72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
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/*
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* (C) 1997 Luigi Rizzo (luigi@iet.unipi.it)
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*
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* This file contains information and macro definitions for
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* the ad1816 chip
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*
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* $FreeBSD$
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*/
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/* AD1816 register macros */
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#define AD1816_ALE 0 /* indirect reg access */
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#define AD1816_INT 1 /* interupt status */
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#define AD1816_LOW 2 /* indirect low byte */
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#define AD1816_HIGH 3 /* indirect high byte */
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#if 0
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#define ad1816_pioD(d) ((d)->io_base+4) /* PIO debug */
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#define ad1816_pios(d) ((d)->io_base+5) /* PIO status */
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#define ad1816_piod(d) ((d)->io_base+6) /* PIO data */
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#endif
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/* values for playback/capture config:
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bits: 0 enable/disable
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1 pio/dma
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2 stereo/mono
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3 companded/linearPCM
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4-5 format : 00 8bit linear (uncomp)
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00 8bit mulaw (comp)
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01 16bit le (uncomp)
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01 8bit alaw (comp)
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11 16bit be (uncomp)
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*/
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#define AD1816_PLAY 8 /* playback config */
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#define AD1816_CAPT 9 /* capture config */
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#define AD1816_BUSY 0x80 /* chip is busy */
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#define AD1816_ALEMASK 0x3F /* mask for indirect adr. */
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#if 0
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#define AD1816_INTRSI 0x01 /* sb intr */
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#define AD1816_INTRGI 0x02 /* game intr */
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#define AD1816_INTRRI 0x04 /* ring intr */
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#define AD1816_INTRDI 0x08 /* dsp intr */
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#define AD1816_INTRVI 0x10 /* vol intr */
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#define AD1816_INTRTI 0x20 /* timer intr */
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#endif
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#define AD1816_INTRCI 0x40 /* capture intr */
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#define AD1816_INTRPI 0x80 /* playback intr */
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/* PIO stuff is not supplied here */
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/* playback / capture config */
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#define AD1816_ENABLE 0x01 /* enable pl/cp */
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#define AD1816_PIO 0x02 /* use pio */
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#define AD1816_STEREO 0x04
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#define AD1816_COMP 0x08 /* data is companded */
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#define AD1816_U8 0x00 /* 8 bit linear pcm */
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#define AD1816_MULAW 0x08 /* 8 bit mulaw */
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#define AD1816_ALAW 0x18 /* 8 bit alaw */
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#define AD1816_S16LE 0x10 /* 16 bit linear little endian */
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#define AD1816_S16BE 0x30 /* 16 bit linear big endian */
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#define AD1816_FORMASK 0x38 /* format mask */
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#define AD1816_REC_DEVICES \
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(SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD)
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#define AD1816_MIXER_DEVICES \
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(SOUND_MASK_VOLUME | SOUND_MASK_PCM | SOUND_MASK_SYNTH | \
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SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD | SOUND_MASK_IGAIN)
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