diff options
Diffstat (limited to 'drivers/usb/host/ohci-au1xxx.c')
| -rw-r--r-- | drivers/usb/host/ohci-au1xxx.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c deleted file mode 100644 index c611699b4aa6..000000000000 --- a/drivers/usb/host/ohci-au1xxx.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * OHCI HCD (Host Controller Driver) for USB. - * - * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at> - * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net> - * (C) Copyright 2002 Hewlett-Packard Company - * - * Bus Glue for AMD Alchemy Au1xxx - * - * Written by Christopher Hoover <ch@hpl.hp.com> - * Based on fragments of previous driver by Russell King et al. - * - * Modified for LH7A404 from ohci-sa1111.c - * by Durgesh Pattamatta <pattamattad@sharpsec.com> - * Modified for AMD Alchemy Au1xxx - * by Matt Porter <mporter@kernel.crashing.org> - * - * This file is licenced under the GPL. - */ - -#include <linux/platform_device.h> -#include <linux/signal.h> - -#include <asm/mach-au1x00/au1000.h> - - -extern int usb_disabled(void); - -static int __devinit ohci_au1xxx_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - ohci_dbg(ohci, "ohci_au1xxx_start, ohci:%p", ohci); - - if ((ret = ohci_init(ohci)) < 0) - return ret; - - if ((ret = ohci_run(ohci)) < 0) { - dev_err(hcd->self.controller, "can't start %s", - hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - - return 0; -} - -static const struct hc_driver ohci_au1xxx_hc_driver = { - .description = hcd_name, - .product_desc = "Au1xxx OHCI", - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_au1xxx_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) -{ - int ret, unit; - struct usb_hcd *hcd; - - if (usb_disabled()) - return -ENODEV; - - if (pdev->resource[1].flags != IORESOURCE_IRQ) { - pr_debug("resource[1] is not IORESOURCE_IRQ\n"); - return -ENOMEM; - } - - hcd = usb_create_hcd(&ohci_au1xxx_hc_driver, &pdev->dev, "au1xxx"); - if (!hcd) - return -ENOMEM; - - hcd->rsrc_start = pdev->resource[0].start; - hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1; - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("request_mem_region failed\n"); - ret = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("ioremap failed\n"); - ret = -ENOMEM; - goto err2; - } - - unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? - ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; - if (alchemy_usb_control(unit, 1)) { - printk(KERN_INFO "%s: controller init failed!\n", pdev->name); - ret = -ENODEV; - goto err3; - } - - ohci_hcd_init(hcd_to_ohci(hcd)); - - ret = usb_add_hcd(hcd, pdev->resource[1].start, - IRQF_SHARED); - if (ret == 0) { - platform_set_drvdata(pdev, hcd); - return ret; - } - - alchemy_usb_control(unit, 0); -err3: - iounmap(hcd->regs); -err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err1: - usb_put_hcd(hcd); - return ret; -} - -static int ohci_hcd_au1xxx_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - int unit; - - unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? - ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; - usb_remove_hcd(hcd); - alchemy_usb_control(unit, 0); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -#ifdef CONFIG_PM -static int ohci_hcd_au1xxx_drv_suspend(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - unsigned long flags; - int rc; - - rc = 0; - - /* Root hub was already suspended. Disable irq emission and - * mark HW unaccessible, bail out if RH has been resumed. Use - * the spinlock to properly synchronize with possible pending - * RH suspend or resume activity. - */ - spin_lock_irqsave(&ohci->lock, flags); - if (ohci->rh_state != OHCI_RH_SUSPENDED) { - rc = -EINVAL; - goto bail; - } - ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); - (void)ohci_readl(ohci, &ohci->regs->intrdisable); - - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - - alchemy_usb_control(ALCHEMY_USB_OHCI0, 0); -bail: - spin_unlock_irqrestore(&ohci->lock, flags); - - return rc; -} - -static int ohci_hcd_au1xxx_drv_resume(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - - alchemy_usb_control(ALCHEMY_USB_OHCI0, 1); - - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - ohci_finish_controller_resume(hcd); - - return 0; -} - -static const struct dev_pm_ops au1xxx_ohci_pmops = { - .suspend = ohci_hcd_au1xxx_drv_suspend, - .resume = ohci_hcd_au1xxx_drv_resume, -}; - -#define AU1XXX_OHCI_PMOPS &au1xxx_ohci_pmops - -#else -#define AU1XXX_OHCI_PMOPS NULL -#endif - -static struct platform_driver ohci_hcd_au1xxx_driver = { - .probe = ohci_hcd_au1xxx_drv_probe, - .remove = ohci_hcd_au1xxx_drv_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "au1xxx-ohci", - .owner = THIS_MODULE, - .pm = AU1XXX_OHCI_PMOPS, - }, -}; - -MODULE_ALIAS("platform:au1xxx-ohci"); |