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modify coding style to pass ecc tool and provide comments that complied with Doxgen.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5429 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
eric_tian
2008-07-09 01:50:16 +00:00
parent 5f597758e2
commit ab6495eacf
13 changed files with 659 additions and 832 deletions
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412
MdeModulePkg/Bus/Pci/UhciDxe/Uhci.c
View File

@ -1,5 +1,7 @@
/** @file
The UHCI driver model and HC protocol routines.
Copyright (c) 2004 - 2008, 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
@ -9,17 +11,6 @@ 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:
Uhci.c
Abstract:
The UHCI driver model and HC protocol routines.
Revision History
**/
#include "Uhci.h"
@ -27,17 +18,16 @@ Revision History
/**
Provides software reset for the USB host controller according to UEFI 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param Attributes A bit mask of the reset operation to perform. See
below for a list of the supported bit mask values.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param Attributes A bit mask of the reset operation to perform. See
below for a list of the supported bit mask values.
@return EFI_SUCCESS : The reset operation succeeded.
@return EFI_INVALID_PARAMETER : Attributes is not valid.
@return EFI_UNSUPPORTED : This type of reset is not currently supported
@return EFI_DEVICE_ERROR : Other errors
@return EFI_SUCCESS The reset operation succeeded.
@return EFI_INVALID_PARAMETER Attributes is not valid.
@return EFI_UNSUPPORTED This type of reset is not currently supported.
@return EFI_DEVICE_ERROR Other errors.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2Reset (
@ -112,15 +102,14 @@ ON_INVAILD_PARAMETER:
/**
Retrieves current state of the USB host controller according to UEFI 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param State Variable to receive current device state
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param State Variable to receive current device state.
@return EFI_SUCCESS : The state is returned
@return EFI_INVALID_PARAMETER : State is not valid.
@return EFI_DEVICE_ERROR : Other errors2006
@return EFI_SUCCESS The state is returned.
@return EFI_INVALID_PARAMETER State is not valid.
@return EFI_DEVICE_ERROR Other errors.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2GetState (
@ -141,7 +130,7 @@ Uhci2GetState (
UsbCmd = UhciReadReg (Uhc->PciIo, USBCMD_OFFSET);
UsbSts = UhciReadReg (Uhc->PciIo, USBSTS_OFFSET);
if (UsbCmd & USBCMD_EGSM) {
if ((UsbCmd & USBCMD_EGSM) !=0 ) {
*State = EfiUsbHcStateSuspend;
} else if ((UsbSts & USBSTS_HCH) != 0) {
@ -158,16 +147,15 @@ Uhci2GetState (
/**
Sets the USB host controller to a specific state according to UEFI 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param State Indicates the state of the host controller that will
be set.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param State Indicates the state of the host controller that will
be set.
@return EFI_SUCCESS : Host controller was successfully placed in the state
@return EFI_INVALID_PARAMETER : State is invalid.
@return EFI_DEVICE_ERROR : Failed to set the state
@return EFI_SUCCESS Host controller was successfully placed in the state.
@return EFI_INVALID_PARAMETER State is invalid.
@return EFI_DEVICE_ERROR Failed to set the state.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2SetState (
@ -265,19 +253,18 @@ ON_EXIT:
/**
Retrieves capabilities of USB host controller according to UEFI 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance
@param MaxSpeed A pointer to the max speed USB host controller
supports.
@param PortNumber A pointer to the number of root hub ports.
@param Is64BitCapable A pointer to an integer to show whether USB host
controller supports 64-bit memory addressing.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param MaxSpeed A pointer to the max speed USB host controller
supports.
@param PortNumber A pointer to the number of root hub ports.
@param Is64BitCapable A pointer to an integer to show whether USB host
controller supports 64-bit memory addressing.
@return EFI_SUCCESS : capabilities were retrieved successfully.
@return EFI_INVALID_PARAMETER : MaxSpeed or PortNumber or Is64BitCapable is NULL.
@return EFI_DEVICE_ERROR : An error was encountered
@return EFI_SUCCESS capabilities were retrieved successfully.
@return EFI_INVALID_PARAMETER MaxSpeed or PortNumber or Is64BitCapable is NULL.
