/** @file
The library provides USB HID Class standard and specific requests defined
in USB HID Firmware Specification 7 section : Requests.
Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "UefiUsbLibInternal.h"
//
// Hid RequestType Bits specifying characteristics of request.
// Valid values are 10100001b (0xa1) or 00100001b (0x21).
// The following description:
// 7 Data transfer direction
// 0 = Host to device
// 1 = Device to host
// 6..5 Type
// 1 = Class
// 4..0 Recipient
// 1 = Interface
//
/**
Get the descriptor of the specified USB HID interface.
Submit a USB get HID descriptor request for the USB device specified by UsbIo
and Interface and return the HID descriptor in HidDescriptor.
If UsbIo is NULL, then ASSERT().
If HidDescriptor is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the HID interface on the USB target.
@param HidDescriptor The pointer to the USB HID descriptor that was retrieved from
the specified USB target and interface. Type EFI_USB_HID_DESCRIPTOR
is defined in the MDE Package Industry Standard include file Usb.h.
@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.
**/
EFI_STATUS
EFIAPI
UsbGetHidDescriptor (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
OUT EFI_USB_HID_DESCRIPTOR *HidDescriptor
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT(UsbIo != NULL);
ASSERT(HidDescriptor != NULL);
Request.RequestType = USB_HID_GET_DESCRIPTOR_REQ_TYPE;
Request.Request = USB_REQ_GET_DESCRIPTOR;
Request.Value = (UINT16) (USB_DESC_TYPE_HID << 8);
Request.Index = Interface;
Request.Length = (UINT16) sizeof (EFI_USB_HID_DESCRIPTOR);
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
PcdGet32 (PcdUsbTransferTimeoutValue),
HidDescriptor,
sizeof (EFI_USB_HID_DESCRIPTOR),
&Status
);
return Result;
}
/**
Get the report descriptor of the specified USB HID interface.
Submit a USB get HID report descriptor request for the USB device specified by
UsbIo and Interface and return the report descriptor in DescriptorBuffer.
If UsbIo is NULL, then ASSERT().
If DescriptorBuffer is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param DescriptorLength The size, in bytes, of DescriptorBuffer.
@param DescriptorBuffer A pointer to the buffer to store the report class descriptor.
@retval EFI_SUCCESS The request executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be completed because the
buffer specified by DescriptorLength and DescriptorBuffer
is not large enough to hold the result of the request.
@retval EFI_TIMEOUT A timeout occurred executing the request.
@retval EFI_DEVICE_ERROR The request failed due to a device error.
**/
EFI_STATUS
EFIAPI
UsbGetReportDescriptor (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT16 DescriptorLength,
OUT UINT8 *DescriptorBuffer
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
ASSERT (DescriptorBuffer != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_GET_DESCRIPTOR_REQ_TYPE;
Request.Request = USB_REQ_GET_DESCRIPTOR;
Request.Value = (UINT16) (USB_DESC_TYPE_REPORT << 8);
Request.Index = Interface;
Request.Length = DescriptorLength;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
PcdGet32 (PcdUsbTransferTimeoutValue),
DescriptorBuffer,
DescriptorLength,
&Status
);
return Result;
}
/**
Get the HID protocol of the specified USB HID interface.
Submit a USB get HID protocol request for the USB device specified by UsbIo
and Interface and return the protocol retrieved in Protocol.
If UsbIo is NULL, then ASSERT().
If Protocol is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param Protocol A pointer to the protocol for the specified USB target.
@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.
**/
EFI_STATUS
EFIAPI
UsbGetProtocolRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
OUT UINT8 *Protocol
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
ASSERT (Protocol != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_CLASS_GET_REQ_TYPE;
Request.Request = EFI_USB_GET_PROTOCOL_REQUEST;
Request.Value = 0;
Request.Index = Interface;
Request.Length = 1;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
PcdGet32 (PcdUsbTransferTimeoutValue),
Protocol,
sizeof (UINT8),
&Status
);
return Result;
}
/**
Set the HID protocol of the specified USB HID interface.
Submit a USB set HID protocol request for the USB device specified by UsbIo
and Interface and set the protocol to the value specified by Protocol.
If UsbIo is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param Protocol The protocol value to set for the specified USB target.
@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.
**/
EFI_STATUS
EFIAPI
UsbSetProtocolRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 Protocol
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_CLASS_SET_REQ_TYPE;
Request.Request = EFI_USB_SET_PROTOCOL_REQUEST;
Request.Value = Protocol;
Request.Index = Interface;
Request.Length = 0;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbNoData,
PcdGet32 (PcdUsbTransferTimeoutValue),
NULL,
0,
&Status
);
return Result;
}
/**
Set the idle rate of the specified USB HID report.
