Lines Matching full:host
14 * This is the Linux low-level SCSI driver for Initio INI-9X00U/UW SCSI host
117 static struct scsi_ctrl_blk *initio_find_busy_scb(struct initio_host * host, u16 tarlun);
118 static struct scsi_ctrl_blk *initio_find_done_scb(struct initio_host * host);
120 static int tulip_main(struct initio_host * host);
122 static int initio_next_state(struct initio_host * host);
123 static int initio_state_1(struct initio_host * host);
124 static int initio_state_2(struct initio_host * host);
125 static int initio_state_3(struct initio_host * host);
126 static int initio_state_4(struct initio_host * host);
127 static int initio_state_5(struct initio_host * host);
128 static int initio_state_6(struct initio_host * host);
129 static int initio_state_7(struct initio_host * host);
130 static int initio_xfer_data_in(struct initio_host * host);
131 static int initio_xfer_data_out(struct initio_host * host);
132 static int initio_xpad_in(struct initio_host * host);
133 static int initio_xpad_out(struct initio_host * host);
134 static int initio_status_msg(struct initio_host * host);
136 static int initio_msgin(struct initio_host * host);
137 static int initio_msgin_sync(struct initio_host * host);
138 static int initio_msgin_accept(struct initio_host * host);
139 static int initio_msgout_reject(struct initio_host * host);
140 static int initio_msgin_extend(struct initio_host * host);
142 static int initio_msgout_ide(struct initio_host * host);
143 static int initio_msgout_abort_targ(struct initio_host * host);
144 static int initio_msgout_abort_tag(struct initio_host * host);
146 static int initio_bus_device_reset(struct initio_host * host);
147 static void initio_select_atn(struct initio_host * host, struct scsi_ctrl_blk * scb);
148 static void initio_select_atn3(struct initio_host * host, struct scsi_ctrl_blk * scb);
149 static void initio_select_atn_stop(struct initio_host * host, struct scsi_ctrl_blk * scb);
150 static int int_initio_busfree(struct initio_host * host);
151 static int int_initio_scsi_rst(struct initio_host * host);
152 static int int_initio_bad_seq(struct initio_host * host);
153 static int int_initio_resel(struct initio_host * host);
154 static int initio_sync_done(struct initio_host * host);
155 static int wdtr_done(struct initio_host * host);
156 static int wait_tulip(struct initio_host * host);
157 static int initio_wait_done_disc(struct initio_host * host);
158 static int initio_wait_disc(struct initio_host * host);
159 static void tulip_scsi(struct initio_host * host);
160 static int initio_post_scsi_rst(struct initio_host * host);
179 /* -- Host Adapter Structure -- */
471 * @base: Base of InitIO Host Adapter
473 * Retrieve the host adapter configuration data from E2Prom. If the
501 * @host: InitIO we are stopping
506 static void initio_stop_bm(struct initio_host * host) in initio_stop_bm() argument
509 if (inb(host->addr + TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ in initio_stop_bm()
510 outb(TAX_X_ABT | TAX_X_CLR_FIFO, host->addr + TUL_XCmd); in initio_stop_bm()
512 while ((inb(host->addr + TUL_Int) & XABT) == 0) in initio_stop_bm()
515 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_stop_bm()
519 * initio_reset_scsi - Reset SCSI host controller
520 * @host: InitIO host to reset
526 static int initio_reset_scsi(struct initio_host * host, int seconds) in initio_reset_scsi() argument
528 outb(TSC_RST_BUS, host->addr + TUL_SCtrl0); in initio_reset_scsi()
530 while (!((host->jsint = inb(host->addr + TUL_SInt)) & TSS_SCSIRST_INT)) in initio_reset_scsi()
534 outb(0, host->addr + TUL_SSignal); in initio_reset_scsi()
541 inb(host->addr + TUL_SInt); in initio_reset_scsi()
546 * initio_init - set up an InitIO host adapter
547 * @host: InitIO host adapter
550 * Set up the host adapter and devices according to the configuration
557 static void initio_init(struct initio_host * host, u8 *bios_addr) in initio_init() argument
564 initio_read_eeprom(host->addr); in initio_init()
566 host->max_tar = 8; in initio_init()
568 host->max_tar = 16; in initio_init()
570 host->config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1; in initio_init()
572 host->scsi_id = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID; in initio_init()
573 host->idmask = ~(1 << host->scsi_id); in initio_init()
577 outb(inb(host->addr + TUL_PCMD) | 0x40, host->addr + TUL_PCMD); in initio_init()
581 outb(0x1F, host->addr + TUL_Mask); in initio_init()
583 initio_stop_bm(host); in initio_init()
585 outb(TSC_RST_CHIP, host->addr + TUL_SCtrl0); in initio_init()
588 outb(host->scsi_id << 4, host->addr + TUL_SScsiId); in initio_init()
592 if (host->config & HCC_EN_PAR) in initio_init()
593 host->sconf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR); in initio_init()
595 host->sconf1 = (TSC_INITDEFAULT); in initio_init()
596 outb(host->sconf1, host->addr + TUL_SConfig); in initio_init()
599 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); in initio_init()
601 outb(0, host->addr + TUL_SPeriod); in initio_init()
604 outb(153, host->addr + TUL_STimeOut); in initio_init()
607 outb((host->config & (HCC_ACT_TERM1 | HCC_ACT_TERM2)), in initio_init()
608 host->addr + TUL_XCtrl); in initio_init()
609 outb(((host->config & HCC_AUTO_TERM) >> 4) | in initio_init()
610 (inb(host->addr + TUL_GCTRL1) & 0xFE), in initio_init()
611 host->addr + TUL_GCTRL1); in initio_init()
616 i < host->max_tar; in initio_init()
618 host->targets[i].flags = *flags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in initio_init()
619 if (host->targets[i].flags & TCF_EN_255) in initio_init()
620 host->targets[i].drv_flags = TCF_DRV_255_63; in initio_init()
622 host->targets[i].drv_flags = 0; in initio_init()
623 host->targets[i].js_period = 0; in initio_init()
624 host->targets[i].sconfig0 = host->sconf1; in initio_init()
625 host->targets[i].heads = *heads++; in initio_init()
626 if (host->targets[i].heads == 255) in initio_init()
627 host->targets[i].drv_flags = TCF_DRV_255_63; in initio_init()
629 host->targets[i].drv_flags = 0; in initio_init()
630 host->targets[i].sectors = *heads++; in initio_init()
631 host->targets[i].flags &= ~TCF_BUSY; in initio_init()
632 host->act_tags[i] = 0; in initio_init()
633 host->max_tags[i] = 0xFF; in initio_init()
636 host->addr, host->pci_dev->irq, in initio_init()
637 host->bios_addr, host->scsi_id); in initio_init()
639 if (host->config & HCC_SCSI_RESET) { in initio_init()
641 initio_reset_scsi(host, 10); in initio_init()
643 outb(0x17, host->addr + TUL_SCFG1); in initio_init()
644 outb(0xE9, host->addr + TUL_SIntEnable); in initio_init()
649 * @host: InitIO host we are allocating for
654 static struct scsi_ctrl_blk *initio_alloc_scb(struct initio_host *host) in initio_alloc_scb() argument
659 spin_lock_irqsave(&host->avail_lock, flags); in initio_alloc_scb()
660 if ((scb = host->first_avail) != NULL) { in initio_alloc_scb()
664 if ((host->first_avail = scb->next) == NULL) in initio_alloc_scb()
665 host->last_avail = NULL; in initio_alloc_scb()
669 spin_unlock_irqrestore(&host->avail_lock, flags); in initio_alloc_scb()
675 * @host: InitIO host that owns the SCB
678 * Return an allocated SCB to the host free list
681 static void initio_release_scb(struct initio_host * host, struct scsi_ctrl_blk * cmnd) in initio_release_scb() argument
