Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-07-06 04:35:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

[PCI]

Browse source 
- Fix the Vector value of the interrupt resource
- Actually set the device to use the interrupt that the PnP manager gave us

svn path=/trunk/; revision=46687
This commit is contained in:
Cameron Gutman 2010-04-02 17:07:38 +00:00
parent d214e12390
commit 3d1eaacc72
1 changed files with 47 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
reactos/drivers/bus/pci/pdo.c
View file

@ -775,7 +775,7 @@ PdoQueryResources(
Descriptor->ShareDisposition = CmResourceShareShared;
Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
Descriptor->u.Interrupt.Level = PciConfig.u.type0.InterruptLine;
Descriptor->u.Interrupt.Vector = 0;
Descriptor->u.Interrupt.Vector = PciConfig.u.type0.InterruptLine;
Descriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
}
}
@ -1186,6 +1186,49 @@ PdoQueryInterface(
return Status;
}
static NTSTATUS
PdoStartDevice(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp,
PIO_STACK_LOCATION IrpSp)
{
PCM_RESOURCE_LIST RawResList = IrpSp->Parameters.StartDevice.AllocatedResources;
PCM_FULL_RESOURCE_DESCRIPTOR RawFullDesc;
PCM_PARTIAL_RESOURCE_DESCRIPTOR RawPartialDesc;
ULONG i, ii;
PPDO_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
UCHAR Irq;
/* TODO: Assign the other resources we get to the card */
for (i = 0; i < RawResList->Count; i++)
{
RawFullDesc = &RawResList->List[i];
for (ii = 0; ii < RawFullDesc->PartialResourceList.Count; ii++)
{
RawPartialDesc = &RawFullDesc->PartialResourceList.PartialDescriptors[ii];
if (RawPartialDesc->Type == CmResourceTypeInterrupt)
{
DPRINT1("Assigning IRQ %x to PCI device (%x, %x)\n",
RawPartialDesc->u.Interrupt.Vector,
DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
DeviceExtension->PciDevice->BusNumber);
Irq = (UCHAR)RawPartialDesc->u.Interrupt.Vector;
HalSetBusDataByOffset(PCIConfiguration,
DeviceExtension->PciDevice->BusNumber,
DeviceExtension->PciDevice->SlotNumber.u.AsULONG,
&Irq,
0x3c /* PCI_INTERRUPT_LINE */,
sizeof(UCHAR));
}
}
}
return STATUS_SUCCESS;
}
static NTSTATUS
PdoReadConfig(
@ -1352,6 +1395,9 @@ PdoPnpControl(
break;
case IRP_MN_START_DEVICE:
Status = PdoStartDevice(DeviceObject, Irp, IrpSp);
break;
case IRP_MN_QUERY_STOP_DEVICE:
case IRP_MN_CANCEL_STOP_DEVICE:
case IRP_MN_STOP_DEVICE: