2010-03-13 21:06:22 +00:00
|
|
|
/*
|
|
|
|
* PROJECT: ReactOS ACPI-Compliant Control Method Battery
|
|
|
|
* LICENSE: BSD - See COPYING.ARM in the top level directory
|
|
|
|
* FILE: boot/drivers/bus/acpi/cmbatt/cmbpnp.c
|
|
|
|
* PURPOSE: Plug-and-Play IOCTL/IRP Handling
|
|
|
|
* PROGRAMMERS: ReactOS Portable Systems Group
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
|
|
|
|
#include "cmbatt.h"
|
|
|
|
|
|
|
|
/* FUNCTIONS ******************************************************************/
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:47:40 +00:00
|
|
|
CmBattIoCompletion(IN PDEVICE_OBJECT DeviceObject,
|
|
|
|
IN PIRP Irp,
|
|
|
|
IN PKEVENT Event)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:47:40 +00:00
|
|
|
if (CmBattDebug & 2) DbgPrint("CmBattIoCompletion: Event (%x)\n", Event);
|
|
|
|
|
|
|
|
/* Set the completion event */
|
|
|
|
KeSetEvent(Event, IO_NO_INCREMENT, FALSE);
|
|
|
|
return STATUS_MORE_PROCESSING_REQUIRED;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:47:40 +00:00
|
|
|
CmBattGetAcpiInterfaces(IN PDEVICE_OBJECT DeviceObject,
|
|
|
|
IN OUT PACPI_INTERFACE_STANDARD AcpiInterface)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:47:40 +00:00
|
|
|
PIRP Irp;
|
|
|
|
NTSTATUS Status;
|
|
|
|
PIO_STACK_LOCATION IoStackLocation;
|
|
|
|
KEVENT Event;
|
|
|
|
|
|
|
|
/* Allocate the IRP */
|
|
|
|
Irp = IoAllocateIrp(DeviceObject->StackSize, 0);
|
|
|
|
if (!Irp)
|
|
|
|
{
|
|
|
|
/* Fail */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattGetAcpiInterfaces: Failed to allocate Irp\n");
|
|
|
|
return STATUS_INSUFFICIENT_RESOURCES;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set default error code */
|
|
|
|
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
|
|
|
|
|
|
|
|
/* Build the query */
|
|
|
|
IoStackLocation = IoGetNextIrpStackLocation(Irp);
|
|
|
|
IoStackLocation->MinorFunction = IRP_MN_QUERY_INTERFACE;
|
|
|
|
IoStackLocation->Parameters.QueryInterface.InterfaceType = &GUID_ACPI_INTERFACE_STANDARD;
|
|
|
|
IoStackLocation->Parameters.QueryInterface.Size = sizeof(ACPI_INTERFACE_STANDARD);
|
|
|
|
IoStackLocation->Parameters.QueryInterface.Version = 1;
|
|
|
|
IoStackLocation->Parameters.QueryInterface.Interface = (PINTERFACE)AcpiInterface;
|
|
|
|
IoStackLocation->Parameters.QueryInterface.InterfaceSpecificData = NULL;
|
|
|
|
|
|
|
|
/* Set default ACPI interface data */
|
|
|
|
AcpiInterface->Size = sizeof(ACPI_INTERFACE_STANDARD);
|
|
|
|
AcpiInterface->Version = 1;
|
|
|
|
|
|
|
|
/* Initialize our wait event */
|
|
|
|
KeInitializeEvent(&Event, SynchronizationEvent, 0);
|
|
|
|
|
|
|
|
/* Set the completion routine */
|
|
|
|
IoCopyCurrentIrpStackLocationToNext(Irp);
|
|
|
|
IoSetCompletionRoutine(Irp,
|
|
|
|
(PVOID)CmBattIoCompletion,
|
|
|
|
&Event,
|
|
|
|
TRUE,
|
|
|
|
TRUE,
|
|
|
|
TRUE);
|
|
|
|
|
|
|
|
/* Now call ACPI */
|
|
|
|
Status = IoCallDriver(DeviceObject, Irp);
|
|
|
|
if (Status == STATUS_PENDING)
|
|
|
|
{
|
|
|
|
/* Wait for completion */
|
|
|
|
KeWaitForSingleObject(&Event,
|
|
|
|
Executive,
|
|
|
|
KernelMode,
|
|
|
|
FALSE,
|
|
|
|
NULL);
|
|
|
|
Status = Irp->IoStatus.Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Free the IRP */
|
