drivers/bus/acpi/interface.c

   1 #include <ntddk.h>
   2
   3 #include <acpi.h>
   4
   5 #include <acpisys.h>
   6 #include <acpi_bus.h>
   7 #include <acpi_drivers.h>
   8
   9 #include <wdmguid.h>
  10 #define NDEBUG
  11 #include <debug.h>
  12
  13 VOID
  14 NTAPI
  15 AcpiInterfaceReference(PVOID Context)
  16 {
  17   UNIMPLEMENTED
  18 }
  19
  20 VOID
  21 NTAPI
  22 AcpiInterfaceDereference(PVOID Context)
  23 {
  24   UNIMPLEMENTED
  25 }
  26
  27 NTSTATUS
  28 NTAPI
  29 AcpiInterfaceConnectVector(PDEVICE_OBJECT Context,
  30                            ULONG GpeNumber,
  31                            KINTERRUPT_MODE Mode,
  32                            BOOLEAN Shareable,
  33                            PGPE_SERVICE_ROUTINE ServiceRoutine,
  34                            PVOID ServiceContext,
  35                            PVOID ObjectContext)
  36 {
  37   UNIMPLEMENTED
  38
  39   return STATUS_NOT_IMPLEMENTED;
  40 }
  41
  42 NTSTATUS
  43 NTAPI
  44 AcpiInterfaceDisconnectVector(PVOID ObjectContext)
  45 {
  46   UNIMPLEMENTED
  47
  48   return STATUS_NOT_IMPLEMENTED;
  49 }
  50
  51 NTSTATUS
  52 NTAPI
  53 AcpiInterfaceEnableEvent(PDEVICE_OBJECT Context,
  54                          PVOID ObjectContext)
  55 {
  56   UNIMPLEMENTED
  57
  58   return STATUS_NOT_IMPLEMENTED;
  59 }
  60
  61 NTSTATUS
  62 NTAPI
  63 AcpiInterfaceDisableEvent(PDEVICE_OBJECT Context,
  64                           PVOID ObjectContext)
  65 {
  66   UNIMPLEMENTED
  67
  68   return STATUS_NOT_IMPLEMENTED;
  69 }
  70
  71 NTSTATUS
  72 NTAPI
  73 AcpiInterfaceClearStatus(PDEVICE_OBJECT Context,
  74                          PVOID ObjectContext)
  75 {
  76   UNIMPLEMENTED
  77
  78   return STATUS_NOT_IMPLEMENTED;
  79 }
  80
  81 NTSTATUS
  82 NTAPI
  83 AcpiInterfaceNotificationsRegister(PDEVICE_OBJECT Context,
  84                                    PDEVICE_NOTIFY_CALLBACK NotificationHandler,
  85                                    PVOID NotificationContext)
  86 {
  87   UNIMPLEMENTED
  88
  89   return STATUS_NOT_IMPLEMENTED;
  90 }
  91
  92 VOID
  93 NTAPI
  94 AcpiInterfaceNotificationsUnregister(PDEVICE_OBJECT Context,
  95                                      PDEVICE_NOTIFY_CALLBACK NotificationHandler)
  96 {
  97   UNIMPLEMENTED
  98 }
  99
 100 NTSTATUS
 101 Bus_PDO_QueryInterface(PPDO_DEVICE_DATA DeviceData,
 102                        PIRP Irp)
 103 {
 104   PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
 105   PACPI_INTERFACE_STANDARD AcpiInterface;
 106
 107   if (IrpSp->Parameters.QueryInterface.Version != 1)
 108   {
 109       DPRINT1("Invalid version number: %d\n",
 110               IrpSp->Parameters.QueryInterface.Version);
 111       return STATUS_INVALID_PARAMETER;
 112   }
 113
 114   if (RtlCompareMemory(IrpSp->Parameters.QueryInterface.InterfaceType,
 115                         &GUID_ACPI_INTERFACE_STANDARD, sizeof(GUID)) == sizeof(GUID))
 116   {
 117       DPRINT("GUID_ACPI_INTERFACE_STANDARD\n");
 118
 119       if (IrpSp->Parameters.QueryInterface.Size < sizeof(ACPI_INTERFACE_STANDARD))
 120       {
 121           DPRINT1("Buffer too small! (%d)\n", IrpSp->Parameters.QueryInterface.Size);
 122           return STATUS_BUFFER_TOO_SMALL;
 123       }
 124
 125      AcpiInterface = (PACPI_INTERFACE_STANDARD)IrpSp->Parameters.QueryInterface.Interface;
 126
 127      AcpiInterface->InterfaceReference = AcpiInterfaceReference;
 128      AcpiInterface->InterfaceDereference = AcpiInterfaceDereference;
 129      AcpiInterface->GpeConnectVector = AcpiInterfaceConnectVector;
 130      AcpiInterface->GpeDisconnectVector = AcpiInterfaceDisconnectVector;
 131      AcpiInterface->GpeEnableEvent = AcpiInterfaceEnableEvent;
 132      AcpiInterface->GpeDisableEvent = AcpiInterfaceDisableEvent;
 133      AcpiInterface->GpeClearStatus = AcpiInterfaceClearStatus;
 134      AcpiInterface->RegisterForDeviceNotifications = AcpiInterfaceNotificationsRegister;
 135      AcpiInterface->UnregisterForDeviceNotifications = AcpiInterfaceNotificationsUnregister;
 136
 137      return STATUS_SUCCESS;
 138   }
 139   else
 140   {
 141       DPRINT1("Invalid GUID\n");
 142       return STATUS_NOT_SUPPORTED;
 143   }
 144 }