| aic7xxx.seq (41646) | aic7xxx.seq (41816) |
|---|---|
| 1/* 2 * Adaptec 274x/284x/294x device driver firmware for Linux and FreeBSD. 3 * 4 * Copyright (c) 1994-1998 Justin Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 18 unchanged lines hidden (view full) --- 27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * | 1/* 2 * Adaptec 274x/284x/294x device driver firmware for Linux and FreeBSD. 3 * 4 * Copyright (c) 1994-1998 Justin Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 18 unchanged lines hidden (view full) --- 27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * |
| 35 * $Id: aic7xxx.seq,v 1.80 1998/11/23 01:33:47 gibbs Exp $ | 35 * $Id: aic7xxx.seq,v 1.81 1998/12/10 04:14:50 gibbs Exp $ |
| 36 */ 37 38#include <dev/aic7xxx/aic7xxx.reg> 39#include <cam/scsi/scsi_message.h> 40 41/* 42 * A few words on the waiting SCB list: 43 * After starting the selection hardware, we check for reconnecting targets --- 11 unchanged lines hidden (view full) --- 55 * command for which a second SCB has been queued. The sequencer will 56 * automatically consume the entries. 57 */ 58 59reset: 60 clr SCSISIGO; /* De-assert BSY */ 61 and SXFRCTL1, ~BITBUCKET; 62 /* Always allow reselection */ | 36 */ 37 38#include <dev/aic7xxx/aic7xxx.reg> 39#include <cam/scsi/scsi_message.h> 40 41/* 42 * A few words on the waiting SCB list: 43 * After starting the selection hardware, we check for reconnecting targets --- 11 unchanged lines hidden (view full) --- 55 * command for which a second SCB has been queued. The sequencer will 56 * automatically consume the entries. 57 */ 58 59reset: 60 clr SCSISIGO; /* De-assert BSY */ 61 and SXFRCTL1, ~BITBUCKET; 62 /* Always allow reselection */ |
| 63 if ((ahc->flags & AHC_TARGETMODE) != 0) { 64 mvi SCSISEQ, ENSELI|ENRSELI|ENAUTOATNP; 65 } else { 66 mvi SCSISEQ, ENRSELI|ENAUTOATNP; 67 } | 63 and SCSISEQ, ENSELI|ENRSELI|ENAUTOATNP, SCSISEQ_TEMPLATE; |
| 68 69 if ((ahc->features & AHC_CMD_CHAN) != 0) { 70 /* Ensure that no DMA operations are in progress */ 71 clr CCSGCTL; 72 clr CCSCBCTL; 73 } 74 75 call clear_target_state; --- 101 unchanged lines hidden (view full) --- 177 and A, TID, SCB_TCL; /* Get target ID */ 178 and SCSIID_ULTRA2, OID; /* Clear old target */ 179 or SCSIID_ULTRA2, A; 180 } else { 181 and A, TID, SCB_TCL; /* Get target ID */ 182 and SCSIID, OID; /* Clear old target */ 183 or SCSIID, A; 184 } | 64 65 if ((ahc->features & AHC_CMD_CHAN) != 0) { 66 /* Ensure that no DMA operations are in progress */ 67 clr CCSGCTL; 68 clr CCSCBCTL; 69 } 70 71 call clear_target_state; --- 101 unchanged lines hidden (view full) --- 173 and A, TID, SCB_TCL; /* Get target ID */ 174 and SCSIID_ULTRA2, OID; /* Clear old target */ 175 or SCSIID_ULTRA2, A; 176 } else { 177 and A, TID, SCB_TCL; /* Get target ID */ 178 and SCSIID, OID; /* Clear old target */ 179 or SCSIID, A; 180 } |
| 181 mov SINDEX, SCSISEQ_TEMPLATE; |
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| 185 if ((ahc->flags & AHC_TARGETMODE) != 0) { | 182 if ((ahc->flags & AHC_TARGETMODE) != 0) { |
| 186 and SINDEX, TARGET_SCB, SCB_CONTROL; 187 or SCSISEQ, ENSELO|ENAUTOATNO|ENSELI 188 |ENRSELI|ENAUTOATNP, SINDEX ret ; 189 } else if ((ahc->flags & AHC_INITIATORMODE) != 0) { 190 mvi SCSISEQ, ENSELO|ENAUTOATNO|ENRSELI|ENAUTOATNP ret; | 183 test SCB_CONTROL, TARGET_SCB jz . + 2; 184 or SINDEX, TEMODE; |
