
   Videoblaster SE100 driver by Kate Alhola
   Copyright Kate Alhola 1995
   kate@nic.funet.fi


   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2, as
   published by the Free Software Foundation.

   This program is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 675 Mass Ave, Cambridge MA 02139, USA.


   This program is based solely to publicly avaiable databook 
   information about philips chipset.

   Supports chipset:
   SAA7195A   Video memory controller
   SAA7165    Video Enchancement D/A processor ( VEDA2 )
   SAA7110    One Chip Frontend 1 (OFC1)
   TDA4686    Video Processor with automatic cut-off and white level controll

   This code does not contain any parts of proprierary information.

   Version 0.1

	This version is early beta, it is not yet made as a driver
	module, it ise just utility to configure and access the board.
	Because it needs to have access to protected resources
	io-space and physical memory space, it must be run with
	root perevillages.

	This version DOES NOT SUPPORT NTSC, i does not have any NTSC
	stuff, so ican't implement or test NTSC initialization 
	register values.


   Compiling:
	you need to have netpbm package and then just say make



   Usage


	-1  select video source 1
	-2  select video source 2
	-c  capture and write result in ppm format to stdout
	-r  dump vmc regs
 	-I  Initialize vmc
	-f  freeze picture, may be usefull with -c
	-u  unfreeze picture
	-p x,y  set video window position on screen
	-s h,w  set wideo window size ( 0,0 ) makes it disappear

	Following ones just for hackers and sofware testers

	-m  dump video memory in hex
	-i  initialize video memory with certain value
	-t  id,loc I2C read location
	-D  id,loc I2C register dump
	-w  id,loc,val I2C reg write
	-d
	-n

