Lines Matching defs:iir
2374 u_char lsr, iir;
2382 iir = CSR_READ_1(regsp, COM_REG_IIR);
2386 (iir & IIR_BUSY) == IIR_BUSY) {
2398 iir = CSR_READ_1(regsp, COM_REG_IIR);
2403 (iir & IIR_BUSY) == IIR_BUSY) {
2440 if (ISSET(iir, IIR_NOPEND)) {
2466 if (sc->sc_type == COM_TYPE_BCMAUXUART && ISSET(iir, IIR_RXRDY))
2532 if ((iir & (IIR_RXRDY|IIR_TXRDY)) == IIR_RXRDY) {
2573 } while (!ISSET((iir =
2580 (iir & IIR_IMASK) != IIR_TXRDY);
2629 if (!ISSET((iir = CSR_READ_1(regsp, COM_REG_IIR)), IIR_NOPEND))
2643 rnd_add_uint32(&sc->rnd_source, iir | lsr);