/* SPDX-License-Identifier: GPL-2.0 */ #include #include #include /* 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 #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_FILTER_MASK (BIT(4) | BIT(3) | BIT(2)) #define BMP280_FILTER_OFF 0 #define BMP280_FILTER_2X BIT(2) #define BMP280_FILTER_4X BIT(3) #define BMP280_FILTER_8X (BIT(3) | BIT(2)) #define BMP280_FILTER_16X BIT(4) #define BMP280_OSRS_HUMIDITY_MASK (BIT(2) | BIT(1) | BIT(0)) #define BMP280_OSRS_HUMIDITIY_X(osrs_h) ((osrs_h) << 0) #define BMP280_OSRS_HUMIDITY_SKIP 0 #define BMP280_OSRS_HUMIDITY_1X BMP280_OSRS_HUMIDITIY_X(1) #define BMP280_OSRS_HUMIDITY_2X BMP280_OSRS_HUMIDITIY_X(2) #define BMP280_OSRS_HUMIDITY_4X BMP280_OSRS_HUMIDITIY_X(3) #define BMP280_OSRS_HUMIDITY_8X BMP280_OSRS_HUMIDITIY_X(4) #define BMP280_OSRS_HUMIDITY_16X BMP280_OSRS_HUMIDITIY_X(5) #define BMP280_OSRS_TEMP_MASK (BIT(7) | BIT(6) | BIT(5)) #define BMP280_OSRS_TEMP_SKIP 0 #define BMP280_OSRS_TEMP_X(osrs_t) ((osrs_t) << 5) #define BMP280_OSRS_TEMP_1X BMP280_OSRS_TEMP_X(1) #define BMP280_OSRS_TEMP_2X BMP280_OSRS_TEMP_X(2) #define BMP280_OSRS_TEMP_4X BMP280_OSRS_TEMP_X(3) #define BMP280_OSRS_TEMP_8X BMP280_OSRS_TEMP_X(4) #define BMP280_OSRS_TEMP_16X BMP280_OSRS_TEMP_X(5) #define BMP280_OSRS_PRESS_MASK (BIT(4) | BIT(3) | BIT(2)) #define BMP280_OSRS_PRESS_SKIP 0 #define BMP280_OSRS_PRESS_X(osrs_p) ((osrs_p) << 2) #define BMP280_OSRS_PRESS_1X BMP280_OSRS_PRESS_X(1) #define BMP280_OSRS_PRESS_2X BMP280_OSRS_PRESS_X(2) #define BMP280_OSRS_PRESS_4X BMP280_OSRS_PRESS_X(3) #define BMP280_OSRS_PRESS_8X BMP280_OSRS_PRESS_X(4) #define BMP280_OSRS_PRESS_16X BMP280_OSRS_PRESS_X(5) #define BMP280_MODE_MASK (BIT(1) | BIT(0)) #define BMP280_MODE_SLEEP 0 #define BMP280_MODE_FORCED BIT(0) #define BMP280_MODE_NORMAL (BIT(1) | BIT(0)) /* 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_SCO BIT(5) #define BMP180_MEAS_TEMP (0x0E | BMP180_MEAS_SCO) #define BMP180_MEAS_PRESS_X(oss) ((oss) << 6 | 0x14 | BMP180_MEAS_SCO) #define BMP180_MEAS_PRESS_1X BMP180_MEAS_PRESS_X(0) #define BMP180_MEAS_PRESS_2X BMP180_MEAS_PRESS_X(1) #define BMP180_MEAS_PRESS_4X BMP180_MEAS_PRESS_X(2) #define BMP180_MEAS_PRESS_8X BMP180_MEAS_PRESS_X(3) /* BMP390 specific registers */ #define BMP390_REG_TEMP_XLSB 0x07 #define BMP390_REG_TEMP_LSB 0x08 #define BMP390_REG_TEMP_MSB 0x09 #define BMP390_REG_PRESS_XLSB 0x04 #define BMP390_REG_PRESS_LSB 0x05 #define BMP390_REG_PRESS_MSB 0x06 #define BMP390_REG_OSR 