[janderwald] 40675: - Implement VideoPortPutDmaAdapter, VideoPortStartDma, VideoPortCompleteDma, VideoPortLockBuffer, VideoPortUnlockBuffer,
24 Apr
2009
24 Apr
'09
2:18 a.m.
Author: janderwald
Date: Fri Apr 24 06:18:30 2009
New Revision: 40675
URL: http://svn.reactos.org/svn/reactos?rev=40675&view=rev
Log:
- Implement VideoPortPutDmaAdapter, VideoPortStartDma, VideoPortCompleteDma,
VideoPortLockBuffer, VideoPortUnlockBuffer,
Modified:
trunk/reactos/drivers/video/videoprt/dma.c
trunk/reactos/drivers/video/videoprt/resource.c
Modified: trunk/reactos/drivers/video/videoprt/dma.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/videoprt/dma…
==============================================================================
--- trunk/reactos/drivers/video/videoprt/dma.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/videoprt/dma.c [iso-8859-1] Fri Apr 24 06:18:30 2009
@@ -11,6 +11,24 @@
#include <videoprt.h>
#define NDEBUG
#include <debug.h>
+
+typedef struct
+{
+ PDMA_ADAPTER Adapter;
+ ULONG MapRegisters;
+
+}VIP_DMA_ADAPTER, *PVIP_DMA_ADAPTER;
+
+typedef struct
+{
+ PVOID HwDeviceExtension;
+ PSCATTER_GATHER_LIST ScatterGatherList;
+ PEXECUTE_DMA ExecuteDmaRoutine;
+ PVOID Context;
+ PVP_DMA_ADAPTER VpDmaAdapter;
+
+}DMA_START_CONTEXT, *PDMA_START_CONTEXT;
+
/* PUBLIC FUNCTIONS ***********************************************************/
@@ -26,11 +44,10 @@
IN BOOLEAN CacheEnabled,
PVOID Reserved)
{
- /* Forward to HAL */
- return HalAllocateCommonBuffer((PADAPTER_OBJECT)VpDmaAdapter,
- DesiredLength,
- LogicalAddress,
- CacheEnabled);
+ PVIP_DMA_ADAPTER Adapter = (PVIP_DMA_ADAPTER)VpDmaAdapter;
+
+
+ return
Adapter->Adapter->DmaOperations->AllocateCommonBuffer(Adapter->Adapter,
DesiredLength, LogicalAddress, CacheEnabled);
}
/*
@@ -45,23 +62,23 @@
IN PVOID VirtualAddress,
IN BOOLEAN CacheEnabled)
{
- /* Forward to HAL */
- HalFreeCommonBuffer((PADAPTER_OBJECT)VpDmaAdapter,
- Length,
- LogicalAddress,
- VirtualAddress,
- CacheEnabled);
-}
-
-/*
- * @unimplemented
+ PVIP_DMA_ADAPTER Adapter = (PVIP_DMA_ADAPTER)VpDmaAdapter;
+
+ Adapter->Adapter->DmaOperations->FreeCommonBuffer(Adapter->Adapter,
Length, LogicalAddress, VirtualAddress, CacheEnabled);
+}
+
+/*
+ * @implemented
*/
VOID
NTAPI
VideoPortPutDmaAdapter(IN PVOID HwDeviceExtension,
IN PVP_DMA_ADAPTER VpDmaAdapter)
{
- UNIMPLEMENTED;
+ PVIP_DMA_ADAPTER Adapter = (PVIP_DMA_ADAPTER)VpDmaAdapter;
+
+ Adapter->Adapter->DmaOperations->PutDmaAdapter(Adapter->Adapter);
+ ExFreePool(Adapter);
}
/*
@@ -75,29 +92,45 @@
DEVICE_DESCRIPTION DeviceDescription;
PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension =
VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
ULONG NumberOfMapRegisters;
-
- /* Zero the structure */
+ PVIP_DMA_ADAPTER Adapter;
+ PDMA_ADAPTER DmaAdapter;
+
+ /* Zero the structure */
RtlZeroMemory(&DeviceDescription,
