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![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
265 lines
7.1 KiB
C
265 lines
7.1 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Kernel
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* FILE: drivers/bus/pcmcia/pcmcia.c
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* PURPOSE: PCMCIA Bus Driver
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* PROGRAMMERS: Cameron Gutman (cameron.gutman@reactos.org)
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*/
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#include <pcmcia.h>
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//#define NDEBUG
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#include <debug.h>
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BOOLEAN IoctlEnabled;
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DRIVER_DISPATCH PcmciaCreateClose;
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NTSTATUS
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NTAPI
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PcmciaCreateClose(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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UNREFERENCED_PARAMETER(DeviceObject);
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Irp->IoStatus.Status = STATUS_SUCCESS;
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Irp->IoStatus.Information = 0;
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DPRINT("PCMCIA: Create/Close\n");
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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DRIVER_DISPATCH PcmciaDeviceControl;
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NTSTATUS
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NTAPI
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PcmciaDeviceControl(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
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NTSTATUS Status;
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UNREFERENCED_PARAMETER(DeviceObject);
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DPRINT("PCMCIA: DeviceIoControl\n");
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Irp->IoStatus.Information = 0;
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switch (IrpSp->Parameters.DeviceIoControl.IoControlCode)
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{
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default:
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DPRINT1("PCMCIA: Unknown ioctl code: %x\n", IrpSp->Parameters.DeviceIoControl.IoControlCode);
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Status = STATUS_NOT_SUPPORTED;
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}
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Irp->IoStatus.Status = Status;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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DRIVER_UNLOAD PcmciaUnload;
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VOID
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NTAPI
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PcmciaUnload(PDRIVER_OBJECT DriverObject)
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{
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UNREFERENCED_PARAMETER(DriverObject);
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DPRINT("PCMCIA: Unload\n");
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}
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DRIVER_DISPATCH PcmciaPlugPlay;
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NTSTATUS
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NTAPI
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PcmciaPlugPlay(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PPCMCIA_COMMON_EXTENSION Common = DeviceObject->DeviceExtension;
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DPRINT("PCMCIA: PnP\n");
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if (Common->IsFDO)
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{
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return PcmciaFdoPlugPlay((PPCMCIA_FDO_EXTENSION)Common,
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Irp);
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}
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else
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{
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return PcmciaPdoPlugPlay((PPCMCIA_PDO_EXTENSION)Common,
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Irp);
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}
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}
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DRIVER_DISPATCH PcmciaPower;
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NTSTATUS
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NTAPI
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PcmciaPower(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PPCMCIA_COMMON_EXTENSION Common = DeviceObject->DeviceExtension;
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PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
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NTSTATUS Status;
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switch (IrpSp->MinorFunction)
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{
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case IRP_MN_QUERY_POWER:
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/* I don't see any reason that we should care */
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DPRINT("PCMCIA: IRP_MN_QUERY_POWER\n");
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_POWER_SEQUENCE:
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DPRINT("PCMCIA: IRP_MN_POWER_SEQUENCE\n");
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RtlCopyMemory(IrpSp->Parameters.PowerSequence.PowerSequence,
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&Common->PowerSequence,
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sizeof(POWER_SEQUENCE));
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_WAIT_WAKE:
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/* Not really sure about this */
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DPRINT("PCMCIA: IRP_MN_WAIT_WAKE\n");
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Status = STATUS_NOT_SUPPORTED;
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break;
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case IRP_MN_SET_POWER:
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DPRINT("PCMCIA: IRP_MN_SET_POWER\n");
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if (IrpSp->Parameters.Power.Type == SystemPowerState)
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{
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Common->SystemPowerState = IrpSp->Parameters.Power.State.SystemState;
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Status = STATUS_SUCCESS;
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}
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else
