-static int tcx_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int tcx_ioctl(struct inode *, struct file *, unsigned int,
- unsigned long, struct fb_info *);
+static int tcx_mmap(struct fb_info *, struct vm_area_struct *);
+static int tcx_ioctl(struct fb_info *, unsigned int, unsigned long);
+static int tcx_pan_display(struct fb_var_screeninfo *, struct fb_info *);