Exemplo n.º 1
0
static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
    static int printed_version;
    struct ata_port_info *port_info[2];
    unsigned int combined = 0, n_ports = 1;
    unsigned int pata_chan = 0, sata_chan = 0;

    if (!printed_version++)
        printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");

    /* no hotplugging support (FIXME) */
    if (!in_module_init)
        return -ENODEV;

    port_info[0] = &piix_port_info[ent->driver_data];
    port_info[1] = NULL;

    if (port_info[0]->host_flags & PIIX_FLAG_AHCI) {
        u8 tmp;
        pci_read_config_byte(pdev, PIIX_SCC, &tmp);
        if (tmp == PIIX_AHCI_DEVICE) {
            int rc = piix_disable_ahci(pdev);
            if (rc)
                return rc;
        }
    }

    if (port_info[0]->host_flags & PIIX_FLAG_COMBINED) {
        u8 tmp;
        pci_read_config_byte(pdev, ICH5_PMR, &tmp);

        if (tmp & PIIX_COMB) {
            combined = 1;
            if (tmp & PIIX_COMB_PATA_P0)
                sata_chan = 1;
            else
                pata_chan = 1;
        }
    }

    /* On ICH5, some BIOSen disable the interrupt using the
     * PCI_COMMAND_INTX_DISABLE bit added in PCI 2.3.
     * On ICH6, this bit has the same effect, but only when
     * MSI is disabled (and it is disabled, as we don't use
     * message-signalled interrupts currently).
     */
    if (port_info[0]->host_flags & PIIX_FLAG_CHECKINTR)
        pci_enable_intx(pdev);

    if (combined) {
        port_info[sata_chan] = &piix_port_info[ent->driver_data];
        port_info[sata_chan]->host_flags |= ATA_FLAG_SLAVE_POSS;
        port_info[pata_chan] = &piix_port_info[ich5_pata];
        n_ports++;

        printk(KERN_WARNING DRV_NAME ": combined mode detected\n");
    }

    return ata_pci_init_one(pdev, port_info, n_ports);
}
Exemplo n.º 2
0
static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct ata_probe_ent *probe_ent = NULL;
	int rc;
	u32 genctl;
	struct ata_port_info *ppi;

	rc = pci_enable_device(pdev);
	if (rc)
		return rc;

	rc = pci_request_regions(pdev, DRV_NAME);
	if (rc)
		goto err_out;

	rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;
	rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;

	ppi = &sis_port_info;
	probe_ent = ata_pci_init_native_mode(pdev, &ppi);
	if (!probe_ent) {
		rc = -ENOMEM;
		goto err_out_regions;
	}

	/* check and see if the SCRs are in IO space or PCI cfg space */
	pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
	if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
		probe_ent->host_flags |= SIS_FLAG_CFGSCR;
	
	/* if hardware thinks SCRs are in IO space, but there are
	 * no IO resources assigned, change to PCI cfg space.
	 */
	if ((!(probe_ent->host_flags & SIS_FLAG_CFGSCR)) &&
	    ((pci_resource_start(pdev, SIS_SCR_PCI_BAR) == 0) ||
	     (pci_resource_len(pdev, SIS_SCR_PCI_BAR) < 128))) {
		genctl &= ~GENCTL_IOMAPPED_SCR;
		pci_write_config_dword(pdev, SIS_GENCTL, genctl);
		probe_ent->host_flags |= SIS_FLAG_CFGSCR;
	}

	if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR)) {
		probe_ent->port[0].scr_addr =
			pci_resource_start(pdev, SIS_SCR_PCI_BAR);
		probe_ent->port[1].scr_addr =
			pci_resource_start(pdev, SIS_SCR_PCI_BAR) + 64;
	}

	pci_set_master(pdev);
	pci_enable_intx(pdev);

	/* FIXME: check ata_device_add return value */
	ata_device_add(probe_ent);
	kfree(probe_ent);

	return 0;

err_out_regions:
	pci_release_regions(pdev);

err_out:
	pci_disable_device(pdev);
	return rc;

}
static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct ata_probe_ent *probe_ent = NULL;
	int rc;
	u32 genctl;

	rc = pci_enable_device(pdev);
	if (rc)
		return rc;

	rc = pci_request_regions(pdev, DRV_NAME);
	if (rc)
		goto err_out;

	rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;
	rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;

	probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
	if (!probe_ent) {
		rc = -ENOMEM;
		goto err_out_regions;
	}

	memset(probe_ent, 0, sizeof(*probe_ent));
	probe_ent->pdev = pdev;
	INIT_LIST_HEAD(&probe_ent->node);

	probe_ent->sht = &sis_sht;
	probe_ent->host_flags = ATA_FLAG_SATA | ATA_FLAG_SATA_RESET |
				ATA_FLAG_NO_LEGACY;

	/* check and see if the SCRs are in IO space or PCI cfg space */
	pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
	if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
		probe_ent->host_flags |= SIS_FLAG_CFGSCR;
	
