- AdvReadWordLram(iop_base,
- ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
- lramword);
- lramword &= ~0x8000;
-
- if ((chip_scsi_id == i) ||
- ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
- ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
- continue;
- }
-
- len = asc_prt_line(cp, leftlen, " %X:", i);
- ASC_PRT_NEXT();
-
- if ((lramword & 0x1F) == 0) { /* Check for REQ/ACK Offset 0. */
- len = asc_prt_line(cp, leftlen, " Asynchronous");
- ASC_PRT_NEXT();
- } else {
- len =
- asc_prt_line(cp, leftlen,
- " Transfer Period Factor: ");
- ASC_PRT_NEXT();
-
- if ((lramword & 0x1F00) == 0x1100) { /* 80 Mhz */
- len =
- asc_prt_line(cp, leftlen, "9 (80.0 Mhz),");
- ASC_PRT_NEXT();
- } else if ((lramword & 0x1F00) == 0x1000) { /* 40 Mhz */
- len =
- asc_prt_line(cp, leftlen, "10 (40.0 Mhz),");
- ASC_PRT_NEXT();
- } else { /* 20 Mhz or below. */
-
- period = (((lramword >> 8) * 25) + 50) / 4;
-
- if (period == 0) { /* Should never happen. */
- len =
- asc_prt_line(cp, leftlen,
- "%d (? Mhz), ");
- ASC_PRT_NEXT();
- } else {
- len = asc_prt_line(cp, leftlen,
- "%d (%d.%d Mhz),",
- period, 250 / period,
- ASC_TENTHS(250,
- period));
- ASC_PRT_NEXT();
- }
- }
-
- len = asc_prt_line(cp, leftlen, " REQ/ACK Offset: %d",
- lramword & 0x1F);
- ASC_PRT_NEXT();
- }
-
- if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
- len = asc_prt_line(cp, leftlen, "*\n");
- renegotiate = 1;
- } else {
- len = asc_prt_line(cp, leftlen, "\n");
- }
- ASC_PRT_NEXT();
- }
-
- if (renegotiate) {
- len = asc_prt_line(cp, leftlen,
- " * = Re-negotiation pending before next command.\n");
- ASC_PRT_NEXT();
- }
-
- return totlen;
-}
-
-/*
- * asc_proc_copy()
- *
- * Copy proc information to a read buffer taking into account the current
- * read offset in the file and the remaining space in the read buffer.
- */
-static int
-asc_proc_copy(off_t advoffset, off_t offset, char *curbuf, int leftlen,
- char *cp, int cplen)
-{
- int cnt = 0;
-
- ASC_DBG3(2, "asc_proc_copy: offset %d, advoffset %d, cplen %d\n",
- (unsigned)offset, (unsigned)advoffset, cplen);
- if (offset <= advoffset) {
- /* Read offset below current offset, copy everything. */
- cnt = min(cplen, leftlen);
- ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n",
- (ulong)curbuf, (ulong)cp, cnt);
- memcpy(curbuf, cp, cnt);
- } else if (offset < advoffset + cplen) {
- /* Read offset within current range, partial copy. */
- cnt = (advoffset + cplen) - offset;
- cp = (cp + cplen) - cnt;
- cnt = min(cnt, leftlen);
- ASC_DBG3(2, "asc_proc_copy: curbuf 0x%lx, cp 0x%lx, cnt %d\n",
- (ulong)curbuf, (ulong)cp, cnt);
- memcpy(curbuf, cp, cnt);
- }
- return cnt;
-}
-
-/*
- * asc_prt_line()
- *
- * If 'cp' is NULL print to the console, otherwise print to a buffer.
- *
- * Return 0 if printing to the console, otherwise return the number of
- * bytes written to the buffer.
- *
- * Note: If any single line is greater than ASC_PRTLINE_SIZE bytes the stack
- * will be corrupted. 's[]' is defined to be ASC_PRTLINE_SIZE bytes.
- */
-static int asc_prt_line(char *buf, int buflen, char *fmt, ...)
-{
- va_list args;
- int ret;
- char s[ASC_PRTLINE_SIZE];
-
- va_start(args, fmt);
- ret = vsprintf(s, fmt, args);
- ASC_ASSERT(ret < ASC_PRTLINE_SIZE);
- if (buf == NULL) {
- (void)printk(s);
- ret = 0;
- } else {
- ret = min(buflen, ret);
- memcpy(buf, s, ret);
- }
- va_end(args);
- return ret;
-}
-#endif /* CONFIG_PROC_FS */
-
-/*
- * --- Functions Required by the Asc Library
- */
-
-/*
- * Delay for 'n' milliseconds. Don't use the 'jiffies'
- * global variable which is incremented once every 5 ms
- * from a timer interrupt, because this function may be
- * called when interrupts are disabled.
- */
-static void DvcSleepMilliSecond(ADV_DCNT n)
-{
- ASC_DBG1(4, "DvcSleepMilliSecond: %lu\n", (ulong)n);
- mdelay(n);
-}
-
-/*
- * Currently and inline noop but leave as a placeholder.
- * Leave DvcEnterCritical() as a noop placeholder.
- */
-static inline ulong DvcEnterCritical(void)
-{
- return 0;
-}
-
-/*
- * Critical sections are all protected by the board spinlock.
- * Leave DvcLeaveCritical() as a noop placeholder.
- */
-static inline void DvcLeaveCritical(ulong flags)
-{
- return;
-}
-
-/*
- * void
- * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
- *
- * Calling/Exit State:
- * none
- *
- * Description:
- * Output an ASC_SCSI_Q structure to the chip
- */
-static void
-DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
-{
- int i;
-
- ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- if (i == 4 || i == 20) {
- continue;
- }
- outpw(iop_base + IOP_RAM_DATA,
- ((ushort)outbuf[i + 1] << 8) | outbuf[i]);
- }
-}
-
-/*
- * void
- * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
- *
- * Calling/Exit State:
- * none
- *
- * Description:
- * Input an ASC_QDONE_INFO structure from the chip
- */
-static void
-DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
-{
- int i;
- ushort word;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- if (i == 10) {
- continue;
- }
- word = inpw(iop_base + IOP_RAM_DATA);
- inbuf[i] = word & 0xff;
- inbuf[i + 1] = (word >> 8) & 0xff;
- }
- ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
-}
-
-/*
- * Return the BIOS address of the adapter at the specified
- * I/O port and with the specified bus type.
- */
-static unsigned short __devinit
-AscGetChipBiosAddress(PortAddr iop_base, unsigned short bus_type)
-{
- unsigned short cfg_lsw;
- unsigned short bios_addr;
-
- /*
- * The PCI BIOS is re-located by the motherboard BIOS. Because
- * of this the driver can not determine where a PCI BIOS is
- * loaded and executes.
- */
- if (bus_type & ASC_IS_PCI)
- return 0;
-
-#ifdef CONFIG_ISA
- if ((bus_type & ASC_IS_EISA) != 0) {
- cfg_lsw = AscGetEisaChipCfg(iop_base);
- cfg_lsw &= 0x000F;
- bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE;
- return bios_addr;
- }
-#endif /* CONFIG_ISA */
-
- cfg_lsw = AscGetChipCfgLsw(iop_base);
-
- /*
- * ISA PnP uses the top bit as the 32K BIOS flag
- */
- if (bus_type == ASC_IS_ISAPNP)
- cfg_lsw &= 0x7FFF;
- bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE;
- return bios_addr;
-}
-
-/*
- * --- Functions Required by the Adv Library
- */
-
-/*
- * DvcGetPhyAddr()
- *
- * Return the physical address of 'vaddr' and set '*lenp' to the
- * number of physically contiguous bytes that follow 'vaddr'.
- * 'flag' indicates the type of structure whose physical address
- * is being translated.
- *
- * Note: Because Linux currently doesn't page the kernel and all
- * kernel buffers are physically contiguous, leave '*lenp' unchanged.
- */
-ADV_PADDR
-DvcGetPhyAddr(ADV_DVC_VAR *asc_dvc, ADV_SCSI_REQ_Q *scsiq,
- uchar *vaddr, ADV_SDCNT *lenp, int flag)
-{
- ADV_PADDR paddr;
-
- paddr = virt_to_bus(vaddr);
-
- ASC_DBG4(4,
- "DvcGetPhyAddr: vaddr 0x%lx, lenp 0x%lx *lenp %lu, paddr 0x%lx\n",
- (ulong)vaddr, (ulong)lenp, (ulong)*((ulong *)lenp),
- (ulong)paddr);
-
- return paddr;
-}
-
-/*
- * --- Tracing and Debugging Functions
- */
-
-#ifdef ADVANSYS_STATS
-#ifdef CONFIG_PROC_FS
-/*
- * asc_prt_board_stats()
- *
- * Note: no single line should be greater than ASC_PRTLINE_SIZE,
- * cf. asc_prt_line().
- *
- * Return the number of characters copied into 'cp'. No more than
- * 'cplen' characters will be copied to 'cp'.
- */
-static int asc_prt_board_stats(struct Scsi_Host *shost, char *cp, int cplen)
-{
- int leftlen;
- int totlen;
- int len;
- struct asc_stats *s;
- asc_board_t *boardp;
-
- leftlen = cplen;
- totlen = len = 0;
-
- boardp = ASC_BOARDP(shost);
- s = &boardp->asc_stats;
-
- len = asc_prt_line(cp, leftlen,
- "\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
- shost->host_no);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " queuecommand %lu, reset %lu, biosparam %lu, interrupt %lu\n",
- s->queuecommand, s->reset, s->biosparam,
- s->interrupt);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " callback %lu, done %lu, build_error %lu, build_noreq %lu, build_nosg %lu\n",
- s->callback, s->done, s->build_error,
- s->adv_build_noreq, s->adv_build_nosg);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen,
- " exe_noerror %lu, exe_busy %lu, exe_error %lu, exe_unknown %lu\n",
- s->exe_noerror, s->exe_busy, s->exe_error,
- s->exe_unknown);
- ASC_PRT_NEXT();
-
- /*
- * Display data transfer statistics.
- */
- if (s->cont_cnt > 0) {
- len = asc_prt_line(cp, leftlen, " cont_cnt %lu, ", s->cont_cnt);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "cont_xfer %lu.%01lu kb ",
- s->cont_xfer / 2,
- ASC_TENTHS(s->cont_xfer, 2));
- ASC_PRT_NEXT();
-
- /* Contiguous transfer average size */
- len = asc_prt_line(cp, leftlen, "avg_xfer %lu.%01lu kb\n",
- (s->cont_xfer / 2) / s->cont_cnt,
- ASC_TENTHS((s->cont_xfer / 2), s->cont_cnt));
- ASC_PRT_NEXT();
- }
-
- if (s->sg_cnt > 0) {
-
- len = asc_prt_line(cp, leftlen, " sg_cnt %lu, sg_elem %lu, ",
- s->sg_cnt, s->sg_elem);
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "sg_xfer %lu.%01lu kb\n",
- s->sg_xfer / 2, ASC_TENTHS(s->sg_xfer, 2));
- ASC_PRT_NEXT();
-
- /* Scatter gather transfer statistics */
- len = asc_prt_line(cp, leftlen, " avg_num_elem %lu.%01lu, ",
- s->sg_elem / s->sg_cnt,
- ASC_TENTHS(s->sg_elem, s->sg_cnt));
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "avg_elem_size %lu.%01lu kb, ",
- (s->sg_xfer / 2) / s->sg_elem,
- ASC_TENTHS((s->sg_xfer / 2), s->sg_elem));
- ASC_PRT_NEXT();
-
- len = asc_prt_line(cp, leftlen, "avg_xfer_size %lu.%01lu kb\n",
- (s->sg_xfer / 2) / s->sg_cnt,
- ASC_TENTHS((s->sg_xfer / 2), s->sg_cnt));
- ASC_PRT_NEXT();
- }
-
- /*
- * Display request queuing statistics.
