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/** @file
Copyright (c) 2004 - 2007, 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.
Common Dxe Libarary for USB
**/
#include <PiDxe.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UsbLib.h>
/**
Usb Get Descriptor
@param UsbIo EFI_USB_IO_PROTOCOL
@param Value Device Request Value
@param Index Device Request Index
@param DescriptorLength Descriptor Length
@param Descriptor Descriptor buffer to contain result
@param Status Transfer Status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbGetDescriptor (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT16 Value,
IN UINT16 Index,
IN UINT16 DescriptorLength,
OUT VOID *Descriptor,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
DevReq.RequestType = USB_DEV_GET_DESCRIPTOR_REQ_TYPE;
DevReq.Request = USB_REQ_GET_DESCRIPTOR;
DevReq.Value = Value;
DevReq.Index = Index;
DevReq.Length = DescriptorLength;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbDataIn,
TIMEOUT_VALUE,
Descriptor,
DescriptorLength,
Status
);
}
/**
Usb Set Descriptor
@param UsbIo EFI_USB_IO_PROTOCOL
@param Value Device Request Value
@param Index Device Request Index
@param DescriptorLength Descriptor Length
@param Descriptor Descriptor buffer to set
@param Status Transfer Status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbSetDescriptor (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT16 Value,
IN UINT16 Index,
IN UINT16 DescriptorLength,
IN VOID *Descriptor,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
DevReq.RequestType = USB_DEV_SET_DESCRIPTOR_REQ_TYPE;
DevReq.Request = USB_REQ_SET_DESCRIPTOR;
DevReq.Value = Value;
DevReq.Index = Index;
DevReq.Length = DescriptorLength;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbDataOut,
TIMEOUT_VALUE,
Descriptor,
DescriptorLength,
Status
);
}
/**
Usb Get Device Interface
@param UsbIo EFI_USB_IO_PROTOCOL
@param Index Interface index value
@param AltSetting Alternate setting
@param Status Trasnsfer status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbGetInterface (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT16 Index,
OUT UINT8 *AltSetting,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
DevReq.RequestType = USB_DEV_GET_INTERFACE_REQ_TYPE;
DevReq.Request = USB_REQ_GET_INTERFACE;
DevReq.Index = Index;
DevReq.Length = 1;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbDataIn,
TIMEOUT_VALUE,
AltSetting,
1,
Status
);
}
/**
Usb Set Device Interface
@param UsbIo EFI_USB_IO_PROTOCOL
@param InterfaceNo Interface Number
@param AltSetting Alternate setting
@param Status Trasnsfer status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbSetInterface (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT16 InterfaceNo,
IN UINT16 AltSetting,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
DevReq.RequestType = USB_DEV_SET_INTERFACE_REQ_TYPE;
DevReq.Request = USB_REQ_SET_INTERFACE;
DevReq.Value = AltSetting;
DevReq.Index = InterfaceNo;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbNoData,
TIMEOUT_VALUE,
NULL,
0,
Status
);
}
/**
Usb Get Device Configuration
@param UsbIo EFI_USB_IO_PROTOCOL
@param ConfigValue Config Value
@param Status Transfer Status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbGetConfiguration (
IN EFI_USB_IO_PROTOCOL *UsbIo,
OUT UINT8 *ConfigValue,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
DevReq.RequestType = USB_DEV_GET_CONFIGURATION_REQ_TYPE;
DevReq.Request = USB_REQ_GET_CONFIG;
DevReq.Length = 1;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbDataIn,
TIMEOUT_VALUE,
ConfigValue,
1,
Status
);
}
/**
Usb Set Device Configuration
@param UsbIo EFI_USB_IO_PROTOCOL
@param Value Configuration Value to set
@param Status Transfer status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbSetConfiguration (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT16 Value,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
DevReq.RequestType = USB_DEV_SET_CONFIGURATION_REQ_TYPE;
DevReq.Request = USB_REQ_SET_CONFIG;
DevReq.Value = Value;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbNoData,
TIMEOUT_VALUE,
NULL,
0,
Status
);
}
/**
Usb Set Device Feature
@param UsbIo EFI_USB_IO_PROTOCOL
