| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Angel Iglesias | 851 | 56.25% | 11 | 40.74% |
| Akinobu Mita | 189 | 12.49% | 2 | 7.41% |
| Vlad Dogaru | 181 | 11.96% | 1 | 3.70% |
| Linus Walleij | 96 | 6.35% | 6 | 22.22% |
| Stefan Tatschner | 79 | 5.22% | 1 | 3.70% |
| Matt Ranostay | 78 | 5.16% | 1 | 3.70% |
| Bartosz Golaszewski | 23 | 1.52% | 1 | 3.70% |
| Andreas Klinger | 13 | 0.86% | 1 | 3.70% |
| Greg Kroah-Hartman | 1 | 0.07% | 1 | 3.70% |
| Jonathan Cameron | 1 | 0.07% | 1 | 3.70% |
| Aniroop Mathur | 1 | 0.07% | 1 | 3.70% |
| Total | 1513 | 27 |
/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/bitops.h> #include <linux/device.h> #include <linux/iio/iio.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> /* BMP580 specific registers */ #define BMP580_REG_CMD 0x7E #define BMP580_REG_EFF_OSR 0x38 #define BMP580_REG_ODR_CONFIG 0x37 #define BMP580_REG_OSR_CONFIG 0x36 #define BMP580_REG_IF_CONFIG 0x13 #define BMP580_REG_REV_ID 0x02 #define BMP580_REG_CHIP_ID 0x01 /* OOR allows to configure a pressure alarm */ #define BMP580_REG_OOR_CONFIG 0x35 #define BMP580_REG_OOR_RANGE 0x34 #define BMP580_REG_OOR_THR_MSB 0x33 #define BMP580_REG_OOR_THR_LSB 0x32 /* DSP registers (IIR filters) */ #define BMP580_REG_DSP_IIR 0x31 #define BMP580_REG_DSP_CONFIG 0x30 /* NVM access registers */ #define BMP580_REG_NVM_DATA_MSB 0x2D #define BMP580_REG_NVM_DATA_LSB 0x2C #define BMP580_REG_NVM_ADDR 0x2B /* Status registers */ #define BMP580_REG_STATUS 0x28 #define BMP580_REG_INT_STATUS 0x27 #define BMP580_REG_CHIP_STATUS 0x11 /* Data registers */ #define BMP580_REG_FIFO_DATA 0x29 #define BMP580_REG_PRESS_MSB 0x22 #define BMP580_REG_PRESS_LSB 0x21 #define BMP580_REG_PRESS_XLSB 0x20 #define BMP580_REG_TEMP_MSB 0x1F #define BMP580_REG_TEMP_LSB 0x1E #define BMP580_REG_TEMP_XLSB 0x1D /* FIFO config registers */ #define BMP580_REG_FIFO_SEL 0x18 #define BMP580_REG_FIFO_COUNT 0x17 #define BMP580_REG_FIFO_CONFIG 0x16 /* Interruptions config registers */ #define BMP580_REG_INT_SOURCE 0x15 #define BMP580_REG_INT_CONFIG 0x14 #define BMP580_CMD_NOOP 0x00 #define BMP580_CMD_EXTMODE_SEQ_0 0x73 #define BMP580_CMD_EXTMODE_SEQ_1 0xB4 #define BMP580_CMD_EXTMODE_SEQ_2 0x69 #define BMP580_CMD_NVM_OP_SEQ_0 0x5D #define BMP580_CMD_NVM_READ_SEQ_1 0xA5 #define BMP580_CMD_NVM_WRITE_SEQ_1 0xA0 #define BMP580_CMD_SOFT_RESET 0xB6 #define BMP580_INT_STATUS_POR_MASK BIT(4) #define BMP580_STATUS_CORE_RDY_MASK BIT(0) #define BMP580_STATUS_NVM_RDY_MASK BIT(1) #define BMP580_STATUS_NVM_ERR_MASK BIT(2) #define BMP580_STATUS_NVM_CMD_ERR_MASK BIT(3) #define BMP580_OSR_PRESS_MASK GENMASK(5, 3) #define BMP580_OSR_TEMP_MASK GENMASK(2, 0) #define BMP580_OSR_PRESS_EN BIT(6) #define BMP580_EFF_OSR_PRESS_MASK GENMASK(5, 3) #define BMP580_EFF_OSR_TEMP_MASK GENMASK(2, 0) #define BMP580_EFF_OSR_VALID_ODR BIT(7) #define BMP580_ODR_MASK GENMASK(6, 2) #define BMP580_MODE_MASK GENMASK(1, 0) #define BMP580_MODE_SLEEP 