diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointer.c')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointer.c | 870 |
1 files changed, 404 insertions, 466 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointer.c b/MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointer.c index faafd2e52c..2e22cfcda2 100644 --- a/MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointer.c +++ b/MdeModulePkg/Bus/Usb/UsbMouseAbsolutePointerDxe/UsbMouseAbsolutePointer.c @@ -1,6 +1,7 @@ /** @file
+ USB Mouse Driver that manages USB mouse and produces Absolute Pointer Protocol.
-Copyright (c) 2004 - 2007, Intel Corporation
+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
which accompanies this distribution. The full text of the license may be found at
@@ -9,27 +10,10 @@ 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:
-
- UsbMouseAbsolutePointer.c
-
- Abstract:
-
-
**/
#include "UsbMouseAbsolutePointer.h"
-#include <Library/DebugLib.h>
-#include <IndustryStandard/Usb.h>
-
-#include "mousehid.h"
-
-
-EFI_GUID gEfiUsbMouseAbsolutePointerDriverGuid = {
- 0xa579f729, 0xa71d, 0x4b45, { 0xbe, 0xd7, 0xd, 0xb0, 0xa8, 0x7c, 0x3e, 0x8d }
-};
-
EFI_DRIVER_BINDING_PROTOCOL gUsbMouseAbsolutePointerDriverBinding = {
USBMouseAbsolutePointerDriverBindingSupported,
USBMouseAbsolutePointerDriverBindingStart,
@@ -39,99 +23,50 @@ EFI_DRIVER_BINDING_PROTOCOL gUsbMouseAbsolutePointerDriverBinding = { NULL
};
-//
-// helper functions
-//
-BOOLEAN
-IsUsbMouseAbsolutePointer (
- IN EFI_USB_IO_PROTOCOL *UsbIo
- );
-
-EFI_STATUS
-InitializeUsbMouseAbsolutePointerDevice (
- IN USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDev
- );
-
-VOID
-EFIAPI
-UsbMouseAbsolutePointerWaitForInput (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
+/**
+ Entrypoint of USB Mouse Absolute Pointer Driver.
-//
-// Mouse interrupt handler
-//
-EFI_STATUS
-EFIAPI
-OnMouseAbsolutePointerInterruptComplete (
- IN VOID *Data,
- IN UINTN DataLength,
- IN VOID *Context,
- IN UINT32 Result
- );
+ This function is the entrypoint of USB Mouse Driver. It installs Driver Binding
+ Protocols together with Component Name Protocols.
-//
-// Mouse simulate TouchPad, Using AbsolutePointer Protocol
-//
-EFI_STATUS
-EFIAPI
-GetMouseAbsolutePointerState (
- IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
- OUT EFI_ABSOLUTE_POINTER_STATE *MouseAbsolutePointerState
- );
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
-EFI_STATUS
-EFIAPI
-UsbMouseAbsolutePointerReset (
- IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- );
+ @retval EFI_SUCCESS The entry point is executed successfully.
-//
-// Driver start here
-//
+**/
EFI_STATUS
EFIAPI
USBMouseAbsolutePointerDriverBindingEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
-/*++
-
- Routine Description:
- Entry point for EFI drivers.
+{
+ EFI_STATUS Status;
- Arguments:
- ImageHandle - EFI_HANDLE
- SystemTable - EFI_SYSTEM_TABLE
- Returns:
- EFI_SUCCESS
- others
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gUsbMouseAbsolutePointerDriverBinding,
+ ImageHandle,
+ &gUsbMouseAbsolutePointerComponentName,
+ &gUsbMouseAbsolutePointerComponentName2
+ );
+ ASSERT_EFI_ERROR (Status);
---*/
-{
- return EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gUsbMouseAbsolutePointerDriverBinding,
- ImageHandle,
- &gUsbMouseAbsolutePointerComponentName,
- &gUsbMouseAbsolutePointerComponentName2
- );
+ return EFI_SUCCESS;
}
/**
- Test to see if this driver supports ControllerHandle. Any ControllerHandle
- that has UsbHcProtocol installed will be supported.
+ Check whether USB Mouse Absolute Pointer Driver supports this device.
- @param This Protocol instance pointer.
- @param Controller Handle of device to test
- @param RemainingDevicePath Not used
+ @param This The driver binding protocol.
+ @param Controller The controller handle to check.
+ @param RemainingDevicePath The remaining device path.
- @retval EFI_SUCCESS This driver supports this device.
- @retval EFI_UNSUPPORTED This driver does not support this device.
+ @retval EFI_SUCCESS The driver supports this controller.
+ @retval other This device isn't supported.
**/
EFI_STATUS
@@ -142,32 +77,27 @@ USBMouseAbsolutePointerDriverBindingSupported ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_STATUS OpenStatus;
- EFI_USB_IO_PROTOCOL *UsbIo;
EFI_STATUS Status;
+ EFI_USB_IO_PROTOCOL *UsbIo;
- OpenStatus = gBS->OpenProtocol (
- Controller,
- &gEfiUsbIoProtocolGuid,
- (VOID **) &UsbIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (OpenStatus) && (OpenStatus != EFI_ALREADY_STARTED)) {
- return EFI_UNSUPPORTED;
- }
-
- if (OpenStatus == EFI_ALREADY_STARTED) {
- return EFI_ALREADY_STARTED;
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiUsbIoProtocolGuid,
+ (VOID **) &UsbIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
}
//
- // Use the USB I/O protocol interface to see the Controller is
- // the Mouse controller that can be managed by this driver.
