diff options
Diffstat (limited to 'drivers/usb/host/ehci-vt8500.c')
| -rw-r--r-- | drivers/usb/host/ehci-vt8500.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c deleted file mode 100644 index 20168062035..00000000000 --- a/drivers/usb/host/ehci-vt8500.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * drivers/usb/host/ehci-vt8500.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * Based on ehci-au1xxx.c - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#include <linux/platform_device.h> - -static int ehci_update_device(struct usb_hcd *hcd, struct usb_device *udev) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int rc = 0; - - if (!udev->parent) /* udev is root hub itself, impossible */ - rc = -1; - /* we only support lpm device connected to root hub yet */ - if (ehci->has_lpm && !udev->parent->parent) { - rc = ehci_lpm_set_da(ehci, udev->devnum, udev->portnum); - if (!rc) - rc = ehci_lpm_check(ehci, udev->portnum); - } - return rc; -} - -static const struct hc_driver vt8500_ehci_hc_driver = { - .description = hcd_name, - .product_desc = "VT8500 EHCI", - .hcd_priv_size = sizeof(struct ehci_hcd), - - /* - * generic hardware linkage - */ - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - /* - * basic lifecycle operations - */ - .reset = ehci_init, - .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, - - /* - * call back when device connected and addressed - */ - .update_device = ehci_update_device, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int vt8500_ehci_drv_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct ehci_hcd *ehci; - 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(&vt8500_ehci_hc_driver, &pdev->dev, "VT8500"); - if (!hcd) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - 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("request_mem_region failed"); - ret = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("ioremap failed"); - ret = -ENOMEM; - goto err2; - } - - ehci = hcd_to_ehci(hcd); - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + HC_LENGTH(readl(&ehci->caps->hc_capbase)); - - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = readl(&ehci->caps->hcs_params); - - ehci_port_power(ehci, 1); - - ret = usb_add_hcd(hcd, pdev->resource[1].start, - IRQF_DISABLED | IRQF_SHARED); - if (ret == 0) { - platform_set_drvdata(pdev, hcd); - return ret; - } - - iounmap(hcd->regs); -err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err1: - usb_put_hcd(hcd); - return ret; -} - -static int vt8500_ehci_drv_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver vt8500_ehci_driver = { - .probe = vt8500_ehci_drv_probe, - .remove = vt8500_ehci_drv_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "vt8500-ehci", - .owner = THIS_MODULE, - } -}; - -MODULE_ALIAS("platform:vt8500-ehci"); |