mirror of https://github.com/acidanthera/audk.git
770 lines
22 KiB
C
770 lines
22 KiB
C
/**@file
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A faked PS/2 Touchpad driver. Routines that interacts with callers,
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conforming to EFI driver model
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Copyright (c) 2006 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "Ps2MouseAbsolutePointer.h"
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#include "CommPs2.h"
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//
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// DriverBinding Protocol Instance
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//
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EFI_DRIVER_BINDING_PROTOCOL gPS2MouseAbsolutePointerDriver = {
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PS2MouseAbsolutePointerDriverSupported,
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PS2MouseAbsolutePointerDriverStart,
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PS2MouseAbsolutePointerDriverStop,
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0x1,
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NULL,
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NULL
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};
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/**
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Test to see if this driver supports ControllerHandle. Any ControllerHandle
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than contains a IsaIo protocol can be supported.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device
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@retval EFI_ALREADY_STARTED This driver is already running on this device
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PS2MouseAbsolutePointerDriverSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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{
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EFI_STATUS Status;
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EFI_ISA_IO_PROTOCOL *IsaIo;
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Status = EFI_SUCCESS;
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//
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// Open the IO Abstraction(s) needed to perform the supported test
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiIsaIoProtocolGuid,
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(VOID **) &IsaIo,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Use the ISA I/O Protocol to see if Controller is the Mouse controller
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//
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switch (IsaIo->ResourceList->Device.HID) {
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case EISA_PNP_ID (0xF03):
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//
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// Microsoft PS/2 style mouse
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//
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case EISA_PNP_ID (0xF13):
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//
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// PS/2 Port for PS/2-style Mice
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//
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break;
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case EISA_PNP_ID (0x303):
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//
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// IBM Enhanced (101/102-key, PS/2 mouse support)
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//
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if (IsaIo->ResourceList->Device.UID == 1) {
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break;
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}
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default:
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Status = EFI_UNSUPPORTED;
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break;
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}
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//
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// Close the I/O Abstraction(s) used to perform the supported test
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//
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gBS->CloseProtocol (
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Controller,
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&gEfiIsaIoProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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return Status;
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}
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/**
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Start this driver on ControllerHandle by opening a IsaIo
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protocol, creating PS2_MOUSE_ABSOLUTE_POINTER_DEV device and install gEfiAbsolutePointerProtocolGuid
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finnally.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver is added to ControllerHandle
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PS2MouseAbsolutePointerDriverStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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{
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EFI_STATUS Status;
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EFI_STATUS EmptyStatus;
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EFI_ISA_IO_PROTOCOL *IsaIo;
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PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
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UINT8 Data;
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EFI_TPL OldTpl;
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EFI_STATUS_CODE_VALUE StatusCode;
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EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
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StatusCode = 0;
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MouseAbsolutePointerDev = NULL;
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IsaIo = NULL;
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//
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// Open the device path protocol
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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(VOID **) &ParentDevicePath,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Report that the keyboard is being enabled
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//
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REPORT_STATUS_CODE_WITH_DEVICE_PATH (
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EFI_PROGRESS_CODE,
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EFI_PERIPHERAL_MOUSE | EFI_P_PC_ENABLE,
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ParentDevicePath
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);
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//
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// Get the ISA I/O Protocol on Controller's handle
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiIsaIoProtocolGuid,
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(VOID **) &IsaIo,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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return EFI_INVALID_PARAMETER;
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}
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//
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// Raise TPL to avoid keyboard operation impact
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//
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OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
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//
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// Allocate private data
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//
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MouseAbsolutePointerDev = AllocateZeroPool (sizeof (PS2_MOUSE_ABSOLUTE_POINTER_DEV));
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if (MouseAbsolutePointerDev == NULL) {
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Status = EFI_OUT_OF_RESOURCES;
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goto ErrorExit;
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}
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//