|
|
|
IoFreeIrp(Irp);
|
|
|
|
|
|
|
|
/* Return status */
|
|
|
|
if (!(NT_SUCCESS(Status)) && (CmBattDebug & 0xC))
|
|
|
|
DbgPrint("CmBattGetAcpiInterfaces: Could not get ACPI driver interfaces, status = %x\n", Status);
|
|
|
|
return Status;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
VOID
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattDestroyFdo(IN PDEVICE_OBJECT DeviceObject)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:14:50 +00:00
|
|
|
PAGED_CODE();
|
|
|
|
if (CmBattDebug & 0x220) DbgPrint("CmBattDestroyFdo, Battery.\n");
|
|
|
|
|
|
|
|
/* Delete the device */
|
|
|
|
IoDeleteDevice(DeviceObject);
|
|
|
|
if (CmBattDebug & 0x220) DbgPrint("CmBattDestroyFdo: done.\n");
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattRemoveDevice(IN PDEVICE_OBJECT DeviceObject,
|
|
|
|
IN PIRP Irp)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:14:50 +00:00
|
|
|
PCMBATT_DEVICE_EXTENSION DeviceExtension;
|
|
|
|
PVOID Context;
|
|
|
|
DeviceExtension = DeviceObject->DeviceExtension;
|
|
|
|
if (CmBattDebug & 2)
|
|
|
|
DbgPrint("CmBattRemoveDevice: CmBatt (%x), Type %d, _UID %d\n",
|
|
|
|
DeviceExtension,
|
|
|
|
DeviceExtension->FdoType,
|
|
|
|
DeviceExtension->DeviceId);
|
|
|
|
|
|
|
|
/* Make sure it's safe to go ahead */
|
|
|
|
IoReleaseRemoveLockAndWait(&DeviceExtension->RemoveLock, 0);
|
|
|
|
|
|
|
|
/* Check for pending power IRP */
|
|
|
|
if (DeviceExtension->PowerIrp)
|
|
|
|
{
|
|
|
|
/* Cancel and clear */
|
|
|
|
IoCancelIrp(DeviceExtension->PowerIrp);
|
|
|
|
DeviceExtension->PowerIrp = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check what type of FDO is being removed */
|
|
|
|
Context = DeviceExtension->AcpiInterface.Context;
|
|
|
|
if (DeviceExtension->FdoType == CmBattBattery)
|
|
|
|
{
|
|
|
|
/* Unregister battery FDO */
|
|
|
|
DeviceExtension->AcpiInterface.UnregisterForDeviceNotifications(Context,
|
|
|
|
(PVOID)CmBattNotifyHandler);
|
|
|
|
CmBattWmiDeRegistration(DeviceExtension);
|
|
|
|
if (!NT_SUCCESS(BatteryClassUnload(DeviceExtension->ClassData))) ASSERT(FALSE);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Unregister AC adapter FDO */
|
|
|
|
DeviceExtension->AcpiInterface.UnregisterForDeviceNotifications(Context,
|
|
|
|
(PVOID)CmBattNotifyHandler);
|
|
|
|
CmBattWmiDeRegistration(DeviceExtension);
|
|
|
|
AcAdapterPdo = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Detach and delete */
|
|
|
|
IoDetachDevice(DeviceExtension->AttachedDevice);
|
|
|
|
IoDeleteDevice(DeviceExtension->DeviceObject);
|
|
|
|
return STATUS_SUCCESS;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
|
|
|
CmBattPowerDispatch(PDEVICE_OBJECT DeviceObject,
|
|
|
|
PIRP Irp)
|
|
|
|
{
|
|
|
|
UNIMPLEMENTED;
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattPnpDispatch(PDEVICE_OBJECT DeviceObject,
|
|
|
|
PIRP Irp)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
|
|
|
UNIMPLEMENTED;
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattCreateFdo(IN PDRIVER_OBJECT DriverObject,
|
|
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
|
|
IN ULONG DeviceExtensionSize,
|
|
|
|
IN PDEVICE_OBJECT *NewDeviceObject)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:14:50 +00:00
