WPT_TSEL
if (WPT_TSEL_ETS & readb(ptd->hw_base + WPT_TSEL)) {
tsel = readb(ptd->hw_base + WPT_TSEL);
writeb(tsel|WPT_TSEL_ETS, ptd->hw_base + WPT_TSEL);
if (!(WPT_TSEL_ETS & readb(ptd->hw_base + WPT_TSEL))) {
tsel = readb(ptd->hw_base + WPT_TSEL);
writeb(tsel & 0xFE, ptd->hw_base + WPT_TSEL);
tsel = readb(ptd->hw_base + WPT_TSEL);
writeb(tsel | WPT_TSEL_ETS, ptd->hw_base + WPT_TSEL);