reactos/drivers/video/videoprt/interrupt.c

   1 /*
   2  * VideoPort driver
   3  *
   4  * Copyright (C) 2002, 2003, 2004 ReactOS Team
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; see the file COPYING.LIB.
  18  * If not, write to the Free Software Foundation,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  *
  21  * $Id: interrupt.c,v 1.1 2004/03/04 18:51:58 navaraf Exp $
  22  */
  23
  24 #include "videoprt.h"
  25
  26 /*
  27  * @implemented
  28  */
  29
  30 VP_STATUS STDCALL
  31 VideoPortEnableInterrupt(IN PVOID HwDeviceExtension)
  32 {
  33    PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
  34    BOOLEAN Status;
  35
  36    DPRINT("VideoPortEnableInterrupt\n");
  37
  38    DeviceExtension = CONTAINING_RECORD(
  39       HwDeviceExtension,
  40       VIDEO_PORT_DEVICE_EXTENSION,
  41       MiniPortDeviceExtension);
  42
  43    Status = HalEnableSystemInterrupt(
  44       DeviceExtension->InterruptVector,
  45       0,
  46       DeviceExtension->InterruptLevel);
  47
  48    return Status ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
  49 }
  50
  51 /*
  52  * @implemented
  53  */
  54
  55 VP_STATUS STDCALL
  56 VideoPortDisableInterrupt(IN PVOID HwDeviceExtension)
  57 {
  58    PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
  59    BOOLEAN Status;
  60
  61    DPRINT("VideoPortDisableInterrupt\n");
  62
  63    DeviceExtension = CONTAINING_RECORD(
  64       HwDeviceExtension,
  65       VIDEO_PORT_DEVICE_EXTENSION,
  66       MiniPortDeviceExtension);
  67
  68    Status = HalDisableSystemInterrupt(
  69       DeviceExtension->InterruptVector,
  70       0);
  71
  72    return Status ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
  73 }