vic_read
vic_read(sc, VIC_Tx_ADDR);
return (vic_read(sc, VIC_CMD));
u_int32_t vic_read(struct vic_softc *, bus_size_t);
major = vic_read(sc, VIC_VERSION_MAJOR);
minor = vic_read(sc, VIC_VERSION_MINOR);
status = vic_read(sc, VIC_STATUS);