688 spin_lock_irqsave(&(host->avail_lock), flags); in initio_release_scb()
692 if (host->last_avail != NULL) { in initio_release_scb()
693 host->last_avail->next = cmnd; in initio_release_scb()
694 host->last_avail = cmnd; in initio_release_scb()
696 host->first_avail = cmnd; in initio_release_scb()
697 host->last_avail = cmnd; in initio_release_scb()
699 spin_unlock_irqrestore(&(host->avail_lock), flags); in initio_release_scb()
703 static void initio_append_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) in initio_append_pend_scb() argument
711 if (host->last_pending != NULL) { in initio_append_pend_scb()
712 host->last_pending->next = scbp; in initio_append_pend_scb()
713 host->last_pending = scbp; in initio_append_pend_scb()
715 host->first_pending = scbp; in initio_append_pend_scb()
716 host->last_pending = scbp; in initio_append_pend_scb()
721 static void initio_push_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) in initio_push_pend_scb() argument
728 if ((scbp->next = host->first_pending) != NULL) { in initio_push_pend_scb()
729 host->first_pending = scbp; in initio_push_pend_scb()
731 host->first_pending = scbp; in initio_push_pend_scb()
732 host->last_pending = scbp; in initio_push_pend_scb()
736 static struct scsi_ctrl_blk *initio_find_first_pend_scb(struct initio_host * host) in initio_find_first_pend_scb() argument
741 first = host->first_pending; in initio_find_first_pend_scb()
746 if ((host->act_tags[first->target] == 0) && in initio_find_first_pend_scb()
747 !(host->targets[first->target].flags & TCF_BUSY)) in initio_find_first_pend_scb()
750 if ((host->act_tags[first->target] >= in initio_find_first_pend_scb()
751 host->max_tags[first->target]) | in initio_find_first_pend_scb()
752 (host->targets[first->target].flags & TCF_BUSY)) { in initio_find_first_pend_scb()
763 static void initio_unlink_pend_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_unlink_pend_scb() argument
771 prev = tmp = host->first_pending; in initio_unlink_pend_scb()
774 if (tmp == host->first_pending) { in initio_unlink_pend_scb()
775 if ((host->first_pending = tmp->next) == NULL) in initio_unlink_pend_scb()
776 host->last_pending = NULL; in initio_unlink_pend_scb()
779 if (tmp == host->last_pending) in initio_unlink_pend_scb()
780 host->last_pending = prev; in initio_unlink_pend_scb()
790 static void initio_append_busy_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) in initio_append_busy_scb() argument
797 host->act_tags[scbp->target]++; in initio_append_busy_scb()
799 host->targets[scbp->target].flags |= TCF_BUSY; in initio_append_busy_scb()
802 if (host->last_busy != NULL) { in initio_append_busy_scb()
803 host->last_busy->next = scbp; in initio_append_busy_scb()
804 host->last_busy = scbp; in initio_append_busy_scb()
806 host->first_busy = scbp; in initio_append_busy_scb()
807 host->last_busy = scbp; in initio_append_busy_scb()
812 static struct scsi_ctrl_blk *initio_pop_busy_scb(struct initio_host * host) in initio_pop_busy_scb() argument
817 if ((tmp = host->first_busy) != NULL) { in initio_pop_busy_scb()
818 if ((host->first_busy = tmp->next) == NULL) in initio_pop_busy_scb()
819 host->last_busy = NULL; in initio_pop_busy_scb()
822 host->act_tags[tmp->target]--; in initio_pop_busy_scb()
824 host->targets[tmp->target].flags &= ~TCF_BUSY; in initio_pop_busy_scb()
833 static void initio_unlink_busy_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_unlink_busy_scb() argument
841 prev = tmp = host->first_busy; in initio_unlink_busy_scb()
844 if (tmp == host->first_busy) { in initio_unlink_busy_scb()
845 if ((host->first_busy = tmp->next) == NULL) in initio_unlink_busy_scb()
846 host->last_busy = NULL; in initio_unlink_busy_scb()
849 if (tmp == host->last_busy) in initio_unlink_busy_scb()
850 host->last_busy = prev; in initio_unlink_busy_scb()
854 host->act_tags[tmp->target]--; in initio_unlink_busy_scb()
856 host->targets[tmp->target].flags &= ~TCF_BUSY; in initio_unlink_busy_scb()
865 struct scsi_ctrl_blk *initio_find_busy_scb(struct initio_host * host, u16 tarlun) in initio_find_busy_scb() argument
871 tmp = host->first_busy; in initio_find_busy_scb()
885 static void initio_append_done_scb(struct initio_host * host, struct scsi_ctrl_blk * scbp) in initio_append_done_scb() argument
893 if (host->last_done != NULL) { in initio_append_done_scb()
894 host->last_done->next = scbp; in initio_append_done_scb()
895 host->last_done = scbp; in initio_append_done_scb()
897 host->first_done = scbp; in initio_append_done_scb()
898 host->last_done = scbp; in initio_append_done_scb()
902 struct scsi_ctrl_blk *initio_find_done_scb(struct initio_host * host) in initio_find_done_scb() argument
906 if ((tmp = host->first_done) != NULL) { in initio_find_done_scb()
907 if ((host->first_done = tmp->next) == NULL) in initio_find_done_scb()
908 host->last_done = NULL; in initio_find_done_scb()
917 static int initio_abort_srb(struct initio_host * host, struct scsi_cmnd *srbp) in initio_abort_srb() argument
922 spin_lock_irqsave(&host->semaph_lock, flags); in initio_abort_srb()
924 if ((host->semaph == 0) && (host->active == NULL)) { in initio_abort_srb()
926 outb(0x1F, host->addr + TUL_Mask); in initio_abort_srb()
927 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
929 tulip_main(host); in initio_abort_srb()
930 spin_lock_irqsave(&host->semaph_lock, flags); in initio_abort_srb()
931 host->semaph = 1; in initio_abort_srb()
932 outb(0x0F, host->addr + TUL_Mask); in initio_abort_srb()
933 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
936 prev = tmp = host->first_pending; /* Check Pend queue */ in initio_abort_srb()
940 if (tmp == host->active) { in initio_abort_srb()
941 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
943 } else if (tmp == host->first_pending) { in initio_abort_srb()
944 if ((host->first_pending = tmp->next) == NULL) in initio_abort_srb()
945 host->last_pending = NULL; in initio_abort_srb()
948 if (tmp == host->last_pending) in initio_abort_srb()
949 host->last_pending = prev; in initio_abort_srb()
954 (*tmp->post) ((u8 *) host, (u8 *) tmp); in initio_abort_srb()
955 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
962 prev = tmp = host->first_busy; /* Check Busy queue */ in initio_abort_srb()
965 if (tmp == host->active) { in initio_abort_srb()
966 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
969 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
972 host->act_tags[tmp->target]--; in initio_abort_srb()
973 if (tmp == host->first_busy) { in initio_abort_srb()
974 if ((host->first_busy = tmp->next) == NULL) in initio_abort_srb()
975 host->last_busy = NULL; in initio_abort_srb()
978 if (tmp == host->last_busy) in initio_abort_srb()
979 host->last_busy = prev; in initio_abort_srb()
987 (*tmp->post) ((u8 *) host, (u8 *) tmp); in initio_abort_srb()
988 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
995 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_abort_srb()
1000 static int initio_bad_seq(struct initio_host * host) in initio_bad_seq() argument
1004 printk("initio_bad_seg c=%d\n", host->index); in initio_bad_seq()
1006 if ((scb = host->active) != NULL) { in initio_bad_seq()
