\r
Usb Bus Driver Binding and Bus IO Protocol.\r
\r
-Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.<BR>\r
-This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The 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
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UsbBus.h"\r
\r
-//\r
-// USB_BUS_PROTOCOL is only used to locate USB_BUS\r
-//\r
-EFI_GUID mUsbBusProtocolGuid = EFI_USB_BUS_PROTOCOL_GUID;\r
-\r
-EFI_USB_IO_PROTOCOL mUsbIoProtocol = {\r
+EFI_USB_IO_PROTOCOL mUsbIoProtocol = {\r
UsbIoControlTransfer,\r
UsbIoBulkTransfer,\r
UsbIoAsyncInterruptTransfer,\r
UsbIoPortReset\r
};\r
\r
-EFI_DRIVER_BINDING_PROTOCOL mUsbBusDriverBinding = {\r
+EFI_DRIVER_BINDING_PROTOCOL mUsbBusDriverBinding = {\r
UsbBusControllerDriverSupported,\r
UsbBusControllerDriverStart,\r
UsbBusControllerDriverStop,\r
NULL\r
};\r
\r
-\r
/**\r
USB_IO function to execute a control transfer. This\r
function will execute the USB transfer. If transfer\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
+ IN OUT VOID *Data OPTIONAL,\r
+ IN UINTN DataLength OPTIONAL,\r
OUT UINT32 *UsbStatus\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- USB_ENDPOINT_DESC *EpDesc;\r
- EFI_TPL OldTpl;\r
- EFI_STATUS Status;\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ USB_ENDPOINT_DESC *EpDesc;\r
+ EFI_TPL OldTpl;\r
+ EFI_STATUS Status;\r
+ UINTN RequestedDataLength;\r
\r
if (UsbStatus == NULL) {\r
return EFI_INVALID_PARAMETER;\r
\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
-\r
- Status = UsbHcControlTransfer (\r
- Dev->Bus,\r
- Dev->Address,\r
- Dev->Speed,\r
- Dev->MaxPacket0,\r
- Request,\r
- Direction,\r
- Data,\r
- &DataLength,\r
- (UINTN) Timeout,\r
- &Dev->Translator,\r
- UsbStatus\r
- );\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
+\r
+ RequestedDataLength = DataLength;\r
+ Status = UsbHcControlTransfer (\r
+ Dev->Bus,\r
+ Dev->Address,\r
+ Dev->Speed,\r
+ Dev->MaxPacket0,\r
+ Request,\r
+ Direction,\r
+ Data,\r
+ &DataLength,\r
+ (UINTN)Timeout,\r
+ &Dev->Translator,\r
+ UsbStatus\r
+ );\r
+ //\r
+ // If the request completed successfully and the Direction of the request is\r
+ // EfiUsbDataIn or EfiUsbDataOut, then make sure the actual number of bytes\r
+ // transferred is the same as the number of bytes requested. If a different\r
+ // number of bytes were transferred, then return EFI_DEVICE_ERROR.\r
+ //\r
+ if (!EFI_ERROR (Status)) {\r
+ if ((Direction != EfiUsbNoData) && (DataLength != RequestedDataLength)) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto ON_EXIT;\r
+ }\r
+ }\r
\r
if (EFI_ERROR (Status) || (*UsbStatus != EFI_USB_NOERROR)) {\r
//\r
// Clear TT buffer when CTRL/BULK split transaction failes\r
// Clear the TRANSLATOR TT buffer, not parent's buffer\r
//\r
- ASSERT (Dev->Translator.TranslatorHubAddress < USB_MAX_DEVICES);\r
+ ASSERT (Dev->Translator.TranslatorHubAddress < Dev->Bus->MaxDevices);\r
if (Dev->Translator.TranslatorHubAddress != 0) {\r
UsbHubCtrlClearTTBuffer (\r
Dev->Bus->Devices[Dev->Translator.TranslatorHubAddress],\r
// Reset the endpoint toggle when endpoint stall is cleared\r
//\r
if ((Request->Request == USB_REQ_CLEAR_FEATURE) &&\r
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_STANDARD,\r
- USB_TARGET_ENDPOINT)) &&\r
- (Request->Value == USB_FEATURE_ENDPOINT_HALT)) {\r
-\r
- EpDesc = UsbGetEndpointDesc (UsbIf, (UINT8) Request->Index);\r
+ (Request->RequestType == USB_REQUEST_TYPE (\r
+ EfiUsbNoData,\r
+ USB_REQ_TYPE_STANDARD,\r
+ USB_TARGET_ENDPOINT\r
+ )) &&\r
+ (Request->Value == USB_FEATURE_ENDPOINT_HALT))\r
+ {\r
+ EpDesc = UsbGetEndpointDesc (UsbIf, (UINT8)Request->Index);\r
\r
if (EpDesc != NULL) {\r
EpDesc->Toggle = 0;\r
// completely irrelevant.\r
//\r
if ((Request->Request == USB_REQ_SET_CONFIG) &&\r
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_STANDARD,\r
- USB_TARGET_DEVICE))) {\r
+ (Request->RequestType == USB_REQUEST_TYPE (\r
+ EfiUsbNoData,\r
+ USB_REQ_TYPE_STANDARD,\r
+ USB_TARGET_DEVICE\r
+ )))\r
+ {\r
//\r
// Don't re-create the USB interfaces if configuration isn't changed.\r
//\r
if ((Dev->ActiveConfig != NULL) &&\r
