vgafb_mapregs
if (vgafb_mapregs(sc, pa))
int vgafb_mapregs(struct vgafb_softc *, struct pci_attach_args *);
if (vgafb_mapregs(sc, pa))
int vgafb_mapregs(struct vgafb_softc *, struct pci_attach_args *);