blob: a219688006fe15174ded14c392ac9b9a2196fbcb [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
* Anybus-S client adapter definitions
* Copyright 2018 Arcx Inc
#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 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);
void (*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);
struct anybuss_memcfg {
u16 input_io;
u16 input_dpram;
u16 input_total;
u16 output_io;
u16 output_dpram;
u16 output_total;
enum fieldbus_dev_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__ */