/* * USB quirk handling * * Copyright (c) 2012 Red Hat, Inc. * * Red Hat Authors: * Hans de Goede * * 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; either version 2 of the License, or * (at your option) any later version. */ #include "quirks.h" #include "hw/usb.h" static bool usb_id_match(const struct usb_device_id *ids, uint16_t vendor_id, uint16_t product_id, uint8_t interface_class, uint8_t interface_subclass, uint8_t interface_protocol) { int i; for (i = 0; ids[i].vendor_id != -1; i++) { if (ids[i].vendor_id == vendor_id && ids[i].product_id == product_id && (ids[i].interface_class == -1 || (ids[i].interface_class == interface_class && ids[i].interface_subclass == interface_subclass && ids[i].interface_protocol == interface_protocol))) { return true; } } return false; } int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, uint8_t interface_class, uint8_t interface_subclass, uint8_t interface_protocol) { int quirks = 0; if (usb_id_match(usbredir_raw_serial_ids, vendor_id, product_id, interface_class, interface_subclass, interface_protocol)) { quirks |= USB_QUIRK_BUFFER_BULK_IN; } if (usb_id_match(usbredir_ftdi_serial_ids, vendor_id, product_id, interface_class, interface_subclass, interface_protocol)) { quirks |= USB_QUIRK_BUFFER_BULK_IN | USB_QUIRK_IS_FTDI; } return quirks; }