0 #define BMP580_MODE_NORMAL 1 #define BMP580_MODE_FORCED 2 #define BMP580_MODE_CONTINOUS 3 #define BMP580_ODR_DEEPSLEEP_DIS BIT(7) #define BMP580_DSP_COMP_MASK GENMASK(1, 0) #define BMP580_DSP_COMP_DIS 0 #define BMP580_DSP_TEMP_COMP_EN 1 /* * In section 7.27 of datasheet, modes 2 and 3 are technically the same. * Pressure compensation means also enabling temperature compensation */ #define BMP580_DSP_PRESS_COMP_EN 2 #define BMP580_DSP_PRESS_TEMP_COMP_EN 3 #define BMP580_DSP_IIR_FORCED_FLUSH BIT(2) #define BMP580_DSP_SHDW_IIR_TEMP_EN BIT(3) #define BMP580_DSP_FIFO_IIR_TEMP_EN BIT(4) #define BMP580_DSP_SHDW_IIR_PRESS_EN BIT(5) #define BMP580_DSP_FIFO_IIR_PRESS_EN BIT(6) #define BMP580_DSP_OOR_IIR_PRESS_EN BIT(7) #define BMP580_DSP_IIR_PRESS_MASK GENMASK(5, 3) #define BMP580_DSP_IIR_TEMP_MASK GENMASK(2, 0) #define BMP580_FILTER_OFF 0 #define BMP580_FILTER_1X 1 #define BMP580_FILTER_3X 2 #define BMP580_FILTER_7X 3 #define BMP580_FILTER_15X 4 #define BMP580_FILTER_31X 5 #define BMP580_FILTER_63X 6 #define BMP580_FILTER_127X 7 #define BMP580_NVM_ROW_ADDR_MASK GENMASK(5, 0) #define BMP580_NVM_PROG_EN BIT(6) #define BMP580_TEMP_SKIPPED 0x7f7f7f #define BMP580_PRESS_SKIPPED 0x7f7f7f /* BMP380 specific registers */ #define BMP380_REG_CMD 0x7E #define BMP380_REG_CONFIG 0x1F #define BMP380_REG_ODR 0x1D #define BMP380_REG_OSR 0x1C #define BMP380_REG_POWER_CONTROL 0x1B #define BMP380_REG_IF_CONFIG 0x1A #define BMP380_REG_INT_CONTROL 0x19 #define BMP380_REG_INT_STATUS 0x11 #define BMP380_REG_EVENT 0x10 #define BMP380_REG_STATUS 0x03 #define BMP380_REG_ERROR 0x02 #define BMP380_REG_ID 0x00 #define BMP380_REG_FIFO_CONFIG_1 0x18 #define BMP380_REG_FIFO_CONFIG_2 0x17 #define BMP380_REG_FIFO_WATERMARK_MSB 0x16 #define BMP380_REG_FIFO_WATERMARK_LSB 0x15 #define BMP380_REG_FIFO_DATA 0x14 #define BMP380_REG_FIFO_LENGTH_MSB 0x13 #define BMP380_REG_FIFO_LENGTH_LSB 0x12 #define BMP380_REG_SENSOR_TIME_MSB 0x0E #define BMP380_REG_SENSOR_TIME_LSB 0x0D #define BMP380_REG_SENSOR_TIME_XLSB 0x0C #define BMP380_REG_TEMP_MSB 0x09 #define BMP380_REG_TEMP_LSB 0x08 #define BMP380_REG_TEMP_XLSB 0x07 #define BMP380_REG_PRESS_MSB 0x06 #define BMP380_REG_PRESS_LSB 0x05 #define BMP380_REG_PRESS_XLSB 0x04 #define BMP380_REG_CALIB_TEMP_START 0x31 #define BMP380_CALIB_REG_COUNT 21 #define BMP380_FILTER_MASK GENMASK(3, 1) #define BMP380_FILTER_OFF 0 #define BMP380_FILTER_1X 1 #define BMP380_FILTER_3X 2 #define BMP380_FILTER_7X 3 #define BMP380_FILTER_15X 4 #define BMP380_FILTER_31X 5 #define BMP380_FILTER_63X 6 #define BMP380_FILTER_127X 7 #define BMP380_OSRS_TEMP_MASK GENMASK(5, 3) #define BMP380_OSRS_PRESS_MASK GENMASK(2, 0) #define BMP380_ODRS_MASK GENMASK(4, 0) #define BMP380_CTRL_SENSORS_MASK GENMASK(1, 0) #define BMP380_CTRL_SENSORS_PRESS_EN BIT(0) #define BMP380_CTRL_SENSORS_TEMP_EN BIT(1) #define BMP380_MODE_MASK GENMASK(5, 4) #define BMP380_MODE_SLEEP 0 #define BMP380_MODE_FORCED 1 #define