[PCI]
authorCameron Gutman <aicommander@gmail.com>
Fri, 2 Apr 2010 17:07:38 +0000 (17:07 +0000)
committerCameron Gutman <aicommander@gmail.com>
Fri, 2 Apr 2010 17:07:38 +0000 (17:07 +0000)
- 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

reactos/drivers/bus/pci/pdo.c

index f19e45c..27cd878 100644 (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: