tws_read_reg
reg = tws_read_reg(sc, TWS_I2O0_HIMASK, 4);
reg = tws_read_reg(sc, TWS_I2O0_CTL, 4);
histat = tws_read_reg(sc, TWS_I2O0_HISTAT, 4);
db = tws_read_reg(sc, TWS_I2O0_IOBDB, 4);
(void)tws_read_reg(sc, TWS_I2O0_IOBDB, 4);
(void)tws_read_reg(sc, TWS_I2O0_IOBDB, 4);
reg = tws_read_reg(sc, TWS_I2O0_SCRPD3, 4);
status = tws_read_reg(sc, TWS_I2O0_STATUS, 4);
status = tws_read_reg(sc, TWS_I2O0_STATUS, 4);
regh = tws_read_reg(sc, TWS_I2O0_HIBQPH, 4);
regl = tws_read_reg(sc, TWS_I2O0_HIBQPL, 4);
out_mfa = (u_int64_t)tws_read_reg(sc, TWS_I2O0_HOBQPH, 4);
val = tws_read_reg(sc, TWS_I2O0_HOBQPL, 4);
reg = tws_read_reg(sc, TWS_I2O0_SCRPD3, 4);
reg = tws_read_reg(sc, TWS_I2O0_HIMASK, 4);
reg = tws_read_reg(sc, TWS_I2O0_HIMASK, 4);
reg = tws_read_reg(sc, TWS_I2O0_SCRPD3, 4);
reg = tws_read_reg(sc, TWS_I2O0_HIBDB, 4);
regh = tws_read_reg(sc, TWS_I2O0_IOPOBQPH, 4);
regl = tws_read_reg(sc, TWS_I2O0_IOPOBQPL, 4);
u_int32_t tws_read_reg(struct tws_softc *sc,