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{
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Common->DevicePowerState = IrpSp->Parameters.Power.State.DeviceState;
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/* Update the POWER_SEQUENCE struct */
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if (Common->DevicePowerState <= PowerDeviceD1)
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Common->PowerSequence.SequenceD1++;
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if (Common->DevicePowerState <= PowerDeviceD2)
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Common->PowerSequence.SequenceD2++;
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if (Common->DevicePowerState <= PowerDeviceD3)
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Common->PowerSequence.SequenceD3++;
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/* Start the underlying device if we are handling this for a PDO */
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if (!Common->IsFDO)
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Status = PcmciaPdoSetPowerState((PPCMCIA_PDO_EXTENSION)Common);
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else
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Status = STATUS_SUCCESS;
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}
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/* Report that we changed state to the Power Manager */
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PoSetPowerState(DeviceObject,
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IrpSp->Parameters.Power.Type,
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IrpSp->Parameters.Power.State);
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break;
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default:
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DPRINT1("PCMCIA: Invalid MN code in MJ_POWER handler %x\n", IrpSp->MinorFunction);
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ASSERT(FALSE);
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Status = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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DRIVER_ADD_DEVICE PcmciaAddDevice;
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NTSTATUS
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NTAPI
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PcmciaAddDevice(PDRIVER_OBJECT DriverObject,
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PDEVICE_OBJECT PhysicalDeviceObject)
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{
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PPCMCIA_FDO_EXTENSION FdoExt;
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PDEVICE_OBJECT Fdo;
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NTSTATUS Status;
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DPRINT("PCMCIA: AddDevice\n");
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Status = IoCreateDevice(DriverObject,
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sizeof(*FdoExt),
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NULL,
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FILE_DEVICE_BUS_EXTENDER,
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FILE_DEVICE_SECURE_OPEN,
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FALSE,
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&Fdo);
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if (!NT_SUCCESS(Status))
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return Status;
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FdoExt = Fdo->DeviceExtension;
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RtlZeroMemory(FdoExt, sizeof(*FdoExt));
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InitializeListHead(&FdoExt->ChildDeviceList);
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KeInitializeSpinLock(&FdoExt->Lock);
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FdoExt->Common.Self = Fdo;
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FdoExt->Common.IsFDO = TRUE;
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FdoExt->Common.State = dsStopped;
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FdoExt->Ldo = IoAttachDeviceToDeviceStack(Fdo,
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PhysicalDeviceObject);
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Fdo->Flags &= ~DO_DEVICE_INITIALIZING;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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DriverEntry(PDRIVER_OBJECT DriverObject,
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PUNICODE_STRING RegistryPath)
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{
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RTL_QUERY_REGISTRY_TABLE QueryTable[2];
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NTSTATUS Status;
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UNREFERENCED_PARAMETER(RegistryPath);
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DPRINT1("PCMCIA: DriverEntry\n");
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DriverObject->MajorFunction[IRP_MJ_CREATE] = PcmciaCreateClose;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = PcmciaCreateClose;
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DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = PcmciaDeviceControl;
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DriverObject->MajorFunction[IRP_MJ_PNP] = PcmciaPlugPlay;
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DriverObject->MajorFunction[IRP_MJ_POWER] = PcmciaPower;
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DriverObject->DriverExtension->AddDevice = PcmciaAddDevice;
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DriverObject->DriverUnload = PcmciaUnload;
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RtlZeroMemory(QueryTable, sizeof(RTL_QUERY_REGISTRY_TABLE) * 2);
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
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QueryTable[0].Name = L"IoctlInterface";
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QueryTable[0].EntryContext = &IoctlEnabled;
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Status = RtlQueryRegistryValues(RTL_REGISTRY_SERVICES,
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L"Pcmcia\\Parameters",
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QueryTable,
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NULL,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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/* Key not present so assume disabled */
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IoctlEnabled = FALSE;
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}
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DPRINT("PCMCIA: Ioctl interface %s\n",
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(IoctlEnabled ? "enabled" : "disabled"));
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return STATUS_SUCCESS;
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}
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