/* * OHCI HCD (Host Controller Driver) for USB. * * Copyright (C) 2008 Renesas Solutions Corp. * * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #include <linux/platform_device.h> static int ohci_sh_start(struct usb_hcd *hcd) { struct ohci_hcd *ohci = hcd_to_ohci(hcd); ohci_hcd_init(ohci); ohci_init(ohci); ohci_run(ohci); hcd->state = HC_STATE_RUNNING; return 0; } static const struct hc_driver ohci_sh_hc_driver = { .description = hcd_name, .product_desc = "SuperH OHCI", .hcd_priv_size = sizeof(struct ohci_hcd), /* * generic hardware linkage */ .irq = ohci_irq, .flags = HCD_USB11 | HCD_MEMORY, /* * basic lifecycle operations */ .start = ohci_sh_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_sh_probe(struct platform_device *pdev) { struct resource *res = NULL; struct usb_hcd *hcd = NULL; int irq = -1; int ret; if (usb_disabled()) return -ENODEV; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { err("platform_get_resource error."); return -ENODEV; } irq = platform_get_irq(pdev, 0); if (irq < 0) { err("platform_get_irq error."); return -ENODEV; } /* initialize hcd */ hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name); if (!hcd) { err("Failed to create hcd"); return -ENOMEM; } hcd->regs = (void __iomem *)res->start; hcd->rsrc_start = res->start; hcd->rsrc_len = resource_size(res); ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); if (ret != 0) { err("Failed to add hcd"); usb_put_hcd(hcd); return ret; } return ret; } static int ohci_hcd_sh_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); usb_remove_hcd(hcd); usb_put_hcd(hcd); return 0; } static struct platform_driver ohci_hcd_sh_driver = { .probe = ohci_hcd_sh_probe, .remove = ohci_hcd_sh_remove, .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "sh_ohci", .owner = THIS_MODULE, }, }; MODULE_ALIAS("platform:sh_ohci");