1007 initio_unlink_busy_scb(host, scb); in initio_bad_seq()
1010 initio_append_done_scb(host, scb); in initio_bad_seq()
1012 initio_stop_bm(host); in initio_bad_seq()
1013 initio_reset_scsi(host, 8); /* 7/29/98 */ in initio_bad_seq()
1014 return initio_post_scsi_rst(host); in initio_bad_seq()
1019 static void initio_exec_scb(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_exec_scb() argument
1028 spin_lock_irqsave(&host->semaph_lock, flags); in initio_exec_scb()
1030 initio_append_pend_scb(host, scb); /* Append this SCB to Pending queue */ in initio_exec_scb()
1033 if (host->semaph == 1) { in initio_exec_scb()
1035 outb(0x1F, host->addr + TUL_Mask); in initio_exec_scb()
1036 host->semaph = 0; in initio_exec_scb()
1037 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_exec_scb()
1039 tulip_main(host); in initio_exec_scb()
1041 spin_lock_irqsave(&host->semaph_lock, flags); in initio_exec_scb()
1042 host->semaph = 1; in initio_exec_scb()
1043 outb(0x0F, host->addr + TUL_Mask); in initio_exec_scb()
1045 spin_unlock_irqrestore(&host->semaph_lock, flags); in initio_exec_scb()
1050 static int initio_isr(struct initio_host * host) in initio_isr() argument
1052 if (inb(host->addr + TUL_Int) & TSS_INT_PENDING) { in initio_isr()
1053 if (host->semaph == 1) { in initio_isr()
1054 outb(0x1F, host->addr + TUL_Mask); in initio_isr()
1056 host->semaph = 0; in initio_isr()
1058 tulip_main(host); in initio_isr()
1060 host->semaph = 1; in initio_isr()
1061 outb(0x0F, host->addr + TUL_Mask); in initio_isr()
1068 static int tulip_main(struct initio_host * host) in tulip_main() argument
1073 tulip_scsi(host); /* Call tulip_scsi */ in tulip_main()
1076 while ((scb = initio_find_done_scb(host)) != NULL) { /* find done entry */ in tulip_main()
1078 host->max_tags[scb->target] = in tulip_main()
1079 host->act_tags[scb->target] - 1; in tulip_main()
1081 initio_append_pend_scb(host, scb); in tulip_main()
1110 initio_push_pend_scb(host, scb); in tulip_main()
1125 (*scb->post) ((u8 *) host, (u8 *) scb); in tulip_main()
1129 if (inb(host->addr + TUL_SStatus0) & TSS_INT_PENDING) in tulip_main()
1131 if (host->active) /* return to OS and wait for xfer_done_ISR/Selected_ISR */ in tulip_main()
1134 if (initio_find_first_pend_scb(host) == NULL) in tulip_main()
1140 static void tulip_scsi(struct initio_host * host) in tulip_scsi() argument
1146 if ((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) & TSS_INT_PENDING) { in tulip_scsi()
1147 host->phase = host->jsstatus0 & TSS_PH_MASK; in tulip_scsi()
1148 host->jsstatus1 = inb(host->addr + TUL_SStatus1); in tulip_scsi()
1149 host->jsint = inb(host->addr + TUL_SInt); in tulip_scsi()
1150 if (host->jsint & TSS_SCSIRST_INT) { /* SCSI bus reset detected */ in tulip_scsi()
1151 int_initio_scsi_rst(host); in tulip_scsi()
1154 if (host->jsint & TSS_RESEL_INT) { /* if selected/reselected interrupt */ in tulip_scsi()
1155 if (int_initio_resel(host) == 0) in tulip_scsi()
1156 initio_next_state(host); in tulip_scsi()
1159 if (host->jsint & TSS_SEL_TIMEOUT) { in tulip_scsi()
1160 int_initio_busfree(host); in tulip_scsi()
1163 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in tulip_scsi()
1164 int_initio_busfree(host); /* unexpected bus free or sel timeout */ in tulip_scsi()
1167 if (host->jsint & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */ in tulip_scsi()
1168 if (host->active) in tulip_scsi()
1169 initio_next_state(host); in tulip_scsi()
1173 if (host->active != NULL) in tulip_scsi()
1176 if ((scb = initio_find_first_pend_scb(host)) == NULL) in tulip_scsi()
1180 outb((host->scsi_id << 4) | (scb->target & 0x0F), in tulip_scsi()
1181 host->addr + TUL_SScsiId); in tulip_scsi()
1183 active_tc = &host->targets[scb->target]; in tulip_scsi()
1190 outb(active_tc->js_period, host->addr + TUL_SPeriod); in tulip_scsi()
1192 initio_select_atn_stop(host, scb); in tulip_scsi()
1195 initio_select_atn_stop(host, scb); in tulip_scsi()
1198 initio_select_atn3(host, scb); in tulip_scsi()
1200 initio_select_atn(host, scb); in tulip_scsi()
1204 while (wait_tulip(host) != -1) { in tulip_scsi()
1205 if (initio_next_state(host) == -1) in tulip_scsi()
1210 initio_select_atn_stop(host, scb); in tulip_scsi()
1213 while (wait_tulip(host) != -1) { in tulip_scsi()
1214 if (initio_next_state(host) == -1) in tulip_scsi()
1219 if (initio_abort_srb(host, scb->srb) != 0) { in tulip_scsi()
1220 initio_unlink_pend_scb(host, scb); in tulip_scsi()
1221 initio_release_scb(host, scb); in tulip_scsi()
1224 initio_select_atn_stop(host, scb); in tulip_scsi()
1228 initio_unlink_pend_scb(host, scb); in tulip_scsi()
1230 initio_append_done_scb(host, scb); in tulip_scsi()
1237 * @host: InitIO host we are processing
1245 static int initio_next_state(struct initio_host * host) in initio_next_state() argument
1249 next = host->active->next_state; in initio_next_state()
1253 next = initio_state_1(host); in initio_next_state()
1256 next = initio_state_2(host); in initio_next_state()
1259 next = initio_state_3(host); in initio_next_state()
1262 next = initio_state_4(host); in initio_next_state()
1265 next = initio_state_5(host); in initio_next_state()
1268 next = initio_state_6(host); in initio_next_state()
1271 next = initio_state_7(host); in initio_next_state()
1274 return initio_bus_device_reset(host); in initio_next_state()
1276 return initio_bad_seq(host); in initio_next_state()
1286 * @host: InitIO host we are controlling
1291 static int initio_state_1(struct initio_host * host) in initio_state_1() argument
1293 struct scsi_ctrl_blk *scb = host->active; in initio_state_1()
1294 struct target_control *active_tc = host->active_tc; in initio_state_1()
1300 initio_unlink_pend_scb(host, scb); in initio_state_1()
1301 initio_append_busy_scb(host, scb); in initio_state_1()
1303 outb(active_tc->sconfig0, host->addr + TUL_SConfig ); in initio_state_1()
1305 if (host->phase == MSG_OUT) { in initio_state_1()
1306 outb(TSC_EN_BUS_IN | TSC_HW_RESELECT, host->addr + TUL_SCtrl1); in initio_state_1()
1307 outb(scb->ident, host->addr + TUL_SFifo); in initio_state_1()
1310 outb(scb->tagmsg, host->addr + TUL_SFifo); in initio_state_1()
1311 outb(scb->tagid, host->addr + TUL_SFifo); in initio_state_1()
1315 outb(EXTENDED_MESSAGE, host->addr + TUL_SFifo); in initio_state_1()
1316 outb(2, host->addr + TUL_SFifo); /* Extended msg length */ in initio_state_1()
1317 outb(EXTENDED_SDTR, host->addr + TUL_SFifo); /* Sync request */ in initio_state_1()
1318 outb(1, host->addr + TUL_SFifo); /* Start from 16 bits */ in initio_state_1()
1321 outb(EXTENDED_MESSAGE, host->addr + TUL_SFifo); in initio_state_1()
1322 outb(3, host->addr + TUL_SFifo); /* extended msg length */ in initio_state_1()
1323 outb(EXTENDED_SDTR, host->addr + TUL_SFifo); /* sync request */ in initio_state_1()
1324 outb(initio_rate_tbl[active_tc->flags & TCF_SCSI_RATE], host->addr + TUL_SFifo); in initio_state_1()
1325 outb(MAX_OFFSET, host->addr + TUL_SFifo); /* REQ/ACK offset */ in initio_state_1()
1327 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_1()
1328 if (wait_tulip(host) == -1) in initio_state_1()
1331 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_1()
1332 outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), host->addr + TUL_SSignal); in initio_state_1()
1340 * @host: InitIO host we are controlling
