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 * 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 */

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