reactos/drivers/video/miniport/vmx_svga/vmx_svga.c

   1 /*
   2  * PROJECT:         ReactOS Boot Loader
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            drivers/video/miniport/vmx_svga/vmx_svga.c
   5  * PURPOSE:         VMWARE SVGA-II Card Main Driver File
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 /* INCLUDES *******************************************************************/
  10
  11 #include "precomp.h"
  12
  13 /* GLOBALS ********************************************************************/
  14
  15 PHW_DEVICE_EXTENSION VmxDeviceExtensionArray[SVGA_MAX_DISPLAYS];
  16
  17 /* FUNCTIONS ******************************************************************/
  18
  19 VP_STATUS
  20 NTAPI
  21 VmxFindAdapter(IN PVOID HwDeviceExtension,
  22                IN PVOID HwContext,
  23                IN PWSTR ArgumentString,
  24                IN OUT PVIDEO_PORT_CONFIG_INFO ConfigInfo,
  25                OUT PUCHAR Again)
  26 {
  27     return NO_ERROR;
  28 }
  29
  30 BOOLEAN
  31 NTAPI
  32 VmxInitialize(IN PVOID HwDeviceExtension)
  33 {
  34     return TRUE;
  35 }
  36
  37 BOOLEAN
  38 NTAPI
  39 VmxStartIO(IN PVOID HwDeviceExtension,
  40            IN PVIDEO_REQUEST_PACKET RequestPacket)
  41 {
  42     return TRUE;
  43 }
  44
  45 BOOLEAN
  46 NTAPI
  47 VmxResetHw(IN PVOID DeviceExtension,
  48            IN ULONG Columns,
  49            IN ULONG Rows)
  50 {
  51     return FALSE;
  52 }
  53
  54 VP_STATUS
  55 NTAPI
  56 VmxGetPowerState(IN PVOID HwDeviceExtension,
  57                  IN ULONG HwId,
  58                  IN PVIDEO_POWER_MANAGEMENT VideoPowerControl)
  59 {
  60     return NO_ERROR;
  61 }
  62
  63 VP_STATUS
  64 NTAPI
  65 VmxSetPowerState(IN PVOID HwDeviceExtension,
  66                  IN ULONG HwId,
  67                  IN PVIDEO_POWER_MANAGEMENT VideoPowerControl)
  68 {
  69
  70    return NO_ERROR;
  71 }
  72
  73 BOOLEAN
  74 NTAPI
  75 VmxInterrupt(IN PVOID HwDeviceExtension)
  76 {
  77     return TRUE;
  78 }
  79
  80 VP_STATUS
  81 NTAPI
  82 VmxGetVideoChildDescriptor(IN PVOID HwDeviceExtension,
  83                            IN PVIDEO_CHILD_ENUM_INFO ChildEnumInfo,
  84                            OUT PVIDEO_CHILD_TYPE VideoChildType,
  85                            OUT PUCHAR pChildDescriptor,
  86                            OUT PULONG UId,
  87                            OUT PULONG pUnused)
  88 {
  89     return NO_ERROR;
  90 }
  91
  92 VP_STATUS
  93 NTAPI
  94 DriverEntry(IN PVOID Context1,
  95             IN PVOID Context2)
  96 {
  97     VIDEO_HW_INITIALIZATION_DATA InitData;
  98
  99     /* Zero initialization structure and array of extensions, one per screen */
 100     VideoPortZeroMemory(VmxDeviceExtensionArray, sizeof(VmxDeviceExtensionArray));
 101     VideoPortZeroMemory(&InitData, sizeof(InitData));
 102
 103     /* Setup the initialization structure with VideoPort */
 104     InitData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
 105     InitData.HwFindAdapter = VmxFindAdapter;
 106     InitData.HwInitialize = VmxInitialize;
 107     InitData.HwInterrupt = VmxInterrupt;
 108     InitData.HwStartIO = VmxStartIO;
 109     InitData.HwResetHw = VmxResetHw;
 110     InitData.HwGetPowerState = VmxGetPowerState;
 111     InitData.HwSetPowerState = VmxSetPowerState;
 112     InitData.HwGetVideoChildDescriptor = VmxGetVideoChildDescriptor;
 113     InitData.AdapterInterfaceType = PCIBus;
 114     InitData.HwInitDataSize = sizeof(VIDEO_HW_INITIALIZATION_DATA);
 115     InitData.HwDeviceExtensionSize = sizeof(HW_DEVICE_EXTENSION);
 116     return VideoPortInitialize(Context1, Context2, &InitData, NULL);
 117 }