+ // Use the USB I/O Protocol interface to check whether Controller is
+ // a mouse device that can be managed by this driver.
//
Status = EFI_SUCCESS;
- if (!IsUsbMouseAbsolutePointer (UsbIo)) {
+ if (!IsUsbMouse (UsbIo)) {
Status = EFI_UNSUPPORTED;
}
@@ -183,18 +113,22 @@ USBMouseAbsolutePointerDriverBindingSupported ( /**
- Starting the Usb Bus Driver
+ Starts the mouse device with this driver.
- @param This Protocol instance pointer.
- @param Controller Handle of device to test
- @param RemainingDevicePath Not used
+ This function consumes USB I/O Portocol, intializes USB mouse device,
+ installs Absolute Pointer Protocol, and submits Asynchronous Interrupt
+ Transfer to manage the USB mouse device.
+
+ @param This The driver binding instance.
+ @param Controller Handle of device to bind driver to.
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
@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- Can't allocate memory
- resources
- @retval EFI_ALREADY_STARTED This driver has been started
+ @retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.
+ @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.
+ @retval EFI_ALREADY_STARTED This driver has been started.
**/
EFI_STATUS
@@ -205,19 +139,20 @@ USBMouseAbsolutePointerDriverBindingStart ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
- EFI_STATUS Status;
- EFI_USB_IO_PROTOCOL *UsbIo;
- EFI_USB_ENDPOINT_DESCRIPTOR *EndpointDesc;
- USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDevice;
- UINT8 EndpointNumber;
- UINT8 Index;
- UINT8 EndpointAddr;
- UINT8 PollingInterval;
- UINT8 PacketSize;
-
- UsbMouseAbsolutePointerDevice = NULL;
- Status = EFI_SUCCESS;
+ EFI_STATUS Status;
+ EFI_USB_IO_PROTOCOL *UsbIo;
+ USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDevice;
+ UINT8 EndpointNumber;
+ EFI_USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
+ UINT8 Index;
+ UINT8 EndpointAddr;
+ UINT8 PollingInterval;
+ UINT8 PacketSize;
+ BOOLEAN Found;
+ //
+ // Open USB I/O Protocol
+ //
Status = gBS->OpenProtocol (
Controller,
&gEfiUsbIoProtocolGuid,
@@ -227,31 +162,15 @@ USBMouseAbsolutePointerDriverBindingStart ( EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
- goto ErrorExit;
+ return Status;
}
UsbMouseAbsolutePointerDevice = AllocateZeroPool (sizeof (USB_MOUSE_ABSOLUTE_POINTER_DEV));
- if (UsbMouseAbsolutePointerDevice == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto ErrorExit;
- }
+ ASSERT (UsbMouseAbsolutePointerDevice != NULL);
- UsbMouseAbsolutePointerDevice->UsbIo = UsbIo;
+ UsbMouseAbsolutePointerDevice->UsbIo = UsbIo;
+ UsbMouseAbsolutePointerDevice->Signature = USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE;
- UsbMouseAbsolutePointerDevice->Signature = USB_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE;
-
- UsbMouseAbsolutePointerDevice->InterfaceDescriptor = AllocatePool (sizeof (EFI_USB_INTERFACE_DESCRIPTOR));
-
- if (UsbMouseAbsolutePointerDevice->InterfaceDescriptor == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto ErrorExit;
- }
-
- EndpointDesc = AllocatePool (sizeof (EFI_USB_ENDPOINT_DESCRIPTOR));
- if (EndpointDesc == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto ErrorExit;
- }
//
// Get the Device Path Protocol on Controller's handle
//
@@ -271,92 +190,101 @@ USBMouseAbsolutePointerDriverBindingStart ( // Get interface & endpoint descriptor
//
UsbIo->UsbGetInterfaceDescriptor (
- UsbIo,
- UsbMouseAbsolutePointerDevice->InterfaceDescriptor
- );
+ UsbIo,
+ &UsbMouseAbsolutePointerDevice->InterfaceDescriptor
+ );
- EndpointNumber = UsbMouseAbsolutePointerDevice->InterfaceDescriptor->NumEndpoints;
+ EndpointNumber = UsbMouseAbsolutePointerDevice->InterfaceDescriptor.NumEndpoints;
+ //
+ // Traverse endpoints to find interrupt endpoint
+ //
+ Found = FALSE;
for (Index = 0; Index < EndpointNumber; Index++) {
UsbIo->UsbGetEndpointDescriptor (
- UsbIo,
- Index,
- EndpointDesc
- );
-
- if ((EndpointDesc->Attributes & 0x03) == 0x03) {
+ UsbIo,
+ Index,
+ &EndpointDescriptor
+ );
+ if ((EndpointDescriptor.Attributes & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) {
//
// We only care interrupt endpoint here
//
- UsbMouseAbsolutePointerDevice->IntEndpointDescriptor = EndpointDesc;
+ CopyMem (&UsbMouseAbsolutePointerDevice->IntEndpointDescriptor, &EndpointDescriptor, sizeof(EndpointDescriptor));
+ Found = TRUE;
+ break;
}
}
- if (UsbMouseAbsolutePointerDevice->IntEndpointDescriptor == NULL) {
+ if (!Found) {
//
- // No interrupt endpoint, then error
+ // No interrupt endpoint found, then return unsupported.
//
Status = EFI_UNSUPPORTED;
goto ErrorExit;
}
- Status = InitializeUsbMouseAbsolutePointerDevice (UsbMouseAbsolutePointerDevice);
+ Status = InitializeUsbMouseDevice (UsbMouseAbsolutePointerDevice);
if (EFI_ERROR (Status)) {
- MouseAbsolutePointerReportStatusCode (
- UsbMouseAbsolutePointerDevice->DevicePath,
+ //
+ // Fail to initialize USB mouse device.
