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Lines Matching refs:phase

97  * device is busy internally and the first SCSI-phase will be delayed.
300 		reqp->phase     = NR_PHASE;
369 			tmp->phase = NR_PHASE;
634 			transfer_dma(reqp, reqp->phase, 0);
661 				transfer_dma(connected, connected->phase, 0);
692 	u_char			phase;
719 	 * Set phase bits to 0, otherwise the 5380 won't drive the bus during
803 	 * phase immediately after the selection.
865 		reqp->phase = PH_CMD;
876 	phase  = PH_MSGOUT;
881 	 * phase should follow.  Unfortunately, this does not happen on
884 	 * new phase is PH_CMD and has never been successfully selected
888 	if (transfer_pio(&phase, tmp, &cnt, 0) || cnt) {
890 		if ((phase == PH_CMD) && !(sc->sc_selected & targ_bit)) {
894 			reqp->phase = PH_CMD;
919 	reqp->phase = PH_MSGOUT;
946 	u_char	tmp, phase;
958 	 * Also REQ needs to be asserted here to indicate that the bus-phase
975 					   "Timeout waiting for phase-change");
980 	phase = (tmp >> 2) & 7;
981 	if (phase != reqp->phase) {
982 		reqp->phase = phase;
983 		DBG_INFPRINT(show_phase, reqp, phase);
987 		 * Same data-phase. If same error give up
990 		     && ((phase == PH_DATAOUT) || (phase == PH_DATAIN))) {
999 	switch (phase) {
1020 			 * message-out phase by feeding/taking 100 byte.
1031 			transfer_dma(reqp, phase, poll);
1041 			if (transfer_pdma(&phase, reqp->xdata_ptr, &len) == 0)
1044 			transfer_pio(&phase, reqp->xdata_ptr, &len, 0);
1055 		transfer_pio(&phase, &tmp, &len, 1);
1060 		transfer_pio(&phase, &reqp->msgout, &len, 0);
1074 		transfer_pio(&phase, (u_char *)&reqp->xcmd, &len, 0);
1079 		transfer_pio(&phase, &tmp, &len, 0);
1084 		ncr_tprint(reqp, "Unknown phase\n");
1094  *	-1 : Get on to the next phase.
1232 	u_char	phase;
1279 	phase = PH_MSGIN;
1281 	transfer_pio(&phase, &msg, &len, 0);
1309 		phase = PH_MSGOUT;
1312 phase, &msg, &len, 0) || len)
1326  * Transfer data in a given phase using programmed I/O.
1327  * Returns -1 when a different phase is entered without transferring the
1329  * phase.
1332 transfer_pio(u_char *phase, u_char *data, u_long *len, int dont_drop_ack)
1335 	u_char	ph  = *phase;
1338 	DBG_PIOPRINT ("SCSI: transfer_pio start: phase: %d, len: %d\n", ph,cnt);
1347 		DBG_PIOPRINT ("SCSI: transfer_pio: phase mismatch\n", 0, 0);
1361 		 * The SCSI-standard suggests that in the 'MESSAGE OUT' phase,
1363 		 * message phase after REQ has been asserted for the handshake
1386 		*phase = (tmp >> 2) & 7;
1387 	else *phase = NR_PHASE;
1389 	DBG_PIOPRINT ("SCSI: transfer_pio done: phase: %d, len: %d\n",
1390 								*phase, cnt);
1392 	if (!cnt || (*phase == ph))
1403 transfer_dma(SC_REQ *reqp, u_int phase, int poll)
1413 	 * We should be in phase, otherwise we are not allowed to
1416 	SET_5380_REG(NCR5380_TCOM, phase);
1439 	scsi_dma_setup(reqp, phase, mbase);
1494 	if ((reqp->dr_flag & DRIVER_BOUNCING) && (PH_IN(reqp->phase))) {
1511 	if (PH_IN(reqp->phase) && (dmstat & SC_PAR_ERR)) {
1513 			ncr_tprint(reqp, "parity error in data-phase\n");
1629 	u_char	phase;
1632 	ncr_aprint(sc, "Trying to reach Message-out phase\n");
1633 	if ((phase = GET_5380_REG(NCR5380_IDSTAT)) & SC_S_REQ)
1634 		phase = (phase >> 2) & 7;
1636 	ncr_aprint(sc, "Trying to reach Message-out phase, now: %d\n", phase);
1637 	if (phase == PH_MSGOUT)
1640 	SET_5380_REG(NCR5380_TCOM, phase);
1645 		if (((GET_5380_REG(NCR5380_IDSTAT) >> 2) & 7) != phase)
1647 		if (PH_IN(phase)) {
1660 	if ((phase = GET_5380_REG(NCR5380_IDSTAT)) & SC_S_REQ) {
1661 		phase = (phase >> 2) & 7;
1662 		if (phase == PH_MSGOUT) {
1663 			ncr_aprint(sc, "Message-out phase reached after "
1985 		printf("phase = %d, ", connected->phase);