I have spotted that the DaVinci driver uses the following ioctls: FBIO_SETPOS.
I have also spotted that in some documentation they state that FBIO_SETPOSX/Y
are part of the FBDEV standard (see
http://focus.ti.com/lit/an/spraan0/spraan0.pdf)
Does anyone know if these IOCTLs are part of the FBDEV standard. I would love
to use them but am not sure about inventing my own custom IOCTLs for what is
currently a standard Framebuffer device. If these ioctls are part of the FBDev
standard (how can I check) then i would obviously be interested in using them
I hope you can help me out.
Cheers
DanDaniel [EMAIL PROTECTED]
> Date: Fri, 4 Jan 2008 21:00:53 +0100> From: [EMAIL PROTECTED]> To: [EMAIL
> PROTECTED]> CC: directfb-dev@directfb.org> Subject: Re: [directfb-dev]
> Writing a new GFX driver.> > [EMAIL PROTECTED] wrote:> > Thankyou,> > > > To
> give a few more details on my system. We currently have a 12MB area of> >
> memory which is used by 2 framebuffers with some spare GFX memory in> >
> between> > for off screen surfaces. like this:> > > > <- 12MB ->> > | FB0 |
> spare | FB1 |> > > > If I want to use a driver based on the davinci driver
> then I presume that> > the devmem system should be pointed at the middle
> spare area. So> > VideoPhysAddr should be end of FB0 and length should be the
> size of the> > spare area.> > > > Then surfaces for FB0 can be assigned from
> FB0 memory space and other> > surfaces will be assigned from the spare area.>
> > Correct.> > -- > Best regards,> Denis Oliver Kropp> >
> .------------------------------------------.> | DirectFB - Hardware
> accelerated graphics |> | http://www.directfb.org/ |>
> "------------------------------------------"> >
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