From: Steffen Seeger <s.seeger@physik.tu-chemnitz.de>
  To  : ggi-develop@eskimo.com
  Date: Mon, 12 Apr 1999 10:23:38 +0200 (MEST)

Re: GGI feature connector amd I2C support? (fwd)

> 
> 
> --
> Steve Cheng
> 
> email: steve@ggi-project.org
> www: <http://shell.ipoline.com/~elmert/>;
> 
> ---------- Forwarded message ----------
> Date: Fri, 9 Apr 1999 12:44:31 +0100 
> From: Gary Sands <gsands@stbni.co.uk>
> To: "'webmaster@ggi-project.org'" <webmaster@ggi-project.org>
> Subject: GGI feature connector amd I2C support?
> 
> Hi,
> 	I've been looking over the GGI documentation over the last couple of
> days and I am interested to know if there are plans to implement device
> independent feature connector video port support and I2C bus support (for
> DDC, PanelLink control and multimedia devices) in KGI? If so, how could
> kernel drivers for video overlay devices be stacked on this support?
> 
> 	Thanks in advance,
> 	Gary

These are going to be supported by kgi_display specific (permanent,
in the contrast to mode-dependent) kgi_resources. These are not yet
defined in kgi.h.

Basically we'll have to define a new resource, e.g.

typdef enum kgi_resource_type
{
	...
	KGI_RT_INTERFACE	= 0x20000000,
		KGI_RT_DDC,
		KGI_RT_VMI,
	...
};

and a corresponding resource struct

typedef struct
{
	... interface information
	... management functions
	... setup functions

} kgi_vmi_interface;

However, it's hard to get documentation on the parts at the other
side of the bus (e.g. MPEG decodes etc.)...

> -------------------------------------------
> Gary Sands (gsands@stbni.co.uk)
> Senior Software Engineer, STB Systems Inc.
> Tel: +44 (0)1232 258407, Fax: +44 (0)1232 319970

			Steffen

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