bool AppleUSBCDC::confirmControl(UInt8 subClass, IOUSBInterface *CInterface)
{
IOUSBFindInterfaceRequest req;
IOUSBInterface *Comm;
UInt8 intSubClass;
bool driverOK = false;
XTRACE(this, subClass, 0, "confirmControl");
// We need to look for CDC interfaces of the specified subclass
req.bInterfaceClass = kUSBCommunicationClass;
// req.bInterfaceSubClass = kIOUSBFindInterfaceDontCare;
req.bInterfaceSubClass = subClass;
req.bInterfaceProtocol = kIOUSBFindInterfaceDontCare;
req.bAlternateSetting = kIOUSBFindInterfaceDontCare;
Comm = fpDevice->FindNextInterface(NULL, &req);
if (!Comm)
{
XTRACE(this, 0, 0, "confirmDriver - Finding the first CDC interface failed");
return false;
}
while (Comm)
{
intSubClass = Comm->GetInterfaceSubClass();
if (intSubClass == subClass) // Just to make sure...
{
XTRACE(this, Comm->GetInterfaceNumber(), CInterface->GetInterfaceNumber(), "confirmControl - Checking interfaces");
if (Comm == CInterface)
{
driverOK = true;
break;
}
}
// see if there's another CDC interface
req.bInterfaceClass = kUSBCommunicationClass;
// req.bInterfaceSubClass = kIOUSBFindInterfaceDontCare;
req.bInterfaceSubClass = subClass;
req.bInterfaceProtocol = kIOUSBFindInterfaceDontCare;
req.bAlternateSetting = kIOUSBFindInterfaceDontCare;
Comm = fpDevice->FindNextInterface(Comm, &req);
if (!Comm)
{
XTRACE(this, 0, 0, "confirmControl - No more CDC interfaces");
}
}
return driverOK;
}/* end confirmControl */
bool AppleUSBCDC::confirmDriver(UInt8 subClass, UInt8 dataInterface)
{
IOUSBFindInterfaceRequest req;
IOUSBInterface *Comm;
UInt8 intSubClass;
UInt8 controlInterfaceNumber;
bool driverOK = false;
XTRACE(this, subClass, dataInterface, "confirmDriver");
// We need to look for CDC interfaces of the specified subclass
req.bInterfaceClass = kUSBCommunicationClass;
// req.bInterfaceSubClass = kIOUSBFindInterfaceDontCare;
req.bInterfaceSubClass = subClass;
req.bInterfaceProtocol = kIOUSBFindInterfaceDontCare;
req.bAlternateSetting = kIOUSBFindInterfaceDontCare;
Comm = fpDevice->FindNextInterface(NULL, &req);
if (!Comm)
{
XTRACE(this, 0, 0, "confirmDriver - Finding the first CDC interface failed");
return false;
}
while (Comm)
{
controlInterfaceNumber = Comm->GetInterfaceNumber();
intSubClass = Comm->GetInterfaceSubClass();
if (intSubClass == subClass) // Just to make sure...
{
switch (intSubClass)
{
case kUSBAbstractControlModel:
driverOK = checkACM(Comm, controlInterfaceNumber, dataInterface);
break;
case kUSBEthernetControlModel:
driverOK = checkECM(Comm, controlInterfaceNumber, dataInterface);
break;
case kUSBWirelessHandsetControlModel:
driverOK = checkWMC(Comm, controlInterfaceNumber, dataInterface);
break;
case kUSBDeviceManagementModel:
driverOK = checkDMM(Comm, controlInterfaceNumber, dataInterface);
break;
case kUSBEthernetEmulationModel:
// There's only one interface for EEM so the data and the control interface are the same
// May need to revisit this
if (controlInterfaceNumber == dataInterface)
{
driverOK = true;
}
break;
case kUSBNetworkControlModel:
driverOK = checkMBIM(Comm, controlInterfaceNumber, dataInterface);
break;
case kUSBMobileBroadbandInterfaceModel:
driverOK = checkMBIM(Comm, controlInterfaceNumber, dataInterface);
break;
default:
break;
}
}
if (driverOK)
{
XTRACE(this, 0, 0, "confirmDriver - Interface confirmed");
break;
}
// see if there's another CDC interface
req.bInterfaceClass = kUSBCommunicationClass;
// req.bInterfaceSubClass = kIOUSBFindInterfaceDontCare;
req.bInterfaceSubClass = subClass;
req.bInterfaceProtocol = kIOUSBFindInterfaceDontCare;
req.bAlternateSetting = kIOUSBFindInterfaceDontCare;
Comm = fpDevice->FindNextInterface(Comm, &req);
if (!Comm)
{
XTRACE(this, 0, 0, "confirmDriver - No more CDC interfaces");
}
}
return driverOK;
}/* end confirmDriver */
