Annotation of sys/dev/ic/oplreg.h, Revision 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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