- */
- len = asc_prt_line(cp, leftlen,
- " Active and Waiting Request Queues (Time Unit: %d HZ):\n",
- HZ);
- ASC_PRT_NEXT();
-
- return totlen;
-}
-#endif /* CONFIG_PROC_FS */
-#endif /* ADVANSYS_STATS */
-
-#ifdef ADVANSYS_DEBUG
-/*
- * asc_prt_scsi_host()
- */
-static void asc_prt_scsi_host(struct Scsi_Host *s)
-{
- asc_board_t *boardp;
-
- boardp = ASC_BOARDP(s);
-
- printk("Scsi_Host at addr 0x%lx\n", (ulong)s);
- printk(" host_busy %u, host_no %d, last_reset %d,\n",
- s->host_busy, s->host_no, (unsigned)s->last_reset);
-
- printk(" base 0x%lx, io_port 0x%lx, irq 0x%x,\n",
- (ulong)s->base, (ulong)s->io_port, s->irq);
-
- printk(" dma_channel %d, this_id %d, can_queue %d,\n",
- s->dma_channel, s->this_id, s->can_queue);
-
- printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n",
- s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma);
-
- if (ASC_NARROW_BOARD(boardp)) {
- asc_prt_asc_dvc_var(&ASC_BOARDP(s)->dvc_var.asc_dvc_var);
- asc_prt_asc_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.asc_dvc_cfg);
- } else {
- asc_prt_adv_dvc_var(&ASC_BOARDP(s)->dvc_var.adv_dvc_var);
- asc_prt_adv_dvc_cfg(&ASC_BOARDP(s)->dvc_cfg.adv_dvc_cfg);
- }
-}
-
-/*
- * asc_prt_scsi_cmnd()
- */
-static void asc_prt_scsi_cmnd(struct scsi_cmnd *s)
-{
- printk("struct scsi_cmnd at addr 0x%lx\n", (ulong)s);
-
- printk(" host 0x%lx, device 0x%lx, target %u, lun %u, channel %u,\n",
- (ulong)s->device->host, (ulong)s->device, s->device->id,
- s->device->lun, s->device->channel);
-
- asc_prt_hex(" CDB", s->cmnd, s->cmd_len);
-
- printk("sc_data_direction %u, resid %d\n",
- s->sc_data_direction, s->resid);
-
- printk(" use_sg %u, sglist_len %u\n", s->use_sg, s->sglist_len);
-
- printk(" serial_number 0x%x, retries %d, allowed %d\n",
- (unsigned)s->serial_number, s->retries, s->allowed);
-
- printk(" timeout_per_command %d\n", s->timeout_per_command);
-
- printk(" scsi_done 0x%p, done 0x%p, host_scribble 0x%p, result 0x%x\n",
- s->scsi_done, s->done, s->host_scribble, s->result);
-
- printk(" tag %u, pid %u\n", (unsigned)s->tag, (unsigned)s->pid);
-}
-
-/*
- * asc_prt_asc_dvc_var()
- */
-static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
-{
- printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);
-
- printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
- "%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);
-
- printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
- (unsigned)h->init_sdtr);
-
- printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
- "chip_no 0x%x,\n", (unsigned)h->sdtr_done,
- (unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
- (unsigned)h->chip_no);
-
- printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
- "%u,\n", (unsigned)h->queue_full_or_busy,
- (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);
-
- printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
- "in_critical_cnt %u,\n", (unsigned)h->is_in_int,
- (unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
- (unsigned)h->in_critical_cnt);
-
- printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
- "pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
- (unsigned)h->init_state, (unsigned)h->no_scam,
- (unsigned)h->pci_fix_asyn_xfer);
-
- printk(" cfg 0x%lx, irq_no 0x%x\n", (ulong)h->cfg, (unsigned)h->irq_no);
-}
-
-/*
- * asc_prt_asc_dvc_cfg()
- */
-static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
-{
- printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);
-
- printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
- h->can_tagged_qng, h->cmd_qng_enabled);
- printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
- h->disc_enable, h->sdtr_enable);
-
- printk
- (" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, chip_version %d,\n",
- h->chip_scsi_id, h->isa_dma_speed, h->isa_dma_channel,
- h->chip_version);
-
- printk
- (" pci_device_id %d, lib_serial_no %u, lib_version %u, mcode_date 0x%x,\n",
- to_pci_dev(h->dev)->device, h->lib_serial_no, h->lib_version,
- h->mcode_date);
-
- printk(" mcode_version %d, overrun_buf 0x%lx\n",
- h->mcode_version, (ulong)h->overrun_buf);
-}
-
-/*
- * asc_prt_asc_scsi_q()
- */
-static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
-{
- ASC_SG_HEAD *sgp;
- int i;
-
- printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);
-
- printk
- (" target_ix 0x%x, target_lun %u, srb_ptr 0x%lx, tag_code 0x%x,\n",
- q->q2.target_ix, q->q1.target_lun, (ulong)q->q2.srb_ptr,
- q->q2.tag_code);
-
- printk
- (" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
- (ulong)le32_to_cpu(q->q1.data_addr),
- (ulong)le32_to_cpu(q->q1.data_cnt),
- (ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);
-
- printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
- (ulong)q->cdbptr, q->q2.cdb_len,
- (ulong)q->sg_head, q->q1.sg_queue_cnt);
-
- if (q->sg_head) {
- sgp = q->sg_head;
- printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
- printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
- sgp->queue_cnt);
- for (i = 0; i < sgp->entry_cnt; i++) {
- printk(" [%u]: addr 0x%lx, bytes %lu\n",
- i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
- (ulong)le32_to_cpu(sgp->sg_list[i].bytes));
- }
-
- }
-}
-
-/*
- * asc_prt_asc_qdone_info()
- */
-static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
-{
- printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
- printk(" srb_ptr 0x%lx, target_ix %u, cdb_len %u, tag_code %u,\n",
- (ulong)q->d2.srb_ptr, q->d2.target_ix, q->d2.cdb_len,
- q->d2.tag_code);
- printk
- (" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
- q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
-}
-
-/*
- * asc_prt_adv_dvc_var()
- *
- * Display an ADV_DVC_VAR structure.
- */
-static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
-{
- printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);
-
- printk(" iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
- (ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);
-
- printk(" isr_callback 0x%lx, sdtr_able 0x%x, wdtr_able 0x%x\n",
- (ulong)h->isr_callback, (unsigned)h->sdtr_able,
- (unsigned)h->wdtr_able);
-
- printk(" start_motor 0x%x, scsi_reset_wait 0x%x, irq_no 0x%x,\n",
- (unsigned)h->start_motor,
- (unsigned)h->scsi_reset_wait, (unsigned)h->irq_no);
-
- printk(" max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%lxn\n",
- (unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
- (ulong)h->carr_freelist);
-
- printk(" icq_sp 0x%lx, irq_sp 0x%lx\n",
- (ulong)h->icq_sp, (ulong)h->irq_sp);
-
- printk(" no_scam 0x%x, tagqng_able 0x%x\n",
- (unsigned)h->no_scam, (unsigned)h->tagqng_able);
-
- printk(" chip_scsi_id 0x%x, cfg 0x%lx\n",
- (unsigned)h->chip_scsi_id, (ulong)h->cfg);
-}
-
-/*
- * asc_prt_adv_dvc_cfg()
- *
- * Display an ADV_DVC_CFG structure.
- */
-static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
-{
- printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);
-
- printk(" disc_enable 0x%x, termination 0x%x\n",
- h->disc_enable, h->termination);
-
- printk(" chip_version 0x%x, mcode_date 0x%x\n",
- h->chip_version, h->mcode_date);
-
- printk(" mcode_version 0x%x, pci_device_id 0x%x, lib_version %u\n",
- h->mcode_version, to_pci_dev(h->dev)->device, h->lib_version);
-
- printk(" control_flag 0x%x\n", h->control_flag);
-}
-
-/*
- * asc_prt_adv_scsi_req_q()
- *
- * Display an ADV_SCSI_REQ_Q structure.
- */
-static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
-{
- int sg_blk_cnt;
- struct asc_sg_block *sg_ptr;
-
- printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);
-
- printk(" target_id %u, target_lun %u, srb_ptr 0x%lx, a_flag 0x%x\n",
- q->target_id, q->target_lun, (ulong)q->srb_ptr, q->a_flag);
-
- printk(" cntl 0x%x, data_addr 0x%lx, vdata_addr 0x%lx\n",
- q->cntl, (ulong)le32_to_cpu(q->data_addr), (ulong)q->vdata_addr);
-
- printk(" data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
- (ulong)le32_to_cpu(q->data_cnt),
- (ulong)le32_to_cpu(q->sense_addr), q->sense_len);
-
- printk
- (" cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
- q->cdb_len, q->done_status, q->host_status, q->scsi_status);
-
- printk(" sg_working_ix 0x%x, target_cmd %u\n",
- q->sg_working_ix, q->target_cmd);
-
- printk(" scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
- (ulong)le32_to_cpu(q->scsiq_rptr),
- (ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);
-
- /* Display the request's ADV_SG_BLOCK structures. */
- if (q->sg_list_ptr != NULL) {
- sg_blk_cnt = 0;
- while (1) {
- /*
- * 'sg_ptr' is a physical address. Convert it to a virtual
- * address by indexing 'sg_blk_cnt' into the virtual address
- * array 'sg_list_ptr'.
- *
- * XXX - Assumes all SG physical blocks are virtually contiguous.
- */
- sg_ptr =
- &(((ADV_SG_BLOCK *)(q->sg_list_ptr))[sg_blk_cnt]);
- asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
- if (sg_ptr->sg_ptr == 0) {
- break;
- }
- sg_blk_cnt++;
- }
- }
-}
-
-/*
- * asc_prt_adv_sgblock()
- *
- * Display an ADV_SG_BLOCK structure.
- */
-static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
-{
- int i;
-
- printk(" ASC_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
- (ulong)b, sgblockno);
- printk(" sg_cnt %u, sg_ptr 0x%lx\n",
- b->sg_cnt, (ulong)le32_to_cpu(b->sg_ptr));
- ASC_ASSERT(b->sg_cnt <= NO_OF_SG_PER_BLOCK);
- if (b->sg_ptr != 0) {
- ASC_ASSERT(b->sg_cnt == NO_OF_SG_PER_BLOCK);
- }
- for (i = 0; i < b->sg_cnt; i++) {
- printk(" [%u]: sg_addr 0x%lx, sg_count 0x%lx\n",
- i, (ulong)b->sg_list[i].sg_addr,
- (ulong)b->sg_list[i].sg_count);
- }
-}
-
-/*
- * asc_prt_hex()
- *
- * Print hexadecimal output in 4 byte groupings 32 bytes
- * or 8 double-words per line.
- */
-static void asc_prt_hex(char *f, uchar *s, int l)
-{
- int i;
- int j;
- int k;
- int m;
-
- printk("%s: (%d bytes)\n", f, l);
-
- for (i = 0; i < l; i += 32) {
-
- /* Display a maximum of 8 double-words per line. */
- if ((k = (l - i) / 4) >= 8) {
- k = 8;
- m = 0;
- } else {
- m = (l - i) % 4;
- }
-
- for (j = 0; j < k; j++) {
- printk(" %2.2X%2.2X%2.2X%2.2X",
- (unsigned)s[i + (j * 4)],
- (unsigned)s[i + (j * 4) + 1],
- (unsigned)s[i + (j * 4) + 2],
- (unsigned)s[i + (j * 4) + 3]);
- }
-
- switch (m) {
- case 0:
- default:
- break;
- case 1:
- printk(" %2.2X", (unsigned)s[i + (j * 4)]);
- break;
- case 2:
- printk(" %2.2X%2.2X",
- (unsigned)s[i + (j * 4)],
- (unsigned)s[i + (j * 4) + 1]);
- break;
- case 3:
- printk(" %2.2X%2.2X%2.2X",
- (unsigned)s[i + (j * 4) + 1],
- (unsigned)s[i + (j * 4) + 2],
- (unsigned)s[i + (j * 4) + 3]);
- break;
- }
-
- printk("\n");
- }
-}
-#endif /* ADVANSYS_DEBUG */
-
-/*
- * --- Asc Library Functions
- */
-
-static ushort __devinit AscGetEisaChipCfg(PortAddr iop_base)
-{
- PortAddr eisa_cfg_iop;
-
- eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
- (PortAddr) (ASC_EISA_CFG_IOP_MASK);
- return (inpw(eisa_cfg_iop));
-}
-
-static uchar __devinit AscSetChipScsiID(PortAddr iop_base, uchar new_host_id)
-{
- ushort cfg_lsw;
-
- if (AscGetChipScsiID(iop_base) == new_host_id) {
- return (new_host_id);
- }
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- cfg_lsw &= 0xF8FF;
- cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8);
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- return (AscGetChipScsiID(iop_base));
-}
-
-static unsigned char __devinit AscGetChipScsiCtrl(PortAddr iop_base)
-{
- unsigned char sc;
-
- AscSetBank(iop_base, 1);
- sc = inp(iop_base + IOP_REG_SC);
- AscSetBank(iop_base, 0);
- return sc;
-}
-
-static unsigned char __devinit
-AscGetChipVersion(PortAddr iop_base, unsigned short bus_type)
-{
- if (bus_type & ASC_IS_EISA) {
- PortAddr eisa_iop;
- unsigned char revision;
- eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
- (PortAddr) ASC_EISA_REV_IOP_MASK;
- revision = inp(eisa_iop);
- return ASC_CHIP_MIN_VER_EISA - 1 + revision;
- }
- return AscGetChipVerNo(iop_base);
-}
-
-static ASC_DCNT
-AscLoadMicroCode(PortAddr iop_base,
- ushort s_addr, uchar *mcode_buf, ushort mcode_size)
-{
- ASC_DCNT chksum;
- ushort mcode_word_size;
- ushort mcode_chksum;
-
- /* Write the microcode buffer starting at LRAM address 0. */
- mcode_word_size = (ushort)(mcode_size >> 1);
- AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
- AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);
-
- chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
- ASC_DBG1(1, "AscLoadMicroCode: chksum 0x%lx\n", (ulong)chksum);
- mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
- (ushort)ASC_CODE_SEC_BEG,
- (ushort)((mcode_size -
- s_addr - (ushort)
- ASC_CODE_SEC_BEG) /
- 2));
- ASC_DBG1(1, "AscLoadMicroCode: mcode_chksum 0x%lx\n",
- (ulong)mcode_chksum);
- AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
- AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
- return (chksum);
-}
-
-static int AscFindSignature(PortAddr iop_base)
-{
- ushort sig_word;
-
- ASC_DBG2(1, "AscFindSignature: AscGetChipSignatureByte(0x%x) 0x%x\n",
- iop_base, AscGetChipSignatureByte(iop_base));
- if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
- ASC_DBG2(1,
- "AscFindSignature: AscGetChipSignatureWord(0x%x) 0x%x\n",
- iop_base, AscGetChipSignatureWord(iop_base));
- sig_word = AscGetChipSignatureWord(iop_base);
- if ((sig_word == (ushort)ASC_1000_ID0W) ||
- (sig_word == (ushort)ASC_1000_ID0W_FIX)) {
- return (1);
- }
- }
- return (0);
-}
-
-static void __devinit AscToggleIRQAct(PortAddr iop_base)
-{
- AscSetChipStatus(iop_base, CIW_IRQ_ACT);
- AscSetChipStatus(iop_base, 0);
- return;
-}
-
-static uchar __devinit AscGetChipIRQ(PortAddr iop_base, ushort bus_type)
-{
- ushort cfg_lsw;
- uchar chip_irq;
-
- if ((bus_type & ASC_IS_EISA) != 0) {
- cfg_lsw = AscGetEisaChipCfg(iop_base);
- chip_irq = (uchar)(((cfg_lsw >> 8) & 0x07) + 10);
- if ((chip_irq == 13) || (chip_irq > 15)) {
- return (0);
- }
- return (chip_irq);
- }
- if ((bus_type & ASC_IS_VL) != 0) {
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- chip_irq = (uchar)(((cfg_lsw >> 2) & 0x07));
- if ((chip_irq == 0) || (chip_irq == 4) || (chip_irq == 7)) {
- return (0);
- }
- return ((uchar)(chip_irq + (ASC_MIN_IRQ_NO - 1)));
- }
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- chip_irq = (uchar)(((cfg_lsw >> 2) & 0x03));
- if (chip_irq == 3)
- chip_irq += (uchar)2;
- return ((uchar)(chip_irq + ASC_MIN_IRQ_NO));
-}
-
-static uchar __devinit
-AscSetChipIRQ(PortAddr iop_base, uchar irq_no, ushort bus_type)
-{
- ushort cfg_lsw;
-
- if ((bus_type & ASC_IS_VL) != 0) {
- if (irq_no != 0) {
- if ((irq_no < ASC_MIN_IRQ_NO)
- || (irq_no > ASC_MAX_IRQ_NO)) {
- irq_no = 0;
- } else {
- irq_no -= (uchar)((ASC_MIN_IRQ_NO - 1));
- }
- }
- cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFE3);
- cfg_lsw |= (ushort)0x0010;
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- AscToggleIRQAct(iop_base);
- cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFE0);
- cfg_lsw |= (ushort)((irq_no & 0x07) << 2);
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- AscToggleIRQAct(iop_base);
- return (AscGetChipIRQ(iop_base, bus_type));
- }
- if ((bus_type & (ASC_IS_ISA)) != 0) {
- if (irq_no == 15)
- irq_no -= (uchar)2;
- irq_no -= (uchar)ASC_MIN_IRQ_NO;
- cfg_lsw = (ushort)(AscGetChipCfgLsw(iop_base) & 0xFFF3);
- cfg_lsw |= (ushort)((irq_no & 0x03) << 2);
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- return (AscGetChipIRQ(iop_base, bus_type));
- }
- return (0);
-}
-
-#ifdef CONFIG_ISA
-static void __devinit AscEnableIsaDma(uchar dma_channel)
-{
- if (dma_channel < 4) {
- outp(0x000B, (ushort)(0xC0 | dma_channel));
- outp(0x000A, dma_channel);
- } else if (dma_channel < 8) {
- outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4)));
- outp(0x00D4, (ushort)(dma_channel - 4));
- }
- return;
-}
-#endif /* CONFIG_ISA */
-
-static int AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
-{
- EXT_MSG ext_msg;
- EXT_MSG out_msg;
- ushort halt_q_addr;
- int sdtr_accept;
- ushort int_halt_code;
- ASC_SCSI_BIT_ID_TYPE scsi_busy;
- ASC_SCSI_BIT_ID_TYPE target_id;
- PortAddr iop_base;
- uchar tag_code;
- uchar q_status;
- uchar halt_qp;
- uchar sdtr_data;
- uchar target_ix;
- uchar q_cntl, tid_no;
- uchar cur_dvc_qng;
- uchar asyn_sdtr;
- uchar scsi_status;
- asc_board_t *boardp;
-
- ASC_ASSERT(asc_dvc->drv_ptr != NULL);
- boardp = asc_dvc->drv_ptr;
-
- iop_base = asc_dvc->iop_base;
- int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);
-
- halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
- halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
- target_ix = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_TARGET_IX));
- q_cntl =
- AscReadLramByte(iop_base,
- (ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
- tid_no = ASC_TIX_TO_TID(target_ix);
- target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
- if (asc_dvc->pci_fix_asyn_xfer & target_id) {
- asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
- } else {
- asyn_sdtr = 0;
- }
- if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
- if (asc_dvc->pci_fix_asyn_xfer & target_id) {
- AscSetChipSDTR(iop_base, 0, tid_no);
- boardp->sdtr_data[tid_no] = 0;
- }
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
- if (asc_dvc->pci_fix_asyn_xfer & target_id) {
- AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
- boardp->sdtr_data[tid_no] = asyn_sdtr;
- }
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
-
- AscMemWordCopyPtrFromLram(iop_base,
- ASCV_MSGIN_BEG,
- (uchar *)&ext_msg,
- sizeof(EXT_MSG) >> 1);
-
- if (ext_msg.msg_type == EXTENDED_MESSAGE &&
- ext_msg.msg_req == EXTENDED_SDTR &&
- ext_msg.msg_len == MS_SDTR_LEN) {
- sdtr_accept = TRUE;
- if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {
-
- sdtr_accept = FALSE;
- ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
- }
- if ((ext_msg.xfer_period <
- asc_dvc->sdtr_period_tbl[asc_dvc->
- host_init_sdtr_index])
- || (ext_msg.xfer_period >
- asc_dvc->sdtr_period_tbl[asc_dvc->
- max_sdtr_index])) {
- sdtr_accept = FALSE;
- ext_msg.xfer_period =
- asc_dvc->sdtr_period_tbl[asc_dvc->
- host_init_sdtr_index];
- }
- if (sdtr_accept) {
- sdtr_data =
- AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
- ext_msg.req_ack_offset);
- if ((sdtr_data == 0xFF)) {
-
- q_cntl |= QC_MSG_OUT;
- asc_dvc->init_sdtr &= ~target_id;
- asc_dvc->sdtr_done &= ~target_id;
- AscSetChipSDTR(iop_base, asyn_sdtr,
- tid_no);
- boardp->sdtr_data[tid_no] = asyn_sdtr;
- }
- }
- if (ext_msg.req_ack_offset == 0) {
-
- q_cntl &= ~QC_MSG_OUT;
- asc_dvc->init_sdtr &= ~target_id;
- asc_dvc->sdtr_done &= ~target_id;
- AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
- } else {
- if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
-
- q_cntl &= ~QC_MSG_OUT;
- asc_dvc->sdtr_done |= target_id;
- asc_dvc->init_sdtr |= target_id;
- asc_dvc->pci_fix_asyn_xfer &=
- ~target_id;
- sdtr_data =
- AscCalSDTRData(asc_dvc,
- ext_msg.xfer_period,
- ext_msg.
