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sata_inic162x: add cardbus support

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When attached to cardbus, mmio region is at BAR 1.  Other than that,
everything else is the same.  Add support for it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2008-04-30 16:35:16 +09:00 committed by Jeff Garzik
parent f8b0685a8e
commit ba66b242b1
1 changed files with 24 additions and 12 deletions
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36
drivers/ata/sata_inic162x.c
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@ -31,7 +31,8 @@
#define DRV_VERSION "0.3"
enum {
MMIO_BAR = 5,
MMIO_BAR_PCI = 5,
MMIO_BAR_CARDBUS = 1,
NR_PORTS = 2,
@ -197,6 +198,7 @@ struct inic_pkt {
} __packed;
struct inic_host_priv {
void __iomem *mmio_base;
u16 cached_hctl;
};
@ -221,7 +223,9 @@ static const int scr_map[] = {
static void __iomem *inic_port_base(struct ata_port *ap)
{
return ap->host->iomap[MMIO_BAR] + ap->port_no * PORT_SIZE;
struct inic_host_priv *hpriv = ap->host->private_data;
return hpriv->mmio_base + ap->port_no * PORT_SIZE;
}
static void inic_reset_port(void __iomem *port_base)
@ -378,11 +382,11 @@ static void inic_host_intr(struct ata_port *ap)
static irqreturn_t inic_interrupt(int irq, void *dev_instance)
{
struct ata_host *host = dev_instance;
void __iomem *mmio_base = host->iomap[MMIO_BAR];
struct inic_host_priv *hpriv = host->private_data;
u16 host_irq_stat;
int i, handled = 0;;
host_irq_stat = readw(mmio_base + HOST_IRQ_STAT);
host_irq_stat = readw(hpriv->mmio_base + HOST_IRQ_STAT);
if (unlikely(!(host_irq_stat & HIRQ_GLOBAL)))
goto out;
@ -770,7 +774,6 @@ static int inic_pci_device_resume(struct pci_dev *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
struct inic_host_priv *hpriv = host->private_data;
void __iomem *mmio_base = host->iomap[MMIO_BAR];
int rc;
rc = ata_pci_device_do_resume(pdev);
@ -778,7 +781,7 @@ static int inic_pci_device_resume(struct pci_dev *pdev)
return rc;
if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
rc = init_controller(mmio_base, hpriv->cached_hctl);
rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl);
if (rc)
return rc;
}
@ -796,6 +799,7 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
struct ata_host *host;
struct inic_host_priv *hpriv;
void __iomem * const *iomap;
int mmio_bar;
int i, rc;
if (!printed_version++)
@ -809,22 +813,30 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
host->private_data = hpriv;
/* acquire resources and fill host */
/* Acquire resources and fill host. Note that PCI and cardbus
* use different BARs.
*/
rc = pcim_enable_device(pdev);
if (rc)
return rc;
rc = pcim_iomap_regions(pdev, 1 << MMIO_BAR, DRV_NAME);
if (pci_resource_flags(pdev, MMIO_BAR_PCI) & IORESOURCE_MEM)
mmio_bar = MMIO_BAR_PCI;
else
mmio_bar = MMIO_BAR_CARDBUS;
rc = pcim_iomap_regions(pdev, 1 << mmio_bar, DRV_NAME);
if (rc)
return rc;
host->iomap = iomap = pcim_iomap_table(pdev);
hpriv->cached_hctl = readw(iomap[MMIO_BAR] + HOST_CTL);
hpriv->mmio_base = iomap[mmio_bar];
hpriv->cached_hctl = readw(hpriv->mmio_base + HOST_CTL);
for (i = 0; i < NR_PORTS; i++) {
struct ata_port *ap = host->ports[i];
ata_port_pbar_desc(ap, MMIO_BAR, -1, "mmio");
ata_port_pbar_desc(ap, MMIO_BAR, i * PORT_SIZE, "port");
ata_port_pbar_desc(ap, mmio_bar, -1, "mmio");
ata_port_pbar_desc(ap, mmio_bar, i * PORT_SIZE, "port");
}
/* Set dma_mask. This devices doesn't support 64bit addressing. */
@ -854,7 +866,7 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
return rc;
}
rc = init_controller(iomap[MMIO_BAR], hpriv->cached_hctl);
rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl);
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"failed to initialize controller\n");