55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/*
|
|
* USB quirk handling
|
|
*
|
|
* Copyright (c) 2012 Red Hat, Inc.
|
|
*
|
|
* Red Hat Authors:
|
|
* Hans de Goede <hdegoede@redhat.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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#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].terminating_entry == 0; i++) {
|
|
if (ids[i].vendor_id == vendor_id &&
|
|
ids[i].product_id == product_id &&
|
|
(ids[i].interface_protocol_used == 0 ||
|
|
(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;
|
|
}
|