|
|
|
PDEVICE_OBJECT FdoDeviceObject;
|
|
|
|
HANDLE KeyHandle;
|
|
|
|
PCMBATT_DEVICE_EXTENSION FdoExtension;
|
|
|
|
UCHAR Buffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + sizeof(ULONG)];
|
|
|
|
PKEY_VALUE_PARTIAL_INFORMATION PartialInfo = (PVOID)Buffer;
|
|
|
|
NTSTATUS Status;
|
|
|
|
UNICODE_STRING KeyString;
|
|
|
|
ULONG UniqueId;
|
|
|
|
ULONG ResultLength;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (CmBattDebug & 0x220) DbgPrint("CmBattCreateFdo: Entered\n");
|
|
|
|
|
|
|
|
/* Get unique ID */
|
|
|
|
Status = CmBattGetUniqueId(DeviceObject, &UniqueId);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* Assume 0 */
|
|
|
|
UniqueId = 0;
|
|
|
|
if (CmBattDebug & 2)
|
|
|
|
DbgPrint("CmBattCreateFdo: Error %x from _UID, assuming unit #0\n", Status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create the FDO */
|
|
|
|
Status = IoCreateDevice(DriverObject,
|
|
|
|
DeviceExtensionSize,
|
|
|
|
0,
|
|
|
|
FILE_DEVICE_BATTERY,
|
|
|
|
FILE_DEVICE_SECURE_OPEN,
|
|
|
|
0,
|
|
|
|
&FdoDeviceObject);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* Fail */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattCreateFdo: error (0x%x) creating device object\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set FDO flags */
|
|
|
|
FdoDeviceObject->Flags |= DO_BUFFERED_IO;
|
|
|
|
FdoDeviceObject->Flags |= DO_MAP_IO_BUFFER;
|
|
|
|
FdoDeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
|
|
|
|
|
|
/* Initialize the extension */
|
|
|
|
FdoExtension = FdoDeviceObject->DeviceExtension;
|
|
|
|
RtlZeroMemory(FdoExtension, DeviceExtensionSize);
|
|
|
|
FdoExtension->DeviceObject = FdoDeviceObject;
|
|
|
|
FdoExtension->FdoDeviceObject = FdoDeviceObject;
|
|
|
|
FdoExtension->PdoDeviceObject = DeviceObject;
|
|
|
|
|
|
|
|
/* Attach to ACPI */
|
|
|
|
FdoExtension->AttachedDevice = IoAttachDeviceToDeviceStack(FdoDeviceObject,
|
|
|
|
DeviceObject);
|
|
|
|
if (!FdoExtension->AttachedDevice)
|
|
|
|
{
|
|
|
|
/* Destroy and fail */
|
|
|
|
CmBattDestroyFdo(FdoExtension->FdoDeviceObject);
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattCreateFdo: IoAttachDeviceToDeviceStack failed.\n");
|
|
|
|
return STATUS_UNSUCCESSFUL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Get ACPI interface for EVAL */
|
|
|
|
Status = CmBattGetAcpiInterfaces(FdoExtension->AttachedDevice,
|
|
|
|
&FdoExtension->AcpiInterface);
|
|
|
|
if (!FdoExtension->AttachedDevice)
|
|
|
|
{
|
|
|
|
/* Detach, destroy, and fail */
|
|
|
|
IoDetachDevice(FdoExtension->AttachedDevice);
|
|
|
|
CmBattDestroyFdo(FdoExtension->FdoDeviceObject);
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattCreateFdo: Could not get ACPI interfaces: %x\n", Status);
|
|
|
|
return STATUS_UNSUCCESSFUL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Setup the rest of the extension */
|
|
|
|
ExInitializeFastMutex(&FdoExtension->FastMutex);
|
|
|
|
IoInitializeRemoveLock(&FdoExtension->RemoveLock, 0, 0, 0);
|
|
|
|
FdoExtension->HandleCount = 0;
|
|
|
|
FdoExtension->WaitWakeEnable = FALSE;
|
|
|
|
FdoExtension->DeviceId = UniqueId;
|
|
|
|
FdoExtension->DeviceName = NULL;
|
|
|
|
FdoExtension->DelayNotification = FALSE;
|
|
|
|
FdoExtension->ArFlag = 0;
