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|
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1535,6 +1535,7 @@ static struct hc_driver isp116x_hc_drive
/*----------------------------------------------------------------*/
+#ifdef CONFIG_USB_ISP116X_HCD_PLATFORM
static int isp116x_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
@@ -1708,22 +1709,249 @@ static struct platform_driver isp116x_dr
},
};
+static inline int isp116x_platform_register(void)
+{
+ return platform_driver_register(&isp116x_driver);
+}
+
+static inline void isp116x_platform_unregister(void)
+{
+ platform_driver_unregister(&isp116x_driver);
+}
+#else
+static inline int isp116x_platform_register(void) { return 0; };
+static void isp116x_platform_unregister(void) {};
+#endif /* CONFIG_USB_ISP116X_PLATFORM */
+
+/*-----------------------------------------------------------------*/
+
+#ifdef CONFIG_USB_ISP116X_HCD_OF
+
+#include <linux/of_platform.h>
+
+#ifdef USE_PLATFORM_DELAY
+static void isp116x_of_delay(struct device *ddev, int delay)
+{
+ ndelay(delay);
+}
+#else
+#define isp116x_of_delay NULL
+#endif
+
+static int __devinit isp116x_of_probe(struct platform_device *op)
+{
+ struct device_node *dn = op->dev.of_node;
+ struct usb_hcd *hcd;
+ struct isp116x *isp116x;
+ struct resource addr, data;
+ struct isp116x_platform_data *board;
+ void __iomem *addr_reg;
+ void __iomem *data_reg;
+ int irq;
+ int ret = 0;
+ unsigned long irqflags;
+
+ ret = of_address_to_resource(dn, 0, &data);
+ if (ret)
+ return ret;
+
+ ret = of_address_to_resource(dn, 1, &addr);
+ if (ret)
+ return ret;
+
+ board = kzalloc(sizeof(struct isp116x_platform_data), GFP_KERNEL);
+ if (board == NULL)
+ return -ENOMEM;
+
+ if (!request_mem_region(addr.start, resource_size(&addr), hcd_name)) {
+ ret = -EBUSY;
+ goto err_free_board;
+ }
+
+ addr_reg = ioremap_nocache(addr.start, resource_size(&addr));
+ if (addr_reg == NULL) {
+ ret = -ENOMEM;
+ goto err_release_addr;
+ }
+
+ if (!request_mem_region(data.start, resource_size(&data), hcd_name)) {
+ ret = -EBUSY;
+ goto err_unmap_addr;
+ }
+
+ data_reg = ioremap_nocache(data.start, resource_size(&data));
+ if (data_reg == NULL) {
+ ret = -ENOMEM;
+ goto err_release_data;
+ }
+
+ irq = irq_of_parse_and_map(dn, 0);
+ if (irq == NO_IRQ) {
+ ret = -EINVAL;
+ goto err_unmap_data;
+ }
+
+ /* allocate and initialize hcd */
+ hcd = usb_create_hcd(&isp116x_hc_driver, &op->dev, dev_name(&op->dev));
+ if (!hcd) {
+ ret = -ENOMEM;
+ goto err_irq_dispose;
+ }
+
+ /* this rsrc_start is bogus */
+ hcd->rsrc_start = addr.start;
+ isp116x = hcd_to_isp116x(hcd);
+ isp116x->data_reg = data_reg;
+ isp116x->addr_reg = addr_reg;
+ isp116x->board = board;
+ spin_lock_init(&isp116x->lock);
+ INIT_LIST_HEAD(&isp116x->async);
+
+ board->delay = isp116x_of_delay;
+ if (of_get_property(dn, "sel15Kres", NULL))
+ board->sel15Kres = 1;
+ if (of_get_property(dn, "oc_enable", NULL))
+ board->oc_enable = 1;
+ if (of_get_property(dn, "remote_wakeup_enable", NULL))
+ board->remote_wakeup_enable = 1;
+
+ if (of_get_property(dn, "int_act_high", NULL))
+ board->int_act_high = 1;
+ if (of_get_property(dn, "int_edge_triggered", NULL))
+ board->int_edge_triggered = 1;
+
+ if (board->int_edge_triggered)
+ irqflags = board->int_act_high ? IRQF_TRIGGER_RISING :
+ IRQF_TRIGGER_FALLING;
+ else
+ irqflags = board->int_act_high ? IRQF_TRIGGER_HIGH :
+ IRQF_TRIGGER_LOW;
+
+ ret = usb_add_hcd(hcd, irq, irqflags | IRQF_DISABLED);
+ if (ret)
+ goto err_put_hcd;
+
+ ret = create_debug_file(isp116x);