@return EFI_DEVICE_ERROR An error was encountered.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2GetCapability (
@ -329,17 +316,16 @@ Uhci2GetCapability (
/**
Retrieves the current status of a USB root hub port according to UEFI 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL.
@param PortNumber The port to get status
@param PortStatus A pointer to the current port status bits and port
status change bits.
@param This A pointer to the EFI_USB2_HC_PROTOCOL.
@param PortNumber The port to get status.
@param PortStatus A pointer to the current port status bits and port
status change bits.
@return EFI_SUCCESS : status of the USB root hub port was returned in PortStatus.
@return EFI_INVALID_PARAMETER : PortNumber is invalid.
@return EFI_DEVICE_ERROR : Can't read register
@return EFI_SUCCESS status of the USB root hub port was returned in PortStatus.
@return EFI_INVALID_PARAMETER PortNumber is invalid.
@return EFI_DEVICE_ERROR Can't read register.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2GetRootHubPortStatus (
@ -368,24 +354,24 @@ Uhci2GetRootHubPortStatus (
PortSC = UhciReadReg (Uhc->PciIo, Offset);
if (PortSC & USBPORTSC_CCS) {
if ((PortSC & USBPORTSC_CCS) != 0) {
PortStatus->PortStatus |= USB_PORT_STAT_CONNECTION;
}
if (PortSC & USBPORTSC_PED) {
if ((PortSC & USBPORTSC_PED) != 0) {
PortStatus->PortStatus |= USB_PORT_STAT_ENABLE;
}
if (PortSC & USBPORTSC_SUSP) {
if ((PortSC & USBPORTSC_SUSP) != 0) {
DEBUG ((EFI_D_INFO, "Uhci2GetRootHubPortStatus: port %d is suspended\n", PortNumber));
PortStatus->PortStatus |= USB_PORT_STAT_SUSPEND;
}
if (PortSC & USBPORTSC_PR) {
if ((PortSC & USBPORTSC_PR) != 0) {
PortStatus->PortStatus |= USB_PORT_STAT_RESET;
}
if (PortSC & USBPORTSC_LSDA) {
if ((PortSC & USBPORTSC_LSDA) != 0) {
PortStatus->PortStatus |= USB_PORT_STAT_LOW_SPEED;
}
@ -394,11 +380,11 @@ Uhci2GetRootHubPortStatus (
//
PortStatus->PortStatus |= USB_PORT_STAT_OWNER;
if (PortSC & USBPORTSC_CSC) {
if ((PortSC & USBPORTSC_CSC) != 0) {
PortStatus->PortChangeStatus |= USB_PORT_STAT_C_CONNECTION;
}
if (PortSC & USBPORTSC_PEDC) {
if ((PortSC & USBPORTSC_PEDC) != 0) {
PortStatus->PortChangeStatus |= USB_PORT_STAT_C_ENABLE;
}
@ -409,18 +395,17 @@ Uhci2GetRootHubPortStatus (
/**
Sets a feature for the specified root hub port according to UEFI 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL.
@param PortNumber Specifies the root hub port whose feature is
requested to be set.
@param PortFeature Indicates the feature selector associated with the
feature set request.
@param This A pointer to the EFI_USB2_HC_PROTOCOL.
@param PortNumber Specifies the root hub port whose feature is
requested to be set.
@param PortFeature Indicates the feature selector associated with the
feature set request.
@return EFI_SUCCESS : PortFeature was set for the root port
@return EFI_INVALID_PARAMETER : PortNumber is invalid or PortFeature is invalid.
@return EFI_DEVICE_ERROR : Can't read register
@return EFI_SUCCESS PortFeature was set for the root port.
@return EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
@return EFI_DEVICE_ERROR Can't read register.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2SetRootHubPortFeature (
@ -449,7 +434,7 @@ Uhci2SetRootHubPortFeature (
switch (PortFeature) {
case EfiUsbPortSuspend:
Command = UhciReadReg (Uhc->PciIo, USBCMD_OFFSET);
if (!(Command & USBCMD_EGSM)) {
if ((Command & USBCMD_EGSM) == 0) {
//
// if global suspend is not active, can set port suspend
//
@ -489,18 +474,17 @@ Uhci2SetRootHubPortFeature (
/**
Clears a feature for the specified root hub port according to Uefi 2.0 spec.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param PortNumber Specifies the root hub port whose feature is
requested to be cleared.
