freebsd-dev/sys/i386/isa/sound/coproc.h

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/*
* Definitions for various on board processors on the soundcards. For
* example DSP processors.
*/
/*
* Coprocessor access types
*/
#define COPR_CUSTOM 0x0001 /* Custom applications */
#define COPR_MIDI 0x0002 /* MIDI (MPU-401) emulation */
#define COPR_PCM 0x0004 /* Digitized voice applications */
#define COPR_SYNTH 0x0008 /* Music synthesis */