@param Recipient Interface/Device/Endpoint
@param Value Request value
@param Target Request Index
@param Status Transfer status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbSetFeature (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINTN Recipient,
IN UINT16 Value,
IN UINT16 Target,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
switch (Recipient) {
case USB_TARGET_DEVICE:
DevReq.RequestType = USB_DEV_SET_FEATURE_REQ_TYPE_D;
break;
case USB_TARGET_INTERFACE:
DevReq.RequestType = USB_DEV_SET_FEATURE_REQ_TYPE_I;
break;
case USB_TARGET_ENDPOINT:
DevReq.RequestType = USB_DEV_SET_FEATURE_REQ_TYPE_E;
break;
}
//
// Fill device request, see USB1.1 spec
//
DevReq.Request = USB_REQ_SET_FEATURE;
DevReq.Value = Value;
DevReq.Index = Target;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbNoData,
TIMEOUT_VALUE,
NULL,
0,
Status
);
}
/**
Usb Clear Device Feature
@param UsbIo EFI_USB_IO_PROTOCOL
@param Recipient Interface/Device/Endpoint
@param Value Request value
@param Target Request Index
@param Status Transfer status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbClearFeature (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINTN Recipient,
IN UINT16 Value,
IN UINT16 Target,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
switch (Recipient) {
case USB_TARGET_DEVICE:
DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_D;
break;
case USB_TARGET_INTERFACE:
DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_I;
break;
case USB_TARGET_ENDPOINT:
DevReq.RequestType = USB_DEV_CLEAR_FEATURE_REQ_TYPE_E;
break;
}
//
// Fill device request, see USB1.1 spec
//
DevReq.Request = USB_REQ_CLEAR_FEATURE;
DevReq.Value = Value;
DevReq.Index = Target;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbNoData,
TIMEOUT_VALUE,
NULL,
0,
Status
);
}
/**
Usb Get Device Status
@param UsbIo EFI_USB_IO_PROTOCOL
@param Recipient Interface/Device/Endpoint
@param Target Request index
@param DevStatus Device status
@param Status Transfer status
@retval EFI_INVALID_PARAMETER Parameter is error
@retval EFI_SUCCESS Success
@retval EFI_TIMEOUT Device has no response
**/
EFI_STATUS
UsbGetStatus (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINTN Recipient,
IN UINT16 Target,
OUT UINT16 *DevStatus,
OUT UINT32 *Status
)
{
EFI_USB_DEVICE_REQUEST DevReq;
if (UsbIo == NULL) {
return EFI_INVALID_PARAMETER;
}
ZeroMem (&DevReq, sizeof (EFI_USB_DEVICE_REQUEST));
switch (Recipient) {
case USB_TARGET_DEVICE:
DevReq.RequestType = USB_DEV_GET_STATUS_REQ_TYPE_D;
break;
case USB_TARGET_INTERFACE:
DevReq.RequestType = USB_DEV_GET_STATUS_REQ_TYPE_I;
break;
case USB_TARGET_ENDPOINT:
DevReq.RequestType = USB_DEV_GET_STATUS_REQ_TYPE_E;
break;
}
//
// Fill device request, see USB1.1 spec
//
DevReq.Request = USB_REQ_GET_STATUS;
DevReq.Value = 0;
DevReq.Index = Target;
DevReq.Length = 2;
return UsbIo->UsbControlTransfer (
UsbIo,
&DevReq,
EfiUsbDataIn,
TIMEOUT_VALUE,
DevStatus,
2,
Status
);
}
/**
Clear endpoint stall
@param UsbIo EFI_USB_IO_PROTOCOL
@param EndpointNo Endpoint Number
@param Status Transfer Status
@retval EFI_NOT_FOUND Can't find the Endpoint
@retval EFI_DEVICE_ERROR Hardware error
@retval EFI_SUCCESS Success
**/
EFI_STATUS
UsbClearEndpointHalt (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 EndpointNo,
OUT UINT32 *Status
)
{
EFI_STATUS Result;
EFI_USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
UINT8 Index;
ZeroMem (&EndpointDescriptor, sizeof (EFI_USB_ENDPOINT_DESCRIPTOR));
//
// First seach the endpoint descriptor for that endpoint addr
//
Result = UsbIo->UsbGetInterfaceDescriptor (
UsbIo,
&InterfaceDescriptor
);
if (EFI_ERROR (Result)) {
return Result;
}
for (Index = 0; Index < InterfaceDescriptor.NumEndpoints; Index++) {
Result = UsbIo->UsbGetEndpointDescriptor (
UsbIo,
Index,
&EndpointDescriptor
);
if (EFI_ERROR (Result)) {
continue;
}
if (EndpointDescriptor.EndpointAddress == EndpointNo) {
break;
}
}
if (Index == InterfaceDescriptor.NumEndpoints) {
//
// No such endpoint
//
return EFI_NOT_FOUND;
}
Result = UsbClearFeature (
UsbIo,
USB_TARGET_ENDPOINT,
EfiUsbEndpointHalt,
EndpointDescriptor.EndpointAddress,
Status
);
return Result;
}
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