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Annotation of sys/dev/pci/neoreg.h, Revision 1.1.1.1

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