Xorg driver explanation on Linux?

[Timo Juhani Lindfors]

Vilius Mockūnas <v.mockunas at gmail.com> writes:
> It looks like Xorg drivers on Linux platform are NOT kernel modules.
> Could someone explain, or better point some brief document - what these Xorg
> drivers are and how they are implemented ?
> (some call them Xorg modules)

Hmm, what do you mean? They are drivers for various pieces of
hardware. Some map the memory and registers of the hardware and
operate on them directly while others rely on some kernel abstraction
(for example xserver-xorg-video-fbdev opens /dev/fb0 and uses ioctls
on that).