| 191 } | 185 } |
| 186 mov SCSISEQ, SINDEX ret; |
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| 192 193/* 194 * Initialize transfer settings and clear the SCSI channel. 195 * SINDEX should contain any additional bit's the client wants 196 * set in SXFRCTL0. We also assume that the current SCB is 197 * a valid SCB for the target we wish to talk to. 198 */ 199initialize_channel: --- 230 unchanged lines hidden (view full) --- 430/* 431 * After the selection, remove this SCB from the "waiting SCB" 432 * list. This is achieved by simply moving our "next" pointer into 433 * WAITING_SCBH. Our next pointer will be set to null the next time this 434 * SCB is used, so don't bother with it now. 435 */ 436select_out: 437 /* Turn off the selection hardware */ | 187 188/* 189 * Initialize transfer settings and clear the SCSI channel. 190 * SINDEX should contain any additional bit's the client wants 191 * set in SXFRCTL0. We also assume that the current SCB is 192 * a valid SCB for the target we wish to talk to. 193 */ 194initialize_channel: --- 230 unchanged lines hidden (view full) --- 425/* 426 * After the selection, remove this SCB from the "waiting SCB" 427 * list. This is achieved by simply moving our "next" pointer into 428 * WAITING_SCBH. Our next pointer will be set to null the next time this 429 * SCB is used, so don't bother with it now. 430 */ 431select_out: 432 /* Turn off the selection hardware */ |
| 438 if ((ahc->flags & AHC_TARGETMODE) != 0) { 439 mvi SCSISEQ, ENSELI|ENRSELI|ENAUTOATNP; 440 } else if ((ahc->flags & AHC_INITIATORMODE) != 0) { 441 mvi SCSISEQ, ENRSELI|ENAUTOATNP; 442 } | 433 and SCSISEQ, ENSELI|ENRSELI|ENAUTOATNP, SCSISEQ_TEMPLATE; |
| 443 mvi CLRSINT0, CLRSELDO; 444 mov SCBPTR, WAITING_SCBH; 445 mov WAITING_SCBH,SCB_NEXT; 446 mov SAVED_TCL, SCB_TCL; 447 if ((ahc->flags & AHC_TARGETMODE) != 0) { 448 test SSTAT0, TARGET jz initiator_select; 449 450 /* --- 53 unchanged lines hidden (view full) --- 504 mvi SCSISIGO, P_MESGOUT|BSYO; 505 call target_inb; 506 /* Local Processing goes here... */ 507target_mesgout_pending_msg: 508 jmp host_target_message_loop; 509 510target_disconnect: 511 mvi P_MESGIN|BSYO call change_phase; | 434 mvi CLRSINT0, CLRSELDO; 435 mov SCBPTR, WAITING_SCBH; 436 mov WAITING_SCBH,SCB_NEXT; 437 mov SAVED_TCL, SCB_TCL; 438 if ((ahc->flags & AHC_TARGETMODE) != 0) { 439 test SSTAT0, TARGET jz initiator_select; 440 441 /* --- 53 unchanged lines hidden (view full) --- 495 mvi SCSISIGO, P_MESGOUT|BSYO; 496 call target_inb; 497 /* Local Processing goes here... */ 498target_mesgout_pending_msg: 499 jmp host_target_message_loop; 500 501target_disconnect: 502 mvi P_MESGIN|BSYO call change_phase; |
| 503 test SEQ_FLAGS, DPHASE jz . + 2; 504 mvi MSG_SAVEDATAPOINTER call target_outb; |
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| 512 mvi MSG_DISCONNECT call target_outb; 513 514target_busfree: 515 clr SCSISIGO; 516 call complete_target_cmd; 517 cmp LAST_MSG, MSG_NOOP je . + 2; 518 mvi INTSTAT, TARGET_MSG_HELP; 519 call clear_target_state; --- 1284 unchanged lines hidden --- | 505 mvi MSG_DISCONNECT call target_outb; 506 507target_busfree: 508 clr SCSISIGO; 509 call complete_target_cmd; 510 cmp LAST_MSG, MSG_NOOP je . + 2; 511 mvi INTSTAT, TARGET_MSG_HELP; 512 call clear_target_state; --- 1284 unchanged lines hidden --- |