framebuffer driver as a module

Hi,

I am running linux on an ipaq with framebuffer support. I need to enable
support for an external graphics card  through a pcmcia slot - the
driver for which does not exist.

As this is my first in terms of device driver writing, I would be
grateful for some advice.

Is it possible to write this additional driver as a dynamic kernel
module (along the lines of fbmem.c which is static), which however
itself implements all device specific functions? Can this  make use of
the same ioctl functions that fbmem.c uses (defined in fb.h)? Would
there be a conflict considering that fbmem would remain in the system?

Alternately if i am to write this as a static module (which loads onto
fbmem.c) - is there any way i could test it out without having to
recompile the kernel repeatedly?

Any other suggestions on how to proceed would be very welcome.

Many Thanks,

Nikhil Jagtiani



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