	/* if hardware thinks SCRs are in IO space, but there are
	 * no IO resources assigned, change to PCI cfg space.
	 */
	if ((!(probe_ent->host_flags & SIS_FLAG_CFGSCR)) &&
	    ((pci_resource_start(pdev, SIS_SCR_PCI_BAR) == 0) ||
	     (pci_resource_len(pdev, SIS_SCR_PCI_BAR) < 128))) {
		genctl &= ~GENCTL_IOMAPPED_SCR;
		pci_write_config_dword(pdev, SIS_GENCTL, genctl);
		probe_ent->host_flags |= SIS_FLAG_CFGSCR;
	}

	probe_ent->pio_mask = 0x03;
	probe_ent->udma_mask = 0x7f;
	probe_ent->port_ops = &sis_ops;

	probe_ent->port[0].cmd_addr = pci_resource_start(pdev, 0);
	ata_std_ports(&probe_ent->port[0]);
	probe_ent->port[0].ctl_addr =
		pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
	probe_ent->port[0].bmdma_addr = pci_resource_start(pdev, 4);
	if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR))
		probe_ent->port[0].scr_addr =
			pci_resource_start(pdev, SIS_SCR_PCI_BAR);

	probe_ent->port[1].cmd_addr = pci_resource_start(pdev, 2);
	ata_std_ports(&probe_ent->port[1]);
	probe_ent->port[1].ctl_addr =
		pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
	probe_ent->port[1].bmdma_addr = pci_resource_start(pdev, 4) + 8;
	if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR))
		probe_ent->port[1].scr_addr =
			pci_resource_start(pdev, SIS_SCR_PCI_BAR) + 64;

	probe_ent->n_ports = 2;
	probe_ent->irq = pdev->irq;
	probe_ent->irq_flags = SA_SHIRQ;

	pci_set_master(pdev);
	pci_enable_intx(pdev);

	/* FIXME: check ata_device_add return value */
	ata_device_add(probe_ent);
	kfree(probe_ent);

	return 0;

err_out_regions:
	pci_release_regions(pdev);

err_out:
	pci_disable_device(pdev);
	return rc;

}
Exemplo n.º 4
0
static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct ata_probe_ent *probe_ent;
	struct ata_port_info *ppi;
	int rc;
	unsigned int board_idx = (unsigned int) ent->driver_data;
	int pci_dev_busy = 0;

	rc = pci_enable_device(pdev);
	if (rc)
		return rc;

	rc = pci_request_regions(pdev, DRV_NAME);
	if (rc) {
		pci_dev_busy = 1;
		goto err_out;
	}

	rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;
	rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;

	ppi = &uli_port_info;
	probe_ent = ata_pci_init_native_mode(pdev, &ppi);
	if (!probe_ent) {
		rc = -ENOMEM;
		goto err_out_regions;
	}
	
	switch (board_idx) {
	case uli_5287:
		probe_ent->port[0].scr_addr = ULI5287_BASE;
		probe_ent->port[1].scr_addr = ULI5287_BASE + ULI5287_OFFS;
       		probe_ent->n_ports = 4;

       		probe_ent->port[2].cmd_addr = pci_resource_start(pdev, 0) + 8;
		probe_ent->port[2].altstatus_addr =
		probe_ent->port[2].ctl_addr =
			(pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4;
		probe_ent->port[2].bmdma_addr = pci_resource_start(pdev, 4) + 16;
		probe_ent->port[2].scr_addr = ULI5287_BASE + ULI5287_OFFS*4;

		probe_ent->port[3].cmd_addr = pci_resource_start(pdev, 2) + 8;
		probe_ent->port[3].altstatus_addr =
		probe_ent->port[3].ctl_addr =
			(pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4;
		probe_ent->port[3].bmdma_addr = pci_resource_start(pdev, 4) + 24;
		probe_ent->port[3].scr_addr = ULI5287_BASE + ULI5287_OFFS*5;

		ata_std_ports(&probe_ent->port[2]);
		ata_std_ports(&probe_ent->port[3]);
		break;

	case uli_5289:
		probe_ent->port[0].scr_addr = ULI5287_BASE;
		probe_ent->port[1].scr_addr = ULI5287_BASE + ULI5287_OFFS;
		break;

	case uli_5281:
		probe_ent->port[0].scr_addr = ULI5281_BASE;
		probe_ent->port[1].scr_addr = ULI5281_BASE + ULI5281_OFFS;
		break;

	default:
		BUG();
		break;
	}

	pci_set_master(pdev);
	pci_enable_intx(pdev);

	/* FIXME: check ata_device_add return value */
	ata_device_add(probe_ent);
	kfree(probe_ent);

	return 0;

err_out_regions:
	pci_release_regions(pdev);

err_out:
	if (!pci_dev_busy)
		pci_disable_device(pdev);
	return rc;

}