linux/sound/pci/ctxfi/ctresource.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * @File	ctresource.h
 *
 * @Brief
 * This file contains the definition of generic hardware resources for
 * resource management.
 *
 * @Author	Liu Chun
 * @Date 	May 13 2008
 */

#ifndef CTRESOURCE_H
#define CTRESOURCE_H

#include <linux/types.h>

enum RSCTYP { … };

struct rsc_ops;

struct rsc { … };

struct rsc_ops { … };

int
rsc_init(struct rsc *rsc, u32 idx, enum RSCTYP type, u32 msr, struct hw *hw);
int rsc_uninit(struct rsc *rsc);

struct rsc_mgr { … };

/* Resource management is based on bit-map mechanism */
int rsc_mgr_init(struct rsc_mgr *mgr, enum RSCTYP type,
		 unsigned int amount, struct hw *hw);
int rsc_mgr_uninit(struct rsc_mgr *mgr);
int mgr_get_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int *ridx);
int mgr_put_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int idx);

#endif /* CTRESOURCE_H */