- sizeof(DEVICE_DESCRIPTION));
+ sizeof(DEVICE_DESCRIPTION));
/* Initialize the structure */
DeviceDescription.Version = DEVICE_DESCRIPTION_VERSION;
DeviceDescription.Master = TRUE /* ?? */;
- DeviceDescription.DmaWidth = Width8Bits;
+ DeviceDescription.DmaWidth = Width8Bits;
DeviceDescription.DmaSpeed = Compatible;
- /* Copy data from caller's device extension */
+ /* Copy data from caller's device extension */
DeviceDescription.ScatterGather = VpDeviceExtension->ScatterGather;
- DeviceDescription.Dma32BitAddresses = VpDeviceExtension->Dma32BitAddresses;
- DeviceDescription.Dma64BitAddresses = VpDeviceExtension->Dma64BitAddresses;
- DeviceDescription.MaximumLength = VpDeviceExtension->MaximumLength;
+ DeviceDescription.Dma32BitAddresses = VpDeviceExtension->Dma32BitAddresses;
+ DeviceDescription.Dma64BitAddresses = VpDeviceExtension->Dma64BitAddresses;
+ DeviceDescription.MaximumLength = VpDeviceExtension->MaximumLength;
/* Copy data from the internal device extension */
DeviceDescription.BusNumber = DeviceExtension->SystemIoBusNumber;
DeviceDescription.InterfaceType = DeviceExtension->AdapterInterfaceType;
- return (PVP_DMA_ADAPTER)HalGetAdapter(&DeviceDescription,
- &NumberOfMapRegisters);
+ Adapter = ExAllocatePool(NonPagedPool, sizeof(VIP_DMA_ADAPTER));
+ if (!Adapter)
+ return NULL;
+
+
+ DmaAdapter = IoGetDmaAdapter(DeviceExtension->PhysicalDeviceObject,
&DeviceDescription, &NumberOfMapRegisters);
+ if (!DmaAdapter)
+ {
+ ExFreePool(Adapter);
+ return NULL;
+ }
+
+ Adapter->Adapter = DmaAdapter;
+ Adapter->MapRegisters = NumberOfMapRegisters;
+
+ return (PVP_DMA_ADAPTER)Adapter;
}
/*
@@ -198,24 +231,91 @@
return FALSE;
}
-/*
- * @unimplemented
+
+BOOLEAN
+NTAPI
+SyncScatterRoutine(
+ IN PVOID Context)
+{
+ PDMA_START_CONTEXT StartContext = (PDMA_START_CONTEXT)Context;
+
+ StartContext->ExecuteDmaRoutine(StartContext->HwDeviceExtension,
StartContext->VpDmaAdapter,
(PVP_SCATTER_GATHER_LIST)StartContext->ScatterGatherList, StartContext->Context);
+ return TRUE;
+}
+
+VOID
+NTAPI
+ScatterAdapterControl(
+ IN PDEVICE_OBJECT *DeviceObject,
+ IN PIRP *Irp,
+ IN PSCATTER_GATHER_LIST ScatterGather,
+ IN PVOID Context)
+{
+ PDMA_START_CONTEXT StartContext = (PDMA_START_CONTEXT)Context;
+
+ StartContext->ScatterGatherList = ScatterGather;
+
+ VideoPortSynchronizeExecution(StartContext->HwDeviceExtension, VpMediumPriority,
SyncScatterRoutine, StartContext);
+ ExFreePool(StartContext);
+}
+
+/*
+ * @implemented
*/
VP_STATUS
NTAPI
VideoPortStartDma(IN PVOID HwDeviceExtension,
IN PVP_DMA_ADAPTER VpDmaAdapter,
- IN PVOID Mdl,
- IN ULONG Offset,
- IN OUT PULONG pLength,
- IN PEXECUTE_DMA ExecuteDmaRoutine,
- IN PVOID Context,
- IN BOOLEAN WriteToDevice)
-{
- UNIMPLEMENTED;
-
- /* Lie and return success */
- return NO_ERROR;
+ IN PVOID Mdl,
+ IN ULONG Offset,
+ IN OUT PULONG pLength,
+ IN PEXECUTE_DMA ExecuteDmaRoutine,
