USB: EHCI: remove Alchemy EHCI driver

/*

 * EHCI HCD (Host Controller Driver) for USB.

 *

 * Bus Glue for AMD Alchemy Au1xxx

 *

 * Based on "ohci-au1xxx.c" by Matt Porter <mporter@kernel.crashing.org>

 *

 * Modified for AMD Alchemy Au1200 EHC

 *  by K.Boge <karsten.boge@amd.com>

 *

 * This file is licenced under the GPL.

 */

#include <linux/platform_device.h>

#include <asm/mach-au1x00/au1000.h>

extern int usb_disabled(void);

static int au1xxx_ehci_setup(struct usb_hcd *hcd)

{

	struct ehci_hcd *ehci = hcd_to_ehci(hcd);

	int ret;

	ehci->caps = hcd->regs;

	ret = ehci_setup(hcd);

	ehci->need_io_watchdog = 0;

	return ret;

}

static const struct hc_driver ehci_au1xxx_hc_driver = {

	.description		= hcd_name,

	.product_desc		= "Au1xxx EHCI",

	.hcd_priv_size		= sizeof(struct ehci_hcd),

	/*

	 * generic hardware linkage

	 */

	.irq			= ehci_irq,

	.flags			= HCD_MEMORY | HCD_USB2,

	/*

	 * basic lifecycle operations

	 *

	 * FIXME -- ehci_init() doesn't do enough here.

	 * See ehci-ppc-soc for a complete implementation.

	 */

	.reset			= au1xxx_ehci_setup,

	.start			= ehci_run,

	.stop			= ehci_stop,

	.shutdown		= ehci_shutdown,

	/*

	 * managing i/o requests and associated device resources

	 */

	.urb_enqueue		= ehci_urb_enqueue,

	.urb_dequeue		= ehci_urb_dequeue,

	.endpoint_disable	= ehci_endpoint_disable,

	.endpoint_reset		= ehci_endpoint_reset,

	/*

	 * scheduling support

	 */

	.get_frame_number	= ehci_get_frame,

	/*

	 * root hub support

	 */

	.hub_status_data	= ehci_hub_status_data,

	.hub_control		= ehci_hub_control,

	.bus_suspend		= ehci_bus_suspend,

	.bus_resume		= ehci_bus_resume,

	.relinquish_port	= ehci_relinquish_port,

	.port_handed_over	= ehci_port_handed_over,

	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,

};

static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)

{

	struct usb_hcd *hcd;

	struct resource *res;

	int ret;

	if (usb_disabled())

		return -ENODEV;

	if (pdev->resource[1].flags != IORESOURCE_IRQ) {

		pr_debug("resource[1] is not IORESOURCE_IRQ");

		return -ENOMEM;

	}

	hcd = usb_create_hcd(&ehci_au1xxx_hc_driver, &pdev->dev, "Au1xxx");

	if (!hcd)

		return -ENOMEM;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	hcd->rsrc_start = res->start;

	hcd->rsrc_len = resource_size(res);

	hcd->regs = devm_request_and_ioremap(&pdev->dev, res);

	if (!hcd->regs) {

		pr_debug("devm_request_and_ioremap failed");

		ret = -ENOMEM;

		goto err1;

	}

	if (alchemy_usb_control(ALCHEMY_USB_EHCI0, 1)) {

		printk(KERN_INFO "%s: controller init failed!\n", pdev->name);

		ret = -ENODEV;

		goto err1;

	}

	ret = usb_add_hcd(hcd, pdev->resource[1].start,

			  IRQF_SHARED);

	if (ret == 0) {

		platform_set_drvdata(pdev, hcd);

		return ret;

	}

	alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);

err1:

	usb_put_hcd(hcd);

	return ret;

}

static int ehci_hcd_au1xxx_drv_remove(struct platform_device *pdev)

{

	struct usb_hcd *hcd = platform_get_drvdata(pdev);

	usb_remove_hcd(hcd);

	alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);

	usb_put_hcd(hcd);

	platform_set_drvdata(pdev, NULL);

	return 0;

}

#ifdef CONFIG_PM

static int ehci_hcd_au1xxx_drv_suspend(struct device *dev)

{

	struct usb_hcd *hcd = dev_get_drvdata(dev);

	bool do_wakeup = device_may_wakeup(dev);

	int rc;

	rc = ehci_suspend(hcd, do_wakeup);

	alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);

	return rc;

}

static int ehci_hcd_au1xxx_drv_resume(struct device *dev)

{

	struct usb_hcd *hcd = dev_get_drvdata(dev);

	alchemy_usb_control(ALCHEMY_USB_EHCI0, 1);

	ehci_resume(hcd, false);

	return 0;

}

static const struct dev_pm_ops au1xxx_ehci_pmops = {

	.suspend	= ehci_hcd_au1xxx_drv_suspend,

	.resume		= ehci_hcd_au1xxx_drv_resume,

};

#define AU1XXX_EHCI_PMOPS &au1xxx_ehci_pmops

#else

#define AU1XXX_EHCI_PMOPS NULL

#endif

static struct platform_driver ehci_hcd_au1xxx_driver = {

	.probe		= ehci_hcd_au1xxx_drv_probe,

	.remove		= ehci_hcd_au1xxx_drv_remove,

	.shutdown	= usb_hcd_platform_shutdown,

	.driver = {

		.name	= "au1xxx-ehci",

		.owner	= THIS_MODULE,

		.pm	= AU1XXX_EHCI_PMOPS,

	}

};

MODULE_ALIAS("platform:au1xxx-ehci");

#define PLATFORM_DRIVER		ehci_hcd_sh_driver

#endif

#ifdef CONFIG_MIPS_ALCHEMY

#include "ehci-au1xxx.c"

#define	PLATFORM_DRIVER		ehci_hcd_au1xxx_driver

#endif

#ifdef CONFIG_USB_EHCI_HCD_OMAP

#include "ehci-omap.c"

#define        PLATFORM_DRIVER         ehci_hcd_omap_driver