[mirror_edk2.git] / MdeModulePkg / Bus / Usb / UsbBusPei / UsbIoPeim.c

/** @file\r
The module is used to implement Usb Io PPI interfaces.\r
\r
Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved. <BR>\r
  \r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions\r
of the BSD License which accompanies this distribution.  The\r
full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "UsbPeim.h"\r
#include "PeiUsbLib.h"\r
\r
/**\r
  Submits control transfer to a target USB device.\r
  \r
  @param  PeiServices            The pointer of EFI_PEI_SERVICES.\r
  @param  This                   The pointer of PEI_USB_IO_PPI.\r
  @param  Request                USB device request to send.\r
  @param  Direction              Specifies the data direction for the data stage.\r
  @param  Timeout                Indicates the maximum timeout, in millisecond. If Timeout\r
                                 is 0, then the caller must wait for the function to be\r
                                 completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.\r
  @param  Data                   Data buffer to be transmitted or received from USB device.\r
  @param  DataLength             The size (in bytes) of the data buffer.\r
\r
  @retval EFI_SUCCESS            Transfer was completed successfully.\r
  @retval EFI_OUT_OF_RESOURCES   The transfer failed due to lack of resources.\r
  @retval EFI_INVALID_PARAMETER  Some parameters are invalid.\r
  @retval EFI_TIMEOUT            Transfer failed due to timeout.\r
  @retval EFI_DEVICE_ERROR       Transfer failed due to host controller or device error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiUsbControlTransfer (\r
  IN     EFI_PEI_SERVICES          **PeiServices,\r
  IN     PEI_USB_IO_PPI            *This,\r
  IN     EFI_USB_DEVICE_REQUEST    *Request,\r
  IN     EFI_USB_DATA_DIRECTION    Direction,\r
  IN     UINT32                    Timeout,\r
  IN OUT VOID                      *Data,      OPTIONAL\r
  IN     UINTN                     DataLength  OPTIONAL\r
  )\r
{\r
  EFI_STATUS                  Status;\r
  PEI_USB_DEVICE              *PeiUsbDev;\r
  UINT32                      TransferResult;\r
  EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;\r
  UINT8                       EndpointIndex;\r
\r
  PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
\r
  EndpointDescriptor = NULL;\r
  EndpointIndex = 0;\r
\r
  if ((Request->Request     == USB_REQ_CLEAR_FEATURE) &&\r
      (Request->RequestType == USB_DEV_CLEAR_FEATURE_REQ_TYPE_E) &&\r
      (Request->Value       == USB_FEATURE_ENDPOINT_HALT)) {\r
    //\r
    // Request->Index is the Endpoint Address, use it to get the Endpoint Index.\r
    //\r
    while (EndpointIndex < MAX_ENDPOINT) {\r
      Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);\r
      if (EFI_ERROR (Status)) {\r
        return EFI_INVALID_PARAMETER;\r
      }\r
\r
      if (EndpointDescriptor->EndpointAddress == Request->Index) {\r
        break;\r
      }\r
\r
      EndpointIndex++;\r
    }\r
\r
    if (EndpointIndex == MAX_ENDPOINT) {\r
      return EFI_INVALID_PARAMETER;\r
    }\r
  }\r
\r
  if (PeiUsbDev->Usb2HcPpi != NULL) {\r
    Status = PeiUsbDev->Usb2HcPpi->ControlTransfer (\r
                        PeiServices,\r
                        PeiUsbDev->Usb2HcPpi,\r
                        PeiUsbDev->DeviceAddress,\r
                        PeiUsbDev->DeviceSpeed,\r
