Lines Matching +full:clk +full:- +full:phase +full:-
1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (c) 1994-1998 Initio Corporation
14 * This is the Linux low-level SCSI driver for Initio INI-9X00U/UW SCSI host
17 * 08/06/97 hc - v1.01h
18 * - Support inic-940 and inic-935
19 * 09/26/97 hc - v1.01i
20 * - Make correction from J.W. Schultz suggestion
21 * 10/13/97 hc - Support reset function
22 * 10/21/97 hc - v1.01j
23 * - Support 32 LUN (SCSI 3)
24 * 01/14/98 hc - v1.01k
25 * - Fix memory allocation problem
26 * 03/04/98 hc - v1.01l
27 * - Fix tape rewind which will hang the system problem
28 * - Set can_queue to initio_num_scb
29 * 06/25/98 hc - v1.01m
30 * - Get it work for kernel version >= 2.1.75
31 * - Dynamic assign SCSI bus reset holding time in initio_init()
32 * 07/02/98 hc - v1.01n
33 * - Support 0002134A
34 * 08/07/98 hc - v1.01o
35 * - Change the initio_abort_srb routine to use scsi_done. <01>
36 * 09/07/98 hl - v1.02
37 * - Change the INI9100U define and proc_dir_entry to
40 * 09/20/98 wh - v1.02a
41 * - Support Abort command.
42 * - Handle reset routine.
43 * 09/21/98 hl - v1.03
44 * - remove comments.
45 * 12/09/98 bv - v1.03a
46 * - Removed unused code
47 * 12/13/98 bv - v1.03b
48 * - Remove cli() locking for kernels >= 2.1.95. This uses
51 * 09/01/99 bv - v1.03d
52 * - Fixed a deadlock problem in SMP.
53 * 21/01/99 bv - v1.03e
54 * - Add support for the Domex 3192U PCI SCSI
57 * 22/02/99 bv - v1.03f
58 * - Didn't detect the INIC-950 in 2.0.x correctly.
60 * 05/07/99 bv - v1.03g
61 * - Changed the assumption that HZ = 100
62 * 10/17/03 mc - v1.04
63 * - added new DMA API support
64 * 06/01/04 jmd - v1.04a
65 * - Re-add reset_bus support
83 #include <linux/dma-mapping.h>
97 #define i91u_REVID "Initio INI-9X00U/UW SCSI device driver; Revision: 1.04a"
116 /*--- forward references ---*/
168 /* ---- INTERNAL VARIABLES ---- */
175 /*----------- header -----------*/
179 /* -- Host Adapter Structure -- */
210 0, 0}; /* - CheckSum - */
235 /*-- forward reference --*/
243 --------- -------- ------------------ -------
244 1 1 , 0 A5,A4,A3,A2,A1,A0 D15-D0
246 +-----------------------------------------------------
248 CS -----+
249 +--+ +--+ +--+ +--+ +--+
252 CLK -------+ +--+ +--+ +--+ +--+ +--
255 +--1-----1--+
257 DI ----+ +--0------------------
260 -------------------------------------------+
262 DO +---
269 * initio_se2_instr - bitbang an instruction
283 outb(SE2CS | SE2CLK | SE2DO, base + TUL_NVRAM); /* +CLK */ in initio_se2_instr()
288 b = SE2CS | SE2DO; /* -CLK+dataBit */ in initio_se2_instr()
290 b = SE2CS; /* -CLK */ in initio_se2_instr()
293 outb(b | SE2CLK, base + TUL_NVRAM); /* +CLK */ in initio_se2_instr()
297 outb(SE2CS, base + TUL_NVRAM); /* -CLK */ in initio_se2_instr()
303 * initio_se2_ew_en - Enable erase/write
311 outb(0, base + TUL_NVRAM); /* -CS */ in initio_se2_ew_en()
317 * initio_se2_ew_ds - Disable erase/write
325 outb(0, base + TUL_NVRAM); /* -CS */ in initio_se2_ew_ds()
331 * initio_se2_rd - read E2PROM word
346 for (i = 15; i >= 0; i--) { in initio_se2_rd()
347 outb(SE2CS | SE2CLK, base + TUL_NVRAM); /* +CLK */ in initio_se2_rd()
349 outb(SE2CS, base + TUL_NVRAM); /* -CLK */ in initio_se2_rd()
364 * initio_se2_wr - read E2PROM word
380 for (i = 15; i >= 0; i--) { in initio_se2_wr()
382 outb(SE2CS | SE2DO, base + TUL_NVRAM); /* -CLK+dataBit 1 */ in initio_se2_wr()
384 outb(SE2CS, base + TUL_NVRAM); /* -CLK+dataBit 0 */ in initio_se2_wr()
386 outb(SE2CS | SE2CLK, base + TUL_NVRAM); /* +CLK */ in initio_se2_wr()
390 outb(SE2CS, base + TUL_NVRAM); /* -CLK */ in initio_se2_wr()
392 outb(0, base + TUL_NVRAM); /* -CS */ in initio_se2_wr()
399 outb(SE2CS | SE2CLK, base + TUL_NVRAM); /* +CLK */ in initio_se2_wr()
401 outb(SE2CS, base + TUL_NVRAM); /* -CLK */ in initio_se2_wr()
406 outb(0, base + TUL_NVRAM); /* -CS */ in initio_se2_wr()
410 * initio_se2_rd_all - read hostadapter NV configuration
414 * and header marker are valid. Returns 1 on success -1 on error.
429 if (i91unvramp->NVM_Signature != INI_SIGNATURE) in initio_se2_rd_all()
430 return -1; in initio_se2_rd_all()
435 if (i91unvramp->NVM_CheckSum != chksum) in initio_se2_rd_all()
436 return -1; in initio_se2_rd_all()
441 * initio_se2_update_all - Update E2PROM
471 * initio_read_eeprom - Retrieve configuration
501 * initio_stop_bm - stop bus master
510 if (inb(host->addr + TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ in initio_stop_bm()
511 outb(TAX_X_ABT | TAX_X_CLR_FIFO, host->addr + TUL_XCmd); in initio_stop_bm()
513 while ((inb(host->addr + TUL_Int) & XABT) == 0) in initio_stop_bm()
516 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_stop_bm()
520 * initio_reset_scsi - Reset SCSI host controller
529 outb(TSC_RST_BUS, host->addr + TUL_SCtrl0); in initio_reset_scsi()
531 while (!((host->jsint = inb(host->addr + TUL_SInt)) & TSS_SCSIRST_INT)) in initio_reset_scsi()
535 outb(0, host->addr + TUL_SSignal); in initio_reset_scsi()
542 inb(host->addr + TUL_SInt); in initio_reset_scsi()
547 * initio_init - set up an InitIO host adapter
555 * Locking: Calls E2PROM layer code which is not re-enterable so must
566 initio_read_eeprom(host->addr); in initio_init()
567 if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8) in initio_init()
568 host->max_tar = 8; in initio_init()
570 host->max_tar = 16; in initio_init()
572 host->config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1; in initio_init()
574 host->scsi_id = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID; in initio_init()
575 host->idmask = ~(1 << host->scsi_id); in initio_init()
579 outb(inb(host->addr + TUL_PCMD) | 0x40, host->addr + TUL_PCMD); in initio_init()
583 outb(0x1F, host->addr + TUL_Mask); in initio_init()
586 /* --- Initialize the tulip --- */ in initio_init()
587 outb(TSC_RST_CHIP, host->addr + TUL_SCtrl0); in initio_init()
590 outb(host->scsi_id << 4, host->addr + TUL_SScsiId); in initio_init()
592 /* Enable Initiator Mode ,phase latch,alternate sync period mode, in initio_init()
594 if (host->config & HCC_EN_PAR) in initio_init()
595 host->sconf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR); in initio_init()
597 host->sconf1 = (TSC_INITDEFAULT); in initio_init()
598 outb(host->sconf1, host->addr + TUL_SConfig); in initio_init()
601 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); in initio_init()
603 outb(0, host->addr + TUL_SPeriod); in initio_init()
606 outb(153, host->addr + TUL_STimeOut); in initio_init()
609 outb((host->config & (HCC_ACT_TERM1 | HCC_ACT_TERM2)), in initio_init()
610 host->addr + TUL_XCtrl); in initio_init()
611 outb(((host->config & HCC_AUTO_TERM) >> 4) | in initio_init()
612 (inb(host->addr + TUL_GCTRL1) & 0xFE), in initio_init()
613 host->addr + TUL_GCTRL1); in initio_init()
616 flags = & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config), in initio_init()
618 i < host->max_tar; in initio_init()
620 host->targets[i].flags = *flags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in initio_init()
621 if (host->targets[i].flags & TCF_EN_255) in initio_init()
622 host->targets[i].drv_flags = TCF_DRV_255_63; in initio_init()
624 host->targets[i].drv_flags = 0; in initio_init()
625 host->targets[i].js_period = 0; in initio_init()
626 host->targets[i].sconfig0 = host->sconf1; in initio_init()
627 host->targets[i].heads = *heads++; in initio_init()
628 if (host->targets[i].heads == 255) in initio_init()
629 host->targets[i].drv_flags = TCF_DRV_255_63; in initio_init()
631 host->targets[i].drv_flags = 0; in initio_init()
632 host->targets[i].sectors = *heads++; in initio_init()
633 host->targets[i].flags &= ~TCF_BUSY; in initio_init()
634 host->act_tags[i] = 0; in initio_init()
635 host->max_tags[i] = 0xFF; in initio_init()
638 host->addr, host->pci_dev->irq, in initio_init()
639 host->bios_addr, host->scsi_id); in initio_init()
641 if (host->config & HCC_SCSI_RESET) { in initio_init()
645 outb(0x17, host->addr + TUL_SCFG1); in initio_init()
646 outb(0xE9, host->addr + TUL_SIntEnable); in initio_init()
