stsec_softc
sizeof(struct stsec_softc), stsec_match, stsec_attach
int stsec_read(struct stsec_softc *, uint, int *);
int stsec_write(struct stsec_softc *, uint, int);
struct stsec_softc *sc = (struct stsec_softc *)self;
stsec_read(struct stsec_softc *sc, uint reg, int *value)
stsec_write(struct stsec_softc *sc, uint reg, int val)
struct stsec_softc *sc = (struct stsec_softc *)vsc;