Submit a USB set HID report idle request for the USB device specified by UsbIo,
Interface, and ReportId, and set the idle rate to the value specified by Duration.
If UsbIo is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param ReportId The identifier of the report to retrieve.
@param Duration The idle rate to set for the specified USB target.
@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.
**/
EFI_STATUS
EFIAPI
UsbSetIdleRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
IN UINT8 Duration
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_CLASS_SET_REQ_TYPE;
Request.Request = EFI_USB_SET_IDLE_REQUEST;
Request.Value = (UINT16) ((Duration << 8) | ReportId);
Request.Index = Interface;
Request.Length = 0;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbNoData,
PcdGet32 (PcdUsbTransferTimeoutValue),
NULL,
0,
&Status
);
return Result;
}
/**
Get the idle rate of the specified USB HID report.
Submit a USB get HID report idle request for the USB device specified by UsbIo,
Interface, and ReportId, and return the ide rate in Duration.
If UsbIo is NULL, then ASSERT().
If Duration is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param ReportId The identifier of the report to retrieve.
@param Duration A pointer to the idle rate retrieved from the specified USB target.
@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.
**/
EFI_STATUS
EFIAPI
UsbGetIdleRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
OUT UINT8 *Duration
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
ASSERT (Duration != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_CLASS_GET_REQ_TYPE;
Request.Request = EFI_USB_GET_IDLE_REQUEST;
Request.Value = ReportId;
Request.Index = Interface;
Request.Length = 1;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
PcdGet32 (PcdUsbTransferTimeoutValue),
Duration,
1,
&Status
);
return Result;
}
/**
Set the report descriptor of the specified USB HID interface.
Submit a USB set HID report request for the USB device specified by UsbIo,
Interface, ReportId, and ReportType, and set the report descriptor using the
buffer specified by ReportLength and Report.
If UsbIo is NULL, then ASSERT().
If Report is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param ReportId The identifier of the report to retrieve.
@param ReportType The type of report to retrieve.
@param ReportLength The size, in bytes, of Report.
@param Report A pointer to the report descriptor buffer to set.
@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.
**/
EFI_STATUS
EFIAPI
UsbSetReportRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
IN UINT8 ReportType,
IN UINT16 ReportLen,
IN UINT8 *Report
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
ASSERT (Report != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_CLASS_SET_REQ_TYPE;
Request.Request = EFI_USB_SET_REPORT_REQUEST;
Request.Value = (UINT16) ((ReportType << 8) | ReportId);
Request.Index = Interface;
Request.Length = ReportLen;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataOut,
PcdGet32 (PcdUsbTransferTimeoutValue),
Report,
ReportLen,
&Status
);
return Result;
}
/**
Get the report descriptor of the specified USB HID interface.
Submit a USB get HID report request for the USB device specified by UsbIo,
Interface, ReportId, and ReportType, and return the report in the buffer
specified by Report.
If UsbIo is NULL, then ASSERT().
If Report is NULL, then ASSERT().
@param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target.
@param Interface The index of the report interface on the USB target.
@param ReportId The identifier of the report to retrieve.
@param ReportType The type of report to retrieve.
@param ReportLength The size, in bytes, of Report.
@param Report A pointer to the buffer to store the report descriptor.
@retval EFI_SUCCESS The request executed successfully.
@retval EFI_OUT_OF_RESOURCES The request could not be completed because the
buffer specified by ReportLength and Report is not
large enough to hold the result of the request.
@retval EFI_TIMEOUT A timeout occurred executing the request.
@retval EFI_DEVICE_ERROR The request failed due to a device error.
**/
EFI_STATUS
EFIAPI
UsbGetReportRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
IN UINT8 ReportType,
IN UINT16 ReportLen,
OUT UINT8 *Report
)
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
ASSERT (UsbIo != NULL);
ASSERT (Report != NULL);
//
// Fill Device request packet
//
Request.RequestType = USB_HID_CLASS_GET_REQ_TYPE;
Request.Request = EFI_USB_GET_REPORT_REQUEST;
Request.Value = (UINT16) ((ReportType << 8) | ReportId);
Request.Index = Interface;
Request.Length = ReportLen;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
PcdGet32 (PcdUsbTransferTimeoutValue),
Report,
ReportLen,
&Status
);
return Result;
}