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
- PcdGet32 (PcdStatusCodeValueMouseInterfaceError)
+ PcdGet32 (PcdStatusCodeValueMouseInterfaceError),
+ UsbMouseAbsolutePointerDevice->DevicePath
);
goto ErrorExit;
}
+ //
+ // Initialize and install EFI Absolute Pointer Protocol.
+ //
UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.GetState = GetMouseAbsolutePointerState;
- UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Reset = UsbMouseAbsolutePointerReset;
- UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Mode = &UsbMouseAbsolutePointerDevice->AbsolutePointerMode;
+ UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Reset = UsbMouseAbsolutePointerReset;
+ UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.Mode = &UsbMouseAbsolutePointerDevice->Mode;
Status = gBS->CreateEvent (
- EVT_NOTIFY_WAIT,
- TPL_NOTIFY,
- UsbMouseAbsolutePointerWaitForInput,
- UsbMouseAbsolutePointerDevice,
- &((UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol).WaitForInput)
- );
+ EVT_NOTIFY_WAIT,
+ TPL_NOTIFY,
+ UsbMouseAbsolutePointerWaitForInput,
+ UsbMouseAbsolutePointerDevice,
+ &((UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol).WaitForInput)
+ );
if (EFI_ERROR (Status)) {
goto ErrorExit;
}
Status = gBS->InstallProtocolInterface (
- &Controller,
- &gEfiAbsolutePointerProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol
- );
+ &Controller,
+ &gEfiAbsolutePointerProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol
+ );
if (EFI_ERROR (Status)) {
- Status = EFI_DEVICE_ERROR;
goto ErrorExit;
}
//
- // After Enabling Async Interrupt Transfer on this mouse Device
- // we will be able to get key data from it. Thus this is deemed as
- // the enable action of the mouse
+ // The next step would be submitting Asynchronous Interrupt Transfer on this mouse device.
+ // After that we will be able to get key data from it. Thus this is deemed as
+ // the enable action of the mouse, so report status code accordingly.
//
-
- MouseAbsolutePointerReportStatusCode (
- UsbMouseAbsolutePointerDevice->DevicePath,
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
- PcdGet32 (PcdStatusCodeValueMouseEnable)
+ PcdGet32 (PcdStatusCodeValueMouseEnable),
+ UsbMouseAbsolutePointerDevice->DevicePath
);
//
- // submit async interrupt transfer
+ // Submit Asynchronous Interrupt Transfer to manage this device.
//
- EndpointAddr = UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->EndpointAddress;
- PollingInterval = UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->Interval;
- PacketSize = (UINT8) (UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->MaxPacketSize);
+ EndpointAddr = UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.EndpointAddress;
+ PollingInterval = UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.Interval;
+ PacketSize = (UINT8) (UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.MaxPacketSize);
Status = UsbIo->UsbAsyncInterruptTransfer (
UsbIo,
@@ -364,42 +292,43 @@ USBMouseAbsolutePointerDriverBindingStart ( TRUE,
PollingInterval,
PacketSize,
- OnMouseAbsolutePointerInterruptComplete,
+ OnMouseInterruptComplete,
UsbMouseAbsolutePointerDevice
);
- if (!EFI_ERROR (Status)) {
+ if (EFI_ERROR (Status)) {
+ //
+ // If submit error, uninstall that interface
+ //
+ gBS->UninstallProtocolInterface (
+ Controller,
+ &gEfiAbsolutePointerProtocolGuid,
+ &UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol
+ );
+ goto ErrorExit;
+ }
- UsbMouseAbsolutePointerDevice->ControllerNameTable = NULL;
- AddUnicodeString2 (
- "eng",
- gUsbMouseAbsolutePointerComponentName.SupportedLanguages,
- &UsbMouseAbsolutePointerDevice->ControllerNameTable,
- L"Generic Usb Mouse Simulate TouchPad",
+ UsbMouseAbsolutePointerDevice->ControllerNameTable = NULL;
+ AddUnicodeString2 (
+ "eng",
+ gUsbMouseAbsolutePointerComponentName.SupportedLanguages,
+ &UsbMouseAbsolutePointerDevice->ControllerNameTable,
+ L"Generic Usb Mouse Absolute Pointer",
TRUE
);
- AddUnicodeString2 (
- "en",
- gUsbMouseAbsolutePointerComponentName2.SupportedLanguages,
- &UsbMouseAbsolutePointerDevice->ControllerNameTable,
- L"Generic Usb Mouse Simulate TouchPad2",
- FALSE
- );
-
- return EFI_SUCCESS;
- }
-
- //
- // If submit error, uninstall that interface
- //
- Status = EFI_DEVICE_ERROR;
+ AddUnicodeString2 (
+ "en",
+ gUsbMouseAbsolutePointerComponentName2.SupportedLanguages,
+ &UsbMouseAbsolutePointerDevice->ControllerNameTable,
+ L"Generic Usb Mouse Absolute Pointer",
+ FALSE
+ );
- gBS->UninstallProtocolInterface (
- Controller,
- &gEfiAbsolutePointerProtocolGuid,
- &UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol
- );
+ return EFI_SUCCESS;
+//
+// Error handler
+//
ErrorExit:
if (EFI_ERROR (Status)) {
gBS->CloseProtocol (
@@ -410,19 +339,11 @@ ErrorExit: );
if (UsbMouseAbsolutePointerDevice != NULL) {
- if (UsbMouseAbsolutePointerDevice->InterfaceDescriptor != NULL) {
- gBS->FreePool (UsbMouseAbsolutePointerDevice->InterfaceDescriptor);
- }
-
- if (UsbMouseAbsolutePointerDevice->IntEndpointDescriptor != NULL) {
- gBS->FreePool (UsbMouseAbsolutePointerDevice->IntEndpointDescriptor);
- }
-
if ((UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol).WaitForInput != NULL) {
gBS->CloseEvent ((UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol).WaitForInput);
}
- gBS->FreePool (UsbMouseAbsolutePointerDevice);
+ FreePool (UsbMouseAbsolutePointerDevice);
UsbMouseAbsolutePointerDevice = NULL;
}
}
@@ -432,17 +353,16 @@ ErrorExit: /**
- Stop this driver on ControllerHandle. Support stopping any child handles
- created by this driver.
