static struct scc_ports {
unsigned long ctl, dma;
- unsigned char hwif_id; /* for removing hwif from system */
+ ide_hwif_t *hwif; /* for removing port from system */
} scc_ports[MAX_HWIFS];
/* PIO transfer mode table */
/* errata A308 workaround: Step5 (check data loss) */
/* We don't check non ide_disk because it is limited to UDMA4 */
- if (!(in_be32((void __iomem *)IDE_ALTSTATUS_REG) & ERR_STAT) &&
+ if (!(in_be32((void __iomem *)hwif->io_ports[IDE_ALTSTATUS_OFFSET])
+ & ERR_STAT) &&
drive->media == ide_disk && drive->current_speed > XFER_UDMA_4) {
reg = in_be32((void __iomem *)intsts_port);
if (!(reg & INTSTS_ACTEINT)) {
u32 int_stat = in_be32((void __iomem *)hwif->dma_base + 0x014);
/* SCC errata A252,A308 workaround: Step4 */
- if ((in_be32((void __iomem *)IDE_ALTSTATUS_REG) & ERR_STAT) &&
+ if ((in_be32((void __iomem *)hwif->io_ports[IDE_ALTSTATUS_OFFSET])
+ & ERR_STAT) &&
(int_stat & INTSTS_INTRQ))
return 1;
if (!drive->waiting_for_dma)
printk(KERN_WARNING "%s: (%s) called while not waiting\n",
- drive->name, __FUNCTION__);
+ drive->name, __func__);
return 0;
}
unsigned long dma_size = pci_resource_len(dev, 1);
void __iomem *ctl_addr;
void __iomem *dma_addr;
- int i;
+ int i, ret;
for (i = 0; i < MAX_HWIFS; i++) {
if (scc_ports[i].ctl == 0)
if (i >= MAX_HWIFS)
return -ENOMEM;
- if (!request_mem_region(ctl_base, ctl_size, name)) {
- printk(KERN_WARNING "%s: IDE controller MMIO ports not available.\n", SCC_PATA_NAME);
- goto fail_0;
- }
-
- if (!request_mem_region(dma_base, dma_size, name)) {
- printk(KERN_WARNING "%s: IDE controller MMIO ports not available.\n", SCC_PATA_NAME);
- goto fail_1;
+ ret = pci_request_selected_regions(dev, (1 << 2) - 1, name);
+ if (ret < 0) {
+ printk(KERN_ERR "%s: can't reserve resources\n", name);
+ return ret;
}
if ((ctl_addr = ioremap(ctl_base, ctl_size)) == NULL)
- goto fail_2;
+ goto fail_0;
if ((dma_addr = ioremap(dma_base, dma_size)) == NULL)
- goto fail_3;
+ goto fail_1;
pci_set_master(dev);
scc_ports[i].ctl = (unsigned long)ctl_addr;
return 1;
- fail_3:
- iounmap(ctl_addr);
- fail_2:
- release_mem_region(dma_base, dma_size);
fail_1:
- release_mem_region(ctl_base, ctl_size);
+ iounmap(ctl_addr);
fail_0:
return -ENOMEM;
}
+static int scc_ide_setup_pci_device(struct pci_dev *dev,
+ const struct ide_port_info *d)
+{
+ struct scc_ports *ports = pci_get_drvdata(dev);
+ ide_hwif_t *hwif = NULL;
+ hw_regs_t hw;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+ int i;
+
+ hwif = ide_find_port();
+ if (hwif == NULL) {
+ printk(KERN_ERR "%s: too many IDE interfaces, "
+ "no room in table\n", SCC_PATA_NAME);
+ return -ENOMEM;
+ }
+
+ memset(&hw, 0, sizeof(hw));
+ for (i = IDE_DATA_OFFSET; i <= IDE_CONTROL_OFFSET; i++)
+ hw.io_ports[i] = ports->dma + 0x20 + i * 4;
+ hw.irq = dev->irq;
+ hw.dev = &dev->dev;
+ hw.chipset = ide_pci;
+ ide_init_port_hw(hwif, &hw);
+ hwif->dev = &dev->dev;
+
+ idx[0] = hwif->index;
+
+ ide_device_add(idx, d);
+
+ return 0;
+}
+
/**
* init_setup_scc - set up an SCC PATA Controller
* @dev: PCI device
struct scc_ports *ports;
int rc;
+ rc = pci_enable_device(dev);
