/**
Get the usb endpoint descriptor.
@param PeiServices General-purpose services that are available to every PEIM.
@param This Indicates the PEI_USB_IO_PPI instance.
@param EndpointIndex The valid index of the specified endpoint.
@param EndpointDescriptor Request endpoint descriptor.
@retval EFI_SUCCESS Usb endpoint descriptor is obtained successfully.
@retval EFI_NOT_FOUND Usb endpoint descriptor is NOT found.
**/
EFI_STATUS
EFIAPI
PeiUsbGetEndpointDescriptor (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This,
IN UINT8 EndpointIndex,
OUT EFI_USB_ENDPOINT_DESCRIPTOR **EndpointDescriptor
)
{
PEI_USB_DEVICE *PeiUsbDev;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
ASSERT (EndpointDescriptor != NULL);
//
// The valid range of EndpointIndex is 0..15
// If EndpointIndex is lesser than 15 but larger than the number of interfaces,
// a EFI_NOT_FOUND should be returned
//
ASSERT (EndpointIndex <= 15);
if (EndpointIndex >= PeiUsbDev->InterfaceDesc->NumEndpoints) {
return EFI_NOT_FOUND;
}
*EndpointDescriptor = PeiUsbDev->EndpointDesc[EndpointIndex];
return EFI_SUCCESS;
}
/**
Get the usb interface descriptor.
@param PeiServices General-purpose services that are available to every PEIM.
@param This Indicates the PEI_USB_IO_PPI instance.
@param InterfaceDescriptor Request interface descriptor.
@retval EFI_SUCCESS Usb interface descriptor is obtained successfully.
**/
EFI_STATUS
EFIAPI
PeiUsbGetInterfaceDescriptor (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This,
OUT EFI_USB_INTERFACE_DESCRIPTOR **InterfaceDescriptor
)
{
PEI_USB_DEVICE *PeiUsbDev;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
*InterfaceDescriptor = PeiUsbDev->InterfaceDesc;
return EFI_SUCCESS;
}
/**
Submits control transfer to a target USB device.
@param PeiServices The pointer of EFI_PEI_SERVICES.
@param This The pointer of PEI_USB_IO_PPI.
@param Request USB device request to send.
@param Direction Specifies the data direction for the data stage.
@param Timeout Indicates the maximum timeout, in millisecond.
@param Data Data buffer to be transmitted or received from USB device.
@param DataLength The size (in bytes) of the data buffer.
@retval EFI_SUCCESS Transfer was completed successfully.
@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.
@retval EFI_INVALID_PARAMETER Some parameters are invalid.
@retval EFI_TIMEOUT Transfer failed due to timeout.
@retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.
**/
EFI_STATUS
EFIAPI
PeiUsbControlTransfer (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This,
IN EFI_USB_DEVICE_REQUEST *Request,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT32 Timeout,
IN OUT VOID *Data, OPTIONAL
IN UINTN DataLength OPTIONAL
)
{
EFI_STATUS Status;
PEI_USB_DEVICE *PeiUsbDev;
UINT32 TransferResult;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
if (PeiUsbDev->Usb2HcPpi != NULL) {
Status = PeiUsbDev->Usb2HcPpi->ControlTransfer (
PeiServices,
PeiUsbDev->Usb2HcPpi,
PeiUsbDev->DeviceAddress,
PeiUsbDev->DeviceSpeed,
PeiUsbDev->MaxPacketSize0,
Request,
Direction,
Data,
&DataLength,
Timeout,
&(PeiUsbDev->Translator),
&TransferResult
);
} else {
Status = PeiUsbDev->UsbHcPpi->ControlTransfer (
PeiServices,
PeiUsbDev->UsbHcPpi,
PeiUsbDev->DeviceAddress,
PeiUsbDev->DeviceSpeed,
PeiUsbDev->MaxPacketSize0,
Request,
Direction,
Data,
&DataLength,
Timeout,
&TransferResult
);
}
return Status;
}
/**
Reset the port and re-configure the usb device.
@param PeiServices General-purpose services that are available to every PEIM.
@param This Indicates the PEI_USB_IO_PPI instance.
@retval EFI_SUCCESS Usb device is reset and configured successfully.
@retval Others Other failure occurs.
