[hpoussin] 20487: Implement VideoPortGetAssociatedDeviceExtension and VideoPortCheckForDeviceExistence

Implement VideoPortGetAssociatedDeviceExtension and
VideoPortCheckForDeviceExistence
Modified: trunk/reactos/drivers/video/videoprt/agp.c
Modified: trunk/reactos/drivers/video/videoprt/videoprt.c
Modified: trunk/reactos/drivers/video/videoprt/videoprt.h
  _____  

Modified: trunk/reactos/drivers/video/videoprt/agp.c
--- trunk/reactos/drivers/video/videoprt/agp.c	2005-12-31 15:54:25 UTC
(rev 20486)
+++ trunk/reactos/drivers/video/videoprt/agp.c	2005-12-31 16:01:02 UTC
(rev 20487)
@@ -27,7 +27,7 @@

 
 /* PRIVATE FUNCTIONS
**********************************************************/
 
-STATIC NTSTATUS
+NTSTATUS
 IopInitiatePnpIrp(
   PDEVICE_OBJECT DeviceObject,
   PIO_STATUS_BLOCK IoStatusBlock,
  _____  

Modified: trunk/reactos/drivers/video/videoprt/videoprt.c
--- trunk/reactos/drivers/video/videoprt/videoprt.c	2005-12-31
15:54:25 UTC (rev 20486)
+++ trunk/reactos/drivers/video/videoprt/videoprt.c	2005-12-31
16:01:02 UTC (rev 20487)
@@ -22,6 +22,7 @@

  */
 
 #include "videoprt.h"
+#include <wdmguid.h>
 
 /* GLOBAL VARIABLES
***********************************************************/
 
@@ -738,11 +739,6 @@
 
    DeviceExtension =
VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
 
-   if (IsParameterFileName)
-   {
-      UNIMPLEMENTED;
-   }
-
    Context.HwDeviceExtension = HwDeviceExtension;
    Context.HwContext = HwContext;
    Context.HwGetRegistryRoutine = GetRegistryRoutine;
@@ -758,12 +754,21 @@
    QueryTable[1].QueryRoutine = NULL;
    QueryTable[1].Name = NULL;
 
-   return NT_SUCCESS(RtlQueryRegistryValues(
+   if (!NT_SUCCESS(RtlQueryRegistryValues(
       RTL_REGISTRY_ABSOLUTE,
       DeviceExtension->RegistryPath.Buffer,
       QueryTable,
       &Context,
-      NULL)) ? ERROR_SUCCESS : ERROR_INVALID_PARAMETER;
+      NULL)))
+      return ERROR_INVALID_PARAMETER;
+
+   if (IsParameterFileName)
+   {
+      /* FIXME: need to read the contents of the file */
+      UNIMPLEMENTED;
+   }
+
+   return ERROR_SUCCESS;
 }
 
 /*
@@ -1077,14 +1082,19 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 
 PVOID NTAPI
 VideoPortGetAssociatedDeviceExtension(IN PVOID DeviceObject)
 {
-   DPRINT1("VideoPortGetAssociatedDeviceExtension: Unimplemented.\n");
-   return NULL;
+   PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+
+   DPRINT("VideoPortGetAssociatedDeviceExtension\n");
+   DeviceExtension = ((PDEVICE_OBJECT)DeviceObject)->DeviceExtension;
+   if (!DeviceExtension)
+      return NULL;
+   return DeviceExtension->MiniPortDeviceExtension;
 }
 
 /*
@@ -1126,7 +1136,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 
 BOOLEAN NTAPI
@@ -1139,8 +1149,51 @@
    IN USHORT SubSystemId,
    IN ULONG Flags)
 {
-   DPRINT1("VideoPortCheckForDeviceExistence: Unimplemented.\n");
-   return TRUE;
+   PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+   PCI_DEVICE_PRESENT_INTERFACE PciDevicePresentInterface;
+   IO_STATUS_BLOCK IoStatusBlock;
+   IO_STACK_LOCATION IoStack;
+   ULONG PciFlags = 0;
+   NTSTATUS Status;
+   BOOL DevicePresent;
+
+   DPRINT("VideoPortCheckForDeviceExistence\n");
+
+   if (Flags & ~(CDE_USE_REVISION | CDE_USE_SUBSYSTEM_IDS))
+   {
+       DPRINT1("VideoPortCheckForDeviceExistence: Unknown flags
0x%lx\n", Flags & ~(CDE_USE_REVISION | CDE_USE_SUBSYSTEM_IDS));
+       return FALSE;
+   }
+
+   DeviceExtension =
VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
+
+   PciDevicePresentInterface.Size =
sizeof(PCI_DEVICE_PRESENT_INTERFACE);
+   PciDevicePresentInterface.Version = 1;
+   IoStack.Parameters.QueryInterface.Size =
PciDevicePresentInterface.Size;
+      IoStack.Parameters.QueryInterface.Version =
PciDevicePresentInterface.Version;
+      IoStack.Parameters.QueryInterface.Interface =
(PINTERFACE)&PciDevicePresentInterface;
+      IoStack.Parameters.QueryInterface.InterfaceType =
+      &GUID_PCI_DEVICE_PRESENT_INTERFACE;
+   Status = IopInitiatePnpIrp(DeviceExtension->NextDeviceObject,
+      &IoStatusBlock, IRP_MN_QUERY_INTERFACE, &IoStack);
+   if (!NT_SUCCESS(Status))
+   {
+      DPRINT("IopInitiatePnpIrp() failed! (Status 0x%lx)\n", Status);
+      return FALSE;
+   }
+
+   if (Flags & CDE_USE_REVISION)
+      PciFlags |= PCI_USE_REVISION;
+   if (Flags & CDE_USE_SUBSYSTEM_IDS)
+      PciFlags |= PCI_USE_SUBSYSTEM_IDS;
+
+   DevicePresent = PciDevicePresentInterface.IsDevicePresent(
+      VendorId, DeviceId, RevisionId,
+      SubVendorId, SubSystemId, PciFlags);
+
+
PciDevicePresentInterface.InterfaceDereference(PciDevicePresentInterface
.Context);
+
+   return DevicePresent;
 }
 
 /*
  _____  

Modified: trunk/reactos/drivers/video/videoprt/videoprt.h
--- trunk/reactos/drivers/video/videoprt/videoprt.h	2005-12-31
15:54:25 UTC (rev 20486)
+++ trunk/reactos/drivers/video/videoprt/videoprt.h	2005-12-31
16:01:02 UTC (rev 20487)
@@ -108,6 +108,13 @@

 
 /* agp.c */
 
+NTSTATUS
+IopInitiatePnpIrp(
+  PDEVICE_OBJECT DeviceObject,
+  PIO_STATUS_BLOCK IoStatusBlock,
+  ULONG MinorFunction,
+  PIO_STACK_LOCATION Stack OPTIONAL);
+
 NTSTATUS NTAPI
 IntAgpGetInterface(
    IN PVOID HwDeviceExtension,