The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/ad1816.h

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    1 /*-
    2  * Copyright (c) 1997 Luigi Rizzo
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/11.0/sys/dev/sound/isa/ad1816.h 172568 2007-10-12 06:03:46Z kevlo $
   27  */
   28 
   29 /*
   30  * This file contains information and macro definitions for
   31  * the ad1816 chip
   32  */
   33 
   34 /* AD1816 register macros */
   35 
   36 #define AD1816_ALE      0       /* indirect reg access          */
   37 #define AD1816_INT      1       /* interrupt status             */
   38 #define AD1816_LOW      2       /* indirect low byte            */
   39 #define AD1816_HIGH     3       /* indirect high byte           */
   40 
   41 #if 0
   42 #define ad1816_pioD(d) ((d)->io_base+4) /* PIO debug            */
   43 #define ad1816_pios(d) ((d)->io_base+5) /* PIO status           */
   44 #define ad1816_piod(d) ((d)->io_base+6) /* PIO data             */
   45 #endif
   46 
   47 /* values for playback/capture config:
   48    bits: 0   enable/disable
   49          1   pio/dma
   50          2   stereo/mono
   51          3   companded/linearPCM
   52          4-5 format : 00 8bit  linear (uncomp)
   53                       00 8bit  mulaw  (comp)
   54                       01 16bit le     (uncomp)
   55                       01 8bit  alaw   (comp)
   56                       11 16bit be     (uncomp)
   57 */
   58 
   59 #define AD1816_PLAY     8       /* playback config              */
   60 #define AD1816_CAPT     9       /* capture config               */
   61 
   62 #define AD1816_BUSY     0x80    /* chip is busy                 */
   63 #define AD1816_ALEMASK  0x3F    /* mask for indirect adr.       */
   64 
   65 #if 0
   66 #define AD1816_INTRSI   0x01    /* sb intr                      */
   67 #define AD1816_INTRGI   0x02    /* game intr                    */
   68 #define AD1816_INTRRI   0x04    /* ring intr                    */
   69 #define AD1816_INTRDI   0x08    /* dsp intr                     */
   70 #define AD1816_INTRVI   0x10    /* vol intr                     */
   71 #define AD1816_INTRTI   0x20    /* timer intr                   */
   72 #endif
   73 
   74 #define AD1816_INTRCI   0x40    /* capture intr                 */
   75 #define AD1816_INTRPI   0x80    /* playback intr                */
   76 /* PIO stuff is not supplied here */
   77 /* playback / capture config      */
   78 #define AD1816_ENABLE   0x01    /* enable pl/cp                 */
   79 #define AD1816_PIO      0x02    /* use pio                      */
   80 #define AD1816_STEREO   0x04
   81 #define AD1816_COMP     0x08    /* data is companded            */
   82 #define AD1816_U8       0x00    /* 8 bit linear pcm             */
   83 #define AD1816_MULAW    0x08    /* 8 bit mulaw                  */
   84 #define AD1816_ALAW     0x18    /* 8 bit alaw                   */
   85 #define AD1816_S16LE    0x10    /* 16 bit linear little endian  */
   86 #define AD1816_S16BE    0x30    /* 16 bit linear big endian     */
   87 #define AD1816_FORMASK  0x38    /* format mask                  */
   88 
   89 #define AD1816_REC_DEVICES      \
   90     (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
   91 
   92 #define AD1816_MIXER_DEVICES    \
   93     (SOUND_MASK_VOLUME | SOUND_MASK_PCM | SOUND_MASK_SYNTH | \
   94      SOUND_MASK_LINE   | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_IGAIN)
   95 

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