1346 static int initio_state_2(struct initio_host * host) in initio_state_2() argument
1348 struct scsi_ctrl_blk *scb = host->active; in initio_state_2()
1349 struct target_control *active_tc = host->active_tc; in initio_state_2()
1354 initio_unlink_pend_scb(host, scb); in initio_state_2()
1355 initio_append_busy_scb(host, scb); in initio_state_2()
1357 outb(active_tc->sconfig0, host->addr + TUL_SConfig); in initio_state_2()
1359 if (host->jsstatus1 & TSS_CMD_PH_CMP) in initio_state_2()
1362 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_2()
1363 outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), host->addr + TUL_SSignal); in initio_state_2()
1370 * @host: InitIO host we are controlling
1375 static int initio_state_3(struct initio_host * host) in initio_state_3() argument
1377 struct scsi_ctrl_blk *scb = host->active; in initio_state_3()
1378 struct target_control *active_tc = host->active_tc; in initio_state_3()
1385 switch (host->phase) { in initio_state_3()
1388 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_state_3()
1389 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_3()
1390 if (wait_tulip(host) == -1) in initio_state_3()
1392 if (host->phase == CMD_OUT) in initio_state_3()
1393 return initio_bad_seq(host); in initio_state_3()
1398 if (initio_msgin(host) == -1) in initio_state_3()
1403 if (initio_status_msg(host) == -1) in initio_state_3()
1409 outb(NOP, host->addr + TUL_SFifo); /* msg nop */ in initio_state_3()
1410 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_3()
1411 if (wait_tulip(host) == -1) in initio_state_3()
1416 outb(EXTENDED_MESSAGE, host->addr + TUL_SFifo); in initio_state_3()
1417 outb(3, host->addr + TUL_SFifo); /* ext. msg len */ in initio_state_3()
1418 outb(EXTENDED_SDTR, host->addr + TUL_SFifo); /* sync request */ in initio_state_3()
1419 outb(initio_rate_tbl[active_tc->flags & TCF_SCSI_RATE], host->addr + TUL_SFifo); in initio_state_3()
1420 outb(MAX_OFFSET, host->addr + TUL_SFifo); /* REQ/ACK offset */ in initio_state_3()
1421 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_3()
1422 if (wait_tulip(host) == -1) in initio_state_3()
1424 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_3()
1425 outb(inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7), host->addr + TUL_SSignal); in initio_state_3()
1430 return initio_bad_seq(host); in initio_state_3()
1437 * @host: InitIO host we are controlling
1442 static int initio_state_4(struct initio_host * host) in initio_state_4() argument
1444 struct scsi_ctrl_blk *scb = host->active; in initio_state_4()
1456 switch (host->phase) { in initio_state_4()
1461 if ((initio_status_msg(host)) == -1) in initio_state_4()
1467 if (initio_msgin(host) == -1) in initio_state_4()
1472 if (host->jsstatus0 & TSS_PAR_ERROR) { in initio_state_4()
1475 if (initio_msgout_ide(host) == -1) in initio_state_4()
1479 outb(NOP, host->addr + TUL_SFifo); /* msg nop */ in initio_state_4()
1480 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_4()
1481 if (wait_tulip(host) == -1) in initio_state_4()
1487 return initio_xfer_data_in(host); in initio_state_4()
1490 return initio_xfer_data_out(host); in initio_state_4()
1493 return initio_bad_seq(host); in initio_state_4()
1501 * @host: InitIO host we are controlling
1506 static int initio_state_5(struct initio_host * host) in initio_state_5() argument
1508 struct scsi_ctrl_blk *scb = host->active; in initio_state_5()
1515 cnt = inl(host->addr + TUL_SCnt0) & 0x0FFFFFF; in initio_state_5()
1517 if (inb(host->addr + TUL_XCmd) & 0x20) { in initio_state_5()
1520 if (host->jsstatus0 & TSS_PAR_ERROR) in initio_state_5()
1522 if (inb(host->addr + TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */ in initio_state_5()
1524 outb(inb(host->addr + TUL_XCtrl) | 0x80, host->addr + TUL_XCtrl); in initio_state_5()
1526 while (inb(host->addr + TUL_XStatus) & XPEND) in initio_state_5()
1531 if ((inb(host->addr + TUL_SStatus1) & TSS_XFER_CMP) == 0) { in initio_state_5()
1532 if (host->active_tc->js_period & TSC_WIDE_SCSI) in initio_state_5()
1533 cnt += (inb(host->addr + TUL_SFifoCnt) & 0x1F) << 1; in initio_state_5()
1535 cnt += (inb(host->addr + TUL_SFifoCnt) & 0x1F); in initio_state_5()
1537 if (inb(host->addr + TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */ in initio_state_5()
1538 outb(TAX_X_ABT, host->addr + TUL_XCmd); in initio_state_5()
1540 while ((inb(host->addr + TUL_Int) & XABT) == 0) in initio_state_5()
1543 if ((cnt == 1) && (host->phase == DATA_OUT)) { in initio_state_5()
1544 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_5()
1545 if (wait_tulip(host) == -1) in initio_state_5()
1549 if ((inb(host->addr + TUL_SStatus1) & TSS_XFER_CMP) == 0) in initio_state_5()
1550 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_state_5()
1590 * @host: InitIO host we are controlling
1595 static int initio_state_6(struct initio_host * host) in initio_state_6() argument
1597 struct scsi_ctrl_blk *scb = host->active; in initio_state_6()
1603 switch (host->phase) { in initio_state_6()
1605 if ((initio_status_msg(host)) == -1) in initio_state_6()
1611 if ((initio_msgin(host)) == -1) in initio_state_6()
1616 outb(NOP, host->addr + TUL_SFifo); /* msg nop */ in initio_state_6()
1617 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_state_6()
1618 if (wait_tulip(host) == -1) in initio_state_6()
1623 return initio_xpad_in(host); in initio_state_6()
1626 return initio_xpad_out(host); in initio_state_6()
1629 return initio_bad_seq(host); in initio_state_6()
1636 * @host: InitIO host we are controlling
1640 static int initio_state_7(struct initio_host * host) in initio_state_7() argument
1648 cnt = inb(host->addr + TUL_SFifoCnt) & 0x1F; in initio_state_7()
1651 inb(host->addr + TUL_SFifo); in initio_state_7()
1653 switch (host->phase) { in initio_state_7()
1656 return initio_bad_seq(host); in initio_state_7()
1664 * @host: InitIO host in use
1670 static int initio_xfer_data_in(struct initio_host * host) in initio_xfer_data_in() argument
1672 struct scsi_ctrl_blk *scb = host->active; in initio_xfer_data_in()
1677 outl(scb->buflen, host->addr + TUL_SCnt0); in initio_xfer_data_in()
1678 outb(TSC_XF_DMA_IN, host->addr + TUL_SCmd); /* 7/25/95 */ in initio_xfer_data_in()
1681 outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); in initio_xfer_data_in()
1682 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_in()
1683 outb(TAX_SG_IN, host->addr + TUL_XCmd); in initio_xfer_data_in()
1685 outl(scb->buflen, host->addr + TUL_XCntH); in initio_xfer_data_in()
1686 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_in()
1687 outb(TAX_X_IN, host->addr + TUL_XCmd); in initio_xfer_data_in()
1695 * @host: InitIO host in use
1702 static int initio_xfer_data_out(struct initio_host * host) in initio_xfer_data_out() argument
1704 struct scsi_ctrl_blk *scb = host->active; in initio_xfer_data_out()
1709 outl(scb->buflen, host->addr + TUL_SCnt0); in initio_xfer_data_out()
1710 outb(TSC_XF_DMA_OUT, host->addr + TUL_SCmd); in initio_xfer_data_out()
1713 outl(((u32) scb->sglen) << 3, host->addr + TUL_XCntH); in initio_xfer_data_out()
1714 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_out()
1715 outb(TAX_SG_OUT, host->addr + TUL_XCmd); in initio_xfer_data_out()