650 * initio_alloc_scb - Allocate an SCB
661 spin_lock_irqsave(&host->avail_lock, flags); in initio_alloc_scb()
662 if ((scb = host->first_avail) != NULL) { in initio_alloc_scb()
666 if ((host->first_avail = scb->next) == NULL) in initio_alloc_scb()
667 host->last_avail = NULL; in initio_alloc_scb()
668 scb->next = NULL; in initio_alloc_scb()
669 scb->status = SCB_RENT; in initio_alloc_scb()
671 spin_unlock_irqrestore(&host->avail_lock, flags); in initio_alloc_scb()
676 * initio_release_scb - Release an SCB
690 spin_lock_irqsave(&(host->avail_lock), flags); in initio_release_scb()
691 cmnd->srb = NULL; in initio_release_scb()
692 cmnd->status = 0; in initio_release_scb()
693 cmnd->next = NULL; in initio_release_scb()
694 if (host->last_avail != NULL) { in initio_release_scb()
695 host->last_avail->next = cmnd; in initio_release_scb()
696 host->last_avail = cmnd; in initio_release_scb()
698 host->first_avail = cmnd; in initio_release_scb()
699 host->last_avail = cmnd; in initio_release_scb()
701 spin_unlock_irqrestore(&(host->avail_lock), flags); in initio_release_scb()
711 scbp->status = SCB_PEND; in initio_append_pend_scb()
712 scbp->next = NULL; in initio_append_pend_scb()
713 if (host->last_pending != NULL) { in initio_append_pend_scb()
714 host->last_pending->next = scbp; in initio_append_pend_scb()
715 host->last_pending = scbp; in initio_append_pend_scb()
717 host->first_pending = scbp; in initio_append_pend_scb()
718 host->last_pending = scbp; in initio_append_pend_scb()
729 scbp->status = SCB_PEND; in initio_push_pend_scb()
730 if ((scbp->next = host->first_pending) != NULL) { in initio_push_pend_scb()
731 host->first_pending = scbp; in initio_push_pend_scb()
733 host->first_pending = scbp; in initio_push_pend_scb()
734 host->last_pending = scbp; in initio_push_pend_scb()
743 first = host->first_pending; in initio_find_first_pend_scb()
745 if (first->opcode != ExecSCSI) in initio_find_first_pend_scb()
747 if (first->tagmsg == 0) { in initio_find_first_pend_scb()
748 if ((host->act_tags[first->target] == 0) && in initio_find_first_pend_scb()
749 !(host->targets[first->target].flags & TCF_BUSY)) in initio_find_first_pend_scb()
752 if ((host->act_tags[first->target] >= in initio_find_first_pend_scb()
753 host->max_tags[first->target]) | in initio_find_first_pend_scb()
754 (host->targets[first->target].flags & TCF_BUSY)) { in initio_find_first_pend_scb()
755 first = first->next; in initio_find_first_pend_scb()
760 first = first->next; in initio_find_first_pend_scb()
773 prev = tmp = host->first_pending; in initio_unlink_pend_scb()
776 if (tmp == host->first_pending) { in initio_unlink_pend_scb()
777 if ((host->first_pending = tmp->next) == NULL) in initio_unlink_pend_scb()
778 host->last_pending = NULL; in initio_unlink_pend_scb()
780 prev->next = tmp->next; in initio_unlink_pend_scb()
781 if (tmp == host->last_pending) in initio_unlink_pend_scb()
782 host->last_pending = prev; in initio_unlink_pend_scb()
784 tmp->next = NULL; in initio_unlink_pend_scb()
788 tmp = tmp->next; in initio_unlink_pend_scb()
798 if (scbp->tagmsg) in initio_append_busy_scb()
799 host->act_tags[scbp->target]++; in initio_append_busy_scb()
801 host->targets[scbp->target].flags |= TCF_BUSY; in initio_append_busy_scb()
802 scbp->status = SCB_BUSY; in initio_append_busy_scb()
803 scbp->next = NULL; in initio_append_busy_scb()
804 if (host->last_busy != NULL) { in initio_append_busy_scb()
805 host->last_busy->next = scbp; in initio_append_busy_scb()
806 host->last_busy = scbp; in initio_append_busy_scb()
808 host->first_busy = scbp; in initio_append_busy_scb()
809 host->last_busy = scbp; in initio_append_busy_scb()
819 if ((tmp = host->first_busy) != NULL) { in initio_pop_busy_scb()
820 if ((host->first_busy = tmp->next) == NULL) in initio_pop_busy_scb()
821 host->last_busy = NULL; in initio_pop_busy_scb()
822 tmp->next = NULL; in initio_pop_busy_scb()
823 if (tmp->tagmsg) in initio_pop_busy_scb()
824 host->act_tags[tmp->target]--; in initio_pop_busy_scb()
826 host->targets[tmp->target].flags &= ~TCF_BUSY; in initio_pop_busy_scb()
843 prev = tmp = host->first_busy; in initio_unlink_busy_scb()
846 if (tmp == host->first_busy) { in initio_unlink_busy_scb()
847 if ((host->first_busy = tmp->next) == NULL) in initio_unlink_busy_scb()
848 host->last_busy = NULL; in initio_unlink_busy_scb()
850 prev->next = tmp->next; in initio_unlink_busy_scb()
851 if (tmp == host->last_busy) in initio_unlink_busy_scb()
852 host->last_busy = prev; in initio_unlink_busy_scb()
854 tmp->next = NULL; in initio_unlink_busy_scb()
855 if (tmp->tagmsg) in initio_unlink_busy_scb()
856 host->act_tags[tmp->target]--; in initio_unlink_busy_scb()
858 host->targets[tmp->target].flags &= ~TCF_BUSY; in initio_unlink_busy_scb()
862 tmp = tmp->next; in initio_unlink_busy_scb()
873 prev = tmp = host->first_busy; in initio_find_busy_scb()
875 scbp_tarlun = (tmp->lun << 8) | (tmp->target); in initio_find_busy_scb()
880 tmp = tmp->next; in initio_find_busy_scb()
894 scbp->status = SCB_DONE; in initio_append_done_scb()
895 scbp->next = NULL; in initio_append_done_scb()
896 if (host->last_done != NULL) { in initio_append_done_scb()
897 host->last_done->next = scbp; in initio_append_done_scb()
898 host->last_done = scbp; in initio_append_done_scb()
900 host->first_done = scbp; in initio_append_done_scb()
901 host->last_done = scbp; in initio_append_done_scb()
909 if ((tmp = host->first_done) != NULL) { in initio_find_done_scb()
910 if ((host->first_done = tmp->next) == NULL) in initio_find_done_scb()
911 host->last_done = NULL; in initio_find_done_scb()
912 tmp->next = NULL; in initio_find_done_scb()
925 spin_lock_irqsave(&host->semaph_lock, flags); in initio_abort_srb()
927 if ((host->semaph == 0) && (host->active == NULL)) { in initio_abort_srb()
929 outb(0x1F, host->addr + TUL_Mask); in initio_abort_srb()
930 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
933 spin_lock_irqsave(&host->semaph_lock, flags); in initio_abort_srb()
934 host->semaph = 1; in initio_abort_srb()
935 outb(0x0F, host->addr + TUL_Mask); in initio_abort_srb()
936 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
939 prev = tmp = host->first_pending; /* Check Pend queue */ in initio_abort_srb()
942 if (tmp->srb == srbp) { in initio_abort_srb()
943 if (tmp == host->active) { in initio_abort_srb()
944 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
946 } else if (tmp == host->first_pending) { in initio_abort_srb()
947 if ((host->first_pending = tmp->next) == NULL) in initio_abort_srb()
948 host->last_pending = NULL; in initio_abort_srb()
950 prev->next = tmp->next; in initio_abort_srb()
951 if (tmp == host->last_pending) in initio_abort_srb()
952 host->last_pending = prev; in initio_abort_srb()
954 tmp->hastat = HOST_ABORTED; in initio_abort_srb()
955 tmp->flags |= SCF_DONE; in initio_abort_srb()
956 if (tmp->flags & SCF_POST) in initio_abort_srb()
957 (*tmp->post) ((u8 *) host, (u8 *) tmp); in initio_abort_srb()
958 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
962 tmp = tmp->next; in initio_abort_srb()
965 prev = tmp = host->first_busy; /* Check Busy queue */ in initio_abort_srb()
967 if (tmp->srb == srbp) { in initio_abort_srb()
968 if (tmp == host->active) { in initio_abort_srb()
969 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
971 } else if (tmp->tagmsg == 0) { in initio_abort_srb()
972 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
975 host->act_tags[tmp->target]--; in initio_abort_srb()
976 if (tmp == host->first_busy) { in initio_abort_srb()
977 if ((host->first_busy = tmp->next) == NULL) in initio_abort_srb()
978 host->last_busy = NULL; in initio_abort_srb()
980 prev->next = tmp->next; in initio_abort_srb()
981 if (tmp == host->last_busy) in initio_abort_srb()
982 host->last_busy = prev; in initio_abort_srb()
984 tmp->next = NULL; in initio_abort_srb()
987 tmp->hastat = HOST_ABORTED; in initio_abort_srb()
988 tmp->flags |= SCF_DONE; in initio_abort_srb()