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// Setup the device instance
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//
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MouseAbsolutePointerDev->Signature = PS2_MOUSE_ABSOLUTE_POINTER_DEV_SIGNATURE;
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MouseAbsolutePointerDev->Handle = Controller;
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MouseAbsolutePointerDev->SampleRate = SSR_20;
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MouseAbsolutePointerDev->Resolution = CMR4;
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MouseAbsolutePointerDev->Scaling = SF1;
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MouseAbsolutePointerDev->DataPackageSize = 3;
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MouseAbsolutePointerDev->IsaIo = IsaIo;
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MouseAbsolutePointerDev->DevicePath = ParentDevicePath;
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//
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// Resolution = 4 counts/mm
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//
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MouseAbsolutePointerDev->Mode.AbsoluteMaxX = 1024;
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MouseAbsolutePointerDev->Mode.AbsoluteMinX = 0;
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MouseAbsolutePointerDev->Mode.AbsoluteMaxY = 798;
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MouseAbsolutePointerDev->Mode.AbsoluteMinY = 0;
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MouseAbsolutePointerDev->Mode.AbsoluteMaxZ = 0;
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MouseAbsolutePointerDev->Mode.AbsoluteMinZ = 0;
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MouseAbsolutePointerDev->Mode.Attributes = 0x03;
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MouseAbsolutePointerDev->AbsolutePointerProtocol.Reset = MouseAbsolutePointerReset;
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MouseAbsolutePointerDev->AbsolutePointerProtocol.GetState = MouseAbsolutePointerGetState;
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MouseAbsolutePointerDev->AbsolutePointerProtocol.Mode = &(MouseAbsolutePointerDev->Mode);
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//
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// Initialize keyboard controller if necessary
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//
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IsaIo->Io.Read (IsaIo, EfiIsaIoWidthUint8, KBC_CMD_STS_PORT, 1, &Data);
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if ((Data & KBC_SYSF) != KBC_SYSF) {
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Status = KbcSelfTest (IsaIo);
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if (EFI_ERROR (Status)) {
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StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_CONTROLLER_ERROR;
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goto ErrorExit;
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}
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}
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KbcEnableAux (IsaIo);
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REPORT_STATUS_CODE_WITH_DEVICE_PATH (
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EFI_PROGRESS_CODE,
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EFI_PERIPHERAL_MOUSE | EFI_P_PC_PRESENCE_DETECT,
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ParentDevicePath
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);
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//
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// Reset the mouse
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//
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Status = MouseAbsolutePointerDev->AbsolutePointerProtocol.Reset (&MouseAbsolutePointerDev->AbsolutePointerProtocol, TRUE);
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if (EFI_ERROR (Status)) {
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//
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// mouse not connected
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//
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Status = EFI_SUCCESS;
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StatusCode = EFI_PERIPHERAL_MOUSE | EFI_P_EC_NOT_DETECTED;
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goto ErrorExit;
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}
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//
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// Setup the WaitForKey event
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//
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Status = gBS->CreateEvent (
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EVT_NOTIFY_WAIT,
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TPL_NOTIFY,
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MouseAbsolutePointerWaitForInput,
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MouseAbsolutePointerDev,
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&((MouseAbsolutePointerDev->AbsolutePointerProtocol).WaitForInput)
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);
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if (EFI_ERROR (Status)) {
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Status = EFI_OUT_OF_RESOURCES;
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goto ErrorExit;
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}
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//
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// Setup a periodic timer, used to poll mouse state
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//
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Status = gBS->CreateEvent (
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EVT_TIMER | EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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PollMouseAbsolutePointer,
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MouseAbsolutePointerDev,
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&MouseAbsolutePointerDev->TimerEvent
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);
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if (EFI_ERROR (Status)) {
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Status = EFI_OUT_OF_RESOURCES;
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goto ErrorExit;
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}
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//
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// Start timer to poll mouse (100 samples per second)
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//
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Status = gBS->SetTimer (MouseAbsolutePointerDev->TimerEvent, TimerPeriodic, 100000);
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if (EFI_ERROR (Status)) {
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Status = EFI_OUT_OF_RESOURCES;
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goto ErrorExit;
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}
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MouseAbsolutePointerDev->ControllerNameTable = NULL;
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AddUnicodeString2 (
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"eng",
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gPs2MouseAbsolutePointerComponentName.SupportedLanguages,
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&MouseAbsolutePointerDev->ControllerNameTable,
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L"Faked PS/2 Touchpad Device",
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TRUE
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);
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AddUnicodeString2 (
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"en",
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gPs2MouseAbsolutePointerComponentName2.SupportedLanguages,
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&MouseAbsolutePointerDev->ControllerNameTable,
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L"Faked PS/2 Touchpad Device",
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FALSE
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);
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//
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// Install protocol interfaces for the mouse device.
