Lines Matching refs:phase

549 		 * 2) In a non QAS, protocol allowed phase change,
706 * On a phase change oustside of packet boundaries,
805 * REQs in a non-packet phase.
839 * should go into the message out phase since we have ATN
847 * the bus phase.
865 * Command phase. Set up the DMA registers and let 'er rip.
904 * command phase starts. There is only one problem
905 * with this approach. If the target changes phase
907 * that can go out on the bus in a data phase. Due
913 * 800ns dead time between command phase and the REQ
914 * of the new phase. If the transfer has completed
916 * see a phase change. We thus treat any phasemiss
927 * Don't allow a data phase if the command
937 * Status phase. Wait for the data byte to appear, then read it
950 * Message out phase. If MSG_OUT is MSG_IDENTIFYFLAG, build a full
954 * it to handle the message phase completely on its own. If the bit
970 * in case the target decides to put us in this phase for some strange
999 * phase and any required retries.
1010 * If the next bus phase after ATN drops is message out, it means
1023 * Message in phase. Bytes are read using Automatic PIO mode.
1181 * Either way, the target should take us to message out phase
1291 * should take us to message out phase and then attempt to
1330 * phase has been detected or we are really
1344 * only if we've actually been into a data phase to change them. This
1377 * SCB anytime we enter a data phase for the first time, so all
1378 * we need to do is clear the DPHASE flag and let the data phase
1380 * sure we have a clean start for the next data or command phase.
1399 * an async phase due to our asserted ACK. Each
1613 * Since we've are entering a data phase, we will
1638 * If we re-enter the data phase after going through another
1639 * phase, our transfer location has almost certainly been
1651 * us to another phase, and then notify the host.
1665 /* Wait for non-data phase. */
1678 /* We have seen a data phase at least once. */
1686 * completes or the target changes phase. Both conditions
1697 * The transfer has terminated either due to a phase
1703 * complete) that usually follow a data phase.
1733 * If the target has left us in data phase, loop through
1755 * initiator before changing phase. We only need to
1786 * pickup on the next segment on the next data phase.
2147 * a NONPACKREQ phase change have occurred and the FIFO is
2172 * The unexpected nonpkt phase handler assumes that any
2190 * we simply do not have the full I_T_L_Q for this phase.