| // 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 bmp280_is_writeable_reg(struct device *dev, unsigned int reg) |
| { |
| switch (reg) { |
| case BMP280_REG_CONFIG: |
| case BMP280_REG_CTRL_HUMIDITY: |
| 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_HUMIDITY_LSB: |
| case BMP280_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; |
| } |
| } |
| |
| const struct regmap_config bmp280_regmap_config = { |
| .reg_bits = 8, |
| .val_bits = 8, |
| |
| .max_register = BMP280_REG_HUMIDITY_LSB, |
| .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 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); |