at91twi_readreg
printf("%s: ckdiv=%d cxdiv=%d CWGR=0x%08X SR=0x%08X\n", device_xname(self), ckdiv, cxdiv, at91twi_readreg(sc, TWI_CWGR), at91twi_readreg(sc, TWI_SR));
sr = at91twi_readreg(sc, TWI_SR);
imr = at91twi_readreg(sc, TWI_IMR);
*sc->sc_data++ = at91twi_readreg(sc, TWI_RHR);
*sc->sc_data++ = at91twi_readreg(sc, TWI_RHR);
addr, iadr, at91twi_readreg(sc, TWI_MMR));
inline u_int at91twi_readreg(struct at91twi_softc *, int);