mcx_rd
mcx_rd(struct mcx_softc *, bus_size_t);
r = mcx_rd(sc, MCX_CMDQ_ADDR_LO);
fw0 = mcx_rd(sc, MCX_FW_VER);
fw1 = mcx_rd(sc, MCX_CMDIF_FW_SUBVER);
r = mcx_rd(sc, MCX_STATE);
hi = mcx_rd(sc, MCX_INTERNAL_TIMER_H);
lo = mcx_rd(sc, MCX_INTERNAL_TIMER_L);
ni = mcx_rd(sc, MCX_INTERNAL_TIMER_H);
return (mcx_rd(sc, MCX_INTERNAL_TIMER_L));