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Initial revision

/*	$OpenBSD: bppioctl.h,v 1.1 2002/01/12 20:19:40 jason Exp $	*/

/*
 * Copyright (c) 1998 Iain Hibbert
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name Iain Hibbert may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *	bppioctl.h
 */

#ifndef _IOCTL_
#include <sys/ioctl.h>
#endif

struct bpp_param {
	int	bp_burst;	/* chars to send/recv in one call */
	int	bp_timeout;	/* timeout: -1 blocking, 0 non blocking >0 ms */
	int	bp_delay;	/* delay between polls (ms) */
};

#define BPP_BLOCK	-1
#define BPP_NOBLOCK	0

/* defaults */
#define BPP_BURST	1024
#define BPP_TIMEOUT	BPP_BLOCK
#define BPP_DELAY	10

/* limits */
#define BPP_BURST_MIN	1
#define BPP_BURST_MAX	1024
#define BPP_DELAY_MIN	0
#define BPP_DELAY_MAX	30000

/* status bits */
#define BPP_BUSY	(1<<0)
#define BPP_PAPER	(1<<1)

/* ioctl commands */
#define BPPIOCSPARAM	_IOW('P', 0x1, struct bpp_param)
#define BPPIOCGPARAM	_IOR('P', 0x2, struct bpp_param)
#define BPPIOCGSTAT	_IOR('P', 0x4, int)