/** @file\r
USB Mouse Driver that manages USB mouse and produces Absolute Pointer Protocol.\r
\r
-Copyright (c) 2004 - 2016, 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
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
- \r
+\r
//\r
// Use the USB I/O Protocol interface to check whether Controller is\r
// a mouse device that can be managed by this driver.\r
if (!IsUsbMouse (UsbIo)) {\r
Status = EFI_UNSUPPORTED;\r
}\r
- \r
+\r
gBS->CloseProtocol (\r
Controller,\r
&gEfiUsbIoProtocolGuid,\r
This->DriverBindingHandle,\r
Controller\r
);\r
- \r
+\r
return Status;\r
}\r
\r
/**\r
Starts the mouse device with this driver.\r
\r
- This function consumes USB I/O Portocol, intializes USB mouse device,\r
+ This function consumes USB I/O Protocol, initializes USB mouse device,\r
installs Absolute Pointer Protocol, and submits Asynchronous Interrupt\r
Transfer to manage the USB mouse device.\r
\r
(VOID **) &UsbIo,\r
This->DriverBindingHandle,\r
Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER \r
+ EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
if (EFI_ERROR (Status)) {\r
goto ErrorExit1;\r
}\r
- \r
+\r
UsbMouseAbsolutePointerDevice = AllocateZeroPool (sizeof (USB_MOUSE_ABSOLUTE_POINTER_DEV));\r
ASSERT (UsbMouseAbsolutePointerDevice != NULL);\r
\r
EndpointNumber = UsbMouseAbsolutePointerDevice->InterfaceDescriptor.NumEndpoints;\r
\r
//\r
- // Traverse endpoints to find interrupt endpoint\r
+ // Traverse endpoints to find interrupt endpoint IN\r
//\r
Found = FALSE;\r
for (Index = 0; Index < EndpointNumber; Index++) {\r
&EndpointDescriptor\r
);\r
\r
- if ((EndpointDescriptor.Attributes & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) {\r
+ if (((EndpointDescriptor.Attributes & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) &&\r
+ ((EndpointDescriptor.EndpointAddress & USB_ENDPOINT_DIR_IN) != 0)) {\r
//\r
// We only care interrupt endpoint here\r
//\r
// Initialize and install EFI Absolute Pointer Protocol.\r
//\r
UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.GetState = GetMouseAbsolutePointerState;\r
- UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Reset = UsbMouseAbsolutePointerReset;\r
- UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Mode = &UsbMouseAbsolutePointerDevice->Mode;\r
+ UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Reset = UsbMouseAbsolutePointerReset;\r
+ UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Mode = &UsbMouseAbsolutePointerDevice->Mode;\r
\r
Status = gBS->CreateEvent (\r
EVT_NOTIFY_WAIT,\r
// Free all resources.\r
//\r
gBS->CloseEvent (UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.WaitForInput);\r
- \r
+\r
if (UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent != NULL) {\r
gBS->CloseEvent (UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent);\r
UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent = NULL;\r
\r
Total = 0;\r
Start = FALSE;\r
- Head = (USB_DESC_HEAD *)Buf; \r
+ Head = (USB_DESC_HEAD *)Buf;\r
MouseHidDesc = NULL;\r
\r
//\r
// Let the cursor's starting position is in the center of the screen.\r
//\r
UsbMouseAbsolutePointerDev->State.CurrentX =\r
- (UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxX + UsbMouseAbsolutePointerDev->Mode.AbsoluteMinX) / 2;\r
+ DivU64x32 (UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxX + UsbMouseAbsolutePointerDev->Mode.AbsoluteMinX, 2);\r
UsbMouseAbsolutePointerDev->State.CurrentY =\r
- (UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxY + UsbMouseAbsolutePointerDev->Mode.AbsoluteMinY) / 2;\r
+ DivU64x32 (UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxY + UsbMouseAbsolutePointerDev->Mode.AbsoluteMinY, 2);\r
\r
//\r
// Set boot protocol for the USB mouse.\r
\r
//\r
// Delete & Submit this interrupt again\r
- // Handler of DelayedRecoveryEvent triggered by timer will re-submit the interrupt. \r
+ // Handler of DelayedRecoveryEvent triggered by timer will re-submit the interrupt.\r
//\r
UsbIo->UsbAsyncInterruptTransfer (\r
UsbIo,\r
return EFI_SUCCESS;\r
}\r
\r
- UsbMouseAbsolutePointerDevice->StateChanged = TRUE;\r
-\r
//\r
// Check mouse Data\r
// USB HID Specification specifies following data format:\r
// 2 0 to 7 Y displacement\r
// 3 to n 0 to 7 Device specific (optional)\r
//\r
+ if (DataLength < 3) {\r
+ return EFI_DEVICE_ERROR;\r
+ }\r
+\r
+ UsbMouseAbsolutePointerDevice->StateChanged = TRUE;\r
+\r
UsbMouseAbsolutePointerDevice->State.ActiveButtons = *(UINT8 *) Data & (BIT0 | BIT1 | BIT2);\r
\r
UsbMouseAbsolutePointerDevice->State.CurrentX =\r
/**\r
Retrieves the current state of a pointer device.\r
\r
- @param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance. \r
+ @param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.\r
@param MouseState A pointer to the state information on the pointer device.\r
\r
@retval EFI_SUCCESS The state of the pointer device was returned in State.\r
@retval EFI_NOT_READY The state of the pointer device has not changed since the last call to\r
- GetState(). \r
+ GetState().\r
@retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's\r
- current state. \r
- @retval EFI_INVALID_PARAMETER State is NULL. \r
+ current state.\r
+ @retval EFI_INVALID_PARAMETER State is NULL.\r
\r
**/\r
EFI_STATUS\r
// Let the cursor's starting position is in the center of the screen.\r
//\r
UsbMouseAbsolutePointerDevice->State.CurrentX =\r
- (UsbMouseAbsolutePointerDevice->Mode.AbsoluteMaxX + UsbMouseAbsolutePointerDevice->Mode.AbsoluteMinX) / 2;\r
+ DivU64x32 (UsbMouseAbsolutePointerDevice->Mode.AbsoluteMaxX + UsbMouseAbsolutePointerDevice->Mode.AbsoluteMinX, 2);\r
UsbMouseAbsolutePointerDevice->State.CurrentY =\r
- (UsbMouseAbsolutePointerDevice->Mode.AbsoluteMaxY + UsbMouseAbsolutePointerDevice->Mode.AbsoluteMinY) / 2;\r
+ DivU64x32 (UsbMouseAbsolutePointerDevice->Mode.AbsoluteMaxY + UsbMouseAbsolutePointerDevice->Mode.AbsoluteMinY, 2);\r
\r
UsbMouseAbsolutePointerDevice->StateChanged = FALSE;\r
\r
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