- req_ack_offset);
- AscSetChipSDTR(iop_base, sdtr_data,
- tid_no);
- boardp->sdtr_data[tid_no] = sdtr_data;
- } else {
-
- q_cntl |= QC_MSG_OUT;
- AscMsgOutSDTR(asc_dvc,
- ext_msg.xfer_period,
- ext_msg.req_ack_offset);
- asc_dvc->pci_fix_asyn_xfer &=
- ~target_id;
- sdtr_data =
- AscCalSDTRData(asc_dvc,
- ext_msg.xfer_period,
- ext_msg.
- req_ack_offset);
- AscSetChipSDTR(iop_base, sdtr_data,
- tid_no);
- boardp->sdtr_data[tid_no] = sdtr_data;
- asc_dvc->sdtr_done |= target_id;
- asc_dvc->init_sdtr |= target_id;
- }
- }
-
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL),
- q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
- ext_msg.msg_req == EXTENDED_WDTR &&
- ext_msg.msg_len == MS_WDTR_LEN) {
-
- ext_msg.wdtr_width = 0;
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&ext_msg,
- sizeof(EXT_MSG) >> 1);
- q_cntl |= QC_MSG_OUT;
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL),
- q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else {
-
- ext_msg.msg_type = MESSAGE_REJECT;
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&ext_msg,
- sizeof(EXT_MSG) >> 1);
- q_cntl |= QC_MSG_OUT;
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL),
- q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- }
- } else if (int_halt_code == ASC_HALT_CHK_CONDITION) {
-
- q_cntl |= QC_REQ_SENSE;
-
- if ((asc_dvc->init_sdtr & target_id) != 0) {
-
- asc_dvc->sdtr_done &= ~target_id;
-
- sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
- q_cntl |= QC_MSG_OUT;
- AscMsgOutSDTR(asc_dvc,
- asc_dvc->
- sdtr_period_tbl[(sdtr_data >> 4) &
- (uchar)(asc_dvc->
- max_sdtr_index -
- 1)],
- (uchar)(sdtr_data & (uchar)
- ASC_SYN_MAX_OFFSET));
- }
-
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
-
- tag_code = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr + (ushort)
- ASC_SCSIQ_B_TAG_CODE));
- tag_code &= 0xDC;
- if ((asc_dvc->pci_fix_asyn_xfer & target_id)
- && !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
- ) {
-
- tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
- | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);
-
- }
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_TAG_CODE),
- tag_code);
-
- q_status = AscReadLramByte(iop_base,
- (ushort)(halt_q_addr + (ushort)
- ASC_SCSIQ_B_STATUS));
- q_status |= (QS_READY | QS_BUSY);
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_STATUS),
- q_status);
-
- scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
- scsi_busy &= ~target_id;
- AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);
-
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {
-
- AscMemWordCopyPtrFromLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&out_msg,
- sizeof(EXT_MSG) >> 1);
-
- if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
- (out_msg.msg_len == MS_SDTR_LEN) &&
- (out_msg.msg_req == EXTENDED_SDTR)) {
-
- asc_dvc->init_sdtr &= ~target_id;
- asc_dvc->sdtr_done &= ~target_id;
- AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
- boardp->sdtr_data[tid_no] = asyn_sdtr;
- }
- q_cntl &= ~QC_MSG_OUT;
- AscWriteLramByte(iop_base,
- (ushort)(halt_q_addr +
- (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {
-
- scsi_status = AscReadLramByte(iop_base,
- (ushort)((ushort)halt_q_addr +
- (ushort)
- ASC_SCSIQ_SCSI_STATUS));
- cur_dvc_qng =
- AscReadLramByte(iop_base,
- (ushort)((ushort)ASC_QADR_BEG +
- (ushort)target_ix));
- if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {
-
- scsi_busy = AscReadLramByte(iop_base,
- (ushort)ASCV_SCSIBUSY_B);
- scsi_busy |= target_id;
- AscWriteLramByte(iop_base,
- (ushort)ASCV_SCSIBUSY_B, scsi_busy);
- asc_dvc->queue_full_or_busy |= target_id;
-
- if (scsi_status == SAM_STAT_TASK_SET_FULL) {
- if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
- cur_dvc_qng -= 1;
- asc_dvc->max_dvc_qng[tid_no] =
- cur_dvc_qng;
-
- AscWriteLramByte(iop_base,
- (ushort)((ushort)
- ASCV_MAX_DVC_QNG_BEG
- + (ushort)
- tid_no),
- cur_dvc_qng);
-
- /*
- * Set the device queue depth to the number of
- * active requests when the QUEUE FULL condition
- * was encountered.
- */
- boardp->queue_full |= target_id;
- boardp->queue_full_cnt[tid_no] =
- cur_dvc_qng;
- }
- }
- }
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- }
-#if CC_VERY_LONG_SG_LIST
- else if (int_halt_code == ASC_HALT_HOST_COPY_SG_LIST_TO_RISC) {
- uchar q_no;
- ushort q_addr;
- uchar sg_wk_q_no;
- uchar first_sg_wk_q_no;
- ASC_SCSI_Q *scsiq; /* Ptr to driver request. */
- ASC_SG_HEAD *sg_head; /* Ptr to driver SG request. */
- ASC_SG_LIST_Q scsi_sg_q; /* Structure written to queue. */
- ushort sg_list_dwords;
- ushort sg_entry_cnt;
- uchar next_qp;
- int i;
-
- q_no = AscReadLramByte(iop_base, (ushort)ASCV_REQ_SG_LIST_QP);
- if (q_no == ASC_QLINK_END) {
- return (0);
- }
-
- q_addr = ASC_QNO_TO_QADDR(q_no);
-
- /*
- * Convert the request's SRB pointer to a host ASC_SCSI_REQ
- * structure pointer using a macro provided by the driver.
- * The ASC_SCSI_REQ pointer provides a pointer to the
- * host ASC_SG_HEAD structure.
- */
- /* Read request's SRB pointer. */
- scsiq = (ASC_SCSI_Q *)
- ASC_SRB2SCSIQ(ASC_U32_TO_VADDR(AscReadLramDWord(iop_base,
- (ushort)
- (q_addr +
- ASC_SCSIQ_D_SRBPTR))));
-
- /*
- * Get request's first and working SG queue.
- */
- sg_wk_q_no = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_SG_WK_QP));
-
- first_sg_wk_q_no = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_FIRST_SG_WK_QP));
-
- /*
- * Reset request's working SG queue back to the
- * first SG queue.
- */
- AscWriteLramByte(iop_base,
- (ushort)(q_addr +
- (ushort)ASC_SCSIQ_B_SG_WK_QP),
- first_sg_wk_q_no);
-
- sg_head = scsiq->sg_head;
-
- /*
- * Set sg_entry_cnt to the number of SG elements
- * that will be completed on this interrupt.
- *
- * Note: The allocated SG queues contain ASC_MAX_SG_LIST - 1
- * SG elements. The data_cnt and data_addr fields which
- * add 1 to the SG element capacity are not used when
- * restarting SG handling after a halt.
- */
- if (scsiq->remain_sg_entry_cnt > (ASC_MAX_SG_LIST - 1)) {
- sg_entry_cnt = ASC_MAX_SG_LIST - 1;
-
- /*
- * Keep track of remaining number of SG elements that will
- * need to be handled on the next interrupt.
- */
- scsiq->remain_sg_entry_cnt -= (ASC_MAX_SG_LIST - 1);
- } else {
- sg_entry_cnt = scsiq->remain_sg_entry_cnt;
- scsiq->remain_sg_entry_cnt = 0;
- }
-
- /*
- * Copy SG elements into the list of allocated SG queues.
- *
- * Last index completed is saved in scsiq->next_sg_index.
- */
- next_qp = first_sg_wk_q_no;
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- scsi_sg_q.sg_head_qp = q_no;
- scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
- for (i = 0; i < sg_head->queue_cnt; i++) {
- scsi_sg_q.seq_no = i + 1;
- if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
- sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
- sg_entry_cnt -= ASC_SG_LIST_PER_Q;
- /*
- * After very first SG queue RISC FW uses next
- * SG queue first element then checks sg_list_cnt
- * against zero and then decrements, so set
- * sg_list_cnt 1 less than number of SG elements
- * in each SG queue.
- */
- scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1;
- scsi_sg_q.sg_cur_list_cnt =
- ASC_SG_LIST_PER_Q - 1;
- } else {
- /*
- * This is the last SG queue in the list of
- * allocated SG queues. If there are more
- * SG elements than will fit in the allocated
- * queues, then set the QCSG_SG_XFER_MORE flag.
- */
- if (scsiq->remain_sg_entry_cnt != 0) {
- scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
- } else {
- scsi_sg_q.cntl |= QCSG_SG_XFER_END;
- }
- /* equals sg_entry_cnt * 2 */
- sg_list_dwords = sg_entry_cnt << 1;
- scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1;
- scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1;
- sg_entry_cnt = 0;
- }
-
- scsi_sg_q.q_no = next_qp;
- AscMemWordCopyPtrToLram(iop_base,
- q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
- (uchar *)&scsi_sg_q,
- sizeof(ASC_SG_LIST_Q) >> 1);
-
- AscMemDWordCopyPtrToLram(iop_base,
- q_addr + ASC_SGQ_LIST_BEG,
- (uchar *)&sg_head->
- sg_list[scsiq->next_sg_index],
- sg_list_dwords);
-
- scsiq->next_sg_index += ASC_SG_LIST_PER_Q;
-
- /*
- * If the just completed SG queue contained the
- * last SG element, then no more SG queues need
- * to be written.
- */
- if (scsi_sg_q.cntl & QCSG_SG_XFER_END) {
- break;
- }
-
- next_qp = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_FWD));
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- }
-
- /*
- * Clear the halt condition so the RISC will be restarted
- * after the return.
- */
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- return (0);
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- return (0);
-}
-
-static uchar
-_AscCopyLramScsiDoneQ(PortAddr iop_base,
- ushort q_addr,
- ASC_QDONE_INFO *scsiq, ASC_DCNT max_dma_count)
-{
- ushort _val;
- uchar sg_queue_cnt;
-
- DvcGetQinfo(iop_base,
- q_addr + ASC_SCSIQ_DONE_INFO_BEG,
- (uchar *)scsiq,
- (sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);
-
- _val = AscReadLramWord(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
- scsiq->q_status = (uchar)_val;
- scsiq->q_no = (uchar)(_val >> 8);
- _val = AscReadLramWord(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
- scsiq->cntl = (uchar)_val;
- sg_queue_cnt = (uchar)(_val >> 8);
- _val = AscReadLramWord(iop_base,
- (ushort)(q_addr +
- (ushort)ASC_SCSIQ_B_SENSE_LEN));
- scsiq->sense_len = (uchar)_val;
- scsiq->extra_bytes = (uchar)(_val >> 8);
-
- /*
- * Read high word of remain bytes from alternate location.
