RTCIIC_SDAW
sc->sc_bops.ibo_bits[I2C_BIT_SDA] = RTCIIC_SDAW;
(bits == (RTCIIC_SDAW | RTCIIC_SCL)) ? "set SDA/SCL" :
((bits == RTCIIC_SDAW) ? "set SDA" :
rv |= RTCIIC_SDAW;
(rv == (RTCIIC_SDAW | RTCIIC_SCL)) ? "SDA/SCL" :
((rv == RTCIIC_SDAW) ? "SDA" :