driver doubt

[Conke Hu]

On 5/17/07, Alex Deucher <alexdeucher at gmail.com> wrote:
> On 5/16/07, Felipe Roquette <roquette.felipe at gmail.com> wrote:
> > Hi all,
> >
> > Newbie doubt.
> >
> > I am trying to understand how drivers work in X.
> >
> > a device driver is a program to interact to/control a hardware.
> > nvidia, ati etc provide closed graphic drivers.
> >  are those drivers specific to X?
> > does those drivers implements all hardware capability?
> > does these companies provide a manual for their drivers? or this is not
> > necessary?
> >
>
> First you should understand how the hardware works.  Once you have a
> grasp on that, you can look into how access to the hardware is
> implemented.  Few drivers implement the full capability of the
> hardware for a variety of reasons.  Some vendors provide source code
> or databooks for their hardware, others do not.  Your best source of
> <snip>

which vendors provide databook for their hardware?
Intel publishes the databook of chipset without that of graphics, doesn't it?

regards,
Conke