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- /**
- * host.c - DesignWare USB3 DRD Controller Host Glue
- *
- * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com
- *
- * Authors: Felipe Balbi <balbi@ti.com>,
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * 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>
- #include <linux/usb/xhci_pdriver.h>
- #include "core.h"
- int dwc3_host_init(struct dwc3 *dwc)
- {
- struct platform_device *xhci;
- struct usb_xhci_pdata pdata;
- int ret;
- xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO);
- if (!xhci) {
- dev_err(dwc->dev, "couldn't allocate xHCI device\n");
- return -ENOMEM;
- }
- dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask);
- xhci->dev.parent = dwc->dev;
- xhci->dev.dma_mask = dwc->dev->dma_mask;
- xhci->dev.dma_parms = dwc->dev->dma_parms;
- dwc->xhci = xhci;
- ret = platform_device_add_resources(xhci, dwc->xhci_resources,
- DWC3_XHCI_RESOURCES_NUM);
- if (ret) {
- dev_err(dwc->dev, "couldn't add resources to xHCI device\n");
- goto err1;
- }
- memset(&pdata, 0, sizeof(pdata));
- pdata.usb3_lpm_capable = dwc->usb3_lpm_capable;
- ret = platform_device_add_data(xhci, &pdata, sizeof(pdata));
- if (ret) {
- dev_err(dwc->dev, "couldn't add platform data to xHCI device\n");
- goto err1;
- }
- phy_create_lookup(dwc->usb2_generic_phy, "usb2-phy",
- dev_name(&xhci->dev));
- phy_create_lookup(dwc->usb3_generic_phy, "usb3-phy",
- dev_name(&xhci->dev));
- ret = platform_device_add(xhci);
- if (ret) {
- dev_err(dwc->dev, "failed to register xHCI device\n");
- goto err2;
- }
- return 0;
- err2:
- phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy",
- dev_name(&xhci->dev));
- phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy",
- dev_name(&xhci->dev));
- err1:
- platform_device_put(xhci);
- return ret;
- }
- void dwc3_host_exit(struct dwc3 *dwc)
- {
- phy_remove_lookup(dwc->usb2_generic_phy, "usb2-phy",
- dev_name(&dwc->xhci->dev));
- phy_remove_lookup(dwc->usb3_generic_phy, "usb3-phy",
- dev_name(&dwc->xhci->dev));
- platform_device_unregister(dwc->xhci);
- }
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