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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 */ |