- (Request->Value == Dev->ActiveConfig->Desc.ConfigurationValue)) {\r
-\r
+ (Request->Value == Dev->ActiveConfig->Desc.ConfigurationValue))\r
+ {\r
goto ON_EXIT;\r
}\r
- DEBUG ((EFI_D_INFO, "UsbIoControlTransfer: configure changed!!! Do NOT use old UsbIo!!!\n"));\r
+\r
+ DEBUG ((DEBUG_INFO, "UsbIoControlTransfer: configure changed!!! Do NOT use old UsbIo!!!\n"));\r
\r
if (Dev->ActiveConfig != NULL) {\r
UsbRemoveConfig (Dev);\r
}\r
\r
if (Request->Value != 0) {\r
- Status = UsbSelectConfig (Dev, (UINT8) Request->Value);\r
+ Status = UsbSelectConfig (Dev, (UINT8)Request->Value);\r
}\r
\r
//\r
// should remains the same.\r
//\r
if ((Request->Request == USB_REQ_SET_INTERFACE) &&\r
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_STANDARD,\r
- USB_TARGET_INTERFACE)) &&\r
- (Request->Index == UsbIf->IfSetting->Desc.InterfaceNumber)) {\r
-\r
- Status = UsbSelectSetting (UsbIf->IfDesc, (UINT8) Request->Value);\r
+ (Request->RequestType == USB_REQUEST_TYPE (\r
+ EfiUsbNoData,\r
+ USB_REQ_TYPE_STANDARD,\r
+ USB_TARGET_INTERFACE\r
+ )) &&\r
+ (Request->Index == UsbIf->IfSetting->Desc.InterfaceNumber))\r
+ {\r
+ Status = UsbSelectSetting (UsbIf->IfDesc, (UINT8)Request->Value);\r
\r
if (!EFI_ERROR (Status)) {\r
ASSERT (UsbIf->IfDesc->ActiveIndex < USB_MAX_INTERFACE_SETTING);\r
return Status;\r
}\r
\r
-\r
/**\r
Execute a bulk transfer to the device endpoint.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoBulkTransfer (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- IN UINT8 Endpoint,\r
- IN OUT VOID *Data,\r
- IN OUT UINTN *DataLength,\r
- IN UINTN Timeout,\r
- OUT UINT32 *UsbStatus\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ IN UINT8 Endpoint,\r
+ IN OUT VOID *Data,\r
+ IN OUT UINTN *DataLength,\r
+ IN UINTN Timeout,\r
+ OUT UINT32 *UsbStatus\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- USB_ENDPOINT_DESC *EpDesc;\r
- UINT8 BufNum;\r
- UINT8 Toggle;\r
- EFI_TPL OldTpl;\r
- EFI_STATUS Status;\r
-\r
- if ((USB_ENDPOINT_ADDR (Endpoint) == 0) || (USB_ENDPOINT_ADDR(Endpoint) > 15) ||\r
- (UsbStatus == NULL)) {\r
-\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ USB_ENDPOINT_DESC *EpDesc;\r
+ UINT8 BufNum;\r
+ UINT8 Toggle;\r
+ EFI_TPL OldTpl;\r
+ EFI_STATUS Status;\r
+\r
+ if ((USB_ENDPOINT_ADDR (Endpoint) == 0) || (USB_ENDPOINT_ADDR (Endpoint) > 15) ||\r
+ (UsbStatus == NULL))\r
+ {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
+ OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
- EpDesc = UsbGetEndpointDesc (UsbIf, Endpoint);\r
+ EpDesc = UsbGetEndpointDesc (UsbIf, Endpoint);\r
\r
if ((EpDesc == NULL) || (USB_ENDPOINT_TYPE (&EpDesc->Desc) != USB_ENDPOINT_BULK)) {\r
Status = EFI_INVALID_PARAMETER;\r
goto ON_EXIT;\r
}\r
\r
- BufNum = 1;\r
- Toggle = EpDesc->Toggle;\r
- Status = UsbHcBulkTransfer (\r
- Dev->Bus,\r
- Dev->Address,\r
- Endpoint,\r
- Dev->Speed,\r
- EpDesc->Desc.MaxPacketSize,\r
- BufNum,\r
- &Data,\r
- DataLength,\r
- &Toggle,\r
- Timeout,\r
- &Dev->Translator,\r
- UsbStatus\r
- );\r
+ BufNum = 1;\r
+ Toggle = EpDesc->Toggle;\r
+ Status = UsbHcBulkTransfer (\r
+ Dev->Bus,\r
+ Dev->Address,\r
+ Endpoint,\r
+ Dev->Speed,\r
+ EpDesc->Desc.MaxPacketSize,\r
+ BufNum,\r
+ &Data,\r
+ DataLength,\r
+ &Toggle,\r
+ Timeout,\r
+ &Dev->Translator,\r
+ UsbStatus\r
+ );\r
\r
EpDesc->Toggle = Toggle;\r
\r
// Clear TT buffer when CTRL/BULK split transaction failes.\r
// Clear the TRANSLATOR TT buffer, not parent's buffer\r
//\r
- ASSERT (Dev->Translator.TranslatorHubAddress < USB_MAX_DEVICES);\r
+ ASSERT (Dev->Translator.TranslatorHubAddress < Dev->Bus->MaxDevices);\r
if (Dev->Translator.TranslatorHubAddress != 0) {\r
UsbHubCtrlClearTTBuffer (\r
Dev->Bus->Devices[Dev->Translator.TranslatorHubAddress],\r
return Status;\r
}\r
\r
-\r
/**\r
Execute a synchronous interrupt transfer.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoSyncInterruptTransfer (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- IN UINT8 Endpoint,\r
- IN OUT VOID *Data,\r
- IN OUT UINTN *DataLength,\r
- IN UINTN Timeout,\r
- OUT UINT32 *UsbStatus\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ IN UINT8 Endpoint,\r
