vrbcu_softc
vrbcu_write(struct vrbcu_softc *sc, int port, unsigned short val)
vrbcu_read(struct vrbcu_softc *sc, int port)
struct vrbcu_softc *sc = device_private(self);
struct vrbcu_softc *sc = the_bcu_sc;
static void vrbcu_write(struct vrbcu_softc *, int, unsigned short);
static unsigned short vrbcu_read(struct vrbcu_softc *, int);
CFATTACH_DECL_NEW(vrbcu, sizeof(struct vrbcu_softc),
struct vrbcu_softc *the_bcu_sc = NULL;