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  * (C) 1997 Luigi Rizzo (luigi@iet.unipi.it)
    3  *
    4  * This file contains information and macro definitions for
    5  * the ad1816 chip
    6  *
    7  * $FreeBSD: stable/4/sys/dev/sound/isa/ad1816.h 95264 2002-04-22 15:49:36Z cg $
    8  */
    9 
   10 /* AD1816 register macros */
   11 
   12 #define AD1816_ALE      0       /* indirect reg access          */
   13 #define AD1816_INT      1       /* interupt status              */
   14 #define AD1816_LOW      2       /* indirect low byte            */
   15 #define AD1816_HIGH     3       /* indirect high byte           */
   16 
   17 #if 0
   18 #define ad1816_pioD(d) ((d)->io_base+4) /* PIO debug            */
   19 #define ad1816_pios(d) ((d)->io_base+5) /* PIO status           */
   20 #define ad1816_piod(d) ((d)->io_base+6) /* PIO data             */
   21 #endif
   22 
   23 /* values for playback/capture config:
   24    bits: 0   enable/disable
   25          1   pio/dma
   26          2   stereo/mono
   27          3   companded/linearPCM
   28          4-5 format : 00 8bit  linear (uncomp)
   29                       00 8bit  mulaw  (comp)
   30                       01 16bit le     (uncomp)
   31                       01 8bit  alaw   (comp)
   32                       11 16bit be     (uncomp)
   33 */
   34 
   35 #define AD1816_PLAY     8       /* playback config              */
   36 #define AD1816_CAPT     9       /* capture config               */
   37 
   38 #define AD1816_BUSY     0x80    /* chip is busy                 */
   39 #define AD1816_ALEMASK  0x3F    /* mask for indirect adr.       */
   40 
   41 #if 0
   42 #define AD1816_INTRSI   0x01    /* sb intr                      */
   43 #define AD1816_INTRGI   0x02    /* game intr                    */
   44 #define AD1816_INTRRI   0x04    /* ring intr                    */
   45 #define AD1816_INTRDI   0x08    /* dsp intr                     */
   46 #define AD1816_INTRVI   0x10    /* vol intr                     */
   47 #define AD1816_INTRTI   0x20    /* timer intr                   */
   48 #endif
   49 
   50 #define AD1816_INTRCI   0x40    /* capture intr                 */
   51 #define AD1816_INTRPI   0x80    /* playback intr                */
   52 /* PIO stuff is not supplied here */
   53 /* playback / capture config      */
   54 #define AD1816_ENABLE   0x01    /* enable pl/cp                 */
   55 #define AD1816_PIO      0x02    /* use pio                      */
   56 #define AD1816_STEREO   0x04
   57 #define AD1816_COMP     0x08    /* data is companded            */
   58 #define AD1816_U8       0x00    /* 8 bit linear pcm             */
   59 #define AD1816_MULAW    0x08    /* 8 bit mulaw                  */
   60 #define AD1816_ALAW     0x18    /* 8 bit alaw                   */
   61 #define AD1816_S16LE    0x10    /* 16 bit linear little endian  */
   62 #define AD1816_S16BE    0x30    /* 16 bit linear big endian     */
   63 #define AD1816_FORMASK  0x38    /* format mask                  */
   64 
   65 #define AD1816_REC_DEVICES      \
   66     (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
   67 
   68 #define AD1816_MIXER_DEVICES    \
   69     (SOUND_MASK_VOLUME | SOUND_MASK_PCM | SOUND_MASK_SYNTH | \
   70      SOUND_MASK_LINE   | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_IGAIN)
   71 

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