[janderwald] 39535: - Handle IRP_MN_QUERY_PNP_DEVICE_STATE - Implement opening KS_CATEGORY_AUDIO devices (used with extreme hack since opening sym link is not working atm)
Author: janderwald Date: Tue Feb 10 10:28:24 2009 New Revision: 39535
URL: http://svn.reactos.org/svn/reactos?rev=39535&view=rev Log: - Handle IRP_MN_QUERY_PNP_DEVICE_STATE - Implement opening KS_CATEGORY_AUDIO devices (used with extreme hack since opening sym link is not working atm)
Modified: trunk/reactos/drivers/wdm/audio/sysaudio/main.c trunk/reactos/drivers/wdm/audio/sysaudio/sysaudio.h
Modified: trunk/reactos/drivers/wdm/audio/sysaudio/main.c URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/sysaudio/... ============================================================================== --- trunk/reactos/drivers/wdm/audio/sysaudio/main.c [iso-8859-1] (original) +++ trunk/reactos/drivers/wdm/audio/sysaudio/main.c [iso-8859-1] Tue Feb 10 10:28:24 2009 @@ -16,76 +16,146 @@ //#include <dxsdk/mediaobj.h> #include "sysaudio.h"
- - -const GUID KS_CATEGORY_AUDIO = {0x6994AD04, 0x93EF, 0x11D0, {0xA3, 0xCC, 0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}}; -VOID -NTAPI -SysAudio_Unload(IN PDRIVER_OBJECT DriverObject) -{ - DPRINT1("SysAudio_Unload called\n"); -} - -NTSTATUS -NTAPI -SysAudio_Pnp( - IN PDEVICE_OBJECT DeviceObject, - IN PIRP Irp) -{ - PIO_STACK_LOCATION IrpStack; - UNICODE_STRING SymlinkName = RTL_CONSTANT_STRING(L"\DosDevices\sysaudio"); - SYSAUDIODEVEXT *DeviceExtension; - - DPRINT1("SysAudio_Pnp called\n"); - - - IrpStack = IoGetCurrentIrpStackLocation(Irp); - - DeviceExtension = (SYSAUDIODEVEXT*)DeviceObject->DeviceExtension; - - if (IrpStack->MinorFunction == IRP_MN_REMOVE_DEVICE) - { - if (DeviceExtension->EchoCancelNotificationEntry) - IoUnregisterPlugPlayNotification(DeviceExtension->EchoCancelNotificationEntry); - - if (DeviceExtension->KsAudioNotificationEntry) - IoUnregisterPlugPlayNotification(DeviceExtension->KsAudioNotificationEntry); - - IoDeleteSymbolicLink(&SymlinkName); - } - - return KsDefaultDispatchPnp(DeviceObject, Irp); -} - -NTSTATUS -NTAPI -DeviceInterfaceChangeCallback( - IN PVOID NotificationStructure, - IN PVOID Context) -{ - DEVICE_INTERFACE_CHANGE_NOTIFICATION * Event = (DEVICE_INTERFACE_CHANGE_NOTIFICATION*)NotificationStructure; - - DPRINT1("DeviceInterfaceChangeCallback called %p\n", Event); - return STATUS_SUCCESS; -} - -NTSTATUS -NTAPI -DispatchCreate( - IN PDEVICE_OBJECT DeviceObject, - IN PIRP Irp) -{ - DPRINT1("DispatchCreate\n"); - - return STATUS_SUCCESS; -} - const GUID KSCATEGORY_AUDIO_DEVICE = {0xFBF6F530L, 0x07B9, 0x11D2, {0xA7, 0x1E, 0x00, 0x00, 0xF8, 0x00, 0x47, 0x88}}; const GUID KSCATEGORY_PREFERRED_WAVEOUT_DEVICE = {0xD6C5066EL, 0x72C1, 0x11D2, {0x97, 0x55, 0x00, 0x00, 0xF8, 0x00, 0x47, 0x88}}; const GUID KSCATEGORY_PREFERRED_WAVEIN_DEVICE = {0xD6C50671L, 0x72C1, 0x11D2, {0x97, 0x55, 0x00, 0x00, 0xF8, 0x00, 0x47, 0x88}}; const GUID KSCATEGORY_PREFERRED_MIDIOUT_DEVICE = {0xD6C50674L, 0x72C1, 0x11D2, {0x97, 0x55, 0x00, 0x00, 0xF8, 0x00, 0x47, 0x88}}; - - +const GUID KS_CATEGORY_AUDIO = {0x6994AD04L, 0x93EF, 