| /* SPDX-License-Identifier: GPL-2.0 */ |
| #include <linux/bitops.h> |
| #include <linux/device.h> |
| #include <linux/regmap.h> |
| |
| /* BMP380 specific registers */ |
| #define BMP380_REG_CMD 0x7E |
| #define BMP380_REG_CONFIG 0x1F |
| #define BMP380_REG_ODR 0x1D |
| #define BMP380_REG_OSR 0x1C |
| #define BMP380_REG_POWER_CONTROL 0x1B |
| #define BMP380_REG_IF_CONFIG 0x1A |
| #define BMP380_REG_INT_CONTROL 0x19 |
| #define BMP380_REG_INT_STATUS 0x11 |
| #define BMP380_REG_EVENT 0x10 |
| #define BMP380_REG_STATUS 0x03 |
| #define BMP380_REG_ERROR 0x02 |
| #define BMP380_REG_ID 0x00 |
| |
| #define BMP380_REG_FIFO_CONFIG_1 0x18 |
| #define BMP380_REG_FIFO_CONFIG_2 0x17 |
| #define BMP380_REG_FIFO_WATERMARK_MSB 0x16 |
| #define BMP380_REG_FIFO_WATERMARK_LSB 0x15 |
| #define BMP380_REG_FIFO_DATA 0x14 |
| #define BMP380_REG_FIFO_LENGTH_MSB 0x13 |
| #define BMP380_REG_FIFO_LENGTH_LSB 0x12 |
| |
| #define BMP380_REG_SENSOR_TIME_MSB 0x0E |
| #define BMP380_REG_SENSOR_TIME_LSB 0x0D |
| #define BMP380_REG_SENSOR_TIME_XLSB 0x0C |
| |
| #define BMP380_REG_TEMP_MSB 0x09 |
| #define BMP380_REG_TEMP_LSB 0x08 |
| #define BMP380_REG_TEMP_XLSB 0x07 |
| |
| #define BMP380_REG_PRESS_MSB 0x06 |
| #define BMP380_REG_PRESS_LSB 0x05 |
| #define BMP380_REG_PRESS_XLSB 0x04 |
| |
| #define BMP380_REG_CALIB_TEMP_START 0x31 |
| #define BMP380_CALIB_REG_COUNT 21 |
| |
| #define BMP380_FILTER_MASK GENMASK(3, 1) |
| #define BMP380_FILTER_OFF 0 |
| #define BMP380_FILTER_1X 1 |
| #define BMP380_FILTER_3X 2 |
| #define BMP380_FILTER_7X 3 |
| #define BMP380_FILTER_15X 4 |
| #define BMP380_FILTER_31X 5 |
| #define BMP380_FILTER_63X 6 |
| #define BMP380_FILTER_127X 7 |
| |
| #define BMP380_OSRS_TEMP_MASK GENMASK(5, 3) |
| #define BMP380_OSRS_PRESS_MASK GENMASK(2, 0) |
| |
| #define BMP380_ODRS_MASK GENMASK(4, 0) |
| |
| #define BMP380_CTRL_SENSORS_MASK GENMASK(1, 0) |
| #define BMP380_CTRL_SENSORS_PRESS_EN BIT(0) |
| #define BMP380_CTRL_SENSORS_TEMP_EN BIT(1) |
| #define BMP380_MODE_MASK GENMASK(5, 4) |
| #define BMP380_MODE_SLEEP 0 |
| #define BMP380_MODE_FORCED 1 |
| #define BMP380_MODE_NORMAL 3 |
| |
| #define BMP380_MIN_TEMP -4000 |
| #define BMP380_MAX_TEMP 8500 |
| #define BMP380_MIN_PRES 3000000 |
| #define BMP380_MAX_PRES 12500000 |
| |
| #define BMP380_CMD_NOOP 0x00 |
| #define BMP380_CMD_EXTMODE_EN_MID 0x34 |
| #define BMP380_CMD_FIFO_FLUSH 0xB0 |
| #define BMP380_CMD_SOFT_RESET 0xB6 |
| |
| #define BMP380_STATUS_CMD_RDY_MASK BIT(4) |
| #define BMP380_STATUS_DRDY_PRESS_MASK BIT(5) |
| #define BMP380_STATUS_DRDY_TEMP_MASK BIT(6) |
| |
| #define BMP380_ERR_FATAL_MASK BIT(0) |
| #define BMP380_ERR_CMD_MASK BIT(1) |
| #define BMP380_ERR_CONF_MASK BIT(2) |
| |
| #define BMP380_TEMP_SKIPPED 0x800000 |
| #define BMP380_PRESS_SKIPPED 0x800000 |
| |
| /* BMP280 specific registers */ |
| #define BMP280_REG_HUMIDITY_LSB 0xFE |
| #define BMP280_REG_HUMIDITY_MSB 0xFD |
| #define BMP280_REG_TEMP_XLSB 0xFC |
| #define BMP280_REG_TEMP_LSB 0xFB |
| #define BMP280_REG_TEMP_MSB 0xFA |
| #define BMP280_REG_PRESS_XLSB 0xF9 |
| #define BMP280_REG_PRESS_LSB 0xF8 |
| #define BMP280_REG_PRESS_MSB 0xF7 |
| |
| /* Helper mask to truncate excess 4 bits on pressure and temp readings */ |
| #define BMP280_MEAS_TRIM_MASK GENMASK(24, 4) |
| |
| #define BMP280_REG_CONFIG 0xF5 |
| #define BMP280_REG_CTRL_MEAS 0xF4 |
| #define BMP280_REG_STATUS 0xF3 |