- */
- scsiq->remain_bytes = (((ADV_DCNT)AscReadLramWord(iop_base,
- (ushort)(q_addr +
- (ushort)
- ASC_SCSIQ_W_ALT_DC1)))
- << 16);
- /*
- * Read low word of remain bytes from original location.
- */
- scsiq->remain_bytes += AscReadLramWord(iop_base,
- (ushort)(q_addr + (ushort)
- ASC_SCSIQ_DW_REMAIN_XFER_CNT));
-
- scsiq->remain_bytes &= max_dma_count;
- return (sg_queue_cnt);
-}
-
-static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
-{
- uchar next_qp;
- uchar n_q_used;
- uchar sg_list_qp;
- uchar sg_queue_cnt;
- uchar q_cnt;
- uchar done_q_tail;
- uchar tid_no;
- ASC_SCSI_BIT_ID_TYPE scsi_busy;
- ASC_SCSI_BIT_ID_TYPE target_id;
- PortAddr iop_base;
- ushort q_addr;
- ushort sg_q_addr;
- uchar cur_target_qng;
- ASC_QDONE_INFO scsiq_buf;
- ASC_QDONE_INFO *scsiq;
- int false_overrun;
-
- iop_base = asc_dvc->iop_base;
- n_q_used = 1;
- scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
- done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
- q_addr = ASC_QNO_TO_QADDR(done_q_tail);
- next_qp = AscReadLramByte(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
- if (next_qp != ASC_QLINK_END) {
- AscPutVarDoneQTail(iop_base, next_qp);
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
- asc_dvc->max_dma_count);
- AscWriteLramByte(iop_base,
- (ushort)(q_addr +
- (ushort)ASC_SCSIQ_B_STATUS),
- (uchar)(scsiq->
- q_status & (uchar)~(QS_READY |
- QS_ABORTED)));
- tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
- target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
- if ((scsiq->cntl & QC_SG_HEAD) != 0) {
- sg_q_addr = q_addr;
- sg_list_qp = next_qp;
- for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
- sg_list_qp = AscReadLramByte(iop_base,
- (ushort)(sg_q_addr
- + (ushort)
- ASC_SCSIQ_B_FWD));
- sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
- if (sg_list_qp == ASC_QLINK_END) {
- AscSetLibErrorCode(asc_dvc,
- ASCQ_ERR_SG_Q_LINKS);
- scsiq->d3.done_stat = QD_WITH_ERROR;
- scsiq->d3.host_stat =
- QHSTA_D_QDONE_SG_LIST_CORRUPTED;
- goto FATAL_ERR_QDONE;
- }
- AscWriteLramByte(iop_base,
- (ushort)(sg_q_addr + (ushort)
- ASC_SCSIQ_B_STATUS),
- QS_FREE);
- }
- n_q_used = sg_queue_cnt + 1;
- AscPutVarDoneQTail(iop_base, sg_list_qp);
- }
- if (asc_dvc->queue_full_or_busy & target_id) {
- cur_target_qng = AscReadLramByte(iop_base,
- (ushort)((ushort)
- ASC_QADR_BEG
- + (ushort)
- scsiq->d2.
- target_ix));
- if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
- scsi_busy = AscReadLramByte(iop_base, (ushort)
- ASCV_SCSIBUSY_B);
- scsi_busy &= ~target_id;
- AscWriteLramByte(iop_base,
- (ushort)ASCV_SCSIBUSY_B,
- scsi_busy);
- asc_dvc->queue_full_or_busy &= ~target_id;
- }
- }
- if (asc_dvc->cur_total_qng >= n_q_used) {
- asc_dvc->cur_total_qng -= n_q_used;
- if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
- asc_dvc->cur_dvc_qng[tid_no]--;
- }
- } else {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
- scsiq->d3.done_stat = QD_WITH_ERROR;
- goto FATAL_ERR_QDONE;
- }
- if ((scsiq->d2.srb_ptr == 0UL) ||
- ((scsiq->q_status & QS_ABORTED) != 0)) {
- return (0x11);
- } else if (scsiq->q_status == QS_DONE) {
- false_overrun = FALSE;
- if (scsiq->extra_bytes != 0) {
- scsiq->remain_bytes +=
- (ADV_DCNT)scsiq->extra_bytes;
- }
- if (scsiq->d3.done_stat == QD_WITH_ERROR) {
- if (scsiq->d3.host_stat ==
- QHSTA_M_DATA_OVER_RUN) {
- if ((scsiq->
- cntl & (QC_DATA_IN | QC_DATA_OUT))
- == 0) {
- scsiq->d3.done_stat =
- QD_NO_ERROR;
- scsiq->d3.host_stat =
- QHSTA_NO_ERROR;
- } else if (false_overrun) {
- scsiq->d3.done_stat =
- QD_NO_ERROR;
- scsiq->d3.host_stat =
- QHSTA_NO_ERROR;
- }
- } else if (scsiq->d3.host_stat ==
- QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
- AscStopChip(iop_base);
- AscSetChipControl(iop_base,
- (uchar)(CC_SCSI_RESET
- | CC_HALT));
- DvcDelayNanoSecond(asc_dvc, 60000);
- AscSetChipControl(iop_base, CC_HALT);
- AscSetChipStatus(iop_base,
- CIW_CLR_SCSI_RESET_INT);
- AscSetChipStatus(iop_base, 0);
- AscSetChipControl(iop_base, 0);
- }
- }
- if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
- asc_isr_callback(asc_dvc, scsiq);
- } else {
- if ((AscReadLramByte(iop_base,
- (ushort)(q_addr + (ushort)
- ASC_SCSIQ_CDB_BEG))
- == START_STOP)) {
- asc_dvc->unit_not_ready &= ~target_id;
- if (scsiq->d3.done_stat != QD_NO_ERROR) {
- asc_dvc->start_motor &=
- ~target_id;
- }
- }
- }
- return (1);
- } else {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
- FATAL_ERR_QDONE:
- if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
- asc_isr_callback(asc_dvc, scsiq);
- }
- return (0x80);
- }
- }
- return (0);
-}
-
-static int AscISR(ASC_DVC_VAR *asc_dvc)
-{
- ASC_CS_TYPE chipstat;
- PortAddr iop_base;
- ushort saved_ram_addr;
- uchar ctrl_reg;
- uchar saved_ctrl_reg;
- int int_pending;
- int status;
- uchar host_flag;
-
- iop_base = asc_dvc->iop_base;
- int_pending = FALSE;
-
- if (AscIsIntPending(iop_base) == 0) {
- return int_pending;
- }
-
- if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
- return (ERR);
- }
- if (asc_dvc->in_critical_cnt != 0) {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
- return (ERR);
- }
- if (asc_dvc->is_in_int) {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
- return (ERR);
- }
- asc_dvc->is_in_int = TRUE;
- ctrl_reg = AscGetChipControl(iop_base);
- saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
- CC_SINGLE_STEP | CC_DIAG | CC_TEST));
- chipstat = AscGetChipStatus(iop_base);
- if (chipstat & CSW_SCSI_RESET_LATCH) {
- if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
- int i = 10;
- int_pending = TRUE;
- asc_dvc->sdtr_done = 0;
- saved_ctrl_reg &= (uchar)(~CC_HALT);
- while ((AscGetChipStatus(iop_base) &
- CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
- DvcSleepMilliSecond(100);
- }
- AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
- AscSetChipControl(iop_base, CC_HALT);
- AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
- AscSetChipStatus(iop_base, 0);
- chipstat = AscGetChipStatus(iop_base);
- }
- }
- saved_ram_addr = AscGetChipLramAddr(iop_base);
- host_flag = AscReadLramByte(iop_base,
- ASCV_HOST_FLAG_B) &
- (uchar)(~ASC_HOST_FLAG_IN_ISR);
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
- (uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
- if ((chipstat & CSW_INT_PENDING)
- || (int_pending)
- ) {
- AscAckInterrupt(iop_base);
- int_pending = TRUE;
- if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
- if (AscIsrChipHalted(asc_dvc) == ERR) {
- goto ISR_REPORT_QDONE_FATAL_ERROR;
- } else {
- saved_ctrl_reg &= (uchar)(~CC_HALT);
- }
- } else {
- ISR_REPORT_QDONE_FATAL_ERROR:
- if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
- while (((status =
- AscIsrQDone(asc_dvc)) & 0x01) != 0) {
- }
- } else {
- do {
- if ((status =
- AscIsrQDone(asc_dvc)) == 1) {
- break;
- }
- } while (status == 0x11);
- }
- if ((status & 0x80) != 0)
- int_pending = ERR;
- }
- }
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
- AscSetChipLramAddr(iop_base, saved_ram_addr);
- AscSetChipControl(iop_base, saved_ctrl_reg);
- asc_dvc->is_in_int = FALSE;
- return (int_pending);
-}
-
-/* Microcode buffer is kept after initialization for error recovery. */
-static uchar _asc_mcode_buf[] = {
- 0x01, 0x03, 0x01, 0x19, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC3, 0x12, 0x0D, 0x05,
- 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0xFF, 0x80, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0xFF,
- 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0xE4, 0x88, 0x00, 0x00, 0x00, 0x00, 0x80, 0x73, 0x48, 0x04,
- 0x36, 0x00, 0x00, 0xA2, 0xC2, 0x00, 0x80, 0x73, 0x03, 0x23, 0x36, 0x40,
- 0xB6, 0x00, 0x36, 0x00, 0x05, 0xD6, 0x0C, 0xD2, 0x12, 0xDA, 0x00, 0xA2,
- 0xC2, 0x00, 0x92, 0x80, 0x1E, 0x98, 0x50, 0x00, 0xF5, 0x00, 0x48, 0x98,
- 0xDF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x4F, 0x00, 0xF5, 0x00,
- 0x48, 0x98, 0xEF, 0x23, 0x36, 0x60, 0xB6, 0x00, 0x92, 0x80, 0x80, 0x62,
- 0x92, 0x80, 0x00, 0x46, 0x15, 0xEE, 0x13, 0xEA, 0x02, 0x01, 0x09, 0xD8,
- 0xCD, 0x04, 0x4D, 0x00, 0x00, 0xA3, 0xD6, 0x00, 0xA6, 0x97, 0x7F, 0x23,
- 0x04, 0x61, 0x84, 0x01, 0xE6, 0x84, 0xD2, 0xC1, 0x80, 0x73, 0xCD, 0x04,
- 0x4D, 0x00, 0x00, 0xA3, 0xDA, 0x01, 0xA6, 0x97, 0xC6, 0x81, 0xC2, 0x88,
- 0x80, 0x73, 0x80, 0x77, 0x00, 0x01, 0x01, 0xA1, 0xFE, 0x00, 0x4F, 0x00,
- 0x84, 0x97, 0x07, 0xA6, 0x08, 0x01, 0x00, 0x33, 0x03, 0x00, 0xC2, 0x88,
- 0x03, 0x03, 0x01, 0xDE, 0xC2, 0x88, 0xCE, 0x00, 0x69, 0x60, 0xCE, 0x00,
- 0x02, 0x03, 0x4A, 0x60, 0x00, 0xA2, 0x78, 0x01, 0x80, 0x63, 0x07, 0xA6,
- 0x24, 0x01, 0x78, 0x81, 0x03, 0x03, 0x80, 0x63, 0xE2, 0x00, 0x07, 0xA6,
- 0x34, 0x01, 0x00, 0x33, 0x04, 0x00, 0xC2, 0x88, 0x03, 0x07, 0x02, 0x01,
- 0x04, 0xCA, 0x0D, 0x23, 0x68, 0x98, 0x4D, 0x04, 0x04, 0x85, 0x05, 0xD8,
- 0x0D, 0x23, 0x68, 0x98, 0xCD, 0x04, 0x15, 0x23, 0xF8, 0x88, 0xFB, 0x23,
- 0x02, 0x61, 0x82, 0x01, 0x80, 0x63, 0x02, 0x03, 0x06, 0xA3, 0x62, 0x01,
- 0x00, 0x33, 0x0A, 0x00, 0xC2, 0x88, 0x4E, 0x00, 0x07, 0xA3, 0x6E, 0x01,
- 0x00, 0x33, 0x0B, 0x00, 0xC2, 0x88, 0xCD, 0x04, 0x36, 0x2D, 0x00, 0x33,
- 0x1A, 0x00, 0xC2, 0x88, 0x50, 0x04, 0x88, 0x81, 0x06, 0xAB, 0x82, 0x01,
- 0x88, 0x81, 0x4E, 0x00, 0x07, 0xA3, 0x92, 0x01, 0x50, 0x00, 0x00, 0xA3,
- 0x3C, 0x01, 0x00, 0x05, 0x7C, 0x81, 0x46, 0x97, 0x02, 0x01, 0x05, 0xC6,
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- 0xE6, 0x20, 0x02, 0x23, 0xE8, 0x00, 0x82, 0x73, 0xFF, 0xFD, 0x80, 0x73,
- 0x13, 0x23, 0xF8, 0x88, 0x66, 0x20, 0xC0, 0x20, 0x04, 0x23, 0xA0, 0x01,
- 0xA1, 0x23, 0xA1, 0x01, 0x81, 0x62, 0xE2, 0x88, 0x80, 0x73, 0x80, 0x77,
- 0x68, 0x00, 0x00, 0xA2, 0x80, 0x00, 0x03, 0xC2, 0xF1, 0xC7, 0x41, 0x23,
- 0xF8, 0x88, 0x11, 0x23, 0xA1, 0x01, 0x04, 0x23, 0xA0, 0x01, 0xE6, 0x84,
-};
-
-static ushort _asc_mcode_size = sizeof(_asc_mcode_buf);
-static ADV_DCNT _asc_mcode_chksum = 0x012C453FUL;
-
-#define ASC_SYN_OFFSET_ONE_DISABLE_LIST 16
-static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
- INQUIRY,
- REQUEST_SENSE,
- READ_CAPACITY,
- READ_TOC,
- MODE_SELECT,
- MODE_SENSE,
- MODE_SELECT_10,
- MODE_SENSE_10,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF,
- 0xFF
-};
-
-static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
-{
- PortAddr iop_base;
- ulong last_int_level;
- int sta;
- int n_q_required;
- int disable_syn_offset_one_fix;
- int i;
- ASC_PADDR addr;
- ushort sg_entry_cnt = 0;
- ushort sg_entry_cnt_minus_one = 0;
- uchar target_ix;
- uchar tid_no;
- uchar sdtr_data;
- uchar extra_bytes;
- uchar scsi_cmd;
- uchar disable_cmd;
- ASC_SG_HEAD *sg_head;
- ASC_DCNT data_cnt;
-
- iop_base = asc_dvc->iop_base;
- sg_head = scsiq->sg_head;
- if (asc_dvc->err_code != 0)
- return (ERR);
- if (scsiq == (ASC_SCSI_Q *)0L) {
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_SCSIQ_NULL_PTR);
- return (ERR);
- }
- scsiq->q1.q_no = 0;
- if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
- scsiq->q1.extra_bytes = 0;
- }
- sta = 0;
- target_ix = scsiq->q2.target_ix;
- tid_no = ASC_TIX_TO_TID(target_ix);
- n_q_required = 1;
- if (scsiq->cdbptr[0] == REQUEST_SENSE) {
- if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
- asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
- sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
- AscMsgOutSDTR(asc_dvc,
- asc_dvc->
- sdtr_period_tbl[(sdtr_data >> 4) &
- (uchar)(asc_dvc->
- max_sdtr_index -
- 1)],
- (uchar)(sdtr_data & (uchar)
- ASC_SYN_MAX_OFFSET));
- scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
- }
- }
- last_int_level = DvcEnterCritical();
- if (asc_dvc->in_critical_cnt != 0) {
- DvcLeaveCritical(last_int_level);
- AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
- return (ERR);
- }
- asc_dvc->in_critical_cnt++;
- if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
- if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
- asc_dvc->in_critical_cnt--;
- DvcLeaveCritical(last_int_level);
- return (ERR);
- }
-#if !CC_VERY_LONG_SG_LIST
- if (sg_entry_cnt > ASC_MAX_SG_LIST) {
- asc_dvc->in_critical_cnt--;
- DvcLeaveCritical(last_int_level);
- return (ERR);
- }
-#endif /* !CC_VERY_LONG_SG_LIST */
- if (sg_entry_cnt == 1) {
- scsiq->q1.data_addr =
- (ADV_PADDR)sg_head->sg_list[0].addr;
- scsiq->q1.data_cnt =
- (ADV_DCNT)sg_head->sg_list[0].bytes;
- scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
- }
- sg_entry_cnt_minus_one = sg_entry_cnt - 1;
- }
- scsi_cmd = scsiq->cdbptr[0];
- disable_syn_offset_one_fix = FALSE;
- if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
- !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
- if (scsiq->q1.cntl & QC_SG_HEAD) {
- data_cnt = 0;
- for (i = 0; i < sg_entry_cnt; i++) {
- data_cnt +=
- (ADV_DCNT)le32_to_cpu(sg_head->sg_list[i].
