coproc.h

linux 内核源代码

/*
 * Definitions for various on board processors on the sound cards. 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 */