Home | History | Annotate | Line # | Download | only in gpib
ppiio.h revision 1.1 
      1 /*	$NetBSD: ppiio.h,v 1.1 2003/06/02 03:47:10 gmcgarry 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)ppiioctl.h	8.1 (Berkeley) 6/10/93
     36  */
     37 
     38 #ifndef _IOCTL_
     39 #include <sys/ioctl.h>
     40 #endif
     41 
     42 struct ppiparam {
     43 	int	burst;	/* chars to send/recv in one call */
     44 	int	timo;	/* timeout: -1 blocking, 0 non-blocking, >0 msec */
     45 	int	delay;	/* delay between polls (msec) */
     46 };
     47 
     48 #define PPI_BLOCK	-1
     49 #define PPI_NOBLOCK	0
     50 
     51 /* default values */
     52 #define	PPI_BURST	1024
     53 #define PPI_TIMO	PPI_BLOCK
     54 #define PPI_DELAY	10
     55 
     56 /* limits */
     57 #define	PPI_BURST_MIN	1
     58 #define	PPI_BURST_MAX	1024
     59 #define PPI_DELAY_MIN	0
     60 #define PPI_DELAY_MAX	30000
     61 
     62 #define PPIIOCSPARAM	_IOW('P', 0x1, struct ppiparam)
     63 #define PPIIOCGPARAM	_IOR('P', 0x2, struct ppiparam)
     64 #define PPIIOCSSEC	_IOW('P', 0x3, int)
     65