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/* 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>
struct anybuss_host;
struct anybuss_client {
struct device dev;
struct anybuss_host *host;
__be16 anybus_id;
/*
* these can be optionally set by the client to receive event
* notifications from the host.
*/
void (*on_area_updated)(struct anybuss_client *client);
void (*on_online_changed)(struct anybuss_client *client, bool online);
};
struct anybuss_client_driver {
struct device_driver driver;
int (*probe)(struct anybuss_client *adev);
int (*remove)(struct anybuss_client *adev);
u16 anybus_id;
};
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)
{
return container_of(dev, struct anybuss_client, dev);
}
static inline struct anybuss_client_driver *
to_anybuss_client_driver(struct device_driver *drv)
{
return container_of(drv, struct anybuss_client_driver, driver);
}
static inline void *
anybuss_get_drvdata(const struct anybuss_client *client)
{
return dev_get_drvdata(&client->dev);
}
static inline void
anybuss_set_drvdata(struct anybuss_client *client, void *data)
{
dev_set_drvdata(&client->dev, data);
}
int anybuss_set_power(struct anybuss_client *client, bool power_on);
enum anybuss_offl_mode {
AB_OFFL_MODE_CLEAR = 0,
AB_OFFL_MODE_FREEZE,
AB_OFFL_MODE_SET
};
struct anybuss_memcfg {
u16 input_io;
u16 input_dpram;
u16 input_total;
u16 output_io;
u16 output_dpram;
u16 output_total;
enum anybuss_offl_mode offl_mode;
};
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__ */
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