reactos/drivers/usb/miniport/usbohci/ohci.c

   1 #define NDEBUG
   2 #include <debug.h>
   3
   4 #include "ohci.h"
   5
   6 extern struct pci_driver ohci_pci_driver;
   7 extern struct pci_device_id ohci_pci_ids[];
   8 struct pci_device_id* pci_ids = &ohci_pci_ids[0];
   9
  10 NTSTATUS
  11 InitLinuxWrapper(PDEVICE_OBJECT DeviceObject)
  12 {
  13         NTSTATUS Status;
  14         PUSBMP_DEVICE_EXTENSION DeviceExtension = (PUSBMP_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  15
  16         /* Create generic linux structure */
  17         struct pci_dev *dev;
  18         dev = ExAllocatePoolWithTag(PagedPool, sizeof(struct pci_dev), USB_OHCI_TAG);
  19         DeviceExtension->pdev = dev;
  20
  21         /* Initialize generic linux structure */
  22         dev->irq = DeviceExtension->InterruptVector;
  23         dev->dev_ext = (PVOID)DeviceExtension;
  24         dev->dev.dev_ext = (PVOID)DeviceObject;
  25         dev->slot_name = ExAllocatePoolWithTag(NonPagedPool, 128, USB_OHCI_TAG); // 128 max len for slot name
  26
  27         // Init wrapper
  28         init_wrapper(dev);
  29
  30         strcpy(dev->dev.name, "OpenHCI PCI-USB Controller");
  31         strcpy(dev->slot_name, "OHCD PCI Slot");
  32
  33         // Init the OHCI HCD. Probe will be called automatically, but will fail because id=NULL
  34         Status = ohci_hcd_pci_init();
  35         if (!NT_SUCCESS(Status))
  36         {
  37                 DPRINT("OHCI: ohci_hcd_pci_init() failed with status 0x%08lx\n", Status);
  38                 /* FIXME: deinitialize linux wrapper */
  39                 ExFreePoolWithTag(dev, USB_OHCI_TAG);
  40                 return Status;
  41         }
  42
  43         // Init core usb
  44         usb_init();
  45
  46         // Probe device with real id now
  47         ohci_pci_driver.probe(dev, ohci_pci_ids);
  48
  49         return STATUS_SUCCESS;
  50 }
  51
  52 VOID STDCALL DriverUnload(PDRIVER_OBJECT DriverObject)
  53 {
  54         PUSBMP_DEVICE_EXTENSION DeviceExtension;
  55         PDEVICE_OBJECT DeviceObject;
  56         struct pci_dev *dev;
  57
  58         DeviceObject = DriverObject->DeviceObject;
  59         DeviceExtension = (PUSBMP_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  60
  61         dev = DeviceExtension->pdev;
  62
  63         DPRINT1("DriverUnload()\n");
  64
  65         // Exit usb device
  66         usb_exit();
  67
  68         // Remove device (ohci_pci_driver.remove)
  69         ohci_pci_driver.remove(dev);
  70
  71         ExFreePool(dev->slot_name);
  72         ExFreePool(dev);
  73
  74         // Perform some cleanup
  75         ohci_hcd_pci_cleanup();
  76 }