2017-06-07 05:08:36 +08:00
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/*
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* FSI master definitions. These comprise the core <--> master interface,
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* to allow the core to interact with the (hardware-specific) masters.
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*
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* Copyright (C) IBM Corporation 2016
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef DRIVERS_FSI_MASTER_H
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#define DRIVERS_FSI_MASTER_H
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#include <linux/device.h>
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2017-06-07 05:08:58 +08:00
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#define FSI_MASTER_FLAG_SWCLOCK 0x1
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2017-06-07 05:08:36 +08:00
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struct fsi_master {
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struct device dev;
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int idx;
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int n_links;
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int flags;
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int (*read)(struct fsi_master *, int link, uint8_t id,
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uint32_t addr, void *val, size_t size);
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int (*write)(struct fsi_master *, int link, uint8_t id,
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uint32_t addr, const void *val, size_t size);
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int (*term)(struct fsi_master *, int link, uint8_t id);
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int (*send_break)(struct fsi_master *, int link);
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int (*link_enable)(struct fsi_master *, int link);
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};
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#define dev_to_fsi_master(d) container_of(d, struct fsi_master, dev)
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extern int fsi_master_register(struct fsi_master *master);
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extern void fsi_master_unregister(struct fsi_master *master);
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#endif /* DRIVERS_FSI_MASTER_H */
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