i386/linux-2.3.21/drivers/char/ftape/lowlevel/ftape-calibr.h

   1 #ifndef _FTAPE_CALIBR_H
   2 #define _FTAPE_CALIBR_H
   3
   4 /*
   5  *      Copyright (C) 1993-1996 Bas Laarhoven.
   6
   7  This program is free software; you can redistribute it and/or modify
   8  it under the terms of the GNU General Public License as published by
   9  the Free Software Foundation; either version 2, or (at your option)
  10  any later version.
  11
  12  This program is distributed in the hope that it will be useful,
  13  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  GNU General Public License for more details.
  16
  17  You should have received a copy of the GNU General Public License
  18  along with this program; see the file COPYING.  If not, write to
  19  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21  *
  22  * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-calibr.h,v $
  23  * $Revision: 1.1 $
  24  * $Date: 1997/09/19 09:05:26 $
  25  *
  26  *      This file contains a gp calibration routine for
  27  *      hardware dependent timeout functions.
  28  */
  29
  30 extern void ftape_calibrate(char *name,
  31                             void (*fun) (unsigned int),
  32                             unsigned int *calibr_count,
  33                             unsigned int *calibr_time);
  34 extern unsigned int ftape_timestamp(void);
  35 extern unsigned int ftape_timediff(unsigned int t0, unsigned int t1);
  36
  37 #endif /* _FTAPE_CALIBR_H */