mirror of https://github.com/acidanthera/audk.git
419 lines
23 KiB
C
419 lines
23 KiB
C
/** @file
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EFI Usb I/O Protocol
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: UsbIo.h
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**/
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#ifndef __USB_IO_H__
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#define __USB_IO_H__
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//
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// Global ID for the USB I/O Protocol
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//
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#define EFI_USB_IO_PROTOCOL_GUID \
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{ \
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0x2B2F68D6, 0x0CD2, 0x44cf, {0x8E, 0x8B, 0xBB, 0xA2, 0x0B, 0x1B, 0x5B, 0x75 } \
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}
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typedef struct _EFI_USB_IO_PROTOCOL EFI_USB_IO_PROTOCOL;
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/**
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Async USB transfer callback routine.
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@param Data Data received or sent via the USB Asynchronous Transfer, if the
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transfer completed successfully.
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@param DataLength The length of Data received or sent via the Asynchronous
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Transfer, if transfer successfully completes.
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@param Context Data passed from UsbAsyncInterruptTransfer() request.
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@param Status Indicates the result of the asynchronous transfer.
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@retval EFI_SUCCESS The asynchronous USB transfer request has been successfully executed.
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@retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_ASYNC_USB_TRANSFER_CALLBACK) (
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IN VOID *Data,
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IN UINTN DataLength,
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IN VOID *Context,
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IN UINT32 Status
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);
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//
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// Prototype for EFI USB I/O protocol
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//
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/**
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This function is used to manage a USB device with a control transfer pipe. A control transfer is
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typically used to perform device initialization and configuration.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param Request A pointer to the USB device request that will be sent to the USB
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device.
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@param Direction Indicates the data direction.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param Timeout Indicating the transfer should be completed within this time frame.
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The units are in milliseconds.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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@param Status A pointer to the result of the USB transfer.
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@retval EFI_SUCCESS The control transfer has been successfully executed.
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@retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status.
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@retval EFI_INVALID_PARAMETE One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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@retval EFI_TIMEOUT The control transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_CONTROL_TRANSFER) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN EFI_USB_DEVICE_REQUEST *Request,
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IN EFI_USB_DATA_DIRECTION Direction,
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IN UINT32 Timeout,
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IN OUT VOID *Data OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with the bulk transfer pipe. Bulk Transfers are
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typically used to transfer large amounts of data to/from USB devices.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint A pointer to the USB device request that will be sent to the USB
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device.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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@param Timeout Indicating the transfer should be completed within this time frame.
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The units are in milliseconds.
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@param Status This parameter indicates the USB transfer status.
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@retval EFI_SUCCESS The bulk transfer has been successfully executed.
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@retval EFI_DEVICE_ERROR The transfer failed. The transfer status is returned in Status.
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@retval EFI_INVALID_PARAMETE One or more parameters are invalid.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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@retval EFI_TIMEOUT The control transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_BULK_TRANSFER) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN UINTN Timeout,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with an interrupt transfer pipe. An Asynchronous
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Interrupt Transfer is typically used to query a device's status at a fixed rate. For example,
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keyboard, mouse, and hub devices use this type of transfer to query their interrupt endpoints at
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a fixed rate.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint A pointer to the USB device request that will be sent to the USB
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device.
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@param IsNewTransfer If TRUE, a new transfer will be submitted to USB controller. If
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FALSE, the interrupt transfer is deleted from the device's interrupt
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transfer queue.
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@param PollingInterval Indicates the periodic rate, in milliseconds, that the transfer is to be
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executed.
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@param DataLength Specifies the length, in bytes, of the data to be received from the
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USB device.
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@param Context Data passed to the InterruptCallback function.
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@param InterruptCallback The Callback function. This function is called if the asynchronous
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interrupt transfer is completed.
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@retval EFI_SUCCESS The asynchronous USB transfer request transfer has been successfully executed.