+ Stop the USB mouse device handled 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 ChildHandleBuffer List of handles for the children we need to stop.
+ @param This The driver binding protocol.
+ @param Controller The controller to release.
+ @param NumberOfChildren The number of handles in ChildHandleBuffer.
+ @param ChildHandleBuffer The array of child handle.
- @return EFI_SUCCESS
- @return EFI_DEVICE_ERROR
- @return others
+ @retval EFI_SUCCESS The device was stopped.
+ @retval EFI_UNSUPPORTED Absolute Pointer Protocol is not installed on Controller.
+ @retval Others Fail to uninstall protocols attached on the device.
**/
EFI_STATUS
@@ -454,66 +374,49 @@ USBMouseAbsolutePointerDriverBindingStop ( IN EFI_HANDLE *ChildHandleBuffer
)
{
- EFI_STATUS Status;
- USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDevice;
- EFI_ABSOLUTE_POINTER_PROTOCOL *AbsolutePointerProtocol;
- EFI_USB_IO_PROTOCOL *UsbIo;
+ EFI_STATUS Status;
+ USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDevice;
+ EFI_ABSOLUTE_POINTER_PROTOCOL *AbsolutePointerProtocol;
+ EFI_USB_IO_PROTOCOL *UsbIo;
- //
- // Get our context back.
- //
Status = gBS->OpenProtocol (
- Controller,
- &gEfiAbsolutePointerProtocolGuid,
- (VOID **) &AbsolutePointerProtocol,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
+ Controller,
+ &gEfiAbsolutePointerProtocolGuid,
+ (VOID **) &AbsolutePointerProtocol,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
+ return EFI_UNSUPPORTED;
}
- UsbMouseAbsolutePointerDevice = USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL (AbsolutePointerProtocol);
- gBS->CloseProtocol (
- Controller,
- &gEfiAbsolutePointerProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
+ UsbMouseAbsolutePointerDevice = USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL (AbsolutePointerProtocol);
UsbIo = UsbMouseAbsolutePointerDevice->UsbIo;
//
- // Uninstall the Asyn Interrupt Transfer from this device
- // will disable the mouse data input from this device
+ // The key data input from this device will be disabled.
//
- MouseAbsolutePointerReportStatusCode (
- UsbMouseAbsolutePointerDevice->DevicePath,
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
- PcdGet32 (PcdStatusCodeValueMouseDisable)
+ PcdGet32 (PcdStatusCodeValueMouseDisable),
+ UsbMouseAbsolutePointerDevice->DevicePath
);
//
- // Delete Mouse Async Interrupt Transfer
+ // Delete the Asynchronous Interrupt Transfer from this device
//
UsbIo->UsbAsyncInterruptTransfer (
- UsbIo,
- UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->EndpointAddress,
- FALSE,
- UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->Interval,
- 0,
- NULL,
- NULL
- );
-
- gBS->CloseEvent (UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.WaitForInput);
-
- if (UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent) {
- gBS->CloseEvent (UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent);
- UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent = 0;
- }
+ UsbIo,
+ UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.EndpointAddress,
+ FALSE,
+ UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.Interval,
+ 0,
+ NULL,
+ NULL
+ );
Status = gBS->UninstallProtocolInterface (
Controller,
@@ -525,20 +428,27 @@ USBMouseAbsolutePointerDriverBindingStop ( }
gBS->CloseProtocol (
- Controller,
- &gEfiUsbIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
+ Controller,
+ &gEfiUsbIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
- gBS->FreePool (UsbMouseAbsolutePointerDevice->InterfaceDescriptor);
- gBS->FreePool (UsbMouseAbsolutePointerDevice->IntEndpointDescriptor);
+ //
+ // Free all resources.
+ //
+ gBS->CloseEvent (UsbMouseAbsolutePointerDevice->AbsolutePointerProtocol.WaitForInput);
+
+ if (UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent != NULL) {
+ gBS->CloseEvent (UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent);
+ UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent = NULL;
+ }
- if (UsbMouseAbsolutePointerDevice->ControllerNameTable) {
+ if (UsbMouseAbsolutePointerDevice->ControllerNameTable != NULL) {
FreeUnicodeStringTable (UsbMouseAbsolutePointerDevice->ControllerNameTable);
}
- gBS->FreePool (UsbMouseAbsolutePointerDevice);
+ FreePool (UsbMouseAbsolutePointerDevice);
return EFI_SUCCESS;
@@ -546,16 +456,16 @@ USBMouseAbsolutePointerDriverBindingStop ( /**
- Tell if a Usb Controller is a mouse
+ Uses USB I/O to check whether the device is a USB mouse device.
