Lines Matching defs:iir
2208 u_char lsr, iir;
2216 iir = CSR_READ_1(regsp, COM_REG_IIR);
2220 (iir & IIR_BUSY) == IIR_BUSY) {
2232 iir = CSR_READ_1(regsp, COM_REG_IIR);
2237 (iir & IIR_BUSY) == IIR_BUSY) {
2274 if (ISSET(iir, IIR_NOPEND)) {
2300 if (sc->sc_type == COM_TYPE_BCMAUXUART && ISSET(iir, IIR_RXRDY))
2366 if ((iir & (IIR_RXRDY|IIR_TXRDY)) == IIR_RXRDY) {
2407 } while (!ISSET((iir =
2414 (iir & IIR_IMASK) != IIR_TXRDY);
2463 if (!ISSET((iir = CSR_READ_1(regsp, COM_REG_IIR)), IIR_NOPEND))
2473 rnd_add_uint32(&sc->rnd_source, iir | lsr);