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34 lines
1.2 KiB
34 lines
1.2 KiB
20 years ago
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/*
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* Minor numbers for the sound driver.
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*
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* Unfortunately Creative called the codec chip of SB as a DSP. For this
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* reason the /dev/dsp is reserved for digitized audio use. There is a
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* device for true DSP processors but it will be called something else.
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* In v3.0 it's /dev/sndproc but this could be a temporary solution.
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*/
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#define SND_NDEVS 256 /* Number of supported devices */
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#define SND_DEV_CTL 0 /* Control port /dev/mixer */
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#define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM
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synthesizer and MIDI output) */
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#define SND_DEV_MIDIN 2 /* Raw midi access */
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#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
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#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
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#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
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#define SND_DEV_STATUS 6 /* /dev/sndstat */
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/* #7 not in use now. Was in 2.4. Free for use after v3.0. */
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#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
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#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
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#define SND_DEV_PSS SND_DEV_SNDPROC
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#define DSP_DEFAULT_SPEED 8000
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#define ON 1
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#define OFF 0
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#define MAX_AUDIO_DEV 5
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#define MAX_MIXER_DEV 2
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#define MAX_SYNTH_DEV 3
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#define MAX_MIDI_DEV 6
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#define MAX_TIMER_DEV 3
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