bwfm_sdio_clkstate
bwfm_sdio_clkctl(struct bwfm_sdio_softc *sc, enum bwfm_sdio_clkstate newstate,
enum bwfm_sdio_clkstate oldstate;
enum bwfm_sdio_clkstate, bool);
enum bwfm_sdio_clkstate sc_clkstate;