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aic7xxx.seq (107420) aic7xxx.seq (109590)
1/*
2 * Adaptec 274x/284x/294x device driver firmware for Linux and FreeBSD.
3 *
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
1/*
2 * Adaptec 274x/284x/294x device driver firmware for Linux and FreeBSD.
3 *
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
40 * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx.seq 107420 2002-11-30 19:30:09Z scottl $
40 * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx.seq 109590 2003-01-20 20:44:55Z gibbs $
41 */
42
41 */
42
43VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#52 $"
43VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#54 $"
44PATCH_ARG_LIST = "struct ahc_softc *ahc"
45PREFIX = "ahc_"
46
47#include "aic7xxx.reg"
48#include "scsi_message.h"
49
50/*
51 * A few words on the waiting SCB list:

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65 * automatically consume the entries.
66 */
67
68bus_free_sel:
69 /*
70 * Turn off the selection hardware. We need to reset the
71 * selection request in order to perform a new selection.
72 */
44PATCH_ARG_LIST = "struct ahc_softc *ahc"
45PREFIX = "ahc_"
46
47#include "aic7xxx.reg"
48#include "scsi_message.h"
49
50/*
51 * A few words on the waiting SCB list:

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65 * automatically consume the entries.
66 */
67
68bus_free_sel:
69 /*
70 * Turn off the selection hardware. We need to reset the
71 * selection request in order to perform a new selection.
72 */
73 and SCSISEQ, TEMODE|ENSELI|ENRSELI|ENAUTOATNP, SCSISEQ;
73 and SCSISEQ, TEMODE|ENSELI|ENRSELI|ENAUTOATNP;
74 and SIMODE1, ~ENBUSFREE;
75poll_for_work:
76 call clear_target_state;
77 and SXFRCTL0, ~SPIOEN;
78 if ((ahc->features & AHC_ULTRA2) != 0) {
79 clr SCSIBUSL;
80 }
81 test SCSISEQ, ENSELO jnz poll_for_selection;

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188 * from the target.
189 */
190 mvi SCSISIGO, P_MESGOUT|BSYO;
191
192 /*
193 * Setup the DMA for sending the identify and
194 * command information.
195 */
74 and SIMODE1, ~ENBUSFREE;
75poll_for_work:
76 call clear_target_state;
77 and SXFRCTL0, ~SPIOEN;
78 if ((ahc->features & AHC_ULTRA2) != 0) {
79 clr SCSIBUSL;
80 }
81 test SCSISEQ, ENSELO jnz poll_for_selection;

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188 * from the target.
189 */
190 mvi SCSISIGO, P_MESGOUT|BSYO;
191
192 /*
193 * Setup the DMA for sending the identify and
194 * command information.
195 */
196 or SEQ_FLAGS, CMDPHASE_PENDING;
196 mvi SEQ_FLAGS, CMDPHASE_PENDING;
197
198 mov A, TQINPOS;
199 if ((ahc->features & AHC_CMD_CHAN) != 0) {
200 mvi DINDEX, CCHADDR;
201 mvi SHARED_DATA_ADDR call set_32byte_addr;
202 mvi CCSCBCTL, CCSCBRESET;
203 } else {
204 mvi DINDEX, HADDR;

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301
302ident_messages_done:
303 /* Terminate the ident list */
304 if ((ahc->features & AHC_CMD_CHAN) != 0) {
305 mvi CCSCBRAM, SCB_LIST_NULL;
306 } else {
307 mvi DFDAT, SCB_LIST_NULL;
308 }
197
198 mov A, TQINPOS;
199 if ((ahc->features & AHC_CMD_CHAN) != 0) {
200 mvi DINDEX, CCHADDR;
201 mvi SHARED_DATA_ADDR call set_32byte_addr;
202 mvi CCSCBCTL, CCSCBRESET;
203 } else {
204 mvi DINDEX, HADDR;

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301
302ident_messages_done:
303 /* Terminate the ident list */
304 if ((ahc->features & AHC_CMD_CHAN) != 0) {
305 mvi CCSCBRAM, SCB_LIST_NULL;
306 } else {
307 mvi DFDAT, SCB_LIST_NULL;
308 }
309 mvi SEQ_FLAGS, TARG_CMD_PENDING;
309 or SEQ_FLAGS, TARG_CMD_PENDING;
310 test SEQ_FLAGS2, TARGET_MSG_PENDING
311 jnz target_mesgout_pending;
312 test SCSISIGI, ATNI jnz target_mesgout_continue;
313 jmp target_ITloop;
314
315
316ident_messages_done_msg_pending:
317 or SEQ_FLAGS2, TARGET_MSG_PENDING;

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507 or SXFRCTL0, CLRSTCNT|CLRCHN;
508 jmp target_synccmd;
509
510target_mesgout:
511 mvi SCSISIGO, P_MESGOUT|BSYO;
512target_mesgout_continue:
513 call target_inb;
514target_mesgout_pending:
310 test SEQ_FLAGS2, TARGET_MSG_PENDING
311 jnz target_mesgout_pending;
312 test SCSISIGI, ATNI jnz target_mesgout_continue;
313 jmp target_ITloop;
314
315
316ident_messages_done_msg_pending:
317 or SEQ_FLAGS2, TARGET_MSG_PENDING;

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507 or SXFRCTL0, CLRSTCNT|CLRCHN;
508 jmp target_synccmd;
509
510target_mesgout:
511 mvi SCSISIGO, P_MESGOUT|BSYO;
512target_mesgout_continue:
513 call target_inb;
514target_mesgout_pending:
515 and SEQ_FLAGS2, ~TARGET_MSG_PENDING;
515 /* Local Processing goes here... */
516 jmp host_target_message_loop;
517
518target_disconnect:
519 mvi P_MESGIN|BSYO call change_phase;
520 test SEQ_FLAGS, DPHASE jz . + 2;
521 mvi MSG_SAVEDATAPOINTER call target_outb;
522 mvi MSG_DISCONNECT call target_outb;

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517 jmp host_target_message_loop;
518
519target_disconnect:
520 mvi P_MESGIN|BSYO call change_phase;
521 test SEQ_FLAGS, DPHASE jz . + 2;
522 mvi MSG_SAVEDATAPOINTER call target_outb;
523 mvi MSG_DISCONNECT call target_outb;

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