- bytes);
- }
- } else {
- data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
- }
- if (data_cnt != 0UL) {
- if (data_cnt < 512UL) {
- disable_syn_offset_one_fix = TRUE;
- } else {
- for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
- i++) {
- disable_cmd =
- _syn_offset_one_disable_cmd[i];
- if (disable_cmd == 0xFF) {
- break;
- }
- if (scsi_cmd == disable_cmd) {
- disable_syn_offset_one_fix =
- TRUE;
- break;
- }
- }
- }
- }
- }
- if (disable_syn_offset_one_fix) {
- scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
- scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
- ASC_TAG_FLAG_DISABLE_DISCONNECT);
- } else {
- scsiq->q2.tag_code &= 0x27;
- }
- if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
- if (asc_dvc->bug_fix_cntl) {
- if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
- if ((scsi_cmd == READ_6) ||
- (scsi_cmd == READ_10)) {
- addr =
- (ADV_PADDR)le32_to_cpu(sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- addr) +
- (ADV_DCNT)le32_to_cpu(sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- bytes);
- extra_bytes =
- (uchar)((ushort)addr & 0x0003);
- if ((extra_bytes != 0)
- &&
- ((scsiq->q2.
- tag_code &
- ASC_TAG_FLAG_EXTRA_BYTES)
- == 0)) {
- scsiq->q2.tag_code |=
- ASC_TAG_FLAG_EXTRA_BYTES;
- scsiq->q1.extra_bytes =
- extra_bytes;
- data_cnt =
- le32_to_cpu(sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- bytes);
- data_cnt -=
- (ASC_DCNT) extra_bytes;
- sg_head->
- sg_list
- [sg_entry_cnt_minus_one].
- bytes =
- cpu_to_le32(data_cnt);
- }
- }
- }
- }
- sg_head->entry_to_copy = sg_head->entry_cnt;
-#if CC_VERY_LONG_SG_LIST
- /*
- * Set the sg_entry_cnt to the maximum possible. The rest of
- * the SG elements will be copied when the RISC completes the
- * SG elements that fit and halts.
- */
- if (sg_entry_cnt > ASC_MAX_SG_LIST) {
- sg_entry_cnt = ASC_MAX_SG_LIST;
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- n_q_required = AscSgListToQueue(sg_entry_cnt);
- if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >=
- (uint) n_q_required)
- || ((scsiq->q1.cntl & QC_URGENT) != 0)) {
- if ((sta =
- AscSendScsiQueue(asc_dvc, scsiq,
- n_q_required)) == 1) {
- asc_dvc->in_critical_cnt--;
- DvcLeaveCritical(last_int_level);
- return (sta);
- }
- }
- } else {
- if (asc_dvc->bug_fix_cntl) {
- if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
- if ((scsi_cmd == READ_6) ||
- (scsi_cmd == READ_10)) {
- addr =
- le32_to_cpu(scsiq->q1.data_addr) +
- le32_to_cpu(scsiq->q1.data_cnt);
- extra_bytes =
- (uchar)((ushort)addr & 0x0003);
- if ((extra_bytes != 0)
- &&
- ((scsiq->q2.
- tag_code &
- ASC_TAG_FLAG_EXTRA_BYTES)
- == 0)) {
- data_cnt =
- le32_to_cpu(scsiq->q1.
- data_cnt);
- if (((ushort)data_cnt & 0x01FF)
- == 0) {
- scsiq->q2.tag_code |=
- ASC_TAG_FLAG_EXTRA_BYTES;
- data_cnt -= (ASC_DCNT)
- extra_bytes;
- scsiq->q1.data_cnt =
- cpu_to_le32
- (data_cnt);
- scsiq->q1.extra_bytes =
- extra_bytes;
- }
- }
- }
- }
- }
- n_q_required = 1;
- if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) ||
- ((scsiq->q1.cntl & QC_URGENT) != 0)) {
- if ((sta = AscSendScsiQueue(asc_dvc, scsiq,
- n_q_required)) == 1) {
- asc_dvc->in_critical_cnt--;
- DvcLeaveCritical(last_int_level);
- return (sta);
- }
- }
- }
- asc_dvc->in_critical_cnt--;
- DvcLeaveCritical(last_int_level);
- return (sta);
-}
-
-static int
-AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
-{
- PortAddr iop_base;
- uchar free_q_head;
- uchar next_qp;
- uchar tid_no;
- uchar target_ix;
- int sta;
-
- iop_base = asc_dvc->iop_base;
- target_ix = scsiq->q2.target_ix;
- tid_no = ASC_TIX_TO_TID(target_ix);
- sta = 0;
- free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
- if (n_q_required > 1) {
- if ((next_qp = AscAllocMultipleFreeQueue(iop_base,
- free_q_head, (uchar)
- (n_q_required)))
- != (uchar)ASC_QLINK_END) {
- asc_dvc->last_q_shortage = 0;
- scsiq->sg_head->queue_cnt = n_q_required - 1;
- scsiq->q1.q_no = free_q_head;
- if ((sta = AscPutReadySgListQueue(asc_dvc, scsiq,
- free_q_head)) == 1) {
- AscPutVarFreeQHead(iop_base, next_qp);
- asc_dvc->cur_total_qng += (uchar)(n_q_required);
- asc_dvc->cur_dvc_qng[tid_no]++;
- }
- return (sta);
- }
- } else if (n_q_required == 1) {
- if ((next_qp = AscAllocFreeQueue(iop_base,
- free_q_head)) !=
- ASC_QLINK_END) {
- scsiq->q1.q_no = free_q_head;
- if ((sta = AscPutReadyQueue(asc_dvc, scsiq,
- free_q_head)) == 1) {
- AscPutVarFreeQHead(iop_base, next_qp);
- asc_dvc->cur_total_qng++;
- asc_dvc->cur_dvc_qng[tid_no]++;
- }
- return (sta);
- }
- }
- return (sta);
-}
-
-static int AscSgListToQueue(int sg_list)
-{
- int n_sg_list_qs;
-
- n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
- if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
- n_sg_list_qs++;
- return (n_sg_list_qs + 1);
-}
-
-static uint
-AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
-{
- uint cur_used_qs;
- uint cur_free_qs;
- ASC_SCSI_BIT_ID_TYPE target_id;
- uchar tid_no;
-
- target_id = ASC_TIX_TO_TARGET_ID(target_ix);
- tid_no = ASC_TIX_TO_TID(target_ix);
- if ((asc_dvc->unit_not_ready & target_id) ||
- (asc_dvc->queue_full_or_busy & target_id)) {
- return (0);
- }
- if (n_qs == 1) {
- cur_used_qs = (uint) asc_dvc->cur_total_qng +
- (uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
- } else {
- cur_used_qs = (uint) asc_dvc->cur_total_qng +
- (uint) ASC_MIN_FREE_Q;
- }
- if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
- cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
- if (asc_dvc->cur_dvc_qng[tid_no] >=
- asc_dvc->max_dvc_qng[tid_no]) {
- return (0);
- }
- return (cur_free_qs);
- }
- if (n_qs > 1) {
- if ((n_qs > asc_dvc->last_q_shortage)
- && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
- asc_dvc->last_q_shortage = n_qs;
- }
- }
- return (0);
-}
-
-static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
-{
- ushort q_addr;
- uchar tid_no;
- uchar sdtr_data;
- uchar syn_period_ix;
- uchar syn_offset;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
- ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
- tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
- sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
- syn_period_ix =
- (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
- syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
- AscMsgOutSDTR(asc_dvc,
- asc_dvc->sdtr_period_tbl[syn_period_ix],
- syn_offset);
- scsiq->q1.cntl |= QC_MSG_OUT;
- }
- q_addr = ASC_QNO_TO_QADDR(q_no);
- if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
- scsiq->q2.tag_code &= ~MSG_SIMPLE_TAG;
- }
- scsiq->q1.status = QS_FREE;
- AscMemWordCopyPtrToLram(iop_base,
- q_addr + ASC_SCSIQ_CDB_BEG,
- (uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);
-
- DvcPutScsiQ(iop_base,
- q_addr + ASC_SCSIQ_CPY_BEG,
- (uchar *)&scsiq->q1.cntl,
- ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
- AscWriteLramWord(iop_base,
- (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
- (ushort)(((ushort)scsiq->q1.
- q_no << 8) | (ushort)QS_READY));
- return (1);
-}
-
-static int
-AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
-{
- int sta;
- int i;
- ASC_SG_HEAD *sg_head;
- ASC_SG_LIST_Q scsi_sg_q;
- ASC_DCNT saved_data_addr;
- ASC_DCNT saved_data_cnt;
- PortAddr iop_base;
- ushort sg_list_dwords;
- ushort sg_index;
- ushort sg_entry_cnt;
- ushort q_addr;
- uchar next_qp;
-
- iop_base = asc_dvc->iop_base;
- sg_head = scsiq->sg_head;
- saved_data_addr = scsiq->q1.data_addr;
- saved_data_cnt = scsiq->q1.data_cnt;
- scsiq->q1.data_addr = (ASC_PADDR) sg_head->sg_list[0].addr;
- scsiq->q1.data_cnt = (ASC_DCNT) sg_head->sg_list[0].bytes;
-#if CC_VERY_LONG_SG_LIST
- /*
- * If sg_head->entry_cnt is greater than ASC_MAX_SG_LIST
- * then not all SG elements will fit in the allocated queues.
- * The rest of the SG elements will be copied when the RISC
- * completes the SG elements that fit and halts.
- */
- if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
- /*
- * Set sg_entry_cnt to be the number of SG elements that
- * will fit in the allocated SG queues. It is minus 1, because
- * the first SG element is handled above. ASC_MAX_SG_LIST is
- * already inflated by 1 to account for this. For example it
- * may be 50 which is 1 + 7 queues * 7 SG elements.
- */
- sg_entry_cnt = ASC_MAX_SG_LIST - 1;
-
- /*
- * Keep track of remaining number of SG elements that will
- * need to be handled from a_isr.c.
- */
- scsiq->remain_sg_entry_cnt =
- sg_head->entry_cnt - ASC_MAX_SG_LIST;
- } else {
-#endif /* CC_VERY_LONG_SG_LIST */
- /*
- * Set sg_entry_cnt to be the number of SG elements that
- * will fit in the allocated SG queues. It is minus 1, because
- * the first SG element is handled above.
- */
- sg_entry_cnt = sg_head->entry_cnt - 1;
-#if CC_VERY_LONG_SG_LIST
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- if (sg_entry_cnt != 0) {
- scsiq->q1.cntl |= QC_SG_HEAD;
- q_addr = ASC_QNO_TO_QADDR(q_no);
- sg_index = 1;
- scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
- scsi_sg_q.sg_head_qp = q_no;
- scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
- for (i = 0; i < sg_head->queue_cnt; i++) {
- scsi_sg_q.seq_no = i + 1;
- if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
- sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
- sg_entry_cnt -= ASC_SG_LIST_PER_Q;
- if (i == 0) {
- scsi_sg_q.sg_list_cnt =
- ASC_SG_LIST_PER_Q;
- scsi_sg_q.sg_cur_list_cnt =
- ASC_SG_LIST_PER_Q;
- } else {
- scsi_sg_q.sg_list_cnt =
- ASC_SG_LIST_PER_Q - 1;
- scsi_sg_q.sg_cur_list_cnt =
- ASC_SG_LIST_PER_Q - 1;
- }
- } else {
-#if CC_VERY_LONG_SG_LIST
- /*
- * This is the last SG queue in the list of
- * allocated SG queues. If there are more
- * SG elements than will fit in the allocated
- * queues, then set the QCSG_SG_XFER_MORE flag.
