How to open the add media dialogue it in a certain state / tab?

Suppose you want to open the modal to the create gallery section:

var options = {
frame: 'post',
       state: 'gallery',
       title: wp.media.view.l10n.createGalleryTitle,
       multiple: true
};

var frame = wp.media.editor.open(null,options)

If you want something else, I suggest you search through the core js source to change the Library ID as appropriate for the section you need.