@param PortFeature Indicates the feature selector associated with the
feature clear request.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param PortNumber Specifies the root hub port whose feature is
requested to be cleared.
@param PortFeature Indicates the feature selector associated with the
feature clear request.
@return EFI_SUCCESS : PortFeature was cleared for the USB root hub port
@return EFI_INVALID_PARAMETER : PortNumber is invalid or PortFeature is invalid.
@return EFI_DEVICE_ERROR : Can't read register
@return EFI_SUCCESS PortFeature was cleared for the USB root hub port.
@return EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
@return EFI_DEVICE_ERROR Can't read register.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2ClearRootHubPortFeature (
@ -591,27 +575,27 @@ Uhci2ClearRootHubPortFeature (
/**
Submits control transfer to a target USB device accroding to UEFI 2.0 spec..
Submits control transfer to a target USB device accroding to UEFI 2.0 spec.
This : A pointer to the EFI_USB2_HC_PROTOCOL instance.
DeviceAddress : Target device address
DeviceSpeed : Device speed
MaximumPacketLength : Maximum packet size of the target endpoint
Request : USB device request to send
TransferDirection : Data direction of the Data stage in control transfer
Data : Data to transmit/receive in data stage
DataLength : Length of the data
TimeOut : Maximum time, in microseconds, for transfer to complete.
TransferResult : Variable to receive the transfer result
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param DeviceAddress Target device address.
@param DeviceSpeed Device speed.
@param MaximumPacketLength Maximum packet size of the target endpoint.
@param Request USB device request to send.
@param TransferDirection Data direction of the Data stage in control transfer.
@param Data Data to transmit/receive in data stage.
@param DataLength Length of the data.
@param TimeOut Maximum time, in microseconds, for transfer to complete.
@param Translator Transaction translator to be used by this device.
@param TransferResult Variable to receive the transfer result.
@return EFI_SUCCESS : The control transfer was completed successfully.
@return EFI_OUT_OF_RESOURCES : Failed due to lack of resource.
@return EFI_INVALID_PARAMETER : Some parameters are invalid.
@return EFI_TIMEOUT : Failed due to timeout.
@return EFI_DEVICE_ERROR : Failed due to host controller or device error.
@return EFI_SUCCESS The control transfer was completed successfully.
@return EFI_OUT_OF_RESOURCES Failed due to lack of resource.
@return EFI_INVALID_PARAMETER Some parameters are invalid.
@return EFI_TIMEOUT Failed due to timeout.
@return EFI_DEVICE_ERROR Failed due to host controller or device error.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2ControlTransfer (
@ -747,32 +731,30 @@ ON_EXIT:
}
/**
Submits bulk transfer to a bulk endpoint of a USB device
Submits bulk transfer to a bulk endpoint of a USB device.
This : A pointer to the EFI_USB2_HC_PROTOCOL instance.
DeviceAddress : Target device address
EndPointAddress : Endpoint number and direction
DeviceSpeed : Device speed
MaximumPacketLength : Maximum packet size of the target endpoint
DataBuffersNumber : Number of data buffers prepared for the transfer.
Data : Array of pointers to the buffers of data
DataLength : On input, size of the data buffer, On output,
actually transferred data size.
DataToggle : On input, data toggle to use; On output, next data toggle
Translator : A pointr to the transaction translator data.
TimeOut : Maximum time out, in microseconds
TransferResult : Variable to receive transfer result
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param DeviceAddress Target device address.
@param EndPointAddress Endpoint number and direction.
@param DeviceSpeed Device speed.
@param MaximumPacketLength Maximum packet size of the target endpoint.
@param DataBuffersNumber Number of data buffers prepared for the transfer.
@param Data Array of pointers to the buffers of data.
@param DataLength On input, size of the data buffer, On output,
actually transferred data size.