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@retval EFI_DEVICE_ERROR The asynchronous USB transfer request failed.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN BOOLEAN IsNewTransfer,
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IN UINTN PollingInterval OPTIONAL,
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IN UINTN DataLength OPTIONAL,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK InterruptCallBack OPTIONAL,
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IN VOID *Context OPTIONAL
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);
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/**
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This function is used to manage a USB device with an interrupt transfer pipe.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint A pointer to the USB device request that will be sent to the USB
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device.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength On input, then size, in bytes, of the buffer Data. On output, the
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amount of data actually transferred.
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@param Timeout The time out, in seconds, for this transfer.
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@param Status This parameter indicates the USB transfer status.
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@retval EFI_SUCCESS The sync interrupt transfer has been successfully executed.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_DEVICE_ERROR The sync interrupt transfer request failed.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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@retval EFI_TIMEOUT The transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_SYNC_INTERRUPT_TRANSFER) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN OUT UINTN *DataLength,
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IN UINTN Timeout,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous
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transfer is typically used to transfer streaming data.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint A pointer to the USB device request that will be sent to the USB
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device.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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@param Status This parameter indicates the USB transfer status.
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@retval EFI_SUCCESS The isochronous transfer has been successfully executed.
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@retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid.
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@retval EFI_DEVICE_ERROR The transfer failed due to the reason other than timeout, The error status
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is returned in Status.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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@retval EFI_TIMEOUT The transfer fails due to timeout.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_ISOCHRONOUS_TRANSFER) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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OUT UINT32 *Status
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);
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/**
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This function is used to manage a USB device with an isochronous transfer pipe. An Isochronous
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transfer is typically used to transfer streaming data.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceEndpoint A pointer to the USB device request that will be sent to the USB
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device.
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@param Data A pointer to the buffer of data that will be transmitted to USB
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device or received from USB device.
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@param DataLength The size, in bytes, of the data buffer specified by Data.
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@param Context Data passed to the IsochronousCallback() function.
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@param IsochronousCallback The IsochronousCallback() function.
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@retval EFI_SUCCESS The asynchronous isochronous transfer has been successfully submitted
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to the system.
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@retval EFI_INVALID_PARAMETER The parameter DeviceEndpoint is not valid.
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@retval EFI_OUT_OF_RESOURCES The request could not be submitted due to a lack of resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 DeviceEndpoint,
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IN OUT VOID *Data,
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IN UINTN DataLength,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,
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IN VOID *Context OPTIONAL
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);
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/**
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Resets and reconfigures the USB controller. This function will work for all USB devices except
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USB Hub Controllers.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@retval EFI_SUCCESS The USB controller was reset.
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@retval EFI_INVALID_PARAMETER If the controller specified by This is a USB hub.
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@retval EFI_DEVICE_ERROR An error occurred during the reconfiguration process.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_PORT_RESET) (
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IN EFI_USB_IO_PROTOCOL *This
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);
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/**
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Retrieves the USB Device Descriptor.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param DeviceDescriptor A pointer to the caller allocated USB Device Descriptor.
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@retval EFI_SUCCESS The device descriptor was retrieved successfully.
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@retval EFI_INVALID_PARAMETER DeviceDescriptor is NULL.
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@retval EFI_NOT_FOUND The device descriptor was not found. The device may not be configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_DEVICE_DESCRIPTOR) (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_DEVICE_DESCRIPTOR *DeviceDescriptor
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);
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/**
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Retrieves the USB Device Descriptor.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param ConfigurationDescriptor A pointer to the caller allocated USB Active Configuration
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Descriptor.
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@retval EFI_SUCCESS The active configuration descriptor was retrieved successfully.
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@retval EFI_INVALID_PARAMETER ConfigurationDescriptor is NULL.
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@retval EFI_NOT_FOUND An active configuration descriptor cannot be found. The device may not
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be configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_CONFIG_DESCRIPTOR) (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_CONFIG_DESCRIPTOR *ConfigurationDescriptor
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);
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/**
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Retrieves the Interface Descriptor for a USB Device Controller. As stated earlier, an interface
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within a USB device is equivalently to a USB Controller within the current configuration.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param InterfaceDescriptor A pointer to the caller allocated USB Interface Descriptor within
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the configuration setting.
