mirror of https://github.com/acidanthera/audk.git
666 lines
21 KiB
C
666 lines
21 KiB
C
/** @file
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The library provides the USB Standard Device Requests defined
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in Usb specification 9.4 section.
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Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "UefiUsbLibInternal.h"
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/**
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Get the descriptor of the specified USB device.
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Submit a USB get descriptor request for the USB device specified by UsbIo, Value,
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and Index, and return the descriptor in the buffer specified by Descriptor.
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The status of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If Descriptor is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Value The device request value.
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@param Index The device request index.
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@param DescriptorLength The size, in bytes, of Descriptor.
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@param Descriptor A pointer to the descriptor buffer to get.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed because the
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buffer specified by DescriptorLength and Descriptor
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is not large enough to hold the result of the request.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error. The transfer
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status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetDescriptor (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT16 Value,
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IN UINT16 Index,
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IN UINT16 DescriptorLength,
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OUT VOID *Descriptor,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (Descriptor != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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DevReq.RequestType = USB_DEV_GET_DESCRIPTOR_REQ_TYPE;
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DevReq.Request = USB_REQ_GET_DESCRIPTOR;
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DevReq.Value = Value;
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DevReq.Index = Index;
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DevReq.Length = DescriptorLength;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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Descriptor,
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DescriptorLength,
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Status
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);
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}
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/**
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Set the descriptor of the specified USB device.
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Submit a USB set descriptor request for the USB device specified by UsbIo,
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Value, and Index, and set the descriptor using the buffer specified by DesriptorLength
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and Descriptor. The status of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If Descriptor is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Value The device request value.
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@param Index The device request index.
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@param DescriptorLength The size, in bytes, of Descriptor.
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@param Descriptor A pointer to the descriptor buffer to set.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetDescriptor (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT16 Value,
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IN UINT16 Index,
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IN UINT16 DescriptorLength,
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IN VOID *Descriptor,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (Descriptor != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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DevReq.RequestType = USB_DEV_SET_DESCRIPTOR_REQ_TYPE;
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DevReq.Request = USB_REQ_SET_DESCRIPTOR;
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DevReq.Value = Value;
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DevReq.Index = Index;
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DevReq.Length = DescriptorLength;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbDataOut,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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Descriptor,
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DescriptorLength,
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Status
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);
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}
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/**
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Get the interface setting of the specified USB device.
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Submit a USB get interface request for the USB device specified by UsbIo,
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and Interface, and place the result in the buffer specified by AlternateSetting.
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The status of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If AlternateSetting is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The interface index value.
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@param AlternateSetting A pointer to the alternate setting to be retrieved.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetInterface (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT16 Interface,
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OUT UINT16 *AlternateSetting,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (AlternateSetting != NULL);
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ASSERT (Status != NULL);
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*AlternateSetting = 0;
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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DevReq.RequestType = USB_DEV_GET_INTERFACE_REQ_TYPE;
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DevReq.Request = USB_REQ_GET_INTERFACE;
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DevReq.Index = Interface;
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DevReq.Length = 1;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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AlternateSetting,
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1,
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Status
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);
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}
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/**
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Set the interface setting of the specified USB device.
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Submit a USB set interface request for the USB device specified by UsbIo, and
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Interface, and set the alternate setting to the value specified by AlternateSetting.
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The status of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Interface The interface index value.
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@param AlternateSetting The alternate setting to be set.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_SUCCESS The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetInterface (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT16 Interface,
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IN UINT16 AlternateSetting,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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DevReq.RequestType = USB_DEV_SET_INTERFACE_REQ_TYPE;
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DevReq.Request = USB_REQ_SET_INTERFACE;
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DevReq.Value = AlternateSetting;
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DevReq.Index = Interface;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0,
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Status
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);
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}
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/**
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Get the device configuration.
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Submit a USB get configuration request for the USB device specified by UsbIo
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and place the result in the buffer specified by ConfigurationValue. The status
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of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If ConfigurationValue is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param ConfigurationValue A pointer to the device configuration to be retrieved.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetConfiguration (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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OUT UINT16 *ConfigurationValue,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (ConfigurationValue != NULL);
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ASSERT (Status != NULL);
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*ConfigurationValue = 0;
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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DevReq.RequestType = USB_DEV_GET_CONFIGURATION_REQ_TYPE;
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DevReq.Request = USB_REQ_GET_CONFIG;
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DevReq.Length = 1;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbDataIn,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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ConfigurationValue,
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1,
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Status
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);
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}
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/**
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Set the device configuration.
