Annotation of sys/dev/ic/oplreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: oplreg.h,v 1.1 1999/01/02 00:02:40 niklas Exp $ */
2: /* $NetBSD: oplreg.h,v 1.3 1998/11/25 22:17:06 augustss Exp $ */
3:
4: /*
5: * Copyright (c) 1997 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Lennart Augustsson (augustss@netbsd.org).
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /* Offsets from base address */
41: #define OPL_L 0
42: #define OPL_R 2
43:
44: /* Offsets from base+[OPL_L|OPL_R] */
45: #define OPL_STATUS 0
46: #define OPL_STATUS_IRQ 0x80
47: #define OPL_STATUS_FT1 0x40
48: #define OPL_STATUS_FT2 0x20
49: #define OPL_STATUS_MASK 0xE0
50: #define OPL_ADDR 0
51: #define OPL_DATA 1
52:
53: #define OPL_TEST 0x01
54: #define OPL_ENABLE_WAVE_SELECT 0x20
55:
56: #define OPL_TIMER1 0x02
57: #define OPL_TIMER2 0x03
58:
59: #define OPL_TIMER_CONTROL 0x04 /* Left */
60: #define OPL_TIMER1_START 0x01
61: #define OPL_TIMER2_START 0x02
62: #define OPL_TIMER2_MASK 0x20
63: #define OPL_TIMER1_MASK 0x40
64: #define OPL_IRQ_RESET 0x80
65:
66: #define OPL_CONNECTION_SELECT 0x04 /* Right */
67: #define OPL_NOCONNECTION 0x00
68: #define OPL_R_4OP_0 0x01
69: #define OPL_R_4OP_1 0x02
70: #define OPL_R_4OP_2 0x04
71: #define OPL_L_4OP_0 0x08
72: #define OPL_L_4OP_1 0x10
73: #define OPL_L_4OP_2 0x20
74:
75: #define OPL_MODE 0x05 /* Right */
76: #define OPL3_ENABLE 0x01
77: #define OPL4_ENABLE 0x02
78:
79: #define OPL_KBD_SPLIT 0x08 /* Left */
80: #define OPL_KEYBOARD_SPLIT 0x40
81: #define OPL_COMPOSITE_SINE_WAVE_MODE 0x80
82:
83: #define OPL_PERCUSSION 0xbd /* Left */
84: #define OPL_NOPERCUSSION 0x00
85: #define OPL_HIHAT 0x01
86: #define OPL_CYMBAL 0x02
87: #define OPL_TOMTOM 0x04
88: #define OPL_SNAREDRUM 0x08
89: #define OPL_BASSDRUM 0x10
90: #define OPL_PERCUSSION_ENABLE 0x20
91: #define OPL_VIBRATO_DEPTH 0x40
92: #define OPL_TREMOLO_DEPTH 0x80
93:
94: /*
95: * Offsets to the register banks for operators.
96: */
97: /* AM/VIB/EG/KSR/Multiple (0x20 to 0x35) */
98: #define OPL_AM_VIB 0x20
99: #define OPL_KSR 0x10
100: #define OPL_SUSTAIN 0x20
101: #define OPL_VIBRATO 0x40
102: #define OPL_TREMOLO 0x80
103: #define OPL_MULTIPLE_MASK 0x0f
104:
105: /* KSL/Total level (0x40 to 0x55) */
106: #define OPL_KSL_LEVEL 0x40
107: #define OPL_KSL_MASK 0xc0 /* Envelope scaling bits */
108: #define OPL_TOTAL_LEVEL_MASK 0x3f /* Strength (volume) of OP */
109:
110: /* Attack / Decay rate (0x60 to 0x75) */
111: #define OPL_ATTACK_DECAY 0x60
112: #define OPL_ATTACK_MASK 0xf0
113: #define DECAY_MASK 0x0f
114:
115: /* Sustain level / Release rate (0x80 to 0x95) */
116: #define OPL_SUSTAIN_RELEASE 0x80
117: #define OPL_SUSTAIN_MASK 0xf0
118: #define OPL_RELEASE_MASK 0x0f
119:
120: /* Wave select (0xE0 to 0xF5) */
121: #define OPL_WAVE_SELECT 0xe0
122:
123: #define OPL_MAXREG 0xf5
124:
125: /*
126: * Offsets to the register banks for voices.
127: */
128: /* F-Number low bits (0xA0 to 0xA8). */
129: #define OPL_FNUM_LOW 0xa0
130:
131: /* F-number high bits / Key on / Block (octave) (0xB0 to 0xB8) */
132: #define OPL_KEYON_BLOCK 0xb0
133: #define OPL_KEYON_BIT 0x20
134: #define OPL_BLOCKNUM_MASK 0x1c
135: #define OPL_FNUM_HIGH_MASK 0x03
136:
137: /* Feedback / Connection (0xc0 to 0xc8) */
138: #define OPL_FEEDBACK_CONNECTION 0xc0
139: #define OPL_FEEDBACK_MASK 0x0e
140: #define OPL_CONNECTION_BIT 0x01
141: #define OPL_STEREO_BITS 0x30 /* OPL-3 only */
142: #define OPL_VOICE_TO_LEFT 0x10
143: #define OPL_VOICE_TO_RIGHT 0x20
144:
145: #define OPL2_NVOICE 9
146: #define OPL3_NVOICE 18
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