bppioctl.h revision 1.1 
1/*	$OpenBSD: bppioctl.h,v 1.1 2002/01/12 20:19:40 jason 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 * 3. The name Iain Hibbert may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
19 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
21 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 *	bppioctl.h
30 */
31
32#ifndef _IOCTL_
33#include <sys/ioctl.h>
34#endif
35
36struct bpp_param {
37	int	bp_burst;	/* chars to send/recv in one call */
38	int	bp_timeout;	/* timeout: -1 blocking, 0 non blocking >0 ms */
39	int	bp_delay;	/* delay between polls (ms) */
40};
41
42#define BPP_BLOCK	-1
43#define BPP_NOBLOCK	0
44
45/* defaults */
46#define BPP_BURST	1024
47#define BPP_TIMEOUT	BPP_BLOCK
48#define BPP_DELAY	10
49
50/* limits */
51#define BPP_BURST_MIN	1
52#define BPP_BURST_MAX	1024
53#define BPP_DELAY_MIN	0
54#define BPP_DELAY_MAX	30000
55
56/* status bits */
57#define BPP_BUSY	(1<<0)
58#define BPP_PAPER	(1<<1)
59
60/* ioctl commands */
61#define BPPIOCSPARAM	_IOW('P', 0x1, struct bpp_param)
62#define BPPIOCGPARAM	_IOR('P', 0x2, struct bpp_param)
63#define BPPIOCGSTAT	_IOR('P', 0x4, int)
64