xref: /kernel/linux/linux-5.10/sound/pci/ctxfi/ctimap.h (revision 8c2ecf20)
18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */
28c2ecf20Sopenharmony_ci/**
38c2ecf20Sopenharmony_ci * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
48c2ecf20Sopenharmony_ci *
58c2ecf20Sopenharmony_ci * @File	ctimap.h
68c2ecf20Sopenharmony_ci *
78c2ecf20Sopenharmony_ci * @Brief
88c2ecf20Sopenharmony_ci * This file contains the definition of generic input mapper operations
98c2ecf20Sopenharmony_ci * for input mapper management.
108c2ecf20Sopenharmony_ci *
118c2ecf20Sopenharmony_ci * @Author	Liu Chun
128c2ecf20Sopenharmony_ci * @Date 	May 23 2008
138c2ecf20Sopenharmony_ci */
148c2ecf20Sopenharmony_ci
158c2ecf20Sopenharmony_ci#ifndef CTIMAP_H
168c2ecf20Sopenharmony_ci#define CTIMAP_H
178c2ecf20Sopenharmony_ci
188c2ecf20Sopenharmony_ci#include <linux/list.h>
198c2ecf20Sopenharmony_ci
208c2ecf20Sopenharmony_cistruct imapper {
218c2ecf20Sopenharmony_ci	unsigned short slot; /* the id of the slot containing input data */
228c2ecf20Sopenharmony_ci	unsigned short user; /* the id of the user resource consuming data */
238c2ecf20Sopenharmony_ci	unsigned short addr; /* the input mapper ram id */
248c2ecf20Sopenharmony_ci	unsigned short next; /* the next input mapper ram id */
258c2ecf20Sopenharmony_ci	struct list_head	list;
268c2ecf20Sopenharmony_ci};
278c2ecf20Sopenharmony_ci
288c2ecf20Sopenharmony_ciint input_mapper_add(struct list_head *mappers, struct imapper *entry,
298c2ecf20Sopenharmony_ci		     int (*map_op)(void *, struct imapper *), void *data);
308c2ecf20Sopenharmony_ci
318c2ecf20Sopenharmony_ciint input_mapper_delete(struct list_head *mappers, struct imapper *entry,
328c2ecf20Sopenharmony_ci		     int (*map_op)(void *, struct imapper *), void *data);
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_civoid free_input_mapper_list(struct list_head *mappers);
358c2ecf20Sopenharmony_ci
368c2ecf20Sopenharmony_ci#endif /* CTIMAP_H */
37