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      1 /*	$NetBSD: mbppio.h,v 1.2 2008/07/02 10:16:20 plunky Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 Iain Hibbert
      5  * 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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/ioctl.h>
     29 
     30 struct mbpp_param {
     31 	int	bp_burst;	/* chars to send/recv in one call */
     32 	int	bp_timeout;	/* timeout: -1 blocking, 0 non blocking >0 ms */
     33 	int	bp_delay;	/* delay between polls (ms) */
     34 };
     35 
     36 #define MBPP_BLOCK	-1
     37 #define MBPP_NOBLOCK	0
     38 
     39 /* defaults */
     40 #define MBPP_BURST	1024
     41 #define MBPP_TIMEOUT	MBPP_BLOCK
     42 #define MBPP_DELAY	10
     43 
     44 /* limits */
     45 #define MBPP_BURST_MIN	1
     46 #define MBPP_BURST_MAX	1024
     47 #define MBPP_DELAY_MIN	0
     48 #define MBPP_DELAY_MAX	30000
     49 
     50 /* status bits */
     51 #define MBPP_BUSY	(1<<0)
     52 #define MBPP_PAPER	(1<<1)
     53 
     54 /* ioctl commands */
     55 #define MBPPIOCSPARAM	_IOW('P', 0x1, struct mbpp_param)
     56 #define MBPPIOCGPARAM	_IOR('P', 0x2, struct mbpp_param)
     57 #define MBPPIOCGSTAT	_IOR('P', 0x4, int)
     58