+ IN OUT VOID *Data,\r
+ IN OUT UINTN *DataLength,\r
+ IN UINTN Timeout,\r
+ OUT UINT32 *UsbStatus\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- USB_ENDPOINT_DESC *EpDesc;\r
- EFI_TPL OldTpl;\r
- UINT8 Toggle;\r
- EFI_STATUS Status;\r
-\r
- if ((USB_ENDPOINT_ADDR (Endpoint) == 0) || (USB_ENDPOINT_ADDR(Endpoint) > 15) ||\r
- (UsbStatus == NULL)) {\r
-\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ USB_ENDPOINT_DESC *EpDesc;\r
+ EFI_TPL OldTpl;\r
+ UINT8 Toggle;\r
+ EFI_STATUS Status;\r
+\r
+ if ((USB_ENDPOINT_ADDR (Endpoint) == 0) || (USB_ENDPOINT_ADDR (Endpoint) > 15) ||\r
+ (UsbStatus == NULL))\r
+ {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
+ OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
- EpDesc = UsbGetEndpointDesc (UsbIf, Endpoint);\r
+ EpDesc = UsbGetEndpointDesc (UsbIf, Endpoint);\r
\r
if ((EpDesc == NULL) || (USB_ENDPOINT_TYPE (&EpDesc->Desc) != USB_ENDPOINT_INTERRUPT)) {\r
Status = EFI_INVALID_PARAMETER;\r
return Status;\r
}\r
\r
-\r
/**\r
Queue a new asynchronous interrupt transfer, or remove the old\r
request if (IsNewTransfer == FALSE).\r
the request.\r
@param PollInterval The interval to poll the transfer result, (in ms).\r
@param DataLength The length of perodic data transfer.\r
- @param Callback The function to call periodicaly when transfer is\r
+ @param Callback The function to call periodically when transfer is\r
ready.\r
@param Context The context to the callback.\r
\r
IN EFI_USB_IO_PROTOCOL *This,\r
IN UINT8 Endpoint,\r
IN BOOLEAN IsNewTransfer,\r
- IN UINTN PollInterval, OPTIONAL\r
- IN UINTN DataLength, OPTIONAL\r
- IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback, OPTIONAL\r
+ IN UINTN PollInterval OPTIONAL,\r
+ IN UINTN DataLength OPTIONAL,\r
+ IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback OPTIONAL,\r
IN VOID *Context OPTIONAL\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- USB_ENDPOINT_DESC *EpDesc;\r
- EFI_TPL OldTpl;\r
- UINT8 Toggle;\r
- EFI_STATUS Status;\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ USB_ENDPOINT_DESC *EpDesc;\r
+ EFI_TPL OldTpl;\r
+ UINT8 Toggle;\r
+ EFI_STATUS Status;\r
\r
if ((USB_ENDPOINT_ADDR (Endpoint) == 0) || (USB_ENDPOINT_ADDR (Endpoint) > 15)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
- EpDesc = UsbGetEndpointDesc (UsbIf, Endpoint);\r
+ EpDesc = UsbGetEndpointDesc (UsbIf, Endpoint);\r
\r
if ((EpDesc == NULL) || (USB_ENDPOINT_TYPE (&EpDesc->Desc) != USB_ENDPOINT_INTERRUPT)) {\r
Status = EFI_INVALID_PARAMETER;\r
goto ON_EXIT;\r
}\r
\r
- Toggle = EpDesc->Toggle;\r
- Status = UsbHcAsyncInterruptTransfer (\r
- Dev->Bus,\r
- Dev->Address,\r
- Endpoint,\r
- Dev->Speed,\r
- EpDesc->Desc.MaxPacketSize,\r
- IsNewTransfer,\r
- &Toggle,\r
- PollInterval,\r
- DataLength,\r
- &Dev->Translator,\r
- Callback,\r
- Context\r
- );\r
+ Toggle = EpDesc->Toggle;\r
+ Status = UsbHcAsyncInterruptTransfer (\r
+ Dev->Bus,\r
+ Dev->Address,\r
+ Endpoint,\r
+ Dev->Speed,\r
+ EpDesc->Desc.MaxPacketSize,\r
+ IsNewTransfer,\r
+ &Toggle,\r
+ PollInterval,\r
+ DataLength,\r
+ &Dev->Translator,\r
+ Callback,\r
+ Context\r
+ );\r
\r
EpDesc->Toggle = Toggle;\r
\r
return Status;\r
}\r
\r
-\r
/**\r
Execute a synchronous isochronous transfer.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoIsochronousTransfer (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- IN UINT8 DeviceEndpoint,\r
- IN OUT VOID *Data,\r
- IN UINTN DataLength,\r
- OUT UINT32 *Status\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ IN UINT8 DeviceEndpoint,\r
+ IN OUT VOID *Data,\r
+ IN UINTN DataLength,\r
+ OUT UINT32 *Status\r
)\r
{\r
return EFI_UNSUPPORTED;\r
}\r
\r
-\r
/**\r
Queue an asynchronous isochronous transfer.\r
\r
@param DeviceEndpoint The device endpoint.\r
@param Data The data to transfer.\r
@param DataLength The length of perodic data transfer.\r
- @param IsochronousCallBack The function to call periodicaly when transfer is\r
+ @param IsochronousCallBack The function to call periodically when transfer is\r
ready.\r
@param Context The context to the callback.\r
\r
return EFI_UNSUPPORTED;\r
}\r
\r
-\r
/**\r