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Submit a USB set configuration request for the USB device specified by UsbIo
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and set the device configuration to the value specified by ConfigurationValue.
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The status of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param ConfigurationValue The device configuration value to be set.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetConfiguration (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN UINT16 ConfigurationValue,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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DevReq.RequestType = USB_DEV_SET_CONFIGURATION_REQ_TYPE;
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DevReq.Request = USB_REQ_SET_CONFIG;
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DevReq.Value = ConfigurationValue;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0,
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Status
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);
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}
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/**
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Set the specified feature of the specified device.
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Submit a USB set device feature request for the USB device specified by UsbIo,
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Recipient, and Target to the value specified by Value. The status of the
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transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Recipient The USB data recipient type (i.e. Device, Interface, Endpoint).
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Type USB_TYPES_DEFINITION is defined in the MDE Package Industry
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Standard include file Usb.h.
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@param Value The value of the feature to be set.
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@param Target The index of the device to be set.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbSetFeature (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN USB_TYPES_DEFINITION Recipient,
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IN UINT16 Value,
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IN UINT16 Target,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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switch (Recipient) {
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case USB_TARGET_DEVICE:
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DevReq.RequestType = USB_DEV_SET_FEATURE_REQ_TYPE_D;
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break;
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case USB_TARGET_INTERFACE:
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DevReq.RequestType = USB_DEV_SET_FEATURE_REQ_TYPE_I;
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break;
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case USB_TARGET_ENDPOINT:
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DevReq.RequestType = USB_DEV_SET_FEATURE_REQ_TYPE_E;
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break;
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default:
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break;
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}
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//
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// Fill device request, see USB1.1 spec
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//
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DevReq.Request = USB_REQ_SET_FEATURE;
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DevReq.Value = Value;
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DevReq.Index = Target;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0,
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Status
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);
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}
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/**
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Clear the specified feature of the specified device.
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Submit a USB clear device feature request for the USB device specified by UsbIo,
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Recipient, and Target to the value specified by Value. The status of the transfer
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is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Recipient The USB data recipient type (i.e. Device, Interface, Endpoint).
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Type USB_TYPES_DEFINITION is defined in the MDE Package Industry Standard
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include file Usb.h.
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@param Value The value of the feature to be cleared.
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@param Target The index of the device to be cleared.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbClearFeature (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN USB_TYPES_DEFINITION Recipient,
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IN UINT16 Value,
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IN UINT16 Target,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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switch (Recipient) {
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case USB_TARGET_DEVICE:
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DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_D;
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break;
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case USB_TARGET_INTERFACE:
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DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_I;
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break;
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case USB_TARGET_ENDPOINT:
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DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_E;
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break;
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default:
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break;
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}
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//
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// Fill device request, see USB1.1 spec
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//
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DevReq.Request = USB_REQ_CLEAR_FEATURE;
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DevReq.Value = Value;
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DevReq.Index = Target;
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return UsbIo->UsbControlTransfer (
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UsbIo,
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&DevReq,
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EfiUsbNoData,
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PcdGet32 (PcdUsbTransferTimeoutValue),
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NULL,
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0,
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Status
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);
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}
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/**
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Get the status of the specified device.
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Submit a USB device get status request for the USB device specified by UsbIo,
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Recipient, and Target and place the result in the buffer specified by DeviceStatus.
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The status of the transfer is returned in Status.
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If UsbIo is NULL, then ASSERT().
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If DeviceStatus is NULL, then ASSERT().
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If Status is NULL, then ASSERT().
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@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
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@param Recipient The USB data recipient type (i.e. Device, Interface, Endpoint).
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Type USB_TYPES_DEFINITION is defined in the MDE Package Industry Standard
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include file Usb.h.
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@param Target The index of the device to be get the status of.
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@param DeviceStatus A pointer to the device status to be retrieved.
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@param Status A pointer to the status of the transfer.
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@retval EFI_SUCCESS The request executed successfully.
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@retval EFI_TIMEOUT A timeout occurred executing the request.
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@retval EFI_DEVICE_ERROR The request failed due to a device error.
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The transfer status is returned in Status.
