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