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@retval EFI_SUCCESS The interface descriptor retrieved successfully.
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@retval EFI_INVALID_PARAMETER InterfaceDescriptor is NULL.
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@retval EFI_NOT_FOUND The interface descriptor cannot be found. The device may not be
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correctly configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_INTERFACE_DESCRIPTOR) (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT EFI_USB_INTERFACE_DESCRIPTOR *InterfaceDescriptor
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);
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/**
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Retrieves an Endpoint Descriptor within a USB Controller.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param EndpointIndex Indicates which endpoint descriptor to retrieve.
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@param EndpointDescriptor A pointer to the caller allocated USB Endpoint Descriptor of
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a USB controller.
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@retval EFI_SUCCESS The endpoint descriptor was retrieved successfully.
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@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
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@retval EFI_NOT_FOUND The endpoint descriptor cannot be found. The device may not be
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correctly configured.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT8 EndpointIndex,
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OUT EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor
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);
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/**
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Retrieves a Unicode string stored in a USB Device.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param LangID The Language ID for the string being retrieved.
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@param StringID The ID of the string being retrieved.
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@param String A pointer to a buffer allocated by this function with
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AllocatePool() to store the string.
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@retval EFI_SUCCESS The string was retrieved successfully.
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@retval EFI_NOT_FOUND The string specified by LangID and StringID was not found.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the return buffer String.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_STRING_DESCRIPTOR) (
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IN EFI_USB_IO_PROTOCOL *This,
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IN UINT16 LangID,
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IN UINT8 StringID,
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OUT CHAR16 **String
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);
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/**
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Retrieves all the language ID codes that the USB device supports.
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@param This A pointer to the EFI_USB_IO_PROTOCOL instance.
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@param LangIDTable Language ID for the string the caller wants to get.
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@param TableSize The size, in bytes, of the table LangIDTable.
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@retval EFI_SUCCESS The support languages were retrieved successfully.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_USB_IO_GET_SUPPORTED_LANGUAGE) (
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IN EFI_USB_IO_PROTOCOL *This,
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OUT UINT16 **LangIDTable,
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OUT UINT16 *TableSize
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);
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//
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// Protocol Interface Structure
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//
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struct _EFI_USB_IO_PROTOCOL {
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//
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// IO transfer
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//
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EFI_USB_IO_CONTROL_TRANSFER UsbControlTransfer;
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EFI_USB_IO_BULK_TRANSFER UsbBulkTransfer;
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EFI_USB_IO_ASYNC_INTERRUPT_TRANSFER UsbAsyncInterruptTransfer;
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EFI_USB_IO_SYNC_INTERRUPT_TRANSFER UsbSyncInterruptTransfer;
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EFI_USB_IO_ISOCHRONOUS_TRANSFER UsbIsochronousTransfer;
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EFI_USB_IO_ASYNC_ISOCHRONOUS_TRANSFER UsbAsyncIsochronousTransfer;
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//
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// Common device request
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//
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EFI_USB_IO_GET_DEVICE_DESCRIPTOR UsbGetDeviceDescriptor;
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EFI_USB_IO_GET_CONFIG_DESCRIPTOR UsbGetConfigDescriptor;
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EFI_USB_IO_GET_INTERFACE_DESCRIPTOR UsbGetInterfaceDescriptor;
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EFI_USB_IO_GET_ENDPOINT_DESCRIPTOR UsbGetEndpointDescriptor;
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EFI_USB_IO_GET_STRING_DESCRIPTOR UsbGetStringDescriptor;
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EFI_USB_IO_GET_SUPPORTED_LANGUAGE UsbGetSupportedLanguages;
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//
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// Reset controller's parent port
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//
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EFI_USB_IO_PORT_RESET UsbPortReset;
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};
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extern EFI_GUID gEfiUsbIoProtocolGuid;
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#endif
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