projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 14e8015f LW |
2 | #include <linux/bitops.h> |
| 3 | #include <linux/device.h> | |
| 4 | #include <linux/regmap.h> | |
| 5 | ||
| 6 | /* BMP280 specific registers */ | |
| 7 | #define BMP280_REG_HUMIDITY_LSB 0xFE | |
| 8 | #define BMP280_REG_HUMIDITY_MSB 0xFD | |
| 9 | #define BMP280_REG_TEMP_XLSB 0xFC | |
| 10 | #define BMP280_REG_TEMP_LSB 0xFB | |
| 11 | #define BMP280_REG_TEMP_MSB 0xFA | |
| 12 | #define BMP280_REG_PRESS_XLSB 0xF9 | |
| 13 | #define BMP280_REG_PRESS_LSB 0xF8 | |
| 14 | #define BMP280_REG_PRESS_MSB 0xF7 | |
| 15 | ||
| 16 | #define BMP280_REG_CONFIG 0xF5 | |
| 17 | #define BMP280_REG_CTRL_MEAS 0xF4 | |
| 18 | #define BMP280_REG_STATUS 0xF3 | |
| 19 | #define BMP280_REG_CTRL_HUMIDITY 0xF2 | |
| 20 | ||
| 21 | /* Due to non linear mapping, and data sizes we can't do a bulk read */ | |
| 22 | #define BMP280_REG_COMP_H1 0xA1 | |
| 23 | #define BMP280_REG_COMP_H2 0xE1 | |
| 24 | #define BMP280_REG_COMP_H3 0xE3 | |
| 25 | #define BMP280_REG_COMP_H4 0xE4 | |
| 26 | #define BMP280_REG_COMP_H5 0xE5 | |
| 27 | #define BMP280_REG_COMP_H6 0xE7 | |
| 28 | ||
| 29 | #define BMP280_REG_COMP_TEMP_START 0x88 | |
| 30 | #define BMP280_COMP_TEMP_REG_COUNT 6 | |
| 31 | ||
| 32 | #define BMP280_REG_COMP_PRESS_START 0x8E | |
| 33 | #define BMP280_COMP_PRESS_REG_COUNT 18 | |
| 34 | ||
| 35 | #define BMP280_FILTER_MASK (BIT(4) | BIT(3) | BIT(2)) | |
| 36 | #define BMP280_FILTER_OFF 0 | |
| 37 | #define BMP280_FILTER_2X BIT(2) | |
| 38 | #define BMP280_FILTER_4X BIT(3) | |
| 39 | #define BMP280_FILTER_8X (BIT(3) | BIT(2)) | |
| 40 | #define BMP280_FILTER_16X BIT(4) | |
| 41 | ||
| 42 | #define BMP280_OSRS_HUMIDITY_MASK (BIT(2) | BIT(1) | BIT(0)) | |
| 43 | #define BMP280_OSRS_HUMIDITIY_X(osrs_h) ((osrs_h) << 0) | |
| 44 | #define BMP280_OSRS_HUMIDITY_SKIP 0 | |
| 45 | #define BMP280_OSRS_HUMIDITY_1X BMP280_OSRS_HUMIDITIY_X(1) | |
| 46 | #define BMP280_OSRS_HUMIDITY_2X BMP280_OSRS_HUMIDITIY_X(2) | |
| 47 | #define BMP280_OSRS_HUMIDITY_4X BMP280_OSRS_HUMIDITIY_X(3) | |
| 48 | #define BMP280_OSRS_HUMIDITY_8X BMP280_OSRS_HUMIDITIY_X(4) | |
| 49 | #define BMP280_OSRS_HUMIDITY_16X BMP280_OSRS_HUMIDITIY_X(5) | |
| 50 | ||
| 51 | #define BMP280_OSRS_TEMP_MASK (BIT(7) | BIT(6) | BIT(5)) | |
| 52 | #define BMP280_OSRS_TEMP_SKIP 0 | |
| 53 | #define BMP280_OSRS_TEMP_X(osrs_t) ((osrs_t) << 5) | |
| 54 | #define BMP280_OSRS_TEMP_1X BMP280_OSRS_TEMP_X(1) | |
| 55 | #define BMP280_OSRS_TEMP_2X BMP280_OSRS_TEMP_X(2) | |
| 56 | #define BMP280_OSRS_TEMP_4X BMP280_OSRS_TEMP_X(3) | |
| 57 | #define BMP280_OSRS_TEMP_8X BMP280_OSRS_TEMP_X(4) | |
| 58 | #define BMP280_OSRS_TEMP_16X BMP280_OSRS_TEMP_X(5) | |
