xref: /netbsd-src/sys/dev/sbus/mbppio.h (revision c4df96ad4460b3b1d21c11e6fa5f44358fea2afe)
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