSC(void);
  38 void    init_TSC_tc(void);
  39
  40 #endif /* _KERNEL */
  41
  42 #endif /* !_MACHINE_CLOCK_H_ */