xref: /netbsd/sys/dev/sbus/mbppio.h (revision bf9ec67e)
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