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 */