|
|
|
|
|
|
|
|
/* Open the device key */
|
|
|
|
Status = IoOpenDeviceRegistryKey(DeviceObject,
|
|
|
|
PLUGPLAY_REGKEY_DEVICE,
|
|
|
|
KEY_READ,
|
|
|
|
&KeyHandle);
|
|
|
|
if (NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* Read wait wake value */
|
|
|
|
RtlInitUnicodeString(&KeyString, L"WaitWakeEnabled");
|
|
|
|
Status = ZwQueryValueKey(KeyHandle,
|
|
|
|
&KeyString,
|
|
|
|
KeyValuePartialInformation,
|
|
|
|
PartialInfo,
|
|
|
|
sizeof(Buffer),
|
|
|
|
&ResultLength);
|
|
|
|
if (NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* Set value */
|
|
|
|
FdoExtension->WaitWakeEnable = *(PULONG)PartialInfo->Data;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Close the handle */
|
|
|
|
ZwClose(KeyHandle);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return success and the new FDO */
|
|
|
|
*NewDeviceObject = FdoDeviceObject;
|
|
|
|
if (CmBattDebug & 0x220)
|
|
|
|
DbgPrint("CmBattCreateFdo: Created FDO %x\n", FdoDeviceObject);
|
|
|
|
return STATUS_SUCCESS;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattAddBattery(IN PDRIVER_OBJECT DriverObject,
|
|
|
|
IN PDEVICE_OBJECT DeviceObject)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:14:50 +00:00
|
|
|
BATTERY_MINIPORT_INFO MiniportInfo;
|
|
|
|
NTSTATUS Status;
|
|
|
|
PDEVICE_OBJECT FdoDeviceObject;
|
|
|
|
PCMBATT_DEVICE_EXTENSION FdoExtension;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (CmBattDebug & 0x220)
|
|
|
|
DbgPrint("CmBattAddBattery: pdo %x\n", DeviceObject);
|
|
|
|
|
2010-03-22 02:11:16 +00:00
|
|
|
/* Create the FDO */
|
2010-03-22 01:14:50 +00:00
|
|
|
Status = CmBattCreateFdo(DriverObject,
|
|
|
|
DeviceObject,
|
|
|
|
sizeof(CMBATT_DEVICE_EXTENSION),
|
|
|
|
&FdoDeviceObject);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddBattery: error (0x%x) creating Fdo\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Build the FDO extensio, check if we support trip points */
|
|
|
|
FdoExtension = FdoDeviceObject->DeviceExtension;
|
|
|
|
FdoExtension->FdoType = CmBattBattery;
|
|
|
|
FdoExtension->Started = 0;
|
|
|
|
FdoExtension->NotifySent = TRUE;
|
|
|
|
InterlockedExchange(&FdoExtension->ArLockValue, 0);
|
|
|
|
FdoExtension->TripPointValue = BATTERY_UNKNOWN_CAPACITY;
|
|
|
|
FdoExtension->Tag = 0;
|
|
|
|
FdoExtension->InterruptTime = KeQueryInterruptTime();
|
|
|
|
FdoExtension->TripPointSet = CmBattSetTripPpoint(FdoExtension, 0) !=
|
|
|
|
STATUS_OBJECT_NAME_NOT_FOUND;
|
|
|
|
|
|
|
|
/* Setup the battery miniport information structure */
|
|
|
|
RtlZeroMemory(&MiniportInfo, sizeof(MiniportInfo));
|
|
|
|
MiniportInfo.Pdo = DeviceObject;
|
|
|
|
MiniportInfo.MajorVersion = BATTERY_CLASS_MAJOR_VERSION;
|
|
|
|
MiniportInfo.MinorVersion = BATTERY_CLASS_MINOR_VERSION;
|
|
|
|
MiniportInfo.Context = FdoExtension;
|
|
|
|
MiniportInfo.QueryTag = (PVOID)CmBattQueryTag;
|
|
|
|
MiniportInfo.QueryInformation = (PVOID)CmBattQueryInformation;
|
|
|
|
MiniportInfo.SetInformation = NULL;
|
|
|
|
MiniportInfo.QueryStatus = (PVOID)CmBattQueryStatus;
|
|
|
|
MiniportInfo.SetStatusNotify = (PVOID)CmBattSetStatusNotify;
|
|
|
|
MiniportInfo.DisableStatusNotify = (PVOID)CmBattDisableStatusNotify;
|
|
|
|
MiniportInfo.DeviceName = FdoExtension->DeviceName;
