summaryrefslogtreecommitdiffstats
path: root/sound/pci/ctxfi/ctimap.h
blob: 53ccf9be8b682614d77b32a3f82e7bf5f4a28996 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
/**
 * 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 */
OpenPOWER on IntegriCloud