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      1 /*	$NetBSD: mpuvar.h,v 1.11 2011/11/23 23:07:32 jmcneill 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  *
     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 struct mpu_softc {
     33 	device_t sc_dev;		/* base device */
     34 	bus_space_tag_t iot;		/* tag */
     35 	bus_space_handle_t ioh;		/* handle */
     36 	kmutex_t *lock;
     37 	const char *model;
     38 	int	open;
     39 	void	(*intr)(void *, int);	/* midi input intr handler */
     40 	void	*arg;			/* arg for intr() */
     41 
     42 #ifndef AUDIO_NO_POWER_CTL
     43 	int	(*powerctl)(void *, int);
     44 	void	*powerarg;
     45 #endif
     46 };
     47 
     48 #ifdef _KERNEL
     49 extern const struct midi_hw_if mpu_midi_hw_if;
     50 
     51 int	mpu_find(struct mpu_softc *);
     52 void	mpu_attach(struct mpu_softc *);
     53 int	mpu_intr(void *);
     54 #endif
     55 
     56 #define MPU401_NPORT	2
     57