Add in Ps2keyboard.inf and Ps2Mouse.inf to IntelFrameworkModuelPkg
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3112 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12
763
IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
Normal file
763
IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/Ps2Mouse.c
Normal file
@ -0,0 +1,763 @@
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/*++
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Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved. <BR>
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This software and associated documentation (if any) is furnished
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under a license and may only be used or copied in accordance
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with the terms of the license. Except as permitted by such
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license, no part of this software or documentation may be
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reproduced, stored in a retrieval system, or transmitted in any
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form or by any means without the express written consent of
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Intel Corporation.
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Module Name:
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Ps2Mouse.c
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Abstract:
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PS/2 Mouse driver. Routines that interacts with callers,
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conforming to EFI driver model
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--*/
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//
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// Include common header file for this module.
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//
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#include "CommonHeader.h"
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#include "Ps2Mouse.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 gPS2MouseDriver = {
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PS2MouseDriverSupported,
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PS2MouseDriverStart,
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PS2MouseDriverStop,
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0xa,
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NULL,
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NULL
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};
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EFI_STATUS
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EFIAPI
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PS2MouseDriverSupported (
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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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Routine Description:
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ControllerDriver Protocol Method
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Arguments:
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Returns:
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--*/
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// GC_TODO: This - add argument and description to function comment
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// GC_TODO: Controller - add argument and description to function comment
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// GC_TODO: RemainingDevicePath - add argument and description to function comment
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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 Keyboard 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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EFI_STATUS
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EFIAPI
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PS2MouseDriverStart (
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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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Routine Description:
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Start protocol interfaces for the mouse device handles.
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Arguments:
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This - Protocol instance pointer.
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Controller - Handle of device to bind driver to.
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RemainingDevicePath - Not used.
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Returns:
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EFI_SUCCESS - This driver is added to DeviceHandle.
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other - Errors occurred.
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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_DEV *MouseDev;
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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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MouseDev = 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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MouseDev = AllocateZeroPool (sizeof (PS2_MOUSE_DEV));
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if (MouseDev == 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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MouseDev->Signature = PS2_MOUSE_DEV_SIGNATURE;
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MouseDev->Handle = Controller;
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MouseDev->SampleRate = SSR_20;
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MouseDev->Resolution = CMR4;
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MouseDev->Scaling = SF1;
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MouseDev->DataPackageSize = 3;
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MouseDev->IsaIo = IsaIo;
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MouseDev->DevicePath = ParentDevicePath;
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//
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// Resolution = 4 counts/mm
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//
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MouseDev->Mode.ResolutionX = 4;
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MouseDev->Mode.ResolutionY = 4;
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MouseDev->Mode.LeftButton = TRUE;
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MouseDev->Mode.RightButton = TRUE;
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MouseDev->SimplePointerProtocol.Reset = MouseReset;
