linux/drivers/staging/fieldbus/anybuss/anybuss-client.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Anybus-S client adapter definitions
 *
 * Copyright 2018 Arcx Inc
 */

#ifndef __LINUX_ANYBUSS_CLIENT_H__
#define __LINUX_ANYBUSS_CLIENT_H__

#include <linux/device.h>
#include <linux/types.h>
#include <linux/poll.h>

/* move to <linux/fieldbus_dev.h> when taking this out of staging */
#include "../fieldbus_dev.h"

struct anybuss_host;

struct anybuss_client { … };

struct anybuss_client_driver { … };

int anybuss_client_driver_register(struct anybuss_client_driver *drv);
void anybuss_client_driver_unregister(struct anybuss_client_driver *drv);

static inline struct anybuss_client *to_anybuss_client(struct device *dev)
{ … }

#define to_anybuss_client_driver(__drv) …

static inline void *
anybuss_get_drvdata(const struct anybuss_client *client)
{ … }

static inline void
anybuss_set_drvdata(struct anybuss_client *client, void *data)
{ … }

int anybuss_set_power(struct anybuss_client *client, bool power_on);

struct anybuss_memcfg { … };

int anybuss_start_init(struct anybuss_client *client,
		       const struct anybuss_memcfg *cfg);
int anybuss_finish_init(struct anybuss_client *client);
int anybuss_read_fbctrl(struct anybuss_client *client, u16 addr,
			void *buf, size_t count);
int anybuss_send_msg(struct anybuss_client *client, u16 cmd_num,
		     const void *buf, size_t count);
int anybuss_send_ext(struct anybuss_client *client, u16 cmd_num,
		     const void *buf, size_t count);
int anybuss_recv_msg(struct anybuss_client *client, u16 cmd_num,
		     void *buf, size_t count);

/* these help clients make a struct file_operations */
int anybuss_write_input(struct anybuss_client *client,
			const char __user *buf, size_t size,
				loff_t *offset);
int anybuss_read_output(struct anybuss_client *client,
			char __user *buf, size_t size,
				loff_t *offset);

#endif /* __LINUX_ANYBUSS_CLIENT_H__ */