PP_LineCTL
writereg(dev, PP_LineCTL, lp->linectl | AUTO_AUI_10BASET);
writereg(dev, PP_LineCTL,
readreg(dev, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON);
i = readreg(dev, PP_LineCTL);
writereg(dev, PP_LineCTL, readreg(dev, PP_LineCTL) | SERIAL_TX_ON);
writereg(dev, PP_LineCTL, lp->linectl & ~AUI_ONLY);
writereg(dev, PP_LineCTL, (lp->linectl & ~AUTO_AUI_10BASET) | AUI_ONLY);
writereg(dev, PP_LineCTL, (lp->linectl & ~AUTO_AUI_10BASET) | AUI_ONLY);
writereg(dev, PP_LineCTL,
readreg(dev, PP_LineCTL) & ~(SERIAL_TX_ON | SERIAL_RX_ON));
writereg(dev, PP_LineCTL, readreg(dev, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON);