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

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 1997 Luigi Rizzo
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/12.0/sys/dev/sound/isa/ad1816.h 326255 2017-11-27 14:52:40Z pfg $
     */
    
    /*
     * This file contains information and macro definitions for
     * the ad1816 chip
     */
    
    /* AD1816 register macros */
    
    #define AD1816_ALE      0       /* indirect reg access          */
    #define AD1816_INT      1       /* interrupt status             */
    #define AD1816_LOW      2       /* indirect low byte            */
    #define AD1816_HIGH     3       /* indirect high byte           */
    
    #if 0
    #define ad1816_pioD(d) ((d)->io_base+4) /* PIO debug            */
    #define ad1816_pios(d) ((d)->io_base+5) /* PIO status           */
    #define ad1816_piod(d) ((d)->io_base+6) /* PIO data             */
    #endif
    
    /* values for playback/capture config:
       bits: 0   enable/disable
             1   pio/dma
             2   stereo/mono
             3   companded/linearPCM
             4-5 format : 00 8bit  linear (uncomp)
                          00 8bit  mulaw  (comp)
                          01 16bit le     (uncomp)
                          01 8bit  alaw   (comp)
                          11 16bit be     (uncomp)
    */
    
    #define AD1816_PLAY     8       /* playback config              */
    #define AD1816_CAPT     9       /* capture config               */
    
    #define AD1816_BUSY     0x80    /* chip is busy                 */
    #define AD1816_ALEMASK  0x3F    /* mask for indirect adr.       */
    
    #if 0
    #define AD1816_INTRSI   0x01    /* sb intr                      */
    #define AD1816_INTRGI   0x02    /* game intr                    */
    #define AD1816_INTRRI   0x04    /* ring intr                    */
    #define AD1816_INTRDI   0x08    /* dsp intr                     */
    #define AD1816_INTRVI   0x10    /* vol intr                     */
    #define AD1816_INTRTI   0x20    /* timer intr                   */
    #endif
    
    #define AD1816_INTRCI   0x40    /* capture intr                 */
    #define AD1816_INTRPI   0x80    /* playback intr                */
    /* PIO stuff is not supplied here */
    /* playback / capture config      */
    #define AD1816_ENABLE   0x01    /* enable pl/cp                 */
    #define AD1816_PIO      0x02    /* use pio                      */
    #define AD1816_STEREO   0x04
    #define AD1816_COMP     0x08    /* data is companded            */
    #define AD1816_U8       0x00    /* 8 bit linear pcm             */
    #define AD1816_MULAW    0x08    /* 8 bit mulaw                  */
    #define AD1816_ALAW     0x18    /* 8 bit alaw                   */
    #define AD1816_S16LE    0x10    /* 16 bit linear little endian  */
    #define AD1816_S16BE    0x30    /* 16 bit linear big endian     */
    #define AD1816_FORMASK  0x38    /* format mask                  */
    
    #define AD1816_REC_DEVICES      \
        (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
    
    #define AD1816_MIXER_DEVICES    \
        (SOUND_MASK_VOLUME | SOUND_MASK_PCM | SOUND_MASK_SYNTH | \
         SOUND_MASK_LINE   | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_IGAIN)
    

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