@param DataToggle On input, data toggle to use; On output, next data toggle.
@param TimeOut Maximum time out, in microseconds.
@param Translator A pointr to the transaction translator data.
@param TransferResult Variable to receive transfer result.
@return EFI_SUCCESS : The bulk transfer was completed successfully.
@return EFI_OUT_OF_RESOURCES : Failed due to lack of resource.
@return EFI_INVALID_PARAMETER : Some parameters are invalid.
@return EFI_TIMEOUT : Failed due to timeout.
@return EFI_DEVICE_ERROR : Failed due to host controller or device error.
@return EFI_SUCCESS The bulk transfer was completed successfully.
@return EFI_OUT_OF_RESOURCES Failed due to lack of resource.
@return EFI_INVALID_PARAMETER Some parameters are invalid.
@return EFI_TIMEOUT Failed due to timeout.
@return EFI_DEVICE_ERROR Failed due to host controller or device error.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2BulkTransfer (
@ -809,11 +791,7 @@ Uhci2BulkTransfer (
return EFI_INVALID_PARAMETER;
}
if ((DataLength == NULL) || (Data == NULL) || (TransferResult == NULL)) {
return EFI_INVALID_PARAMETER;
}
if (*DataLength == 0) {
if ((DataLength == NULL) || (*DataLength == 0) || (Data == NULL) || (TransferResult == NULL)) {
return EFI_INVALID_PARAMETER;
}
@ -845,7 +823,7 @@ Uhci2BulkTransfer (
// Map the source data buffer for bus master access,
// then create a list of TDs
//
if (EndPointAddress & 0x80) {
if ((EndPointAddress & 0x80) != 0) {
Direction = EfiUsbDataIn;
} else {
Direction = EfiUsbDataOut;
@ -906,27 +884,26 @@ ON_EXIT:
Submits an asynchronous interrupt transfer to an
interrupt endpoint of a USB device according to UEFI 2.0 spec.
This : A pointer to the EFI_USB2_HC_PROTOCOL instance.
DeviceAddress : Target device address
EndPointAddress : Endpoint number and direction
DeviceSpeed : Device speed
MaximumPacketLength : Maximum packet size of the target endpoint
IsNewTransfer : If TRUE, submit a new transfer, if FALSE cancel old transfer
DataToggle : On input, data toggle to use; On output, next data toggle
PollingInterval : Interrupt poll rate in milliseconds
DataLength : On input, size of the data buffer, On output,
actually transferred data size.
Translator : A pointr to the transaction translator data.
CallBackFunction : Function to call periodically
Context : User context
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param DeviceAddress Target device address.
@param EndPointAddress Endpoint number and direction.
@param DeviceSpeed Device speed.
@param MaximumPacketLength Maximum packet size of the target endpoint.
@param IsNewTransfer If TRUE, submit a new transfer, if FALSE cancel old transfer.
@param DataToggle On input, data toggle to use; On output, next data toggle.
@param PollingInterval Interrupt poll rate in milliseconds.
@param DataLength On input, size of the data buffer, On output,
actually transferred data size.
@param Translator A pointr to the transaction translator data.
@param CallBackFunction Function to call periodically.
@param Context User context.
@return EFI_SUCCESS : Transfer was submitted
@return EFI_INVALID_PARAMETER : Some parameters are invalid.
@return EFI_OUT_OF_RESOURCES : Failed due to a lack of resources.
@return EFI_DEVICE_ERROR : Can't read register
@return EFI_SUCCESS Transfer was submitted.
@return EFI_INVALID_PARAMETER Some parameters are invalid.
@return EFI_OUT_OF_RESOURCES Failed due to a lack of resources.
@return EFI_DEVICE_ERROR Can't read register.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2AsyncInterruptTransfer (
@ -1102,28 +1079,27 @@ FREE_DATA:
Submits synchronous interrupt transfer to an interrupt endpoint
of a USB device according to UEFI 2.0 spec.
This : A pointer to the EFI_USB2_HC_PROTOCOL instance.
DeviceAddress : Target device address
EndPointAddress : Endpoint number and direction
DeviceSpeed : Device speed
MaximumPacketLength : Maximum packet size of the target endpoint
DataBuffersNumber : Number of data buffers prepared for the transfer.
