static int __exit octonet_remove(struct platform_device *pdev)
{
struct ddb *dev;
dev = platform_get_drvdata(pdev);
ddb_device_destroy(dev);
ddb_nsd_detach(dev);
ddb_ports_detach(dev);
ddb_i2c_release(dev);
if (dev->link[0].info->ns_num)
ddbwritel(dev, 0, ETHER_CONTROL);
ddbwritel(dev, 0, INTERRUPT_ENABLE);
free_irq(platform_get_irq(dev->pfdev, 0), dev);
ddb_ports_release(dev);
octonet_unmap(dev);
platform_set_drvdata(pdev, 0);
return 0;
}
static void __devexit ddb_remove(struct pci_dev *pdev)
{
struct ddb *dev = (struct ddb *) pci_get_drvdata(pdev);
ddb_ports_detach(dev);
ddb_i2c_release(dev);
ddbwritel(dev, 0, INTERRUPT_ENABLE);
ddbwritel(dev, 0, MSI1_ENABLE);
if (dev->msi == 2)
free_irq(dev->pdev->irq + 1, dev);
free_irq(dev->pdev->irq, dev);
#ifdef CONFIG_PCI_MSI
if (dev->msi)
pci_disable_msi(dev->pdev);
#endif
ddb_ports_release(dev);
ddb_buffers_free(dev);
ddb_device_destroy(dev);
ddb_unmap(dev);
pci_set_drvdata(pdev, 0);
pci_disable_device(pdev);
}
static int __devinit ddb_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct ddb *dev;
int stat = 0;
int irq_flag = IRQF_SHARED;
if (pci_enable_device(pdev) < 0)
return -ENODEV;
dev = vzalloc(sizeof(struct ddb));
if (dev == NULL)
return -ENOMEM;
dev->has_dma = 1;
dev->pdev = pdev;
dev->dev = &pdev->dev;
pci_set_drvdata(pdev, dev);
dev->ids.vendor = id->vendor;
dev->ids.device = id->device;
dev->ids.subvendor = id->subvendor;
dev->ids.subdevice = id->subdevice;
dev->info = (struct ddb_info *) id->driver_data;
pr_info("DDBridge driver detected: %s\n", dev->info->name);
dev->regs_len = pci_resource_len(dev->pdev, 0);
dev->regs = ioremap(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
if (!dev->regs) {
pr_err("DDBridge: not enough memory for register map\n");
stat = -ENOMEM;
goto fail;
}
if (ddbreadl(dev, 0) == 0xffffffff) {
pr_err("DDBridge: cannot read registers\n");
stat = -ENODEV;
goto fail;
}
dev->ids.hwid = ddbreadl(dev, 0);
dev->ids.regmapid = ddbreadl(dev, 4);
pr_info("HW %08x REGMAP %08x\n",
dev->ids.hwid, dev->ids.regmapid);
ddbwritel(dev, 0x00000000, INTERRUPT_ENABLE);
ddbwritel(dev, 0x00000000, MSI1_ENABLE);
ddbwritel(dev, 0x00000000, MSI2_ENABLE);
ddbwritel(dev, 0x00000000, MSI3_ENABLE);
ddbwritel(dev, 0x00000000, MSI4_ENABLE);
ddbwritel(dev, 0x00000000, MSI5_ENABLE);
ddbwritel(dev, 0x00000000, MSI6_ENABLE);
ddbwritel(dev, 0x00000000, MSI7_ENABLE);
#ifdef CONFIG_PCI_MSI
if (msi && pci_msi_enabled()) {
stat = pci_enable_msi_block(dev->pdev, 2);
if (stat == 0) {
dev->msi = 1;
pr_info("DDBrige using 2 MSI interrupts\n");
}
if (stat == 1)
stat = pci_enable_msi(dev->pdev);
if (stat < 0) {
pr_info(": MSI not available.\n");
} else {
irq_flag = 0;
dev->msi++;
}
}
if (dev->msi == 2) {
stat = request_irq(dev->pdev->irq, irq_handler0,
irq_flag, "ddbridge", (void *) dev);
if (stat < 0)
goto fail0;
stat = request_irq(dev->pdev->irq + 1, irq_handler1,
irq_flag, "ddbridge", (void *) dev);
if (stat < 0) {
free_irq(dev->pdev->irq, dev);
goto fail0;
}
} else
#endif
{
#ifdef DDB_TEST_THREADED
stat = request_threaded_irq(dev->pdev->irq, irq_handler,
irq_thread,
irq_flag,
"ddbridge", (void *) dev);
#else
stat = request_irq(dev->pdev->irq, irq_handler,
irq_flag, "ddbridge", (void *) dev);
#endif
if (stat < 0)
goto fail0;
}
ddbwritel(dev, 0, DMA_BASE_READ);
if (dev->info->type != DDB_MOD)
ddbwritel(dev, 0, DMA_BASE_WRITE);
/*ddbwritel(dev, 0xffffffff, INTERRUPT_ACK);*/
if (dev->msi == 2) {
ddbwritel(dev, 0x0fffff00, INTERRUPT_ENABLE);
ddbwritel(dev, 0x0000000f, MSI1_ENABLE);
} else {
ddbwritel(dev, 0x0fffff0f, INTERRUPT_ENABLE);
ddbwritel(dev, 0x00000000, MSI1_ENABLE);
}
if (ddb_i2c_init(dev) < 0)
goto fail1;
ddb_ports_init(dev);
if (ddb_buffers_alloc(dev) < 0) {
pr_info(": Could not allocate buffer memory\n");
goto fail2;
}
if (ddb_ports_attach(dev) < 0)
goto fail3;
/* ignore if this fails */
ddb_device_create(dev);
if (dev->info->fan_num) {
ddbwritel(dev, 1, GPIO_DIRECTION);
ddbwritel(dev, 1, GPIO_OUTPUT);
}
if (dev->info->type == DDB_MOD)
ddbridge_mod_init(dev);
return 0;
fail3:
ddb_ports_detach(dev);
pr_err("fail3\n");
ddb_ports_release(dev);
fail2:
pr_err("fail2\n");
ddb_buffers_free(dev);
ddb_i2c_release(dev);
fail1:
pr_err("fail1\n");
ddbwritel(dev, 0, INTERRUPT_ENABLE);
ddbwritel(dev, 0, MSI1_ENABLE);
free_irq(dev->pdev->irq, dev);
if (dev->msi == 2)
free_irq(dev->pdev->irq + 1, dev);
fail0:
pr_err("fail0\n");
if (dev->msi)
pci_disable_msi(dev->pdev);
fail:
pr_err("fail\n");
ddb_unmap(dev);
pci_set_drvdata(pdev, 0);
pci_disable_device(pdev);
return -1;
}