Re: [Linux-fbdev-devel] 3DFX mmio code to test with

[Ani J. <aj...@sh...>]

Ah, it seems I never paid much attention to mmio and /dev/fb.  So is this
the suggested use rather then /dev/mem?


ani

On Fri, 3 May 2002, Geert Uytterhoeven wrote:

> On Thu, 2 May 2002, Ani Joshi wrote:
> > After further looking at your code, it seems you are mmaping /dev/fb for
> > your MMIO.  Is this even possible?  Shouldn't you be mapping /dev/mem?
> > Has someone changed the fbdev layer so you can mmap mmio via /dev/fb?
>
> That change was made many years ago :-)
>
> You have the frame buffer at offset 0...fix.smem_len-1, and the MMIO at
> fix.smem_len...fix.smem_len+fix.mmio_len-1.
>
> Gr{oetje,eeting}s,
>
> 						Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> 							    -- Linus Torvalds
>