                        PeiUsbDev->MaxPacketSize0,\r
                        Request,\r
                        Direction,\r
                        Data,\r
                        &DataLength,\r
                        Timeout,\r
                        &(PeiUsbDev->Translator),\r
                        &TransferResult\r
                        );\r
  } else {\r
    Status = PeiUsbDev->UsbHcPpi->ControlTransfer (\r
                        PeiServices,\r
                        PeiUsbDev->UsbHcPpi,\r
                        PeiUsbDev->DeviceAddress,\r
                        PeiUsbDev->DeviceSpeed,\r
                        PeiUsbDev->MaxPacketSize0,\r
                        Request,\r
                        Direction,\r
                        Data,\r
                        &DataLength,\r
                        Timeout,\r
                        &TransferResult\r
                        );\r
  }\r
\r
  //\r
  // Reset the endpoint toggle when endpoint stall is cleared\r
  //\r
  if ((Request->Request     == USB_REQ_CLEAR_FEATURE) &&\r
      (Request->RequestType == USB_DEV_CLEAR_FEATURE_REQ_TYPE_E) &&\r
      (Request->Value       == USB_FEATURE_ENDPOINT_HALT)) {\r
    if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {\r
      PeiUsbDev->DataToggle = (UINT16) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));\r
    }\r
  }\r
\r
  return Status;\r
}\r
\r
/**\r
  Submits bulk transfer to a bulk endpoint of a USB device.\r
  \r
  @param  PeiServices           The pointer of EFI_PEI_SERVICES.\r
  @param  This                  The pointer of PEI_USB_IO_PPI.\r
  @param  DeviceEndpoint        Endpoint number and its direction in bit 7.\r
  @param  Data                  A pointer to the buffer of data to transmit \r
                                from or receive into.\r
  @param  DataLength            The lenght of the data buffer.\r
  @param  Timeout               Indicates the maximum time, in millisecond, which the\r
                                transfer is allowed to complete. If Timeout is 0, then\r
                                the caller must wait for the function to be completed\r
                                until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.\r
\r
  @retval EFI_SUCCESS           The transfer was completed successfully.\r
  @retval EFI_OUT_OF_RESOURCES  The transfer failed due to lack of resource.\r
  @retval EFI_INVALID_PARAMETER Parameters are invalid.\r
  @retval EFI_TIMEOUT           The transfer failed due to timeout.\r
  @retval EFI_DEVICE_ERROR      The transfer failed due to host controller error.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiUsbBulkTransfer (\r
  IN     EFI_PEI_SERVICES    **PeiServices,\r
  IN     PEI_USB_IO_PPI      *This,\r
  IN     UINT8               DeviceEndpoint,\r
  IN OUT VOID                *Data,\r
  IN OUT UINTN               *DataLength,\r
  IN     UINTN               Timeout\r
  )\r
{\r
  EFI_STATUS                  Status;\r
  PEI_USB_DEVICE              *PeiUsbDev;\r
  UINT32                      TransferResult;\r
  UINTN                       MaxPacketLength;\r
  UINT8                       DataToggle;\r
  UINT8                       OldToggle;\r
  EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;\r
  UINT8                       EndpointIndex;\r
  VOID                        *Data2[EFI_USB_MAX_BULK_BUFFER_NUM];\r
