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90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* VideoPort driver
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*
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* Copyright (C) 2002, 2003, 2004 ReactOS Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "videoprt.h"
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/* PRIVATE FUNCTIONS **********************************************************/
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VOID NTAPI
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IntVideoPortTimerRoutine(
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IN PDEVICE_OBJECT DeviceObject,
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IN PVOID ServiceContext)
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{
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PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension = ServiceContext;
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ASSERT(DeviceExtension->DriverExtension->InitializationData.HwTimer != NULL);
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DeviceExtension->DriverExtension->InitializationData.HwTimer(
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&DeviceExtension->MiniPortDeviceExtension);
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}
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BOOLEAN NTAPI
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IntVideoPortSetupTimer(
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IN PDEVICE_OBJECT DeviceObject,
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IN PVIDEO_PORT_DRIVER_EXTENSION DriverExtension)
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{
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NTSTATUS Status;
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PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
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DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
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if (DriverExtension->InitializationData.HwTimer != NULL)
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{
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INFO_(VIDEOPRT, "Initializing timer\n");
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Status = IoInitializeTimer(
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DeviceObject,
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IntVideoPortTimerRoutine,
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DeviceExtension);
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if (!NT_SUCCESS(Status))
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{
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WARN_(VIDEOPRT, "IoInitializeTimer failed with status 0x%08x\n", Status);
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return FALSE;
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}
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}
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return TRUE;
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}
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/* PUBLIC FUNCTIONS ***********************************************************/
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/*
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* @implemented
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*/
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VOID NTAPI
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VideoPortStartTimer(IN PVOID HwDeviceExtension)
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{
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TRACE_(VIDEOPRT, "VideoPortStartTimer\n");
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IoStartTimer(VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension)->FunctionalDeviceObject);
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}
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/*
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* @implemented
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*/
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VOID NTAPI
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VideoPortStopTimer(IN PVOID HwDeviceExtension)
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{
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TRACE_(VIDEOPRT, "VideoPortStopTimer\n");
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IoStopTimer(VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension)->FunctionalDeviceObject);
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}
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