/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * mc13xxx.h - regulators for the Freescale mc13xxx PMIC
 *
 *  Copyright (C) 2010 Yong Shen <yong.shen@linaro.org>
 */

#ifndef __LINUX_REGULATOR_MC13XXX_H
#define __LINUX_REGULATOR_MC13XXX_H

#include <linux/regulator/driver.h>

struct mc13xxx_regulator {
        struct regulator_desc desc;
        int reg;
        int enable_bit;
        int vsel_reg;
        int vsel_shift;
        int vsel_mask;
};

struct mc13xxx_regulator_priv {
        struct mc13xxx *mc13xxx;
        u32 powermisc_pwgt_state;
        struct mc13xxx_regulator *mc13xxx_regulators;
        int num_regulators;
        struct regulator_dev *regulators[] __counted_by(num_regulators);
};

extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
                int min_uV, int max_uV, unsigned *selector);

#ifdef CONFIG_OF
extern int mc13xxx_get_num_regulators_dt(struct platform_device *pdev);
extern struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
        int num_regulators);
#else
static inline int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
{
        return -ENODEV;
}

static inline struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt(
        struct platform_device *pdev, struct mc13xxx_regulator *regulators,
        int num_regulators)
{
        return NULL;
}
#endif

extern const struct regulator_ops mc13xxx_regulator_ops;
extern const struct regulator_ops mc13xxx_fixed_regulator_ops;

#define MC13xxx_DEFINE(prefix, _name, _node, _reg, _vsel_reg, _voltages, _ops)  \
        [prefix ## _name] = {                           \
                .desc = {                                               \
                        .name = #_node,                                 \
                        .n_voltages = ARRAY_SIZE(_voltages),            \
                        .volt_table =  _voltages,                       \
                        .ops = &_ops,                   \
                        .type = REGULATOR_VOLTAGE,                      \
                        .id = prefix ## _name,          \
                        .owner = THIS_MODULE,                           \
                },                                                      \
                .reg = prefix ## _reg,                          \
                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
                .vsel_reg = prefix ## _vsel_reg,                        \
                .vsel_shift = prefix ## _vsel_reg ## _ ## _name ## VSEL,\
                .vsel_mask = prefix ## _vsel_reg ## _ ## _name ## VSEL_M,\
        }

#define MC13xxx_FIXED_DEFINE(prefix, _name, _node, _reg, _voltages, _ops)       \
        [prefix ## _name] = {                           \
                .desc = {                                               \
                        .name = #_node,                                 \
                        .n_voltages = ARRAY_SIZE(_voltages),            \
                        .volt_table =  _voltages,                       \
                        .ops = &_ops,           \
                        .type = REGULATOR_VOLTAGE,                      \
                        .id = prefix ## _name,          \
                        .owner = THIS_MODULE,                           \
                },                                                      \
                .reg = prefix ## _reg,                          \
                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
        }

#define MC13xxx_GPO_DEFINE(prefix, _name, _node, _reg,  _voltages, _ops)        \
        [prefix ## _name] = {                           \
                .desc = {                                               \
                        .name = #_node,                                 \
                        .n_voltages = ARRAY_SIZE(_voltages),            \
                        .volt_table =  _voltages,                       \
                        .ops = &_ops,           \
                        .type = REGULATOR_VOLTAGE,                      \
                        .id = prefix ## _name,          \
                        .owner = THIS_MODULE,                           \
                },                                                      \
                .reg = prefix ## _reg,                          \
                .enable_bit = prefix ## _reg ## _ ## _name ## EN,       \
        }

#define MC13xxx_DEFINE_SW(_name, _node, _reg, _vsel_reg, _voltages, ops) \
        MC13xxx_DEFINE(SW, _name, _node, _reg, _vsel_reg, _voltages, ops)
#define MC13xxx_DEFINE_REGU(_name, _node, _reg, _vsel_reg, _voltages, ops) \
        MC13xxx_DEFINE(REGU, _name, _node, _reg, _vsel_reg, _voltages, ops)

#endif