I know there are some tools to do this but i dont know what r they
umm.. ok wait I know this one, my friend has it I've used it before. Its for plugging in Cable for watching TV on your laptop and it can also be used for other things including video games. A TV Tuner was it? I'm sorry Im really no help.
i dno about a lap top but i found a way to get one on my desktop
http://www.newegg.com/Product/Product.asp?Item=N82E16815123001
or you could look at my thread i made awile ago
Not all dvd drives on the pc will read some ps2 discs (like that black or blue ones) The ps one emulators work great though