+ IN PVOID Context,
+ IN BOOLEAN WriteToDevice)
+{
+ NTSTATUS Status;
+ KIRQL OldIrql;
+ PDMA_START_CONTEXT StartContext;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension =
VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
+ PVIP_DMA_ADAPTER Adapter = (PVIP_DMA_ADAPTER)VpDmaAdapter;
+
+ StartContext = ExAllocatePool(NonPagedPool, sizeof(DMA_START_CONTEXT));
+ if (!StartContext)
+ {
+ return ERROR_NOT_ENOUGH_MEMORY;
+ }
+
+ StartContext->Context = Context;
+ StartContext->ExecuteDmaRoutine = ExecuteDmaRoutine;
+ StartContext->HwDeviceExtension = HwDeviceExtension;
+ StartContext->VpDmaAdapter = VpDmaAdapter;
+
+ KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
+
+ Status =
Adapter->Adapter->DmaOperations->GetScatterGatherList(Adapter->Adapter,
+
DeviceExtension->PhysicalDeviceObject,
+ Mdl,
+
MmGetSystemAddressForMdl((PMDL)Mdl),
+
MmGetMdlByteCount((PMDL)Mdl),
+
(PDRIVER_LIST_CONTROL)ScatterAdapterControl,
+ StartContext,
+ WriteToDevice);
+
+ KeLowerIrql(OldIrql);
+
+ if (!NT_SUCCESS(Status))
+ {
+ *pLength = 0;
+ ExFreePool(StartContext);
+ Status = ERROR_NOT_ENOUGH_MEMORY;
+ }
+ else
+ {
+ Status = NO_ERROR;
+ }
+
+ /* Return status */
+ return Status;
}
/*
@@ -240,7 +340,7 @@
IN DMA_FLAGS DmaFlags)
{
/* Deprecated */
- return NULL;
+ return NULL;
}
/*
@@ -258,7 +358,7 @@
}
/*
- * @unimplemented
+ * @implemented
*/
VP_STATUS
NTAPI
@@ -267,8 +367,12 @@
IN PVP_SCATTER_GATHER_LIST VpScatterGather,
IN BOOLEAN WriteToDevice)
{
- UNIMPLEMENTED;
-
- /* Lie and return success */
- return NO_ERROR;
-}
+ KIRQL OldIrql;
+ PVIP_DMA_ADAPTER Adapter = (PVIP_DMA_ADAPTER)VpDmaAdapter;
+
+ KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
+ Adapter->Adapter->DmaOperations->PutScatterGatherList(Adapter->Adapter,
(PSCATTER_GATHER_LIST)VpScatterGather, WriteToDevice);
+ KeLowerIrql(OldIrql);
+
+ return NO_ERROR;
+}
Modified: trunk/reactos/drivers/video/videoprt/resource.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/videoprt/res…
==============================================================================
--- trunk/reactos/drivers/video/videoprt/resource.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/videoprt/resource.c [iso-8859-1] Fri Apr 24 06:18:30 2009
@@ -735,7 +735,7 @@
}
/*
- * @unimplemented
+ * @implemented
*/
PVOID NTAPI
@@ -745,8 +745,16 @@
IN ULONG Length,
IN VP_LOCK_OPERATION Operation)
{
- UNIMPLEMENTED;
- return NULL;
+ PMDL Mdl;
+
+ Mdl = IoAllocateMdl(BaseAddress, Length, FALSE, FALSE, NULL);
+ if (!Mdl)
+ {
+ return NULL;
+ }
+ /* FIXME use seh */
+ MmProbeAndLockPages(Mdl, KernelMode,Operation);
+ return Mdl;
}
/*
@@ -758,7 +766,11 @@
IN PVOID HwDeviceExtension,
IN PVOID Mdl)
{
- UNIMPLEMENTED;
+ if (Mdl)
+ {
+ MmUnlockPages((PMDL)Mdl);
+ IoFreeMdl(Mdl);
+ }
}
/*
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janderwald＠svn.reactos.org