- */
- if (sg_head->entry_cnt > ASC_MAX_SG_LIST) {
- scsi_sg_q.cntl |= QCSG_SG_XFER_MORE;
- } else {
-#endif /* CC_VERY_LONG_SG_LIST */
- scsi_sg_q.cntl |= QCSG_SG_XFER_END;
-#if CC_VERY_LONG_SG_LIST
- }
-#endif /* CC_VERY_LONG_SG_LIST */
- sg_list_dwords = sg_entry_cnt << 1;
- if (i == 0) {
- scsi_sg_q.sg_list_cnt = sg_entry_cnt;
- scsi_sg_q.sg_cur_list_cnt =
- sg_entry_cnt;
- } else {
- scsi_sg_q.sg_list_cnt =
- sg_entry_cnt - 1;
- scsi_sg_q.sg_cur_list_cnt =
- sg_entry_cnt - 1;
- }
- sg_entry_cnt = 0;
- }
- next_qp = AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_FWD));
- scsi_sg_q.q_no = next_qp;
- q_addr = ASC_QNO_TO_QADDR(next_qp);
- AscMemWordCopyPtrToLram(iop_base,
- q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
- (uchar *)&scsi_sg_q,
- sizeof(ASC_SG_LIST_Q) >> 1);
- AscMemDWordCopyPtrToLram(iop_base,
- q_addr + ASC_SGQ_LIST_BEG,
- (uchar *)&sg_head->
- sg_list[sg_index],
- sg_list_dwords);
- sg_index += ASC_SG_LIST_PER_Q;
- scsiq->next_sg_index = sg_index;
- }
- } else {
- scsiq->q1.cntl &= ~QC_SG_HEAD;
- }
- sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
- scsiq->q1.data_addr = saved_data_addr;
- scsiq->q1.data_cnt = saved_data_cnt;
- return (sta);
-}
-
-static int
-AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
-{
- int sta = FALSE;
-
- if (AscHostReqRiscHalt(iop_base)) {
- sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
- AscStartChip(iop_base);
- return (sta);
- }
- return (sta);
-}
-
-static int AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
-{
- ASC_SCSI_BIT_ID_TYPE org_id;
- int i;
- int sta = TRUE;
-
- AscSetBank(iop_base, 1);
- org_id = AscReadChipDvcID(iop_base);
- for (i = 0; i <= ASC_MAX_TID; i++) {
- if (org_id == (0x01 << i))
- break;
- }
- org_id = (ASC_SCSI_BIT_ID_TYPE) i;
- AscWriteChipDvcID(iop_base, id);
- if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
- AscSetBank(iop_base, 0);
- AscSetChipSyn(iop_base, sdtr_data);
- if (AscGetChipSyn(iop_base) != sdtr_data) {
- sta = FALSE;
- }
- } else {
- sta = FALSE;
- }
- AscSetBank(iop_base, 1);
- AscWriteChipDvcID(iop_base, org_id);
- AscSetBank(iop_base, 0);
- return (sta);
-}
-
-static ushort AscInitLram(ASC_DVC_VAR *asc_dvc)
-{
- uchar i;
- ushort s_addr;
- PortAddr iop_base;
- ushort warn_code;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
- (ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
- 64) >> 1)
- );
- i = ASC_MIN_ACTIVE_QNO;
- s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
- (uchar)(i + 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
- (uchar)(asc_dvc->max_total_qng));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
- (uchar)i);
- i++;
- s_addr += ASC_QBLK_SIZE;
- for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
- (uchar)(i + 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
- (uchar)(i - 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
- (uchar)i);
- }
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
- (uchar)ASC_QLINK_END);
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
- (uchar)(asc_dvc->max_total_qng - 1));
- AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
- (uchar)asc_dvc->max_total_qng);
- i++;
- s_addr += ASC_QBLK_SIZE;
- for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
- i++, s_addr += ASC_QBLK_SIZE) {
- AscWriteLramByte(iop_base,
- (ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
- AscWriteLramByte(iop_base,
- (ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
- AscWriteLramByte(iop_base,
- (ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
- }
- return (warn_code);
-}
-
-static ushort AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
-{
- PortAddr iop_base;
- int i;
- ushort lram_addr;
-
- iop_base = asc_dvc->iop_base;
- AscPutRiscVarFreeQHead(iop_base, 1);
- AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
- AscPutVarFreeQHead(iop_base, 1);
- AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
- AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
- (uchar)((int)asc_dvc->max_total_qng + 1));
- AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
- (uchar)((int)asc_dvc->max_total_qng + 2));
- AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
- asc_dvc->max_total_qng);
- AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
- AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
- AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
- AscPutQDoneInProgress(iop_base, 0);
- lram_addr = ASC_QADR_BEG;
- for (i = 0; i < 32; i++, lram_addr += 2) {
- AscWriteLramWord(iop_base, lram_addr, 0);
- }
- return (0);
-}
-
-static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
-{
- if (asc_dvc->err_code == 0) {
- asc_dvc->err_code = err_code;
- AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
- err_code);
- }
- return (err_code);
-}
-
-static uchar
-AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
-{
- EXT_MSG sdtr_buf;
- uchar sdtr_period_index;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- sdtr_buf.msg_type = EXTENDED_MESSAGE;
- sdtr_buf.msg_len = MS_SDTR_LEN;
- sdtr_buf.msg_req = EXTENDED_SDTR;
- sdtr_buf.xfer_period = sdtr_period;
- sdtr_offset &= ASC_SYN_MAX_OFFSET;
- sdtr_buf.req_ack_offset = sdtr_offset;
- if ((sdtr_period_index =
- AscGetSynPeriodIndex(asc_dvc, sdtr_period)) <=
- asc_dvc->max_sdtr_index) {
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&sdtr_buf,
- sizeof(EXT_MSG) >> 1);
- return ((sdtr_period_index << 4) | sdtr_offset);
- } else {
-
- sdtr_buf.req_ack_offset = 0;
- AscMemWordCopyPtrToLram(iop_base,
- ASCV_MSGOUT_BEG,
- (uchar *)&sdtr_buf,
- sizeof(EXT_MSG) >> 1);
- return (0);
- }
-}
-
-static uchar
-AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
-{
- uchar byte;
- uchar sdtr_period_ix;
-
- sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
- if ((sdtr_period_ix > asc_dvc->max_sdtr_index)
- ) {
- return (0xFF);
- }
- byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
- return (byte);
-}
-
-static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
-{
- AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
- AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
- return;
-}
-
-static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
-{
- uchar *period_table;
- int max_index;
- int min_index;
- int i;
-
- period_table = asc_dvc->sdtr_period_tbl;
- max_index = (int)asc_dvc->max_sdtr_index;
- min_index = (int)asc_dvc->host_init_sdtr_index;
- if ((syn_time <= period_table[max_index])) {
- for (i = min_index; i < (max_index - 1); i++) {
- if (syn_time <= period_table[i]) {
- return ((uchar)i);
- }
- }
- return ((uchar)max_index);
- } else {
- return ((uchar)(max_index + 1));
- }
-}
-
-static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
-{
- ushort q_addr;
- uchar next_qp;
- uchar q_status;
-
- q_addr = ASC_QNO_TO_QADDR(free_q_head);
- q_status = (uchar)AscReadLramByte(iop_base,
- (ushort)(q_addr +
- ASC_SCSIQ_B_STATUS));
- next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
- if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END)) {
- return (next_qp);
- }
- return (ASC_QLINK_END);
-}
-
-static uchar
-AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
-{
- uchar i;
-
- for (i = 0; i < n_free_q; i++) {
- if ((free_q_head = AscAllocFreeQueue(iop_base, free_q_head))
- == ASC_QLINK_END) {
- return (ASC_QLINK_END);
- }
- }
- return (free_q_head);
-}
-
-static int AscHostReqRiscHalt(PortAddr iop_base)
-{
- int count = 0;
- int sta = 0;
- uchar saved_stop_code;
-
- if (AscIsChipHalted(iop_base))
- return (1);
- saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
- ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
- do {
- if (AscIsChipHalted(iop_base)) {
- sta = 1;
- break;
- }
- DvcSleepMilliSecond(100);
- } while (count++ < 20);
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
- return (sta);
-}
-
-static int AscStopQueueExe(PortAddr iop_base)
-{
- int count = 0;
-
- if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) {
- AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
- ASC_STOP_REQ_RISC_STOP);
- do {
- if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) &
- ASC_STOP_ACK_RISC_STOP) {
- return (1);
- }
- DvcSleepMilliSecond(100);
- } while (count++ < 20);
- }
- return (0);
-}
-
-static void DvcDelayMicroSecond(ADV_DVC_VAR *asc_dvc, ushort micro_sec)
-{
- udelay(micro_sec);
-}
-
-static void DvcDelayNanoSecond(ASC_DVC_VAR *asc_dvc, ASC_DCNT nano_sec)
-{
- udelay((nano_sec + 999) / 1000);
-}
-
-static int AscStartChip(PortAddr iop_base)
-{
- AscSetChipControl(iop_base, 0);
- if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
- return (0);
- }
- return (1);
-}
-
-static int AscStopChip(PortAddr iop_base)
-{
- uchar cc_val;
-
- cc_val =
- AscGetChipControl(iop_base) &
- (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
- AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
- AscSetChipIH(iop_base, INS_HALT);
- AscSetChipIH(iop_base, INS_RFLAG_WTM);
- if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
- return (0);
- }
- return (1);
-}
-
-static int AscIsChipHalted(PortAddr iop_base)
-{
- if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
- if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
- return (1);
- }
- }
- return (0);
-}
-
-static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
-{
- AscSetBank(iop_base, 1);
- AscWriteChipIH(iop_base, ins_code);
- AscSetBank(iop_base, 0);
- return;
-}
-
-static void AscAckInterrupt(PortAddr iop_base)
-{
- uchar host_flag;
- uchar risc_flag;
- ushort loop;
-
- loop = 0;
- do {
- risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
- if (loop++ > 0x7FFF) {
- break;
- }
- } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
- host_flag =
- AscReadLramByte(iop_base,
- ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
- (uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
- AscSetChipStatus(iop_base, CIW_INT_ACK);
- loop = 0;
- while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
- AscSetChipStatus(iop_base, CIW_INT_ACK);
- if (loop++ > 3) {
- break;
- }
- }
- AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
- return;
-}
-
-static void AscDisableInterrupt(PortAddr iop_base)
-{
- ushort cfg;
-
- cfg = AscGetChipCfgLsw(iop_base);
- AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
- return;
-}
-
-static void AscEnableInterrupt(PortAddr iop_base)
-{
- ushort cfg;
-
- cfg = AscGetChipCfgLsw(iop_base);
- AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
- return;
-}
-
-static void AscSetBank(PortAddr iop_base, uchar bank)
-{
- uchar val;
-
- val = AscGetChipControl(iop_base) &
- (~
- (CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
- CC_CHIP_RESET));
- if (bank == 1) {
- val |= CC_BANK_ONE;
- } else if (bank == 2) {
- val |= CC_DIAG | CC_BANK_ONE;
- } else {
- val &= ~CC_BANK_ONE;
- }
- AscSetChipControl(iop_base, val);
- return;
-}
-
-static int AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
-{
- PortAddr iop_base;
- int i = 10;
-
- iop_base = asc_dvc->iop_base;
- while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
- && (i-- > 0)) {
- DvcSleepMilliSecond(100);
- }
- AscStopChip(iop_base);
- AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
- DvcDelayNanoSecond(asc_dvc, 60000);
- AscSetChipIH(iop_base, INS_RFLAG_WTM);
- AscSetChipIH(iop_base, INS_HALT);
- AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
- AscSetChipControl(iop_base, CC_HALT);
- DvcSleepMilliSecond(200);
- AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
- AscSetChipStatus(iop_base, 0);
- return (AscIsChipHalted(iop_base));
-}
-
-static ASC_DCNT __devinit AscGetMaxDmaCount(ushort bus_type)
-{
- if (bus_type & ASC_IS_ISA)
- return (ASC_MAX_ISA_DMA_COUNT);
- else if (bus_type & (ASC_IS_EISA | ASC_IS_VL))
- return (ASC_MAX_VL_DMA_COUNT);
- return (ASC_MAX_PCI_DMA_COUNT);
-}
-
-#ifdef CONFIG_ISA
-static ushort __devinit AscGetIsaDmaChannel(PortAddr iop_base)
-{
- ushort channel;
-
- channel = AscGetChipCfgLsw(iop_base) & 0x0003;
- if (channel == 0x03)
- return (0);
- else if (channel == 0x00)
- return (7);
- return (channel + 4);
-}
-
-static ushort __devinit AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel)
-{
- ushort cfg_lsw;
- uchar value;
-
- if ((dma_channel >= 5) && (dma_channel <= 7)) {
- if (dma_channel == 7)
- value = 0x00;
- else
- value = dma_channel - 4;
- cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC;
- cfg_lsw |= value;
- AscSetChipCfgLsw(iop_base, cfg_lsw);
- return (AscGetIsaDmaChannel(iop_base));
- }
- return (0);
-}
-
-static uchar __devinit AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value)
-{
- speed_value &= 0x07;
- AscSetBank(iop_base, 1);
- AscWriteChipDmaSpeed(iop_base, speed_value);
- AscSetBank(iop_base, 0);
- return (AscGetIsaDmaSpeed(iop_base));
-}
-
-static uchar __devinit AscGetIsaDmaSpeed(PortAddr iop_base)
-{
- uchar speed_value;
-
- AscSetBank(iop_base, 1);
- speed_value = AscReadChipDmaSpeed(iop_base);
- speed_value &= 0x07;
- AscSetBank(iop_base, 0);
- return (speed_value);
-}
-#endif /* CONFIG_ISA */
-
-static int __devinit AscInitGetConfig(asc_board_t *boardp)
-{
- ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
- unsigned short warn_code = 0;
-
- asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG;
- if (asc_dvc->err_code != 0)
- return asc_dvc->err_code;
-
- if (AscFindSignature(asc_dvc->iop_base)) {
- warn_code |= AscInitAscDvcVar(asc_dvc);
- warn_code |= AscInitFromEEP(asc_dvc);
- asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG;
- if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT)
- asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT;
- } else {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- }
-
- switch (warn_code) {
- case 0: /* No error */
- break;
- case ASC_WARN_IO_PORT_ROTATE:
- ASC_PRINT1("AscInitGetConfig: board %d: I/O port address "
- "modified\n", boardp->id);
- break;
- case ASC_WARN_AUTO_CONFIG:
- ASC_PRINT1("AscInitGetConfig: board %d: I/O port increment "
- "switch enabled\n", boardp->id);
- break;
- case ASC_WARN_EEPROM_CHKSUM:
- ASC_PRINT1("AscInitGetConfig: board %d: EEPROM checksum "
- "error\n", boardp->id);
- break;
- case ASC_WARN_IRQ_MODIFIED:
- ASC_PRINT1("AscInitGetConfig: board %d: IRQ modified\n",
