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251 lines
12 KiB
C
251 lines
12 KiB
C
/** @file
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Defines the USB Host Controller PPI that provides I/O services for a USB Host
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Controller that may be used to access recovery devices. These interfaces are
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modeled on the UEFI 2.3 specification EFI_USB2_HOST_CONTROLLER_PROTOCOL.
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Refer to section 16.1 of the UEFI 2.3 Specification for more information on
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these interfaces.
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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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#ifndef _PEI_USB_HOST_CONTROLLER_PPI_H_
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#define _PEI_USB_HOST_CONTROLLER_PPI_H_
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#include <Protocol/Usb2HostController.h>
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///
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/// Global ID for the PEI_USB_HOST_CONTROLLER_PPI.
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///
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#define PEI_USB_HOST_CONTROLLER_PPI_GUID \
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{ \
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0x652b38a9, 0x77f4, 0x453f, { 0x89, 0xd5, 0xe7, 0xbd, 0xc3, 0x52, 0xfc, 0x53} \
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}
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///
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/// Forward declaration for the PEI_USB_HOST_CONTROLLER_PPI.
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///
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typedef struct _PEI_USB_HOST_CONTROLLER_PPI PEI_USB_HOST_CONTROLLER_PPI;
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/**
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Initiate a USB control transfer using a specific USB Host controller on the USB bus.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the
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PEI_USB_HOST_CONTROLLER_PPI.
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@param[in] DeviceAddress Represents the address of the target device
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on the USB.
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@param[in] DeviceSpeed Indicates device speed.
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@param[in] MaximumPacketLength Indicates the maximum packet size that the
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default control transfer
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endpoint is capable of sending or receiving.
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@param[in] Request A pointer to the USB device request that
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will be sent to the USB device.
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@param[in] TransferDirection Specifies the data direction for the transfer.
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There are three values available:
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EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.
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@param[in,out] Data A pointer to the buffer of data that will
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be transmitted to USB device or
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received from USB device.
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@param[in,out] DataLength On input, indicates the size, in bytes, of
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the data buffer specified by Data.
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On output, indicates the amount of data
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actually transferred.
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@param[in] TimeOut Indicates the maximum time, in milliseconds,
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that the transfer is allowed to complete.
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If Timeout is 0, then the caller must wait for
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the function to be completed until EFI_SUCCESS
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or EFI_DEVICE_ERROR is returned.
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@param[out] TransferResult A pointer to the detailed result information
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generated by this control transfer.
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@retval EFI_DEVICE_ERROR The control transfer failed due to host controller
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or device error.
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@retval EFI_SUCCESS The control transfer was completed successfully.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_USB_HOST_CONTROLLER_CONTROL_TRANSFER)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_HOST_CONTROLLER_PPI *This,
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IN UINT8 DeviceAddress,
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IN UINT8 DeviceSpeed,
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IN UINT8 MaximumPacketLength,
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IN USB_DEVICE_REQUEST *Request,
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IN EFI_USB_DATA_DIRECTION TransferDirection,
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IN OUT VOID *Data OPTIONAL,
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IN OUT UINTN *DataLength OPTIONAL,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Initiate a USB bulk transfer using a specific USB Host controller on the USB bus.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the
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PEI_USB_HOST_CONTROLLER_PPI.
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@param[in] DeviceAddress Represents the address of the target device
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on the USB.
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@param[in] EndPointAddress The combination of an endpoint number and
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an endpoint direction of the target USB device.
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@param[in] MaximumPacketLength Indicates the maximum packet size the target
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endpoint is capable of sending or receiving.
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@param[in,out] Data Array of pointers to the buffers of data
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that will be transmitted to USB device or
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received from USB device.
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@param[in,out] DataLength When input, indicates the size, in bytes, of
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the data buffers specified by Data. When output,
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indicates the data size actually transferred.
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@param[in,out] DataToggle A pointer to the data toggle value.
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@param[in] TimeOut Indicates the maximum time, in milliseconds,
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in which the transfer is allowed to complete.
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If Timeout is 0, then the caller must wait for
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the function to be completed until EFI_SUCCESS
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or EFI_DEVICE_ERROR is returned.
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@param[out] TransferResult A pointer to the detailed result information
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of the bulk transfer.