+ if (rc)
+ goto end;
+
rc = setup_mmio_scc(dev, d->name);
- if (rc < 0) {
- return rc;
- }
+ if (rc < 0)
+ goto end;
ports = pci_get_drvdata(dev);
ctl_base = ports->ctl;
out_be32((void*)mode_port, MODE_JCUSFEN);
out_be32((void*)intmask_port, INTMASK_MSK);
- return ide_setup_pci_device(dev, d);
+ rc = scc_ide_setup_pci_device(dev, d);
+
+ end:
+ return rc;
}
/**
hwif->OUTSW = scc_ide_outsw;
hwif->OUTSL = scc_ide_outsl;
- hwif->io_ports[IDE_DATA_OFFSET] = dma_base + 0x20;
- hwif->io_ports[IDE_ERROR_OFFSET] = dma_base + 0x24;
- hwif->io_ports[IDE_NSECTOR_OFFSET] = dma_base + 0x28;
- hwif->io_ports[IDE_SECTOR_OFFSET] = dma_base + 0x2c;
- hwif->io_ports[IDE_LCYL_OFFSET] = dma_base + 0x30;
- hwif->io_ports[IDE_HCYL_OFFSET] = dma_base + 0x34;
- hwif->io_ports[IDE_SELECT_OFFSET] = dma_base + 0x38;
- hwif->io_ports[IDE_STATUS_OFFSET] = dma_base + 0x3c;
- hwif->io_ports[IDE_CONTROL_OFFSET] = dma_base + 0x40;
-
- hwif->irq = dev->irq;
hwif->dma_base = dma_base;
hwif->config_data = ports->ctl;
hwif->mmio = 1;
init_mmio_iops_scc(hwif);
}
+static u8 __devinit scc_cable_detect(ide_hwif_t *hwif)
+{
+ return ATA_CBL_PATA80;
+}
+
/**
* init_hwif_scc - set up hwif
* @hwif: interface to set up
{
struct scc_ports *ports = ide_get_hwifdata(hwif);
- ports->hwif_id = hwif->index;
+ ports->hwif = hwif;
hwif->dma_command = hwif->dma_base;
hwif->dma_status = hwif->dma_base + 0x04;
hwif->dma_setup = scc_dma_setup;
hwif->ide_dma_end = scc_ide_dma_end;
- hwif->set_pio_mode = scc_set_pio_mode;
- hwif->set_dma_mode = scc_set_dma_mode;
hwif->ide_dma_test_irq = scc_dma_test_irq;
- hwif->udma_filter = scc_udma_filter;
if (in_be32((void __iomem *)(hwif->config_data + 0xff0)) & CCKCTRL_ATACLKOEN)
hwif->ultra_mask = ATA_UDMA6; /* 133MHz */
else
hwif->ultra_mask = ATA_UDMA5; /* 100MHz */
-
- /* we support 80c cable only. */
- hwif->cbl = ATA_CBL_PATA80;
}
+static const struct ide_port_ops scc_port_ops = {
+ .set_pio_mode = scc_set_pio_mode,
+ .set_dma_mode = scc_set_dma_mode,
+ .udma_filter = scc_udma_filter,
+ .cable_detect = scc_cable_detect,
+};
+
#define DECLARE_SCC_DEV(name_str) \
{ \
.name = name_str, \
.init_iops = init_iops_scc, \
.init_hwif = init_hwif_scc, \
- .host_flags = IDE_HFLAG_SINGLE | \
- IDE_HFLAG_BOOTABLE, \
+ .port_ops = &scc_port_ops, \
+ .host_flags = IDE_HFLAG_SINGLE, \
.pio_mask = ATA_PIO4, \
}
static void __devexit scc_remove(struct pci_dev *dev)
{
struct scc_ports *ports = pci_get_drvdata(dev);
- ide_hwif_t *hwif = &ide_hwifs[ports->hwif_id];
- unsigned long ctl_base = pci_resource_start(dev, 0);
- unsigned long dma_base = pci_resource_start(dev, 1);
- unsigned long ctl_size = pci_resource_len(dev, 0);
- unsigned long dma_size = pci_resource_len(dev, 1);
+ ide_hwif_t *hwif = ports->hwif;
if (hwif->dmatable_cpu) {
pci_free_consistent(dev, PRD_ENTRIES * PRD_BYTES,
hwif->chipset = ide_unknown;
iounmap((void*)ports->dma);
iounmap((void*)ports->ctl);
- release_mem_region(dma_base, dma_size);
- release_mem_region(ctl_base, ctl_size);
+ pci_release_selected_regions(dev, (1 << 2) - 1);
memset(ports, 0, sizeof(*ports));
}
projects / linux-2.6 / blobdiff