- @param UsbIo Protocol instance pointer.
+ @param UsbIo Pointer to a USB I/O protocol instance.
- @retval TRUE It is a mouse
- @retval FALSE It is not a mouse
+ @retval TRUE Device is a USB mouse device.
+ @retval FALSE Device is a not USB mouse device.
**/
BOOLEAN
-IsUsbMouseAbsolutePointer (
+IsUsbMouse (
IN EFI_USB_IO_PROTOCOL *UsbIo
)
{
@@ -563,8 +473,7 @@ IsUsbMouseAbsolutePointer ( EFI_USB_INTERFACE_DESCRIPTOR InterfaceDescriptor;
//
- // Get the Default interface descriptor, now we only
- // suppose it is interface 1
+ // Get the default interface descriptor
//
Status = UsbIo->UsbGetInterfaceDescriptor (
UsbIo,
@@ -579,7 +488,6 @@ IsUsbMouseAbsolutePointer ( (InterfaceDescriptor.InterfaceSubClass == SUBCLASS_BOOT) &&
(InterfaceDescriptor.InterfaceProtocol == PROTOCOL_MOUSE)
) {
-
return TRUE;
}
@@ -588,17 +496,22 @@ IsUsbMouseAbsolutePointer ( /**
- Initialize the Usb Mouse Simulate TouchPad Device.
+ Initialize the USB mouse device.
- @param UsbMouseAbsolutePointerDev Device instance to be initialized
+ This function retrieves and parses HID report descriptor, and
+ initializes state of USB_MOUSE_ABSOLUTE_POINTER_DEV. Then it sets indefinite idle
+ rate for the device. Finally it creates event for delayed recovery,
+ which deals with device error.
- @retval EFI_SUCCESS Success
- @retval EFI_DEVICE_ERROR Init error. EFI_OUT_OF_RESOURCES- Can't allocate
- memory
+ @param UsbMouseAbsolutePointerDev Device instance to be initialized.
+
+ @retval EFI_SUCCESS USB mouse device successfully initialized.
+ @retval EFI_UNSUPPORTED HID descriptor type is not report descriptor.
+ @retval Other USB mouse device was not initialized successfully.
**/
EFI_STATUS
-InitializeUsbMouseAbsolutePointerDevice (
+InitializeUsbMouseDevice (
IN USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDev
)
{
@@ -607,6 +520,8 @@ InitializeUsbMouseAbsolutePointerDevice ( EFI_STATUS Status;
EFI_USB_HID_DESCRIPTOR MouseHidDesc;
UINT8 *ReportDesc;
+ UINT8 ReportId;
+ UINT8 Duration;
UsbIo = UsbMouseAbsolutePointerDev->UsbIo;
@@ -614,36 +529,33 @@ InitializeUsbMouseAbsolutePointerDevice ( // Get HID descriptor
//
Status = UsbGetHidDescriptor (
- UsbIo,
- UsbMouseAbsolutePointerDev->InterfaceDescriptor->InterfaceNumber,
- &MouseHidDesc
- );
-
+ UsbIo,
+ UsbMouseAbsolutePointerDev->InterfaceDescriptor.InterfaceNumber,
+ &MouseHidDesc
+ );
if (EFI_ERROR (Status)) {
return Status;
}
//
- // Get Report descriptor
+ // Get report descriptor
//
- if (MouseHidDesc.HidClassDesc[0].DescriptorType != 0x22) {
+ if (MouseHidDesc.HidClassDesc[0].DescriptorType != USB_DESC_TYPE_REPORT) {
return EFI_UNSUPPORTED;
}
ReportDesc = AllocateZeroPool (MouseHidDesc.HidClassDesc[0].DescriptorLength);
- if (ReportDesc == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
+ ASSERT (ReportDesc != NULL);
Status = UsbGetReportDescriptor (
- UsbIo,
- UsbMouseAbsolutePointerDev->InterfaceDescriptor->InterfaceNumber,
- MouseHidDesc.HidClassDesc[0].DescriptorLength,
- ReportDesc
- );
+ UsbIo,
+ UsbMouseAbsolutePointerDev->InterfaceDescriptor.InterfaceNumber,
+ MouseHidDesc.HidClassDesc[0].DescriptorLength,
+ ReportDesc
+ );
if (EFI_ERROR (Status)) {
- gBS->FreePool (ReportDesc);
+ FreePool (ReportDesc);
return Status;
}
@@ -651,117 +563,131 @@ InitializeUsbMouseAbsolutePointerDevice ( // Parse report descriptor
//
Status = ParseMouseReportDescriptor (
- UsbMouseAbsolutePointerDev,
- ReportDesc,
- MouseHidDesc.HidClassDesc[0].DescriptorLength
- );
+ UsbMouseAbsolutePointerDev,
+ ReportDesc,
+ MouseHidDesc.HidClassDesc[0].DescriptorLength
+ );
if (EFI_ERROR (Status)) {
- gBS->FreePool (ReportDesc);
+ FreePool (ReportDesc);
return Status;
}
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.AbsoluteMaxX = 1024;
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.AbsoluteMaxY = 1024;
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.AbsoluteMaxZ = 0;
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.AbsoluteMinX = 0;
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.AbsoluteMinY = 0;
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.AbsoluteMinZ = 0;
- UsbMouseAbsolutePointerDev->AbsolutePointerMode.Attributes = 0x3;
+ UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxX = 1024;
+ UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxY = 1024;
+ UsbMouseAbsolutePointerDev->Mode.AbsoluteMaxZ = 0;
+ UsbMouseAbsolutePointerDev->Mode.AbsoluteMinX = 0;
+ UsbMouseAbsolutePointerDev->Mode.AbsoluteMinY = 0;
+ UsbMouseAbsolutePointerDev->Mode.AbsoluteMinZ = 0;
+ UsbMouseAbsolutePointerDev->Mode.Attributes = 0x3;
//
- // Here we just assume interface 0 is the mouse interface
+ // Set boot protocol for the USB mouse.