1717 outl(scb->buflen, host->addr + TUL_XCntH); in initio_xfer_data_out()
1718 outl(scb->bufptr, host->addr + TUL_XAddH); in initio_xfer_data_out()
1719 outb(TAX_X_OUT, host->addr + TUL_XCmd); in initio_xfer_data_out()
1726 int initio_xpad_in(struct initio_host * host) in initio_xpad_in() argument
1728 struct scsi_ctrl_blk *scb = host->active; in initio_xpad_in()
1729 struct target_control *active_tc = host->active_tc; in initio_xpad_in()
1735 outl(2, host->addr + TUL_SCnt0); in initio_xpad_in()
1737 outl(1, host->addr + TUL_SCnt0); in initio_xpad_in()
1739 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_xpad_in()
1740 if (wait_tulip(host) == -1) in initio_xpad_in()
1742 if (host->phase != DATA_IN) { in initio_xpad_in()
1743 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_xpad_in()
1746 inb(host->addr + TUL_SFifo); in initio_xpad_in()
1750 int initio_xpad_out(struct initio_host * host) in initio_xpad_out() argument
1752 struct scsi_ctrl_blk *scb = host->active; in initio_xpad_out()
1753 struct target_control *active_tc = host->active_tc; in initio_xpad_out()
1759 outl(2, host->addr + TUL_SCnt0); in initio_xpad_out()
1761 outl(1, host->addr + TUL_SCnt0); in initio_xpad_out()
1763 outb(0, host->addr + TUL_SFifo); in initio_xpad_out()
1764 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_xpad_out()
1765 if ((wait_tulip(host)) == -1) in initio_xpad_out()
1767 if (host->phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */ in initio_xpad_out()
1768 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); in initio_xpad_out()
1769 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_xpad_out()
1775 int initio_status_msg(struct initio_host * host) in initio_status_msg() argument
1777 struct scsi_ctrl_blk *scb = host->active; in initio_status_msg()
1780 outb(TSC_CMD_COMP, host->addr + TUL_SCmd); in initio_status_msg()
1781 if (wait_tulip(host) == -1) in initio_status_msg()
1785 scb->tastat = inb(host->addr + TUL_SFifo); in initio_status_msg()
1787 if (host->phase == MSG_OUT) { in initio_status_msg()
1788 if (host->jsstatus0 & TSS_PAR_ERROR) in initio_status_msg()
1789 outb(MSG_PARITY_ERROR, host->addr + TUL_SFifo); in initio_status_msg()
1791 outb(NOP, host->addr + TUL_SFifo); in initio_status_msg()
1792 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_status_msg()
1793 return wait_tulip(host); in initio_status_msg()
1795 if (host->phase == MSG_IN) { in initio_status_msg()
1796 msg = inb(host->addr + TUL_SFifo); in initio_status_msg()
1797 if (host->jsstatus0 & TSS_PAR_ERROR) { /* Parity error */ in initio_status_msg()
1798 if ((initio_msgin_accept(host)) == -1) in initio_status_msg()
1800 if (host->phase != MSG_OUT) in initio_status_msg()
1801 return initio_bad_seq(host); in initio_status_msg()
1802 outb(MSG_PARITY_ERROR, host->addr + TUL_SFifo); in initio_status_msg()
1803 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_status_msg()
1804 return wait_tulip(host); in initio_status_msg()
1809 return initio_bad_seq(host); in initio_status_msg()
1810 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_status_msg()
1811 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_status_msg()
1812 return initio_wait_done_disc(host); in initio_status_msg()
1818 return initio_msgin_accept(host); in initio_status_msg()
1821 return initio_bad_seq(host); in initio_status_msg()
1826 int int_initio_busfree(struct initio_host * host) in int_initio_busfree() argument
1828 struct scsi_ctrl_blk *scb = host->active; in int_initio_busfree()
1832 initio_unlink_pend_scb(host, scb); in int_initio_busfree()
1834 initio_append_done_scb(host, scb); in int_initio_busfree()
1836 initio_unlink_busy_scb(host, scb); in int_initio_busfree()
1838 initio_append_done_scb(host, scb); in int_initio_busfree()
1840 host->active = NULL; in int_initio_busfree()
1841 host->active_tc = NULL; in int_initio_busfree()
1843 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in int_initio_busfree()
1844 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in int_initio_busfree()
1845 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in int_initio_busfree()
1852 * @host: Host seeing the reset
1860 static int int_initio_scsi_rst(struct initio_host * host) in int_initio_scsi_rst() argument
1866 if (inb(host->addr + TUL_XStatus) & 0x01) { in int_initio_scsi_rst()
1867 outb(TAX_X_ABT | TAX_X_CLR_FIFO, host->addr + TUL_XCmd); in int_initio_scsi_rst()
1869 while ((inb(host->addr + TUL_Int) & 0x04) == 0) in int_initio_scsi_rst()
1871 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in int_initio_scsi_rst()
1874 while ((scb = initio_pop_busy_scb(host)) != NULL) { in int_initio_scsi_rst()
1876 initio_append_done_scb(host, scb); in int_initio_scsi_rst()
1878 host->active = NULL; in int_initio_scsi_rst()
1879 host->active_tc = NULL; in int_initio_scsi_rst()
1882 for (i = 0; i < host->max_tar; i++) in int_initio_scsi_rst()
1883 host->targets[i].flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in int_initio_scsi_rst()
1889 * @host: InitIO host adapter
1896 int int_initio_resel(struct initio_host * host) in int_initio_resel() argument
1903 if ((scb = host->active) != NULL) { in int_initio_resel()
1907 host->active = NULL; in int_initio_resel()
1910 tar = inb(host->addr + TUL_SBusId); in int_initio_resel()
1912 lun = inb(host->addr + TUL_SIdent) & 0x0F; in int_initio_resel()
1914 active_tc = &host->targets[tar]; in int_initio_resel()
1915 host->active_tc = active_tc; in int_initio_resel()
1916 outb(active_tc->sconfig0, host->addr + TUL_SConfig); in int_initio_resel()
1917 outb(active_tc->js_period, host->addr + TUL_SPeriod); in int_initio_resel()
1921 if ((initio_msgin_accept(host)) == -1) in int_initio_resel()
1923 if (host->phase != MSG_IN) in int_initio_resel()
1925 outl(1, host->addr + TUL_SCnt0); in int_initio_resel()
1926 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in int_initio_resel()
1927 if (wait_tulip(host) == -1) in int_initio_resel()
1929 msg = inb(host->addr + TUL_SFifo); /* Read Tag Message */ in int_initio_resel()
1935 if (initio_msgin_accept(host) == -1) in int_initio_resel()
1938 if (host->phase != MSG_IN) in int_initio_resel()
1941 outl(1, host->addr + TUL_SCnt0); in int_initio_resel()
1942 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in int_initio_resel()
1943 if (wait_tulip(host) == -1) in int_initio_resel()
1945 tag = inb(host->addr + TUL_SFifo); /* Read Tag ID */ in int_initio_resel()
1946 scb = host->scb + tag; in int_initio_resel()
1948 return initio_msgout_abort_tag(host); in int_initio_resel()
1951 return initio_msgout_abort_tag(host); in int_initio_resel()
1953 host->active = scb; in int_initio_resel()
1954 if ((initio_msgin_accept(host)) == -1) in int_initio_resel()
1958 if ((scb = initio_find_busy_scb(host, tar | (lun << 8))) == NULL) { in int_initio_resel()
1959 return initio_msgout_abort_targ(host); in int_initio_resel()
1961 host->active = scb; in int_initio_resel()
1963 if ((initio_msgin_accept(host)) == -1) in int_initio_resel()
1972 * @host: InitIO host flagging event
1974 * We have ended up out of phase somehow. Reset the host controller
1978 static int int_initio_bad_seq(struct initio_host * host) in int_initio_bad_seq() argument
1983 initio_reset_scsi(host, 10); in int_initio_bad_seq()
