+void sisusb_delete(struct kref *kref);
+int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data);
+int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data);
+int sisusb_copy_memory(struct sisusb_usb_data *sisusb, char *src,
+ u32 dest, int length, size_t *bytes_written);
+int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init);
+int sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot,
+ u8 *arg, int cmapsz, int ch512, int dorecalc,
+ struct vc_data *c, int fh, int uplock);
+void sisusb_set_cursor(struct sisusb_usb_data *sisusb, unsigned int location);
+int sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last);
+void sisusb_console_exit(struct sisusb_usb_data *sisusb);
+void sisusb_init_concode(void);
+