+ // This driver only supports boot protocol.
//
UsbGetProtocolRequest (
UsbIo,
- 0,
+ UsbMouseAbsolutePointerDev->InterfaceDescriptor.InterfaceNumber,
&Protocol
);
-
if (Protocol != BOOT_PROTOCOL) {
Status = UsbSetProtocolRequest (
- UsbIo,
- 0,
- BOOT_PROTOCOL
- );
+ UsbIo,
+ 0,
+ BOOT_PROTOCOL
+ );
if (EFI_ERROR (Status)) {
- gBS->FreePool (ReportDesc);
- return EFI_DEVICE_ERROR;
+ FreePool (ReportDesc);
+ return Status;
}
}
//
- // Set indefinite Idle rate for USB Mouse
+ // ReportId is zero, which means the idle rate applies to all input reports.
//
+ ReportId = 0;
+ //
+ // Duration is zero, which means the duration is infinite.
+ // so the endpoint will inhibit reporting forever,
+ // and only reporting when a change is detected in the report data.
+ //
+ Duration = 0;
UsbSetIdleRequest (
UsbIo,
- 0,
- 0,
- 0
+ UsbMouseAbsolutePointerDev->InterfaceDescriptor.InterfaceNumber,
+ ReportId,
+ Duration
);
- gBS->FreePool (ReportDesc);
+ FreePool (ReportDesc);
- if (UsbMouseAbsolutePointerDev->DelayedRecoveryEvent) {
+ //
+ // Create event for delayed recovery, which deals with device error.
+ //
+ if (UsbMouseAbsolutePointerDev->DelayedRecoveryEvent != NULL) {
gBS->CloseEvent (UsbMouseAbsolutePointerDev->DelayedRecoveryEvent);
UsbMouseAbsolutePointerDev->DelayedRecoveryEvent = 0;
}
- Status = gBS->CreateEvent (
- EVT_TIMER | EVT_NOTIFY_SIGNAL,
- TPL_NOTIFY,
- USBMouseAbsolutePointerRecoveryHandler,
- UsbMouseAbsolutePointerDev,
- &UsbMouseAbsolutePointerDev->DelayedRecoveryEvent
- );
+ gBS->CreateEvent (
+ EVT_TIMER | EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ USBMouseRecoveryHandler,
+ UsbMouseAbsolutePointerDev,
+ &UsbMouseAbsolutePointerDev->DelayedRecoveryEvent
+ );
return EFI_SUCCESS;
}
/**
- It is called whenever there is data received from async interrupt
- transfer.
+ Handler function for USB mouse's asynchronous interrupt transfer.
+
+ This function is the handler function for USB mouse's asynchronous interrupt transfer
+ to manage the mouse. It parses data returned from asynchronous interrupt transfer, and
+ get button and movement state.
- @param Data Data received.
- @param DataLength Length of Data
- @param Context Passed in context
- @param Result Async Interrupt Transfer result
+ @param Data A pointer to a buffer that is filled with key data which is
+ retrieved via asynchronous interrupt transfer.
+ @param DataLength Indicates the size of the data buffer.
+ @param Context Pointing to USB_KB_DEV instance.
+ @param Result Indicates the result of the asynchronous interrupt transfer.
- @return EFI_SUCCESS
- @return EFI_DEVICE_ERROR
+ @retval EFI_SUCCESS Asynchronous interrupt transfer is handled successfully.
+ @retval EFI_DEVICE_ERROR Hardware error occurs.
**/
EFI_STATUS
EFIAPI
-OnMouseAbsolutePointerInterruptComplete (
+OnMouseInterruptComplete (
IN VOID *Data,
IN UINTN DataLength,
IN VOID *Context,
IN UINT32 Result
)
{
- USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDevice;
- EFI_USB_IO_PROTOCOL *UsbIo;
- UINT8 EndpointAddr;
- UINT32 UsbResult;
+ USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDevice;
+ EFI_USB_IO_PROTOCOL *UsbIo;
+ UINT8 EndpointAddr;
+ UINT32 UsbResult;
UsbMouseAbsolutePointerDevice = (USB_MOUSE_ABSOLUTE_POINTER_DEV *) Context;
- UsbIo = UsbMouseAbsolutePointerDevice->UsbIo;
+ UsbIo = UsbMouseAbsolutePointerDevice->UsbIo;
if (Result != EFI_USB_NOERROR) {
//
// Some errors happen during the process
//
- MouseAbsolutePointerReportStatusCode (
- UsbMouseAbsolutePointerDevice->DevicePath,
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_ERROR_CODE | EFI_ERROR_MINOR,
- PcdGet32 (PcdStatusCodeValueMouseInputError)
+ PcdGet32 (PcdStatusCodeValueMouseInputError),
+ UsbMouseAbsolutePointerDevice->DevicePath
);
if ((Result & EFI_USB_ERR_STALL) == EFI_USB_ERR_STALL) {
- EndpointAddr = UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->EndpointAddress;
+ EndpointAddr = UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.EndpointAddress;
UsbClearEndpointHalt (
UsbIo,
@@ -770,105 +696,134 @@ OnMouseAbsolutePointerInterruptComplete ( );
}
+ //
+ // Delete & Submit this interrupt again
+ // Handler of DelayedRecoveryEvent triggered by timer will re-submit the interrupt.
