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mbppio.h revision 1.1 
      1 /*	$NetBSD: mbppio.h,v 1.1 1998/06/03 22:40:00 pk Exp $	*/
      2 /*
      3  * Copyright (c) 1998 Iain Hibbert
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name Iain Hibbert may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
     18  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
     20  * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     24  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     25  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #include <sys/ioctl.h>
     31 
     32 struct mbpp_param {
     33 	int	bp_burst;	/* chars to send/recv in one call */
     34 	int	bp_timeout;	/* timeout: -1 blocking, 0 non blocking >0 ms */
     35 	int	bp_delay;	/* delay between polls (ms) */
     36 };
     37 
     38 #define MBPP_BLOCK	-1
     39 #define MBPP_NOBLOCK	0
     40 
     41 /* defaults */
     42 #define MBPP_BURST	1024
     43 #define MBPP_TIMEOUT	MBPP_BLOCK
     44 #define MBPP_DELAY	10
     45 
     46 /* limits */
     47 #define MBPP_BURST_MIN	1
     48 #define MBPP_BURST_MAX	1024
     49 #define MBPP_DELAY_MIN	0
     50 #define MBPP_DELAY_MAX	30000
     51 
     52 /* status bits */
     53 #define MBPP_BUSY	(1<<0)
     54 #define MBPP_PAPER	(1<<1)
     55 
     56 /* ioctl commands */
     57 #define MBPPIOCSPARAM	_IOW('P', 0x1, struct mbpp_param)
     58 #define MBPPIOCGPARAM	_IOR('P', 0x2, struct mbpp_param)
     59 #define MBPPIOCGSTAT	_IOR('P', 0x4, int)
     60