NetBSD/sys/dev/spkrvar.h

33 lines
919 B
C

/* $NetBSD: spkrvar.h,v 1.9.22.1 2021/04/03 22:28:43 thorpej Exp $ */
#ifndef _SYS_DEV_SPKRVAR_H
#define _SYS_DEV_SPKRVAR_H
#include <sys/module.h>
struct spkr_softc {
device_t sc_dev;
device_t sc_wsbelldev;
int sc_octave; /* currently selected octave */
int sc_whole; /* whole-note time at current tempo, in ticks */
int sc_value; /* whole divisor for note time, quarter note = 1 */
int sc_fill; /* controls spacing of notes */
bool sc_octtrack; /* octave-tracking on? */
bool sc_octprefix; /* override current octave-tracking state? */
char *sc_inbuf;
/* attachment-specific hooks */
void (*sc_tone)(device_t, u_int, u_int);
u_int sc_vol; /* volume - only for audio skpr */
};
void spkr_attach(device_t, void (*)(device_t, u_int, u_int));
int spkr_detach(device_t, int);
int spkr_rescan(device_t, const char *, const int *);
int spkr_childdet(device_t, device_t);
#endif /* _SYS_DEV_SPKRVAR_H */