Re: newbie question

[Antonino Daplas <adaplas@pol.net>]

On Mon, 2003-03-10 at 01:21, ayachi gherissi wrote:
> 
> hi  i'm newbie in framebuffer driver development
> 
> i have a graphics card siliconmotion 721 (Lynx3DM) i want to make the framebuffer driver i get the spec of the card
> 
> i take cyber2000fb driver and i start modifying it
> 
> 
> i activate pci burst 
>     enable linear memory
>     get memory size
>     calculate vclck
>     calculate mclck  
> 
> i know that each hardware is specfic
> my question is
> what other general steps related to hardware
> must i done to get things work
> 

You also need to modify the registers that determines the video mode
(ie, 1024x768 at 85 Hz), the type of colorspace (RGB, 8, 16, 24, 32
bit/pseudocolor, truecolor, directcolor etc), and the hardware color
look-up table (if using pseudocolor, directcolor).

Tony




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