1985 while ((scb = initio_pop_busy_scb(host)) != NULL) { in int_initio_bad_seq()
1987 initio_append_done_scb(host, scb); in int_initio_bad_seq()
1989 for (i = 0; i < host->max_tar; i++) in int_initio_bad_seq()
1990 host->targets[i].flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE); in int_initio_bad_seq()
1997 * @host: InitIO host
2003 static int initio_msgout_abort_targ(struct initio_host * host) in initio_msgout_abort_targ() argument
2006 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgout_abort_targ()
2007 if (initio_msgin_accept(host) == -1) in initio_msgout_abort_targ()
2009 if (host->phase != MSG_OUT) in initio_msgout_abort_targ()
2010 return initio_bad_seq(host); in initio_msgout_abort_targ()
2012 outb(ABORT_TASK_SET, host->addr + TUL_SFifo); in initio_msgout_abort_targ()
2013 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_abort_targ()
2015 return initio_wait_disc(host); in initio_msgout_abort_targ()
2020 * @host: InitIO host
2026 static int initio_msgout_abort_tag(struct initio_host * host) in initio_msgout_abort_tag() argument
2029 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgout_abort_tag()
2030 if (initio_msgin_accept(host) == -1) in initio_msgout_abort_tag()
2032 if (host->phase != MSG_OUT) in initio_msgout_abort_tag()
2033 return initio_bad_seq(host); in initio_msgout_abort_tag()
2035 outb(ABORT_TASK, host->addr + TUL_SFifo); in initio_msgout_abort_tag()
2036 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_abort_tag()
2038 return initio_wait_disc(host); in initio_msgout_abort_tag()
2044 * @host: InitIO Host
2048 static int initio_msgin(struct initio_host * host) in initio_msgin() argument
2053 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_msgin()
2055 outl(1, host->addr + TUL_SCnt0); in initio_msgin()
2056 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_msgin()
2057 if (wait_tulip(host) == -1) in initio_msgin()
2060 switch (inb(host->addr + TUL_SFifo)) { in initio_msgin()
2062 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_msgin()
2063 return initio_wait_disc(host); in initio_msgin()
2067 initio_msgin_accept(host); in initio_msgin()
2070 outb((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)), in initio_msgin()
2071 host->addr + TUL_SSignal); in initio_msgin()
2072 active_tc = host->active_tc; in initio_msgin()
2074 outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), in initio_msgin()
2075 host->addr + TUL_SSignal); in initio_msgin()
2076 initio_msgin_accept(host); in initio_msgin()
2079 initio_msgin_extend(host); in initio_msgin()
2082 initio_msgin_accept(host); in initio_msgin()
2085 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_msgin()
2086 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_msgin()
2087 return initio_wait_done_disc(host); in initio_msgin()
2089 initio_msgout_reject(host); in initio_msgin()
2092 if (host->phase != MSG_IN) in initio_msgin()
2093 return host->phase; in initio_msgin()
2098 static int initio_msgout_reject(struct initio_host * host) in initio_msgout_reject() argument
2100 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgout_reject()
2102 if (initio_msgin_accept(host) == -1) in initio_msgout_reject()
2105 if (host->phase == MSG_OUT) { in initio_msgout_reject()
2106 outb(MESSAGE_REJECT, host->addr + TUL_SFifo); /* Msg reject */ in initio_msgout_reject()
2107 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_reject()
2108 return wait_tulip(host); in initio_msgout_reject()
2110 return host->phase; in initio_msgout_reject()
2113 static int initio_msgout_ide(struct initio_host * host) in initio_msgout_ide() argument
2115 outb(INITIATOR_ERROR, host->addr + TUL_SFifo); /* Initiator Detected Error */ in initio_msgout_ide()
2116 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgout_ide()
2117 return wait_tulip(host); in initio_msgout_ide()
2120 static int initio_msgin_extend(struct initio_host * host) in initio_msgin_extend() argument
2124 if (initio_msgin_accept(host) != MSG_IN) in initio_msgin_extend()
2125 return host->phase; in initio_msgin_extend()
2128 outl(1, host->addr + TUL_SCnt0); in initio_msgin_extend()
2129 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_msgin_extend()
2130 if (wait_tulip(host) == -1) in initio_msgin_extend()
2133 len = inb(host->addr + TUL_SFifo); in initio_msgin_extend()
2134 host->msg[0] = len; in initio_msgin_extend()
2137 if ((initio_msgin_accept(host)) != MSG_IN) in initio_msgin_extend()
2138 return host->phase; in initio_msgin_extend()
2139 outl(1, host->addr + TUL_SCnt0); in initio_msgin_extend()
2140 outb(TSC_XF_FIFO_IN, host->addr + TUL_SCmd); in initio_msgin_extend()
2141 if (wait_tulip(host) == -1) in initio_msgin_extend()
2143 host->msg[idx++] = inb(host->addr + TUL_SFifo); in initio_msgin_extend()
2145 if (host->msg[1] == 1) { /* if it's synchronous data transfer request */ in initio_msgin_extend()
2147 if (host->msg[0] != 3) /* if length is not right */ in initio_msgin_extend()
2148 return initio_msgout_reject(host); in initio_msgin_extend()
2149 if (host->active_tc->flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */ in initio_msgin_extend()
2150 host->msg[3] = 0; in initio_msgin_extend()
2152 if (initio_msgin_sync(host) == 0 && in initio_msgin_extend()
2153 (host->active_tc->flags & TCF_SYNC_DONE)) { in initio_msgin_extend()
2154 initio_sync_done(host); in initio_msgin_extend()
2155 return initio_msgin_accept(host); in initio_msgin_extend()
2159 r = inb(host->addr + TUL_SSignal); in initio_msgin_extend()
2161 host->addr + TUL_SSignal); in initio_msgin_extend()
2162 if (initio_msgin_accept(host) != MSG_OUT) in initio_msgin_extend()
2163 return host->phase; in initio_msgin_extend()
2165 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); in initio_msgin_extend()
2167 initio_sync_done(host); in initio_msgin_extend()
2169 outb(EXTENDED_MESSAGE, host->addr + TUL_SFifo); in initio_msgin_extend()
2170 outb(3, host->addr + TUL_SFifo); in initio_msgin_extend()
2171 outb(EXTENDED_SDTR, host->addr + TUL_SFifo); in initio_msgin_extend()
2172 outb(host->msg[2], host->addr + TUL_SFifo); in initio_msgin_extend()
2173 outb(host->msg[3], host->addr + TUL_SFifo); in initio_msgin_extend()
2174 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgin_extend()
2175 return wait_tulip(host); in initio_msgin_extend()
2177 if (host->msg[0] != 2 || host->msg[1] != 3) in initio_msgin_extend()
2178 return initio_msgout_reject(host); in initio_msgin_extend()
2180 if (host->active_tc->flags & TCF_NO_WDTR) { in initio_msgin_extend()
2181 host->msg[2] = 0; in initio_msgin_extend()
2183 if (host->msg[2] > 2) /* > 32 bits */ in initio_msgin_extend()
2184 return initio_msgout_reject(host); in initio_msgin_extend()
2185 if (host->msg[2] == 2) { /* == 32 */ in initio_msgin_extend()
2186 host->msg[2] = 1; in initio_msgin_extend()
2188 if ((host->active_tc->flags & TCF_NO_WDTR) == 0) { in initio_msgin_extend()
2189 wdtr_done(host); in initio_msgin_extend()
2190 if ((host->active_tc->flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) in initio_msgin_extend()
2191 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgin_extend()
2192 return initio_msgin_accept(host); in initio_msgin_extend()
