Home | History | Annotate | Line # | Download | only in wscons 
      1 /*	$NetBSD: wsmuxvar.h,v 1.17 2017/06/12 07:10:07 pgoyette Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Author: Lennart Augustsson <augustss (at) carlstedt.se>
      8  *         Carlstedt Research & Technology
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * A ws event source, i.e., wskbd, wsmouse, or wsmux.
     34  */
     35 struct wsevsrc {
     36 	device_t me_dv;
     37 	const struct wssrcops *me_ops;	/* method pointers */
     38 	struct wseventvar me_evar;	/* wseventvar opened directly */
     39 	struct wseventvar *me_evp;	/* our wseventvar when open */
     40 	device_t me_dispdv;       /* our display if part of one */
     41 	struct wsmux_softc *me_parent;	/* parent mux device */
     42 	TAILQ_ENTRY(wsevsrc) me_next;	/* sibling pointers */
     43 };
     44 
     45 /*
     46  * Methods that can be performed on an events source.  Usually called
     47  * from a wsmux.
     48  */
     49 struct wssrcops {
     50 	int type;		/* device type: WSMUX_{MOUSE,KBD,MUX} */
     51 	int (*dopen)(struct wsevsrc *, struct wseventvar *);
     52 	int (*dclose)(struct wsevsrc *);
     53 	int (*dioctl)(device_t, u_long, void *, int, struct lwp *);
     54 	int (*ddispioctl)(device_t, u_long, void *, int, struct lwp *);
     55 	int (*dsetdisplay)(device_t, struct wsevsrc *);
     56 };
     57 
     58 #define wsevsrc_open(me, evp) \
     59 	((me)->me_ops->dopen((me), evp))
     60 #define wsevsrc_close(me) \
     61 	((me)->me_ops->dclose((me)))
     62 #define wsevsrc_ioctl(me, cmd, data, flag, l) \
     63 	((me)->me_ops->dioctl((me)->me_dv, cmd, (void *)data, flag, l))
     64 #define wsevsrc_display_ioctl(me, cmd, data, flag, l) \
     65 	((me)->me_ops->ddispioctl((me)->me_dv, cmd, (void *)data, flag, l))
     66 #define wsevsrc_set_display(me, arg) \
     67 	((me)->me_ops->dsetdisplay((me)->me_dv, arg))
     68 
     69 struct wsmux_softc {
     70 	struct wsevsrc sc_base;
     71 	struct proc *sc_p;		/* open proc */
     72 	TAILQ_HEAD(, wsevsrc) sc_cld;	/* list of children */
     73 	u_int32_t sc_kbd_layout;	/* current layout of keyboard */
     74 #ifdef WSDISPLAY_COMPAT_RAWKBD
     75 	int sc_rawkbd;		        /* A hack to remember the kbd mode */
     76 #endif
     77 };
     78 
     79 struct	wsmux_softc *wsmux_getmux(int);
     80 struct	wsmux_softc *wsmux_create(const char *, int);
     81 int	wsmux_attach_sc(struct wsmux_softc *, struct wsevsrc *);
     82 void	wsmux_detach_sc(struct wsevsrc *);
     83 int	wsmux_set_display(struct wsmux_softc *, device_t);
     84 
     85 int	wskbd_add_mux(int, struct wsmux_softc *);
     86 int	wsmouse_add_mux(int, struct wsmux_softc *);
     87 int	wsbell_add_mux(int, struct wsmux_softc *);
     88