Retrieve the device descriptor of the device.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoGetDeviceDescriptor (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- OUT EFI_USB_DEVICE_DESCRIPTOR *Descriptor\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ OUT EFI_USB_DEVICE_DESCRIPTOR *Descriptor\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- EFI_TPL OldTpl;\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ EFI_TPL OldTpl;\r
\r
if (Descriptor == NULL) {\r
return EFI_INVALID_PARAMETER;\r
\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
CopyMem (Descriptor, &Dev->DevDesc->Desc, sizeof (EFI_USB_DEVICE_DESCRIPTOR));\r
\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Return the configuration descriptor of the current active configuration.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoGetActiveConfigDescriptor (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- OUT EFI_USB_CONFIG_DESCRIPTOR *Descriptor\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ OUT EFI_USB_CONFIG_DESCRIPTOR *Descriptor\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- EFI_STATUS Status;\r
- EFI_TPL OldTpl;\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ EFI_STATUS Status;\r
+ EFI_TPL OldTpl;\r
\r
if (Descriptor == NULL) {\r
return EFI_INVALID_PARAMETER;\r
Status = EFI_SUCCESS;\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
if (Dev->ActiveConfig == NULL) {\r
Status = EFI_NOT_FOUND;\r
return Status;\r
}\r
\r
-\r
/**\r
Retrieve the active interface setting descriptor for this USB IO instance.\r
\r
OUT EFI_USB_INTERFACE_DESCRIPTOR *Descriptor\r
)\r
{\r
- USB_INTERFACE *UsbIf;\r
- EFI_TPL OldTpl;\r
+ USB_INTERFACE *UsbIf;\r
+ EFI_TPL OldTpl;\r
\r
if (Descriptor == NULL) {\r
return EFI_INVALID_PARAMETER;\r
\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
CopyMem (Descriptor, &(UsbIf->IfSetting->Desc), sizeof (EFI_USB_INTERFACE_DESCRIPTOR));\r
\r
gBS->RestoreTPL (OldTpl);\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Retrieve the endpoint descriptor from this interface setting.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoGetEndpointDescriptor (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- IN UINT8 Index,\r
- OUT EFI_USB_ENDPOINT_DESCRIPTOR *Descriptor\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ IN UINT8 Index,\r
+ OUT EFI_USB_ENDPOINT_DESCRIPTOR *Descriptor\r
)\r
{\r
- USB_INTERFACE *UsbIf;\r
- EFI_TPL OldTpl;\r
+ USB_INTERFACE *UsbIf;\r
+ EFI_TPL OldTpl;\r
\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
\r
if ((Descriptor == NULL) || (Index > 15)) {\r
gBS->RestoreTPL (OldTpl);\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Retrieve the supported language ID table from the device.\r
\r
@param This The USB IO instance.\r
@param LangIDTable The table to return the language IDs.\r
- @param TableSize The number of supported languanges.\r
+ @param TableSize The size, in bytes, of the table LangIDTable.\r
\r
@retval EFI_SUCCESS The language ID is return.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoGetSupportedLanguages (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- OUT UINT16 **LangIDTable,\r
- OUT UINT16 *TableSize\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ OUT UINT16 **LangIDTable,\r
+ OUT UINT16 *TableSize\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- EFI_TPL OldTpl;\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ EFI_TPL OldTpl;\r
\r
- OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
+ OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
- *LangIDTable = Dev->LangId;\r
- *TableSize = Dev->TotalLangId;\r
+ *LangIDTable = Dev->LangId;\r
+ *TableSize = (UINT16)(Dev->TotalLangId * sizeof (UINT16));\r
\r
gBS->RestoreTPL (OldTpl);\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Retrieve an indexed string in the language of LangID.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbIoGetStringDescriptor (\r
- IN EFI_USB_IO_PROTOCOL *This,\r
- IN UINT16 LangID,\r
- IN UINT8 StringIndex,\r
- OUT CHAR16 **String\r
+ IN EFI_USB_IO_PROTOCOL *This,\r
+ IN UINT16 LangID,\r
+ IN UINT8 StringIndex,\r
+ OUT CHAR16 **String\r
