audk/EdkModulePkg/Library/EdkUsbLib/hid.c

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/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name:
hid.c
Abstract:
HID class request
Revision History
--*/
//
// Function to get HID descriptor
//
EFI_STATUS
UsbGetHidDescriptor (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 InterfaceNum,
OUT EFI_USB_HID_DESCRIPTOR *HidDescriptor
)
/*++
Routine Description:
Get Hid Descriptor
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
InterfaceNum - Hid interface number
HidDescriptor - Caller allocated buffer to store Usb hid descriptor
if successfully returned.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
Request.RequestType = 0x81;
Request.Request = 0x06;
Request.Value = (UINT16) (0x21 << 8);
Request.Index = InterfaceNum;
Request.Length = sizeof (EFI_USB_HID_DESCRIPTOR);
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
TIMEOUT_VALUE,
HidDescriptor,
sizeof (EFI_USB_HID_DESCRIPTOR),
&Status
);
return Result;
}
//
// Function to get Report Class descriptor
//
EFI_STATUS
UsbGetReportDescriptor (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 InterfaceNum,
IN UINT16 DescriptorSize,
OUT UINT8 *DescriptorBuffer
)
/*++
Routine Description:
get Report Class descriptor
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL.
InterfaceNum - Report interface number.
DescriptorSize - Length of DescriptorBuffer.
DescriptorBuffer - Caller allocated buffer to store Usb report descriptor
if successfully returned.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0x81;
Request.Request = 0x06;
Request.Value = (UINT16) (0x22 << 8);
Request.Index = InterfaceNum;
Request.Length = DescriptorSize;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
TIMEOUT_VALUE,
DescriptorBuffer,
DescriptorSize,
&Status
);
return Result;
}
//
// Following are HID class request
//
EFI_STATUS
UsbGetProtocolRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 *Protocol
)
/*++
Routine Description:
Get Hid Protocol Request
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
Interface - Which interface the caller wants to get protocol
Protocol - Protocol value returned.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0xa1;
//
// 10100001b;
//
Request.Request = EFI_USB_GET_PROTOCOL_REQUEST;
Request.Value = 0;
Request.Index = Interface;
Request.Length = 1;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
TIMEOUT_VALUE,
Protocol,
sizeof (UINT8),
&Status
);
return Result;
}
EFI_STATUS
UsbSetProtocolRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 Protocol
)
/*++
Routine Description:
Set Hid Protocol Request
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
Interface - Which interface the caller wants to set protocol
Protocol - Protocol value the caller wants to set.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0x21;
//
// 00100001b;
//
Request.Request = EFI_USB_SET_PROTOCOL_REQUEST;
Request.Value = Protocol;
Request.Index = Interface;
Request.Length = 0;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbNoData,
TIMEOUT_VALUE,
NULL,
0,
&Status
);
return Result;
}
EFI_STATUS
UsbSetIdleRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
IN UINT8 Duration
)
/*++
Routine Description:
Set Idel request.
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
Interface - Which interface the caller wants to set.
ReportId - Which report the caller wants to set.
Duration - Idle rate the caller wants to set.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0x21;
//
// 00100001b;
//
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,
TIMEOUT_VALUE,
NULL,
0,
&Status
);
return Result;
}
EFI_STATUS
UsbGetIdleRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
OUT UINT8 *Duration
)
/*++
Routine Description:
Get Idel request.
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
Interface - Which interface the caller wants to get.
ReportId - Which report the caller wants to get.
Duration - Idle rate the caller wants to get.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0xa1;
//
// 10100001b;
//
Request.Request = EFI_USB_GET_IDLE_REQUEST;
Request.Value = ReportId;
Request.Index = Interface;
Request.Length = 1;
Result = UsbIo->UsbControlTransfer (
UsbIo,
&Request,
EfiUsbDataIn,
TIMEOUT_VALUE,
Duration,
1,
&Status
);
return Result;
}
EFI_STATUS
UsbSetReportRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
IN UINT8 ReportType,
IN UINT16 ReportLen,
IN UINT8 *Report
)
/*++
Routine Description:
Hid Set Report request.
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
Interface - Which interface the caller wants to set.
ReportId - Which report the caller wants to set.
ReportType - Type of report.
ReportLen - Length of report descriptor.
Report - Report Descriptor buffer.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0x21;
//
// 00100001b;
//
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,
TIMEOUT_VALUE,
Report,
ReportLen,
&Status
);
return Result;
}
EFI_STATUS
UsbGetReportRequest (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 Interface,
IN UINT8 ReportId,
IN UINT8 ReportType,
IN UINT16 ReportLen,
IN UINT8 *Report
)
/*++
Routine Description:
Hid Set Report request.
Arguments:
UsbIo - EFI_USB_IO_PROTOCOL
Interface - Which interface the caller wants to set.
ReportId - Which report the caller wants to set.
ReportType - Type of report.
ReportLen - Length of report descriptor.
Report - Caller allocated buffer to store Report Descriptor.
Returns:
EFI_SUCCESS
EFI_DEVICE_ERROR
EFI_TIMEOUT
--*/
{
UINT32 Status;
EFI_STATUS Result;
EFI_USB_DEVICE_REQUEST Request;
//
// Fill Device request packet
//
Request.RequestType = 0xa1;
//
// 10100001b;
//
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,
TIMEOUT_VALUE,
Report,
ReportLen,
&Status
);
return Result;
}