| 59 | ||
| 60 | #define BMP280_OSRS_PRESS_MASK (BIT(4) | BIT(3) | BIT(2)) | |
| 61 | #define BMP280_OSRS_PRESS_SKIP 0 | |
| 62 | #define BMP280_OSRS_PRESS_X(osrs_p) ((osrs_p) << 2) | |
| 63 | #define BMP280_OSRS_PRESS_1X BMP280_OSRS_PRESS_X(1) | |
| 64 | #define BMP280_OSRS_PRESS_2X BMP280_OSRS_PRESS_X(2) | |
| 65 | #define BMP280_OSRS_PRESS_4X BMP280_OSRS_PRESS_X(3) | |
| 66 | #define BMP280_OSRS_PRESS_8X BMP280_OSRS_PRESS_X(4) | |
| 67 | #define BMP280_OSRS_PRESS_16X BMP280_OSRS_PRESS_X(5) | |
| 68 | ||
| 69 | #define BMP280_MODE_MASK (BIT(1) | BIT(0)) | |
| 70 | #define BMP280_MODE_SLEEP 0 | |
| 71 | #define BMP280_MODE_FORCED BIT(0) | |
| 72 | #define BMP280_MODE_NORMAL (BIT(1) | BIT(0)) | |
| 73 | ||
| 74 | /* BMP180 specific registers */ | |
| 75 | #define BMP180_REG_OUT_XLSB 0xF8 | |
| 76 | #define BMP180_REG_OUT_LSB 0xF7 | |
| 77 | #define BMP180_REG_OUT_MSB 0xF6 | |
| 78 | ||
| 79 | #define BMP180_REG_CALIB_START 0xAA | |
| 80 | #define BMP180_REG_CALIB_COUNT 22 | |
| 81 | ||
| 82 | #define BMP180_MEAS_SCO BIT(5) | |
| 83 | #define BMP180_MEAS_TEMP (0x0E | BMP180_MEAS_SCO) | |
| 84 | #define BMP180_MEAS_PRESS_X(oss) ((oss) << 6 | 0x14 | BMP180_MEAS_SCO) | |
| 85 | #define BMP180_MEAS_PRESS_1X BMP180_MEAS_PRESS_X(0) | |
| 86 | #define BMP180_MEAS_PRESS_2X BMP180_MEAS_PRESS_X(1) | |
| 87 | #define BMP180_MEAS_PRESS_4X BMP180_MEAS_PRESS_X(2) | |
| 88 | #define BMP180_MEAS_PRESS_8X BMP180_MEAS_PRESS_X(3) | |
| 89 | ||
| 90 | /* BMP180 and BMP280 common registers */ | |
| 91 | #define BMP280_REG_CTRL_MEAS 0xF4 | |
| 92 | #define BMP280_REG_RESET 0xE0 | |
| 93 | #define BMP280_REG_ID 0xD0 | |
| 94 | ||
| 95 | #define BMP180_CHIP_ID 0x55 | |
| 96 | #define BMP280_CHIP_ID 0x58 | |
| 97 | #define BME280_CHIP_ID 0x60 | |
| 98 | #define BMP280_SOFT_RESET_VAL 0xB6 | |
| 99 | ||
| eb92b418 AK |
100 | /* BMP280 register skipped special values */ |
| 101 | #define BMP280_TEMP_SKIPPED 0x80000 | |
| 102 | #define BMP280_PRESS_SKIPPED 0x80000 | |
| 103 | #define BMP280_HUMIDITY_SKIPPED 0x8000 | |
| 104 | ||
| 14e8015f LW |
105 | /* Regmap configurations */ |
| 106 | extern const struct regmap_config bmp180_regmap_config; | |
| 107 | extern const struct regmap_config bmp280_regmap_config; | |
| 108 | ||
| 109 | /* Probe called from different transports */ | |
| 110 | int bmp280_common_probe(struct device *dev, | |
| 111 | struct regmap *regmap, | |
| 112 | unsigned int chip, | |
| aae95394 LW |
113 | const char *name, |
| 114 | int irq); | |
| 14e8015f | 115 | int bmp280_common_remove(struct device *dev); |
| 3d838118 LW |
116 | |
| 117 | /* PM ops */ | |
| 118 | extern const struct dev_pm_ops bmp280_dev_pm_ops; |