Data : Array of pointers to the buffers of data
DataLength : On input, size of the data buffer, On output,
actually transferred data size.
DataToggle : On input, data toggle to use; On output, next data toggle
TimeOut : Maximum time out, in microseconds
Translator : A pointr to the transaction translator data.
TransferResult : Variable to receive transfer result
@return EFI_SUCCESS : The transfer was completed successfully.
@return EFI_OUT_OF_RESOURCES : Failed due to lack of resource.
@return EFI_INVALID_PARAMETER : Some parameters are invalid.
@return EFI_TIMEOUT : Failed due to timeout.
@return EFI_DEVICE_ERROR : Failed due to host controller or device error.
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param DeviceAddress Target device address.
@param EndPointAddress Endpoint number and direction.
@param DeviceSpeed Device speed.
@param MaximumPacketLength Maximum packet size of the target endpoint.
@param Data Array of pointers to the buffers of data.
@param DataLength On input, size of the data buffer, On output,
actually transferred data size.
@param DataToggle On input, data toggle to use; On output, next data toggle.
@param TimeOut Maximum time out, in microseconds.
@param Translator A pointr to the transaction translator data.
@param TransferResult Variable to receive transfer result.
@return EFI_SUCCESS The transfer was completed successfully.
@return EFI_OUT_OF_RESOURCES Failed due to lack of resource.
@return EFI_INVALID_PARAMETER Some parameters are invalid.
@return EFI_TIMEOUT Failed due to timeout.
@return EFI_DEVICE_ERROR Failed due to host controller or device error.
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2SyncInterruptTransfer (
@ -1254,22 +1230,21 @@ ON_EXIT:
/**
Submits isochronous transfer to a target USB device according to UEFI 2.0 spec.
This : A pointer to the EFI_USB2_HC_PROTOCOL instance.
DeviceAddress : Target device address
EndPointAddress : Endpoint number and direction
DeviceSpeed : Device speed
MaximumPacketLength : Maximum packet size of the target endpoint
DataBuffersNumber : Number of data buffers prepared for the transfer.
Data : Array of pointers to the buffers of data
DataLength : On input, size of the data buffer, On output,
actually transferred data size.
Translator : A pointr to the transaction translator data.
TransferResult : Variable to receive transfer result
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param DeviceAddress Target device address.
@param EndPointAddress Endpoint number and direction.
@param DeviceSpeed Device speed.
@param MaximumPacketLength Maximum packet size of the target endpoint.
@param DataBuffersNumber Number of data buffers prepared for the transfer.
@param Data Array of pointers to the buffers of data.
@param DataLength On input, size of the data buffer, On output,
actually transferred data size.
@param Translator A pointr to the transaction translator data.
@param TransferResult Variable to receive transfer result.
@return EFI_UNSUPPORTED
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2IsochronousTransfer (
@ -1292,21 +1267,22 @@ Uhci2IsochronousTransfer (
/**
Submits Async isochronous transfer to a target USB device according to UEFI 2.0 spec.
This : A pointer to the EFI_USB2_HC_PROTOCOL instance.
DeviceAddress : Target device address
EndPointAddress : Endpoint number and direction
DeviceSpeed : Device speed
MaximumPacketLength : Maximum packet size of the target endpoint
DataBuffersNumber : Number of data buffers prepared for the transfer.
Data : Array of pointers to the buffers of data
Translator : A pointr to the transaction translator data.
IsochronousCallBack : Function to call when the transfer complete
Context : Pass to the call back function as parameter
@param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
@param DeviceAddress Target device address.
@param EndPointAddress Endpoint number and direction.
@param DeviceSpeed Device speed.
@param MaximumPacketLength Maximum packet size of the target endpoint.
@param DataBuffersNumber Number of data buffers prepared for the transfer.
@param Data Array of pointers to the buffers of data.
@param DataLength On input, size of the data buffer, On output,
actually transferred data size.
@param Translator A pointr to the transaction translator data.
@param IsochronousCallBack Function to call when the transfer complete.
@param Context Pass to the call back function as parameter.