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&Controller,
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&gEfiAbsolutePointerProtocolGuid,
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&MouseAbsolutePointerDev->AbsolutePointerProtocol,
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NULL
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);
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if (EFI_ERROR (Status)) {
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goto ErrorExit;
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}
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gBS->RestoreTPL (OldTpl);
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return Status;
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ErrorExit:
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KbcDisableAux (IsaIo);
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if (StatusCode != 0) {
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REPORT_STATUS_CODE_WITH_DEVICE_PATH (
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EFI_ERROR_CODE | EFI_ERROR_MINOR,
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StatusCode,
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ParentDevicePath
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);
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}
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if ((MouseAbsolutePointerDev != NULL) && (MouseAbsolutePointerDev->AbsolutePointerProtocol.WaitForInput != NULL)) {
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gBS->CloseEvent (MouseAbsolutePointerDev->AbsolutePointerProtocol.WaitForInput);
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}
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if ((MouseAbsolutePointerDev != NULL) && (MouseAbsolutePointerDev->TimerEvent != NULL)) {
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gBS->CloseEvent (MouseAbsolutePointerDev->TimerEvent);
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}
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if ((MouseAbsolutePointerDev != NULL) && (MouseAbsolutePointerDev->ControllerNameTable != NULL)) {
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FreeUnicodeStringTable (MouseAbsolutePointerDev->ControllerNameTable);
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}
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//
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// Since there will be no timer handler for mouse input any more,
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// exhaust input data just in case there is still mouse data left
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//
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EmptyStatus = EFI_SUCCESS;
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while (!EFI_ERROR (EmptyStatus)) {
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EmptyStatus = In8042Data (IsaIo, &Data);
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}
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if (MouseAbsolutePointerDev != NULL) {
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gBS->FreePool (MouseAbsolutePointerDev);
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}
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gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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gBS->CloseProtocol (
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Controller,
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&gEfiIsaIoProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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gBS->RestoreTPL (OldTpl);
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return Status;
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}
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/**
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Stop this driver on ControllerHandle. Support stoping any child handles
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created by this driver.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed ControllerHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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PS2MouseAbsolutePointerDriverStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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)
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{
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EFI_STATUS Status;
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EFI_ABSOLUTE_POINTER_PROTOCOL *AbsolutePointerProtocol;
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PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
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UINT8 Data;
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiAbsolutePointerProtocolGuid,
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(VOID **) &AbsolutePointerProtocol,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_SUCCESS;
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}
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MouseAbsolutePointerDev = PS2_MOUSE_ABSOLUTE_POINTER_DEV_FROM_THIS (AbsolutePointerProtocol);
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//
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// Report that the keyboard is being disabled
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//
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REPORT_STATUS_CODE_WITH_DEVICE_PATH (
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EFI_PROGRESS_CODE,
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EFI_PERIPHERAL_MOUSE | EFI_P_PC_DISABLE,
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MouseAbsolutePointerDev->DevicePath
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);
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Status = gBS->UninstallProtocolInterface (
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Controller,
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&gEfiAbsolutePointerProtocolGuid,
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&MouseAbsolutePointerDev->AbsolutePointerProtocol
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Disable mouse on keyboard controller
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//
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KbcDisableAux (MouseAbsolutePointerDev->IsaIo);
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//
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// Cancel mouse data polling timer, close timer event
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//
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gBS->SetTimer (MouseAbsolutePointerDev->TimerEvent, TimerCancel, 0);
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gBS->CloseEvent (MouseAbsolutePointerDev->TimerEvent);
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//
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// Since there will be no timer handler for mouse input any more,
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// exhaust input data just in case there is still mouse data left
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//
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Status = EFI_SUCCESS;
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while (!EFI_ERROR (Status)) {
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Status = In8042Data (MouseAbsolutePointerDev->IsaIo, &Data);
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}
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gBS->CloseEvent (MouseAbsolutePointerDev->AbsolutePointerProtocol.WaitForInput);
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FreeUnicodeStringTable (MouseAbsolutePointerDev->ControllerNameTable);
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gBS->FreePool (MouseAbsolutePointerDev);
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gBS->CloseProtocol (
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Controller,
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&gEfiDevicePathProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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gBS->CloseProtocol (
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Controller,
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&gEfiIsaIoProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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return EFI_SUCCESS;
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}
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|
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/**
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Reset the Mouse and do BAT test for it, if ExtendedVerification isTRUE and there is a mouse device connectted to system
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@param This - Pointer of simple pointer Protocol.