)\r
{\r
- USB_DEVICE *Dev;\r
- USB_INTERFACE *UsbIf;\r
- EFI_USB_STRING_DESCRIPTOR *StrDesc;\r
- EFI_TPL OldTpl;\r
- UINT8 *Buf;\r
- UINT8 Index;\r
- EFI_STATUS Status;\r
+ USB_DEVICE *Dev;\r
+ USB_INTERFACE *UsbIf;\r
+ EFI_USB_STRING_DESCRIPTOR *StrDesc;\r
+ EFI_TPL OldTpl;\r
+ UINT8 *Buf;\r
+ UINT8 Index;\r
+ EFI_STATUS Status;\r
\r
if ((StringIndex == 0) || (LangID == 0)) {\r
return EFI_NOT_FOUND;\r
\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
//\r
// Check whether language ID is supported\r
}\r
\r
CopyMem (Buf, StrDesc->String, StrDesc->Length - 2);\r
- *String = (CHAR16 *) Buf;\r
+ *String = (CHAR16 *)Buf;\r
Status = EFI_SUCCESS;\r
\r
FREE_STR:\r
return Status;\r
}\r
\r
-\r
/**\r
Reset the device, then if that succeeds, reconfigure the\r
device with its address and current active configuration.\r
IN EFI_USB_IO_PROTOCOL *This\r
)\r
{\r
- USB_INTERFACE *UsbIf;\r
- USB_INTERFACE *HubIf;\r
- USB_DEVICE *Dev;\r
- UINT8 Address;\r
- EFI_TPL OldTpl;\r
- EFI_STATUS Status;\r
+ USB_INTERFACE *UsbIf;\r
+ USB_INTERFACE *HubIf;\r
+ USB_DEVICE *Dev;\r
+ EFI_TPL OldTpl;\r
+ EFI_STATUS Status;\r
+ UINT8 DevAddress;\r
\r
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
- Dev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (This);\r
+ Dev = UsbIf->Device;\r
\r
if (UsbIf->IsHub) {\r
Status = EFI_INVALID_PARAMETER;\r
Status = HubIf->HubApi->ResetPort (HubIf, Dev->ParentPort);\r
\r
if (EFI_ERROR (Status)) {\r
- DEBUG (( EFI_D_ERROR, "UsbIoPortReset: failed to reset hub port %d@hub %d, %r \n",\r
- Dev->ParentPort, Dev->ParentAddr, Status));\r
+ DEBUG ((\r
+ DEBUG_ERROR,\r
+ "UsbIoPortReset: failed to reset hub port %d@hub %d, %r \n",\r
+ Dev->ParentPort,\r
+ Dev->ParentAddr,\r
+ Status\r
+ ));\r
\r
goto ON_EXIT;\r
}\r
\r
+ HubIf->HubApi->ClearPortChange (HubIf, Dev->ParentPort);\r
+\r
//\r
- // Reset the device to its current address. The device now has a\r
- // address of ZERO, so need to set Dev->Address to zero first for\r
- // host to communicate with the device\r
+ // Reset the device to its current address. The device now has an address\r
+ // of ZERO after port reset, so need to set Dev->Address to the device again for\r
+ // host to communicate with it.\r
//\r
- Address = Dev->Address;\r
- Dev->Address = 0;\r
- Status = UsbSetAddress (Dev, Address);\r
+ DevAddress = Dev->Address;\r
+ Dev->Address = 0;\r
+ Status = UsbSetAddress (Dev, DevAddress);\r
+ Dev->Address = DevAddress;\r
\r
gBS->Stall (USB_SET_DEVICE_ADDRESS_STALL);\r
- \r
+\r
if (EFI_ERROR (Status)) {\r
- DEBUG (( EFI_D_ERROR, "UsbIoPortReset: failed to set address for device %d - %r\n",\r
- Address, Status));\r
+ //\r
+ // It may fail due to device disconnection or other reasons.\r
+ //\r
+ DEBUG ((\r
+ DEBUG_ERROR,\r
+ "UsbIoPortReset: failed to set address for device %d - %r\n",\r
+ Dev->Address,\r
+ Status\r
+ ));\r
\r
goto ON_EXIT;\r
}\r
\r
- Dev->Address = Address;\r
+ DEBUG ((DEBUG_INFO, "UsbIoPortReset: device is now ADDRESSED at %d\n", Dev->Address));\r
\r
- DEBUG (( EFI_D_INFO, "UsbIoPortReset: device is now ADDRESSED at %d\n", Address));\r
- \r
//\r
// Reset the current active configure, after this device\r
// is in CONFIGURED state.\r
Status = UsbSetConfig (Dev, Dev->ActiveConfig->Desc.ConfigurationValue);\r
\r
if (EFI_ERROR (Status)) {\r
- DEBUG (( EFI_D_ERROR, "UsbIoPortReset: failed to set configure for device %d - %r\n",\r
- Address, Status));\r
+ DEBUG ((\r
+ DEBUG_ERROR,\r
+ "UsbIoPortReset: failed to set configure for device %d - %r\n",\r
+ Dev->Address,\r
+ Status\r
+ ));\r
}\r
}\r
\r
return Status;\r
}\r
\r
-\r
/**\r
Install Usb Bus Protocol on host controller, and start the Usb bus.\r
\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
)\r
{\r
- USB_BUS *UsbBus;\r
- USB_DEVICE *RootHub;\r
- USB_INTERFACE *RootIf;\r
- EFI_STATUS Status;\r
- EFI_STATUS Status2;\r
+ USB_BUS *UsbBus;\r
+ USB_DEVICE *RootHub;\r
+ USB_INTERFACE *RootIf;\r
+ EFI_STATUS Status;\r
+ EFI_STATUS Status2;\r
\r
UsbBus = AllocateZeroPool (sizeof (USB_BUS));\r
\r
return EFI_OUT_OF_RESOURCES;\r
}\r
\r
- UsbBus->Signature = USB_BUS_SIGNATURE;\r
