fanpwr_softc
struct fanpwr_softc *sc = (struct fanpwr_softc *)self;
fanpwr_read(struct fanpwr_softc *sc, int reg)
fanpwr_write(struct fanpwr_softc *sc, int reg, uint8_t val)
struct fanpwr_softc *sc = cookie;
struct fanpwr_softc *sc = cookie;
sizeof(struct fanpwr_softc), fanpwr_match, fanpwr_attach
uint8_t fanpwr_read(struct fanpwr_softc *, int);
void fanpwr_write(struct fanpwr_softc *, int, uint8_t);