[ltp] TV out and Neomagic chipset

Antiphon linux-thinkpad@linux-thinkpad.org
Fri, 20 Feb 2004 01:47:49 -0500


The problem is that the video card the 600 series uses has such a small amount 
of VRAM that not enough has been reserved for xv overlay. Put the following 
line into your /etc/X11/XF86Config-4 in the Neomagic section:

Option "OverlayMem" "829440"



On Monday, January 26, 2004 11:51 am, Michelle Klein-Hass wrote:
> >Hello,
> >
> >I know thats quite unsupported but I have this combination in my 390E
> >thinkpad. Also I know that this is on 600 series.
> >
> >I started to develop drivers for TV out.
> >
> >What I have done:
> >
> >1) I have isolated the part of the windows driver responsible to handle
> >TVout
> >2) I know how the TV api works
> >3) I have written a loader to load the driver into memory and use VM86
> >     to run it. And I tried to call some functions so its working.
> >
> >4) the binary version of windows driver part is 100% same for Thinkpad
> >390e also same for 600e
> >5) The windows 98 driver uses VESA VBE 0x4f14 calls so it may work with
> >others too.
> >6) The thinkpad I have has chrontel 7003 TV encoder.
> >7) Someone forgot codeview information in the driver.
> >
> >
> >Future development:
> >1) get this working
> >2) write version without the windows driver using VESA calls
> >3) Avoid vesa calls and do it on register level
>
> There seems to be a problem with the standard Neomagic video driver
> for XFree86 that makes Xine puke. Well, it doesn't puke so much as
> show a vivid blue screen while the audio plays. I am trying to get
> VCDs to work under Knoppix 3.3 (some November release, I think) on my
> 600e. TV out would be nice but I would like to get video overlay
> support. Video overlay works swimmingly under Windows 2000 and I can
> watch 1.1-compliant VCDs until the cows come home. (WiMP doesn't play
> VCD 2.0-encoded VCDs.)
>
> Do you know how to get this working under Linux?
>
> -.\\<-H-