| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef BME680_H_ |
| #define BME680_H_ |
| |
| #define BME680_REG_CHIP_ID 0xD0 |
| #define BME680_CHIP_ID_VAL 0x61 |
| #define BME680_REG_SOFT_RESET 0xE0 |
| #define BME680_CMD_SOFTRESET 0xB6 |
| #define BME680_REG_STATUS 0x73 |
| #define BME680_SPI_MEM_PAGE_BIT BIT(4) |
| #define BME680_SPI_MEM_PAGE_1_VAL 1 |
| |
| #define BME680_REG_TEMP_MSB 0x22 |
| #define BME680_REG_PRESS_MSB 0x1F |
| #define BM6880_REG_HUMIDITY_MSB 0x25 |
| #define BME680_REG_GAS_MSB 0x2A |
| #define BME680_REG_GAS_R_LSB 0x2B |
| #define BME680_GAS_STAB_BIT BIT(4) |
| #define BME680_GAS_RANGE_MASK GENMASK(3, 0) |
| |
| #define BME680_REG_CTRL_HUMIDITY 0x72 |
| #define BME680_OSRS_HUMIDITY_MASK GENMASK(2, 0) |
| |
| #define BME680_REG_CTRL_MEAS 0x74 |
| #define BME680_OSRS_TEMP_MASK GENMASK(7, 5) |
| #define BME680_OSRS_PRESS_MASK GENMASK(4, 2) |
| #define BME680_MODE_MASK GENMASK(1, 0) |
| #define BME680_MODE_FORCED 1 |
| #define BME680_MODE_SLEEP 0 |
| |
| #define BME680_REG_CONFIG 0x75 |
| #define BME680_FILTER_MASK GENMASK(4, 2) |
| #define BME680_FILTER_COEFF_VAL BIT(1) |
| |
| /* TEMP/PRESS/HUMID reading skipped */ |
| #define BME680_MEAS_SKIPPED 0x8000 |
| |
| #define BME680_MAX_OVERFLOW_VAL 0x40000000 |
| #define BME680_HUM_REG_SHIFT_VAL 4 |
| #define BME680_BIT_H1_DATA_MASK GENMASK(3, 0) |
| |
| #define BME680_REG_RES_HEAT_RANGE 0x02 |
| #define BME680_RHRANGE_MASK GENMASK(5, 4) |
| #define BME680_REG_RES_HEAT_VAL 0x00 |
| #define BME680_REG_RANGE_SW_ERR 0x04 |
| #define BME680_RSERROR_MASK GENMASK(7, 4) |
| #define BME680_REG_RES_HEAT_0 0x5A |
| #define BME680_REG_GAS_WAIT_0 0x64 |
| #define BME680_ADC_GAS_RES_SHIFT 6 |
| #define BME680_AMB_TEMP 25 |
| |
| #define BME680_REG_CTRL_GAS_1 0x71 |
| #define BME680_RUN_GAS_MASK BIT(4) |
| #define BME680_NB_CONV_MASK GENMASK(3, 0) |
| |
| #define BME680_REG_MEAS_STAT_0 0x1D |
| #define BME680_GAS_MEAS_BIT BIT(6) |
| |
| /* Calibration Parameters */ |
| #define BME680_T2_LSB_REG 0x8A |
| #define BME680_T3_REG 0x8C |
| #define BME680_P1_LSB_REG 0x8E |
| #define BME680_P2_LSB_REG 0x90 |
| #define BME680_P3_REG 0x92 |
| #define BME680_P4_LSB_REG 0x94 |
| #define BME680_P5_LSB_REG 0x96 |
| #define BME680_P7_REG 0x98 |
| #define BME680_P6_REG 0x99 |
| #define BME680_P8_LSB_REG 0x9C |
| #define BME680_P9_LSB_REG 0x9E |
| #define BME680_P10_REG 0xA0 |
| #define BME680_H2_LSB_REG 0xE2 |
| #define BME680_H2_MSB_REG 0xE1 |
| #define BME680_H1_MSB_REG 0xE3 |
| #define BME680_H1_LSB_REG 0xE2 |
| #define BME680_H3_REG 0xE4 |
| #define BME680_H4_REG 0xE5 |
| #define BME680_H5_REG 0xE6 |
| #define BME680_H6_REG 0xE7 |
| #define BME680_H7_REG 0xE8 |
| #define BME680_T1_LSB_REG 0xE9 |
| #define BME680_GH2_LSB_REG 0xEB |
| #define BME680_GH1_REG 0xED |
| #define BME680_GH3_REG 0xEE |
| |
| extern const struct regmap_config bme680_regmap_config; |
| |
| int bme680_core_probe(struct device *dev, struct regmap *regmap, |
| const char *name); |
| |
| #endif /* BME680_H_ */ |