2196 …outb(((inb(host->addr + TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN), host->addr + TUL_SSignal… in initio_msgin_extend()
2198 if (initio_msgin_accept(host) != MSG_OUT) in initio_msgin_extend()
2199 return host->phase; in initio_msgin_extend()
2201 outb(EXTENDED_MESSAGE, host->addr + TUL_SFifo); in initio_msgin_extend()
2202 outb(2, host->addr + TUL_SFifo); in initio_msgin_extend()
2203 outb(EXTENDED_WDTR, host->addr + TUL_SFifo); in initio_msgin_extend()
2204 outb(host->msg[2], host->addr + TUL_SFifo); in initio_msgin_extend()
2205 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_msgin_extend()
2206 return wait_tulip(host); in initio_msgin_extend()
2209 static int initio_msgin_sync(struct initio_host * host) in initio_msgin_sync() argument
2213 default_period = initio_rate_tbl[host->active_tc->flags & TCF_SCSI_RATE]; in initio_msgin_sync()
2214 if (host->msg[3] > MAX_OFFSET) { in initio_msgin_sync()
2215 host->msg[3] = MAX_OFFSET; in initio_msgin_sync()
2216 if (host->msg[2] < default_period) { in initio_msgin_sync()
2217 host->msg[2] = default_period; in initio_msgin_sync()
2220 if (host->msg[2] >= 59) /* Change to async */ in initio_msgin_sync()
2221 host->msg[3] = 0; in initio_msgin_sync()
2225 if (host->msg[3] == 0) { in initio_msgin_sync()
2228 if (host->msg[2] < default_period) { in initio_msgin_sync()
2229 host->msg[2] = default_period; in initio_msgin_sync()
2232 if (host->msg[2] >= 59) { in initio_msgin_sync()
2233 host->msg[3] = 0; in initio_msgin_sync()
2239 static int wdtr_done(struct initio_host * host) in wdtr_done() argument
2241 host->active_tc->flags &= ~TCF_SYNC_DONE; in wdtr_done()
2242 host->active_tc->flags |= TCF_WDTR_DONE; in wdtr_done()
2244 host->active_tc->js_period = 0; in wdtr_done()
2245 if (host->msg[2]) /* if 16 bit */ in wdtr_done()
2246 host->active_tc->js_period |= TSC_WIDE_SCSI; in wdtr_done()
2247 host->active_tc->sconfig0 &= ~TSC_ALT_PERIOD; in wdtr_done()
2248 outb(host->active_tc->sconfig0, host->addr + TUL_SConfig); in wdtr_done()
2249 outb(host->active_tc->js_period, host->addr + TUL_SPeriod); in wdtr_done()
2254 static int initio_sync_done(struct initio_host * host) in initio_sync_done() argument
2258 host->active_tc->flags |= TCF_SYNC_DONE; in initio_sync_done()
2260 if (host->msg[3]) { in initio_sync_done()
2261 host->active_tc->js_period |= host->msg[3]; in initio_sync_done()
2263 if (initio_rate_tbl[i] >= host->msg[2]) /* pick the big one */ in initio_sync_done()
2266 host->active_tc->js_period |= (i << 4); in initio_sync_done()
2267 host->active_tc->sconfig0 |= TSC_ALT_PERIOD; in initio_sync_done()
2269 outb(host->active_tc->sconfig0, host->addr + TUL_SConfig); in initio_sync_done()
2270 outb(host->active_tc->js_period, host->addr + TUL_SPeriod); in initio_sync_done()
2276 static int initio_post_scsi_rst(struct initio_host * host) in initio_post_scsi_rst() argument
2282 host->active = NULL; in initio_post_scsi_rst()
2283 host->active_tc = NULL; in initio_post_scsi_rst()
2284 host->flags = 0; in initio_post_scsi_rst()
2286 while ((scb = initio_pop_busy_scb(host)) != NULL) { in initio_post_scsi_rst()
2288 initio_append_done_scb(host, scb); in initio_post_scsi_rst()
2291 active_tc = &host->targets[0]; in initio_post_scsi_rst()
2292 for (i = 0; i < host->max_tar; active_tc++, i++) { in initio_post_scsi_rst()
2296 active_tc->sconfig0 = host->sconf1; in initio_post_scsi_rst()
2297 host->act_tags[0] = 0; /* 07/22/98 */ in initio_post_scsi_rst()
2298 host->targets[i].flags &= ~TCF_BUSY; /* 07/22/98 */ in initio_post_scsi_rst()
2304 static void initio_select_atn_stop(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_select_atn_stop() argument
2308 host->active = scb; in initio_select_atn_stop()
2309 host->active_tc = &host->targets[scb->target]; in initio_select_atn_stop()
2310 outb(TSC_SELATNSTOP, host->addr + TUL_SCmd); in initio_select_atn_stop()
2314 static void initio_select_atn(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_select_atn() argument
2321 outb(scb->ident, host->addr + TUL_SFifo); in initio_select_atn()
2323 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_select_atn()
2324 host->active_tc = &host->targets[scb->target]; in initio_select_atn()
2325 host->active = scb; in initio_select_atn()
2326 outb(TSC_SEL_ATN, host->addr + TUL_SCmd); in initio_select_atn()
2329 static void initio_select_atn3(struct initio_host * host, struct scsi_ctrl_blk * scb) in initio_select_atn3() argument
2336 outb(scb->ident, host->addr + TUL_SFifo); in initio_select_atn3()
2337 outb(scb->tagmsg, host->addr + TUL_SFifo); in initio_select_atn3()
2338 outb(scb->tagid, host->addr + TUL_SFifo); in initio_select_atn3()
2340 outb(scb->cdb[i], host->addr + TUL_SFifo); in initio_select_atn3()
2341 host->active_tc = &host->targets[scb->target]; in initio_select_atn3()
2342 host->active = scb; in initio_select_atn3()
2343 outb(TSC_SEL_ATN3, host->addr + TUL_SCmd); in initio_select_atn3()
2348 * @host: InitIO host to reset
2353 int initio_bus_device_reset(struct initio_host * host) in initio_bus_device_reset() argument
2355 struct scsi_ctrl_blk *scb = host->active; in initio_bus_device_reset()
2356 struct target_control *active_tc = host->active_tc; in initio_bus_device_reset()
2360 if (host->phase != MSG_OUT) in initio_bus_device_reset()
2361 return int_initio_bad_seq(host); /* Unexpected phase */ in initio_bus_device_reset()
2363 initio_unlink_pend_scb(host, scb); in initio_bus_device_reset()
2364 initio_release_scb(host, scb); in initio_bus_device_reset()
2372 prev = tmp = host->first_busy; /* Check Busy queue */ in initio_bus_device_reset()
2376 if (tmp == host->first_busy) { in initio_bus_device_reset()
2377 if ((host->first_busy = tmp->next) == NULL) in initio_bus_device_reset()
2378 host->last_busy = NULL; in initio_bus_device_reset()
2381 if (tmp == host->last_busy) in initio_bus_device_reset()
2382 host->last_busy = prev; in initio_bus_device_reset()
2385 initio_append_done_scb(host, tmp); in initio_bus_device_reset()
2393 outb(TARGET_RESET, host->addr + TUL_SFifo); in initio_bus_device_reset()
2394 outb(TSC_XF_FIFO_OUT, host->addr + TUL_SCmd); in initio_bus_device_reset()
2395 return initio_wait_disc(host); in initio_bus_device_reset()
2399 static int initio_msgin_accept(struct initio_host * host) in initio_msgin_accept() argument
2401 outb(TSC_MSG_ACCEPT, host->addr + TUL_SCmd); in initio_msgin_accept()
2402 return wait_tulip(host); in initio_msgin_accept()
2405 static int wait_tulip(struct initio_host * host) in wait_tulip() argument
2408 while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) in wait_tulip()
2412 host->jsint = inb(host->addr + TUL_SInt); in wait_tulip()
2413 host->phase = host->jsstatus0 & TSS_PH_MASK; in wait_tulip()
2414 host->jsstatus1 = inb(host->addr + TUL_SStatus1); in wait_tulip()
2416 if (host->jsint & TSS_RESEL_INT) /* if SCSI bus reset detected */ in wait_tulip()
2417 return int_initio_resel(host); in wait_tulip()
2418 if (host->jsint & TSS_SEL_TIMEOUT) /* if selected/reselected timeout interrupt */ in wait_tulip()
2419 return int_initio_busfree(host); in wait_tulip()
2420 if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ in wait_tulip()
2421 return int_initio_scsi_rst(host); in wait_tulip()
2423 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in wait_tulip()
