/**
   * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   *
   * This source file is released under GPL v2 license (no other versions).
   * See the COPYING file included in the main directory of this source
   * distribution for the license terms and conditions.
   *
   * @File	ctimap.h
   *
   * @Brief
   * This file contains the definition of generic input mapper operations
   * for input mapper management.
   *
   * @Author	Liu Chun
   * @Date 	May 23 2008
   *
   */
  
  #ifndef CTIMAP_H
  #define CTIMAP_H
  
  #include <linux/list.h>
  
  struct imapper {
  	unsigned short slot; /* the id of the slot containing input data */
  	unsigned short user; /* the id of the user resource consuming data */
  	unsigned short addr; /* the input mapper ram id */
  	unsigned short next; /* the next input mapper ram id */
  	struct list_head	list;
  };
  
  int input_mapper_add(struct list_head *mappers, struct imapper *entry,
  		     int (*map_op)(void *, struct imapper *), void *data);
  
  int input_mapper_delete(struct list_head *mappers, struct imapper *entry,
  		     int (*map_op)(void *, struct imapper *), void *data);
  
  void free_input_mapper_list(struct list_head *mappers);
  
  #endif /* CTIMAP_H */