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@param ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
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|
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@retval EFI_SUCCESS - The command byte is written successfully.
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@retval EFI_DEVICE_ERROR - Errors occurred during reseting keyboard.
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**/
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EFI_STATUS
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EFIAPI
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MouseAbsolutePointerReset (
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IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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)
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{
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EFI_STATUS Status;
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PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
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EFI_TPL OldTpl;
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BOOLEAN KeyboardEnable;
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UINT8 Data;
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MouseAbsolutePointerDev = PS2_MOUSE_ABSOLUTE_POINTER_DEV_FROM_THIS (This);
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|
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//
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// Report reset progress code
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//
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REPORT_STATUS_CODE_WITH_DEVICE_PATH (
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EFI_PROGRESS_CODE,
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EFI_PERIPHERAL_MOUSE | EFI_P_PC_RESET,
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MouseAbsolutePointerDev->DevicePath
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);
|
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KeyboardEnable = FALSE;
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|
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//
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// Raise TPL to avoid keyboard operation impact
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//
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OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
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ZeroMem (&MouseAbsolutePointerDev->State, sizeof (EFI_ABSOLUTE_POINTER_STATE));
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MouseAbsolutePointerDev->StateChanged = FALSE;
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//
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// Exhaust input data
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//
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Status = EFI_SUCCESS;
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while (!EFI_ERROR (Status)) {
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Status = In8042Data (MouseAbsolutePointerDev->IsaIo, &Data);
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}
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CheckKbStatus (MouseAbsolutePointerDev->IsaIo, &KeyboardEnable);
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KbcDisableKb (MouseAbsolutePointerDev->IsaIo);
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MouseAbsolutePointerDev->IsaIo->Io.Read (MouseAbsolutePointerDev->IsaIo, EfiIsaIoWidthUint8, KBC_CMD_STS_PORT, 1, &Data);
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|
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//
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// if there's data block on KBC data port, read it out
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//
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if ((Data & KBC_OUTB) == KBC_OUTB) {
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MouseAbsolutePointerDev->IsaIo->Io.Read (MouseAbsolutePointerDev->IsaIo, EfiIsaIoWidthUint8, KBC_DATA_PORT, 1, &Data);
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}
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Status = EFI_SUCCESS;
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//
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|
// The PS2 mouse driver reset behavior is always successfully return no matter wheater or not there is mouse connected to system.
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|
// This behavior is needed by performance speed. The following mouse command only succeessfully finish when mouse device is
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|
// connected to system, so if PS2 mouse device not connect to system or user not ask for, we skip the mouse configuration and enabling
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//
|
|
if (ExtendedVerification && CheckMouseAbsolutePointerConnect (MouseAbsolutePointerDev)) {
|
|
//
|
|
// Send mouse reset command and set mouse default configure
|
|
//
|
|
Status = PS2MouseReset (MouseAbsolutePointerDev->IsaIo);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto Exit;
|
|
}
|
|
|
|
Status = PS2MouseSetSampleRate (MouseAbsolutePointerDev->IsaIo, MouseAbsolutePointerDev->SampleRate);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto Exit;
|
|
}
|
|
|
|
Status = PS2MouseSetResolution (MouseAbsolutePointerDev->IsaIo, MouseAbsolutePointerDev->Resolution);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto Exit;
|
|
}
|
|
|
|
Status = PS2MouseSetScaling (MouseAbsolutePointerDev->IsaIo, MouseAbsolutePointerDev->Scaling);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto Exit;
|
|
}
|
|
|
|
Status = PS2MouseEnable (MouseAbsolutePointerDev->IsaIo);
|
|
if (EFI_ERROR (Status)) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto Exit;
|
|
}
|
|
}
|
|
Exit:
|
|
gBS->RestoreTPL (OldTpl);
|
|
|
|
if (KeyboardEnable) {
|
|
KbcEnableKb (MouseAbsolutePointerDev->IsaIo);
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Check whether there is Ps/2 mouse device in system
|
|
|
|
@param PS2_MOUSE_DEV - Mouse Private Data Structure
|
|
|
|
@retval TRUE - Keyboard in System.
|
|
@retval FALSE - Keyboard not in System.
