1 /*	$OpenBSD: wsmuxvar.h,v 1.7 2006/08/05 16:59:57 miod Exp $	*/
2 /*      $NetBSD: wsmuxvar.h,v 1.10 2005/04/30 03:47:12 augustss Exp $   */
3 
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * Author: Lennart Augustsson <augustss@carlstedt.se>
9  *         Carlstedt Research & Technology
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *        This product includes software developed by the NetBSD
22  *        Foundation, Inc. and its contributors.
23  * 4. Neither the name of The NetBSD Foundation nor the names of its
24  *    contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37  * POSSIBILITY OF SUCH DAMAGE.
38  */
39 
40 /*
41  * A ws event source, i.e., wskbd, wsmouse, or wsmux.
42  */
43 struct wsevsrc {
44 	struct device me_dv;
45 	const struct wssrcops *me_ops;	/* method pointers */
46 	struct wseventvar me_evar;	/* wseventvar opened directly */
47 	struct wseventvar *me_evp;	/* our wseventvar when open */
48 #if NWSDISPLAY > 0
49 	struct device *me_dispdv;	/* our display if part of one */
50 #define	sc_displaydv	sc_base.me_dispdv
51 #endif
52 #if NWSMUX > 0
53 	struct wsmux_softc *me_parent;	/* parent mux device */
54 	CIRCLEQ_ENTRY(wsevsrc) me_next;	/* sibling pointers */
55 #endif
56 };
57 
58 /*
59  * Methods that can be performed on an events source.  Usually called
60  * from a wsmux.
61  */
62 struct wssrcops {
63 	int type;			/* device type: WSMUX_{MOUSE,KBD,MUX} */
64 	int (*dopen)(struct wsevsrc *, struct wseventvar *);
65 	int (*dclose)(struct wsevsrc *);
66 	int (*dioctl)(struct device *, u_long, caddr_t, int, struct proc *);
67 	int (*ddispioctl)(struct device *, u_long, caddr_t, int, struct proc *);
68 	int (*dsetdisplay)(struct device *, struct device *);
69 };
70 
71 #define wsevsrc_open(me, evp) \
72 	((me)->me_ops->dopen((me), evp))
73 #define wsevsrc_close(me) \
74 	((me)->me_ops->dclose((me)))
75 #define wsevsrc_ioctl(me, cmd, data, flag, p) \
76 	((me)->me_ops->dioctl(&(me)->me_dv, cmd, (caddr_t)data, flag, p))
77 #define wsevsrc_display_ioctl(me, cmd, data, flag, p) \
78 	((me)->me_ops->ddispioctl(&(me)->me_dv, cmd, (caddr_t)data, flag, p))
79 #define wsevsrc_set_display(me, arg) \
80 	((me)->me_ops->dsetdisplay(&(me)->me_dv, arg))
81 
82 #if NWSMUX > 0
83 struct wsmux_softc {
84 	struct wsevsrc sc_base;
85 	struct proc *sc_p;		/* open proc */
86 	CIRCLEQ_HEAD(, wsevsrc) sc_cld;	/* list of children */
87 	u_int32_t sc_kbd_layout;	/* current layout of keyboard */
88 #ifdef WSDISPLAY_COMPAT_RAWKBD
89 	int sc_rawkbd;			/* A hack to remember the kbd mode */
90 #endif
91 };
92 
93 /*
94  * configure defines
95  */
96 #define WSMOUSEDEVCF_MUX		0
97 
98 struct	wsmux_softc *wsmux_getmux(int);
99 struct	wsmux_softc *wsmux_create(const char *, int);
100 int	wsmux_attach_sc(struct wsmux_softc *, struct wsevsrc *);
101 void	wsmux_detach_sc(struct wsevsrc *);
102 int	wsmux_set_display(struct wsmux_softc *, struct device *);
103 
104 int	wskbd_add_mux(int, struct wsmux_softc *);
105 int	wsmouse_add_mux(int, struct wsmux_softc *);
106 
107 #endif	/* NWSMUX > 0 */
108