BWI_PCIR_GPIO_OUT
gpio_out = (sc->sc_conf_read)(sc, BWI_PCIR_GPIO_OUT);
(sc->sc_conf_write)(sc, BWI_PCIR_GPIO_OUT, gpio_out);
(sc->sc_conf_write)(sc, BWI_PCIR_GPIO_OUT, gpio_out);
gpio_out = (sc->sc_conf_read)(sc, BWI_PCIR_GPIO_OUT);
(sc->sc_conf_write)(sc, BWI_PCIR_GPIO_OUT, gpio_out);
val = (sc->sc_conf_read)(sc, BWI_PCIR_GPIO_OUT);