989 if (tmp->flags & SCF_POST) in initio_abort_srb()
990 (*tmp->post) ((u8 *) host, (u8 *) tmp); in initio_abort_srb()
991 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
996 tmp = tmp->next; in initio_abort_srb()
998 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
1007 printk("initio_bad_seg c=%d\n", host->index); in initio_bad_seq()
1009 if ((scb = host->active) != NULL) { in initio_bad_seq()
1011 scb->hastat = HOST_BAD_PHAS; in initio_bad_seq()
1012 scb->tastat = 0; in initio_bad_seq()
1026 scb->mode = 0; in initio_exec_scb()
1028 scb->sgidx = 0; in initio_exec_scb()
1029 scb->sgmax = scb->sglen; in initio_exec_scb()
1031 spin_lock_irqsave(&host->semaph_lock, flags); in initio_exec_scb()
1036 if (host->semaph == 1) { in initio_exec_scb()
1038 outb(0x1F, host->addr + TUL_Mask); in initio_exec_scb()
1039 host->semaph = 0; in initio_exec_scb()
1040 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_exec_scb()
1044 spin_lock_irqsave(&host->semaph_lock, flags); in initio_exec_scb()
1045 host->semaph = 1; in initio_exec_scb()
1046 outb(0x0F, host->addr + TUL_Mask); in initio_exec_scb()
1048 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_exec_scb()
1055 if (inb(host->addr + TUL_Int) & TSS_INT_PENDING) { in initio_isr()
1056 if (host->semaph == 1) { in initio_isr()
1057 outb(0x1F, host->addr + TUL_Mask); in initio_isr()
1059 host->semaph = 0; in initio_isr()
1063 host->semaph = 1; in initio_isr()
1064 outb(0x0F, host->addr + TUL_Mask); in initio_isr()
1080 if (scb->tastat == INI_QUEUE_FULL) { in tulip_main()
1081 host->max_tags[scb->target] = in tulip_main()
1082 host->act_tags[scb->target] - 1; in tulip_main()
1083 scb->tastat = 0; in tulip_main()
1087 if (!(scb->mode & SCM_RSENS)) { /* not in auto req. sense mode */ in tulip_main()
1088 if (scb->tastat == 2) { in tulip_main()
1092 if (scb->flags & SCF_SENSE) { in tulip_main()
1094 len = scb->senselen; in tulip_main()
1097 scb->buflen = scb->senselen; in tulip_main()
1098 scb->bufptr = scb->senseptr; in tulip_main()
1099 scb->flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */ in tulip_main()
1102 scb->mode = SCM_RSENS; in tulip_main()
1103 scb->ident &= 0xBF; /* Disable Disconnect */ in tulip_main()
1104 scb->tagmsg = 0; in tulip_main()
1105 scb->tastat = 0; in tulip_main()
1106 scb->cdblen = 6; in tulip_main()
1107 scb->cdb[0] = SCSICMD_RequestSense; in tulip_main()
1108 scb->cdb[1] = 0; in tulip_main()
1109 scb->cdb[2] = 0; in tulip_main()
1110 scb->cdb[3] = 0; in tulip_main()
1111 scb->cdb[4] = len; in tulip_main()
1112 scb->cdb[5] = 0; in tulip_main()
1119 if (scb->tastat == 2) { /* check contition status again after sending in tulip_main()
1121 scb->hastat = HOST_BAD_PHAS; in tulip_main()
1123 scb->tastat = 2; in tulip_main()
1125 scb->flags |= SCF_DONE; in tulip_main()
1126 if (scb->flags & SCF_POST) { in tulip_main()
1128 (*scb->post) ((u8 *) host, (u8 *) scb); in tulip_main()
1132 if (inb(host->addr + TUL_SStatus0) & TSS_INT_PENDING) in tulip_main()
1134 if (host->active) /* return to OS and wait for xfer_done_ISR/Selected_ISR */ in tulip_main()
1149 if ((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) & TSS_INT_PENDING) { in tulip_scsi()
1150 host->phase = host->jsstatus0 & TSS_PH_MASK; in tulip_scsi()
1151 host->jsstatus1 = inb(host->addr + TUL_SStatus1); in tulip_scsi()
1152 host->jsint = inb(host->addr + TUL_SInt); in tulip_scsi()
1153 if (host->jsint & TSS_SCSIRST_INT) { /* SCSI bus reset detected */ in tulip_scsi()
1157 if (host->jsint & TSS_RESEL_INT) { /* if selected/reselected interrupt */ in tulip_scsi()
1162 if (host->jsint & TSS_SEL_TIMEOUT) { in tulip_scsi()
1166 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in tulip_scsi()
1170 if (host->jsint & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */ in tulip_scsi()
1171 if ((scb = host->active) != NULL) in tulip_scsi()
1176 if (host->active != NULL) in tulip_scsi()
1183 outb((host->scsi_id << 4) | (scb->target & 0x0F), in tulip_scsi()
1184 host->addr + TUL_SScsiId); in tulip_scsi()
1185 if (scb->opcode == ExecSCSI) { in tulip_scsi()
1186 active_tc = &host->targets[scb->target]; in tulip_scsi()
1188 if (scb->tagmsg) in tulip_scsi()
1189 active_tc->drv_flags |= TCF_DRV_EN_TAG; in tulip_scsi()
1191 active_tc->drv_flags &= ~TCF_DRV_EN_TAG; in tulip_scsi()
1193 outb(active_tc->js_period, host->addr + TUL_SPeriod); in tulip_scsi()
1194 if ((active_tc->flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { /* do wdtr negotiation */ in tulip_scsi()
1197 …if ((active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync negotiation … in tulip_scsi()
1200 if (scb->tagmsg) in tulip_scsi()
1206 if (scb->flags & SCF_POLL) { in tulip_scsi()
1207 while (wait_tulip(host) != -1) { in tulip_scsi()
1208 if (initio_next_state(host) == -1) in tulip_scsi()
1212 } else if (scb->opcode == BusDevRst) { in tulip_scsi()
1214 scb->next_state = 8; in tulip_scsi()
1215 if (scb->flags & SCF_POLL) { in tulip_scsi()
1216 while (wait_tulip(host) != -1) { in tulip_scsi()
1217 if (initio_next_state(host) == -1) in tulip_scsi()
1221 } else if (scb->opcode == AbortCmd) { in tulip_scsi()
1222 if (initio_abort_srb(host, scb->srb) != 0) { in tulip_scsi()
1226 scb->opcode = BusDevRst; in tulip_scsi()
1228 scb->next_state = 8; in tulip_scsi()
1232 scb->hastat = 0x16; /* bad command */ in tulip_scsi()
1239 * initio_next_state - Next SCSI state
1252 next = host->active->next_state; in initio_next_state()
1288 * initio_state_1 - SCSI state machine
1296 struct scsi_ctrl_blk *scb = host->active; in initio_state_1()
1297 struct target_control *active_tc = host->active_tc; in initio_state_1()
1299 printk("-s1-"); in initio_state_1()
1306 outb(active_tc->sconfig0, host->addr + TUL_SConfig ); in initio_state_1()
1308 if (host->phase == MSG_OUT) { in initio_state_1()
1309 outb(TSC_EN_BUS_IN | TSC_HW_RESELECT, host->addr + TUL_SCtrl1); in initio_state_1()
1310 outb(scb->ident, host->addr + TUL_SFifo); in initio_state_1()
1312 if (scb->tagmsg) { in initio_state_1()
1313 outb(scb->tagmsg, host->addr + TUL_SFifo); in initio_state_1()
1314 outb(scb->tagid, host->addr + TUL_SFifo); in initio_state_1()
1316 if ((active_tc->flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { in initio_state_1()
1317 active_tc->flags |= TCF_WDTR_DONE; in initio_state_1()
1318 outb(MSG_EXTEND, host->addr + TUL_SFifo); in initio_state_1()
1319 outb(2, host->addr + TUL_SFifo); /* Extended msg length */ in initio_state_1()
1320 outb(3, host->addr + TUL_SFifo); /* Sync request */ in initio_state_1()
1321 outb(1, host->addr + TUL_SFifo); /* Start from 16 bits */ in initio_state_1()
1322 } else if ((active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { in initio_state_1()
1323 active_tc->flags |= TCF_SYNC_DONE; in initio_state_1()
1324 outb(MSG_EXTEND, host->addr + TUL_SFifo); in initio_state_1()
1325 outb(3, host->addr + TUL_SFifo); /* extended msg length */ in initio_state_1()
1326 outb(1, host->addr + TUL_SFifo); /* sync request */ in initio_state_1()
1327 outb(initio_rate_tbl[active_tc->flags & TCF_SCSI_RATE], host->addr + TUL_SFifo); in initio_state_1()
1328 outb(MAX_OFFSET, host->addr + TUL_SFifo); /* REQ/ACK offset */ in initio_state_1()
1330 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_1()
1331 if (wait_tulip(host) == -1) in initio_state_1()
1332 return -1; in initio_state_1()
1334 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_1()
1335 outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), host->addr + TUL_SSignal); in initio_state_1()
1342 * initio_state_2 - SCSI state machine
1351 struct scsi_ctrl_blk *scb = host->active; in initio_state_2()
1352 struct target_control *active_tc = host->active_tc; in initio_state_2()
1354 printk("-s2-"); in initio_state_2()
1360 outb(active_tc->sconfig0, host->addr + TUL_SConfig); in initio_state_2()
1362 if (host->jsstatus1 & TSS_CMD_PH_CMP) in initio_state_2()
1365 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_2()