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MouseDev->SimplePointerProtocol.GetState = MouseGetState;
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MouseDev->SimplePointerProtocol.Mode = &(MouseDev->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 = MouseDev->SimplePointerProtocol.Reset (&MouseDev->SimplePointerProtocol, 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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MouseWaitForInput,
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MouseDev,
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&((MouseDev->SimplePointerProtocol).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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PollMouse,
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MouseDev,
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&MouseDev->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 (MouseDev->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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MouseDev->ControllerNameTable = NULL;
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AddUnicodeString (
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"eng",
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gPs2MouseComponentName.SupportedLanguages,
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&MouseDev->ControllerNameTable,
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L"PS/2 Mouse Device"
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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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&gEfiSimplePointerProtocolGuid,
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&MouseDev->SimplePointerProtocol,
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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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||||
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return Status;
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ErrorExit:
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KbcDisableAux (IsaIo);
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||||
if (StatusCode != 0) {
|
||||
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
|
||||
EFI_ERROR_CODE | EFI_ERROR_MINOR,
|
||||
StatusCode,
|
||||
ParentDevicePath
|
||||
);
|
||||
}
|
||||
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||||
if ((MouseDev != NULL) && (MouseDev->SimplePointerProtocol.WaitForInput != NULL)) {
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||||
gBS->CloseEvent (MouseDev->SimplePointerProtocol.WaitForInput);
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||||
}
|
||||
|
||||
if ((MouseDev != NULL) && (MouseDev->TimerEvent != NULL)) {
|
||||
gBS->CloseEvent (MouseDev->TimerEvent);
|
||||
}
|
||||
|
||||
if ((MouseDev != NULL) && (MouseDev->ControllerNameTable != NULL)) {
|
||||
FreeUnicodeStringTable (MouseDev->ControllerNameTable);
|
||||
}
|
||||
//
|
||||
// Since there will be no timer handler for mouse input any more,
|
||||
// exhaust input data just in case there is still mouse data left
|
||||
//
|
||||
EmptyStatus = EFI_SUCCESS;
|
||||
while (!EFI_ERROR (EmptyStatus)) {
|
||||
EmptyStatus = In8042Data (IsaIo, &Data);
|
||||
}
|
||||
|
||||
if (MouseDev != NULL) {
|
||||
gBS->FreePool (MouseDev);
|
||||
}
|
||||
|
||||
gBS->CloseProtocol (
|
||||
Controller,
|
||||
&gEfiDevicePathProtocolGuid,
|
||||
This->DriverBindingHandle,
|
||||
Controller
|
||||
);
|
||||
|
||||
gBS->CloseProtocol (
|
||||
Controller,
|
||||
&gEfiIsaIoProtocolGuid,
|
||||
This->DriverBindingHandle,
|
||||
Controller
|
||||
);
|
||||
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
PS2MouseDriverStop (
|
||||
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
||||
IN EFI_HANDLE Controller,
|
||||
IN UINTN NumberOfChildren,
|
||||
IN EFI_HANDLE *ChildHandleBuffer
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Arguments:
|
||||
|
||||
Returns:
|
||||
|
||||
--*/
|
||||
// GC_TODO: This - add argument and description to function comment
|
||||
// GC_TODO: Controller - add argument and description to function comment
|
||||
// GC_TODO: NumberOfChildren - add argument and description to function comment
|
||||
// GC_TODO: ChildHandleBuffer - add argument and description to function comment
|
||||
// GC_TODO: EFI_SUCCESS - add return value to function comment
|
||||
// GC_TODO: EFI_SUCCESS - add return value to function comment
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_SIMPLE_POINTER_PROTOCOL *SimplePointerProtocol;
|
||||
PS2_MOUSE_DEV *MouseDev;
|
||||
UINT8 Data;
|
||||
|
||||
Status = gBS->OpenProtocol (
|
||||
Controller,
|
||||
&gEfiSimplePointerProtocolGuid,
|
||||
(VOID **) &SimplePointerProtocol,
|
||||
This->DriverBindingHandle,
|
||||
Controller,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
MouseDev = PS2_MOUSE_DEV_FROM_THIS (SimplePointerProtocol);
|
||||
|
||||
//
|
||||
// Report that the keyboard is being disabled
|
||||
//
|
||||
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
|
||||
EFI_PROGRESS_CODE,
|
||||
EFI_PERIPHERAL_MOUSE | EFI_P_PC_DISABLE,
|
||||
MouseDev->DevicePath
|
||||
);
|
||||
|
||||
Status = gBS->UninstallProtocolInterface (
|
||||
Controller,
|
||||
&gEfiSimplePointerProtocolGuid,
|
||||
&MouseDev->SimplePointerProtocol
|
||||
);
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
//
|
||||
// Disable mouse on keyboard controller
|
||||
//
|
||||
KbcDisableAux (MouseDev->IsaIo);
|
||||
|
||||
//
|
||||
// Cancel mouse data polling timer, close timer event
|
||||
//
|
||||
gBS->SetTimer (MouseDev->TimerEvent, TimerCancel, 0);
|
||||
gBS->CloseEvent (MouseDev->TimerEvent);
|
||||
|
||||
//
|
||||
// Since there will be no timer handler for mouse input any more,
|
||||
// exhaust input data just in case there is still mouse data left
|
||||
//
|
||||
Status = EFI_SUCCESS;
|
||||
while (!EFI_ERROR (Status)) {
|
||||
Status = In8042Data (MouseDev->IsaIo, &Data);
|
||||
}
|
||||
|
||||
gBS->CloseEvent (MouseDev->SimplePointerProtocol.WaitForInput);
|
||||
FreeUnicodeStringTable (MouseDev->ControllerNameTable);
|
||||
gBS->FreePool (MouseDev);
|
||||
|
||||
gBS->CloseProtocol (
|
||||
Controller,
|
||||
&gEfiDevicePathProtocolGuid,
|
||||
This->DriverBindingHandle,
|
||||
Controller
|
||||
);
|
||||
|
||||
gBS->CloseProtocol (
|
||||
Controller,
|
||||
&gEfiIsaIoProtocolGuid,
|
||||
This->DriverBindingHandle,
|
||||
Controller
|
||||
);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MouseReset (
|
||||
IN EFI_SIMPLE_POINTER_PROTOCOL *This,
|
||||
IN BOOLEAN ExtendedVerification
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Reset the Mouse and do BAT test for it, if ExtendedVerification isTRUE and there is a mouse device connectted to system
|
||||
|
||||
Arguments:
|
||||
|
||||
This - Pointer of simple pointer Protocol.
