1 | /* $NetBSD: oplreg.h,v 1.6 2008/04/28 20:23:51 martin Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1997 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 | /* Offsets from base address */ |
33 | #define OPL_L 0 |
34 | #define OPL_R 2 |
35 | |
36 | /* Offsets from base+[OPL_L|OPL_R] */ |
37 | #define OPL_STATUS 0 |
38 | #define OPL_STATUS_IRQ 0x80 |
39 | #define OPL_STATUS_FT1 0x40 |
40 | #define OPL_STATUS_FT2 0x20 |
41 | #define OPL_STATUS_MASK 0xE0 |
42 | #define OPL_ADDR 0 |
43 | #define OPL_DATA 1 |
44 | |
45 | #define OPL_TEST 0x01 |
46 | #define OPL_ENABLE_WAVE_SELECT 0x20 |
47 | |
48 | #define OPL_TIMER1 0x02 |
49 | #define OPL_TIMER2 0x03 |
50 | |
51 | #define OPL_TIMER_CONTROL 0x04 /* Left */ |
52 | #define OPL_TIMER1_START 0x01 |
53 | #define OPL_TIMER2_START 0x02 |
54 | #define OPL_TIMER2_MASK 0x20 |
55 | #define OPL_TIMER1_MASK 0x40 |
56 | #define OPL_IRQ_RESET 0x80 |
57 | |
58 | #define OPL_CONNECTION_SELECT 0x04 /* Right */ |
59 | #define OPL_NOCONNECTION 0x00 |
60 | #define OPL_R_4OP_0 0x01 |
61 | #define OPL_R_4OP_1 0x02 |
62 | #define OPL_R_4OP_2 0x04 |
63 | #define OPL_L_4OP_0 0x08 |
64 | #define OPL_L_4OP_1 0x10 |
65 | #define OPL_L_4OP_2 0x20 |
66 | |
67 | #define OPL_MODE 0x05 /* Right */ |
68 | #define OPL3_ENABLE 0x01 |
69 | #define OPL4_ENABLE 0x02 |
70 | |
71 | #define OPL_KBD_SPLIT 0x08 /* Left */ |
72 | #define OPL_KEYBOARD_SPLIT 0x40 |
73 | #define OPL_COMPOSITE_SINE_WAVE_MODE 0x80 |
74 | |
75 | #define OPL_PERCUSSION 0xbd /* Left */ |
76 | #define OPL_NOPERCUSSION 0x00 |
77 | #define OPL_HIHAT 0x01 |
78 | #define OPL_CYMBAL 0x02 |
79 | #define OPL_TOMTOM 0x04 |
80 | #define OPL_SNAREDRUM 0x08 |
81 | #define OPL_BASSDRUM 0x10 |
82 | #define OPL_PERCUSSION_ENABLE 0x20 |
83 | #define OPL_VIBRATO_DEPTH 0x40 |
84 | #define OPL_TREMOLO_DEPTH 0x80 |
85 | |
86 | /* |
87 | * Offsets to the register banks for operators. |
88 | */ |
89 | /* AM/VIB/EG/KSR/Multiple (0x20 to 0x35) */ |
90 | #define OPL_AM_VIB 0x20 |
91 | #define OPL_KSR 0x10 |
92 | #define OPL_SUSTAIN 0x20 |
93 | #define OPL_VIBRATO 0x40 |
94 | #define OPL_TREMOLO 0x80 |
95 | #define OPL_MULTIPLE_MASK 0x0f |
96 | |
97 | /* KSL/Total level (0x40 to 0x55) */ |
98 | #define OPL_KSL_LEVEL 0x40 |
99 | #define OPL_KSL_MASK 0xc0 /* Envelope scaling bits */ |
100 | #define OPL_TOTAL_LEVEL_MASK 0x3f /* Strength (volume) of OP */ |
101 | |
102 | /* Attack / Decay rate (0x60 to 0x75) */ |
103 | #define OPL_ATTACK_DECAY 0x60 |
104 | #define OPL_ATTACK_MASK 0xf0 |
105 | #define DECAY_MASK 0x0f |
106 | |
107 | /* Sustain level / Release rate (0x80 to 0x95) */ |
108 | #define OPL_SUSTAIN_RELEASE 0x80 |
109 | #define OPL_SUSTAIN_MASK 0xf0 |
110 | #define OPL_RELEASE_MASK 0x0f |
111 | |
112 | /* Wave select (0xE0 to 0xF5) */ |
113 | #define OPL_WAVE_SELECT 0xe0 |
114 | |
115 | #define OPL_MAXREG 0xf5 |
116 | |
117 | /* |
118 | * Offsets to the register banks for voices. |
119 | */ |
120 | /* F-Number low bits (0xA0 to 0xA8). */ |
121 | #define OPL_FNUM_LOW 0xa0 |
122 | |
123 | /* F-number high bits / Key on / Block (octave) (0xB0 to 0xB8) */ |
124 | #define OPL_KEYON_BLOCK 0xb0 |
125 | #define OPL_KEYON_BIT 0x20 |
126 | #define OPL_BLOCKNUM_MASK 0x1c |
127 | #define OPL_FNUM_HIGH_MASK 0x03 |
128 | |
129 | /* Feedback / Connection (0xc0 to 0xc8) */ |
130 | #define OPL_FEEDBACK_CONNECTION 0xc0 |
131 | #define OPL_FEEDBACK_MASK 0x0e |
132 | #define OPL_CONNECTION_BIT 0x01 |
133 | #define OPL_STEREO_BITS 0x30 /* OPL-3 only */ |
134 | #define OPL_VOICE_TO_LEFT 0x10 |
135 | #define OPL_VOICE_TO_RIGHT 0x20 |
136 | |
137 | #define OPL2_NVOICE 9 |
138 | #define OPL3_NVOICE 18 |
139 | |