sys/platform/vkernel/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/i386/include/clock.h,v 1.38.2.1 2002/11/02 04:41:50 iwasaki Exp $
   7  * $DragonFly: src/sys/platform/vkernel/include/clock.h,v 1.2 2008/05/10 17:24:11 dillon Exp $
   8  */
   9
  10 #ifndef _MACHINE_CLOCK_H_
  11 #define _MACHINE_CLOCK_H_
  12
  13 #ifdef _KERNEL
  14
  15 #ifndef _SYS_TYPES_H_
  16 #include <sys/types.h>
  17 #endif
  18
  19 /*
  20  * i386 to clock driver interface.
  21  * XXX large parts of the driver and its interface are misplaced.
  22  */
  23 extern int      adjkerntz;
  24 extern int      disable_rtc_set;
  25 extern int      statclock_disable;
  26 extern u_int    timer_freq;
  27 extern int      timer0_max_count;
  28 extern int      tsc_present;
  29 extern int64_t  tsc_frequency;
  30 extern int      tsc_is_broken;
  31 extern int      wall_cmos_clock;
  32 #ifdef APIC_IO
  33 extern int      apic_8254_intr;
  34 #endif
  35
  36 /*
  37  * Driver to clock driver interface.
  38  */
  39
  40 int     rtcin (int val);
  41 int     acquire_timer2 (int mode);
  42 int     release_timer2 (void);
  43 int     sysbeep (int pitch, int period);
  44 void    timer_restore (void);
  45
  46 #endif /* _KERNEL */
  47
  48 #endif /* !_MACHINE_CLOCK_H_ */