1366 outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), host->addr + TUL_SSignal); in initio_state_2()
1372 * initio_state_3 - SCSI state machine
1380 struct scsi_ctrl_blk *scb = host->active; in initio_state_3()
1381 struct target_control *active_tc = host->active_tc; in initio_state_3()
1385 printk("-s3-"); in initio_state_3()
1388 switch (host->phase) { in initio_state_3()
1389 case CMD_OUT: /* Command out phase */ in initio_state_3()
1390 for (i = 0; i < (int) scb->cdblen; i++) in initio_state_3()
1391 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_state_3()
1392 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_3()
1393 if (wait_tulip(host) == -1) in initio_state_3()
1394 return -1; in initio_state_3()
1395 if (host->phase == CMD_OUT) in initio_state_3()
1399 case MSG_IN: /* Message in phase */ in initio_state_3()
1400 scb->next_state = 3; in initio_state_3()
1401 if (initio_msgin(host) == -1) in initio_state_3()
1402 return -1; in initio_state_3()
1405 case STATUS_IN: /* Status phase */ in initio_state_3()
1406 if (initio_status_msg(host) == -1) in initio_state_3()
1407 return -1; in initio_state_3()
1410 case MSG_OUT: /* Message out phase */ in initio_state_3()
1411 if (active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) { in initio_state_3()
1412 outb(MSG_NOP, host->addr + TUL_SFifo); /* msg nop */ in initio_state_3()
1413 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_3()
1414 if (wait_tulip(host) == -1) in initio_state_3()
1415 return -1; in initio_state_3()
1417 active_tc->flags |= TCF_SYNC_DONE; in initio_state_3()
1419 outb(MSG_EXTEND, host->addr + TUL_SFifo); in initio_state_3()
1420 outb(3, host->addr + TUL_SFifo); /* ext. msg len */ in initio_state_3()
1421 outb(1, host->addr + TUL_SFifo); /* sync request */ in initio_state_3()
1422 outb(initio_rate_tbl[active_tc->flags & TCF_SCSI_RATE], host->addr + TUL_SFifo); in initio_state_3()
1423 outb(MAX_OFFSET, host->addr + TUL_SFifo); /* REQ/ACK offset */ in initio_state_3()
1424 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_3()
1425 if (wait_tulip(host) == -1) in initio_state_3()
1426 return -1; in initio_state_3()
1427 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_3()
1428 outb(inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7), host->addr + TUL_SSignal); in initio_state_3()
1439 * initio_state_4 - SCSI state machine
1447 struct scsi_ctrl_blk *scb = host->active; in initio_state_4()
1450 printk("-s4-"); in initio_state_4()
1452 if ((scb->flags & SCF_DIR) == SCF_NO_XF) { in initio_state_4()
1456 if (scb->buflen == 0) in initio_state_4()
1459 switch (host->phase) { in initio_state_4()
1461 case STATUS_IN: /* Status phase */ in initio_state_4()
1462 if ((scb->flags & SCF_DIR) != 0) /* if direction bit set then report data underrun */ in initio_state_4()
1463 scb->hastat = HOST_DO_DU; in initio_state_4()
1464 if ((initio_status_msg(host)) == -1) in initio_state_4()
1465 return -1; in initio_state_4()
1468 case MSG_IN: /* Message in phase */ in initio_state_4()
1469 scb->next_state = 0x4; in initio_state_4()
1470 if (initio_msgin(host) == -1) in initio_state_4()
1471 return -1; in initio_state_4()
1474 case MSG_OUT: /* Message out phase */ in initio_state_4()
1475 if (host->jsstatus0 & TSS_PAR_ERROR) { in initio_state_4()
1476 scb->buflen = 0; in initio_state_4()
1477 scb->hastat = HOST_DO_DU; in initio_state_4()
1478 if (initio_msgout_ide(host) == -1) in initio_state_4()
1479 return -1; in initio_state_4()
1482 outb(MSG_NOP, host->addr + TUL_SFifo); /* msg nop */ in initio_state_4()
1483 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_4()
1484 if (wait_tulip(host) == -1) in initio_state_4()
1485 return -1; in initio_state_4()
1489 case DATA_IN: /* Data in phase */ in initio_state_4()
1492 case DATA_OUT: /* Data out phase */ in initio_state_4()
1503 * initio_state_5 - SCSI state machine
1506 * State after dma xfer done or phase change before xfer done
1511 struct scsi_ctrl_blk *scb = host->active; in initio_state_5()
1515 printk("-s5-"); in initio_state_5()
1517 /*------ get remaining count -------*/ in initio_state_5()
1518 cnt = inl(host->addr + TUL_SCnt0) & 0x0FFFFFF; in initio_state_5()
1520 if (inb(host->addr + TUL_XCmd) & 0x20) { in initio_state_5()
1521 /* ----------------------- DATA_IN ----------------------------- */ in initio_state_5()
1523 if (host->jsstatus0 & TSS_PAR_ERROR) in initio_state_5()
1524 scb->hastat = HOST_DO_DU; in initio_state_5()
1525 if (inb(host->addr + TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */ in initio_state_5()
1527 outb(inb(host->addr + TUL_XCtrl) | 0x80, host->addr + TUL_XCtrl); in initio_state_5()
1529 while (inb(host->addr + TUL_XStatus) & XPEND) in initio_state_5()
1533 /*-------- DATA OUT -----------*/ in initio_state_5()
1534 if ((inb(host->addr + TUL_SStatus1) & TSS_XFER_CMP) == 0) { in initio_state_5()
1535 if (host->active_tc->js_period & TSC_WIDE_SCSI) in initio_state_5()
1536 cnt += (inb(host->addr + TUL_SFifoCnt) & 0x1F) << 1; in initio_state_5()
1538 cnt += (inb(host->addr + TUL_SFifoCnt) & 0x1F); in initio_state_5()
1540 if (inb(host->addr + TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ in initio_state_5()
1541 outb(TAX_X_ABT, host->addr + TUL_XCmd); in initio_state_5()
1543 while ((inb(host->addr + TUL_Int) & XABT) == 0) in initio_state_5()
1546 if ((cnt == 1) && (host->phase == DATA_OUT)) { in initio_state_5()
1547 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_5()
1548 if (wait_tulip(host) == -1) in initio_state_5()
1549 return -1; in initio_state_5()
1552 if ((inb(host->addr + TUL_SStatus1) & TSS_XFER_CMP) == 0) in initio_state_5()
1553 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_5()
1557 scb->buflen = 0; in initio_state_5()
1561 xcnt = (long) scb->buflen - cnt; /* xcnt== bytes already xferred */ in initio_state_5()
1562 scb->buflen = (u32) cnt; /* cnt == bytes left to be xferred */ in initio_state_5()
1563 if (scb->flags & SCF_SG) { in initio_state_5()
1567 sgp = &scb->sglist[scb->sgidx]; in initio_state_5()
1568 for (i = scb->sgidx; i < scb->sgmax; sgp++, i++) { in initio_state_5()
1569 xcnt -= (long) sgp->len; in initio_state_5()
1571 xcnt += (long) sgp->len; /* xcnt == bytes xferred in this sgp */ in initio_state_5()
1572 sgp->data += (u32) xcnt; /* new ptr to be xfer */ in initio_state_5()
1573 sgp->len -= (u32) xcnt; /* new len to be xfer */ in initio_state_5()
1574 scb->bufptr += ((u32) (i - scb->sgidx) << 3); in initio_state_5()
1576 scb->sglen = (u8) (scb->sgmax - i); in initio_state_5()
1578 scb->sgidx = (u16) i; in initio_state_5()
1586 scb->bufptr += (u32) xcnt; in initio_state_5()
1592 * initio_state_6 - SCSI state machine
1595 * State after Data phase
1600 struct scsi_ctrl_blk *scb = host->active; in initio_state_6()
1603 printk("-s6-"); in initio_state_6()
1606 switch (host->phase) { in initio_state_6()
1607 case STATUS_IN: /* Status phase */ in initio_state_6()
1608 if ((initio_status_msg(host)) == -1) in initio_state_6()
1609 return -1; in initio_state_6()
1612 case MSG_IN: /* Message in phase */ in initio_state_6()
1613 scb->next_state = 6; in initio_state_6()
1614 if ((initio_msgin(host)) == -1) in initio_state_6()
1615 return -1; in initio_state_6()
1618 case MSG_OUT: /* Message out phase */ in initio_state_6()
1619 outb(MSG_NOP, host->addr + TUL_SFifo); /* msg nop */ in initio_state_6()
1620 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_6()
1621 if (wait_tulip(host) == -1) in initio_state_6()
1622 return -1; in initio_state_6()
1625 case DATA_IN: /* Data in phase */ in initio_state_6()
1628 case DATA_OUT: /* Data out phase */ in initio_state_6()
1638 * initio_state_7 - SCSI state machine
1648 printk("-s7-"); in initio_state_7()
1651 cnt = inb(host->addr + TUL_SFifoCnt) & 0x1F; in initio_state_7()
1654 inb(host->addr + TUL_SFifo); in initio_state_7()
1656 switch (host->phase) { in initio_state_7()
1657 case DATA_IN: /* Data in phase */ in initio_state_7()