+ if (ret) {
+ ERR("Couldn't create debugfs entry\n");
+ goto err_remove_hcd;
+ }
+
+ return 0;
+
+ err_remove_hcd:
+ usb_remove_hcd(hcd);
+ err_put_hcd:
+ usb_put_hcd(hcd);
+ err_irq_dispose:
+ irq_dispose_mapping(irq);
+ err_unmap_data:
+ iounmap(data_reg);
+ err_release_data:
+ release_mem_region(data.start, resource_size(&data));
+ err_unmap_addr:
+ iounmap(addr_reg);
+ err_release_addr:
+ release_mem_region(addr.start, resource_size(&addr));
+ err_free_board:
+ kfree(board);
+ return ret;
+}
+
+static __devexit int isp116x_of_remove(struct platform_device *op)
+{
+ struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
+ struct isp116x *isp116x;
+ struct resource res;
+
+ if (!hcd)
+ return 0;
+
+ dev_set_drvdata(&op->dev, NULL);
+
+ isp116x = hcd_to_isp116x(hcd);
+ remove_debug_file(isp116x);
+ usb_remove_hcd(hcd);
+
+ irq_dispose_mapping(hcd->irq);
+
+ iounmap(isp116x->data_reg);
+ (void) of_address_to_resource(op->dev.of_node, 0, &res);
+ release_mem_region(res.start, resource_size(&res));
+
+ iounmap(isp116x->addr_reg);
+ (void) of_address_to_resource(op->dev.of_node, 1, &res);
+ release_mem_region(res.start, resource_size(&res));
+
+ kfree(isp116x->board);
+ usb_put_hcd(hcd);
+
+ return 0;
+}
+
+static struct of_device_id isp116x_of_match[] = {
+ { .compatible = "isp116x-hcd", },
+ {},
+};
+
+static struct platform_driver isp116x_of_platform_driver = {
+ .probe = isp116x_of_probe,
+ .remove = __devexit_p(isp116x_of_remove),
+ .driver = {
+ .name = "isp116x-hcd-of",
+ .owner = THIS_MODULE,
+ .of_match_table = isp116x_of_match,
+ },
+};
+
+static int __init isp116x_of_register(void)
+{
+ return platform_driver_register(&isp116x_of_platform_driver);
+}
+
+static void __exit isp116x_of_unregister(void)
+{
+ platform_driver_unregister(&isp116x_of_platform_driver);
+}
+
+MODULE_DEVICE_TABLE(of, isp116x_of_match);
+
+#else
+static inline int isp116x_of_register(void) { return 0; };
+static void isp116x_of_unregister(void) {};
+#endif /* CONFIG_USB_ISP116X_HCD_OF */
+
/*-----------------------------------------------------------------*/
static int __init isp116x_init(void)
{
+ int ret;
+
if (usb_disabled())
return -ENODEV;
INFO("driver %s, %s\n", hcd_name, DRIVER_VERSION);
- return platform_driver_register(&isp116x_driver);
+ ret = isp116x_platform_register();
+ if (ret)
+ return ret;
+
+ ret = isp116x_of_register();
+ if (ret)
+ goto err_platform_unregister;
+
+ return 0;
+
+ err_platform_unregister:
+ isp116x_platform_unregister();
+ return ret;
}
module_init(isp116x_init);
static void __exit isp116x_cleanup(void)
{
- platform_driver_unregister(&isp116x_driver);
+ isp116x_of_unregister();
+ isp116x_platform_unregister();
}
module_exit(isp116x_cleanup);
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -251,6 +251,24 @@ config USB_ISP116X_HCD
To compile this driver as a module, choose M here: the
module will be called isp116x-hcd.
+config USB_ISP116X_HCD_PLATFORM
+ bool "ISP116X support for controllers on platform bus"
+ depends on USB_ISP116X_HCD
+ default n if PPC_OF
+ default y
+ ---help---
+ Enables support for the ISP116x USB controller present on the
+ platform bus.
+
+config USB_ISP116X_HCD_OF
+ bool "ISP116X support for controllers on OF platform bus"
+ depends on USB_ISP116X_HCD && PPC_OF
+ default y if PPC_OF
+ default n
+ ---help---
+ Enables support for the ISP116x USB controller present on the
+ OpenFirmware platform bus.
+
config USB_ISP1760_HCD
tristate "ISP 1760 HCD support"
depends on USB && EXPERIMENTAL
|
