1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef BME680_H_ 3 #define BME680_H_ 4 5 #define BME680_REG_CHIP_I2C_ID 0xD0 6 #define BME680_REG_CHIP_SPI_ID 0x50 7 #define BME680_CHIP_ID_VAL 0x61 8 #define BME680_REG_SOFT_RESET_I2C 0xE0 9 #define BME680_REG_SOFT_RESET_SPI 0x60 10 #define BME680_CMD_SOFTRESET 0xB6 11 #define BME680_REG_STATUS 0x73 12 #define BME680_SPI_MEM_PAGE_BIT BIT(4) 13 #define BME680_SPI_MEM_PAGE_1_VAL 1 14 15 #define BME680_REG_TEMP_MSB 0x22 16 #define BME680_REG_PRESS_MSB 0x1F 17 #define BM6880_REG_HUMIDITY_MSB 0x25 18 #define BME680_REG_GAS_MSB 0x2A 19 #define BME680_REG_GAS_R_LSB 0x2B 20 #define BME680_GAS_STAB_BIT BIT(4) 21 #define BME680_GAS_RANGE_MASK 0x0F 22 23 #define BME680_REG_CTRL_HUMIDITY 0x72 24 #define BME680_OSRS_HUMIDITY_MASK GENMASK(2, 0) 25 26 #define BME680_REG_CTRL_MEAS 0x74 27 #define BME680_OSRS_TEMP_MASK GENMASK(7, 5) 28 #define BME680_OSRS_PRESS_MASK GENMASK(4, 2) 29 #define BME680_MODE_MASK GENMASK(1, 0) 30 #define BME680_MODE_FORCED 1 31 #define BME680_MODE_SLEEP 0 32 33 #define BME680_REG_CONFIG 0x75 34 #define BME680_FILTER_MASK GENMASK(4, 2) 35 #define BME680_FILTER_COEFF_VAL BIT(1) 36 37 /* TEMP/PRESS/HUMID reading skipped */ 38 #define BME680_MEAS_SKIPPED 0x8000 39 40 #define BME680_MAX_OVERFLOW_VAL 0x40000000 41 #define BME680_HUM_REG_SHIFT_VAL 4 42 #define BME680_BIT_H1_DATA_MASK 0x0F 43 44 #define BME680_REG_RES_HEAT_RANGE 0x02 45 #define BME680_RHRANGE_MASK 0x30 46 #define BME680_REG_RES_HEAT_VAL 0x00 47 #define BME680_REG_RANGE_SW_ERR 0x04 48 #define BME680_RSERROR_MASK 0xF0 49 #define BME680_REG_RES_HEAT_0 0x5A 50 #define BME680_REG_GAS_WAIT_0 0x64 51 #define BME680_ADC_GAS_RES_SHIFT 6 52 #define BME680_AMB_TEMP 25 53 54 #define BME680_REG_CTRL_GAS_1 0x71 55 #define BME680_RUN_GAS_MASK BIT(4) 56 #define BME680_NB_CONV_MASK GENMASK(3, 0) 57 #define BME680_RUN_GAS_EN_BIT BIT(4) 58 #define BME680_NB_CONV_0_VAL 0 59 60 #define BME680_REG_MEAS_STAT_0 0x1D 61 #define BME680_GAS_MEAS_BIT BIT(6) 62 63 /* Calibration Parameters */ 64 #define BME680_T2_LSB_REG 0x8A 65 #define BME680_T3_REG 0x8C 66 #define BME680_P1_LSB_REG 0x8E 67 #define BME680_P2_LSB_REG 0x90 68 #define BME680_P3_REG 0x92 69 #define BME680_P4_LSB_REG 0x94 70 #define BME680_P5_LSB_REG 0x96 71 #define BME680_P7_REG 0x98 72 #define BME680_P6_REG 0x99 73 #define BME680_P8_LSB_REG 0x9C 74 #define BME680_P9_LSB_REG 0x9E 75 #define BME680_P10_REG 0xA0 76 #define BME680_H2_LSB_REG 0xE2 77 #define BME680_H2_MSB_REG 0xE1 78 #define BME680_H1_MSB_REG 0xE3 79 #define BME680_H1_LSB_REG 0xE2 80 #define BME680_H3_REG 0xE4 81 #define BME680_H4_REG 0xE5 82 #define BME680_H5_REG 0xE6 83 #define BME680_H6_REG 0xE7 84 #define BME680_H7_REG 0xE8 85 #define BME680_T1_LSB_REG 0xE9 86 #define BME680_GH2_LSB_REG 0xEB 87 #define BME680_GH1_REG 0xED 88 #define BME680_GH3_REG 0xEE 89 90 extern const struct regmap_config bme680_regmap_config; 91 92 int bme680_core_probe(struct device *dev, struct regmap *regmap, 93 const char *name); 94 95 #endif /* BME680_H_ */ 96