| | 1 | /* |
| | 2 | * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> |
| | 3 | * All rights reserved. |
| | 4 | * |
| | 5 | * Derived from the public domain Linux driver |
| | 6 | * |
| | 7 | * Redistribution and use in source and binary forms, with or without |
| | 8 | * modification, are permitted provided that the following conditions |
| | 9 | * are met: |
| | 10 | * 1. Redistributions of source code must retain the above copyright |
| | 11 | * notice, this list of conditions and the following disclaimer. |
| | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 13 | * notice, this list of conditions and the following disclaimer in the |
| | 14 | * documentation and/or other materials provided with the distribution. |
| | 15 | * |
| | 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| | 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| | 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT |
| | 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF |
| | 26 | * SUCH DAMAGE. |
| | 27 | * |
| | 28 | * $FreeBSD: src/sys/dev/sound/pci/neomagic.h,v 1.1.2.2 2002/04/22 15:49:32 cg Exp $ |
| | 29 | */ |
| | 30 | |
| | 31 | #ifndef _NM256_H_ |
| | 32 | #define _NM256_H_ |
| | 33 | |
| | 34 | /* The BIOS signature. */ |
| | 35 | #define NM_SIGNATURE 0x4e4d0000 |
| | 36 | /* Signature mask. */ |
| | 37 | #define NM_SIG_MASK 0xffff0000 |
| | 38 | |
| | 39 | /* Size of the second memory area. */ |
| | 40 | #define NM_PORT2_SIZE 4096 |
| | 41 | |
| | 42 | /* The base offset of the mixer in the second memory area. */ |
| | 43 | #define NM_MIXER_OFFSET 0x600 |
| | 44 | |
| | 45 | /* The base offset for the AC97 test */ |
| | 46 | #define NM_MIXER_PRESENCE 0xa06 |
| | 47 | #define NM_PRESENCE_MASK 0x050 |
| | 48 | #define NM_PRESENCE_VALUE 0x040 |
| | 49 | |
| | 50 | /* The maximum size of a coefficient entry. */ |
| | 51 | #define NM_MAX_COEFFICIENT 0x5000 |
| | 52 | |
| | 53 | /* The interrupt register. */ |
| | 54 | #define NM_INT_REG 0xa04 |
| | 55 | /* And its bits. */ |
| | 56 | #define NM_PLAYBACK_INT 0x40 |
| | 57 | #define NM_RECORD_INT 0x100 |
| | 58 | #define NM_MISC_INT_1 0x4000 |
| | 59 | #define NM_MISC_INT_2 0x1 |
| | 60 | |
| | 61 | /* The AV's "mixer ready" status bit and location. */ |
| | 62 | #define NM_MIXER_STATUS_OFFSET 0xa04 |
| | 63 | #define NM_MIXER_READY_MASK 0x0800 |
| | 64 | |
| | 65 | /* |
| | 66 | * For the ZX. It uses the same interrupt register, but it holds 32 |
| | 67 | * bits instead of 16. |
| | 68 | */ |
| | 69 | #define NM2_PLAYBACK_INT 0x10000 |
| | 70 | #define NM2_RECORD_INT 0x80000 |
| | 71 | #define NM2_MISC_INT_1 0x8 |
| | 72 | #define NM2_MISC_INT_2 0x2 |
| | 73 | |
| | 74 | /* The ZX's "mixer ready" status bit and location. */ |
| | 75 | #define NM2_MIXER_STATUS_OFFSET 0xa06 |
| | 76 | #define NM2_MIXER_READY_MASK 0x0800 |
| | 77 | |
| | 78 | /* The playback registers start from here. */ |
| | 79 | #define NM_PLAYBACK_REG_OFFSET 0x0 |
| | 80 | /* The record registers start from here. */ |
| | 81 | #define NM_RECORD_REG_OFFSET 0x200 |
| | 82 | |
| | 83 | /* The rate register is located 2 bytes from the start of the register area. */ |
| | 84 | #define NM_RATE_REG_OFFSET 2 |
| | 85 | |
| | 86 | /* Mono/stereo flag, number of bits on playback, and rate mask. */ |
| | 87 | #define NM_RATE_STEREO 1 |
| | 88 | #define NM_RATE_BITS_16 2 |
| | 89 | #define NM_RATE_MASK 0xf0 |
| | 90 | |
| | 91 | /* Playback enable register. */ |
| | 92 | #define NM_PLAYBACK_ENABLE_REG (NM_PLAYBACK_REG_OFFSET + 0x1) |
| | 93 | #define NM_PLAYBACK_ENABLE_FLAG 1 |
| | 94 | #define NM_PLAYBACK_ONESHOT 2 |
| | 95 | #define NM_PLAYBACK_FREERUN 4 |
| | 96 | |
| | 97 | /* Mutes the audio output. */ |
| | 98 | #define NM_AUDIO_MUTE_REG (NM_PLAYBACK_REG_OFFSET + 0x18) |
| | 99 | #define NM_AUDIO_MUTE_LEFT 0x8000 |
| | 100 | #define NM_AUDIO_MUTE_RIGHT 0x0080 |
| | 101 | #define NM_AUDIO_MUTE_BOTH 0x8080 |
| | 102 | |
| | 103 | /* Recording enable register. */ |
| | 104 | #define NM_RECORD_ENABLE_REG (NM_RECORD_REG_OFFSET + 0) |
| | 105 | #define NM_RECORD_ENABLE_FLAG 1 |
| | 106 | #define NM_RECORD_FREERUN 2 |
| | 107 | |
| | 108 | #define NM_RBUFFER_START (NM_RECORD_REG_OFFSET + 0x4) |
| | 109 | #define NM_RBUFFER_END (NM_RECORD_REG_OFFSET + 0x10) |
| | 110 | #define NM_RBUFFER_WMARK (NM_RECORD_REG_OFFSET + 0xc) |
| | 111 | #define NM_RBUFFER_CURRP (NM_RECORD_REG_OFFSET + 0x8) |
| | 112 | |
| | 113 | #define NM_PBUFFER_START (NM_PLAYBACK_REG_OFFSET + 0x4) |
| | 114 | #define NM_PBUFFER_END (NM_PLAYBACK_REG_OFFSET + 0x14) |
| | 115 | #define NM_PBUFFER_WMARK (NM_PLAYBACK_REG_OFFSET + 0xc) |
| | 116 | #define NM_PBUFFER_CURRP (NM_PLAYBACK_REG_OFFSET + 0x8) |
| | 117 | |
| | 118 | |
| | 119 | #endif |
projects / dragonfly.git / blame_incremental