- UsbBus->HostHandle = Controller;\r
+ UsbBus->Signature = USB_BUS_SIGNATURE;\r
+ UsbBus->HostHandle = Controller;\r
+ UsbBus->MaxDevices = USB_MAX_DEVICES;\r
\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiDevicePathProtocolGuid,\r
- (VOID **) &UsbBus->DevicePath,\r
+ (VOID **)&UsbBus->DevicePath,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
\r
if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "UsbBusStart: Failed to open device path %r\n", Status));\r
+ DEBUG ((DEBUG_ERROR, "UsbBusStart: Failed to open device path %r\n", Status));\r
\r
FreePool (UsbBus);\r
return Status;\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiUsb2HcProtocolGuid,\r
- (VOID **) &(UsbBus->Usb2Hc),\r
+ (VOID **)&(UsbBus->Usb2Hc),\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
Status2 = gBS->OpenProtocol (\r
Controller,\r
&gEfiUsbHcProtocolGuid,\r
- (VOID **) &(UsbBus->UsbHc),\r
+ (VOID **)&(UsbBus->UsbHc),\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
\r
if (EFI_ERROR (Status) && EFI_ERROR (Status2)) {\r
- DEBUG ((EFI_D_ERROR, "UsbBusStart: Failed to open USB_HC/USB2_HC %r\n", Status));\r
+ DEBUG ((DEBUG_ERROR, "UsbBusStart: Failed to open USB_HC/USB2_HC %r\n", Status));\r
\r
Status = EFI_DEVICE_ERROR;\r
goto CLOSE_HC;\r
}\r
\r
- UsbHcReset (UsbBus, EFI_USB_HC_RESET_GLOBAL);\r
- UsbHcSetState (UsbBus, EfiUsbHcStateOperational);\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // The EFI_USB2_HC_PROTOCOL is produced for XHCI support.\r
+ // Then its max supported devices are 256. Otherwise it's 128.\r
+ //\r
+ ASSERT (UsbBus->Usb2Hc != NULL);\r
+ if (UsbBus->Usb2Hc->MajorRevision == 0x3) {\r
+ UsbBus->MaxDevices = 256;\r
+ }\r
+ }\r
\r
//\r
// Install an EFI_USB_BUS_PROTOCOL to host controller to identify it.\r
//\r
Status = gBS->InstallProtocolInterface (\r
&Controller,\r
- &mUsbBusProtocolGuid,\r
+ &gEfiCallerIdGuid,\r
EFI_NATIVE_INTERFACE,\r
&UsbBus->BusId\r
);\r
\r
if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "UsbBusStart: Failed to install bus protocol %r\n", Status));\r
+ DEBUG ((DEBUG_ERROR, "UsbBusStart: Failed to install bus protocol %r\n", Status));\r
goto CLOSE_HC;\r
}\r
\r
RootHub->Bus = UsbBus;\r
RootHub->NumOfInterface = 1;\r
RootHub->Interfaces[0] = RootIf;\r
+ RootHub->Tier = 0;\r
RootIf->Signature = USB_INTERFACE_SIGNATURE;\r
RootIf->Device = RootHub;\r
RootIf->DevicePath = UsbBus->DevicePath;\r
\r
- Status = mUsbRootHubApi.Init (RootIf);\r
+ //\r
+ // Report Status Code here since we will enumerate the USB devices\r
+ //\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ (EFI_IO_BUS_USB | EFI_IOB_PC_DETECT),\r
+ UsbBus->DevicePath\r
+ );\r
+\r
+ Status = mUsbRootHubApi.Init (RootIf);\r
\r
if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "UsbBusStart: Failed to init root hub %r\n", Status));\r
+ DEBUG ((DEBUG_ERROR, "UsbBusStart: Failed to init root hub %r\n", Status));\r
goto FREE_ROOTHUB;\r
}\r
\r
UsbBus->Devices[0] = RootHub;\r
\r
- DEBUG ((EFI_D_INFO, "UsbBusStart: usb bus started on %p, root hub %p\n", Controller, RootIf));\r
+ DEBUG ((DEBUG_INFO, "UsbBusStart: usb bus started on %p, root hub %p\n", Controller, RootIf));\r
return EFI_SUCCESS;\r
\r
FREE_ROOTHUB:\r
if (RootIf != NULL) {\r
FreePool (RootIf);\r
}\r
+\r
if (RootHub != NULL) {\r
FreePool (RootHub);\r
}\r
\r
UNINSTALL_USBBUS:\r
- gBS->UninstallProtocolInterface (Controller, &mUsbBusProtocolGuid, &UsbBus->BusId);\r
+ gBS->UninstallProtocolInterface (Controller, &gEfiCallerIdGuid, &UsbBus->BusId);\r
\r
CLOSE_HC:\r
if (UsbBus->Usb2Hc != NULL) {\r
gBS->CloseProtocol (\r
- Controller,\r
- &gEfiUsb2HcProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
+ Controller,\r
+ &gEfiUsb2HcProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
}\r
+\r
if (UsbBus->UsbHc != NULL) {\r
gBS->CloseProtocol (\r
- Controller,\r
- &gEfiUsbHcProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
+ Controller,\r
+ &gEfiUsbHcProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
}\r
+\r
gBS->CloseProtocol (\r
Controller,\r
&gEfiDevicePathProtocolGuid,\r
);\r
FreePool (UsbBus);\r
\r
- DEBUG ((EFI_D_ERROR, "UsbBusStart: Failed to start bus driver %r\n", Status));\r
