*/
DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)((*DeviceObject)->DeviceExtension);
+ DeviceExtension->Common.Fdo = TRUE;
DeviceExtension->DeviceNumber = DeviceNumber;
DeviceExtension->DriverObject = DriverObject;
DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject;
DeviceExtension->FunctionalDeviceObject = *DeviceObject;
DeviceExtension->DriverExtension = DriverExtension;
+ InitializeListHead(&DeviceExtension->ChildDeviceList);
+
/*
* Get the registry path associated with this driver.
*/
PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
ULONG Status;
VIDEO_CHILD_ENUM_INFO ChildEnumInfo;
- VIDEO_CHILD_TYPE ChildType;
BOOLEAN bHaveLastMonitorID = FALSE;
UCHAR LastMonitorID[10];
- UCHAR ChildDescriptor[256];
- ULONG ChildId;
ULONG Unused;
UINT i;
+ PDEVICE_OBJECT ChildDeviceObject;
+ PVIDEO_PORT_CHILD_EXTENSION ChildExtension;
+ INFO_(VIDEOPRT, "Starting child device probe\n");
DeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
if (DeviceExtension->DriverExtension->InitializationData.HwGetVideoChildDescriptor == NULL)
{
return NO_ERROR;
}
- /* Setup the ChildEnumInfo */
- ChildEnumInfo.Size = sizeof (ChildEnumInfo);
- ChildEnumInfo.ChildDescriptorSize = sizeof (ChildDescriptor);
- ChildEnumInfo.ACPIHwId = 0;
- ChildEnumInfo.ChildHwDeviceExtension = NULL; /* FIXME: must be set to
- ChildHwDeviceExtension... */
+ if (!IsListEmpty(&DeviceExtension->ChildDeviceList))
+ {
+ ERR_(VIDEOPRT, "FIXME: Support calling VideoPortEnumerateChildren again!\n");
+ return NO_ERROR;
+ }
/* Enumerate the children */
for (i = 1; ; i++)
{
- ChildEnumInfo.ChildIndex = i;
- RtlZeroMemory(ChildDescriptor, sizeof(ChildDescriptor));
+ Status = IoCreateDevice(DeviceExtension->DriverObject,
+ sizeof(VIDEO_PORT_CHILD_EXTENSION) +
+ DeviceExtension->DriverExtension->InitializationData.HwChildDeviceExtensionSize,
+ NULL,
+ FILE_DEVICE_CONTROLLER,
+ FILE_DEVICE_SECURE_OPEN,
+ FALSE,
+ &ChildDeviceObject);
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ ChildExtension = ChildDeviceObject->DeviceExtension;
+
+ RtlZeroMemory(ChildExtension, sizeof(VIDEO_PORT_CHILD_EXTENSION) +
+ DeviceExtension->DriverExtension->InitializationData.HwChildDeviceExtensionSize);
+
+ ChildExtension->Common.Fdo = FALSE;
+ ChildExtension->ChildId = i;
+ ChildExtension->PhysicalDeviceObject = ChildDeviceObject;
+ ChildExtension->DriverObject = DeviceExtension->DriverObject;
+
+ /* Setup the ChildEnumInfo */
+ ChildEnumInfo.Size = sizeof(ChildEnumInfo);
+ ChildEnumInfo.ChildDescriptorSize = sizeof(ChildExtension->ChildDescriptor);
+ ChildEnumInfo.ACPIHwId = 0;
+
+ if (DeviceExtension->DriverExtension->InitializationData.HwChildDeviceExtensionSize)
+ ChildEnumInfo.ChildHwDeviceExtension = VIDEO_PORT_GET_CHILD_EXTENSION(ChildExtension);
+ else
+ ChildEnumInfo.ChildHwDeviceExtension = NULL;
+
+ ChildEnumInfo.ChildIndex = ChildExtension->ChildId;
+
+ INFO_(VIDEOPRT, "Probing child: %d\n", ChildEnumInfo.ChildIndex);
Status = DeviceExtension->DriverExtension->InitializationData.HwGetVideoChildDescriptor(
HwDeviceExtension,
&ChildEnumInfo,
- &ChildType,
- ChildDescriptor,
- &ChildId,
+ &ChildExtension->ChildType,
+ ChildExtension->ChildDescriptor,
+ &ChildExtension->ChildId,
&Unused);
if (Status == VIDEO_ENUM_MORE_DEVICES)
{
- if (ChildType == Monitor)
+ if (ChildExtension->ChildType == Monitor)
{
// Check if the EDID is valid
- if (ChildDescriptor[0] == 0x00 &&
- ChildDescriptor[1] == 0xFF &&
