BDA driver for USB Tuner device.

Hi,

I am developing a BDA driver for a USB Device.I am new to BDA.I have
gone through the samples for europa from DDK, but still i find it is
not sufficient and pose me greater questions.

I just putforth here my understanding of things and some
querries..someone validate my understanding and help me further.

As part of the BDA minidrivers we normally create filters especially
two filters Tuner and Capture.
Capture filter is the one which deals with data stream from the
hardware device.

If the device is a USB device then how to establish the link between
the BDA minidriver and USB client driver for the device.

As part of initialzation of BDA mini driver do we really need to
register a DMA adapter object(for USB Device) with KS module, if so
what creteria do we need to consider for MaxMappingByteCount in
KsDeviceRegisterAdapterObject routine.

how does the BDA mini driver will talk to the USB Client driver for
basic data stream movements and configuring the tuner device.

expecting your help and suggestions ..

thanks in advance,
Viswa.

.

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