xref: /freebsd/sys/dev/vt/vt_consolectl.c (revision 38f0b757fd84d17d0fc24739a7cda160c4516d81)
1 /*-
2  * Copyright (c) 2009 The FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Ed Schouten under sponsorship from the
6  * FreeBSD Foundation.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include <sys/param.h>
34 #include <sys/consio.h>
35 #include <sys/kernel.h>
36 #include <sys/systm.h>
37 
38 #include <dev/vt/vt.h>
39 
40 static d_ioctl_t	consolectl_ioctl;
41 
42 static struct cdevsw consolectl_cdevsw = {
43 	.d_version	= D_VERSION,
44 	.d_ioctl	= consolectl_ioctl,
45 	.d_name		= "consolectl",
46 };
47 
48 static int
49 consolectl_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag,
50     struct thread *td)
51 {
52 
53 	switch (cmd) {
54 	case CONS_GETVERS:
55 		*(int*)data = 0x200;
56 		return 0;
57 	case CONS_MOUSECTL: {
58 		mouse_info_t *mi = (mouse_info_t*)data;
59 
60 		sysmouse_process_event(mi);
61 		return (0);
62 	}
63 	default:
64 		printf("consolectl: unknown ioctl: %c:%lx\n",
65 		    (char)IOCGROUP(cmd), IOCBASECMD(cmd));
66 		return (ENOIOCTL);
67 	}
68 }
69 
70 static void
71 consolectl_drvinit(void *unused)
72 {
73 
74 	make_dev(&consolectl_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
75 	    "consolectl");
76 }
77 
78 SYSINIT(consolectl, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, consolectl_drvinit, NULL);
79