**/
EFI_STATUS
EFIAPI
PeiUsbPortReset (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This
)
{
PEI_USB_DEVICE *PeiUsbDev;
EFI_STATUS Status;
UINT8 Address;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
ResetRootPort (
PeiServices,
PeiUsbDev->UsbHcPpi,
PeiUsbDev->Usb2HcPpi,
PeiUsbDev->DeviceAddress,
0
);
//
// Set address
//
Address = PeiUsbDev->DeviceAddress;
PeiUsbDev->DeviceAddress = 0;
Status = PeiUsbSetDeviceAddress (
PeiServices,
This,
Address
);
if (EFI_ERROR (Status)) {
return Status;
}
PeiUsbDev->DeviceAddress = Address;
//
// Set default configuration
//
Status = PeiUsbSetConfiguration (
PeiServices,
This
);
return Status;
}
/**
Clear Endpoint Halt.
@param PeiServices General-purpose services that are available to every PEIM.
@param UsbIoPpi Indicates the PEI_USB_IO_PPI instance.
@param EndpointAddress The endpoint address.
@retval EFI_SUCCESS Endpoint halt is cleared successfully.
@retval EFI_DEVICE_ERROR Cannot clear the endpoint halt status due to a hardware error.
@retval Others Other failure occurs.
**/
EFI_STATUS
PeiUsbClearEndpointHalt (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *UsbIoPpi,
IN UINT8 EndpointAddress
)
{
EFI_STATUS Status;
PEI_USB_DEVICE *PeiUsbDev;
EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;
UINT8 EndpointIndex;
EndpointIndex = 0;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (UsbIoPpi);
while (EndpointIndex < MAX_ENDPOINT) {
Status = UsbIoPpi->UsbGetEndpointDescriptor (PeiServices, UsbIoPpi, EndpointIndex, &EndpointDescriptor);
if (EFI_ERROR (Status)) {
return EFI_INVALID_PARAMETER;
}
if (EndpointDescriptor->EndpointAddress == EndpointAddress) {
break;
}
EndpointIndex++;
}
if (EndpointIndex == MAX_ENDPOINT) {
return EFI_INVALID_PARAMETER;
}
Status = PeiUsbClearDeviceFeature (
PeiServices,
UsbIoPpi,
EfiUsbEndpoint,
EfiUsbEndpointHalt,
EndpointAddress
);
//
// set data toggle to zero.
//
if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {
PeiUsbDev->DataToggle = (UINT8) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));
}
return Status;
}
/**
Submits bulk transfer to a bulk endpoint of a USB device.
@param PeiServices The pointer of EFI_PEI_SERVICES.
@param This The pointer of PEI_USB_IO_PPI.
@param DeviceEndpoint Endpoint number and its direction in bit 7.
@param Data A pointer to the buffer of data to transmit
from or receive into.
@param DataLength The lenght of the data buffer.
@param Timeout Indicates the maximum time, in millisecond, which the
transfer is allowed to complete.
@retval EFI_SUCCESS The transfer was completed successfully.
@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resource.
@retval EFI_INVALID_PARAMETER Parameters are invalid.
@retval EFI_TIMEOUT The transfer failed due to timeout.
@retval EFI_DEVICE_ERROR The transfer failed due to host controller error.
**/
EFI_STATUS
EFIAPI
PeiUsbBulkTransfer (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This,
IN UINT8 DeviceEndpoint,
IN OUT VOID *Data,
IN OUT UINTN *DataLength,
IN UINTN Timeout
)
{
EFI_STATUS Status;
PEI_USB_DEVICE *PeiUsbDev;
UINT32 TransferResult;
UINTN MaxPacketLength;
UINT8 DataToggle;
UINT8 OldToggle;
EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;
UINT8 EndpointIndex;
VOID *Data2[EFI_USB_MAX_BULK_BUFFER_NUM];
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
EndpointDescriptor = NULL;
EndpointIndex = 0;
Data2[0] = Data;
Data2[1] = NULL;
while (EndpointIndex < MAX_ENDPOINT) {
Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);
if (EFI_ERROR (Status)) {
return EFI_INVALID_PARAMETER;
}
if (EndpointDescriptor->EndpointAddress == DeviceEndpoint) {
break;
}
EndpointIndex++;
}
if (EndpointIndex == MAX_ENDPOINT) {
return EFI_INVALID_PARAMETER;
}
MaxPacketLength = PeiUsbDev->EndpointDesc[EndpointIndex]->MaxPacketSize;
if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {
DataToggle = 1;
} else {
DataToggle = 0;
}
OldToggle = DataToggle;
if (PeiUsbDev->Usb2HcPpi != NULL) {
Status = PeiUsbDev->Usb2HcPpi->BulkTransfer (
PeiServices,
PeiUsbDev->Usb2HcPpi,
PeiUsbDev->DeviceAddress,
DeviceEndpoint,
PeiUsbDev->DeviceSpeed,
MaxPacketLength,
Data2,
DataLength,
&DataToggle,
Timeout,
&(PeiUsbDev->Translator),
&TransferResult
);
} else {
Status = PeiUsbDev->UsbHcPpi->BulkTransfer (
PeiServices,
PeiUsbDev->UsbHcPpi,
PeiUsbDev->DeviceAddress,
DeviceEndpoint,
(UINT8) MaxPacketLength,
Data,
DataLength,
&DataToggle,
Timeout,
&TransferResult
);
}
if (OldToggle != DataToggle) {
PeiUsbDev->DataToggle = (UINT8) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));
}
return Status;
}
/**
Submits control transfer to a target USB device.