0x11D0, {0xA3, 0xCC, 0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}}; +const GUID GUID_DEVICE_INTERFACE_ARRIVAL = {0xCB3A4004L, 0x46F0, 0x11D0, {0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F}}; +const GUID GUID_DEVICE_INTERFACE_REMOVAL = {0xCB3A4005L, 0x46F0, 0x11D0, {0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F}}; + + +VOID +NTAPI +SysAudio_Unload(IN PDRIVER_OBJECT DriverObject) +{ + DPRINT1("SysAudio_Unload called\n"); +} + +NTSTATUS +NTAPI +SysAudio_Pnp( + IN PDEVICE_OBJECT DeviceObject, + IN PIRP Irp) +{ + PIO_STACK_LOCATION IrpStack; + UNICODE_STRING SymlinkName = RTL_CONSTANT_STRING(L"\DosDevices\sysaudio"); + SYSAUDIODEVEXT *DeviceExtension; + + DPRINT1("SysAudio_Pnp called\n"); + + + IrpStack = IoGetCurrentIrpStackLocation(Irp); + + DeviceExtension = (SYSAUDIODEVEXT*)DeviceObject->DeviceExtension; + + if (IrpStack->MinorFunction == IRP_MN_REMOVE_DEVICE) + { + if (DeviceExtension->EchoCancelNotificationEntry) + IoUnregisterPlugPlayNotification(DeviceExtension->EchoCancelNotificationEntry); + + if (DeviceExtension->KsAudioNotificationEntry) + IoUnregisterPlugPlayNotification(DeviceExtension->KsAudioNotificationEntry); + + IoDeleteSymbolicLink(&SymlinkName); + } + else if (IrpStack->MinorFunction == IRP_MN_QUERY_PNP_DEVICE_STATE) + { + Irp->IoStatus.Information |= PNP_DEVICE_NOT_DISABLEABLE; + } + + return KsDefaultDispatchPnp(DeviceObject, Irp); +} + +NTSTATUS +NTAPI +DeviceInterfaceChangeCallback( + IN PVOID NotificationStructure, + IN PVOID Context) +{ + DEVICE_INTERFACE_CHANGE_NOTIFICATION * Event; + SYSAUDIODEVEXT *DeviceExtension = (SYSAUDIODEVEXT*)Context; + NTSTATUS Status = STATUS_SUCCESS; + + Event = (DEVICE_INTERFACE_CHANGE_NOTIFICATION*)NotificationStructure; + + if (IsEqualGUIDAligned(&Event->Event, + &GUID_DEVICE_INTERFACE_ARRIVAL)) + { + /* a new device has arrived */ + + PFILE_OBJECT FileObject = NULL; + PDEVICE_OBJECT DeviceObject = NULL; + UNICODE_STRING DeviceName; + PKSAUDIO_DEVICE_ENTRY DeviceEntry; + + DeviceEntry = ExAllocatePool(NonPagedPool, sizeof(KSAUDIO_DEVICE_ENTRY)); + if (!DeviceEntry) + return STATUS_INSUFFICIENT_RESOURCES; + + if (!RtlCreateUnicodeString(&DeviceEntry->DeviceName, Event->SymbolicLinkName->Buffer)) + { + ExFreePool(DeviceEntry); + return STATUS_INSUFFICIENT_RESOURCES; + } + +#if 1 //HACK HACK HACK HACK HACK HACK HACK HACK HACK HACK HACK + RtlInitUnicodeString(&DeviceName, L"\Device\00000017"); +#else + RtlInitUnicodeString(&DeviceName, Event->SymbolicLinkName->Buffer); +#endif + + Status = IoGetDeviceObjectPointer(&DeviceName, + FILE_READ_DATA | FILE_WRITE_DATA, + &FileObject, + &DeviceObject); + + if (!NT_SUCCESS(Status)) + { + ExFreePool(DeviceEntry); + return Status; + } + + DeviceEntry->DeviceObject = DeviceObject; + DeviceEntry->FileObject = FileObject; + + InsertTailList(&DeviceExtension->KsAudioDeviceList, &DeviceEntry->Entry); + DeviceExtension->NumberOfKsAudioDevices++; + + DPRINT1("Successfully opened audio device\n"); + return Status; + } + else if (IsEqualGUIDAligned(&Event->Event, + &GUID_DEVICE_INTERFACE_REMOVAL)) + { + DPRINT1("Remove interface to audio device!