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
  24 struct 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
  32 int input_mapper_add(struct list_head *mappers, struct imapper *entry,
  33                      int (*map_op)(void *, struct imapper *), void *data);
  34
  35 int input_mapper_delete(struct list_head *mappers, struct imapper *entry,
  36                      int (*map_op)(void *, struct imapper *), void *data);
  37
  38 void free_input_mapper_list(struct list_head *mappers);
  39
  40 #endif /* CTIMAP_H */