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/* libusb-win32, Generic Windows USB Library
* Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de>
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "libusb_driver.h"
NTSTATUS vendor_class_request(libusb_device_t *dev,
int type, int recipient,
int request, int value, int index,
void *buffer, int size, int direction,
int *ret, int timeout)
{
NTSTATUS status = STATUS_SUCCESS;
URB urb;
*ret = 0;
memset(&urb, 0, sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST));
switch (type)
{
case USB_TYPE_CLASS:
USBMSG0("type: class\n");
switch (recipient)
{
case USB_RECIP_DEVICE:
USBMSG0("recipient: device\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_DEVICE;
break;
case USB_RECIP_INTERFACE:
USBMSG0("recipient: interface\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_INTERFACE;
break;
case USB_RECIP_ENDPOINT:
USBMSG0("recipient: endpoint\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_ENDPOINT;
break;
case USB_RECIP_OTHER:
USBMSG0("recipient: other\n");
urb.UrbHeader.Function = URB_FUNCTION_CLASS_OTHER;
break;
default:
USBERR0("invalid recipient\n");
return STATUS_INVALID_PARAMETER;
}
break;
case USB_TYPE_VENDOR:
USBMSG0("type: vendor\n");
switch (recipient)
{
case USB_RECIP_DEVICE:
USBMSG0("recipient: device\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_DEVICE;
break;
case USB_RECIP_INTERFACE:
USBMSG0("recipient: interface\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_INTERFACE;
break;
case USB_RECIP_ENDPOINT:
USBMSG0("recipient: endpoint\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_ENDPOINT;
break;
case USB_RECIP_OTHER:
USBMSG0("recipient: other\n");
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_OTHER;
break;
default:
// [Kevin Timmerman Patch]
USBMSG("recipient: reserved (0x%02x)\n", recipient);
urb.UrbHeader.Function = URB_FUNCTION_VENDOR_DEVICE;
urb.UrbControlVendorClassRequest.RequestTypeReservedBits = (UCHAR)recipient;
break;
/*
USBERR0("invalid recipient\n");
return STATUS_INVALID_PARAMETER;
*/
}
break;
default:
USBERR0("invalid type\n");
return STATUS_INVALID_PARAMETER;
}
USBMSG("request: 0x%02x\n", request);
USBMSG("value: 0x%04x\n", value);
USBMSG("index: 0x%04x\n", index);
USBMSG("size: %d\n", size);
if (direction == USBD_TRANSFER_DIRECTION_IN)
{
USBMSG0("direction: in\n");
}
else
{
USBMSG0("direction: out\n");
}
USBMSG("timeout: %d\n", timeout);
urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST);
urb.UrbControlVendorClassRequest.TransferFlags
= direction | USBD_SHORT_TRANSFER_OK ;
urb.UrbControlVendorClassRequest.TransferBufferLength = size;
urb.UrbControlVendorClassRequest.TransferBufferMDL = NULL;
urb.UrbControlVendorClassRequest.TransferBuffer = buffer;
urb.UrbControlVendorClassRequest.Request = (UCHAR)request;
urb.UrbControlVendorClassRequest.Value = (USHORT)value;
urb.UrbControlVendorClassRequest.Index = (USHORT)index;
// no maximum timeout check for vendor request.
status = call_usbd_ex(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout, 0);
if (!NT_SUCCESS(status) || !USBD_SUCCESS(urb.UrbHeader.Status))
{
USBERR("request failed: status: 0x%x, urb-status: 0x%x\n", status, urb.UrbHeader.Status);
}
else
{
if (direction == USBD_TRANSFER_DIRECTION_IN)
*ret = urb.UrbControlVendorClassRequest.TransferBufferLength;
USBMSG("%d bytes transmitted\n",
urb.UrbControlVendorClassRequest.TransferBufferLength);
}
return status;
}
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