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midi_if.h revision 1.13 
      1 /*	$NetBSD: midi_if.h,v 1.13 2003/12/04 13:57:30 keihan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Lennart Augustsson (augustss (at) NetBSD.org).
      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 #ifndef _SYS_DEV_MIDI_IF_H_
     40 #define _SYS_DEV_MIDI_IF_H_
     41 
     42 struct midi_info {
     43 	char	*name;		/* Name of MIDI hardware */
     44 	int	props;
     45 };
     46 #define MIDI_PROP_OUT_INTR  1
     47 #define MIDI_PROP_CAN_INPUT 2
     48 
     49 struct midi_softc;
     50 
     51 struct midi_hw_if {
     52 	int	(*open)(void *, int, 	/* open hardware */
     53 			void (*)(void *, int), /* input callback */
     54 			void (*)(void *), /* output callback */
     55 			void *);
     56 	void	(*close)(void *);		/* close hardware */
     57 	int	(*output)(void *, int);	/* output a byte */
     58 	void	(*getinfo)(void *, struct midi_info *);
     59 	int	(*ioctl)(void *, u_long, caddr_t, int, struct proc *);
     60 };
     61 
     62 void	midi_attach(struct midi_softc *, struct device *);
     63 struct device *midi_attach_mi(struct midi_hw_if *, void *,
     64 				   struct device *);
     65 
     66 int	midi_unit_count(void);
     67 void	midi_getinfo(dev_t, struct midi_info *);
     68 int	midi_writebytes(int, u_char *, int);
     69 
     70 #if !defined(IPL_AUDIO)
     71 #define splaudio splbio		/* XXX */
     72 #define IPL_AUDIO IPL_BIO	/* XXX */
     73 #endif
     74 
     75 #endif /* _SYS_DEV_MIDI_IF_H_ */
     76