mpu_isa.c revision 1.4 1 1.4 augustss /* $NetBSD: mpu_isa.c,v 1.4 1999/08/05 11:25:47 augustss Exp $ */
2 1.1 augustss
3 1.1 augustss /*-
4 1.1 augustss * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 1.1 augustss * All rights reserved.
6 1.1 augustss *
7 1.1 augustss * This code is derived from software contributed to The NetBSD Foundation
8 1.1 augustss * by Lennart Augustsson.
9 1.1 augustss *
10 1.1 augustss * Redistribution and use in source and binary forms, with or without
11 1.1 augustss * modification, are permitted provided that the following conditions
12 1.1 augustss * are met:
13 1.1 augustss * 1. Redistributions of source code must retain the above copyright
14 1.1 augustss * notice, this list of conditions and the following disclaimer.
15 1.1 augustss * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 augustss * notice, this list of conditions and the following disclaimer in the
17 1.1 augustss * documentation and/or other materials provided with the distribution.
18 1.1 augustss * 3. All advertising materials mentioning features or use of this software
19 1.1 augustss * must display the following acknowledgement:
20 1.1 augustss * This product includes software developed by the NetBSD
21 1.1 augustss * Foundation, Inc. and its contributors.
22 1.1 augustss * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 augustss * contributors may be used to endorse or promote products derived
24 1.1 augustss * from this software without specific prior written permission.
25 1.1 augustss *
26 1.1 augustss * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 augustss * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 augustss * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 augustss * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 augustss * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 augustss * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 augustss * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 augustss * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 augustss * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 augustss * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 augustss * POSSIBILITY OF SUCH DAMAGE.
37 1.1 augustss */
38 1.1 augustss
39 1.1 augustss #include <sys/param.h>
40 1.1 augustss #include <sys/systm.h>
41 1.1 augustss #include <sys/kernel.h>
42 1.1 augustss #include <sys/errno.h>
43 1.1 augustss #include <sys/device.h>
44 1.1 augustss #include <sys/proc.h>
45 1.1 augustss #include <sys/conf.h>
46 1.1 augustss #include <sys/midiio.h>
47 1.1 augustss
48 1.1 augustss #include <machine/bus.h>
49 1.1 augustss
50 1.1 augustss #include <dev/midi_if.h>
51 1.1 augustss
52 1.1 augustss #include <dev/isa/isavar.h>
53 1.2 augustss #include <dev/ic/mpuvar.h>
54 1.1 augustss
55 1.1 augustss struct mpu_isa_softc {
56 1.1 augustss struct mpu_softc sc_mpu; /* generic part */
57 1.1 augustss void *sc_ih; /* ISA interrupt handler */
58 1.1 augustss };
59 1.1 augustss
60 1.1 augustss int mpu_isa_match __P((struct device *, struct cfdata *, void *));
61 1.1 augustss void mpu_isa_attach __P((struct device *, struct device *, void *));
62 1.1 augustss
63 1.1 augustss struct cfattach mpu_isa_ca = {
64 1.1 augustss sizeof (struct mpu_isa_softc), mpu_isa_match, mpu_isa_attach
65 1.1 augustss };
66 1.1 augustss
67 1.1 augustss int
68 1.1 augustss mpu_isa_match(parent, match, aux)
69 1.1 augustss struct device *parent;
70 1.1 augustss struct cfdata *match;
71 1.1 augustss void *aux;
72 1.1 augustss {
73 1.1 augustss struct isa_attach_args *ia = aux;
74 1.1 augustss struct mpu_isa_softc sc;
75 1.1 augustss int r;
76 1.1 augustss
77 1.1 augustss memset(&sc, 0, sizeof sc);
78 1.1 augustss sc.sc_mpu.iot = ia->ia_iot;
79 1.3 augustss if (bus_space_map(sc.sc_mpu.iot, ia->ia_iobase, MPU401_NPORT, 0,
80 1.3 augustss &sc.sc_mpu.ioh))
81 1.1 augustss return (0);
82 1.1 augustss r = mpu_find(&sc.sc_mpu);
83 1.1 augustss bus_space_unmap(sc.sc_mpu.iot, sc.sc_mpu.ioh, MPU401_NPORT);
84 1.1 augustss if (r) {
85 1.1 augustss ia->ia_iosize = MPU401_NPORT;
86 1.1 augustss ia->ia_msize = 0;
87 1.1 augustss }
88 1.1 augustss return (r);
89 1.1 augustss }
90 1.1 augustss
91 1.1 augustss void
92 1.1 augustss mpu_isa_attach(parent, self, aux)
93 1.1 augustss struct device *parent;
94 1.1 augustss struct device *self;
95 1.1 augustss void *aux;
96 1.1 augustss {
97 1.1 augustss struct mpu_isa_softc *sc = (struct mpu_isa_softc *)self;
98 1.1 augustss struct isa_attach_args *ia = aux;
99 1.1 augustss
100 1.1 augustss printf("\n");
101 1.1 augustss
102 1.3 augustss if (bus_space_map(sc->sc_mpu.iot, ia->ia_iobase, MPU401_NPORT, 0,
103 1.3 augustss &sc->sc_mpu.ioh)) {
104 1.1 augustss printf("mpu_isa_attach: bus_space_map failed\n");
105 1.1 augustss return;
106 1.1 augustss }
107 1.1 augustss
108 1.1 augustss sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO,
109 1.1 augustss mpu_intr, sc);
110 1.1 augustss
111 1.4 augustss sc->sc_mpu.model = "Roland MPU-401 MIDI UART";
112 1.3 augustss mpu_attach(&sc->sc_mpu);
113 1.1 augustss }
114 1.1 augustss
115