- boardp->id);
- break;
- case ASC_WARN_CMD_QNG_CONFLICT:
- ASC_PRINT1("AscInitGetConfig: board %d: tag queuing enabled "
- "w/o disconnects\n", boardp->id);
- break;
- default:
- ASC_PRINT2("AscInitGetConfig: board %d: unknown warning: "
- "0x%x\n", boardp->id, warn_code);
- break;
- }
-
- if (asc_dvc->err_code != 0) {
- ASC_PRINT3("AscInitGetConfig: board %d error: init_state 0x%x, "
- "err_code 0x%x\n", boardp->id, asc_dvc->init_state,
- asc_dvc->err_code);
- }
-
- return asc_dvc->err_code;
-}
-
-static int __devinit AscInitSetConfig(struct pci_dev *pdev, asc_board_t *boardp)
-{
- ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
- PortAddr iop_base = asc_dvc->iop_base;
- unsigned short cfg_msw;
- unsigned short warn_code = 0;
-
- asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG;
- if (asc_dvc->err_code != 0)
- return asc_dvc->err_code;
- if (!AscFindSignature(asc_dvc->iop_base)) {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- return asc_dvc->err_code;
- }
-
- cfg_msw = AscGetChipCfgMsw(iop_base);
- if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
- cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
- warn_code |= ASC_WARN_CFG_MSW_RECOVER;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- }
- if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) !=
- asc_dvc->cfg->cmd_qng_enabled) {
- asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled;
- warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
- }
- if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
- warn_code |= ASC_WARN_AUTO_CONFIG;
- }
- if ((asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL)) != 0) {
- if (AscSetChipIRQ(iop_base, asc_dvc->irq_no, asc_dvc->bus_type)
- != asc_dvc->irq_no) {
- asc_dvc->err_code |= ASC_IERR_SET_IRQ_NO;
- }
- }
-#ifdef CONFIG_PCI
- if (asc_dvc->bus_type & ASC_IS_PCI) {
- cfg_msw &= 0xFFC0;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
- } else {
- if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
- (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
- asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
- asc_dvc->bug_fix_cntl |=
- ASC_BUG_FIX_ASYN_USE_SYN;
- }
- }
- } else
-#endif /* CONFIG_PCI */
- if (asc_dvc->bus_type == ASC_IS_ISAPNP) {
- if (AscGetChipVersion(iop_base, asc_dvc->bus_type)
- == ASC_CHIP_VER_ASYN_BUG) {
- asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
- }
- }
- if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) !=
- asc_dvc->cfg->chip_scsi_id) {
- asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID;
- }
-#ifdef CONFIG_ISA
- if (asc_dvc->bus_type & ASC_IS_ISA) {
- AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel);
- AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed);
- }
-#endif /* CONFIG_ISA */
-
- asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG;
-
- switch (warn_code) {
- case 0: /* No error. */
- break;
- case ASC_WARN_IO_PORT_ROTATE:
- ASC_PRINT1("AscInitSetConfig: board %d: I/O port address "
- "modified\n", boardp->id);
- break;
- case ASC_WARN_AUTO_CONFIG:
- ASC_PRINT1("AscInitSetConfig: board %d: I/O port increment "
- "switch enabled\n", boardp->id);
- break;
- case ASC_WARN_EEPROM_CHKSUM:
- ASC_PRINT1("AscInitSetConfig: board %d: EEPROM checksum "
- "error\n", boardp->id);
- break;
- case ASC_WARN_IRQ_MODIFIED:
- ASC_PRINT1("AscInitSetConfig: board %d: IRQ modified\n",
- boardp->id);
- break;
- case ASC_WARN_CMD_QNG_CONFLICT:
- ASC_PRINT1("AscInitSetConfig: board %d: tag queuing w/o "
- "disconnects\n",
- boardp->id);
- break;
- default:
- ASC_PRINT2("AscInitSetConfig: board %d: unknown warning: "
- "0x%x\n", boardp->id, warn_code);
- break;
- }
-
- if (asc_dvc->err_code != 0) {
- ASC_PRINT3("AscInitSetConfig: board %d error: init_state 0x%x, "
- "err_code 0x%x\n", boardp->id, asc_dvc->init_state,
- asc_dvc->err_code);
- }
-
- return asc_dvc->err_code;
-}
-
-static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
-{
- ushort warn_code;
- PortAddr iop_base;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
- !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
- AscResetChipAndScsiBus(asc_dvc);
- DvcSleepMilliSecond((ASC_DCNT)
- ((ushort)asc_dvc->scsi_reset_wait * 1000));
- }
- asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
- if (asc_dvc->err_code != 0)
- return (UW_ERR);
- if (!AscFindSignature(asc_dvc->iop_base)) {
- asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
- return (warn_code);
- }
- AscDisableInterrupt(iop_base);
- warn_code |= AscInitLram(asc_dvc);
- if (asc_dvc->err_code != 0)
- return (UW_ERR);
- ASC_DBG1(1, "AscInitAsc1000Driver: _asc_mcode_chksum 0x%lx\n",
- (ulong)_asc_mcode_chksum);
- if (AscLoadMicroCode(iop_base, 0, _asc_mcode_buf,
- _asc_mcode_size) != _asc_mcode_chksum) {
- asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
- return (warn_code);
- }
- warn_code |= AscInitMicroCodeVar(asc_dvc);
- asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
- AscEnableInterrupt(iop_base);
- return (warn_code);
-}
-
-static ushort __devinit AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
-{
- int i;
- PortAddr iop_base;
- ushort warn_code;
- uchar chip_version;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- asc_dvc->err_code = 0;
- if ((asc_dvc->bus_type &
- (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) {
- asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE;
- }
- AscSetChipControl(iop_base, CC_HALT);
- AscSetChipStatus(iop_base, 0);
- asc_dvc->bug_fix_cntl = 0;
- asc_dvc->pci_fix_asyn_xfer = 0;
- asc_dvc->pci_fix_asyn_xfer_always = 0;
- /* asc_dvc->init_state initalized in AscInitGetConfig(). */
- asc_dvc->sdtr_done = 0;
- asc_dvc->cur_total_qng = 0;
- asc_dvc->is_in_int = 0;
- asc_dvc->in_critical_cnt = 0;
- asc_dvc->last_q_shortage = 0;
- asc_dvc->use_tagged_qng = 0;
- asc_dvc->no_scam = 0;
- asc_dvc->unit_not_ready = 0;
- asc_dvc->queue_full_or_busy = 0;
- asc_dvc->redo_scam = 0;
- asc_dvc->res2 = 0;
- asc_dvc->host_init_sdtr_index = 0;
- asc_dvc->cfg->can_tagged_qng = 0;
- asc_dvc->cfg->cmd_qng_enabled = 0;
- asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL;
- asc_dvc->init_sdtr = 0;
- asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG;
- asc_dvc->scsi_reset_wait = 3;
- asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET;
- asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type);
- asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET;
- asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET;
- asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID;
- asc_dvc->cfg->lib_serial_no = ASC_LIB_SERIAL_NUMBER;
- asc_dvc->cfg->lib_version = (ASC_LIB_VERSION_MAJOR << 8) |
- ASC_LIB_VERSION_MINOR;
- chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type);
- asc_dvc->cfg->chip_version = chip_version;
- asc_dvc->sdtr_period_tbl[0] = SYN_XFER_NS_0;
- asc_dvc->sdtr_period_tbl[1] = SYN_XFER_NS_1;
- asc_dvc->sdtr_period_tbl[2] = SYN_XFER_NS_2;
- asc_dvc->sdtr_period_tbl[3] = SYN_XFER_NS_3;
- asc_dvc->sdtr_period_tbl[4] = SYN_XFER_NS_4;
- asc_dvc->sdtr_period_tbl[5] = SYN_XFER_NS_5;
- asc_dvc->sdtr_period_tbl[6] = SYN_XFER_NS_6;
- asc_dvc->sdtr_period_tbl[7] = SYN_XFER_NS_7;
- asc_dvc->max_sdtr_index = 7;
- if ((asc_dvc->bus_type & ASC_IS_PCI) &&
- (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) {
- asc_dvc->bus_type = ASC_IS_PCI_ULTRA;
- asc_dvc->sdtr_period_tbl[0] = SYN_ULTRA_XFER_NS_0;
- asc_dvc->sdtr_period_tbl[1] = SYN_ULTRA_XFER_NS_1;
- asc_dvc->sdtr_period_tbl[2] = SYN_ULTRA_XFER_NS_2;
- asc_dvc->sdtr_period_tbl[3] = SYN_ULTRA_XFER_NS_3;
- asc_dvc->sdtr_period_tbl[4] = SYN_ULTRA_XFER_NS_4;
- asc_dvc->sdtr_period_tbl[5] = SYN_ULTRA_XFER_NS_5;
- asc_dvc->sdtr_period_tbl[6] = SYN_ULTRA_XFER_NS_6;
- asc_dvc->sdtr_period_tbl[7] = SYN_ULTRA_XFER_NS_7;
- asc_dvc->sdtr_period_tbl[8] = SYN_ULTRA_XFER_NS_8;
- asc_dvc->sdtr_period_tbl[9] = SYN_ULTRA_XFER_NS_9;
- asc_dvc->sdtr_period_tbl[10] = SYN_ULTRA_XFER_NS_10;
- asc_dvc->sdtr_period_tbl[11] = SYN_ULTRA_XFER_NS_11;
- asc_dvc->sdtr_period_tbl[12] = SYN_ULTRA_XFER_NS_12;
- asc_dvc->sdtr_period_tbl[13] = SYN_ULTRA_XFER_NS_13;
- asc_dvc->sdtr_period_tbl[14] = SYN_ULTRA_XFER_NS_14;
- asc_dvc->sdtr_period_tbl[15] = SYN_ULTRA_XFER_NS_15;
- asc_dvc->max_sdtr_index = 15;
- if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) {
- AscSetExtraControl(iop_base,
- (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
- } else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) {
- AscSetExtraControl(iop_base,
- (SEC_ACTIVE_NEGATE |
- SEC_ENABLE_FILTER));
- }
- }
- if (asc_dvc->bus_type == ASC_IS_PCI) {
- AscSetExtraControl(iop_base,
- (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
- }
-
- asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
-#ifdef CONFIG_ISA
- if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
- if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
- AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
- asc_dvc->bus_type = ASC_IS_ISAPNP;
- }
- asc_dvc->cfg->isa_dma_channel =
- (uchar)AscGetIsaDmaChannel(iop_base);
- }
-#endif /* CONFIG_ISA */
- for (i = 0; i <= ASC_MAX_TID; i++) {
- asc_dvc->cur_dvc_qng[i] = 0;
- asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
- asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L;
- asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L;
- asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG;
- }
- return (warn_code);
-}
-
-static ushort __devinit AscInitFromEEP(ASC_DVC_VAR *asc_dvc)
-{
- ASCEEP_CONFIG eep_config_buf;
- ASCEEP_CONFIG *eep_config;
- PortAddr iop_base;
- ushort chksum;
- ushort warn_code;
- ushort cfg_msw, cfg_lsw;
- int i;
- int write_eep = 0;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE);
- AscStopQueueExe(iop_base);
- if ((AscStopChip(iop_base) == FALSE) ||
- (AscGetChipScsiCtrl(iop_base) != 0)) {
- asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE;
- AscResetChipAndScsiBus(asc_dvc);
- DvcSleepMilliSecond((ASC_DCNT)
- ((ushort)asc_dvc->scsi_reset_wait * 1000));
- }
- if (AscIsChipHalted(iop_base) == FALSE) {
- asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
- return (warn_code);
- }
- AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
- if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
- asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
- return (warn_code);
- }
- eep_config = (ASCEEP_CONFIG *)&eep_config_buf;
- cfg_msw = AscGetChipCfgMsw(iop_base);
- cfg_lsw = AscGetChipCfgLsw(iop_base);
- if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
- cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
- warn_code |= ASC_WARN_CFG_MSW_RECOVER;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- }
- chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type);
- ASC_DBG1(1, "AscInitFromEEP: chksum 0x%x\n", chksum);
- if (chksum == 0) {
- chksum = 0xaa55;
- }
- if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
- warn_code |= ASC_WARN_AUTO_CONFIG;
- if (asc_dvc->cfg->chip_version == 3) {
- if (eep_config->cfg_lsw != cfg_lsw) {
- warn_code |= ASC_WARN_EEPROM_RECOVER;
- eep_config->cfg_lsw =
- AscGetChipCfgLsw(iop_base);
- }
- if (eep_config->cfg_msw != cfg_msw) {
- warn_code |= ASC_WARN_EEPROM_RECOVER;
- eep_config->cfg_msw =
- AscGetChipCfgMsw(iop_base);
- }
- }
- }
- eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
- eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON;
- ASC_DBG1(1, "AscInitFromEEP: eep_config->chksum 0x%x\n",
- eep_config->chksum);
- if (chksum != eep_config->chksum) {
- if (AscGetChipVersion(iop_base, asc_dvc->bus_type) ==
- ASC_CHIP_VER_PCI_ULTRA_3050) {
- ASC_DBG(1,
- "AscInitFromEEP: chksum error ignored; EEPROM-less board\n");
- eep_config->init_sdtr = 0xFF;
- eep_config->disc_enable = 0xFF;
- eep_config->start_motor = 0xFF;
- eep_config->use_cmd_qng = 0;
- eep_config->max_total_qng = 0xF0;
- eep_config->max_tag_qng = 0x20;
- eep_config->cntl = 0xBFFF;
- ASC_EEP_SET_CHIP_ID(eep_config, 7);
- eep_config->no_scam = 0;
- eep_config->adapter_info[0] = 0;
- eep_config->adapter_info[1] = 0;
- eep_config->adapter_info[2] = 0;
- eep_config->adapter_info[3] = 0;
- eep_config->adapter_info[4] = 0;
- /* Indicate EEPROM-less board. */
- eep_config->adapter_info[5] = 0xBB;
- } else {
- ASC_PRINT
- ("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n");
- write_eep = 1;
- warn_code |= ASC_WARN_EEPROM_CHKSUM;
- }
- }
- asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr;
- asc_dvc->cfg->disc_enable = eep_config->disc_enable;
- asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng;
- asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config);
- asc_dvc->start_motor = eep_config->start_motor;
- asc_dvc->dvc_cntl = eep_config->cntl;
- asc_dvc->no_scam = eep_config->no_scam;
- asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0];
- asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1];
- asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2];
- asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3];
- asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4];
- asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5];
- if (!AscTestExternalLram(asc_dvc)) {
- if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) ==
- ASC_IS_PCI_ULTRA)) {
- eep_config->max_total_qng =
- ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG;
- eep_config->max_tag_qng =
- ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG;
- } else {
- eep_config->cfg_msw |= 0x0800;
- cfg_msw |= 0x0800;
- AscSetChipCfgMsw(iop_base, cfg_msw);
- eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG;
- eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG;
- }
- } else {
- }
- if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) {
- eep_config->max_total_qng = ASC_MIN_TOTAL_QNG;
- }
- if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) {
- eep_config->max_total_qng = ASC_MAX_TOTAL_QNG;
- }
- if (eep_config->max_tag_qng > eep_config->max_total_qng) {
- eep_config->max_tag_qng = eep_config->max_total_qng;
- }
- if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) {
- eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC;
- }
- asc_dvc->max_total_qng = eep_config->max_total_qng;
