siba_read_4
high = siba_read_4(sc->sc_dev, SIBA_TGSHIGH);
low = (siba_read_4(sc->sc_dev, SIBA_TGSLOW) | SIBA_TGSLOW_FGC) &
siba_read_4(sc->sc_dev, SIBA_TGSLOW);
siba_read_4(sc->sc_dev, SIBA_TGSLOW);
high = siba_read_4(sc->sc_dev, SIBA_TGSHIGH);
((siba_read_4(sc->sc_dev, SIBA_TGSLOW) & ~BWN_TGSLOW_SUPPORT_G) |
(siba_read_4(sc->sc_dev, SIBA_TGSLOW) & ~SIBA_TGSLOW_FGC));
tmp = siba_read_4(sc->sc_dev, SIBA_TGSLOW);
val = siba_read_4(sc->sc_dev, SIBA_TGSLOW);
#define BWN_READ_4(mac, o) (siba_read_4(mac->mac_sc->sc_dev, o))
uint32_t siba_read_4(device_t, uint16_t);