// SPDX-License-Identifier: GPL-2.0
#include <linux/device.h>
#include <linux/module.h>
#include <linux/regmap.h>

#include "bmp280.h"

static bool bmp180_is_writeable_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP280_REG_CTRL_MEAS:
        case BMP280_REG_RESET:
                return true;
        default:
                return false;
        }
}

static bool bmp180_is_volatile_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP180_REG_OUT_XLSB:
        case BMP180_REG_OUT_LSB:
        case BMP180_REG_OUT_MSB:
        case BMP280_REG_CTRL_MEAS:
                return true;
        default:
                return false;
        }
}

const struct regmap_config bmp180_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = BMP180_REG_OUT_XLSB,
        .cache_type = REGCACHE_RBTREE,

        .writeable_reg = bmp180_is_writeable_reg,
        .volatile_reg = bmp180_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp180_regmap_config, "IIO_BMP280");

static bool bme280_is_writeable_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP280_REG_CONFIG:
        case BME280_REG_CTRL_HUMIDITY:
        case BMP280_REG_CTRL_MEAS:
        case BMP280_REG_RESET:
                return true;
        default:
                return false;
        }
}

static bool bmp280_is_writeable_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP280_REG_CONFIG:
        case BMP280_REG_CTRL_MEAS:
        case BMP280_REG_RESET:
                return true;
        default:
                return false;
        }
}

static bool bmp280_is_volatile_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP280_REG_TEMP_XLSB:
        case BMP280_REG_TEMP_LSB:
        case BMP280_REG_TEMP_MSB:
        case BMP280_REG_PRESS_XLSB:
        case BMP280_REG_PRESS_LSB:
        case BMP280_REG_PRESS_MSB:
        case BMP280_REG_STATUS:
                return true;
        default:
                return false;
        }
}

static bool bme280_is_volatile_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BME280_REG_HUMIDITY_LSB:
        case BME280_REG_HUMIDITY_MSB:
        case BMP280_REG_TEMP_XLSB:
        case BMP280_REG_TEMP_LSB:
        case BMP280_REG_TEMP_MSB:
        case BMP280_REG_PRESS_XLSB:
        case BMP280_REG_PRESS_LSB:
        case BMP280_REG_PRESS_MSB:
        case BMP280_REG_STATUS:
                return true;
        default:
                return false;
        }
}
static bool bmp380_is_writeable_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP380_REG_CMD:
        case BMP380_REG_CONFIG:
        case BMP380_REG_FIFO_CONFIG_1:
        case BMP380_REG_FIFO_CONFIG_2:
        case BMP380_REG_FIFO_WATERMARK_LSB:
        case BMP380_REG_FIFO_WATERMARK_MSB:
        case BMP380_REG_POWER_CONTROL:
        case BMP380_REG_INT_CONTROL:
        case BMP380_REG_IF_CONFIG:
        case BMP380_REG_ODR:
        case BMP380_REG_OSR:
                return true;
        default:
                return false;
        }
}

static bool bmp380_is_volatile_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP380_REG_TEMP_XLSB:
        case BMP380_REG_TEMP_LSB:
        case BMP380_REG_TEMP_MSB:
        case BMP380_REG_PRESS_XLSB:
        case BMP380_REG_PRESS_LSB:
        case BMP380_REG_PRESS_MSB:
        case BMP380_REG_SENSOR_TIME_XLSB:
        case BMP380_REG_SENSOR_TIME_LSB:
        case BMP380_REG_SENSOR_TIME_MSB:
        case BMP380_REG_INT_STATUS:
        case BMP380_REG_FIFO_DATA:
        case BMP380_REG_STATUS:
        case BMP380_REG_ERROR:
        case BMP380_REG_EVENT:
                return true;
        default:
                return false;
        }
}

static bool bmp580_is_writeable_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP580_REG_NVM_DATA_MSB:
        case BMP580_REG_NVM_DATA_LSB:
        case BMP580_REG_NVM_ADDR:
        case BMP580_REG_ODR_CONFIG:
        case BMP580_REG_OSR_CONFIG:
        case BMP580_REG_INT_SOURCE:
        case BMP580_REG_INT_CONFIG:
        case BMP580_REG_OOR_THR_MSB:
        case BMP580_REG_OOR_THR_LSB:
        case BMP580_REG_OOR_CONFIG:
        case BMP580_REG_OOR_RANGE:
        case BMP580_REG_IF_CONFIG:
        case BMP580_REG_FIFO_CONFIG:
        case BMP580_REG_FIFO_SEL:
        case BMP580_REG_DSP_CONFIG:
        case BMP580_REG_DSP_IIR:
        case BMP580_REG_CMD:
                return true;
        default:
                return false;
        }
}

static bool bmp580_is_volatile_reg(struct device *dev, unsigned int reg)
{
        switch (reg) {
        case BMP580_REG_NVM_DATA_MSB:
        case BMP580_REG_NVM_DATA_LSB:
        case BMP580_REG_FIFO_COUNT:
        case BMP580_REG_INT_STATUS:
        case BMP580_REG_PRESS_XLSB:
        case BMP580_REG_PRESS_LSB:
        case BMP580_REG_PRESS_MSB:
        case BMP580_REG_FIFO_DATA:
        case BMP580_REG_TEMP_XLSB:
        case BMP580_REG_TEMP_LSB:
        case BMP580_REG_TEMP_MSB:
        case BMP580_REG_EFF_OSR:
        case BMP580_REG_STATUS:
                return true;
        default:
                return false;
        }
}

const struct regmap_config bmp280_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = BMP280_REG_TEMP_XLSB,
        .cache_type = REGCACHE_RBTREE,

        .writeable_reg = bmp280_is_writeable_reg,
        .volatile_reg = bmp280_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp280_regmap_config, "IIO_BMP280");

const struct regmap_config bme280_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = BME280_REG_HUMIDITY_LSB,
        .cache_type = REGCACHE_RBTREE,

        .writeable_reg = bme280_is_writeable_reg,
        .volatile_reg = bme280_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bme280_regmap_config, "IIO_BMP280");

const struct regmap_config bmp380_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = BMP380_REG_CMD,
        .cache_type = REGCACHE_RBTREE,

        .writeable_reg = bmp380_is_writeable_reg,
        .volatile_reg = bmp380_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp380_regmap_config, "IIO_BMP280");

const struct regmap_config bmp580_regmap_config = {
        .reg_bits = 8,
        .val_bits = 8,

        .max_register = BMP580_REG_CMD,
        .cache_type = REGCACHE_RBTREE,

        .writeable_reg = bmp580_is_writeable_reg,
        .volatile_reg = bmp580_is_volatile_reg,
};
EXPORT_SYMBOL_NS(bmp580_regmap_config, "IIO_BMP280");