+ //
UsbIo->UsbAsyncInterruptTransfer (
- UsbIo,
- UsbMouseAbsolutePointerDevice->IntEndpointDescriptor->EndpointAddress,
- FALSE,
- 0,
- 0,
- NULL,
- NULL
- );
-
+ UsbIo,
+ UsbMouseAbsolutePointerDevice->IntEndpointDescriptor.EndpointAddress,
+ FALSE,
+ 0,
+ 0,
+ NULL,
+ NULL
+ );
+ //
+ // EFI_USB_INTERRUPT_DELAY is defined in USB standard for error handling.
+ //
gBS->SetTimer (
- UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent,
- TimerRelative,
- EFI_USB_INTERRUPT_DELAY
- );
+ UsbMouseAbsolutePointerDevice->DelayedRecoveryEvent,
+ TimerRelative,
+ EFI_USB_INTERRUPT_DELAY
+ );
return EFI_DEVICE_ERROR;
}
+ //
+ // If no error and no data, just return EFI_SUCCESS.
+ //
if (DataLength == 0 || Data == NULL) {
return EFI_SUCCESS;
}
+ UsbMouseAbsolutePointerDevice->StateChanged = TRUE;
+
//
- //Check mouse Data
+ // Check mouse Data
+ // USB HID Specification specifies following data format:
+ // Byte Bits Description
+ // 0 0 Button 1
+ // 1 Button 2
+ // 2 Button 3
+ // 4 to 7 Device-specific
+ // 1 0 to 7 X displacement
+ // 2 0 to 7 Y displacement
+ // 3 to n 0 to 7 Device specific (optional)
//
- UsbMouseAbsolutePointerDevice->AbsolutePointerStateChanged = TRUE;
- UsbMouseAbsolutePointerDevice->AbsolutePointerState.CurrentX += *((INT8 *) Data + 1);
- UsbMouseAbsolutePointerDevice->AbsolutePointerState.CurrentY += *((INT8 *) Data + 2);
+ UsbMouseAbsolutePointerDevice->State.CurrentX += *((INT8 *) Data + 1);
+ UsbMouseAbsolutePointerDevice->State.CurrentY += *((INT8 *) Data + 2);
+
if (DataLength > 3) {
- UsbMouseAbsolutePointerDevice->AbsolutePointerState.CurrentZ += *((INT8 *) Data + 3);
+ UsbMouseAbsolutePointerDevice->State.CurrentZ += *((INT8 *) Data + 3);
}
- UsbMouseAbsolutePointerDevice->AbsolutePointerState.ActiveButtons = *(UINT8 *)Data & 0x3;
+ UsbMouseAbsolutePointerDevice->State.ActiveButtons = *(UINT8 *) Data & (BIT0 | BIT1);
return EFI_SUCCESS;
}
/**
- Get the mouse state, see ABSOLUTE POINTER PROTOCOL.
+ Retrieves the current state of a pointer device.
- @param This Protocol instance pointer.
- @param MouseState Current mouse state
+ @param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.
+ @param MouseState A pointer to the state information on the pointer device.
- @return EFI_SUCCESS
- @return EFI_DEVICE_ERROR
- @return EFI_NOT_READY
+ @retval EFI_SUCCESS The state of the pointer device was returned in State.
+ @retval EFI_NOT_READY The state of the pointer device has not changed since the last call to
+ GetState().
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's
+ current state.
+ @retval EFI_INVALID_PARAMETER State is NULL.
**/
EFI_STATUS
EFIAPI
GetMouseAbsolutePointerState (
IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
- OUT EFI_ABSOLUTE_POINTER_STATE *MouseAbsolutePointerState
+ OUT EFI_ABSOLUTE_POINTER_STATE *State
)
{
USB_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
- if (MouseAbsolutePointerState == NULL) {
- return EFI_DEVICE_ERROR;
+ if (State == NULL) {
+ return EFI_INVALID_PARAMETER;
}
MouseAbsolutePointerDev = USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL (This);
- if (!MouseAbsolutePointerDev->AbsolutePointerStateChanged) {
+ if (!MouseAbsolutePointerDev->StateChanged) {
return EFI_NOT_READY;
}
+ //
+ // Retrieve mouse state from USB_MOUSE_ABSOLUTE_POINTER_DEV,
+ // which was filled by OnMouseInterruptComplete()
+ //
CopyMem (
- MouseAbsolutePointerState,
- &MouseAbsolutePointerDev->AbsolutePointerState,
+ State,
+ &MouseAbsolutePointerDev->State,
sizeof (EFI_ABSOLUTE_POINTER_STATE)
);
//
// Clear previous move state
//
- MouseAbsolutePointerDev->AbsolutePointerState.CurrentX = 0;
- MouseAbsolutePointerDev->AbsolutePointerState.CurrentY = 0;
- MouseAbsolutePointerDev->AbsolutePointerState.CurrentZ = 0;
- MouseAbsolutePointerDev->AbsolutePointerState.ActiveButtons = 0;
+ MouseAbsolutePointerDev->State.CurrentX = 0;
+ MouseAbsolutePointerDev->State.CurrentY = 0;
+ MouseAbsolutePointerDev->State.CurrentZ = 0;
+ MouseAbsolutePointerDev->State.ActiveButtons = 0;
- MouseAbsolutePointerDev->AbsolutePointerStateChanged = FALSE;
+ MouseAbsolutePointerDev->StateChanged = FALSE;
return EFI_SUCCESS;
}
/**
- Reset the mouse device, see ABSOLUTE POINTER PROTOCOL.