|
||||
ExtendedVerification - Whether configure mouse parameters. True: do; FALSE: skip.
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_SUCCESS - The command byte is written successfully.
|
||||
EFI_DEVICE_ERROR - Errors occurred during reseting keyboard.
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PS2_MOUSE_DEV *MouseDev;
|
||||
EFI_TPL OldTpl;
|
||||
BOOLEAN KeyboardEnable;
|
||||
UINT8 Data;
|
||||
|
||||
MouseDev = PS2_MOUSE_DEV_FROM_THIS (This);
|
||||
|
||||
//
|
||||
// Report reset progress code
|
||||
//
|
||||
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
|
||||
EFI_PROGRESS_CODE,
|
||||
EFI_PERIPHERAL_MOUSE | EFI_P_PC_RESET,
|
||||
MouseDev->DevicePath
|
||||
);
|
||||
|
||||
KeyboardEnable = FALSE;
|
||||
|
||||
//
|
||||
// Raise TPL to avoid keyboard operation impact
|
||||
//
|
||||
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
||||
|
||||
ZeroMem (&MouseDev->State, sizeof (EFI_SIMPLE_POINTER_STATE));
|
||||
MouseDev->StateChanged = FALSE;
|
||||
|
||||
//
|
||||
// Exhaust input data
|
||||
//
|
||||
Status = EFI_SUCCESS;
|
||||
while (!EFI_ERROR (Status)) {
|
||||
Status = In8042Data (MouseDev->IsaIo, &Data);
|
||||
}
|
||||
|
||||
CheckKbStatus (MouseDev->IsaIo, &KeyboardEnable);
|
||||
|
||||
KbcDisableKb (MouseDev->IsaIo);
|
||||
|
||||
MouseDev->IsaIo->Io.Read (MouseDev->IsaIo, EfiIsaIoWidthUint8, KBC_CMD_STS_PORT, 1, &Data);
|
||||
|
||||
//
|
||||
// if there's data block on KBC data port, read it out
|
||||
//
|
||||
if ((Data & KBC_OUTB) == KBC_OUTB) {
|
||||
MouseDev->IsaIo->Io.Read (MouseDev->IsaIo, EfiIsaIoWidthUint8, KBC_DATA_PORT, 1, &Data);
|
||||
}
|
||||
|
||||
Status = EFI_SUCCESS;
|
||||
//
|
||||
// The PS2 mouse driver reset behavior is always successfully return no matter wheater or not there is mouse connected to system.
