In a medium bowl, mix together the oats, flours, baking powder, cinnamon and salt.
In a large bowl, cream together the butter and sugars until light and fluffy. Add the vanilla and eggs and mix well. Stir in the oat mixture and mix well.
Stir in the raisins and walnuts.
Drop by tablespoonfuls onto a cookie sheet 2 inches apart.
Bake for 10-12 minutes, or until golden. Cool on cookie sheet for 5 minutes, then allow to cool completely on wire racks.