| Hans de Goede | b2d1fe6 | 2012-12-19 15:08:33 +0100 | [diff] [blame] | 1 | /* |
| 2 | * USB quirk handling |
| 3 | * |
| 4 | * Copyright (c) 2012 Red Hat, Inc. |
| 5 | * |
| 6 | * Red Hat Authors: |
| 7 | * Hans de Goede <hdegoede@redhat.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | */ |
| 14 | |
| 15 | #include "quirks.h" |
| 16 | #include "hw/usb.h" |
| 17 | |
| 18 | static bool usb_id_match(const struct usb_device_id *ids, |
| 19 | uint16_t vendor_id, uint16_t product_id, |
| 20 | uint8_t interface_class, uint8_t interface_subclass, |
| 21 | uint8_t interface_protocol) { |
| 22 | int i; |
| 23 | |
| 24 | for (i = 0; ids[i].vendor_id != -1; i++) { |
| 25 | if (ids[i].vendor_id == vendor_id && |
| 26 | ids[i].product_id == product_id && |
| 27 | (ids[i].interface_class == -1 || |
| 28 | (ids[i].interface_class == interface_class && |
| 29 | ids[i].interface_subclass == interface_subclass && |
| 30 | ids[i].interface_protocol == interface_protocol))) { |
| 31 | return true; |
| 32 | } |
| 33 | } |
| 34 | return false; |
| 35 | } |
| 36 | |
| 37 | int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, |
| 38 | uint8_t interface_class, uint8_t interface_subclass, |
| 39 | uint8_t interface_protocol) |
| 40 | { |
| 41 | int quirks = 0; |
| 42 | |
| 43 | if (usb_id_match(usbredir_raw_serial_ids, vendor_id, product_id, |
| 44 | interface_class, interface_subclass, interface_protocol)) { |
| 45 | quirks |= USB_QUIRK_BUFFER_BULK_IN; |
| 46 | } |
| 47 | if (usb_id_match(usbredir_ftdi_serial_ids, vendor_id, product_id, |
| 48 | interface_class, interface_subclass, interface_protocol)) { |
| 49 | quirks |= USB_QUIRK_BUFFER_BULK_IN | USB_QUIRK_IS_FTDI; |
| 50 | } |
| 51 | |
| 52 | return quirks; |
| 53 | } |