1/*	$OpenBSD: wsmuxvar.h,v 1.11 2019/02/18 17:39:14 anton 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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * A ws event source, i.e., wskbd, wsmouse, or wsmux.
35 */
36struct wsevsrc {
37	struct device me_dv;
38	const struct wssrcops *me_ops;	/* method pointers */
39	struct wseventvar me_evar;	/* wseventvar opened directly */
40	struct wseventvar *me_evp;	/* our wseventvar when open */
41#if NWSDISPLAY > 0
42	struct device *me_dispdv;	/* our display if part of one */
43#define	sc_displaydv	sc_base.me_dispdv
44#endif
45#if NWSMUX > 0
46	struct wsmux_softc *me_parent;	/* parent mux device */
47	TAILQ_ENTRY(wsevsrc) me_next;	/* sibling pointers */
48#endif
49};
50
51/*
52 * Methods that can be performed on an events source.  Usually called
53 * from a wsmux.
54 */
55struct wssrcops {
56	int type;			/* device type: WSMUX_{MOUSE,KBD,MUX} */
57	int (*dopen)(struct wsevsrc *, struct wseventvar *);
58	int (*dclose)(struct wsevsrc *);
59	int (*dioctl)(struct device *, u_long, caddr_t, int, struct proc *);
60	int (*ddispioctl)(struct device *, u_long, caddr_t, int, struct proc *);
61	int (*dsetdisplay)(struct device *, struct device *);
62};
63
64#define wsevsrc_open(me, evp) \
65	((me)->me_ops->dopen((me), evp))
66#define wsevsrc_close(me) \
67	((me)->me_ops->dclose((me)))
68#define wsevsrc_ioctl(me, cmd, data, flag, p) \
69	((me)->me_ops->dioctl(&(me)->me_dv, cmd, (caddr_t)data, flag, p))
70#define wsevsrc_display_ioctl(me, cmd, data, flag, p) \
71	((me)->me_ops->ddispioctl(&(me)->me_dv, cmd, (caddr_t)data, flag, p))
72#define wsevsrc_set_display(me, arg) \
73	((me)->me_ops->dsetdisplay(&(me)->me_dv, arg))
74
75#if NWSMUX > 0
76struct wsmux_softc {
77	struct wsevsrc sc_base;
78	struct proc *sc_p;		/* open proc */
79	TAILQ_HEAD(, wsevsrc) sc_cld;	/* list of children */
80	struct rwlock sc_lock;		/* lock for sc_cld */
81	u_int32_t sc_kbd_layout;	/* current layout of keyboard */
82#ifdef WSDISPLAY_COMPAT_RAWKBD
83	int sc_rawkbd;			/* A hack to remember the kbd mode */
84#endif
85};
86
87/*
88 * configure defines
89 */
90#define WSMOUSEDEVCF_MUX		0
91
92struct	wsmux_softc *wsmux_getmux(int);
93struct	wsmux_softc *wsmux_create(const char *, int);
94int	wsmux_attach_sc(struct wsmux_softc *, struct wsevsrc *);
95void	wsmux_detach_sc(struct wsevsrc *);
96int	wsmux_set_display(struct wsmux_softc *, struct device *);
97uint32_t wsmux_get_layout(struct wsmux_softc *);
98void	wsmux_set_layout(struct wsmux_softc *, uint32_t);
99
100int	wskbd_add_mux(int, struct wsmux_softc *);
101int	wsmouse_add_mux(int, struct wsmux_softc *);
102
103#endif	/* NWSMUX > 0 */
104