+ Resets the pointer device hardware.
- @param This Protocol instance pointer.
- @param ExtendedVerification Ignored here/
+ @param This A pointer to the EFI_ABSOLUTE_POINTER_PROTOCOL instance.
+ @param ExtendedVerification Indicates that the driver may perform a more exhaustive
+ verification operation of the device during reset.
- @return EFI_SUCCESS
+ @retval EFI_SUCCESS The device was reset.
+ @retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset.
**/
EFI_STATUS
EFIAPI
UsbMouseAbsolutePointerReset (
- IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
+ IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
@@ -876,28 +831,29 @@ UsbMouseAbsolutePointerReset ( UsbMouseAbsolutePointerDevice = USB_MOUSE_ABSOLUTE_POINTER_DEV_FROM_MOUSE_PROTOCOL (This);
- MouseAbsolutePointerReportStatusCode (
- UsbMouseAbsolutePointerDevice->DevicePath,
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
- PcdGet32 (PcdStatusCodeValueMouseReset)
+ PcdGet32 (PcdStatusCodeValueMouseReset),
+ UsbMouseAbsolutePointerDevice->DevicePath
);
+ //
+ // Clear mouse state.
+ //
ZeroMem (
- &UsbMouseAbsolutePointerDevice->AbsolutePointerState,
+ &UsbMouseAbsolutePointerDevice->State,
sizeof (EFI_ABSOLUTE_POINTER_STATE)
);
- UsbMouseAbsolutePointerDevice->AbsolutePointerStateChanged = FALSE;
+ UsbMouseAbsolutePointerDevice->StateChanged = FALSE;
return EFI_SUCCESS;
}
/**
- Event notification function for ABSOLUTE_POINTER.WaitForInput event
- Signal the event if there is input from mouse
+ Event notification function for EFI_ABSOLUTE_POINTER_PROTOCOL.WaitForInput event.
- @param Event Wait Event
- @param Context Passed parameter to event handler
- VOID
+ @param Event Event to be signaled when there's input from mouse.
+ @param Context Points to USB_MOUSE_ABSOLUTE_POINTER_DEV instance.
**/
VOID
@@ -912,68 +868,50 @@ UsbMouseAbsolutePointerWaitForInput ( UsbMouseAbsolutePointerDev = (USB_MOUSE_ABSOLUTE_POINTER_DEV *) Context;
//
- // Someone is waiting on the mouse event, if there's
- // input from mouse, signal the event
+ // If there's input from mouse, signal the event.
//
- if (UsbMouseAbsolutePointerDev->AbsolutePointerStateChanged) {
+ if (UsbMouseAbsolutePointerDev->StateChanged) {
gBS->SignalEvent (Event);
}
}
/**
- Timer handler for Delayed Recovery timer.
+ Handler for Delayed Recovery event.
- @param Event The Delayed Recovery event.
- @param Context Points to the USB_KB_DEV instance.
+ This function is the handler for Delayed Recovery event triggered
+ by timer.
+ After a device error occurs, the event would be triggered
+ with interval of EFI_USB_INTERRUPT_DELAY. EFI_USB_INTERRUPT_DELAY
+ is defined in USB standard for error handling.
+ @param Event The Delayed Recovery event.
+ @param Context Points to the USB_MOUSE_ABSOLUTE_POINTER_DEV instance.
**/
VOID
EFIAPI
-USBMouseAbsolutePointerRecoveryHandler (
+USBMouseRecoveryHandler (
IN EFI_EVENT Event,
IN VOID *Context
)
{
USB_MOUSE_ABSOLUTE_POINTER_DEV *UsbMouseAbsolutePointerDev;
- EFI_USB_IO_PROTOCOL *UsbIo;
+ EFI_USB_IO_PROTOCOL *UsbIo;
UsbMouseAbsolutePointerDev = (USB_MOUSE_ABSOLUTE_POINTER_DEV *) Context;
UsbIo = UsbMouseAbsolutePointerDev->UsbIo;
+ //
+ // Re-submit Asynchronous Interrupt Transfer for recovery.
+ //
UsbIo->UsbAsyncInterruptTransfer (
- UsbIo,
- UsbMouseAbsolutePointerDev->IntEndpointDescriptor->EndpointAddress,
- TRUE,
- UsbMouseAbsolutePointerDev->IntEndpointDescriptor->Interval,
- UsbMouseAbsolutePointerDev->IntEndpointDescriptor->MaxPacketSize,
- OnMouseAbsolutePointerInterruptComplete,
- UsbMouseAbsolutePointerDev
- );
-}
-
-
-/**
- Report Status Code in Usb Bot Driver
-
- @param DevicePath Use this to get Device Path
- @param CodeType Status Code Type
- @param CodeValue Status Code Value
-
- @return None
-
-**/
-VOID
-MouseAbsolutePointerReportStatusCode (
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
- IN EFI_STATUS_CODE_TYPE CodeType,
- IN EFI_STATUS_CODE_VALUE Value
- )
-{
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- CodeType,
- Value,
- DevicePath
- );
+ UsbIo,
+ UsbMouseAbsolutePointerDev->IntEndpointDescriptor.EndpointAddress,
+ TRUE,
+ UsbMouseAbsolutePointerDev->IntEndpointDescriptor.Interval,
+ UsbMouseAbsolutePointerDev->IntEndpointDescriptor.MaxPacketSize,
+ OnMouseInterruptComplete,
+ UsbMouseAbsolutePointerDev
+ );
}
|