xref: /netbsd/sys/dev/ic/oplvar.h (revision bf9ec67e)
1 /*	$NetBSD: oplvar.h,v 1.8 2001/11/04 06:44:31 itohy 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <dev/midivar.h>
40 #include <dev/midisynvar.h>
41 
42 struct opl_voice {
43 	int voiceno;
44 	int iooffs;
45 	u_int8_t op[4];
46 	const struct opl_operators *patch;
47 	u_int8_t rB0;
48 };
49 
50 struct opl_softc {
51 	struct midi_softc mididev;
52 	bus_space_tag_t iot;
53 	bus_space_handle_t ioh;
54 	int	offs;
55 	int	model;
56 #define OPL_2 2
57 #define OPL_3 3
58 	struct	midisyn syn;
59 	struct	device *sc_mididev;
60 
61 	struct opl_voice voices[OPL3_NVOICE];
62 	int volume;
63 	u_int8_t pan[MIDI_MAX_CHANS];
64 	u_int8_t panl, panr;
65 
66 	int	(*spkrctl)__P((void *, int));
67 	void	*spkrarg;
68 
69 #ifndef AUDIO_NO_POWER_CTL
70 	int	(*powerctl)__P((void *, int));
71 	void	*powerarg;
72 #endif
73 };
74 
75 /* for panpot */
76 #define OPL_MIDI_CENTER_MIN	(64 - 20)
77 #define OPL_MIDI_CENTER_MAX	(64 + 20)
78 
79 /* config flags */
80 #define OPL_FLAGS_SWAP_LR	0x0001	/* swap L and R channels */
81 
82 struct opl_attach_arg {
83 	bus_space_tag_t iot;
84 	bus_space_handle_t ioh;
85 	int offs;
86 	int done;
87 };
88 
89 struct opl_operators {
90 	u_int8_t opl3;
91 	u_int8_t ops[22];
92 #define OO_CHARS	0
93 #define OO_KSL_LEV	2
94 #define OO_ATT_DEC	4
95 #define OO_SUS_REL	6
96 #define OO_WAV_SEL	8
97 #define OO_FB_CONN	10
98 #define OO_4OP_OFFS	11
99 };
100 
101 #define OPL_NINSTR 256
102 
103 #ifdef _KERNEL
104 extern const struct opl_operators opl2_instrs[];
105 extern const struct opl_operators opl3_instrs[];
106 
107 int	opl_find __P((struct opl_softc *));
108 void	opl_attach __P((struct opl_softc *));
109 int	opl_detach __P((struct opl_softc *, int));
110 #endif
111