1658 case DATA_OUT: /* Data out phase */ in initio_state_7()
1666 * initio_xfer_data_in - Commence data input
1675 struct scsi_ctrl_blk *scb = host->active; in initio_xfer_data_in()
1677 if ((scb->flags & SCF_DIR) == SCF_DOUT) in initio_xfer_data_in()
1680 outl(scb->buflen, host->addr + TUL_SCnt0); in initio_xfer_data_in()
1681 outb(TSC_XF_DMA_IN, host->addr + TUL_SCmd); /* 7/25/95 */ in initio_xfer_data_in()
1683 if (scb->flags & SCF_SG) { /* S/G xfer */ in initio_xfer_data_in()
1684 outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); in initio_xfer_data_in()
1685 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_in()
1686 outb(TAX_SG_IN, host->addr + TUL_XCmd); in initio_xfer_data_in()
1688 outl(scb->buflen, host->addr + TUL_XCntH); in initio_xfer_data_in()
1689 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_in()
1690 outb(TAX_X_IN, host->addr + TUL_XCmd); in initio_xfer_data_in()
1692 scb->next_state = 0x5; in initio_xfer_data_in()
1697 * initio_xfer_data_out - Commence data output
1707 struct scsi_ctrl_blk *scb = host->active; in initio_xfer_data_out()
1709 if ((scb->flags & SCF_DIR) == SCF_DIN) in initio_xfer_data_out()
1712 outl(scb->buflen, host->addr + TUL_SCnt0); in initio_xfer_data_out()
1713 outb(TSC_XF_DMA_OUT, host->addr + TUL_SCmd); in initio_xfer_data_out()
1715 if (scb->flags & SCF_SG) { /* S/G xfer */ in initio_xfer_data_out()
1716 outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); in initio_xfer_data_out()
1717 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_out()
1718 outb(TAX_SG_OUT, host->addr + TUL_XCmd); in initio_xfer_data_out()
1720 outl(scb->buflen, host->addr + TUL_XCntH); in initio_xfer_data_out()
1721 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_out()
1722 outb(TAX_X_OUT, host->addr + TUL_XCmd); in initio_xfer_data_out()
1725 scb->next_state = 0x5; in initio_xfer_data_out()
1731 struct scsi_ctrl_blk *scb = host->active; in initio_xpad_in()
1732 struct target_control *active_tc = host->active_tc; in initio_xpad_in()
1734 if ((scb->flags & SCF_DIR) != SCF_NO_DCHK) in initio_xpad_in()
1735 scb->hastat = HOST_DO_DU; /* over run */ in initio_xpad_in()
1737 if (active_tc->js_period & TSC_WIDE_SCSI) in initio_xpad_in()
1738 outl(2, host->addr + TUL_SCnt0); in initio_xpad_in()
1740 outl(1, host->addr + TUL_SCnt0); in initio_xpad_in()
1742 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_xpad_in()
1743 if (wait_tulip(host) == -1) in initio_xpad_in()
1744 return -1; in initio_xpad_in()
1745 if (host->phase != DATA_IN) { in initio_xpad_in()
1746 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_xpad_in()
1749 inb(host->addr + TUL_SFifo); in initio_xpad_in()
1755 struct scsi_ctrl_blk *scb = host->active; in initio_xpad_out()
1756 struct target_control *active_tc = host->active_tc; in initio_xpad_out()
1758 if ((scb->flags & SCF_DIR) != SCF_NO_DCHK) in initio_xpad_out()
1759 scb->hastat = HOST_DO_DU; /* over run */ in initio_xpad_out()
1761 if (active_tc->js_period & TSC_WIDE_SCSI) in initio_xpad_out()
1762 outl(2, host->addr + TUL_SCnt0); in initio_xpad_out()
1764 outl(1, host->addr + TUL_SCnt0); in initio_xpad_out()
1766 outb(0, host->addr + TUL_SFifo); in initio_xpad_out()
1767 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_xpad_out()
1768 if ((wait_tulip(host)) == -1) in initio_xpad_out()
1769 return -1; in initio_xpad_out()
1770 if (host->phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */ in initio_xpad_out()
1771 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); in initio_xpad_out()
1772 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_xpad_out()
1780 struct scsi_ctrl_blk *scb = host->active; in initio_status_msg()
1783 outb(TSC_CMD_COMP, host->addr + TUL_SCmd); in initio_status_msg()
1784 if (wait_tulip(host) == -1) in initio_status_msg()
1785 return -1; in initio_status_msg()
1788 scb->tastat = inb(host->addr + TUL_SFifo); in initio_status_msg()
1790 if (host->phase == MSG_OUT) { in initio_status_msg()
1791 if (host->jsstatus0 & TSS_PAR_ERROR) in initio_status_msg()
1792 outb(MSG_PARITY, host->addr + TUL_SFifo); in initio_status_msg()
1794 outb(MSG_NOP, host->addr + TUL_SFifo); in initio_status_msg()
1795 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_status_msg()
1798 if (host->phase == MSG_IN) { in initio_status_msg()
1799 msg = inb(host->addr + TUL_SFifo); in initio_status_msg()
1800 if (host->jsstatus0 & TSS_PAR_ERROR) { /* Parity error */ in initio_status_msg()
1801 if ((initio_msgin_accept(host)) == -1) in initio_status_msg()
1802 return -1; in initio_status_msg()
1803 if (host->phase != MSG_OUT) in initio_status_msg()
1805 outb(MSG_PARITY, host->addr + TUL_SFifo); in initio_status_msg()
1806 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_status_msg()
1811 if ((scb->tastat & 0x18) == 0x10) /* No link support */ in initio_status_msg()
1813 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_status_msg()
1814 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_status_msg()
1819 if ((scb->tastat & 0x18) == 0x10) in initio_status_msg()
1830 struct scsi_ctrl_blk *scb = host->active; in int_initio_busfree()
1833 if (scb->status & SCB_SELECT) { /* selection timeout */ in int_initio_busfree()
1835 scb->hastat = HOST_SEL_TOUT; in int_initio_busfree()
1839 scb->hastat = HOST_BUS_FREE; in int_initio_busfree()
1842 host->active = NULL; in int_initio_busfree()
1843 host->active_tc = NULL; in int_initio_busfree()
1845 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in int_initio_busfree()
1846 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in int_initio_busfree()
1847 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in int_initio_busfree()
1848 return -1; in int_initio_busfree()
1853 * int_initio_scsi_rst - SCSI reset occurred
1868 if (inb(host->addr + TUL_XStatus) & 0x01) { in int_initio_scsi_rst()
1869 outb(TAX_X_ABT | TAX_X_CLR_FIFO, host->addr + TUL_XCmd); in int_initio_scsi_rst()
1871 while ((inb(host->addr + TUL_Int) & 0x04) == 0) in int_initio_scsi_rst()
1873 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in int_initio_scsi_rst()
1877 scb->hastat = HOST_BAD_PHAS; in int_initio_scsi_rst()
1880 host->active = NULL; in int_initio_scsi_rst()
1881 host->active_tc = NULL; in int_initio_scsi_rst()
1884 for (i = 0; i < host->max_tar; i++) in int_initio_scsi_rst()
1885 host->targets[i].flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in int_initio_scsi_rst()
1886 return -1; in int_initio_scsi_rst()
1890 * int_initio_scsi_resel - Reselection occurred
1905 if ((scb = host->active) != NULL) { in int_initio_resel()
1907 if (scb->status & SCB_SELECT) /* if waiting for selection complete */ in int_initio_resel()
1908 scb->status &= ~SCB_SELECT; in int_initio_resel()
1909 host->active = NULL; in int_initio_resel()
1911 /* --------- get target id---------------------- */ in int_initio_resel()
1912 tar = inb(host->addr + TUL_SBusId); in int_initio_resel()
1913 /* ------ get LUN from Identify message----------- */ in int_initio_resel()
1914 lun = inb(host->addr + TUL_SIdent) & 0x0F; in int_initio_resel()
1915 /* 07/22/98 from 0x1F -> 0x0F */ in int_initio_resel()
1916 active_tc = &host->targets[tar]; in int_initio_resel()
1917 host->active_tc = active_tc; in int_initio_resel()
1918 outb(active_tc->sconfig0, host->addr + TUL_SConfig); in int_initio_resel()
1919 outb(active_tc->js_period, host->addr + TUL_SPeriod); in int_initio_resel()
1921 /* ------------- tag queueing ? ------------------- */ in int_initio_resel()
1922 if (active_tc->drv_flags & TCF_DRV_EN_TAG) { in int_initio_resel()
1923 if ((initio_msgin_accept(host)) == -1) in int_initio_resel()
1924 return -1; in int_initio_resel()
1925 if (host->phase != MSG_IN) in int_initio_resel()
1927 outl(1, host->addr + TUL_SCnt0); in int_initio_resel()
1928 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in int_initio_resel()
1929 if (wait_tulip(host) == -1) in int_initio_resel()
1930 return -1; in int_initio_resel()
