1/* $NetBSD: oplreg.h,v 1.5 2005/12/11 12:21:28 christos 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