1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef BME680_H_ 3#define BME680_H_ 4 5#define BME680_REG_CHIP_ID 0xD0 6#define BME680_CHIP_ID_VAL 0x61 7#define BME680_REG_SOFT_RESET 0xE0 8#define BME680_CMD_SOFTRESET 0xB6 9#define BME680_REG_STATUS 0x73 10#define BME680_SPI_MEM_PAGE_BIT BIT(4) 11#define BME680_SPI_MEM_PAGE_1_VAL 1 12 13#define BME680_REG_TEMP_MSB 0x22 14#define BME680_REG_PRESS_MSB 0x1F 15#define BM6880_REG_HUMIDITY_MSB 0x25 16#define BME680_REG_GAS_MSB 0x2A 17#define BME680_REG_GAS_R_LSB 0x2B 18#define BME680_GAS_STAB_BIT BIT(4) 19#define BME680_GAS_RANGE_MASK GENMASK(3, 0) 20 21#define BME680_REG_CTRL_HUMIDITY 0x72 22#define BME680_OSRS_HUMIDITY_MASK GENMASK(2, 0) 23 24#define BME680_REG_CTRL_MEAS 0x74 25#define BME680_OSRS_TEMP_MASK GENMASK(7, 5) 26#define BME680_OSRS_PRESS_MASK GENMASK(4, 2) 27#define BME680_MODE_MASK GENMASK(1, 0) 28#define BME680_MODE_FORCED 1 29#define BME680_MODE_SLEEP 0 30 31#define BME680_REG_CONFIG 0x75 32#define BME680_FILTER_MASK GENMASK(4, 2) 33#define BME680_FILTER_COEFF_VAL BIT(1) 34 35/* TEMP/PRESS/HUMID reading skipped */ 36#define BME680_MEAS_SKIPPED 0x8000 37 38#define BME680_MAX_OVERFLOW_VAL 0x40000000 39#define BME680_HUM_REG_SHIFT_VAL 4 40#define BME680_BIT_H1_DATA_MASK GENMASK(3, 0) 41 42#define BME680_REG_RES_HEAT_RANGE 0x02 43#define BME680_RHRANGE_MASK GENMASK(5, 4) 44#define BME680_REG_RES_HEAT_VAL 0x00 45#define BME680_REG_RANGE_SW_ERR 0x04 46#define BME680_RSERROR_MASK GENMASK(7, 4) 47#define BME680_REG_RES_HEAT_0 0x5A 48#define BME680_REG_GAS_WAIT_0 0x64 49#define BME680_ADC_GAS_RES_SHIFT 6 50#define BME680_AMB_TEMP 25 51 52#define BME680_REG_CTRL_GAS_1 0x71 53#define BME680_RUN_GAS_MASK BIT(4) 54#define BME680_NB_CONV_MASK GENMASK(3, 0) 55 56#define BME680_REG_MEAS_STAT_0 0x1D 57#define BME680_GAS_MEAS_BIT BIT(6) 58 59/* Calibration Parameters */ 60#define BME680_T2_LSB_REG 0x8A 61#define BME680_T3_REG 0x8C 62#define BME680_P1_LSB_REG 0x8E 63#define BME680_P2_LSB_REG 0x90 64#define BME680_P3_REG 0x92 65#define BME680_P4_LSB_REG 0x94 66#define BME680_P5_LSB_REG 0x96 67#define BME680_P7_REG 0x98 68#define BME680_P6_REG 0x99 69#define BME680_P8_LSB_REG 0x9C 70#define BME680_P9_LSB_REG 0x9E 71#define BME680_P10_REG 0xA0 72#define BME680_H2_LSB_REG 0xE2 73#define BME680_H2_MSB_REG 0xE1 74#define BME680_H1_MSB_REG 0xE3 75#define BME680_H1_LSB_REG 0xE2 76#define BME680_H3_REG 0xE4 77#define BME680_H4_REG 0xE5 78#define BME680_H5_REG 0xE6 79#define BME680_H6_REG 0xE7 80#define BME680_H7_REG 0xE8 81#define BME680_T1_LSB_REG 0xE9 82#define BME680_GH2_LSB_REG 0xEB 83#define BME680_GH1_REG 0xED 84#define BME680_GH3_REG 0xEE 85 86extern const struct regmap_config bme680_regmap_config; 87 88int bme680_core_probe(struct device *dev, struct regmap *regmap, 89 const char *name); 90 91#endif /* BME680_H_ */ 92