|
|
|
|
|
|
|
|
/* Register with the class driver */
|
|
|
|
Status = BatteryClassInitializeDevice(&MiniportInfo, &FdoExtension->ClassData);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
IoDetachDevice(FdoExtension->AttachedDevice);
|
|
|
|
CmBattDestroyFdo(FdoExtension->FdoDeviceObject);
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddBattery: error (0x%x) registering with class\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register WMI */
|
|
|
|
Status = CmBattWmiRegistration(FdoExtension);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddBattery: Could not register as a WMI provider, status = %Lx\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register ACPI */
|
|
|
|
Status = FdoExtension->AcpiInterface.RegisterForDeviceNotifications(FdoExtension->AcpiInterface.Context,
|
|
|
|
(PVOID)CmBattNotifyHandler,
|
|
|
|
FdoExtension);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
CmBattWmiDeRegistration(FdoExtension);
|
|
|
|
BatteryClassUnload(FdoExtension->ClassData);
|
|
|
|
IoDetachDevice(FdoExtension->AttachedDevice);
|
|
|
|
CmBattDestroyFdo(FdoExtension->FdoDeviceObject);
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddBattery: Could not register for battery notify, status = %Lx\n", Status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return status */
|
|
|
|
return Status;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattAddAcAdapter(IN PDRIVER_OBJECT DriverObject,
|
|
|
|
IN PDEVICE_OBJECT PdoDeviceObject)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:14:50 +00:00
|
|
|
PDEVICE_OBJECT FdoDeviceObject;
|
|
|
|
NTSTATUS Status;
|
|
|
|
PCMBATT_DEVICE_EXTENSION DeviceExtension;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (CmBattDebug & 0x220)
|
|
|
|
DbgPrint("CmBattAddAcAdapter: pdo %x\n", PdoDeviceObject);
|
|
|
|
|
|
|
|
/* Check if we already have an AC adapter */
|
|
|
|
if (AcAdapterPdo)
|
|
|
|
{
|
|
|
|
/* Don't do anything */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBatt: Second AC adapter found. Current version of driver only supports 1 aadapter.\n");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Set this as the AC adapter's PDO */
|
|
|
|
AcAdapterPdo = PdoDeviceObject;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Create the FDO for the adapter */
|
|
|
|
Status = CmBattCreateFdo(DriverObject,
|
|
|
|
PdoDeviceObject,
|
|
|
|
sizeof(CMBATT_DEVICE_EXTENSION),
|
|
|
|
&FdoDeviceObject);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* Fail */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddAcAdapter: error (0x%x) creating Fdo\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the type and do WMI registration */
|
|
|
|
DeviceExtension = FdoDeviceObject->DeviceExtension;
|
|
|
|
DeviceExtension->FdoType = CmBattAcAdapter;
|
|
|
|
Status = CmBattWmiRegistration(DeviceExtension);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* We can go on without WMI */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddBattery: Could not register as a WMI provider, status = %Lx\n", Status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register with ACPI */
|
|
|
|
Status = DeviceExtension->AcpiInterface.RegisterForDeviceNotifications(DeviceExtension->AcpiInterface.Context,