- if ((eep_config->use_cmd_qng & eep_config->disc_enable) !=
- eep_config->use_cmd_qng) {
- eep_config->disc_enable = eep_config->use_cmd_qng;
- warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
- }
- if (asc_dvc->bus_type & (ASC_IS_ISA | ASC_IS_VL | ASC_IS_EISA)) {
- asc_dvc->irq_no = AscGetChipIRQ(iop_base, asc_dvc->bus_type);
- }
- ASC_EEP_SET_CHIP_ID(eep_config,
- ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID);
- asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config);
- if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) &&
- !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) {
- asc_dvc->host_init_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX;
- }
-
- for (i = 0; i <= ASC_MAX_TID; i++) {
- asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i];
- asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng;
- asc_dvc->cfg->sdtr_period_offset[i] =
- (uchar)(ASC_DEF_SDTR_OFFSET |
- (asc_dvc->host_init_sdtr_index << 4));
- }
- eep_config->cfg_msw = AscGetChipCfgMsw(iop_base);
- if (write_eep) {
- if ((i =
- AscSetEEPConfig(iop_base, eep_config,
- asc_dvc->bus_type)) != 0) {
- ASC_PRINT1
- ("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n",
- i);
- } else {
- ASC_PRINT
- ("AscInitFromEEP: Successfully re-wrote EEPROM.\n");
- }
- }
- return (warn_code);
-}
-
-static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
-{
- int i;
- ushort warn_code;
- PortAddr iop_base;
- ASC_PADDR phy_addr;
- ASC_DCNT phy_size;
-
- iop_base = asc_dvc->iop_base;
- warn_code = 0;
- for (i = 0; i <= ASC_MAX_TID; i++) {
- AscPutMCodeInitSDTRAtID(iop_base, i,
- asc_dvc->cfg->sdtr_period_offset[i]
- );
- }
-
- AscInitQLinkVar(asc_dvc);
- AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
- asc_dvc->cfg->disc_enable);
- AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
- ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));
-
- /* Align overrun buffer on an 8 byte boundary. */
- phy_addr = virt_to_bus(asc_dvc->cfg->overrun_buf);
- phy_addr = cpu_to_le32((phy_addr + 7) & ~0x7);
- AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
- (uchar *)&phy_addr, 1);
- phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE - 8);
- AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
- (uchar *)&phy_size, 1);
-
- asc_dvc->cfg->mcode_date =
- AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
- asc_dvc->cfg->mcode_version =
- AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);
-
- AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
- if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
- asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
- return (warn_code);
- }
- if (AscStartChip(iop_base) != 1) {
- asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
- return (warn_code);
- }
-
- return (warn_code);
-}
-
-static int __devinit AscTestExternalLram(ASC_DVC_VAR *asc_dvc)
-{
- PortAddr iop_base;
- ushort q_addr;
- ushort saved_word;
- int sta;
-
- iop_base = asc_dvc->iop_base;
- sta = 0;
- q_addr = ASC_QNO_TO_QADDR(241);
- saved_word = AscReadLramWord(iop_base, q_addr);
- AscSetChipLramAddr(iop_base, q_addr);
- AscSetChipLramData(iop_base, 0x55AA);
- DvcSleepMilliSecond(10);
- AscSetChipLramAddr(iop_base, q_addr);
- if (AscGetChipLramData(iop_base) == 0x55AA) {
- sta = 1;
- AscWriteLramWord(iop_base, q_addr, saved_word);
- }
- return (sta);
-}
-
-static int __devinit AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg)
-{
- uchar read_back;
- int retry;
-
- retry = 0;
- while (TRUE) {
- AscSetChipEEPCmd(iop_base, cmd_reg);
- DvcSleepMilliSecond(1);
- read_back = AscGetChipEEPCmd(iop_base);
- if (read_back == cmd_reg) {
- return (1);
- }
- if (retry++ > ASC_EEP_MAX_RETRY) {
- return (0);
- }
- }
-}
-
-static int __devinit AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg)
-{
- ushort read_back;
- int retry;
-
- retry = 0;
- while (TRUE) {
- AscSetChipEEPData(iop_base, data_reg);
- DvcSleepMilliSecond(1);
- read_back = AscGetChipEEPData(iop_base);
- if (read_back == data_reg) {
- return (1);
- }
- if (retry++ > ASC_EEP_MAX_RETRY) {
- return (0);
- }
- }
-}
-
-static void __devinit AscWaitEEPRead(void)
-{
- DvcSleepMilliSecond(1);
- return;
-}
-
-static void __devinit AscWaitEEPWrite(void)
-{
- DvcSleepMilliSecond(20);
- return;
-}
-
-static ushort __devinit AscReadEEPWord(PortAddr iop_base, uchar addr)
-{
- ushort read_wval;
- uchar cmd_reg;
-
- AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
- AscWaitEEPRead();
- cmd_reg = addr | ASC_EEP_CMD_READ;
- AscWriteEEPCmdReg(iop_base, cmd_reg);
- AscWaitEEPRead();
- read_wval = AscGetChipEEPData(iop_base);
- AscWaitEEPRead();
- return (read_wval);
-}
-
-static ushort __devinit
-AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val)
-{
- ushort read_wval;
-
- read_wval = AscReadEEPWord(iop_base, addr);
- if (read_wval != word_val) {
- AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE);
- AscWaitEEPRead();
- AscWriteEEPDataReg(iop_base, word_val);
- AscWaitEEPRead();
- AscWriteEEPCmdReg(iop_base,
- (uchar)((uchar)ASC_EEP_CMD_WRITE | addr));
- AscWaitEEPWrite();
- AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
- AscWaitEEPRead();
- return (AscReadEEPWord(iop_base, addr));
- }
- return (read_wval);
-}
-
-static ushort __devinit
-AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
-{
- ushort wval;
- ushort sum;
- ushort *wbuf;
- int cfg_beg;
- int cfg_end;
- int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
- int s_addr;
-
- wbuf = (ushort *)cfg_buf;
- sum = 0;
- /* Read two config words; Byte-swapping done by AscReadEEPWord(). */
- for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
- *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
- sum += *wbuf;
- }
- if (bus_type & ASC_IS_VL) {
- cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
- cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
- } else {
- cfg_beg = ASC_EEP_DVC_CFG_BEG;
- cfg_end = ASC_EEP_MAX_DVC_ADDR;
- }
- for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
- wval = AscReadEEPWord(iop_base, (uchar)s_addr);
- if (s_addr <= uchar_end_in_config) {
- /*
- * Swap all char fields - must unswap bytes already swapped
- * by AscReadEEPWord().
- */
- *wbuf = le16_to_cpu(wval);
- } else {
- /* Don't swap word field at the end - cntl field. */
- *wbuf = wval;
- }
- sum += wval; /* Checksum treats all EEPROM data as words. */
- }
- /*
- * Read the checksum word which will be compared against 'sum'
- * by the caller. Word field already swapped.
- */
- *wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
- return (sum);
-}
-
-static int __devinit
-AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
-{
- int n_error;
- ushort *wbuf;
- ushort word;
- ushort sum;
- int s_addr;
- int cfg_beg;
- int cfg_end;
- int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
-
- wbuf = (ushort *)cfg_buf;
- n_error = 0;
- sum = 0;
- /* Write two config words; AscWriteEEPWord() will swap bytes. */
- for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
- sum += *wbuf;
- if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
- n_error++;
- }
- }
- if (bus_type & ASC_IS_VL) {
- cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
- cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
- } else {
- cfg_beg = ASC_EEP_DVC_CFG_BEG;
- cfg_end = ASC_EEP_MAX_DVC_ADDR;
- }
- for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
- if (s_addr <= uchar_end_in_config) {
- /*
- * This is a char field. Swap char fields before they are
- * swapped again by AscWriteEEPWord().
- */
- word = cpu_to_le16(*wbuf);
- if (word !=
- AscWriteEEPWord(iop_base, (uchar)s_addr, word)) {
- n_error++;
- }
- } else {
- /* Don't swap word field at the end - cntl field. */
- if (*wbuf !=
- AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
- n_error++;
- }
- }
- sum += *wbuf; /* Checksum calculated from word values. */
- }
- /* Write checksum word. It will be swapped by AscWriteEEPWord(). */
- *wbuf = sum;
- if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) {
- n_error++;
- }
-
- /* Read EEPROM back again. */
- wbuf = (ushort *)cfg_buf;
- /*
- * Read two config words; Byte-swapping done by AscReadEEPWord().
- */
- for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
- if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) {
- n_error++;
- }
- }
- if (bus_type & ASC_IS_VL) {
- cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
- cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
- } else {
- cfg_beg = ASC_EEP_DVC_CFG_BEG;
- cfg_end = ASC_EEP_MAX_DVC_ADDR;
- }
- for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
- if (s_addr <= uchar_end_in_config) {
- /*
- * Swap all char fields. Must unswap bytes already swapped
- * by AscReadEEPWord().
- */
- word =
- le16_to_cpu(AscReadEEPWord
- (iop_base, (uchar)s_addr));
- } else {
- /* Don't swap word field at the end - cntl field. */
- word = AscReadEEPWord(iop_base, (uchar)s_addr);
- }
- if (*wbuf != word) {
- n_error++;
- }
- }
- /* Read checksum; Byte swapping not needed. */
- if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) {
- n_error++;
- }
- return (n_error);
-}
-
-static int __devinit
-AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf, ushort bus_type)
-{
- int retry;
- int n_error;
-
- retry = 0;
- while (TRUE) {
- if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf,
- bus_type)) == 0) {
- break;
- }
- if (++retry > ASC_EEP_MAX_RETRY) {
- break;
- }
- }
- return (n_error);
-}
-
-static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
-{
- char type = sdev->type;
- ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;
-
- if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN) {
- if (!(asc_dvc->init_sdtr & tid_bits)) {
- if ((type == TYPE_ROM) &&
- (strncmp(sdev->vendor, "HP ", 3) == 0)) {
- asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;
- }
- asc_dvc->pci_fix_asyn_xfer |= tid_bits;
- if ((type == TYPE_PROCESSOR) ||
- (type == TYPE_SCANNER) || (type == TYPE_ROM) ||
- (type == TYPE_TAPE)) {
- asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;
- }
-
- if (asc_dvc->pci_fix_asyn_xfer & tid_bits) {
- AscSetRunChipSynRegAtID(asc_dvc->iop_base,
- sdev->id,
- ASYN_SDTR_DATA_FIX_PCI_REV_AB);
- }
- }
- }
-}
-
-static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
-{
- uchar byte_data;
- ushort word_data;
-
- if (isodd_word(addr)) {
- AscSetChipLramAddr(iop_base, addr - 1);
- word_data = AscGetChipLramData(iop_base);
- byte_data = (uchar)((word_data >> 8) & 0xFF);
- } else {
- AscSetChipLramAddr(iop_base, addr);
- word_data = AscGetChipLramData(iop_base);
- byte_data = (uchar)(word_data & 0xFF);
- }
- return (byte_data);
-}
-
-static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
-{
- ushort word_data;
-
- AscSetChipLramAddr(iop_base, addr);
- word_data = AscGetChipLramData(iop_base);
- return (word_data);
-}
-
-#if CC_VERY_LONG_SG_LIST
-static ASC_DCNT AscReadLramDWord(PortAddr iop_base, ushort addr)
-{
- ushort val_low, val_high;
- ASC_DCNT dword_data;
-
- AscSetChipLramAddr(iop_base, addr);
- val_low = AscGetChipLramData(iop_base);
- val_high = AscGetChipLramData(iop_base);
- dword_data = ((ASC_DCNT) val_high << 16) | (ASC_DCNT) val_low;
- return (dword_data);
-}
-#endif /* CC_VERY_LONG_SG_LIST */
-
-static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
-{
- AscSetChipLramAddr(iop_base, addr);
- AscSetChipLramData(iop_base, word_val);
- return;
-}
-
-static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
-{
- ushort word_data;
-
- if (isodd_word(addr)) {
- addr--;
- word_data = AscReadLramWord(iop_base, addr);
- word_data &= 0x00FF;
- word_data |= (((ushort)byte_val << 8) & 0xFF00);
- } else {
- word_data = AscReadLramWord(iop_base, addr);
- word_data &= 0xFF00;
- word_data |= ((ushort)byte_val & 0x00FF);
- }
- AscWriteLramWord(iop_base, addr, word_data);
- return;
-}
-
-/*
- * Copy 2 bytes to LRAM.
- *
- * The source data is assumed to be in little-endian order in memory
- * and is maintained in little-endian order when written to LRAM.
- */
-static void
-AscMemWordCopyPtrToLram(PortAddr iop_base,
- ushort s_addr, uchar *s_buffer, int words)
-{
- int i;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- /*
- * On a little-endian system the second argument below
- * produces a little-endian ushort which is written to
- * LRAM in little-endian order. On a big-endian system
- * the second argument produces a big-endian ushort which
- * is "transparently" byte-swapped by outpw() and written
- * in little-endian order to LRAM.
- */
- outpw(iop_base + IOP_RAM_DATA,
- ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
- }
- return;
-}
-
-/*
- * Copy 4 bytes to LRAM.
- *
- * The source data is assumed to be in little-endian order in memory
- * and is maintained in little-endian order when writen to LRAM.
- */
-static void
-AscMemDWordCopyPtrToLram(PortAddr iop_base,
- ushort s_addr, uchar *s_buffer, int dwords)
-{
- int i;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 4 * dwords; i += 4) {
- outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]); /* LSW */
- outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]); /* MSW */
- }
- return;
-}
-
-/*
- * Copy 2 bytes from LRAM.
- *
- * The source data is assumed to be in little-endian order in LRAM
- * and is maintained in little-endian order when written to memory.
- */
-static void
-AscMemWordCopyPtrFromLram(PortAddr iop_base,
- ushort s_addr, uchar *d_buffer, int words)
-{
- int i;
- ushort word;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < 2 * words; i += 2) {
- word = inpw(iop_base + IOP_RAM_DATA);
- d_buffer[i] = word & 0xff;
- d_buffer[i + 1] = (word >> 8) & 0xff;
- }
- return;
-}
-
-static ASC_DCNT AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
-{
- ASC_DCNT sum;
- int i;
-
- sum = 0L;
- for (i = 0; i < words; i++, s_addr += 2) {
- sum += AscReadLramWord(iop_base, s_addr);
- }
- return (sum);
-}
-
-static void
-AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
-{
- int i;
-
- AscSetChipLramAddr(iop_base, s_addr);
- for (i = 0; i < words; i++) {
- AscSetChipLramData(iop_base, set_wval);
- }
- return;
-}
-
-/*
- * --- Adv Library Functions
- */
-
-/* a_mcode.h */