\r
  PeiUsbDev     = PEI_USB_DEVICE_FROM_THIS (This);\r
\r
  EndpointDescriptor = NULL;\r
  EndpointIndex = 0;\r
  Data2[0] = Data;\r
  Data2[1] = NULL;\r
\r
  while (EndpointIndex < MAX_ENDPOINT) {\r
    Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);\r
    if (EFI_ERROR (Status)) {\r
      return EFI_INVALID_PARAMETER;\r
    }\r
\r
    if (EndpointDescriptor->EndpointAddress == DeviceEndpoint) {\r
      break;\r
    }\r
\r
    EndpointIndex++;\r
  }\r
\r
  if (EndpointIndex == MAX_ENDPOINT) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  MaxPacketLength = PeiUsbDev->EndpointDesc[EndpointIndex]->MaxPacketSize;\r
  if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {\r
    DataToggle = 1;\r
  } else {\r
    DataToggle = 0;\r
  }\r
\r
  OldToggle = DataToggle;\r
\r
  if (PeiUsbDev->Usb2HcPpi != NULL) {\r
    Status = PeiUsbDev->Usb2HcPpi->BulkTransfer (\r
                        PeiServices,\r
                        PeiUsbDev->Usb2HcPpi,\r
                        PeiUsbDev->DeviceAddress,\r
                        DeviceEndpoint,\r
                        PeiUsbDev->DeviceSpeed,\r
                        MaxPacketLength,\r
                        Data2,\r
                        DataLength,\r
                        &DataToggle,\r
                        Timeout,\r
                        &(PeiUsbDev->Translator),\r
                        &TransferResult\r
                        );\r
  } else {\r
    Status = PeiUsbDev->UsbHcPpi->BulkTransfer (\r
                        PeiServices,\r
                        PeiUsbDev->UsbHcPpi,\r
                        PeiUsbDev->DeviceAddress,\r
                        DeviceEndpoint,\r
                        (UINT8) MaxPacketLength,\r
                        Data,\r
                        DataLength,\r
                        &DataToggle,\r
                        Timeout,\r
                        &TransferResult\r
                        );\r
  }\r
\r
  if (OldToggle != DataToggle) {\r
    PeiUsbDev->DataToggle = (UINT16) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));\r
  }\r
\r
  return Status;\r
}\r
\r
/**\r
  Get the usb interface descriptor.\r
\r
  @param  PeiServices          General-purpose services that are available to every PEIM.\r
  @param  This                 Indicates the PEI_USB_IO_PPI instance.\r
  @param  InterfaceDescriptor  Request interface descriptor.\r
\r
\r
  @retval EFI_SUCCESS          Usb interface descriptor is obtained successfully.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiUsbGetInterfaceDescriptor (\r
  IN  EFI_PEI_SERVICES               **PeiServices,\r
  IN  PEI_USB_IO_PPI                 *This,\r
  OUT EFI_USB_INTERFACE_DESCRIPTOR   **InterfaceDescriptor\r
  )\r
{\r
  PEI_USB_DEVICE  *PeiUsbDev;\r
  PeiUsbDev             = PEI_USB_DEVICE_FROM_THIS (This);\r
  *InterfaceDescriptor  = PeiUsbDev->InterfaceDesc;\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Get the usb endpoint descriptor.\r
\r
  @param  PeiServices          General-purpose services that are available to every PEIM.\r
  @param  This                 Indicates the PEI_USB_IO_PPI instance.\r
  @param  EndpointIndex        The valid index of the specified endpoint.\r
  @param  EndpointDescriptor   Request endpoint descriptor.\r
\r
  @retval EFI_SUCCESS       Usb endpoint descriptor is obtained successfully.\r
