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Re: X on an Indy

On Thu, Apr 27, 2000 at 02:34:25AM -0700, Ulf Carlsson wrote:
> > > AFAIK the Indy/SGI Graphics Cards are even less/more - They dont present
> > > a memory block to the OS but only an OpenGL pipe. But i havnt
> > > had a look at it.
> > > 
> > > The "Indy" console (Which is only available for the kernel) is
> > > based on the Prom - Therefor it is called "promcon.c" - There is
> > > a ARC Firmware callback for getting and printing characters.
> > > See arch/mips/arc/promcon.c and arch/mips/sgi/kernel/promcon.c or
> > > something. 
> This is what you're using for the Indigo.  We have specifications for the
> newport chipset that can be found in most Indys.  You can do a lot of things
> with the newport chipset such as DMA transfers directly from memory.  For the
> newport console that's in drivers/char/video currently use a method where we
> set a window with the size of a character and then repeatedly set a register
> on the newport to different color values.  There are also functionality for
> drawing lines and some other goodies built in.  A framebuffer could be
> emulated, but it would be rather slow.
Is the documentation for the newport available somewhere or are the
kernel sources the only reference?
 -- Guido


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