+ DEBUG ((DEBUG_ERROR, "UsbBusStart: Failed to start bus driver %r\n", Status));\r
return Status;\r
}\r
\r
-\r
/**\r
The USB bus driver entry pointer.\r
\r
EFI_STATUS\r
EFIAPI\r
UsbBusDriverEntryPoint (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
{\r
return EfiLibInstallDriverBindingComponentName2 (\r
);\r
}\r
\r
-\r
/**\r
Check whether USB bus driver support this device.\r
\r
//\r
if (RemainingDevicePath != NULL) {\r
//\r
- // Check if RemainingDevicePath is the End of Device Path Node, \r
+ // Check if RemainingDevicePath is the End of Device Path Node,\r
// if yes, go on checking other conditions\r
//\r
if (!IsDevicePathEnd (RemainingDevicePath)) {\r
// check its validation\r
//\r
DevicePathNode.DevPath = RemainingDevicePath;\r
- \r
+\r
if ((DevicePathNode.DevPath->Type != MESSAGING_DEVICE_PATH) ||\r
- (DevicePathNode.DevPath->SubType != MSG_USB_DP &&\r
- DevicePathNode.DevPath->SubType != MSG_USB_CLASS_DP\r
- && DevicePathNode.DevPath->SubType != MSG_USB_WWID_DP\r
- )) {\r
- \r
+ ( (DevicePathNode.DevPath->SubType != MSG_USB_DP) &&\r
+ (DevicePathNode.DevPath->SubType != MSG_USB_CLASS_DP)\r
+ && (DevicePathNode.DevPath->SubType != MSG_USB_WWID_DP)\r
+ ))\r
+ {\r
return EFI_UNSUPPORTED;\r
}\r
}\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiUsb2HcProtocolGuid,\r
- (VOID **) &Usb2Hc,\r
+ (VOID **)&Usb2Hc,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiUsbHcProtocolGuid,\r
- (VOID **) &UsbHc,\r
+ (VOID **)&UsbHc,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
if (Status == EFI_ALREADY_STARTED) {\r
return EFI_SUCCESS;\r
}\r
- \r
+\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
// Close the USB_HC used to perform the supported test\r
//\r
gBS->CloseProtocol (\r
- Controller,\r
- &gEfiUsbHcProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
+ Controller,\r
+ &gEfiUsbHcProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
} else {\r
-\r
//\r
// Close the USB_HC2 used to perform the supported test\r
//\r
Controller\r
);\r
}\r
- \r
+\r
//\r
// Open the EFI Device Path protocol needed to perform the supported test\r
//\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
+ (VOID **)&ParentDevicePath,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
// Close protocol, don't use device path protocol in the Support() function\r
//\r
gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
+ Controller,\r
+ &gEfiDevicePathProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
\r
return EFI_SUCCESS;\r
}\r
return Status;\r
}\r
\r
-\r
/**\r
Start to process the controller.\r
\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
)\r
{\r
- EFI_USB_BUS_PROTOCOL *UsbBusId;\r
- EFI_STATUS Status;\r
+ EFI_USB_BUS_PROTOCOL *UsbBusId;\r
+ EFI_STATUS Status;\r
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
+\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID **)&ParentDevicePath,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ //\r
+ // Report Status Code here since we will initialize the host controller\r
+ //\r
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
+ EFI_PROGRESS_CODE,\r
+ (EFI_IO_BUS_USB | EFI_IOB_PC_INIT),\r
+ ParentDevicePath\r
+ );\r
\r
//\r
// Locate the USB bus protocol, if it is found, USB bus\r
//\r
Status = gBS->OpenProtocol (\r
Controller,\r
- &mUsbBusProtocolGuid,\r
- (VOID **) &UsbBusId,\r
+ &gEfiCallerIdGuid,\r
+ (VOID **)&UsbBusId,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
//\r
// If first start, build the bus execute environment and install bus protocol\r
//\r
+ REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_IO_BUS_USB | EFI_P_PC_ENABLE));\r
Status = UsbBusBuildProtocol (This, Controller, RemainingDevicePath);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
+\r
//\r
// Try get the Usb Bus protocol interface again\r
//\r
Status = gBS->OpenProtocol (\r
Controller,\r
- &mUsbBusProtocolGuid,\r
- (VOID **) &UsbBusId,\r
+ &gEfiCallerIdGuid,\r
+ (VOID **)&UsbBusId,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
if (IsDevicePathEnd (RemainingDevicePath)) {\r
//\r
// If RemainingDevicePath is the End of Device Path Node,\r
