sys/dev/gpib/ppiio.h

   1 /*      $NetBSD: ppiio.h,v 1.1.2.3 2004/09/21 13:27:37 skrll Exp $      */
   2
   3 /*
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)ppiioctl.h  8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #ifndef _IOCTL_
  35 #include <sys/ioctl.h>
  36 #endif
  37
  38 struct ppiparam {
  39         int     burst;  /* chars to send/recv in one call */
  40         int     timo;   /* timeout: -1 blocking, 0 non-blocking, >0 msec */
  41         int     delay;  /* delay between polls (msec) */
  42 };
  43
  44 #define PPI_BLOCK       -1
  45 #define PPI_NOBLOCK     0
  46
  47 /* default values */
  48 #define PPI_BURST       1024
  49 #define PPI_TIMO        PPI_BLOCK
  50 #define PPI_DELAY       10
  51
  52 /* limits */
  53 #define PPI_BURST_MIN   1
  54 #define PPI_BURST_MAX   1024
  55 #define PPI_DELAY_MIN   0
  56 #define PPI_DELAY_MAX   30000
  57
  58 #define PPIIOCSPARAM    _IOW('P', 0x1, struct ppiparam)
  59 #define PPIIOCGPARAM    _IOR('P', 0x2, struct ppiparam)
  60 #define PPIIOCSSEC      _IOW('P', 0x3, int)