mirror of https://gitee.com/openkylin/linux.git
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef BME680_H_
|
|
#define BME680_H_
|
|
|
|
#define BME680_REG_CHIP_I2C_ID 0xD0
|
|
#define BME680_REG_CHIP_SPI_ID 0x50
|
|
#define BME680_CHIP_ID_VAL 0x61
|
|
#define BME680_REG_SOFT_RESET_I2C 0xE0
|
|
#define BME680_REG_SOFT_RESET_SPI 0x60
|
|
#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_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_MSK 0x0F
|
|
|
|
#define BME680_REG_RES_HEAT_RANGE 0x02
|
|
#define BME680_RHRANGE_MSK 0x30
|
|
#define BME680_REG_RES_HEAT_VAL 0x00
|
|
#define BME680_REG_RANGE_SW_ERR 0x04
|
|
#define BME680_RSERROR_MSK 0xF0
|
|
#define BME680_REG_RES_HEAT_0 0x5A
|
|
#define BME680_REG_GAS_WAIT_0 0x64
|
|
#define BME680_GAS_RANGE_MASK 0x0F
|
|
#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_RUN_GAS_EN_BIT BIT(4)
|
|
#define BME680_NB_CONV_0_VAL 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_ */
|