/* SPDX-License-Identifier: GPL-2.0-or-later */


#ifndef __DRIVERS_FRAMER_H
#define __DRIVERS_FRAMER_H

#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/of.h>
#include <linux/device.h>
#include <linux/workqueue.h>


enum framer_iface {
	FRAMER_IFACE_E1,
	FRAMER_IFACE_T1,
};


enum framer_clock_type {
	FRAMER_CLOCK_EXT,
	FRAMER_CLOCK_INT,
};


struct framer_config {
	enum framer_iface iface;
	enum framer_clock_type clock_type;
	unsigned long line_clock_rate;
};


struct framer_status {
	bool link_is_on;
};


enum framer_event {
	FRAMER_EVENT_STATUS,
};


struct framer {
	struct device			dev;
	int				id;
	const struct framer_ops		*ops;
	struct mutex			mutex;	
	int				init_count;
	int				power_count;
	struct regulator		*pwr;
	struct work_struct		notify_status_work;
	struct blocking_notifier_head	notifier_list;
	struct delayed_work		polling_work;
	struct framer_status		prev_status;
};

#if IS_ENABLED(CONFIG_GENERIC_FRAMER)
int framer_pm_runtime_get(struct framer *framer);
int framer_pm_runtime_get_sync(struct framer *framer);
void framer_pm_runtime_put(struct framer *framer);
int framer_pm_runtime_put_sync(struct framer *framer);
int framer_init(struct framer *framer);
int framer_exit(struct framer *framer);
int framer_power_on(struct framer *framer);
int framer_power_off(struct framer *framer);
int framer_get_status(struct framer *framer, struct framer_status *status);
int framer_get_config(struct framer *framer, struct framer_config *config);
int framer_set_config(struct framer *framer, const struct framer_config *config);
int framer_notifier_register(struct framer *framer, struct notifier_block *nb);
int framer_notifier_unregister(struct framer *framer, struct notifier_block *nb);

struct framer *framer_get(struct device *dev, const char *con_id);
void framer_put(struct device *dev, struct framer *framer);

struct framer *devm_framer_get(struct device *dev, const char *con_id);
struct framer *devm_framer_optional_get(struct device *dev, const char *con_id);
#else
static inline int framer_pm_runtime_get(struct framer *framer)
{
	return -ENOSYS;
}

static inline int framer_pm_runtime_get_sync(struct framer *framer)
{
	return -ENOSYS;
}

static inline void framer_pm_runtime_put(struct framer *framer)
{
}

static inline int framer_pm_runtime_put_sync(struct framer *framer)
{
	return -ENOSYS;
}

static inline int framer_init(struct framer *framer)
{
	return -ENOSYS;
}

static inline int framer_exit(struct framer *framer)
{
	return -ENOSYS;
}

static inline int framer_power_on(struct framer *framer)
{
	return -ENOSYS;
}

static inline int framer_power_off(struct framer *framer)
{
	return -ENOSYS;
}

static inline int framer_get_status(struct framer *framer, struct framer_status *status)
{
	return -ENOSYS;
}

static inline int framer_get_config(struct framer *framer, struct framer_config *config)
{
	return -ENOSYS;
}

static inline int framer_set_config(struct framer *framer, const struct framer_config *config)
{
	return -ENOSYS;
}

static inline int framer_notifier_register(struct framer *framer,
					   struct notifier_block *nb)
{
	return -ENOSYS;
}

static inline int framer_notifier_unregister(struct framer *framer,
					     struct notifier_block *nb)
{
	return -ENOSYS;
}

static inline struct framer *framer_get(struct device *dev, const char *con_id)
{
	return ERR_PTR(-ENOSYS);
}

static inline void framer_put(struct device *dev, struct framer *framer)
{
}

static inline struct framer *devm_framer_get(struct device *dev, const char *con_id)
{
	return ERR_PTR(-ENOSYS);
}

static inline struct framer *devm_framer_optional_get(struct device *dev, const char *con_id)
{
	return NULL;
}

#endif

#endif 
