-/* Detect all PTI Qlogic ISP's in the machine. */
-static int __init qlogicpti_detect(struct scsi_host_template *tpnt)
-{
- struct qlogicpti *qpti;
- struct Scsi_Host *qpti_host;
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
- int nqptis = 0, nqptis_in_use = 0;
-
- tpnt->proc_name = "qlogicpti";
- for_each_sbus(sbus) {
- for_each_sbusdev(sdev, sbus) {
- /* Is this a red snapper? */
- if (strcmp(sdev->prom_name, "ptisp") &&
- strcmp(sdev->prom_name, "PTI,ptisp") &&
- strcmp(sdev->prom_name, "QLGC,isp") &&
- strcmp(sdev->prom_name, "SUNW,isp"))
- continue;
-
- /* Sometimes Antares cards come up not completely
- * setup, and we get a report of a zero IRQ.
- * Skip over them in such cases so we survive.
- */
- if (sdev->irqs[0] == 0) {
- printk("qpti%d: Adapter reports no interrupt, "
- "skipping over this card.", nqptis);
- continue;
- }
-
- /* Yep, register and allocate software state. */
- qpti_host = scsi_register(tpnt, sizeof(struct qlogicpti));
- if (!qpti_host) {
- printk("QPTI: Cannot register PTI Qlogic ISP SCSI host");
- continue;
- }
- qpti = (struct qlogicpti *) qpti_host->hostdata;
-
- /* We are wide capable, 16 targets. */
- qpti_host->max_id = MAX_TARGETS;
-
- /* Setup back pointers and misc. state. */
- qpti->qhost = qpti_host;
- qpti->sdev = sdev;
- qpti->qpti_id = nqptis++;
- qpti->prom_node = sdev->prom_node;
- prom_getstring(qpti->prom_node, "name",
- qpti->prom_name,
- sizeof(qpti->prom_name));
-
- /* This is not correct, actually. There's a switch
- * on the PTI cards that put them into "emulation"
- * mode- i.e., report themselves as QLGC,isp
- * instead of PTI,ptisp. The only real substantive
- * difference between non-pti and pti cards is
- * the tmon register. Which is possibly even
- * there for Qlogic cards, but non-functional.
- */
- qpti->is_pti = (strcmp (qpti->prom_name, "QLGC,isp") != 0);
-
- qpti_chain_add(qpti);
- if (qpti_map_regs(qpti) < 0)
- goto fail_unlink;
-
- if (qpti_register_irq(qpti) < 0)
- goto fail_unmap_regs;
-
- qpti_get_scsi_id(qpti);
- qpti_get_bursts(qpti);
- qpti_get_clock(qpti);
-
- /* Clear out scsi_cmnd array. */
- memset(qpti->cmd_slots, 0, sizeof(qpti->cmd_slots));
-
- if (qpti_map_queues(qpti) < 0)
- goto fail_free_irq;
-
- /* Load the firmware. */
- if (qlogicpti_load_firmware(qpti))
- goto fail_unmap_queues;
- if (qpti->is_pti) {
- /* Check the PTI status reg. */
- if (qlogicpti_verify_tmon(qpti))
- goto fail_unmap_queues;
- }
-
- /* Reset the ISP and init res/req queues. */
- if (qlogicpti_reset_hardware(qpti_host))
- goto fail_unmap_queues;
-
- printk("(Firmware v%d.%d.%d)", qpti->fware_majrev,
- qpti->fware_minrev, qpti->fware_micrev);
- {
- char buffer[60];
-
- prom_getstring (qpti->prom_node,
- "isp-fcode", buffer, 60);
- if (buffer[0])
- printk("(Firmware %s)", buffer);
- if (prom_getbool(qpti->prom_node, "differential"))
- qpti->differential = 1;
- }
-
- printk (" [%s Wide, using %s interface]\n",
- (qpti->ultra ? "Ultra" : "Fast"),
- (qpti->differential ? "differential" : "single ended"));
-
- nqptis_in_use++;
- continue;
-
- fail_unmap_queues:
-#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
- sbus_free_consistent(qpti->sdev,
- QSIZE(RES_QUEUE_LEN),
- qpti->res_cpu, qpti->res_dvma);
- sbus_free_consistent(qpti->sdev,
- QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
- qpti->req_cpu, qpti->req_dvma);
-#undef QSIZE
- fail_free_irq:
- free_irq(qpti->irq, qpti);
-
- fail_unmap_regs:
- sbus_iounmap(qpti->qregs,
- qpti->sdev->reg_addrs[0].reg_size);
- if (qpti->is_pti)
- sbus_iounmap(qpti->sreg, sizeof(unsigned char));
- fail_unlink:
- qpti_chain_del(qpti);
- scsi_unregister(qpti->qhost);
- }
- }
- if (nqptis)
- printk("QPTI: Total of %d PTI Qlogic/ISP hosts found, %d actually in use.\n",
- nqptis, nqptis_in_use);
- qptis_running = nqptis_in_use;
- return nqptis;
-}
-
-static int qlogicpti_release(struct Scsi_Host *host)
-{
- struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata;
-
- /* Remove visibility from IRQ handlers. */
- qpti_chain_del(qpti);
-
- /* Shut up the card. */
- sbus_writew(0, qpti->qregs + SBUS_CTRL);
-
- /* Free IRQ handler and unmap Qlogic,ISP and PTI status regs. */
- free_irq(qpti->irq, qpti);
-
-#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN)
- sbus_free_consistent(qpti->sdev,
- QSIZE(RES_QUEUE_LEN),
- qpti->res_cpu, qpti->res_dvma);
- sbus_free_consistent(qpti->sdev,
- QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
- qpti->req_cpu, qpti->req_dvma);
-#undef QSIZE
-
- sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size);
- if (qpti->is_pti)
- sbus_iounmap(qpti->sreg, sizeof(unsigned char));
-
- return 0;
-}
-