/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Anybus-S client adapter definitions
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*
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* Copyright 2018 Arcx Inc
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*/
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#ifndef __LINUX_ANYBUSS_CLIENT_H__
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#define __LINUX_ANYBUSS_CLIENT_H__
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#include <linux/device.h>
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#include <linux/types.h>
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#include <linux/poll.h>
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/* move to <linux/fieldbus_dev.h> when taking this out of staging */
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#include "../fieldbus_dev.h"
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struct anybuss_host;
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struct anybuss_client {
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struct device dev;
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struct anybuss_host *host;
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__be16 anybus_id;
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/*
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* these can be optionally set by the client to receive event
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* notifications from the host.
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*/
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void (*on_area_updated)(struct anybuss_client *client);
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void (*on_online_changed)(struct anybuss_client *client, bool online);
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};
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struct anybuss_client_driver {
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struct device_driver driver;
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int (*probe)(struct anybuss_client *adev);
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int (*remove)(struct anybuss_client *adev);
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u16 anybus_id;
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};
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int anybuss_client_driver_register(struct anybuss_client_driver *drv);
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void anybuss_client_driver_unregister(struct anybuss_client_driver *drv);
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static inline struct anybuss_client *to_anybuss_client(struct device *dev)
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{
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return container_of(dev, struct anybuss_client, dev);
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}
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static inline struct anybuss_client_driver *
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to_anybuss_client_driver(struct device_driver *drv)
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{
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return container_of(drv, struct anybuss_client_driver, driver);
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}
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static inline void *
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anybuss_get_drvdata(const struct anybuss_client *client)
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{
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return dev_get_drvdata(&client->dev);
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}
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static inline void
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anybuss_set_drvdata(struct anybuss_client *client, void *data)
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{
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dev_set_drvdata(&client->dev, data);
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}
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int anybuss_set_power(struct anybuss_client *client, bool power_on);
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struct anybuss_memcfg {
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u16 input_io;
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u16 input_dpram;
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u16 input_total;
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u16 output_io;
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u16 output_dpram;
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u16 output_total;
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enum fieldbus_dev_offl_mode offl_mode;
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};
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int anybuss_start_init(struct anybuss_client *client,
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const struct anybuss_memcfg *cfg);
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int anybuss_finish_init(struct anybuss_client *client);
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int anybuss_read_fbctrl(struct anybuss_client *client, u16 addr,
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void *buf, size_t count);
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int anybuss_send_msg(struct anybuss_client *client, u16 cmd_num,
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const void *buf, size_t count);
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int anybuss_send_ext(struct anybuss_client *client, u16 cmd_num,
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const void *buf, size_t count);
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int anybuss_recv_msg(struct anybuss_client *client, u16 cmd_num,
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void *buf, size_t count);
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/* these help clients make a struct file_operations */
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int anybuss_write_input(struct anybuss_client *client,
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const char __user *buf, size_t size,
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loff_t *offset);
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int anybuss_read_output(struct anybuss_client *client,
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char __user *buf, size_t size,
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loff_t *offset);
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#endif /* __LINUX_ANYBUSS_CLIENT_H__ */
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