xref: /netbsd/sys/dev/isa/mpu_ym.c (revision 6550d01e)
1 /*	$NetBSD: mpu_ym.c,v 1.15 2008/04/28 20:23:52 martin 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@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 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: mpu_ym.c,v 1.15 2008/04/28 20:23:52 martin Exp $");
34 
35 #define NMPU_YM 1
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/errno.h>
41 #include <sys/device.h>
42 #include <sys/proc.h>
43 #include <sys/conf.h>
44 #include <sys/audioio.h>
45 #include <sys/midiio.h>
46 
47 #include <sys/bus.h>
48 
49 #include <dev/audio_if.h>
50 #include <dev/midi_if.h>
51 
52 #include <dev/isa/isavar.h>
53 #include <dev/isa/ad1848var.h>
54 #include <dev/ic/opl3sa3reg.h>
55 #include <dev/isa/ymvar.h>
56 #include <dev/ic/mpuvar.h>
57 
58 static int	mpu_ym_match(device_t, cfdata_t, void *);
59 static void	mpu_ym_attach(device_t, device_t, void *);
60 #ifndef AUDIO_NO_POWER_CTL
61 static int	mpu_ym_power_ctl(void *, int);
62 #endif
63 
64 CFATTACH_DECL_NEW(mpu_ym, sizeof(struct mpu_softc),
65     mpu_ym_match, mpu_ym_attach, NULL, NULL);
66 
67 static int
68 mpu_ym_match(device_t parent, cfdata_t match, void *aux)
69 {
70 	struct audio_attach_args *aa = aux;
71 	struct ym_softc *ssc = device_private(parent);
72 	struct mpu_softc sc;
73 
74 	if (aa->type != AUDIODEV_TYPE_MPU || ssc->sc_mpu_ioh == 0)
75 		return (0);
76 	memset(&sc, 0, sizeof sc);
77 	sc.ioh = ssc->sc_mpu_ioh;
78 	sc.iot = ssc->sc_iot;
79 	return mpu_find(&sc);
80 }
81 
82 static void
83 mpu_ym_attach(device_t parent, device_t self, void *aux)
84 {
85 	struct ym_softc *ssc = device_private(parent);
86 	struct mpu_softc *sc = device_private(self);
87 
88 	aprint_normal("\n");
89 
90 	sc->ioh = ssc->sc_mpu_ioh;
91 	sc->iot = ssc->sc_iot;
92 #ifndef AUDIO_NO_POWER_CTL
93 	sc->powerctl = mpu_ym_power_ctl;
94 	sc->powerarg = ssc;
95 #endif
96 	sc->model = YM_IS_SA3(ssc) ?
97 	    "OPL3-SA3 MPU-401 MIDI UART" : "OPL3-SA2 MPU-401 MIDI UART";
98 	sc->sc_dev  = self;
99 
100 	mpu_attach(sc);
101 }
102 
103 #ifndef AUDIO_NO_POWER_CTL
104 static int
105 mpu_ym_power_ctl(void *arg, int onoff)
106 {
107 	struct ym_softc *ssc = arg;
108 
109 	ym_power_ctl(ssc, YM_POWER_MPU401, onoff);
110 	return 0;
111 }
112 #endif
113