  @retval EFI_NOT_FOUND     Usb endpoint descriptor is NOT found.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiUsbGetEndpointDescriptor (\r
  IN  EFI_PEI_SERVICES               **PeiServices,\r
  IN  PEI_USB_IO_PPI                 *This,\r
  IN  UINT8                          EndpointIndex,\r
  OUT EFI_USB_ENDPOINT_DESCRIPTOR    **EndpointDescriptor\r
  )\r
{\r
  PEI_USB_DEVICE  *PeiUsbDev;\r
\r
  PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
\r
  ASSERT (EndpointDescriptor != NULL);\r
\r
  //\r
  // The valid range of EndpointIndex is 0..15\r
  // If EndpointIndex is lesser than 15 but larger than the number of interfaces,\r
  // a EFI_NOT_FOUND should be returned\r
  //\r
  ASSERT (EndpointIndex <= 15);\r
\r
  if (EndpointIndex >= PeiUsbDev->InterfaceDesc->NumEndpoints) {\r
    return EFI_NOT_FOUND;\r
  }\r
\r
  *EndpointDescriptor = PeiUsbDev->EndpointDesc[EndpointIndex];\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Reset the port and re-configure the usb device.\r
\r
  @param  PeiServices    General-purpose services that are available to every PEIM.\r
  @param  This           Indicates the PEI_USB_IO_PPI instance.\r
\r
  @retval EFI_SUCCESS    Usb device is reset and configured successfully.\r
  @retval Others         Other failure occurs.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PeiUsbPortReset (\r
  IN EFI_PEI_SERVICES               **PeiServices,\r
  IN PEI_USB_IO_PPI                 *This\r
  )\r
{\r
  PEI_USB_DEVICE  *PeiUsbDev;\r
  EFI_STATUS      Status;\r
  UINT8           Address;\r
\r
  PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
\r
  ResetRootPort (\r
    PeiServices,\r
    PeiUsbDev->UsbHcPpi,\r
    PeiUsbDev->Usb2HcPpi,\r
    PeiUsbDev->DeviceAddress,\r
    0\r
    );\r
\r
  //\r
  // Set address\r
  //\r
  Address                   = PeiUsbDev->DeviceAddress;\r
  PeiUsbDev->DeviceAddress  = 0;\r
\r
  Status = PeiUsbSetDeviceAddress (\r
            PeiServices,\r
            This,\r
            Address\r
            );\r
\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  PeiUsbDev->DeviceAddress = Address;\r
\r
  //\r
  // Set default configuration\r
  //\r
  Status = PeiUsbSetConfiguration (\r
            PeiServices,\r
            This\r
            );\r
\r
  return Status;\r
}\r
Commit	Line	Data
4b1bf81c	1	/** @file\r
	2	The module is used to implement Usb Io PPI interfaces.\r
	3	\r
506560e7	4	Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved. <BR>\r
4b1bf81c	5	\r
	6	This program and the accompanying materials\r
	7	are licensed and made available under the terms and conditions\r
	8	of the BSD License which accompanies this distribution. The\r
	9	full text of the license may be found at\r
	10	http://opensource.org/licenses/bsd-license.php\r
	11	\r
	12	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	13	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	14	\r
	15	**/\r
	16	\r
	17	#include "UsbPeim.h"\r
	18	#include "PeiUsbLib.h"\r
	19	\r
	20	/**\r
	21	Submits control transfer to a target USB device.\r
	22	\r
	23	@param PeiServices The pointer of EFI_PEI_SERVICES.\r
	24	@param This The pointer of PEI_USB_IO_PPI.\r
	25	@param Request USB device request to send.\r
	26	@param Direction Specifies the data direction for the data stage.\r
ca243131 FT	27	@param Timeout Indicates the maximum timeout, in millisecond. If Timeout\r
	28	is 0, then the caller must wait for the function to be\r
