Annotation of sys/dev/pci/neoreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: neoreg.h,v 1.2 2004/11/22 04:27:14 deraadt Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
! 5: * All rights reserved.
! 6: *
! 7: * Derived from the public domain Linux driver
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: *
! 18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 19: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 21: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 22: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 23: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 24: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 25: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
! 26: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 27: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
! 28: * SUCH DAMAGE.
! 29: *
! 30: * $FreeBSD$
! 31: */
! 32:
! 33: #ifndef _NM256_H_
! 34: #define _NM256_H_
! 35:
! 36: /* The BIOS signature. */
! 37: #define NM_SIGNATURE 0x4e4d0000
! 38: /* Signature mask. */
! 39: #define NM_SIG_MASK 0xffff0000
! 40:
! 41: /* Size of the second memory area. */
! 42: #define NM_PORT2_SIZE 4096
! 43:
! 44: /* The base offset of the mixer in the second memory area. */
! 45: #define NM_MIXER_OFFSET 0x600
! 46:
! 47: /* The maximum size of a coefficient entry. */
! 48: #define NM_MAX_COEFFICIENT 0x5000
! 49:
! 50: /* The interrupt register. */
! 51: #define NM_INT_REG 0xa04
! 52: /* And its bits. */
! 53: #define NM_PLAYBACK_INT 0x40
! 54: #define NM_RECORD_INT 0x100
! 55: #define NM_MISC_INT_1 0x4000
! 56: #define NM_MISC_INT_2 0x1
! 57:
! 58: /* The AV's "mixer ready" status bit and location. */
! 59: #define NM_MIXER_STATUS_OFFSET 0xa04
! 60: #define NM_MIXER_READY_MASK 0x0800
! 61:
! 62: /*
! 63: * For the ZX. It uses the same interrupt register, but it holds 32
! 64: * bits instead of 16.
! 65: */
! 66: #define NM2_PLAYBACK_INT 0x10000
! 67: #define NM2_RECORD_INT 0x80000
! 68: #define NM2_MISC_INT_1 0x8
! 69: #define NM2_MISC_INT_2 0x2
! 70:
! 71: /* The ZX's "mixer ready" status bit and location. */
! 72: #define NM2_MIXER_STATUS_OFFSET 0xa06
! 73: #define NM2_MIXER_READY_MASK 0x0800
! 74:
! 75: /* The playback registers start from here. */
! 76: #define NM_PLAYBACK_REG_OFFSET 0x0
! 77: /* The record registers start from here. */
! 78: #define NM_RECORD_REG_OFFSET 0x200
! 79:
! 80: /* The rate register is located 2 bytes from the start of the register area. */
! 81: #define NM_RATE_REG_OFFSET 2
! 82:
! 83: /* Mono/stereo flag, number of bits on playback, and rate mask. */
! 84: #define NM_RATE_STEREO 1
! 85: #define NM_RATE_BITS_16 2
! 86: #define NM_RATE_MASK 0xf0
! 87:
! 88: /* Playback enable register. */
! 89: #define NM_PLAYBACK_ENABLE_REG (NM_PLAYBACK_REG_OFFSET + 0x1)
! 90: #define NM_PLAYBACK_ENABLE_FLAG 1
! 91: #define NM_PLAYBACK_ONESHOT 2
! 92: #define NM_PLAYBACK_FREERUN 4
! 93:
! 94: /* Mutes the audio output. */
! 95: #define NM_AUDIO_MUTE_REG (NM_PLAYBACK_REG_OFFSET + 0x18)
! 96: #define NM_AUDIO_MUTE_LEFT 0x8000
! 97: #define NM_AUDIO_MUTE_RIGHT 0x0080
! 98: #define NM_AUDIO_MUTE_BOTH 0x8080
! 99:
! 100: /* Recording enable register. */
! 101: #define NM_RECORD_ENABLE_REG (NM_RECORD_REG_OFFSET + 0)
! 102: #define NM_RECORD_ENABLE_FLAG 1
! 103: #define NM_RECORD_FREERUN 2
! 104:
! 105: #define NM_RBUFFER_START (NM_RECORD_REG_OFFSET + 0x4)
! 106: #define NM_RBUFFER_END (NM_RECORD_REG_OFFSET + 0x10)
! 107: #define NM_RBUFFER_WMARK (NM_RECORD_REG_OFFSET + 0xc)
! 108: #define NM_RBUFFER_CURRP (NM_RECORD_REG_OFFSET + 0x8)
! 109:
! 110: #define NM_PBUFFER_START (NM_PLAYBACK_REG_OFFSET + 0x4)
! 111: #define NM_PBUFFER_END (NM_PLAYBACK_REG_OFFSET + 0x14)
! 112: #define NM_PBUFFER_WMARK (NM_PLAYBACK_REG_OFFSET + 0xc)
! 113: #define NM_PBUFFER_CURRP (NM_PLAYBACK_REG_OFFSET + 0x8)
! 114:
! 115: #define NM_TOTAL_COEFF_COUNT 0x3158
! 116:
! 117: #define NM_COEFF_SIZES 2*8
! 118:
! 119: struct neo_firmware {
! 120: const u_int16_t coefficientSizes[NM_COEFF_SIZES];
! 121: const char coefficients[NM_TOTAL_COEFF_COUNT*4];
! 122: };
! 123:
! 124:
! 125: #endif
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