1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. |
4 | * |
5 | * @File ctimap.h |
6 | * |
7 | * @Brief |
8 | * This file contains the definition of generic input mapper operations |
9 | * for input mapper management. |
10 | * |
11 | * @Author Liu Chun |
12 | * @Date May 23 2008 |
13 | */ |
14 | |
15 | #ifndef CTIMAP_H |
16 | #define CTIMAP_H |
17 | |
18 | #include <linux/list.h> |
19 | |
20 | struct imapper { |
21 | unsigned short slot; /* the id of the slot containing input data */ |
22 | unsigned short user; /* the id of the user resource consuming data */ |
23 | unsigned short addr; /* the input mapper ram id */ |
24 | unsigned short next; /* the next input mapper ram id */ |
25 | struct list_head list; |
26 | }; |
27 | |
28 | int input_mapper_add(struct list_head *mappers, struct imapper *entry, |
29 | int (*map_op)(void *, struct imapper *), void *data); |
30 | |
31 | int input_mapper_delete(struct list_head *mappers, struct imapper *entry, |
32 | int (*map_op)(void *, struct imapper *), void *data); |
33 | |
34 | void free_input_mapper_list(struct list_head *mappers); |
35 | |
36 | #endif /* CTIMAP_H */ |
37 | |