diff options
Diffstat (limited to 'drivers/usb/host/ohci-ppc-soc.c')
| -rw-r--r-- | drivers/usb/host/ohci-ppc-soc.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c deleted file mode 100644 index 185c39ed81b7..000000000000 --- a/drivers/usb/host/ohci-ppc-soc.c +++ /dev/null @@ -1,216 +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 - * (C) Copyright 2003-2005 MontaVista Software Inc. - * - * Bus Glue for PPC On-Chip OHCI driver - * Tested on Freescale MPC5200 and IBM STB04xxx - * - * Modified by Dale Farnsworth <dale@farnsworth.org> from ohci-sa1111.c - * - * This file is licenced under the GPL. - */ - -#include <linux/platform_device.h> -#include <linux/signal.h> - -/* configure so an HC device and id are always provided */ -/* always called with process context; sleeping is OK */ - -/** - * usb_hcd_ppc_soc_probe - initialize On-Chip HCDs - * Context: !in_interrupt() - * - * Allocates basic resources for this USB host controller. - * - * Store this function in the HCD's struct pci_driver as probe(). - */ -static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver, - struct platform_device *pdev) -{ - int retval; - struct usb_hcd *hcd; - struct ohci_hcd *ohci; - struct resource *res; - int irq; - - pr_debug("initializing PPC-SOC USB Controller\n"); - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - pr_debug("%s: no irq\n", __FILE__); - return -ENODEV; - } - irq = res->start; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - pr_debug("%s: no reg addr\n", __FILE__); - return -ENODEV; - } - - hcd = usb_create_hcd(driver, &pdev->dev, "PPC-SOC USB"); - if (!hcd) - return -ENOMEM; - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("%s: request_mem_region failed\n", __FILE__); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("%s: ioremap failed\n", __FILE__); - retval = -ENOMEM; - goto err2; - } - - ohci = hcd_to_ohci(hcd); - ohci->flags |= OHCI_QUIRK_BE_MMIO | OHCI_QUIRK_BE_DESC; - -#ifdef CONFIG_PPC_MPC52xx - /* MPC52xx doesn't need frame_no shift */ - ohci->flags |= OHCI_QUIRK_FRAME_NO; -#endif - ohci_hcd_init(ohci); - - retval = usb_add_hcd(hcd, irq, 0); - if (retval == 0) - return retval; - - pr_debug("Removing PPC-SOC USB Controller\n"); - - iounmap(hcd->regs); - err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - err1: - usb_put_hcd(hcd); - return retval; -} - - -/* may be called without controller electrically present */ -/* may be called with controller, bus, and devices active */ - -/** - * usb_hcd_ppc_soc_remove - shutdown processing for On-Chip HCDs - * @pdev: USB Host Controller being removed - * Context: !in_interrupt() - * - * Reverses the effect of usb_hcd_ppc_soc_probe(). - * It is always called from a thread - * context, normally "rmmod", "apmd", or something similar. - * - */ -static void usb_hcd_ppc_soc_remove(struct usb_hcd *hcd, - struct platform_device *pdev) -{ - usb_remove_hcd(hcd); - - pr_debug("stopping PPC-SOC USB Controller\n"); - - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); -} - -static int __devinit -ohci_ppc_soc_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - if ((ret = ohci_init(ohci)) < 0) - return ret; - - if ((ret = ohci_run(ohci)) < 0) { - dev_err(hcd->self.controller, "can't start %s\n", - hcd->self.bus_name); - ohci_stop(hcd); - return ret; - } - - return 0; -} - -static const struct hc_driver ohci_ppc_soc_hc_driver = { - .description = hcd_name, - .hcd_priv_size = sizeof(struct ohci_hcd), - - /* - * generic hardware linkage - */ - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .start = ohci_ppc_soc_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_ppc_soc_drv_probe(struct platform_device *pdev) -{ - int ret; - - if (usb_disabled()) - return -ENODEV; - - ret = usb_hcd_ppc_soc_probe(&ohci_ppc_soc_hc_driver, pdev); - return ret; -} - -static int ohci_hcd_ppc_soc_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_hcd_ppc_soc_remove(hcd, pdev); - return 0; -} - -static struct platform_driver ohci_hcd_ppc_soc_driver = { - .probe = ohci_hcd_ppc_soc_drv_probe, - .remove = ohci_hcd_ppc_soc_drv_remove, - .shutdown = usb_hcd_platform_shutdown, -#ifdef CONFIG_PM - /*.suspend = ohci_hcd_ppc_soc_drv_suspend,*/ - /*.resume = ohci_hcd_ppc_soc_drv_resume,*/ -#endif - .driver = { - .name = "ppc-soc-ohci", - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS("platform:ppc-soc-ohci"); |
