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-rw-r--r--usb/driver/vendor_request.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/usb/driver/vendor_request.c b/usb/driver/vendor_request.c
new file mode 100644
index 0000000..f3a898b
--- /dev/null
+++ b/usb/driver/vendor_request.c
@@ -0,0 +1,143 @@
+/* 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;
+}
+