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ascvar.h revision 1.4 
      1 /*	$NetBSD: ascvar.h,v 1.4 1997/10/10 05:54:57 scottr Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1997 Scott Reynolds.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #define ASCUNIT(d)	((d) & 0x7)
     30 
     31 struct asc_softc {
     32 	struct device		sc_dev;
     33 	bus_space_tag_t		sc_tag;
     34 	bus_space_handle_t	sc_handle;
     35 	int			sc_open;
     36 	int			sc_ringing;
     37 };
     38 
     39 int	ascopen __P((dev_t dev, int flag, int mode, struct proc *p));
     40 int	ascclose __P((dev_t dev, int flag, int mode, struct proc *p));
     41 int	ascread __P((dev_t, struct uio *, int));
     42 int	ascwrite __P((dev_t, struct uio *, int));
     43 int	ascioctl __P((dev_t, int, caddr_t, int, struct proc *p));
     44 int	ascpoll __P((dev_t dev, int events, struct proc *p));
     45 int	ascmmap __P((dev_t dev, int off, int prot));
     46