xref: /netbsd-src/sys/dev/ic/oplvar.h (revision 1687854c43a6fa5edc6896f1e9f1762691226c31)
1 /*	$NetBSD: oplvar.h,v 1.17 2012/04/09 10:18:16 plunky Exp $	*/
2 
3 /*
4  * Copyright (c) 1998, 2008 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 <dev/midivar.h>
33 #include <dev/midisynvar.h>
34 
35 struct opl_voice {
36 	int voiceno;
37 	int iooffs;
38 	u_int8_t op[4];
39 	const struct opl_operators *patch;
40 	u_int8_t rB0;
41 };
42 
43 struct opl_softc {
44 	device_t dev;
45 	bus_space_tag_t iot;
46 	bus_space_handle_t ioh;
47 	kmutex_t *lock;
48 	int	offs;
49 	int	model;
50 #define OPL_2 2
51 #define OPL_3 3
52 	struct	midisyn syn;
53 	device_t sc_mididev;
54 
55 	struct opl_voice voices[OPL3_NVOICE];
56 	u_int8_t pan[MIDI_MAX_CHANS];
57 	u_int8_t panl, panr;
58 
59 	int	(*spkrctl)(void *, int);
60 	void	*spkrarg;
61 
62 #ifndef AUDIO_NO_POWER_CTL
63 	int	(*powerctl)(void *, int);
64 	void	*powerarg;
65 #endif
66 };
67 
68 /* for panpot */
69 #define OPL_MIDI_CENTER_MIN	(64 - 20)
70 #define OPL_MIDI_CENTER_MAX	(64 + 20)
71 
72 /* config flags */
73 #define OPL_FLAGS_SWAP_LR	0x0001	/* swap L and R channels */
74 
75 struct opl_attach_arg {
76 	bus_space_tag_t iot;
77 	bus_space_handle_t ioh;
78 	int offs;
79 	int done;
80 };
81 
82 struct opl_operators {
83 	u_int8_t opl3;
84 	u_int8_t ops[22];
85 #define OO_CHARS	0
86 #define OO_KSL_LEV	2
87 #define OO_ATT_DEC	4
88 #define OO_SUS_REL	6
89 #define OO_WAV_SEL	8
90 #define OO_FB_CONN	10
91 #define OO_4OP_OFFS	11
92 };
93 
94 #define OPL_NINSTR 256
95 
96 #ifdef _KERNEL
97 extern const struct opl_operators opl2_instrs[];
98 extern const struct opl_operators opl3_instrs[];
99 
100 int	opl_find(struct opl_softc *);
101 int	opl_match(bus_space_tag_t, bus_space_handle_t, int);
102 void	opl_attach(struct opl_softc *);
103 int	opl_detach(struct opl_softc *, int);
104 #endif
105