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/*
* FSI master definitions. These comprise the core <--> master interface,
* to allow the core to interact with the (hardware-specific) masters.
*
* Copyright (C) IBM Corporation 2016
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef DRIVERS_FSI_MASTER_H
#define DRIVERS_FSI_MASTER_H
#include <linux/device.h>
#define FSI_MASTER_FLAG_SWCLOCK 0x1
struct fsi_master {
struct device dev;
int idx;
int n_links;
int flags;
int (*read)(struct fsi_master *, int link, uint8_t id,
uint32_t addr, void *val, size_t size);
int (*write)(struct fsi_master *, int link, uint8_t id,
uint32_t addr, const void *val, size_t size);
int (*term)(struct fsi_master *, int link, uint8_t id);
int (*send_break)(struct fsi_master *, int link);
int (*link_enable)(struct fsi_master *, int link);
};
#define dev_to_fsi_master(d) container_of(d, struct fsi_master, dev)
extern int fsi_master_register(struct fsi_master *master);
extern void fsi_master_unregister(struct fsi_master *master);
extern int fsi_master_rescan(struct fsi_master *master);
#endif /* DRIVERS_FSI_MASTER_H */
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