|
||||
// This behavior is needed by performance speed. The following mouse command only succeessfully finish when mouse device is
|
||||
// connected to system, so if PS2 mouse device not connect to system or user not ask for, we skip the mouse configuration and enabling
|
||||
//
|
||||
if (ExtendedVerification && CheckMouseConnect (MouseDev)) {
|
||||
//
|
||||
// Send mouse reset command and set mouse default configure
|
||||
//
|
||||
Status = PS2MouseReset (MouseDev->IsaIo);
|
||||
if (EFI_ERROR (Status)) {
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
Status = PS2MouseSetSampleRate (MouseDev->IsaIo, MouseDev->SampleRate);
|
||||
if (EFI_ERROR (Status)) {
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
Status = PS2MouseSetResolution (MouseDev->IsaIo, MouseDev->Resolution);
|
||||
if (EFI_ERROR (Status)) {
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
Status = PS2MouseSetScaling (MouseDev->IsaIo, MouseDev->Scaling);
|
||||
if (EFI_ERROR (Status)) {
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
Status = PS2MouseEnable (MouseDev->IsaIo);
|
||||
if (EFI_ERROR (Status)) {
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
goto Exit;
|
||||
}
|
||||
}
|
||||
Exit:
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
|
||||
if (KeyboardEnable) {
|
||||
KbcEnableKb (MouseDev->IsaIo);
|
||||
}
|
||||
|
||||
return Status;
|
||||
}
|
||||
|
||||
BOOLEAN
|
||||
CheckMouseConnect (
|
||||
IN PS2_MOUSE_DEV *MouseDev
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Check whether there is Ps/2 mouse device in system
|
||||
|
||||
Arguments:
|
||||
|
||||
PS2_MOUSE_DEV - Mouse Private Data Structure
|
||||
|
||||
Returns:
|
||||
|
||||
TRUE - Keyboard in System.
|
||||
FALSE - Keyboard not in System.
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
Status = PS2MouseEnable (MouseDev->IsaIo);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
MouseGetState (
|
||||
IN EFI_SIMPLE_POINTER_PROTOCOL *This,
|
||||
IN OUT EFI_SIMPLE_POINTER_STATE *State
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
GC_TODO: Add function description
|
||||
|
||||
Arguments:
|
||||
|
||||
This - GC_TODO: add argument description
|
||||
State - GC_TODO: add argument description
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_INVALID_PARAMETER - GC_TODO: Add description for return value
|
||||
EFI_NOT_READY - GC_TODO: Add description for return value
|
||||
EFI_SUCCESS - GC_TODO: Add description for return value
|
||||
|
||||
--*/
|
||||
{
|
||||
PS2_MOUSE_DEV *MouseDev;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
MouseDev = PS2_MOUSE_DEV_FROM_THIS (This);
|
||||
|
||||
if (State == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
if (!MouseDev->StateChanged) {
|
||||
return EFI_NOT_READY;
|
||||
}
|
||||
|
||||
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
|
||||
CopyMem (State, &(MouseDev->State), sizeof (EFI_SIMPLE_POINTER_STATE));
|
||||
|
||||
//
|
||||
// clear mouse state
|
||||
//
|
||||
MouseDev->State.RelativeMovementX = 0;
|
||||
MouseDev->State.RelativeMovementY = 0;
|
||||
MouseDev->State.RelativeMovementZ = 0;
|
||||
MouseDev->StateChanged = FALSE;
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
VOID
|
||||
EFIAPI
|
||||
MouseWaitForInput (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Event notification function for SIMPLE_POINTER.WaitForInput event
|
||||
Signal the event if there is input from mouse
|
||||
|
||||
Arguments:
|
||||
|
||||
Returns:
|
||||
|
||||
--*/
|
||||
// GC_TODO: Event - add argument and description to function comment
|
||||
// GC_TODO: Context - add argument and description to function comment
|
||||
{
|
||||
PS2_MOUSE_DEV *MouseDev;
|
||||
|
||||
MouseDev = (PS2_MOUSE_DEV *) Context;
|
||||
|
||||
//
|
||||
// Someone is waiting on the mouse event, if there's
|
||||
// input from mouse, signal the event
|
||||
//
|
||||
if (MouseDev->StateChanged) {
|
||||
gBS->SignalEvent (Event);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
VOID
|
||||
EFIAPI
|
||||
PollMouse (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Event notification function for TimerEvent event
|
||||
If mouse device is connected to system, try to get the mouse packet data
|
||||
|
||||
Arguments:
|
||||
|
||||
Event - TimerEvent in PS2_MOUSE_DEV
|
||||
Context - Pointer to PS2_MOUSE_DEV structure
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
{
|
||||
PS2_MOUSE_DEV *MouseDev;
|
||||
|
||||
MouseDev = (PS2_MOUSE_DEV *) Context;
|
||||
|
||||
//
|
||||
// Polling mouse packet data
|
||||
//
|
||||
PS2MouseGetPacket (MouseDev);
|
||||
}
|
||||
Reference in New Issue
Block a user