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@@ -19,10 +19,19 @@
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* or implied.
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*/
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#include <linux/clk.h>
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-#include <linux/platform_device.h>
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+#include <linux/dma-mapping.h>
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+#include <linux/io.h>
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#include <linux/i2c.h>
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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#include <linux/of.h>
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+#include <linux/platform_device.h>
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#include <linux/usb/isp1301.h>
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+#include <linux/usb.h>
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+#include <linux/usb/hcd.h>
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+
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+#include "ohci.h"
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+
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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@@ -57,6 +66,11 @@
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#define start_int_umask(irq)
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#endif
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+#define DRIVER_DESC "OHCI NXP driver"
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+
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+static const char hcd_name[] = "ohci-nxp";
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+static struct hc_driver __read_mostly ohci_nxp_hc_driver;
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+
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static struct i2c_client *isp1301_i2c_client;
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extern int usb_disabled(void);
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@@ -132,14 +146,14 @@ static inline void isp1301_vbus_off(void)
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OTG1_VBUS_DRV);
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}
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-static void nxp_start_hc(void)
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+static void ohci_nxp_start_hc(void)
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{
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unsigned long tmp = __raw_readl(USB_OTG_STAT_CONTROL) | HOST_EN;
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__raw_writel(tmp, USB_OTG_STAT_CONTROL);
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isp1301_vbus_on();
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}
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-static void nxp_stop_hc(void)
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+static void ohci_nxp_stop_hc(void)
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{
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unsigned long tmp;
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isp1301_vbus_off();
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@@ -147,68 +161,9 @@ static void nxp_stop_hc(void)
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__raw_writel(tmp, USB_OTG_STAT_CONTROL);
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}
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-static int ohci_nxp_start(struct usb_hcd *hcd)
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-{
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- struct ohci_hcd *ohci = hcd_to_ohci(hcd);
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- int ret;
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-
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- if ((ret = ohci_init(ohci)) < 0)
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- return ret;
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-
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- if ((ret = ohci_run(ohci)) < 0) {
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- dev_err(hcd->self.controller, "can't start\n");
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- ohci_stop(hcd);
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- return ret;
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- }
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- return 0;
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-}
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-
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-static const struct hc_driver ohci_nxp_hc_driver = {
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- .description = hcd_name,
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- .product_desc = "nxp OHCI",
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-
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- /*
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- * generic hardware linkage
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- */
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- .irq = ohci_irq,
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- .flags = HCD_USB11 | HCD_MEMORY,
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-
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- .hcd_priv_size = sizeof(struct ohci_hcd),
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- /*
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- * basic lifecycle operations
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- */
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- .start = ohci_nxp_start,
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- .stop = ohci_stop,
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- .shutdown = ohci_shutdown,
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-
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- /*
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- * managing i/o requests and associated device resources
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- */
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- .urb_enqueue = ohci_urb_enqueue,
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- .urb_dequeue = ohci_urb_dequeue,
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- .endpoint_disable = ohci_endpoint_disable,
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-
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- /*
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- * scheduling support
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- */
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- .get_frame_number = ohci_get_frame,
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-
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- /*
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- * root hub support
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- */
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- .hub_status_data = ohci_hub_status_data,
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- .hub_control = ohci_hub_control,
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-#ifdef CONFIG_PM
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- .bus_suspend = ohci_bus_suspend,
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- .bus_resume = ohci_bus_resume,
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-#endif
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- .start_port_reset = ohci_start_port_reset,
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-};
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-
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-static int usb_hcd_nxp_probe(struct platform_device *pdev)
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+static int ohci_hcd_nxp_probe(struct platform_device *pdev)
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{
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struct usb_hcd *hcd = 0;
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- struct ohci_hcd *ohci;
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const struct hc_driver *driver = &ohci_nxp_hc_driver;
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struct resource *res;
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int ret = 0, irq;
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@@ -313,17 +268,15 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
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goto fail_resource;
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}
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- nxp_start_hc();
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+ ohci_nxp_start_hc();
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platform_set_drvdata(pdev, hcd);
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- ohci = hcd_to_ohci(hcd);
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- ohci_hcd_init(ohci);
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dev_info(&pdev->dev, "at 0x%p, irq %d\n", hcd->regs, hcd->irq);
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ret = usb_add_hcd(hcd, irq, 0);
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if (ret == 0)
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return ret;
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- nxp_stop_hc();
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+ ohci_nxp_stop_hc();
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fail_resource:
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usb_put_hcd(hcd);
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fail_hcd:
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@@ -345,12 +298,12 @@ fail_disable:
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return ret;
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}
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-static int usb_hcd_nxp_remove(struct platform_device *pdev)
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+static int ohci_hcd_nxp_remove(struct platform_device *pdev)
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{
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struct usb_hcd *hcd = platform_get_drvdata(pdev);
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usb_remove_hcd(hcd);
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- nxp_stop_hc();
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+ ohci_nxp_stop_hc();
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usb_put_hcd(hcd);
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clk_disable(usb_pll_clk);
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clk_put(usb_pll_clk);
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@@ -366,20 +319,40 @@ static int usb_hcd_nxp_remove(struct platform_device *pdev)
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MODULE_ALIAS("platform:usb-ohci");
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#ifdef CONFIG_OF
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-static const struct of_device_id usb_hcd_nxp_match[] = {
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+static const struct of_device_id ohci_hcd_nxp_match[] = {
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{ .compatible = "nxp,ohci-nxp" },
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{},
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};
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-MODULE_DEVICE_TABLE(of, usb_hcd_nxp_match);
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+MODULE_DEVICE_TABLE(of, ohci_hcd_nxp_match);
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#endif
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-static struct platform_driver usb_hcd_nxp_driver = {
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+static struct platform_driver ohci_hcd_nxp_driver = {
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.driver = {
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.name = "usb-ohci",
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.owner = THIS_MODULE,
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- .of_match_table = of_match_ptr(usb_hcd_nxp_match),
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+ .of_match_table = of_match_ptr(ohci_hcd_nxp_match),
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},
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- .probe = usb_hcd_nxp_probe,
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- .remove = usb_hcd_nxp_remove,
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+ .probe = ohci_hcd_nxp_probe,
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+ .remove = ohci_hcd_nxp_remove,
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};
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+static int __init ohci_nxp_init(void)
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+{
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+ if (usb_disabled())
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+ return -ENODEV;
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+
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+ pr_info("%s: " DRIVER_DESC "\n", hcd_name);
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+
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+ ohci_init_driver(&ohci_nxp_hc_driver, NULL);
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+ return platform_driver_register(&ohci_hcd_nxp_driver);
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+}
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+module_init(ohci_nxp_init);
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+
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+static void __exit ohci_nxp_cleanup(void)
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+{
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+ platform_driver_unregister(&ohci_hcd_nxp_driver);
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+}
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+module_exit(ohci_nxp_cleanup);
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+
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+MODULE_DESCRIPTION(DRIVER_DESC);
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+MODULE_LICENSE("GPL v2");
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Manjunath Goudar