xref: /netbsd-src/sys/dev/wscons/wsevent_50.c (revision 8a031a1d1e0aac23d43015c71ae6350b917c8347)
1 /* $NetBSD: wsevent_50.c,v 1.5 2019/12/12 02:15:43 pgoyette Exp $ */
2 
3 /*-
4  * Copyright (c) 2006, 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Julio M. Merino Vidal.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * Copyright (c) 1996, 1997 Christopher G. Demetriou.  All rights reserved.
34  *
35  * Redistribution and use in source and binary forms, with or without
36  * modification, are permitted provided that the following conditions
37  * are met:
38  * 1. Redistributions of source code must retain the above copyright
39  *    notice, this list of conditions and the following disclaimer.
40  * 2. Redistributions in binary form must reproduce the above copyright
41  *    notice, this list of conditions and the following disclaimer in the
42  *    documentation and/or other materials provided with the distribution.
43  * 3. All advertising materials mentioning features or use of this software
44  *    must display the following acknowledgement:
45  *      This product includes software developed by Christopher G. Demetriou
46  *	for the NetBSD Project.
47  * 4. The name of the author may not be used to endorse or promote products
48  *    derived from this software without specific prior written permission
49  *
50  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
51  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
52  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
53  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
54  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
55  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
59  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60  */
61 
62 /*
63  * Copyright (c) 1992, 1993
64  *	The Regents of the University of California.  All rights reserved.
65  *
66  * This software was developed by the Computer Systems Engineering group
67  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
68  * contributed to Berkeley.
69  *
70  * All advertising materials mentioning features or use of this software
71  * must display the following acknowledgement:
72  *	This product includes software developed by the University of
73  *	California, Lawrence Berkeley Laboratory.
74  *
75  * Redistribution and use in source and binary forms, with or without
76  * modification, are permitted provided that the following conditions
77  * are met:
78  * 1. Redistributions of source code must retain the above copyright
79  *    notice, this list of conditions and the following disclaimer.
80  * 2. Redistributions in binary form must reproduce the above copyright
81  *    notice, this list of conditions and the following disclaimer in the
82  *    documentation and/or other materials provided with the distribution.
83  * 3. Neither the name of the University nor the names of its contributors
84  *    may be used to endorse or promote products derived from this software
85  *    without specific prior written permission.
86  *
87  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
88  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
89  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
90  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
91  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
92  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
93  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
94  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
95  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
96  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
97  * SUCH DAMAGE.
98  *
99  *	@(#)event.c	8.1 (Berkeley) 6/11/93
100  */
101 
102 /*
103  * Internal "wscons_event" queue interface for the keyboard and mouse drivers.
104  */
105 
106 #include <sys/cdefs.h>
107 __KERNEL_RCSID(0, "$NetBSD: wsevent_50.c,v 1.5 2019/12/12 02:15:43 pgoyette Exp $");
108 
109 #include <sys/param.h>
110 #include <sys/kernel.h>
111 #include <sys/fcntl.h>
112 #include <sys/kmem.h>
113 #include <sys/proc.h>
114 #include <sys/systm.h>
115 #include <sys/vnode.h>
116 #include <sys/select.h>
117 #include <sys/poll.h>
118 #include <sys/compat_stub.h>
119 
120 #include <dev/wscons/wsconsio.h>
121 #include <dev/wscons/wseventvar.h>
122 #include <dev/wscons/wsevent_50.h>
123 
124 static int
wsevent_copyout_events50(const struct wscons_event * events,int cnt,struct uio * uio)125 wsevent_copyout_events50(const struct wscons_event *events, int cnt,
126     struct uio *uio)
127 {
128 	int i;
129 
130 	for (i = 0; i < cnt; i++) {
131 		const struct wscons_event *ev = &events[i];
132 		struct owscons_event ev50;
133 		int error;
134 
135 		ev50.type = ev->type;
136 		ev50.value = ev->value;
137 		timespec_to_timespec50(&ev->time, &ev50.time);
138 
139 		error = uiomove(&ev50, sizeof(ev50), uio);
140 		if (error) {
141 			return error;
142 		}
143 	}
144 	return 0;
145 }
146 
147 void
wsevent_50_init(void)148 wsevent_50_init(void)
149 {
150 
151 	MODULE_HOOK_SET(wscons_copyout_events_50_hook,
152 	    wsevent_copyout_events50);
153 }
154 
155 void
wsevent_50_fini(void)156 wsevent_50_fini(void)
157 {
158 
159 	MODULE_HOOK_UNSET(wscons_copyout_events_50_hook);
160 }
161