0x1C #define BMP390_REG_ODR 0x1D #define BMP390_REG_PWR_CTRL 0x1B #define BMP390_REG_CONFIG 0x1F #define BMP390_REG_COMP_TEMP_START 0x31 #define BMP390_TEMP_CALIB_DATA_LEN 5 #define BMP390_REG_COMP_PRESS_START 0x36 #define BMP390_PRESS_CALIB_DATA_LEN 16 #define BMP390_REG_STATUS 0x03 #define BMP390_REG_CMD 0x7E #define BMP390_REG_ERR 0x02 #define BMP390_REG_ID 0x00 #define BMP390_REG_REV 0x01 /* Oversampling macros */ #define BMP390_OSR_TEMP_X(osr_t) ((osr_t) << 3) #define BMP390_OSR_TEMP_MASK (BIT(5) | BIT(4) | BIT(3)) #define BMP390_OSR_PRESS_X(osr_p) ((osr_p) << 0) #define BMP390_OSR_PRESS_MASK (BIT(2) | BIT(1) | BIT(0)) #define BMP390_PRESS_EN_MASK BIT(0) #define BMP390_TEMP_EN_MASK BIT(1) #define BMP390_PRESS_EN BIT(0) #define BMP390_TEMP_EN BIT(1) /* Power mode macros */ #define BMP390_MODE_MASK (BIT(5) | BIT(4)) #define BMP390_MODE_NORMAL (BIT(5) | BIT(4)) #define BMP390_MODE_SLEEP 0 #define BMP390_MODE_FORCED BIT(5) /* IIR Filter macros */ #define BMP390_FILTER_MASK (BIT(3) | BIT(2) | BIT(1)) #define BMP390_FILTER_COEFF_1 BIT(1) #define BMP390_FILTER_COEFF_3 BIT(2) #define BMP390_FILTER_COEFF_7 (BIT(2) | BIT(1)) #define BMP390_FILTER_COEFF_15 BIT(3) #define BMP390_FILTER_COEFF_31 (BIT(3) | BIT(1)) #define BMP390_FILTER_COEFF_63 (BIT(3) | BIT(2)) #define BMP390_FILTER_COEFF_127 (BIT(3) | BIT(2) | BIT(1)) /* Status macros */ #define BMP390_CMD_READY BIT(4) #define BMP390_CMD_ERR (BIT(2) | BIT(1) | BIT(0)) #define BMP390_TEMP_DRDY BIT(6) #define BMP390_PRESS_DRDY BIT(5) #define BMP390_ODR_25Hz 0x03 /* Macro to combine two 8 bit data to form a 16 bit data */ #define BMP390_CONCAT_BYTES(msb,lsb) (((uint16_t)msb << 8 ) | (uint16_t)lsb) /* BMP180 and BMP280 common registers */ #define BMP280_REG_CTRL_MEAS 0xF4 #define BMP280_REG_RESET 0xE0 #define BMP280_REG_ID 0xD0 #define BMP180_CHIP_ID 0x55 #define BMP280_CHIP_ID 0x58 #define BME280_CHIP_ID 0x60 /* CHIP_ID being the same for BME280 and BMP390, considering the revision id along with the chip_id for BMP390 * CHIP_ID: 0x6001 */ #define BMP390_CHIP_ID_VALUE 0x60 #define BMP390_REV_ID 0x01 #define BMP390_CHIP_ID ((BMP390_CHIP_ID_VALUE << 8) | (BMP390_REV_ID)) #define BMP280_SOFT_RESET_VAL 0xB6 #define BMP390_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 bmp390_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); int bmp280_common_remove(struct device *dev); /* PM ops */ extern const struct dev_pm_ops bmp280_dev_pm_ops;