2424 if (host->flags & HCF_EXPECT_DONE_DISC) { in wait_tulip()
2425 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in wait_tulip()
2426 initio_unlink_busy_scb(host, host->active); in wait_tulip()
2427 host->active->hastat = 0; in wait_tulip()
2428 initio_append_done_scb(host, host->active); in wait_tulip()
2429 host->active = NULL; in wait_tulip()
2430 host->active_tc = NULL; in wait_tulip()
2431 host->flags &= ~HCF_EXPECT_DONE_DISC; in wait_tulip()
2432 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in wait_tulip()
2433 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in wait_tulip()
2436 if (host->flags & HCF_EXPECT_DISC) { in wait_tulip()
2437 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in wait_tulip()
2438 host->active = NULL; in wait_tulip()
2439 host->active_tc = NULL; in wait_tulip()
2440 host->flags &= ~HCF_EXPECT_DISC; in wait_tulip()
2441 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in wait_tulip()
2442 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in wait_tulip()
2445 return int_initio_busfree(host); in wait_tulip()
2448 if (host->jsint & (TSS_FUNC_COMP | TSS_BUS_SERV)) in wait_tulip()
2449 return host->phase; in wait_tulip()
2450 return host->phase; in wait_tulip()
2453 static int initio_wait_disc(struct initio_host * host) in initio_wait_disc() argument
2455 while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) & TSS_INT_PENDING)) in initio_wait_disc()
2458 host->jsint = inb(host->addr + TUL_SInt); in initio_wait_disc()
2460 if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ in initio_wait_disc()
2461 return int_initio_scsi_rst(host); in initio_wait_disc()
2462 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in initio_wait_disc()
2463 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in initio_wait_disc()
2464 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in initio_wait_disc()
2465 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in initio_wait_disc()
2466 host->active = NULL; in initio_wait_disc()
2469 return initio_bad_seq(host); in initio_wait_disc()
2472 static int initio_wait_done_disc(struct initio_host * host) in initio_wait_done_disc() argument
2474 while (!((host->jsstatus0 = inb(host->addr + TUL_SStatus0)) in initio_wait_done_disc()
2478 host->jsint = inb(host->addr + TUL_SInt); in initio_wait_done_disc()
2480 if (host->jsint & TSS_SCSIRST_INT) /* if SCSI bus reset detected */ in initio_wait_done_disc()
2481 return int_initio_scsi_rst(host); in initio_wait_done_disc()
2482 if (host->jsint & TSS_DISC_INT) { /* BUS disconnection */ in initio_wait_done_disc()
2483 outb(TSC_FLUSH_FIFO, host->addr + TUL_SCtrl0); /* Flush SCSI FIFO */ in initio_wait_done_disc()
2484 outb(TSC_INITDEFAULT, host->addr + TUL_SConfig); in initio_wait_done_disc()
2485 outb(TSC_HW_RESELECT, host->addr + TUL_SCtrl1); /* Enable HW reselect */ in initio_wait_done_disc()
2486 initio_unlink_busy_scb(host, host->active); in initio_wait_done_disc()
2488 initio_append_done_scb(host, host->active); in initio_wait_done_disc()
2489 host->active = NULL; in initio_wait_done_disc()
2492 return initio_bad_seq(host); in initio_wait_done_disc()
2522 * @host: InitIO host taking the command
2527 * suitable for feeding to the InitIO host controller. This also requires
2531 static void initio_build_scb(struct initio_host * host, struct scsi_ctrl_blk * cblk, struct scsi_cm… in initio_build_scb() argument
2551 dma_addr = dma_map_single(&host->pci_dev->dev, cmnd->sense_buffer, in initio_build_scb()
2575 dma_addr = dma_map_single(&host->pci_dev->dev, &cblk->sglist[0], in initio_build_scb()
2605 * Attempts to queue a new command with the host adapter. Will return
2606 * zero if successful or indicate a host busy condition if not (which
2611 struct initio_host *host = (struct initio_host *) cmd->device->host->hostdata; in i91u_queuecommand_lck() local
2614 cmnd = initio_alloc_scb(host); in i91u_queuecommand_lck()
2618 initio_build_scb(host, cmnd, cmd); in i91u_queuecommand_lck()
2619 initio_exec_scb(host, cmnd); in i91u_queuecommand_lck()
2634 struct initio_host *host; in DEF_SCSI_QCMD() local
2636 host = (struct initio_host *) cmnd->device->host->hostdata; in DEF_SCSI_QCMD()
2638 spin_lock_irq(cmnd->device->host->host_lock); in DEF_SCSI_QCMD()
2639 initio_reset_scsi(host, 0); in DEF_SCSI_QCMD()
2640 spin_unlock_irq(cmnd->device->host->host_lock); in DEF_SCSI_QCMD()
2652 * Map the device geometry in a manner compatible with the host
2661 struct initio_host *host; /* Point to Host adapter control block */ in i91u_biosparam() local
2664 host = (struct initio_host *) sdev->host->hostdata; in i91u_biosparam()
2665 tc = &host->targets[sdev->id]; in i91u_biosparam()
2734 struct initio_host *host; in i91uSCBPost() local
2737 host = (struct initio_host *) host_mem; in i91uSCBPost()
2742 initio_release_scb(host, cblk); /* Release SCB for current channel */ in i91uSCBPost()
2762 phase sequence was requested by the target. The host adapter in i91uSCBPost()
2763 will generate a SCSI Reset Condition, notifying the host with in i91uSCBPost()
2785 i91u_unmap_scb(host->pci_dev, cmnd); in i91uSCBPost()
2787 initio_release_scb(host, cblk); /* Release SCB for current channel */ in i91uSCBPost()
2806 struct initio_host *host; in initio_probe_one() local
2829 printk(KERN_WARNING "initio: Could not allocate host structure.\n"); in initio_probe_one()
2833 host = (struct initio_host *)shost->hostdata; in initio_probe_one()
2834 memset(host, 0, sizeof(struct initio_host)); in initio_probe_one()
2835 host->addr = pci_resource_start(pdev, 0); in initio_probe_one()
2836 host->bios_addr = bios_seg; in initio_probe_one()
2838 if (!request_region(host->addr, 256, "i91u")) { in initio_probe_one()
2839 printk(KERN_WARNING "initio: I/O port range 0x%x is busy.\n", host->addr); in initio_probe_one()
2862 host->pci_dev = pdev; in initio_probe_one()
2864 host->semaph = 1; in initio_probe_one()
2865 spin_lock_init(&host->semaph_lock); in initio_probe_one()
2866 host->num_scbs = num_scb; in initio_probe_one()
2867 host->scb = scb; in initio_probe_one()
2868 host->next_pending = scb; in initio_probe_one()
2869 host->next_avail = scb; in initio_probe_one()
2877 host->scb_end = tmp; in initio_probe_one()
2878 host->first_avail = scb; in initio_probe_one()
2879 host->last_avail = prev; in initio_probe_one()
2880 spin_lock_init(&host->avail_lock); in initio_probe_one()
2882 initio_init(host, phys_to_virt(((u32)bios_seg << 4))); in initio_probe_one()
2884 host->jsstatus0 = 0; in initio_probe_one()
2886 shost->io_port = host->addr; in initio_probe_one()
2889 shost->unique_id = host->addr; in initio_probe_one()
2890 shost->max_id = host->max_tar; in initio_probe_one()
2893 shost->this_id = host->scsi_id; /* Assign HCS index */ in initio_probe_one()
2894 shost->base = host->addr; in initio_probe_one()
2913 kfree(host->scb); in initio_probe_one()
2915 release_region(host->addr, 256); in initio_probe_one()
2933 struct Scsi_Host *host = pci_get_drvdata(pdev); in initio_remove_one() local
2934 struct initio_host *s = (struct initio_host *)host->hostdata; in initio_remove_one()
2935 scsi_remove_host(host); in initio_remove_one()
2936 free_irq(pdev->irq, host); in initio_remove_one()
2938 scsi_host_put(host); in initio_remove_one()