BMP380_MODE_NORMAL 3 #define BMP380_MIN_TEMP -4000 #define BMP380_MAX_TEMP 8500 #define BMP380_MIN_PRES 3000000 #define BMP380_MAX_PRES 12500000 #define BMP380_CMD_NOOP 0x00 #define BMP380_CMD_EXTMODE_EN_MID 0x34 #define BMP380_CMD_FIFO_FLUSH 0xB0 #define BMP380_CMD_SOFT_RESET 0xB6 #define BMP380_STATUS_CMD_RDY_MASK BIT(4) #define BMP380_STATUS_DRDY_PRESS_MASK BIT(5) #define BMP380_STATUS_DRDY_TEMP_MASK BIT(6) #define BMP380_ERR_FATAL_MASK BIT(0) #define BMP380_ERR_CMD_MASK BIT(1) #define BMP380_ERR_CONF_MASK BIT(2) #define BMP380_TEMP_SKIPPED 0x800000 #define BMP380_PRESS_SKIPPED 0x800000 /* BMP280 specific registers */ #define BMP280_REG_HUMIDITY_LSB 0xFE #define BMP280_REG_HUMIDITY_MSB 0xFD #define BMP280_REG_TEMP_XLSB 0xFC #define BMP280_REG_TEMP_LSB 0xFB #define BMP280_REG_TEMP_MSB 0xFA #define BMP280_REG_PRESS_XLSB 0xF9 #define BMP280_REG_PRESS_LSB 0xF8 #define BMP280_REG_PRESS_MSB 0xF7 /* Helper mask to truncate excess 4 bits on pressure and temp readings */ #define BMP280_MEAS_TRIM_MASK GENMASK(24, 4) #define BMP280_REG_CONFIG 0xF5 #define BMP280_REG_CTRL_MEAS 0xF4 #define BMP280_REG_STATUS 0xF3 #define BMP280_REG_CTRL_HUMIDITY 0xF2 /* Due to non linear mapping, and data sizes we can't do a bulk read */ #define BMP280_REG_COMP_H1 0xA1 #define BMP280_REG_COMP_H2 0xE1 #define BMP280_REG_COMP_H3 0xE3 #define BMP280_REG_COMP_H4 0xE4 #define BMP280_REG_COMP_H5 0xE5 #define BMP280_REG_COMP_H6 0xE7 #define BMP280_REG_COMP_TEMP_START 0x88 #define BMP280_COMP_TEMP_REG_COUNT 6 #define BMP280_REG_COMP_PRESS_START 0x8E #define BMP280_COMP_PRESS_REG_COUNT 18 #define BMP280_COMP_H5_MASK GENMASK(15, 4) #define BMP280_CONTIGUOUS_CALIB_REGS (BMP280_COMP_TEMP_REG_COUNT + \ BMP280_COMP_PRESS_REG_COUNT) #define BMP280_FILTER_MASK GENMASK(4, 2) #define BMP280_FILTER_OFF 0 #define BMP280_FILTER_2X 1 #define BMP280_FILTER_4X 2 #define BMP280_FILTER_8X 3 #define BMP280_FILTER_16X 4 #define BMP280_OSRS_HUMIDITY_MASK GENMASK(2, 0) #define BMP280_OSRS_HUMIDITY_SKIP 0 #define BMP280_OSRS_HUMIDITY_1X 1 #define BMP280_OSRS_HUMIDITY_2X 2 #define BMP280_OSRS_HUMIDITY_4X 3 #define BMP280_OSRS_HUMIDITY_8X 4 #define BMP280_OSRS_HUMIDITY_16X 5 #define BMP280_OSRS_TEMP_MASK GENMASK(7, 5) #define BMP280_OSRS_TEMP_SKIP 0 #define BMP280_OSRS_TEMP_1X 1 #define BMP280_OSRS_TEMP_2X 2 #define BMP280_OSRS_TEMP_4X 3 #define BMP280_OSRS_TEMP_8X 4 #define BMP280_OSRS_TEMP_16X 5 #define BMP280_OSRS_PRESS_MASK GENMASK(4, 2) #define BMP280_OSRS_PRESS_SKIP 0 #define BMP280_OSRS_PRESS_1X 1 #define BMP280_OSRS_PRESS_2X 2 #define BMP280_OSRS_PRESS_4X 3 #define BMP280_OSRS_PRESS_8X 4 #define BMP280_OSRS_PRESS_16X 5 #define BMP280_MODE_MASK GENMASK(1, 0) #define BMP280_MODE_SLEEP 0 #define BMP280_MODE_FORCED 1 #define BMP280_MODE_NORMAL 3 /* BMP180 specific registers */ #define BMP180_REG_OUT_XLSB 0xF8 #define BMP180_REG_OUT_LSB 0xF7 #define BMP180_REG_OUT_MSB 0xF6 #define BMP180_REG_CALIB_START 0xAA #define