@param PeiServices The pointer of EFI_PEI_SERVICES.
@param This The pointer of PEI_USB_IO_PPI.
@param Request USB device request to send.
@param Direction Specifies the data direction for the data stage.
@param Timeout Indicates the maximum timeout, in millisecond. If Timeout
is 0, then the caller must wait for the function to be
completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
@param Data Data buffer to be transmitted or received from USB device.
@param DataLength The size (in bytes) of the data buffer.
@retval EFI_SUCCESS Transfer was completed successfully.
@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.
@retval EFI_INVALID_PARAMETER Some parameters are invalid.
@retval EFI_TIMEOUT Transfer failed due to timeout.
@retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.
**/
EFI_STATUS
EFIAPI
PeiUsbControlTransfer (
IN EFI_PEI_SERVICES **PeiServices,
IN PEI_USB_IO_PPI *This,
IN EFI_USB_DEVICE_REQUEST *Request,
IN EFI_USB_DATA_DIRECTION Direction,
IN UINT32 Timeout,
IN OUT VOID *Data, OPTIONAL
IN UINTN DataLength OPTIONAL
)
{
EFI_STATUS Status;
PEI_USB_DEVICE *PeiUsbDev;
UINT32 TransferResult;
EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;
UINT8 EndpointIndex;
PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);
EndpointDescriptor = NULL;
EndpointIndex = 0;
if ((Request->Request == USB_REQ_CLEAR_FEATURE) &&
(Request->RequestType == USB_DEV_CLEAR_FEATURE_REQ_TYPE_E) &&
(Request->Value == USB_FEATURE_ENDPOINT_HALT)) {
//
// Request->Index is the Endpoint Address, use it to get the Endpoint Index.
//
while (EndpointIndex < MAX_ENDPOINT) {
Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);
if (EFI_ERROR (Status)) {
return EFI_INVALID_PARAMETER;
}
if (EndpointDescriptor->EndpointAddress == Request->Index) {
break;
}
EndpointIndex++;
}
if (EndpointIndex == MAX_ENDPOINT) {
return EFI_INVALID_PARAMETER;
}
}
if (PeiUsbDev->Usb2HcPpi != NULL) {
Status = PeiUsbDev->Usb2HcPpi->ControlTransfer (
PeiServices,
PeiUsbDev->Usb2HcPpi,
PeiUsbDev->DeviceAddress,
PeiUsbDev->DeviceSpeed,
PeiUsbDev->MaxPacketSize0,
Request,
Direction,
Data,
&DataLength,
Timeout,
&(PeiUsbDev->Translator),
&TransferResult
);
} else {
Status = PeiUsbDev->UsbHcPpi->ControlTransfer (
PeiServices,
PeiUsbDev->UsbHcPpi,
PeiUsbDev->DeviceAddress,
PeiUsbDev->DeviceSpeed,
(UINT8) PeiUsbDev->MaxPacketSize0,
Request,
Direction,
Data,
&DataLength,
Timeout,
&TransferResult
);
}
//
// Reset the endpoint toggle when endpoint stall is cleared
//
if ((Request->Request == USB_REQ_CLEAR_FEATURE) &&
(Request->RequestType == USB_DEV_CLEAR_FEATURE_REQ_TYPE_E) &&
(Request->Value == USB_FEATURE_ENDPOINT_HALT)) {
if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {
PeiUsbDev->DataToggle = (UINT16) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));
}
}
DEBUG ((EFI_D_INFO, "PeiUsbControlTransfer: %r\n", Status));
return Status;
}