reactos/drivers/usb/miniport/usbuhci/uhci.c

   1 /*
   2    ReactOS specific functions for UHCI module
   3    by Aleksey Bragin (aleksey@reactos.com)
   4    and Hervé Poussineau (hpoussin@reactos.org)
   5    Some parts of code are inspired (or even just copied) from ReactOS Videoport driver
   6 */
   7 #define NDEBUG
   8 #include "uhci.h"
   9
  10 extern struct pci_driver uhci_pci_driver;
  11 extern struct pci_device_id uhci_pci_ids[];
  12 struct pci_device_id* pci_ids = &uhci_pci_ids[0];
  13
  14 NTSTATUS
  15 InitLinuxWrapper(PDEVICE_OBJECT DeviceObject)
  16 {
  17         NTSTATUS Status = STATUS_SUCCESS;
  18
  19         PUSBMP_DEVICE_EXTENSION DeviceExtension = (PUSBMP_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  20
  21         /* Create generic linux structure */
  22         struct pci_dev *dev;
  23         dev = ExAllocatePoolWithTag(PagedPool, sizeof(struct pci_dev), USB_UHCI_TAG);
  24         DeviceExtension->pdev = dev;
  25
  26         /* Initialize generic linux structure */
  27         dev->irq = DeviceExtension->InterruptVector;
  28         dev->dev_ext = (PVOID)DeviceExtension;
  29         dev->slot_name = ExAllocatePoolWithTag(NonPagedPool, 128, USB_UHCI_TAG); // 128 max len for slot name
  30         init_wrapper(dev);
  31
  32         strcpy(dev->dev.name, "UnivHCI PCI-USB Controller");
  33         strcpy(dev->slot_name, "UHCD PCI Slot");
  34
  35         /* Init the HCD. Probe will be called automatically, but will fail because id=NULL */
  36         Status = uhci_hcd_init();
  37         if (!NT_SUCCESS(Status))
  38         {
  39                 DPRINT("UHCI: uhci_hcd_init() failed with status 0x%08lx\n", Status);
  40                 /* FIXME: deinitialize linux wrapper */
  41                 ExFreePoolWithTag(dev, USB_UHCI_TAG);
  42                 return Status;
  43         }
  44
  45         /* Init core usb */
  46         usb_init();
  47
  48         /* Probe device with real id now */
  49         uhci_pci_driver.probe(dev, uhci_pci_ids);
  50
  51 //      DPRINT1("UHCI :SysIoBusNumA %d\n",DeviceExtension->SystemIoBusNumber);
  52 //      DeviceExtension->SystemIoBusNumber = dev->bus->number;
  53 //      DPRINT1("UHCI: SysIoBusNumB %d\n",DeviceExtension->SystemIoBusNumber);
  54
  55         return Status;
  56 }
  57
  58 VOID STDCALL
  59 DriverUnload(PDRIVER_OBJECT DriverObject)
  60 {
  61         PUSBMP_DEVICE_EXTENSION DeviceExtension;
  62         PDEVICE_OBJECT DeviceObject;
  63         struct pci_dev *dev;
  64
  65         DeviceObject = DriverObject->DeviceObject;
  66         DeviceExtension = (PUSBMP_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
  67
  68         dev = DeviceExtension->pdev;
  69
  70         DPRINT1("UHCI: DriverUnload()\n");
  71
  72         // Exit usb device
  73         usb_exit();
  74
  75         // Remove device (uhci_pci_driver.remove)
  76         uhci_pci_driver.remove(dev);
  77
  78         ExFreePool(dev->slot_name);
  79         ExFreePool(dev);
  80
  81         // Perform some cleanup
  82         uhci_hcd_cleanup();
  83 }