Since signing from Hereford for £75,000 in January 2004 he has made 191 league appearances for the Bluebirds, netting 24 goals and has 11 Welsh caps.
The midfielder can play on both flanks or in the centre. He will wear the number 17 shirt which was previously worn by Brett Ormerod. It will be the same number he had a Cardidff.
Further discussions are taking place with a second midfielder Velice Sumulikoski £400,000 transfer from Ipswich.
Karl Hawley has joined Notts County for a undisclosed fee on a three year contract.
He was signed on a free transfer by former manager Paul Simpson who had returned to his former club. He had scored 3 goals from 30 matches.