|
|
|
|
**/
|
|
BOOLEAN
|
|
CheckMouseAbsolutePointerConnect (
|
|
IN PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev
|
|
)
|
|
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = PS2MouseEnable (MouseAbsolutePointerDev->IsaIo);
|
|
if (!EFI_ERROR (Status)) {
|
|
return TRUE;
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
Get and Clear mouse status.
|
|
|
|
@param This - Pointer of simple pointer Protocol.
|
|
@param State - Output buffer holding status.
|
|
|
|
@retval EFI_INVALID_PARAMETER Output buffer is invalid.
|
|
@retval EFI_NOT_READY Mouse is not changed status yet.
|
|
@retval EFI_SUCCESS Mouse status is changed and get successful.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MouseAbsolutePointerGetState (
|
|
IN EFI_ABSOLUTE_POINTER_PROTOCOL *This,
|
|
IN OUT EFI_ABSOLUTE_POINTER_STATE *State
|
|
)
|
|
{
|
|
PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
|
|
EFI_TPL OldTpl;
|
|
|
|
MouseAbsolutePointerDev = PS2_MOUSE_ABSOLUTE_POINTER_DEV_FROM_THIS (This);
|
|
|
|
if (State == NULL) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (!MouseAbsolutePointerDev->StateChanged) {
|
|
return EFI_NOT_READY;
|
|
}
|
|
|
|
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
|
CopyMem (State, &(MouseAbsolutePointerDev->State), sizeof (EFI_ABSOLUTE_POINTER_STATE));
|
|
|
|
//
|
|
// clear mouse state
|
|
//
|
|
MouseAbsolutePointerDev->State.CurrentX = 0;
|
|
MouseAbsolutePointerDev->State.CurrentY = 0;
|
|
MouseAbsolutePointerDev->State.CurrentZ = 0;
|
|
MouseAbsolutePointerDev->State.ActiveButtons = 0x0;
|
|
MouseAbsolutePointerDev->StateChanged = FALSE;
|
|
gBS->RestoreTPL (OldTpl);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
|
|
Event notification function for SIMPLE_POINTER.WaitForInput event
|
|
Signal the event if there is input from mouse
|
|
|
|
@param Event event object
|
|
@param Context event context
|
|
|
|
**/
|
|
|
|
VOID
|
|
EFIAPI
|
|
MouseAbsolutePointerWaitForInput (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
)
|
|
// GC_TODO: Event - add argument and description to function comment
|
|
// GC_TODO: Context - add argument and description to function comment
|
|
{
|
|
PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
|
|
|
|
MouseAbsolutePointerDev = (PS2_MOUSE_ABSOLUTE_POINTER_DEV *) Context;
|
|
|
|
//
|
|
// Someone is waiting on the mouse event, if there's
|
|
// input from mouse, signal the event
|
|
//
|
|
if (MouseAbsolutePointerDev->StateChanged) {
|
|
gBS->SignalEvent (Event);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
Event notification function for TimerEvent event
|
|
If mouse device is connected to system, try to get the mouse packet data
|
|
|
|
@param Event - TimerEvent in PS2_MOUSE_DEV
|
|
@param Context - Pointer to PS2_MOUSE_DEV structure
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
PollMouseAbsolutePointer(
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
)
|
|
|
|
{
|
|
PS2_MOUSE_ABSOLUTE_POINTER_DEV *MouseAbsolutePointerDev;
|
|
|
|
MouseAbsolutePointerDev = (PS2_MOUSE_ABSOLUTE_POINTER_DEV *) Context;
|
|
|
|
//
|
|
// Polling mouse packet data
|
|
//
|
|
PS2MouseGetPacket (MouseAbsolutePointerDev);
|
|
}
|
|
|
|
/**
|
|
The user Entry Point for module Ps2MouseAbsolutePointer. The user code starts with this function.
|
|
|
|
@param[in] ImageHandle The firmware allocated handle for the EFI image.
|
|
@param[in] SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The entry point is executed successfully.
|
|
@retval other Some error occurs when executing this entry point.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
InitializePs2MouseAbsolutePointer(
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Install driver model protocol(s).
|
|
//
|
|
Status = EfiLibInstallDriverBindingComponentName2 (
|
|
ImageHandle,
|
|
SystemTable,
|
|
&gPS2MouseAbsolutePointerDriver,
|
|
ImageHandle,
|
|
&gPs2MouseAbsolutePointerComponentName,
|
|
&gPs2MouseAbsolutePointerComponentName2
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
|
|
return Status;
|
|
}
|
|
|