diff options
Diffstat (limited to 'drivers/ata/libata-sff.c')
-rw-r--r-- | drivers/ata/libata-sff.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 142120cab874..8af18ad1ca7f 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c | |||
@@ -533,101 +533,6 @@ static int ata_resources_present(struct pci_dev *pdev, int port) | |||
533 | } | 533 | } |
534 | 534 | ||
535 | /** | 535 | /** |
536 | * ata_pci_init_native_mode - Initialize native-mode driver | ||
537 | * @pdev: pci device to be initialized | ||
538 | * @port: array[2] of pointers to port info structures. | ||
539 | * @ports: bitmap of ports present | ||
540 | * | ||
541 | * Utility function which allocates and initializes an | ||
542 | * ata_probe_ent structure for a standard dual-port | ||
543 | * PIO-based IDE controller. The returned ata_probe_ent | ||
544 | * structure can be passed to ata_device_add(). The returned | ||
545 | * ata_probe_ent structure should then be freed with kfree(). | ||
546 | * | ||
547 | * The caller need only pass the address of the primary port, the | ||
548 | * secondary will be deduced automatically. If the device has non | ||
549 | * standard secondary port mappings this function can be called twice, | ||
550 | * once for each interface. | ||
551 | */ | ||
552 | |||
553 | struct ata_probe_ent * | ||
554 | ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int ports) | ||
555 | { | ||
556 | struct ata_probe_ent *probe_ent; | ||
557 | int i; | ||
558 | void __iomem * const *iomap; | ||
559 | |||
560 | /* Discard disabled ports. Some controllers show their unused | ||
561 | * channels this way. Disabled ports will be made dummy. | ||
562 | */ | ||
563 | if (ata_resources_present(pdev, 0) == 0) | ||
564 | ports &= ~ATA_PORT_PRIMARY; | ||
565 | if (ata_resources_present(pdev, 1) == 0) | ||
566 | ports &= ~ATA_PORT_SECONDARY; | ||
567 | |||
568 | if (!ports) { | ||
569 | dev_printk(KERN_ERR, &pdev->dev, "no available port\n"); | ||
570 | return NULL; | ||
571 | } | ||
572 | |||
573 | /* iomap BARs */ | ||
574 | for (i = 0; i < 4; i++) { | ||
575 | if (!(ports & (1 << (i / 2)))) | ||
576 | continue; | ||
577 | if (pcim_iomap(pdev, i, 0) == NULL) { | ||
578 | dev_printk(KERN_ERR, &pdev->dev, | ||
579 | "failed to iomap PCI BAR %d\n", i); | ||
580 | return NULL; | ||
581 | } | ||
582 | } | ||
583 | |||
584 | pcim_iomap(pdev, 4, 0); /* may fail */ | ||
585 | iomap = pcim_iomap_table(pdev); | ||
586 | |||
587 | /* alloc and init probe_ent */ | ||
588 | probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]); | ||
589 | if (!probe_ent) | ||
590 | return NULL; | ||
591 | |||
592 | probe_ent->n_ports = 2; | ||
593 | probe_ent->irq = pdev->irq; | ||
594 | probe_ent->irq_flags = IRQF_SHARED; | ||
595 | |||
596 | if (ports & ATA_PORT_PRIMARY) { | ||
597 | probe_ent->port[0].cmd_addr = iomap[0]; | ||
598 | probe_ent->port[0].altstatus_addr = | ||
599 | probe_ent->port[0].ctl_addr = (void __iomem *) | ||
600 | ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS); | ||
601 | if (iomap[4]) { | ||
602 | if ((!(port[0]->flags & ATA_FLAG_IGN_SIMPLEX)) && | ||
603 | (ioread8(iomap[4] + 2) & 0x80)) | ||
604 | probe_ent->_host_flags |= ATA_HOST_SIMPLEX; | ||
605 | probe_ent->port[0].bmdma_addr = iomap[4]; | ||
606 | } | ||
607 | ata_std_ports(&probe_ent->port[0]); | ||
608 | } else | ||
609 | probe_ent->dummy_port_mask |= ATA_PORT_PRIMARY; | ||
610 | |||
611 | if (ports & ATA_PORT_SECONDARY) { | ||
612 | probe_ent->port[1].cmd_addr = iomap[2]; | ||
613 | probe_ent->port[1].altstatus_addr = | ||
614 | probe_ent->port[1].ctl_addr = (void __iomem *) | ||
615 | ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS); | ||
616 | if (iomap[4]) { | ||
617 | if ((!(port[1]->flags & ATA_FLAG_IGN_SIMPLEX)) && | ||
618 | (ioread8(iomap[4] + 10) & 0x80)) | ||
619 | probe_ent->_host_flags |= ATA_HOST_SIMPLEX; | ||
620 | probe_ent->port[1].bmdma_addr = iomap[4] + 8; | ||
621 | } | ||
622 | ata_std_ports(&probe_ent->port[1]); | ||
623 | probe_ent->pinfo2 = port[1]; | ||
624 | } else | ||
625 | probe_ent->dummy_port_mask |= ATA_PORT_SECONDARY; | ||
626 | |||
627 | return probe_ent; | ||
628 | } | ||
629 | |||
630 | /** | ||
631 | * ata_pci_init_bmdma - acquire PCI BMDMA resources and init ATA host | 536 | * ata_pci_init_bmdma - acquire PCI BMDMA resources and init ATA host |
632 | * @host: target ATA host | 537 | * @host: target ATA host |
633 | * | 538 | * |