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	REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
		
			
				
	
	
		
			131 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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Common Library  for PEI USB.
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Copyright (c) 2006 - 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 "UsbPeim.h"
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#include "PeiUsbLib.h"
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/**
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  Clear a given usb feature.
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  @param  PeiServices       General-purpose services that are available to every PEIM.
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  @param  UsbIoPpi          Indicates the PEI_USB_IO_PPI instance.
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  @param  Recipient         The recipient of ClearFeature Request, should be one of Device/Interface/Endpoint.
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  @param  Value             Request Value.
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  @param  Target            Request Index.
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  @retval EFI_SUCCESS       Usb feature is cleared successfully.
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  @retval EFI_DEVICE_ERROR  Cannot clear the usb feature due to a hardware error.
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  @retval Others            Other failure occurs.
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**/
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EFI_STATUS
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PeiUsbClearDeviceFeature (
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  IN EFI_PEI_SERVICES   **PeiServices,
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  IN PEI_USB_IO_PPI     *UsbIoPpi,
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  IN EFI_USB_RECIPIENT  Recipient,
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  IN UINT16             Value,
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  IN UINT16             Target
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  )
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{
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  EFI_USB_DEVICE_REQUEST  DevReq;
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  ASSERT (UsbIoPpi != NULL);
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  switch (Recipient) {
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    case EfiUsbDevice:
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      DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_D;
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      break;
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    case EfiUsbInterface:
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      DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_I;
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      break;
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    case EfiUsbEndpoint:
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      DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_E;
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      break;
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  }
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  DevReq.Request = USB_DEV_CLEAR_FEATURE;
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  DevReq.Value   = Value;
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  DevReq.Index   = Target;
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  DevReq.Length  = 0;
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  return UsbIoPpi->UsbControlTransfer (
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                     PeiServices,
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                     UsbIoPpi,
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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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                     );
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}
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/**
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  Clear Endpoint Halt.
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  @param  PeiServices       General-purpose services that are available to every PEIM.
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  @param  UsbIoPpi          Indicates the PEI_USB_IO_PPI instance.
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  @param  EndpointAddress   The endpoint address.
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  @retval EFI_SUCCESS       Endpoint halt is cleared successfully.
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  @retval EFI_DEVICE_ERROR  Cannot clear the endpoint halt status due to a hardware error.
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  @retval Others            Other failure occurs.
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**/
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EFI_STATUS
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PeiUsbClearEndpointHalt (
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  IN EFI_PEI_SERVICES  **PeiServices,
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  IN PEI_USB_IO_PPI    *UsbIoPpi,
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  IN UINT8             EndpointAddress
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  )
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{
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  EFI_STATUS                    Status;
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  EFI_USB_INTERFACE_DESCRIPTOR  *InterfaceDesc;
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  EFI_USB_ENDPOINT_DESCRIPTOR   *EndpointDescriptor;
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  UINT8                         EndpointIndex;
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  //
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  // Check its interface
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  //
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  Status = UsbIoPpi->UsbGetInterfaceDescriptor (
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                       PeiServices,
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                       UsbIoPpi,
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                       &InterfaceDesc
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                       );
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  if (EFI_ERROR (Status)) {
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    return Status;
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  }
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  for (EndpointIndex = 0; EndpointIndex < InterfaceDesc->NumEndpoints; EndpointIndex++) {
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    Status = UsbIoPpi->UsbGetEndpointDescriptor (PeiServices, UsbIoPpi, EndpointIndex, &EndpointDescriptor);
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    if (EFI_ERROR (Status)) {
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      return EFI_INVALID_PARAMETER;
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    }
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    if (EndpointDescriptor->EndpointAddress == EndpointAddress) {
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      break;
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    }
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  }
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  if (EndpointIndex == InterfaceDesc->NumEndpoints) {
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    return EFI_INVALID_PARAMETER;
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  }
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  Status = PeiUsbClearDeviceFeature (
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             PeiServices,
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             UsbIoPpi,
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             EfiUsbEndpoint,
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             EfiUsbEndpointHalt,
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             EndpointAddress
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             );
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  return Status;
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}
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