Tomek,
Thanks thats exactly the info I was looking for. There is even an example of
mapping a pci framebuffer.
I appreciate it
Adam
At 04:18 PM 11/4/99 +0100, Tomasz Motylewski wrote:
>On Thu, 4 Nov 1999, Adam Meyerowitz wrote:
>
>> Are you implying that instead of using mmap on /dev/mem in the rtlinux
module
>> I should be using /dev/fb0 and then do a mmap on that. Someone suggested
>
>NOOOOOO !!!!!!!!
>
>> using
>> ioremap in the module but that appears to act on io space which is not what
>> I want.
>
>Video card is IO space ! This is memory mapped IO.
>
>You can not use user system calls in the kernel, I am very suprised that this
>mmap function resolved in the kernel module at all. Use ioremap and read
>/usr/src/linux/Documentation/IO-mapping.txt
>
>--
>Tomek
>
>
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