LXR linux/sound/pci/ctxfi/ctimap.h

   1/**
   2 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
   3 *
   4 * This source file is released under GPL v2 license (no other versions).
   5 * See the COPYING file included in the main directory of this source
   6 * distribution for the license terms and conditions.
   7 *
   8 * @File        ctimap.h
   9 *
  10 * @Brief
  11 * This file contains the definition of generic input mapper operations
  12 * for input mapper management.
  13 *
  14 * @Author      Liu Chun
  15 * @Date        May 23 2008
  16 *
  17 */
  18
  19#ifndef CTIMAP_H
  20#define CTIMAP_H
  21
  22#include <linux/list.h>
  23
  24struct imapper {
  25        unsigned short slot; /* the id of the slot containing input data */
  26        unsigned short user; /* the id of the user resource consuming data */
  27        unsigned short addr; /* the input mapper ram id */
  28        unsigned short next; /* the next input mapper ram id */
  29        struct list_head        list;
  30};
  31
  32int input_mapper_add(struct list_head *mappers, struct imapper *entry,
  33                     int (*map_op)(void *, struct imapper *), void *data);
  34
  35int input_mapper_delete(struct list_head *mappers, struct imapper *entry,
  36                     int (*map_op)(void *, struct imapper *), void *data);
  37
  38void free_input_mapper_list(struct list_head *mappers);
  39
  40#endif /* CTIMAP_H */
  41