-int nsi_init_obj_data(struct chip_t *chip, int objnr);
-void nsi_write_register(unsigned char data, unsigned long address);
-unsigned nsi_read_register(unsigned long address);
+int nsi_init_obj_data(struct canchip_t *chip, int objnr);
+void nsi_write_register(unsigned data, can_ioptr_t address);
+unsigned nsi_read_register(can_ioptr_t address);