pmic/pmic.h

/*
 * Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: MIT
 */

#ifndef __PMIC_H__

#define __PMIC_H__

//#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))

#define NULL1 ((void *)0)

#define PMIC_ENBALE 1
#define PMIC_DISABLE 0
#define PMIC_OSC_ENABLE 1
#define PMIC_OSC_DISENABLE 0
#define PMIC_MAXNUM 5

#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV)                              \
	{                                                                                          \
		.min_uV = _min_uV, .min_sel = _min_sel, .max_sel = _max_sel, .uV_step = _step_uV,  \
	}

/*
 * Regulators can either control voltage or current.
 */
enum regulator_type {
	REGULATOR_VOLTAGE,
	REGULATOR_CURRENT,
};

struct regulator_desc {
	const char *name;
	int id;
	const struct regulator_ops *ops;

	/* buck ctrl reg */
	unsigned int enable_reg;
	unsigned int enable_mask;
	unsigned int enable_val;
	unsigned int disable_val;
	/* buck out */
	unsigned int vsel_reg;
	unsigned int vsel_mask;
	/* ldo ctrl */
	unsigned int ldo_reg;
	unsigned int ldo_mask_ctrl;
	unsigned int ldo_val_ctrl;
	unsigned int ldo_val_ctrl_disable;
	unsigned int ldo_out_mask;
	unsigned int n_linear_ranges;
	const struct regulator_linear_range *linear_ranges;
	const unsigned int *volt_table;
	unsigned int n_voltages;
};

struct regulator_ops {
	/* enable/disable regulator */
	int (*ctrl)(struct regulator_desc *rdev, int status);
	/* get/set regulator voltage */
	int (*set_voltage)(struct regulator_desc *rdev, unsigned int sel);
};

struct regulator_linear_range {
	unsigned int min_uV;
	unsigned int min_sel;
	unsigned int max_sel;
	unsigned int uV_step;
};

struct pmic_i2c {
	char *name;
	int scl;
	int scl_value;
	int sda;
	int sda_value;
	int port;
};

struct pmic_regulator {
	void (*pmic_i2c_config)(struct pmic_i2c *pmic_i2c);
	/* set pmic enable/disable */
	void (*osc_ctrl)(int status);
	struct regulator_desc *rdev;
	unsigned int num;
};

/**
 *@ pmic_regulators_register() - Pmic i2c config and enable
 *@ dev_id: regulator dev_id
 */
extern void pmic_i2c_init(int dev_id, struct pmic_i2c *pmic_i2c);

/**
 * pmic_regulators_register() - Pmic regulators register
 * @PmicRegulator: regulator device
 * @dev_id: regulator dev_id
 */
extern int pmic_regulators_register(struct pmic_regulator *PmicRegulator, int *dev_id);

/**
 * pmic_regulator_ctrl() - Pmic regulators enable/disable
 * @dev_id: regulator dev_id
 * @id: buck/ldo id
 * @status: regulators status, enable/disable
 */

extern int pmic_regulator_ctrl(int dev_id, int id, int status);

/**
 * pmic_regulator_set_voltage() - Pmic regulators set voltage
 * @dev_id: regulator dev_id
 * @id: buck/ldo id
 * @sel: buck/ldo voltage(uv)
 */
extern int pmic_regulator_set_voltage(int dev_id, int id, int sel);

/**
 * pmic_osc() - Pmic Crystal oscillator
 * @dev_id: regulator dev_id
 * @status: regulators status, enable/disable
 */
extern void pmic_osc(int dev_id, int status);

#endif /* __PMIC_H__ */