- // skip enumerate any device and return EFI_SUCESSS\r
- // \r
+ // skip enumerate any device and return EFI_SUCCESS\r
+ //\r
return EFI_SUCCESS;\r
}\r
}\r
ASSERT (!EFI_ERROR (Status));\r
}\r
\r
-\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Stop handle the controller by this USB bus driver.\r
\r
EFI_TPL OldTpl;\r
UINTN Index;\r
EFI_STATUS Status;\r
+ EFI_STATUS ReturnStatus;\r
\r
- Status = EFI_SUCCESS;\r
+ Status = EFI_SUCCESS;\r
\r
if (NumberOfChildren > 0) {\r
//\r
// BugBug: Raise TPL to callback level instead of USB_BUS_TPL to avoid TPL conflict\r
//\r
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
\r
+ ReturnStatus = EFI_SUCCESS;\r
for (Index = 0; Index < NumberOfChildren; Index++) {\r
Status = gBS->OpenProtocol (\r
ChildHandleBuffer[Index],\r
&gEfiUsbIoProtocolGuid,\r
- (VOID **) &UsbIo,\r
+ (VOID **)&UsbIo,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
continue;\r
}\r
\r
- UsbIf = USB_INTERFACE_FROM_USBIO (UsbIo);\r
- UsbDev = UsbIf->Device;\r
+ UsbIf = USB_INTERFACE_FROM_USBIO (UsbIo);\r
+ UsbDev = UsbIf->Device;\r
\r
- UsbRemoveDevice (UsbDev);\r
+ ReturnStatus = UsbRemoveDevice (UsbDev);\r
}\r
\r
gBS->RestoreTPL (OldTpl);\r
- return EFI_SUCCESS;\r
+ return ReturnStatus;\r
}\r
\r
- DEBUG (( EFI_D_INFO, "UsbBusStop: usb bus stopped on %p\n", Controller));\r
+ DEBUG ((DEBUG_INFO, "UsbBusStop: usb bus stopped on %p\n", Controller));\r
\r
//\r
// Locate USB_BUS for the current host controller\r
//\r
Status = gBS->OpenProtocol (\r
Controller,\r
- &mUsbBusProtocolGuid,\r
- (VOID **) &BusId,\r
+ &gEfiCallerIdGuid,\r
+ (VOID **)&BusId,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
//\r
// BugBug: Raise TPL to callback level instead of USB_BUS_TPL to avoid TPL conflict\r
//\r
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
- UsbHcSetState (Bus, EfiUsbHcStateHalt);\r
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
\r
RootHub = Bus->Devices[0];\r
RootIf = RootHub->Interfaces[0];\r
\r
- mUsbRootHubApi.Release (RootIf);\r
-\r
- for (Index = 1; Index < USB_MAX_DEVICES; Index++) {\r
+ ASSERT (Bus->MaxDevices <= 256);\r
+ ReturnStatus = EFI_SUCCESS;\r
+ for (Index = 1; Index < Bus->MaxDevices; Index++) {\r
if (Bus->Devices[Index] != NULL) {\r
- UsbRemoveDevice (Bus->Devices[Index]);\r
+ Status = UsbRemoveDevice (Bus->Devices[Index]);\r
+ if (EFI_ERROR (Status)) {\r
+ ReturnStatus = Status;\r
+ }\r
}\r
}\r
\r
gBS->RestoreTPL (OldTpl);\r
\r
- gBS->FreePool (RootIf);\r
- gBS->FreePool (RootHub);\r
- Status = UsbBusFreeUsbDPList (&Bus->WantedUsbIoDPList);\r
- ASSERT (!EFI_ERROR (Status));\r
+ if (!EFI_ERROR (ReturnStatus)) {\r
+ mUsbRootHubApi.Release (RootIf);\r
+ gBS->FreePool (RootIf);\r
+ gBS->FreePool (RootHub);\r
\r
- //\r
- // Uninstall the bus identifier and close USB_HC/USB2_HC protocols\r
- //\r
- gBS->UninstallProtocolInterface (Controller, &mUsbBusProtocolGuid, &Bus->BusId);\r
+ Status = UsbBusFreeUsbDPList (&Bus->WantedUsbIoDPList);\r
+ ASSERT (!EFI_ERROR (Status));\r
\r
- if (Bus->Usb2Hc != NULL) {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiUsb2HcProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- }\r
+ //\r
+ // Uninstall the bus identifier and close USB_HC/USB2_HC protocols\r
+ //\r
+ gBS->UninstallProtocolInterface (Controller, &gEfiCallerIdGuid, &Bus->BusId);\r
\r
- if (Bus->UsbHc != NULL) {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiUsbHcProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- }\r
+ if (Bus->Usb2Hc != NULL) {\r
+ Status = gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiUsb2HcProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+ }\r
\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
+ if (Bus->UsbHc != NULL) {\r
+ Status = gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiUsbHcProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+ }\r
\r
- gBS->FreePool (Bus);\r
+ if (!EFI_ERROR (Status)) {\r
+ gBS->CloseProtocol (\r
+ Controller,\r
+ &gEfiDevicePathProtocolGuid,\r
+ This->DriverBindingHandle,\r
+ Controller\r
+ );\r
+\r
+ gBS->FreePool (Bus);\r
+ }\r
+ }\r
\r
return Status;\r
}\r