|
|
|
|
(PVOID)CmBattNotifyHandler,
|
|
|
|
DeviceExtension);
|
|
|
|
if (!(NT_SUCCESS(Status)) && (CmBattDebug & 0xC))
|
|
|
|
DbgPrint("CmBattAddAcAdapter: Could not register for power notify, status = %Lx\n", Status);
|
|
|
|
|
|
|
|
/* Send the first manual notification */
|
|
|
|
CmBattNotifyHandler(DeviceExtension, ACPI_BATT_NOTIFY_STATUS);
|
|
|
|
return STATUS_SUCCESS;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
2010-03-19 18:17:32 +00:00
|
|
|
NTSTATUS
|
|
|
|
NTAPI
|
2010-03-22 01:14:50 +00:00
|
|
|
CmBattAddDevice(IN PDRIVER_OBJECT DriverObject,
|
|
|
|
IN PDEVICE_OBJECT PdoDeviceObject)
|
2010-03-13 21:06:22 +00:00
|
|
|
{
|
2010-03-22 01:14:50 +00:00
|
|
|
NTSTATUS Status;
|
|
|
|
HANDLE KeyHandle;
|
|
|
|
ULONG ResultLength;
|
|
|
|
UNICODE_STRING KeyString;
|
|
|
|
UCHAR Buffer[sizeof(KEY_VALUE_PARTIAL_INFORMATION) + sizeof(ULONG)];
|
|
|
|
PKEY_VALUE_PARTIAL_INFORMATION PartialInfo = (PVOID)Buffer;
|
|
|
|
ULONG PowerSourceType;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (CmBattDebug & 0x220)
|
|
|
|
DbgPrint("CmBattAddDevice: Entered with pdo %x\n", PdoDeviceObject);
|
|
|
|
|
|
|
|
/* Make sure we have a PDO */
|
|
|
|
if (!PdoDeviceObject)
|
|
|
|
{
|
|
|
|
/* Should not be having as one */
|
|
|
|
if (CmBattDebug & 0x24) DbgPrint("CmBattAddDevice: Asked to do detection\n");
|
|
|
|
return STATUS_NO_MORE_ENTRIES;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Open the driver key */
|
|
|
|
Status = IoOpenDeviceRegistryKey(PdoDeviceObject,
|
|
|
|
PLUGPLAY_REGKEY_DRIVER,
|
|
|
|
KEY_READ,
|
|
|
|
&KeyHandle);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddDevice: Could not get the software branch: %x\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read the power source type */
|
|
|
|
RtlInitUnicodeString(&KeyString, L"PowerSourceType");
|
|
|
|
Status = ZwQueryValueKey(KeyHandle,
|
|
|
|
&KeyString,
|
|
|
|
KeyValuePartialInformation,
|
|
|
|
PartialInfo,
|
|
|
|
sizeof(Buffer),
|
|
|
|
&ResultLength);
|
|
|
|
ZwClose(KeyHandle);
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
|
|
{
|
|
|
|
/* We need the data, fail without it */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddDevice: Could not read the power type identifier: %x\n", Status);
|
|
|
|
return Status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check what kind of power source this is */
|
|
|
|
PowerSourceType = *(PULONG)PartialInfo->Data;
|
|
|
|
if (PowerSourceType == 1)
|
|
|
|
{
|
|
|
|
/* Create an AC adapter */
|
|
|
|
Status = CmBattAddAcAdapter(DriverObject, PdoDeviceObject);
|
|
|
|
}
|
|
|
|
else if (PowerSourceType == 0)
|
|
|
|
{
|
|
|
|
/* Create a battery */
|
|
|
|
Status = CmBattAddBattery(DriverObject, PdoDeviceObject);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Unknown type, fail */
|
|
|
|
if (CmBattDebug & 0xC)
|
|
|
|
DbgPrint("CmBattAddDevice: Invalid POWER_SOURCE_TYPE == %d \n", PowerSourceType);
|
|
|
|
return STATUS_UNSUCCESSFUL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return whatever the FDO creation routine did */
|
|
|
|
return Status;
|
2010-03-13 21:06:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* EOF */
|