236 struct videocodec {  struct
245 	struct videocodec_master *master_data;  argument
252 	int (*setup)(struct videocodec *codec);  argument
253 	int (*unset)(struct videocodec *codec);  argument
257 	int (*set_mode)(struct videocodec *codec, int mode);  argument
259 	int (*set_video)(struct videocodec *codec, const struct tvnorm *norm,  argument
262 	int (*control)(struct videocodec *codec, int type, int size, void *data);  argument
266 	int (*setup_interrupt)(struct videocodec *codec, long mode);  argument
267 	int (*handle_interrupt)(struct videocodec *codec, int source, long flag);  argument
269 	long (*put_image)(struct videocodec *codec, int tr_type, int block,  argument
271 	long (*get_image)(struct videocodec *codec, int tr_type, int block,  argument