TS_TXQ_RDY
ldcp->tstate |= TS_TXQ_RDY;
if (ldcp->tstate & TS_TXQ_RDY)
ldcp->tstate &= ~TS_TXQ_RDY;
#define TS_INIT (TS_TXQ_RDY | TS_RXQ_RDY)