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@retval EFI_SUCCESS The bulk transfer was completed successfully.
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@retval EFI_DEVICE_ERROR The bulk transfer failed due to host controller or device error.
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Caller should check TransferResult for detailed error information.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_USB_HOST_CONTROLLER_BULK_TRANSFER)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_HOST_CONTROLLER_PPI *This,
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IN UINT8 DeviceAddress,
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IN UINT8 EndPointAddress,
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IN UINT8 MaximumPacketLength,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN OUT UINT8 *DataToggle,
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IN UINTN TimeOut,
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OUT UINT32 *TransferResult
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);
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/**
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Retrieves the number of root hub ports.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the
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PEI_USB_HOST_CONTROLLER_PPI.
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@param[out] PortNumber The pointer to the number of the root hub ports.
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@retval EFI_SUCCESS The port number was retrieved successfully.
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@retval EFI_DEVICE_ERROR An error was encountered while attempting to retrieve
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the port number.
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@retval EFI_INVALID_PARAMETER PortNumber is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_HOST_CONTROLLER_PPI *This,
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OUT UINT8 *PortNumber
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);
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/**
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Retrieves the current status of a USB root hub port.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the
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PEI_USB_HOST_CONTROLLER_PPI.
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@param[in] PortNumber Specifies the root hub port from which the status is
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to be retrieved.
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This value is zero based.
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@param[out] PortStatus A pointer to the current port status bits and port
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status change bits.
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@retval EFI_SUCCESS The status of the USB root hub port specified by
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PortNumber was returned in PortStatus.
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@retval EFI_INVALID_PARAMETER PortNumber is invalid.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_HOST_CONTROLLER_PPI *This,
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IN UINT8 PortNumber,
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OUT EFI_USB_PORT_STATUS *PortStatus
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);
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/**
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Sets a feature for the specified root hub port.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the
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PEI_USB_HOST_CONTROLLER_PPI.
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@param[in] PortNumber Specifies the root hub port whose feature is requested
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to be set. This value is zero based.
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@param[in] PortFeature Indicates the feature selector associated with the feature
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set request.
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@retval EFI_SUCCESS The feature specified by PortFeature was set for
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the USB root hub port specified by PortNumber.
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@retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid
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for this function.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_USB_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_HOST_CONTROLLER_PPI *This,
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IN UINT8 PortNumber,
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IN EFI_USB_PORT_FEATURE PortFeature
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);
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/**
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Clears a feature for the specified root hub port.
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@param[in] PeiServices The pointer to the PEI Services Table.
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@param[in] This The pointer to this instance of the
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PEI_USB_HOST_CONTROLLER_PPI.
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@param[in] PortNumber Specifies the root hub port whose feature is
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requested to be cleared.
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@param[in] PortFeature Indicates the feature selector associated with the
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feature clear request.
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@return EFI_SUCCESS The feature specified by PortFeature was cleared
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for the USB root hub port specified by PortNumber.
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@return EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
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@return EFI_DEVICE_ERROR Can't read the register.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *PEI_USB_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE)(
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IN EFI_PEI_SERVICES **PeiServices,
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IN PEI_USB_HOST_CONTROLLER_PPI *This,
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IN UINT8 PortNumber,
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IN EFI_USB_PORT_FEATURE PortFeature
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);
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///
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/// This PPI contains a set of services to interact with the USB host controller.
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/// These interfaces are modeled on the UEFI 2.3 specification protocol
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/// EFI_USB2_HOST_CONTROLLER_PROTOCOL. Refer to section 16.1 of the UEFI 2.3
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/// Specification for more information on these interfaces.
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///
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struct _PEI_USB_HOST_CONTROLLER_PPI {
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PEI_USB_HOST_CONTROLLER_CONTROL_TRANSFER ControlTransfer;
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PEI_USB_HOST_CONTROLLER_BULK_TRANSFER BulkTransfer;
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PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER GetRootHubPortNumber;
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PEI_USB_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS GetRootHubPortStatus;
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PEI_USB_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE SetRootHubPortFeature;
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PEI_USB_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE ClearRootHubPortFeature;
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};
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extern EFI_GUID gPeiUsbHostControllerPpiGuid;
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#endif
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