Re: how to map display card registers into userspace

On Wed, 17 May 2006, Jiao wrote:
> anybody know how to map hardware register of display cards into userspace

If the card has a frame buffer device driver, you can mmap() /dev/fbX, offset
fb_fix_screeninfo.smem_len, size fb_fix_screeninfo.mmio_len.

Else you have to mmap() /dev/mem.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

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


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