1931 msg = inb(host->addr + TUL_SFifo); /* Read Tag Message */ in int_initio_resel()
1936 if (initio_msgin_accept(host) == -1) in int_initio_resel()
1937 return -1; in int_initio_resel()
1939 if (host->phase != MSG_IN) in int_initio_resel()
1942 outl(1, host->addr + TUL_SCnt0); in int_initio_resel()
1943 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in int_initio_resel()
1944 if (wait_tulip(host) == -1) in int_initio_resel()
1945 return -1; in int_initio_resel()
1946 tag = inb(host->addr + TUL_SFifo); /* Read Tag ID */ in int_initio_resel()
1947 scb = host->scb + tag; in int_initio_resel()
1948 if (scb->target != tar || scb->lun != lun) { in int_initio_resel()
1951 if (scb->status != SCB_BUSY) { /* 03/24/95 */ in int_initio_resel()
1954 host->active = scb; in int_initio_resel()
1955 if ((initio_msgin_accept(host)) == -1) in int_initio_resel()
1956 return -1; in int_initio_resel()
1962 host->active = scb; in int_initio_resel()
1963 if (!(active_tc->drv_flags & TCF_DRV_EN_TAG)) { in int_initio_resel()
1964 if ((initio_msgin_accept(host)) == -1) in int_initio_resel()
1965 return -1; in int_initio_resel()
1972 * int_initio_bad_seq - out of phase
1975 * We have ended up out of phase somehow. Reset the host controller
1980 { /* target wrong phase */ in int_initio_bad_seq()
1987 scb->hastat = HOST_BAD_PHAS; in int_initio_bad_seq()
1990 for (i = 0; i < host->max_tar; i++) in int_initio_bad_seq()
1991 host->targets[i].flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in int_initio_bad_seq()
1992 return -1; in int_initio_bad_seq()
1997 * initio_msgout_abort_targ - abort a tag
2007 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgout_abort_targ()
2008 if (initio_msgin_accept(host) == -1) in initio_msgout_abort_targ()
2009 return -1; in initio_msgout_abort_targ()
2010 if (host->phase != MSG_OUT) in initio_msgout_abort_targ()
2013 outb(MSG_ABORT, host->addr + TUL_SFifo); in initio_msgout_abort_targ()
2014 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_abort_targ()
2020 * initio_msgout_abort_tag - abort a tag
2030 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgout_abort_tag()
2031 if (initio_msgin_accept(host) == -1) in initio_msgout_abort_tag()
2032 return -1; in initio_msgout_abort_tag()
2033 if (host->phase != MSG_OUT) in initio_msgout_abort_tag()
2036 outb(MSG_ABORT_TAG, host->addr + TUL_SFifo); in initio_msgout_abort_tag()
2037 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_abort_tag()
2044 * initio_msgin - Message in
2054 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_msgin()
2056 outl(1, host->addr + TUL_SCnt0); in initio_msgin()
2057 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_msgin()
2058 if (wait_tulip(host) == -1) in initio_msgin()
2059 return -1; in initio_msgin()
2061 switch (inb(host->addr + TUL_SFifo)) { in initio_msgin()
2063 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_msgin()
2071 outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), in initio_msgin()
2072 host->addr + TUL_SSignal); in initio_msgin()
2073 active_tc = host->active_tc; in initio_msgin()
2074 if ((active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) /* do sync nego */ in initio_msgin()
2075 outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), in initio_msgin()
2076 host->addr + TUL_SSignal); in initio_msgin()
2086 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_msgin()
2087 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_msgin()
2093 if (host->phase != MSG_IN) in initio_msgin()
2094 return host->phase; in initio_msgin()
2101 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgout_reject()
2103 if (initio_msgin_accept(host) == -1) in initio_msgout_reject()
2104 return -1; in initio_msgout_reject()
2106 if (host->phase == MSG_OUT) { in initio_msgout_reject()
2107 outb(MSG_REJ, host->addr + TUL_SFifo); /* Msg reject */ in initio_msgout_reject()
2108 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_reject()
2111 return host->phase; in initio_msgout_reject()
2116 outb(MSG_IDE, host->addr + TUL_SFifo); /* Initiator Detected Error */ in initio_msgout_ide()
2117 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_ide()
2126 return host->phase; in initio_msgin_extend()
2129 outl(1, host->addr + TUL_SCnt0); in initio_msgin_extend()
2130 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_msgin_extend()
2131 if (wait_tulip(host) == -1) in initio_msgin_extend()
2132 return -1; in initio_msgin_extend()
2134 len = inb(host->addr + TUL_SFifo); in initio_msgin_extend()
2135 host->msg[0] = len; in initio_msgin_extend()
2136 for (idx = 1; len != 0; len--) { in initio_msgin_extend()
2139 return host->phase; in initio_msgin_extend()
2140 outl(1, host->addr + TUL_SCnt0); in initio_msgin_extend()
2141 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_msgin_extend()
2142 if (wait_tulip(host) == -1) in initio_msgin_extend()
2143 return -1; in initio_msgin_extend()
2144 host->msg[idx++] = inb(host->addr + TUL_SFifo); in initio_msgin_extend()
2146 if (host->msg[1] == 1) { /* if it's synchronous data transfer request */ in initio_msgin_extend()
2148 if (host->msg[0] != 3) /* if length is not right */ in initio_msgin_extend()
2150 if (host->active_tc->flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */ in initio_msgin_extend()
2151 host->msg[3] = 0; in initio_msgin_extend()
2154 (host->active_tc->flags & TCF_SYNC_DONE)) { in initio_msgin_extend()
2160 r = inb(host->addr + TUL_SSignal); in initio_msgin_extend()
2162 host->addr + TUL_SSignal); in initio_msgin_extend()
2164 return host->phase; in initio_msgin_extend()
2166 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_msgin_extend()
2170 outb(MSG_EXTEND, host->addr + TUL_SFifo); in initio_msgin_extend()
2171 outb(3, host->addr + TUL_SFifo); in initio_msgin_extend()
2172 outb(1, host->addr + TUL_SFifo); in initio_msgin_extend()
2173 outb(host->msg[2], host->addr + TUL_SFifo); in initio_msgin_extend()
2174 outb(host->msg[3], host->addr + TUL_SFifo); in initio_msgin_extend()
2175 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgin_extend()
2178 if (host->msg[0] != 2 || host->msg[1] != 3) in initio_msgin_extend()
2181 if (host->active_tc->flags & TCF_NO_WDTR) { in initio_msgin_extend()
2182 host->msg[2] = 0; in initio_msgin_extend()
2184 if (host->msg[2] > 2) /* > 32 bits */ in initio_msgin_extend()
2186 if (host->msg[2] == 2) { /* == 32 */ in initio_msgin_extend()
2187 host->msg[2] = 1; in initio_msgin_extend()
2189 if ((host->active_tc->flags & TCF_NO_WDTR) == 0) { in initio_msgin_extend()
2191 if ((host->active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) in initio_msgin_extend()
2192 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgin_extend()
2197 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgin_extend()
2200 return host->phase; in initio_msgin_extend()
2202 outb(MSG_EXTEND, host->addr + TUL_SFifo); in initio_msgin_extend()
2203 outb(2, host->addr + TUL_SFifo); in initio_msgin_extend()
2204 outb(3, host->addr + TUL_SFifo); in initio_msgin_extend()
2205 outb(host->msg[2], host->addr + TUL_SFifo); in initio_msgin_extend()
2206 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgin_extend()
2214 default_period = initio_rate_tbl[host->active_tc->flags & TCF_SCSI_RATE]; in initio_msgin_sync()
2215 if (host->msg[3] > MAX_OFFSET) { in initio_msgin_sync()
2216 host->msg[3] = MAX_OFFSET; in initio_msgin_sync()
2217 if (host->msg[2] < default_period) { in initio_msgin_sync()
2218 host->msg[2] = default_period; in initio_msgin_sync()
2221 if (host->msg[2] >= 59) /* Change to async */ in initio_msgin_sync()
2222 host->msg[3] = 0; in initio_msgin_sync()
2226 if (host->msg[3] == 0) { in initio_msgin_sync()
2229 if (host->msg[2] < default_period) { in initio_msgin_sync()
2230 host->msg[2] = default_period; in initio_msgin_sync()
2233 if (host->msg[2] >= 59) { in initio_msgin_sync()
2234 host->msg[3] = 0; in initio_msgin_sync()
2242 host->active_tc->flags &= ~TCF_SYNC_DONE; in wdtr_done()