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**/
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EFI_STATUS
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EFIAPI
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UsbGetStatus (
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IN EFI_USB_IO_PROTOCOL *UsbIo,
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IN USB_TYPES_DEFINITION Recipient,
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IN UINT16 Target,
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OUT UINT16 *DeviceStatus,
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OUT UINT32 *Status
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)
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{
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EFI_USB_DEVICE_REQUEST DevReq;
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ASSERT (UsbIo != NULL);
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ASSERT (DeviceStatus != NULL);
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ASSERT (Status != NULL);
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ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
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switch (Recipient) {
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case USB_TARGET_DEVICE:
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DevReq.RequestType = USB_DEV_GET_STATUS_REQ_TYPE_D;
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break;
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case USB_TARGET_INTERFACE:
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DevReq.RequestType = USB_DEV_GET_STATUS_REQ_TYPE_I;
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break;
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case USB_TARGET_ENDPOINT:
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DevReq.RequestType = USB_DEV_GET_STATUS_REQ_TYPE_E;
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break;
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default:
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break;
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}
|
|
//
|
|
// Fill device request, see USB1.1 spec
|
|
//
|
|
DevReq.Request = USB_REQ_GET_STATUS;
|
|
DevReq.Value = 0;
|
|
DevReq.Index = Target;
|
|
DevReq.Length = 2;
|
|
|
|
return UsbIo->UsbControlTransfer (
|
|
UsbIo,
|
|
&DevReq,
|
|
EfiUsbDataIn,
|
|
PcdGet32 (PcdUsbTransferTimeoutValue),
|
|
DeviceStatus,
|
|
2,
|
|
Status
|
|
);
|
|
}
|
|
|
|
|
|
/**
|
|
Clear halt feature of the specified usb endpoint.
|
|
|
|
Retrieve the USB endpoint descriptor specified by UsbIo and EndPoint.
|
|
If the USB endpoint descriptor can not be retrieved, then return EFI_NOT_FOUND.
|
|
If the endpoint descriptor is found, then clear the halt feature of this USB endpoint.
|
|
The status of the transfer is returned in Status.
|
|
If UsbIo is NULL, then ASSERT().
|
|
If Status is NULL, then ASSERT().
|
|
|
|
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
|
|
@param Endpoint The endpoint address.
|
|
@param Status A pointer to the status of the transfer.
|
|
|
|
@retval EFI_SUCCESS The request executed successfully.
|
|
@retval EFI_TIMEOUT A timeout occurred executing the request.
|
|
@retval EFI_DEVICE_ERROR The request failed due to a device error.
|
|
The transfer status is returned in Status.
|
|
@retval EFI_NOT_FOUND The specified USB endpoint descriptor can not be found
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
UsbClearEndpointHalt (
|
|
IN EFI_USB_IO_PROTOCOL *UsbIo,
|
|
IN UINT8 Endpoint,
|
|
OUT UINT32 *Status
|
|
)
|
|
{
|
|
EFI_STATUS Result;
|
|
EFI_USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
|
|
EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
|
|
UINT8 Index;
|
|
|
|
ASSERT (UsbIo != NULL);
|
|
ASSERT (Status != NULL);
|
|
|
|
ZeroMem (&EndpointDescriptor, sizeof (EFI_USB_ENDPOINT_DESCRIPTOR));
|
|
//
|
|
// First search the endpoint descriptor for that endpoint addr
|
|
//
|
|
Result = UsbIo->UsbGetInterfaceDescriptor (
|
|
UsbIo,
|
|
&InterfaceDescriptor
|
|
);
|
|
if (EFI_ERROR (Result)) {
|
|
return Result;
|
|
}
|
|
|
|
for (Index = 0; Index < InterfaceDescriptor.NumEndpoints; Index++) {
|
|
Result = UsbIo->UsbGetEndpointDescriptor (
|
|
UsbIo,
|
|
Index,
|
|
&EndpointDescriptor
|
|
);
|
|
if (EFI_ERROR (Result)) {
|
|
continue;
|
|
}
|
|
|
|
if (EndpointDescriptor.EndpointAddress == Endpoint) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Index == InterfaceDescriptor.NumEndpoints) {
|
|
//
|
|
// No such endpoint
|
|
//
|
|
return EFI_NOT_FOUND;
|
|
}
|
|
|
|
Result = UsbClearFeature (
|
|
UsbIo,
|
|
USB_TARGET_ENDPOINT,
|
|
USB_FEATURE_ENDPOINT_HALT,
|
|
EndpointDescriptor.EndpointAddress,
|
|
Status
|
|
);
|
|
|
|
return Result;
|
|
}
|