| 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 | |