- ChildDescriptor[2] == 0xFF &&
- ChildDescriptor[3] == 0xFF &&
- ChildDescriptor[4] == 0xFF &&
- ChildDescriptor[5] == 0xFF &&
- ChildDescriptor[6] == 0xFF &&
- ChildDescriptor[7] == 0x00)
+ if (ChildExtension->ChildDescriptor[0] == 0x00 &&
+ ChildExtension->ChildDescriptor[1] == 0xFF &&
+ ChildExtension->ChildDescriptor[2] == 0xFF &&
+ ChildExtension->ChildDescriptor[3] == 0xFF &&
+ ChildExtension->ChildDescriptor[4] == 0xFF &&
+ ChildExtension->ChildDescriptor[5] == 0xFF &&
+ ChildExtension->ChildDescriptor[6] == 0xFF &&
+ ChildExtension->ChildDescriptor[7] == 0x00)
{
if (bHaveLastMonitorID)
{
// Compare the previous monitor ID with the current one, break the loop if they are identical
- if (RtlCompareMemory(LastMonitorID, &ChildDescriptor[8], sizeof(LastMonitorID)) == sizeof(LastMonitorID))
+ if (RtlCompareMemory(LastMonitorID, &ChildExtension->ChildDescriptor[8], sizeof(LastMonitorID)) == sizeof(LastMonitorID))
{
INFO_(VIDEOPRT, "Found identical Monitor ID two times, stopping enumeration\n");
+ IoDeleteDevice(ChildDeviceObject);
break;
}
}
// Copy 10 bytes from the EDID, which can be used to uniquely identify the monitor
- RtlCopyMemory(LastMonitorID, &ChildDescriptor[8], sizeof(LastMonitorID));
+ RtlCopyMemory(LastMonitorID, &ChildExtension->ChildDescriptor[8], sizeof(LastMonitorID));
bHaveLastMonitorID = TRUE;
+
+ /* Mark it valid */
+ ChildExtension->EdidValid = TRUE;
+ }
+ else
+ {
+ /* Mark it invalid */
+ ChildExtension->EdidValid = FALSE;
}
}
}
else if (Status == VIDEO_ENUM_INVALID_DEVICE)
{
WARN_(VIDEOPRT, "Child device %d is invalid!\n", ChildEnumInfo.ChildIndex);
+ IoDeleteDevice(ChildDeviceObject);
continue;
}
else if (Status == VIDEO_ENUM_NO_MORE_DEVICES)
{
INFO_(VIDEOPRT, "End of child enumeration! (%d children enumerated)\n", i - 1);
+ IoDeleteDevice(ChildDeviceObject);
break;
}
else
{
WARN_(VIDEOPRT, "HwGetVideoChildDescriptor returned unknown status code 0x%x!\n", Status);
+ IoDeleteDevice(ChildDeviceObject);
break;
}
-#ifndef NDEBUG
- if (ChildType == Monitor)
+ if (ChildExtension->ChildType == Monitor)
{
UINT j;
- PUCHAR p = ChildDescriptor;
- INFO_(VIDEOPRT, "Monitor device enumerated! (ChildId = 0x%x)\n", ChildId);
- for (j = 0; j < sizeof (ChildDescriptor); j += 8)
+ PUCHAR p = ChildExtension->ChildDescriptor;
+ INFO_(VIDEOPRT, "Monitor device enumerated! (ChildId = 0x%x)\n", ChildExtension->ChildId);
+ for (j = 0; j < sizeof (ChildExtension->ChildDescriptor); j += 8)
{
INFO_(VIDEOPRT, "%02x %02x %02x %02x %02x %02x %02x %02x\n",
p[j+0], p[j+1], p[j+2], p[j+3],
p[j+4], p[j+5], p[j+6], p[j+7]);
}
}
- else if (ChildType == Other)
+ else if (ChildExtension->ChildType == Other)
{
- INFO_(VIDEOPRT, "\"Other\" device enumerated: DeviceId = %S\n", (PWSTR)ChildDescriptor);
+ INFO_(VIDEOPRT, "\"Other\" device enumerated: DeviceId = %S\n", (PWSTR)ChildExtension->ChildDescriptor);
}
else
{
- WARN_(VIDEOPRT, "HwGetVideoChildDescriptor returned unsupported type: %d\n", ChildType);
+ ERR_(VIDEOPRT, "HwGetVideoChildDescriptor returned unsupported type: %d\n", ChildExtension->ChildType);
}
-#endif /* NDEBUG */
+ /* Clear the init flag */
+ ChildDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
+
+ InsertTailList(&DeviceExtension->ChildDeviceList,
+ &ChildExtension->ListEntry);
}
+ /* Trigger reenumeration by the PnP manager */
+ IoInvalidateDeviceRelations(DeviceExtension->PhysicalDeviceObject, BusRelations);
+
return NO_ERROR;
}
projects / reactos.git / blobdiff