1 /* $OpenBSD: mpuvar.h,v 1.5 2003/05/12 00:48:52 jason Exp $ */
2 /* $NetBSD: mpu401var.h,v 1.3 1998/11/25 22:17:06 augustss Exp $ */
3
4 /*
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (augustss@netbsd.org).
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 struct mpu_softc {
41 bus_space_tag_t iot; /* tag */
42 bus_space_handle_t ioh; /* handle */
43 int iobase;
44 int open;
45 void (*intr)(void *, int); /* midi input intr handler */
46 void *arg; /* arg for intr() */
47 };
48
49 extern struct midi_hw_if mpu_midi_hw_if;
50
51 int mpu_intr(void *);
52 int mpu_find(void *);
53 int mpu_open(void *, int,
54 void (*iintr)(void *, int),
55 void (*ointr)(void *), void *arg);
56 void mpu_close(void *);
57 int mpu_output(void *, int);
58 void mpu_getinfo(void *addr, struct midi_info *mi);
59
60 #define MPU401_NPORT 2
61 #define MPU_DATA 0
62 #define MPU_COMMAND 1
63 #define MPU_RESET 0xff
64 #define MPU_UART_MODE 0x3f
65 #define MPU_ACK 0xfe
66 #define MPU_STATUS 1
67 #define MPU_OUTPUT_BUSY 0x40
68 #define MPU_INPUT_EMPTY 0x80
69
70 #define MPU_MAXWAIT 10000 /* usec/10 to wait */