NetBSD/sys/dev/wscons/wsmuxvar.h

94 lines
3.5 KiB
C

/* $NetBSD: wsmuxvar.h,v 1.14 2008/04/28 20:24:01 martin Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Author: Lennart Augustsson <augustss@carlstedt.se>
* Carlstedt Research & Technology
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* A ws event source, i.e., wskbd, wsmouse, or wsmux.
*/
struct wsevsrc {
device_t me_dv;
const struct wssrcops *me_ops; /* method pointers */
struct wseventvar me_evar; /* wseventvar opened directly */
struct wseventvar *me_evp; /* our wseventvar when open */
#if NWSDISPLAY > 0
device_t me_dispdv; /* our display if part of one */
#endif
#if NWSMUX > 0
struct wsmux_softc *me_parent; /* parent mux device */
CIRCLEQ_ENTRY(wsevsrc) me_next; /* sibling pointers */
#endif
};
/*
* Methods that can be performed on an events source. Usually called
* from a wsmux.
*/
struct wssrcops {
int type; /* device type: WSMUX_{MOUSE,KBD,MUX} */
int (*dopen)(struct wsevsrc *, struct wseventvar *);
int (*dclose)(struct wsevsrc *);
int (*dioctl)(device_t, u_long, void *, int, struct lwp *);
int (*ddispioctl)(device_t, u_long, void *, int, struct lwp *);
int (*dsetdisplay)(device_t, struct wsevsrc *);
};
#define wsevsrc_open(me, evp) \
((me)->me_ops->dopen((me), evp))
#define wsevsrc_close(me) \
((me)->me_ops->dclose((me)))
#define wsevsrc_ioctl(me, cmd, data, flag, l) \
((me)->me_ops->dioctl((me)->me_dv, cmd, (void *)data, flag, l))
#define wsevsrc_display_ioctl(me, cmd, data, flag, l) \
((me)->me_ops->ddispioctl((me)->me_dv, cmd, (void *)data, flag, l))
#define wsevsrc_set_display(me, arg) \
((me)->me_ops->dsetdisplay((me)->me_dv, arg))
#if NWSMUX > 0
struct wsmux_softc {
struct wsevsrc sc_base;
struct proc *sc_p; /* open proc */
CIRCLEQ_HEAD(, wsevsrc) sc_cld; /* list of children */
u_int32_t sc_kbd_layout; /* current layout of keyboard */
#ifdef WSDISPLAY_COMPAT_RAWKBD
int sc_rawkbd; /* A hack to remember the kbd mode */
#endif
};
struct wsmux_softc *wsmux_getmux(int);
struct wsmux_softc *wsmux_create(const char *, int);
int wsmux_attach_sc(struct wsmux_softc *, struct wsevsrc *);
void wsmux_detach_sc(struct wsevsrc *);
int wsmux_set_display(struct wsmux_softc *, device_t);
int wskbd_add_mux(int, struct wsmux_softc *);
int wsmouse_add_mux(int, struct wsmux_softc *);
#endif /* NWSMUX > 0 */