2243 host->active_tc->flags |= TCF_WDTR_DONE; in wdtr_done()
2245 host->active_tc->js_period = 0; in wdtr_done()
2246 if (host->msg[2]) /* if 16 bit */ in wdtr_done()
2247 host->active_tc->js_period |= TSC_WIDE_SCSI; in wdtr_done()
2248 host->active_tc->sconfig0 &= ~TSC_ALT_PERIOD; in wdtr_done()
2249 outb(host->active_tc->sconfig0, host->addr + TUL_SConfig); in wdtr_done()
2250 outb(host->active_tc->js_period, host->addr + TUL_SPeriod); in wdtr_done()
2259 host->active_tc->flags |= TCF_SYNC_DONE; in initio_sync_done()
2261 if (host->msg[3]) { in initio_sync_done()
2262 host->active_tc->js_period |= host->msg[3]; in initio_sync_done()
2264 if (initio_rate_tbl[i] >= host->msg[2]) /* pick the big one */ in initio_sync_done()
2267 host->active_tc->js_period |= (i << 4); in initio_sync_done()
2268 host->active_tc->sconfig0 |= TSC_ALT_PERIOD; in initio_sync_done()
2270 outb(host->active_tc->sconfig0, host->addr + TUL_SConfig); in initio_sync_done()
2271 outb(host->active_tc->js_period, host->addr + TUL_SPeriod); in initio_sync_done()
2273 return -1; in initio_sync_done()
2283 host->active = NULL; in initio_post_scsi_rst()
2284 host->active_tc = NULL; in initio_post_scsi_rst()
2285 host->flags = 0; in initio_post_scsi_rst()
2288 scb->hastat = HOST_BAD_PHAS; in initio_post_scsi_rst()
2292 active_tc = &host->targets[0]; in initio_post_scsi_rst()
2293 for (i = 0; i < host->max_tar; active_tc++, i++) { in initio_post_scsi_rst()
2294 active_tc->flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in initio_post_scsi_rst()
2296 active_tc->js_period = 0; in initio_post_scsi_rst()
2297 active_tc->sconfig0 = host->sconf1; in initio_post_scsi_rst()
2298 host->act_tags[0] = 0; /* 07/22/98 */ in initio_post_scsi_rst()
2299 host->targets[i].flags &= ~TCF_BUSY; /* 07/22/98 */ in initio_post_scsi_rst()
2302 return -1; in initio_post_scsi_rst()
2307 scb->status |= SCB_SELECT; in initio_select_atn_stop()
2308 scb->next_state = 0x1; in initio_select_atn_stop()
2309 host->active = scb; in initio_select_atn_stop()
2310 host->active_tc = &host->targets[scb->target]; in initio_select_atn_stop()
2311 outb(TSC_SELATNSTOP, host->addr + TUL_SCmd); in initio_select_atn_stop()
2319 scb->status |= SCB_SELECT; in initio_select_atn()
2320 scb->next_state = 0x2; in initio_select_atn()
2322 outb(scb->ident, host->addr + TUL_SFifo); in initio_select_atn()
2323 for (i = 0; i < (int) scb->cdblen; i++) in initio_select_atn()
2324 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_select_atn()
2325 host->active_tc = &host->targets[scb->target]; in initio_select_atn()
2326 host->active = scb; in initio_select_atn()
2327 outb(TSC_SEL_ATN, host->addr + TUL_SCmd); in initio_select_atn()
2334 scb->status |= SCB_SELECT; in initio_select_atn3()
2335 scb->next_state = 0x2; in initio_select_atn3()
2337 outb(scb->ident, host->addr + TUL_SFifo); in initio_select_atn3()
2338 outb(scb->tagmsg, host->addr + TUL_SFifo); in initio_select_atn3()
2339 outb(scb->tagid, host->addr + TUL_SFifo); in initio_select_atn3()
2340 for (i = 0; i < scb->cdblen; i++) in initio_select_atn3()
2341 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_select_atn3()
2342 host->active_tc = &host->targets[scb->target]; in initio_select_atn3()
2343 host->active = scb; in initio_select_atn3()
2344 outb(TSC_SEL_ATN3, host->addr + TUL_SCmd); in initio_select_atn3()
2348 * initio_bus_device_reset - SCSI Bus Device Reset
2356 struct scsi_ctrl_blk *scb = host->active; in initio_bus_device_reset()
2357 struct target_control *active_tc = host->active_tc; in initio_bus_device_reset()
2361 if (host->phase != MSG_OUT) in initio_bus_device_reset()
2362 return int_initio_bad_seq(host); /* Unexpected phase */ in initio_bus_device_reset()
2368 tar = scb->target; /* target */ in initio_bus_device_reset()
2369 active_tc->flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY); in initio_bus_device_reset()
2373 prev = tmp = host->first_busy; /* Check Busy queue */ in initio_bus_device_reset()
2375 if (tmp->target == tar) { in initio_bus_device_reset()
2377 if (tmp == host->first_busy) { in initio_bus_device_reset()
2378 if ((host->first_busy = tmp->next) == NULL) in initio_bus_device_reset()
2379 host->last_busy = NULL; in initio_bus_device_reset()
2381 prev->next = tmp->next; in initio_bus_device_reset()
2382 if (tmp == host->last_busy) in initio_bus_device_reset()
2383 host->last_busy = prev; in initio_bus_device_reset()
2385 tmp->hastat = HOST_ABORTED; in initio_bus_device_reset()
2392 tmp = tmp->next; in initio_bus_device_reset()
2394 outb(MSG_DEVRST, host->addr + TUL_SFifo); in initio_bus_device_reset()
2395 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_bus_device_reset()
2402 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_msgin_accept()
2409 while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) in wait_tulip()
2413 host->jsint = inb(host->addr + TUL_SInt); in wait_tulip()
2414 host->phase = host->jsstatus0 & TSS_PH_MASK; in wait_tulip()
2415 host->jsstatus1 = inb(host->addr + TUL_SStatus1); in wait_tulip()
2417 if (host->jsint & TSS_RESEL_INT) /* if SCSI bus reset detected */ in wait_tulip()
2419 if (host->jsint & TSS_SEL_TIMEOUT) /* if selected/reselected timeout interrupt */ in wait_tulip()
2421 if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ in wait_tulip()
2424 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in wait_tulip()
2425 if (host->flags & HCF_EXPECT_DONE_DISC) { in wait_tulip()
2426 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in wait_tulip()
2427 initio_unlink_busy_scb(host, host->active); in wait_tulip()
2428 host->active->hastat = 0; in wait_tulip()
2429 initio_append_done_scb(host, host->active); in wait_tulip()
2430 host->active = NULL; in wait_tulip()
2431 host->active_tc = NULL; in wait_tulip()
2432 host->flags &= ~HCF_EXPECT_DONE_DISC; in wait_tulip()
2433 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in wait_tulip()
2434 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in wait_tulip()
2435 return -1; in wait_tulip()
2437 if (host->flags & HCF_EXPECT_DISC) { in wait_tulip()
2438 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in wait_tulip()
2439 host->active = NULL; in wait_tulip()
2440 host->active_tc = NULL; in wait_tulip()
2441 host->flags &= ~HCF_EXPECT_DISC; in wait_tulip()
2442 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in wait_tulip()
2443 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in wait_tulip()
2444 return -1; in wait_tulip()
2449 if (host->jsint & (TSS_FUNC_COMP | TSS_BUS_SERV)) in wait_tulip()
2450 return host->phase; in wait_tulip()
2451 return host->phase; in wait_tulip()
2456 while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) & TSS_INT_PENDING)) in initio_wait_disc()
2459 host->jsint = inb(host->addr + TUL_SInt); in initio_wait_disc()
2461 if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ in initio_wait_disc()
2463 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in initio_wait_disc()
2464 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in initio_wait_disc()
2465 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in initio_wait_disc()
2466 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in initio_wait_disc()
2467 host->active = NULL; in initio_wait_disc()
2468 return -1; in initio_wait_disc()
2475 while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) in initio_wait_done_disc()
2479 host->jsint = inb(host->addr + TUL_SInt); in initio_wait_done_disc()
2481 if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ in initio_wait_done_disc()
2483 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in initio_wait_done_disc()
2484 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in initio_wait_done_disc()
2485 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in initio_wait_done_disc()
2486 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in initio_wait_done_disc()
2487 initio_unlink_busy_scb(host, host->active); in initio_wait_done_disc()
