1 /* $OpenBSD: mpuvar.h,v 1.6 2008/06/26 05:42:15 ray 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 struct mpu_softc { 34 bus_space_tag_t iot; /* tag */ 35 bus_space_handle_t ioh; /* handle */ 36 int iobase; 37 int open; 38 void (*intr)(void *, int); /* midi input intr handler */ 39 void *arg; /* arg for intr() */ 40 }; 41 42 extern struct midi_hw_if mpu_midi_hw_if; 43 44 int mpu_intr(void *); 45 int mpu_find(void *); 46 int mpu_open(void *, int, 47 void (*iintr)(void *, int), 48 void (*ointr)(void *), void *arg); 49 void mpu_close(void *); 50 int mpu_output(void *, int); 51 void mpu_getinfo(void *addr, struct midi_info *mi); 52 53 #define MPU401_NPORT 2 54 #define MPU_DATA 0 55 #define MPU_COMMAND 1 56 #define MPU_RESET 0xff 57 #define MPU_UART_MODE 0x3f 58 #define MPU_ACK 0xfe 59 #define MPU_STATUS 1 60 #define MPU_OUTPUT_BUSY 0x40 61 #define MPU_INPUT_EMPTY 0x80 62 63 #define MPU_MAXWAIT 10000 /* usec/10 to wait */ 64