linux/drivers/regulator/internal.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * internal.h  --  Voltage/Current Regulator framework internal code
 *
 * Copyright 2007, 2008 Wolfson Microelectronics PLC.
 * Copyright 2008 SlimLogic Ltd.
 *
 * Author: Liam Girdwood <[email protected]>
 */

#ifndef __REGULATOR_INTERNAL_H
#define __REGULATOR_INTERNAL_H

#include <linux/suspend.h>

#define REGULATOR_STATES_NUM …

#define rdev_crit(rdev, fmt, ...) …
#define rdev_err(rdev, fmt, ...) …
#define rdev_warn(rdev, fmt, ...) …
#define rdev_info(rdev, fmt, ...) …
#define rdev_dbg(rdev, fmt, ...) …

struct regulator_voltage { … };

/*
 * struct regulator
 *
 * One for each consumer device.
 * @voltage - a voltage array for each state of runtime, i.e.:
 *            PM_SUSPEND_ON
 *            PM_SUSPEND_TO_IDLE
 *            PM_SUSPEND_STANDBY
 *            PM_SUSPEND_MEM
 *            PM_SUSPEND_MAX
 */
struct regulator { … };

extern const struct class regulator_class;

static inline struct regulator_dev *dev_to_rdev(struct device *dev)
{ … }

#ifdef CONFIG_OF
struct regulator_dev *of_find_regulator_by_node(struct device_node *np);
struct regulator_init_data *regulator_of_get_init_data(struct device *dev,
			         const struct regulator_desc *desc,
				 struct regulator_config *config,
				 struct device_node **node);

struct regulator_dev *of_parse_coupled_regulator(struct regulator_dev *rdev,
						 int index);

int of_get_n_coupled(struct regulator_dev *rdev);

bool of_check_coupling_data(struct regulator_dev *rdev);

#else
static inline struct regulator_dev *
of_find_regulator_by_node(struct device_node *np)
{
	return NULL;
}

static inline struct regulator_init_data *
regulator_of_get_init_data(struct device *dev,
			   const struct regulator_desc *desc,
			   struct regulator_config *config,
			   struct device_node **node)
{
	return NULL;
}

static inline struct regulator_dev *
of_parse_coupled_regulator(struct regulator_dev *rdev,
			   int index)
{
	return NULL;
}

static inline int of_get_n_coupled(struct regulator_dev *rdev)
{
	return 0;
}

static inline bool of_check_coupling_data(struct regulator_dev *rdev)
{
	return false;
}

#endif
enum regulator_get_type { … };

struct regulator *_regulator_get(struct device *dev, const char *id,
				 enum regulator_get_type get_type);
int _regulator_bulk_get(struct device *dev, int num_consumers,
			struct regulator_bulk_data *consumers, enum regulator_get_type get_type);
#endif