	29	completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.\r
4b1bf81c	30	@param Data Data buffer to be transmitted or received from USB device.\r
	31	@param DataLength The size (in bytes) of the data buffer.\r
	32	\r
	33	@retval EFI_SUCCESS Transfer was completed successfully.\r
	34	@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.\r
	35	@retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
	36	@retval EFI_TIMEOUT Transfer failed due to timeout.\r
	37	@retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.\r
	38	\r
	39	**/\r
	40	EFI_STATUS\r
	41	EFIAPI\r
	42	PeiUsbControlTransfer (\r
	43	IN EFI_PEI_SERVICES **PeiServices,\r
	44	IN PEI_USB_IO_PPI *This,\r
	45	IN EFI_USB_DEVICE_REQUEST *Request,\r
	46	IN EFI_USB_DATA_DIRECTION Direction,\r
	47	IN UINT32 Timeout,\r
	48	IN OUT VOID *Data, OPTIONAL\r
	49	IN UINTN DataLength OPTIONAL\r
	50	)\r
	51	{\r
	52	EFI_STATUS Status;\r
	53	PEI_USB_DEVICE *PeiUsbDev;\r
	54	UINT32 TransferResult;\r
506560e7 SZ	55	EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;\r
506560e7 SZ	56	UINT8 EndpointIndex;\r
4b1bf81c	57	\r
	58	PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
	59	\r
506560e7 SZ	60	EndpointDescriptor = NULL;\r
	61	EndpointIndex = 0;\r
	62	\r
	63	if ((Request->Request == USB_REQ_CLEAR_FEATURE) &&\r
	64	(Request->RequestType == USB_DEV_CLEAR_FEATURE_REQ_TYPE_E) &&\r
	65	(Request->Value == USB_FEATURE_ENDPOINT_HALT)) {\r
	66	//\r
	67	// Request->Index is the Endpoint Address, use it to get the Endpoint Index.\r
	68	//\r
	69	while (EndpointIndex < MAX_ENDPOINT) {\r
	70	Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);\r
	71	if (EFI_ERROR (Status)) {\r
	72	return EFI_INVALID_PARAMETER;\r
	73	}\r
	74	\r
	75	if (EndpointDescriptor->EndpointAddress == Request->Index) {\r
	76	break;\r
	77	}\r
	78	\r
	79	EndpointIndex++;\r
	80	}\r
	81	\r
	82	if (EndpointIndex == MAX_ENDPOINT) {\r
	83	return EFI_INVALID_PARAMETER;\r
	84	}\r
	85	}\r
	86	\r
4b1bf81c	87	if (PeiUsbDev->Usb2HcPpi != NULL) {\r
	88	Status = PeiUsbDev->Usb2HcPpi->ControlTransfer (\r
	89	PeiServices,\r
	90	PeiUsbDev->Usb2HcPpi,\r
	91	PeiUsbDev->DeviceAddress,\r
	92	PeiUsbDev->DeviceSpeed,\r
	93	PeiUsbDev->MaxPacketSize0,\r
	94	Request,\r
	95	Direction,\r
	96	Data,\r
	97	&DataLength,\r
	98	Timeout,\r
	99	&(PeiUsbDev->Translator),\r
	100	&TransferResult\r
	101	);\r
	102	} else {\r
	103	Status = PeiUsbDev->UsbHcPpi->ControlTransfer (\r
	104	PeiServices,\r
	105	PeiUsbDev->UsbHcPpi,\r
	106	PeiUsbDev->DeviceAddress,\r
	107	PeiUsbDev->DeviceSpeed,\r
	108	PeiUsbDev->MaxPacketSize0,\r
	109	Request,\r
	110	Direction,\r
	111	Data,\r
	112	&DataLength,\r
	113	Timeout,\r
	114	&TransferResult\r
	115	);\r
	116	}\r
506560e7 SZ	117	\r
	118	//\r
	119	// Reset the endpoint toggle when endpoint stall is cleared\r
	120	//\r
	121	if ((Request->Request == USB_REQ_CLEAR_FEATURE) &&\r
	122	(Request->RequestType == USB_DEV_CLEAR_FEATURE_REQ_TYPE_E) &&\r
	123	(Request->Value == USB_FEATURE_ENDPOINT_HALT)) {\r
	124	if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {\r
	125	PeiUsbDev->DataToggle = (UINT16) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));\r
	126	}\r
	127	}\r
	128	\r
4b1bf81c	129	return Status;\r
	130	}\r
	131	\r
	132	/**\r
	133	Submits bulk transfer to a bulk endpoint of a USB device.\r
	134	\r
	135	@param PeiServices The pointer of EFI_PEI_SERVICES.\r
	136	@param This The pointer of PEI_USB_IO_PPI.\r