\n"); + ///FIXME + /// + return STATUS_SUCCESS; + } + else + { + UNICODE_STRING EventName, InterfaceGuid; + + RtlStringFromGUID(&Event->Event, &EventName); + RtlStringFromGUID(&Event->InterfaceClassGuid, &InterfaceGuid); + DPRINT1("Unknown event: Event %wZ GUID %wZ\n", &EventName, &InterfaceGuid); + return STATUS_SUCCESS; + } + + +} + +NTSTATUS +NTAPI +DispatchCreate( + IN PDEVICE_OBJECT DeviceObject, + IN PIRP Irp) +{ + DPRINT1("DispatchCreate\n"); + + return STATUS_SUCCESS; +}
NTSTATUS NTAPI @@ -135,8 +205,8 @@ RtlZeroMemory(DeviceExtension, sizeof(SYSAUDIODEVEXT));
KeInitializeMutex(&DeviceExtension->Mutex, 0); - DeviceExtension->PhysicalDeviceObject = PhysicalDeviceObject; + InitializeListHead(&DeviceExtension->KsAudioDeviceList);
/* initialize create item struct */ RtlZeroMemory(&CreateItem, sizeof(KSOBJECT_CREATE_ITEM)); @@ -222,6 +292,24 @@ return Status; }
+NTSTATUS +NTAPI +SysAudio_Stub( + IN PDEVICE_OBJECT DeviceObject, + IN PIRP Irp) +{ + DPRINT1("SysAudio_Stub called\n"); + + /* TODO */ + + Irp->IoStatus.Status = STATUS_SUCCESS; + Irp->IoStatus.Information = 0; + IoCompleteRequest(Irp, IO_NO_INCREMENT); + + return STATUS_SUCCESS; +} + + NTSTATUS NTAPI DriverEntry( IN PDRIVER_OBJECT DriverObject, @@ -230,10 +318,19 @@ DPRINT1("System audio graph builder (sysaudio) started\n");
DPRINT1("Setting KS function handlers\n"); + +#if KS_IMPLEMENTED KsSetMajorFunctionHandler(DriverObject, IRP_MJ_CREATE); KsSetMajorFunctionHandler(DriverObject, IRP_MJ_CLOSE); KsSetMajorFunctionHandler(DriverObject, IRP_MJ_WRITE); KsSetMajorFunctionHandler(DriverObject, IRP_MJ_DEVICE_CONTROL); +#else + DriverObject->MajorFunction[IRP_MJ_CREATE] = SysAudio_Stub; + DriverObject->MajorFunction[IRP_MJ_CLOSE] = SysAudio_Stub; + DriverObject->MajorFunction[IRP_MJ_WRITE] = SysAudio_Stub; + DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = SysAudio_Stub; +#endif +
DriverObject->MajorFunction[IRP_MJ_POWER] = KsDefaultDispatchPower; DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = KsDefaultForwardIrp;
Modified: trunk/reactos/drivers/wdm/audio/sysaudio/sysaudio.h URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/sysaudio/... ============================================================================== --- trunk/reactos/drivers/wdm/audio/sysaudio/sysaudio.h [iso-8859-1] (original) +++ trunk/reactos/drivers/wdm/audio/sysaudio/sysaudio.h [iso-8859-1] Tue Feb 10 10:28:24 2009 @@ -1,6 +1,14 @@ #ifndef SYSAUDIO_H__ #define SYSAUDIO_H__
+typedef struct +{ + LIST_ENTRY Entry; + PDEVICE_OBJECT DeviceObject; + PFILE_OBJECT FileObject; + UNICODE_STRING DeviceName; + +}KSAUDIO_DEVICE_ENTRY, *PKSAUDIO_DEVICE_ENTRY;
typedef struct @@ -8,13 +16,20 @@ PDEVICE_OBJECT PhysicalDeviceObject; PDEVICE_OBJECT NextDeviceObject; KSDEVICE_HEADER KsDeviceHeader; + ULONG NumberOfKsAudioDevices; + LIST_ENTRY KsAudioDeviceList; PVOID KsAudioNotificationEntry; PVOID EchoCancelNotificationEntry; KMUTEX Mutex; }SYSAUDIODEVEXT;
- +BOOLEAN +NTAPI + RtlCreateUnicodeString( + OUT PUNICODE_STRING DestinationString, + IN PCWSTR SourceString + );
#endif
-
janderwald＠svn.reactos.org