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wsmuxvar.h revision 1.3 
      1 /*	$NetBSD: wsmuxvar.h,v 1.3 2001/10/13 15:56:16 augustss 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 struct wsdisplay_softc;
     40 struct wsplink;
     41 
     42 struct wsmux_softc {
     43 	struct device sc_dv;
     44 	struct wseventvar sc_events;	/* event queue state */
     45 	int sc_flags, sc_mode;		/* open flags */
     46 	struct proc *sc_p;		/* open proc */
     47 	LIST_HEAD(, wsplink) sc_reals;  /* list of real devices */
     48 	struct wsmux_softc *sc_mux;     /* if part of another mux */
     49 	struct device *sc_displaydv;    /* our display if part of one */
     50 #ifdef WSDISPLAY_COMPAT_RAWKBD
     51 	int sc_rawkbd;		        /* A hack to remember the kbd mode */
     52 #endif
     53 };
     54 
     55 struct wsmuxops {
     56 	int (*dopen)(dev_t, int, int, struct proc *);
     57 	int (*dclose)(struct device *, int, int, struct proc *);
     58 	int (*dioctl)(struct device *, u_long, caddr_t, int, struct proc *);
     59 	int (*ddispioctl)(struct device *, u_long, caddr_t, int, struct proc *);
     60 	int (*dsetdisplay)(struct device *, struct wsmux_softc *);
     61 };
     62 
     63 struct wsmux_softc *wsmux_getmux(int);
     64 struct wsmux_softc *wsmux_create(const char *, int);
     65 int	wsmux_attach_sc(
     66 	  struct wsmux_softc *,
     67 	  int, struct device *, struct wseventvar *,
     68 	  struct wsmux_softc **,
     69 	  struct wsmuxops *);
     70 int	wsmux_detach_sc(struct wsmux_softc *, struct device *);
     71 void	wsmux_attach(
     72 	  int, int, struct device *, struct wseventvar *,
     73 	  struct wsmux_softc **,
     74 	  struct wsmuxops *);
     75 void	wsmux_detach(int, struct device *);
     76 
     77 int	wsmux_displayioctl(struct device *dev, u_long cmd,
     78 	    caddr_t data, int flag, struct proc *p);
     79 
     80 int	wsmuxdoioctl(struct device *, u_long, caddr_t,int,struct proc *);
     81 
     82 int	wsmux_add_mux(int, struct wsmux_softc *);
     83 int	wsmux_rem_mux(int, struct wsmux_softc *);
     84 int	wskbd_add_mux(int, struct wsmux_softc *);
     85 int	wskbd_rem_mux(int, struct wsmux_softc *);
     86 int	wsmouse_add_mux(int, struct wsmux_softc *);
     87 int	wsmouse_rem_mux(int, struct wsmux_softc *);
     88