	137	@param DeviceEndpoint Endpoint number and its direction in bit 7.\r
	138	@param Data A pointer to the buffer of data to transmit \r
	139	from or receive into.\r
	140	@param DataLength The lenght of the data buffer.\r
	141	@param Timeout Indicates the maximum time, in millisecond, which the\r
ca243131 FT	142	transfer is allowed to complete. If Timeout is 0, then\r
	143	the caller must wait for the function to be completed\r
	144	until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.\r
4b1bf81c	145	\r
	146	@retval EFI_SUCCESS The transfer was completed successfully.\r
	147	@retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resource.\r
	148	@retval EFI_INVALID_PARAMETER Parameters are invalid.\r
	149	@retval EFI_TIMEOUT The transfer failed due to timeout.\r
	150	@retval EFI_DEVICE_ERROR The transfer failed due to host controller error.\r
	151	\r
	152	**/\r
	153	EFI_STATUS\r
	154	EFIAPI\r
	155	PeiUsbBulkTransfer (\r
	156	IN EFI_PEI_SERVICES **PeiServices,\r
	157	IN PEI_USB_IO_PPI *This,\r
	158	IN UINT8 DeviceEndpoint,\r
	159	IN OUT VOID *Data,\r
	160	IN OUT UINTN *DataLength,\r
	161	IN UINTN Timeout\r
	162	)\r
	163	{\r
	164	EFI_STATUS Status;\r
	165	PEI_USB_DEVICE *PeiUsbDev;\r
	166	UINT32 TransferResult;\r
	167	UINTN MaxPacketLength;\r
	168	UINT8 DataToggle;\r
	169	UINT8 OldToggle;\r
	170	EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDescriptor;\r
	171	UINT8 EndpointIndex;\r
	172	VOID *Data2[EFI_USB_MAX_BULK_BUFFER_NUM];\r
	173	\r
	174	PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
	175	\r
	176	EndpointDescriptor = NULL;\r
	177	EndpointIndex = 0;\r
	178	Data2[0] = Data;\r
	179	Data2[1] = NULL;\r
	180	\r
	181	while (EndpointIndex < MAX_ENDPOINT) {\r
	182	Status = PeiUsbGetEndpointDescriptor (PeiServices, This, EndpointIndex, &EndpointDescriptor);\r
	183	if (EFI_ERROR (Status)) {\r
	184	return EFI_INVALID_PARAMETER;\r
	185	}\r
	186	\r
	187	if (EndpointDescriptor->EndpointAddress == DeviceEndpoint) {\r
	188	break;\r
	189	}\r
	190	\r
	191	EndpointIndex++;\r
	192	}\r
	193	\r
	194	if (EndpointIndex == MAX_ENDPOINT) {\r
	195	return EFI_INVALID_PARAMETER;\r
	196	}\r
	197	\r
	198	MaxPacketLength = PeiUsbDev->EndpointDesc[EndpointIndex]->MaxPacketSize;\r
	199	if ((PeiUsbDev->DataToggle & (1 << EndpointIndex)) != 0) {\r
	200	DataToggle = 1;\r
	201	} else {\r
	202	DataToggle = 0;\r
	203	}\r
	204	\r
	205	OldToggle = DataToggle;\r
	206	\r
	207	if (PeiUsbDev->Usb2HcPpi != NULL) {\r
	208	Status = PeiUsbDev->Usb2HcPpi->BulkTransfer (\r
209	PeiServices,\r
210	PeiUsbDev->Usb2HcPpi,\r
211	PeiUsbDev->DeviceAddress,\r
212	DeviceEndpoint,\r
213	PeiUsbDev->DeviceSpeed,\r
214	MaxPacketLength,\r
215	Data2,\r
216	DataLength,\r
217	&DataToggle,\r
218	Timeout,\r
219	&(PeiUsbDev->Translator),\r
220	&TransferResult\r
221	);\r
222	} else {\r
223	Status = PeiUsbDev->UsbHcPpi->BulkTransfer (\r
224	PeiServices,\r
225	PeiUsbDev->UsbHcPpi,\r
226	PeiUsbDev->DeviceAddress,\r
227	DeviceEndpoint,\r
228	(UINT8) MaxPacketLength,\r
229	Data,\r
230	DataLength,\r
231	&DataToggle,\r
232	Timeout,\r
233	&TransferResult\r
234	);\r
235	}\r
236	\r
237	if (OldToggle != DataToggle) {\r
506560e7	238	PeiUsbDev->DataToggle = (UINT16) (PeiUsbDev->DataToggle ^ (1 << EndpointIndex));\r
4b1bf81c	239	}\r
	240	\r
	241	return Status;\r
	242	}\r
	243	\r
	244	/**\r
	245	Get the usb interface descriptor.\r
	246	\r
	247	@param PeiServices General-purpose services that are available to every PEIM.\r