@return EFI_UNSUPPORTED
**/
STATIC
EFI_STATUS
EFIAPI
Uhci2AsyncIsochronousTransfer (
@ -1326,29 +1302,22 @@ Uhci2AsyncIsochronousTransfer (
return EFI_UNSUPPORTED;
}
/**
Entry point for EFI drivers.
@param ImageHandle EFI_HANDLE.
@param SystemTable EFI_SYSTEM_TABLE.
@retval EFI_SUCCESS Driver is successfully loaded.
@return Others Failed.
**/
EFI_STATUS
EFIAPI
UhciDriverEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Entry point for EFI drivers.
Arguments:
ImageHandle - EFI_HANDLE
SystemTable - EFI_SYSTEM_TABLE
Returns:
EFI_SUCCESS : Driver is successfully loaded
Others : Failed
--*/
{
return EfiLibInstallDriverBindingComponentName2 (
ImageHandle,
@ -1366,11 +1335,11 @@ UhciDriverEntryPoint (
ControllerHandle that has UsbHcProtocol installed will be supported.
@param This Protocol instance pointer.
@param Controller Handle of device to test
@param RemainingDevicePath Not used
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@return EFI_SUCCESS : This driver supports this device.
@return EFI_UNSUPPORTED : This driver does not support this device.
@return EFI_SUCCESS This driver supports this device.
@return EFI_UNSUPPORTED This driver does not support this device.
**/
EFI_STATUS
@ -1440,14 +1409,14 @@ ON_EXIT:
/**
Allocate and initialize the empty UHCI device
Allocate and initialize the empty UHCI device.
@param PciIo The PCIIO to use
@param PciIo The PCIIO to use.
@param OriginalPciAttributes The original PCI attributes.
@return Allocated UHCI device
@return Allocated UHCI device. If err, return NULL.
**/
STATIC
USB_HC_DEV *
UhciAllocateDev (
IN EFI_PCI_IO_PROTOCOL *PciIo,
@ -1517,14 +1486,13 @@ ON_ERROR:
/**
Free the UHCI device and release its associated resources
Free the UHCI device and release its associated resources.
@param Uhc The UHCI device to release
@param Uhc The UHCI device to release.
@return None
@return None.
**/
STATIC
VOID
UhciFreeDev (
IN USB_HC_DEV *Uhc
@ -1538,7 +1506,7 @@ UhciFreeDev (
UsbHcFreeMemPool (Uhc->MemPool);
}
if (Uhc->CtrlNameTable) {
if (Uhc->CtrlNameTable != NULL) {
FreeUnicodeStringTable (Uhc->CtrlNameTable);
}
@ -1547,15 +1515,14 @@ UhciFreeDev (
/**
Uninstall all Uhci Interface
Uninstall all Uhci Interface.
@param Controller Controller handle
@param Controller Controller handle.
@param This Protocol instance pointer.
@return VOID
@return None.
**/
STATIC
VOID
UhciCleanDevUp (
IN EFI_HANDLE Controller,
@ -1594,17 +1561,16 @@ UhciCleanDevUp (
/**
Starting the Usb UHCI Driver
Starting the Usb UHCI Driver.
@param This Protocol instance pointer.
@param Controller Handle of device to test
@param RemainingDevicePath Not used
@param Controller Handle of device to test.
@param RemainingDevicePath Not used.
@retval EFI_SUCCESS This driver supports this device.
@retval EFI_UNSUPPORTED This driver does not support this device.
@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error
EFI_OUT_OF_RESOURCES- Failed due to resource
shortage
@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
EFI_OUT_OF_RESOURCES- Failed due to resource shortage.
**/
EFI_STATUS
@ -1784,8 +1750,8 @@ CLOSE_PCIIO:
created by this driver.
@param This Protocol instance pointer.
@param Controller Handle of device to stop driver on
@param NumberOfChildren Number of Children in the ChildHandleBuffer
@param Controller Handle of device to stop driver on.
@param NumberOfChildren Number of Children in the ChildHandleBuffer.
@param ChildHandleBuffer List of handles for the children we need to stop.
@return EFI_SUCCESS