| #define BMP280_REG_CTRL_HUMIDITY 0xF2 |
| |
| /* Due to non linear mapping, and data sizes we can't do a bulk read */ |
| #define BMP280_REG_COMP_H1 0xA1 |
| #define BMP280_REG_COMP_H2 0xE1 |
| #define BMP280_REG_COMP_H3 0xE3 |
| #define BMP280_REG_COMP_H4 0xE4 |
| #define BMP280_REG_COMP_H5 0xE5 |
| #define BMP280_REG_COMP_H6 0xE7 |
| |
| #define BMP280_REG_COMP_TEMP_START 0x88 |
| #define BMP280_COMP_TEMP_REG_COUNT 6 |
| |
| #define BMP280_REG_COMP_PRESS_START 0x8E |
| #define BMP280_COMP_PRESS_REG_COUNT 18 |
| |
| #define BMP280_COMP_H5_MASK GENMASK(15, 4) |
| |
| #define BMP280_CONTIGUOUS_CALIB_REGS (BMP280_COMP_TEMP_REG_COUNT + \ |
| BMP280_COMP_PRESS_REG_COUNT) |
| |
| #define BMP280_FILTER_MASK GENMASK(4, 2) |
| #define BMP280_FILTER_OFF 0 |
| #define BMP280_FILTER_2X 1 |
| #define BMP280_FILTER_4X 2 |
| #define BMP280_FILTER_8X 3 |
| #define BMP280_FILTER_16X 4 |
| |
| #define BMP280_OSRS_HUMIDITY_MASK GENMASK(2, 0) |
| #define BMP280_OSRS_HUMIDITY_SKIP 0 |
| #define BMP280_OSRS_HUMIDITY_1X 1 |
| #define BMP280_OSRS_HUMIDITY_2X 2 |
| #define BMP280_OSRS_HUMIDITY_4X 3 |
| #define BMP280_OSRS_HUMIDITY_8X 4 |
| #define BMP280_OSRS_HUMIDITY_16X 5 |
| |
| #define BMP280_OSRS_TEMP_MASK GENMASK(7, 5) |
| #define BMP280_OSRS_TEMP_SKIP 0 |
| #define BMP280_OSRS_TEMP_1X 1 |
| #define BMP280_OSRS_TEMP_2X 2 |
| #define BMP280_OSRS_TEMP_4X 3 |
| #define BMP280_OSRS_TEMP_8X 4 |
| #define BMP280_OSRS_TEMP_16X 5 |
| |
| #define BMP280_OSRS_PRESS_MASK GENMASK(4, 2) |
| #define BMP280_OSRS_PRESS_SKIP 0 |
| #define BMP280_OSRS_PRESS_1X 1 |
| #define BMP280_OSRS_PRESS_2X 2 |
| #define BMP280_OSRS_PRESS_4X 3 |
| #define BMP280_OSRS_PRESS_8X 4 |
| #define BMP280_OSRS_PRESS_16X 5 |
| |
| #define BMP280_MODE_MASK GENMASK(1, 0) |
| #define BMP280_MODE_SLEEP 0 |
| #define BMP280_MODE_FORCED 1 |
| #define BMP280_MODE_NORMAL 3 |
| |
| /* BMP180 specific registers */ |
| #define BMP180_REG_OUT_XLSB 0xF8 |
| #define BMP180_REG_OUT_LSB 0xF7 |
| #define BMP180_REG_OUT_MSB 0xF6 |
| |
| #define BMP180_REG_CALIB_START 0xAA |
| #define BMP180_REG_CALIB_COUNT 22 |
| |
| #define BMP180_MEAS_CTRL_MASK GENMASK(4, 0) |
| #define BMP180_MEAS_TEMP 0x0E |
| #define BMP180_MEAS_PRESS 0x14 |
| #define BMP180_MEAS_SCO BIT(5) |
| #define BMP180_OSRS_PRESS_MASK GENMASK(7, 6) |
| #define BMP180_MEAS_PRESS_1X 0 |
| #define BMP180_MEAS_PRESS_2X 1 |
| #define BMP180_MEAS_PRESS_4X 2 |
| #define BMP180_MEAS_PRESS_8X 3 |
| |
| /* BMP180 and BMP280 common registers */ |
| #define BMP280_REG_CTRL_MEAS 0xF4 |
| #define BMP280_REG_RESET 0xE0 |
| #define BMP280_REG_ID 0xD0 |
| |
| #define BMP380_CHIP_ID 0x50 |
| #define BMP180_CHIP_ID 0x55 |
| #define BMP280_CHIP_ID 0x58 |
| #define BME280_CHIP_ID 0x60 |
| #define BMP280_SOFT_RESET_VAL 0xB6 |
| |
| /* BMP280 register skipped special values */ |
| #define BMP280_TEMP_SKIPPED 0x80000 |
| #define BMP280_PRESS_SKIPPED 0x80000 |
| #define BMP280_HUMIDITY_SKIPPED 0x8000 |
| |
| /* Regmap configurations */ |
| extern const struct regmap_config bmp180_regmap_config; |
| extern const struct regmap_config bmp280_regmap_config; |
| extern const struct regmap_config bmp380_regmap_config; |
| |
| /* Probe called from different transports */ |
| int bmp280_common_probe(struct device *dev, |
| struct regmap *regmap, |
| unsigned int chip, |
| const char *name, |
| int irq); |
| |
| /* PM ops */ |
| extern const struct dev_pm_ops bmp280_dev_pm_ops; |