	248	@param This Indicates the PEI_USB_IO_PPI instance.\r
	249	@param InterfaceDescriptor Request interface descriptor.\r
	250	\r
	251	\r
	252	@retval EFI_SUCCESS Usb interface descriptor is obtained successfully.\r
	253	\r
	254	**/\r
	255	EFI_STATUS\r
	256	EFIAPI\r
	257	PeiUsbGetInterfaceDescriptor (\r
	258	IN EFI_PEI_SERVICES **PeiServices,\r
	259	IN PEI_USB_IO_PPI *This,\r
	260	OUT EFI_USB_INTERFACE_DESCRIPTOR **InterfaceDescriptor\r
	261	)\r
	262	{\r
	263	PEI_USB_DEVICE *PeiUsbDev;\r
	264	PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
	265	*InterfaceDescriptor = PeiUsbDev->InterfaceDesc;\r
	266	return EFI_SUCCESS;\r
	267	}\r
	268	\r
	269	/**\r
	270	Get the usb endpoint descriptor.\r
	271	\r
	272	@param PeiServices General-purpose services that are available to every PEIM.\r
	273	@param This Indicates the PEI_USB_IO_PPI instance.\r
	274	@param EndpointIndex The valid index of the specified endpoint.\r
	275	@param EndpointDescriptor Request endpoint descriptor.\r
	276	\r
	277	@retval EFI_SUCCESS Usb endpoint descriptor is obtained successfully.\r
	278	@retval EFI_NOT_FOUND Usb endpoint descriptor is NOT found.\r
	279	\r
	280	**/\r
	281	EFI_STATUS\r
	282	EFIAPI\r
	283	PeiUsbGetEndpointDescriptor (\r
	284	IN EFI_PEI_SERVICES **PeiServices,\r
	285	IN PEI_USB_IO_PPI *This,\r
	286	IN UINT8 EndpointIndex,\r
	287	OUT EFI_USB_ENDPOINT_DESCRIPTOR **EndpointDescriptor\r
	288	)\r
	289	{\r
	290	PEI_USB_DEVICE *PeiUsbDev;\r
	291	\r
	292	PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
	293	\r
	294	ASSERT (EndpointDescriptor != NULL);\r
	295	\r
	296	//\r
	297	// The valid range of EndpointIndex is 0..15\r
	298	// If EndpointIndex is lesser than 15 but larger than the number of interfaces,\r
	299	// a EFI_NOT_FOUND should be returned\r
	300	//\r
	301	ASSERT (EndpointIndex <= 15);\r
	302	\r
303	if (EndpointIndex >= PeiUsbDev->InterfaceDesc->NumEndpoints) {\r
304	return EFI_NOT_FOUND;\r
305	}\r
306	\r
307	*EndpointDescriptor = PeiUsbDev->EndpointDesc[EndpointIndex];\r
308	\r
309	return EFI_SUCCESS;\r
310	}\r
311	\r
312	/**\r
313	Reset the port and re-configure the usb device.\r
314	\r
315	@param PeiServices General-purpose services that are available to every PEIM.\r
316	@param This Indicates the PEI_USB_IO_PPI instance.\r
317	\r
318	@retval EFI_SUCCESS Usb device is reset and configured successfully.\r
319	@retval Others Other failure occurs.\r
320	\r
321	**/\r
322	EFI_STATUS\r
323	EFIAPI\r
324	PeiUsbPortReset (\r
325	IN EFI_PEI_SERVICES **PeiServices,\r
326	IN PEI_USB_IO_PPI *This\r
327	)\r
328	{\r
329	PEI_USB_DEVICE *PeiUsbDev;\r
330	EFI_STATUS Status;\r
331	UINT8 Address;\r
332	\r
333	PeiUsbDev = PEI_USB_DEVICE_FROM_THIS (This);\r
334	\r
335	ResetRootPort (\r
336	PeiServices,\r
337	PeiUsbDev->UsbHcPpi,\r
338	PeiUsbDev->Usb2HcPpi,\r
339	PeiUsbDev->DeviceAddress,\r
340	0\r
341	);\r
342	\r
343	//\r
344	// Set address\r
345	//\r
346	Address = PeiUsbDev->DeviceAddress;\r
347	PeiUsbDev->DeviceAddress = 0;\r
348	\r
349	Status = PeiUsbSetDeviceAddress (\r
350	PeiServices,\r
351	This,\r
352	Address\r
353	);\r
354	\r
355	if (EFI_ERROR (Status)) {\r
356	return Status;\r
357	}\r
358	\r
359	PeiUsbDev->DeviceAddress = Address;\r
360	\r
361	//\r
362	// Set default configuration\r
363	//\r
364	Status = PeiUsbSetConfiguration (\r
365	PeiServices,\r
366	This\r
367	);\r
368	\r
369	return Status;\r
370	}\r