2489 initio_append_done_scb(host, host->active); in initio_wait_done_disc()
2490 host->active = NULL; in initio_wait_done_disc()
2491 return -1; in initio_wait_done_disc()
2497 * i91u_intr - IRQ handler
2511 spin_lock_irqsave(dev->host_lock, flags); in i91u_intr()
2512 r = initio_isr((struct initio_host *)dev->hostdata); in i91u_intr()
2513 spin_unlock_irqrestore(dev->host_lock, flags); in i91u_intr()
2522 * initio_build_scb - Build the mappings and SCB
2541 cblk->post = i91uSCBPost; /* i91u's callback routine */ in initio_build_scb()
2542 cblk->srb = cmnd; in initio_build_scb()
2543 cblk->opcode = ExecSCSI; in initio_build_scb()
2544 cblk->flags = SCF_POST; /* After SCSI done, call post routine */ in initio_build_scb()
2545 cblk->target = cmnd->device->id; in initio_build_scb()
2546 cblk->lun = cmnd->device->lun; in initio_build_scb()
2547 cblk->ident = cmnd->device->lun | DISC_ALLOW; in initio_build_scb()
2549 cblk->flags |= SCF_SENSE; /* Turn on auto request sense */ in initio_build_scb()
2552 dma_addr = dma_map_single(&host->pci_dev->dev, cmnd->sense_buffer, in initio_build_scb()
2554 cblk->senseptr = (u32)dma_addr; in initio_build_scb()
2555 cblk->senselen = SENSE_SIZE; in initio_build_scb()
2556 cmnd->SCp.ptr = (char *)(unsigned long)dma_addr; in initio_build_scb()
2557 cblk->cdblen = cmnd->cmd_len; in initio_build_scb()
2560 cblk->hastat = 0; in initio_build_scb()
2561 cblk->tastat = 0; in initio_build_scb()
2563 memcpy(cblk->cdb, cmnd->cmnd, cmnd->cmd_len); in initio_build_scb()
2566 if (cmnd->device->tagged_supported) { /* Tag Support */ in initio_build_scb()
2567 cblk->tagmsg = SIMPLE_QUEUE_TAG; /* Do simple tag only */ in initio_build_scb()
2569 cblk->tagmsg = 0; /* No tag support */ in initio_build_scb()
2576 dma_addr = dma_map_single(&host->pci_dev->dev, &cblk->sglist[0], in initio_build_scb()
2579 cblk->bufptr = (u32)dma_addr; in initio_build_scb()
2580 cmnd->SCp.dma_handle = dma_addr; in initio_build_scb()
2582 cblk->sglen = nseg; in initio_build_scb()
2584 cblk->flags |= SCF_SG; /* Turn on SG list flag */ in initio_build_scb()
2586 sg = &cblk->sglist[0]; in initio_build_scb()
2587 scsi_for_each_sg(cmnd, sglist, cblk->sglen, i) { in initio_build_scb()
2588 sg->data = cpu_to_le32((u32)sg_dma_address(sglist)); in initio_build_scb()
2589 sg->len = cpu_to_le32((u32)sg_dma_len(sglist)); in initio_build_scb()
2594 cblk->buflen = (scsi_bufflen(cmnd) > total_len) ? in initio_build_scb()
2597 cblk->buflen = 0; in initio_build_scb()
2598 cblk->sglen = 0; in initio_build_scb()
2603 * i91u_queuecommand - Queue a new command if possible
2615 struct initio_host *host = (struct initio_host *) cmd->device->host->hostdata; in i91u_queuecommand_lck()
2618 cmd->scsi_done = done; in i91u_queuecommand_lck()
2632 * i91u_bus_reset - reset the SCSI bus in DEF_SCSI_QCMD()
2642 host = (struct initio_host *) cmnd->device->host->hostdata; in DEF_SCSI_QCMD()
2644 spin_lock_irq(cmnd->device->host->host_lock); in DEF_SCSI_QCMD()
2646 spin_unlock_irq(cmnd->device->host->host_lock); in DEF_SCSI_QCMD()
2652 * i91u_biospararm - return the "logical geometry
2670 host = (struct initio_host *) sdev->host->hostdata; in i91u_biosparam()
2671 tc = &host->targets[sdev->id]; in i91u_biosparam()
2673 if (tc->heads) { in i91u_biosparam()
2674 info_array[0] = tc->heads; in i91u_biosparam()
2675 info_array[1] = tc->sectors; in i91u_biosparam()
2676 info_array[2] = (unsigned long)capacity / tc->heads / tc->sectors; in i91u_biosparam()
2678 if (tc->drv_flags & TCF_DRV_255_63) { in i91u_biosparam()
2701 * i91u_unmap_scb - Unmap a command
2712 if (cmnd->SCp.ptr) { in i91u_unmap_scb()
2713 dma_unmap_single(&pci_dev->dev, in i91u_unmap_scb()
2714 (dma_addr_t)((unsigned long)cmnd->SCp.ptr), in i91u_unmap_scb()
2716 cmnd->SCp.ptr = NULL; in i91u_unmap_scb()
2721 dma_unmap_single(&pci_dev->dev, cmnd->SCp.dma_handle, in i91u_unmap_scb()
2730 * i91uSCBPost - SCSI callback
2746 if ((cmnd = cblk->srb) == NULL) { in i91uSCBPost()
2756 switch (cblk->hastat) { in i91uSCBPost()
2760 cblk->hastat = 0; in i91uSCBPost()
2763 case 0x11: /* Selection time out-The initiator selection or target in i91uSCBPost()
2765 cblk->hastat = DID_TIME_OUT; in i91uSCBPost()
2768 case 0x14: /* Target bus phase sequence failure-An invalid bus phase or bus in i91uSCBPost()
2769 phase sequence was requested by the target. The host adapter in i91uSCBPost()
2772 cblk->hastat = DID_RESET; in i91uSCBPost()
2776 cblk->hastat = DID_ABORT; in i91uSCBPost()
2779 case 0x12: /* Data overrun/underrun-The target attempted to transfer more data in i91uSCBPost()
2782 case 0x13: /* Unexpected bus free-The target dropped the SCSI BSY at an unexpected time. */ in i91uSCBPost()
2786 printk("ini9100u: %x %x\n", cblk->hastat, cblk->tastat); in i91uSCBPost()
2787 cblk->hastat = DID_ERROR; /* Couldn't find any better */ in i91uSCBPost()
2791 cmnd->result = cblk->tastat | (cblk->hastat << 16); in i91uSCBPost()
2792 i91u_unmap_scb(host->pci_dev, cmnd); in i91uSCBPost()
2793 cmnd->scsi_done(cmnd); /* Notify system DONE */ in i91uSCBPost()
2799 .name = "Initio INI-9X00U/UW SCSI device driver",
2828 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { in initio_probe_one()
2830 error = -ENODEV; in initio_probe_one()
2836 error = -ENOMEM; in initio_probe_one()
2839 host = (struct initio_host *)shost->hostdata; in initio_probe_one()
2841 host->addr = pci_resource_start(pdev, 0); in initio_probe_one()
2842 host->bios_addr = bios_seg; in initio_probe_one()
2844 if (!request_region(host->addr, 256, "i91u")) { in initio_probe_one()
2845 printk(KERN_WARNING "initio: I/O port range 0x%x is busy.\n", host->addr); in initio_probe_one()
2846 error = -ENODEV; in initio_probe_one()
2853 num_scb = MAX_TARGETS + 3; /* 1-tape, 1-CD_ROM, 1- extra */ in initio_probe_one()
2855 for (; num_scb >= MAX_TARGETS + 3; num_scb--) { in initio_probe_one()
2863 error = -ENOMEM; in initio_probe_one()
2867 host->pci_dev = pdev; in initio_probe_one()
2869 host->semaph = 1; in initio_probe_one()
2870 spin_lock_init(&host->semaph_lock); in initio_probe_one()
2871 host->num_scbs = num_scb; in initio_probe_one()
2872 host->scb = scb; in initio_probe_one()
2873 host->next_pending = scb; in initio_probe_one()
2874 host->next_avail = scb; in initio_probe_one()
2876 tmp->tagid = i; in initio_probe_one()
2878 prev->next = tmp; in initio_probe_one()
2881 prev->next = NULL; in initio_probe_one()
2882 host->scb_end = tmp; in initio_probe_one()
2883 host->first_avail = scb; in initio_probe_one()
2884 host->last_avail = prev; in initio_probe_one()
2885 spin_lock_init(&host->avail_lock); in initio_probe_one()
2889 host->jsstatus0 = 0; in initio_probe_one()
2891 shost->io_port = host->addr; in initio_probe_one()
2892 shost->n_io_port = 0xff; in initio_probe_one()
2893 shost->can_queue = num_scb; /* 03/05/98 */ in initio_probe_one()
2894 shost->unique_id = host->addr; in initio_probe_one()
2895 shost->max_id = host->max_tar; in initio_probe_one()
2896 shost->max_lun = 32; /* 10/21/97 */ in initio_probe_one()
2897 shost->irq = pdev->irq; in initio_probe_one()
2898 shost->this_id = host->scsi_id; /* Assign HCS index */ in initio_probe_one()
2899 shost->base = host->addr; in initio_probe_one()
2900 shost->sg_tablesize = TOTAL_SG_ENTRY; in initio_probe_one()
2902 error = request_irq(pdev->irq, i91u_intr, IRQF_SHARED, "i91u", shost); in initio_probe_one()
2904 printk(KERN_WARNING "initio: Unable to request IRQ %d\n", pdev->irq); in initio_probe_one()
2910 error = scsi_add_host(shost, &pdev->dev); in initio_probe_one()
2916 free_irq(pdev->irq, shost); in initio_probe_one()
2918 kfree(host->scb); in initio_probe_one()
2920 release_region(host->addr, 256); in initio_probe_one()
2929 * initio_remove_one - control shutdown
2939 struct initio_host *s = (struct initio_host *)host->hostdata; in initio_remove_one()
2941 free_irq(pdev->irq, host); in initio_remove_one()
2942 release_region(s->addr, 256); in initio_remove_one()
2967 MODULE_DESCRIPTION("Initio INI-9X00U/UW SCSI device driver");