BMP180_REG_CALIB_COUNT 22 #define BMP180_MEAS_CTRL_MASK GENMASK(4, 0) #define BMP180_MEAS_TEMP 0x0E #define BMP180_MEAS_PRESS 0x14 #define BMP180_MEAS_SCO BIT(5) #define BMP180_OSRS_PRESS_MASK GENMASK(7, 6) #define BMP180_MEAS_PRESS_1X 0 #define BMP180_MEAS_PRESS_2X 1 #define BMP180_MEAS_PRESS_4X 2 #define BMP180_MEAS_PRESS_8X 3 /* BMP180 and BMP280 common registers */ #define BMP280_REG_CTRL_MEAS 0xF4 #define BMP280_REG_RESET 0xE0 #define BMP280_REG_ID 0xD0 #define BMP380_CHIP_ID 0x50 #define BMP580_CHIP_ID 0x50 #define BMP580_CHIP_ID_ALT 0x51 #define BMP180_CHIP_ID 0x55 #define BMP280_CHIP_ID 0x58 #define BME280_CHIP_ID 0x60 #define BMP280_SOFT_RESET_VAL 0xB6 /* BMP280 register skipped special values */ #define BMP280_TEMP_SKIPPED 0x80000 #define BMP280_PRESS_SKIPPED 0x80000 #define BMP280_HUMIDITY_SKIPPED 0x8000 /* Core exported structs */ static const char *const bmp280_supply_names[] = { "vddd", "vdda" }; #define BMP280_NUM_SUPPLIES ARRAY_SIZE(bmp280_supply_names) struct bmp180_calib { s16 AC1; s16 AC2; s16 AC3; u16 AC4; u16 AC5; u16 AC6; s16 B1; s16 B2; s16 MB; s16 MC; s16 MD; }; /* See datasheet Section 4.2.2. */ struct bmp280_calib { u16 T1; s16 T2; s16 T3; u16 P1; s16 P2; s16 P3; s16 P4; s16 P5; s16 P6; s16 P7; s16 P8; s16 P9; u8 H1; s16 H2; u8 H3; s16 H4; s16 H5; s8 H6; }; /* See datasheet Section 3.11.1. */ struct bmp380_calib { u16 T1; u16 T2; s8 T3; s16 P1; s16 P2; s8 P3; s8 P4; u16 P5; u16 P6; s8 P7; s8 P8; s16 P9; s8 P10; s8 P11; }; struct bmp280_data { struct device *dev; struct mutex lock; struct regmap *regmap; struct completion done; bool use_eoc; const struct bmp280_chip_info *chip_info; union { struct bmp180_calib bmp180; struct bmp280_calib bmp280; struct bmp380_calib bmp380; } calib; struct regulator_bulk_data supplies[BMP280_NUM_SUPPLIES]; unsigned int start_up_time; /* in microseconds */ /* log of base 2 of oversampling rate */ u8 oversampling_press; u8 oversampling_temp; u8 oversampling_humid; u8 iir_filter_coeff; /* * BMP380 devices introduce sampling frequency configuration. See * datasheet sections 3.3.3. and 4.3.19 for more details. * * BMx280 devices allowed indirect configuration of sampling frequency * changing the t_standby duration between measurements, as detailed on * section 3.6.3 of the datasheet. */ int sampling_freq; /* * Carryover value from temperature conversion, used in pressure * calculation. */ s32 t_fine; /* * DMA (thus cache coherency maintenance) may require the * transfer buffers to live in their own cache lines. */ union { /* Sensor data buffer */ u8 buf[3]; /* Calibration data buffers */ __le16 bmp280_cal_buf[BMP280_CONTIGUOUS_CALIB_REGS / 2]; __be16 bmp180_cal_buf[BMP180_REG_CALIB_COUNT / 2]; u8 bmp380_cal_buf[BMP380_CALIB_REG_COUNT]; /* Miscellaneous, endianess-aware data buffers */ __le16 le16; __be16 be16; } __aligned(IIO_DMA_MINALIGN); }; struct bmp280_chip_info { unsigned int id_reg; const unsigned int chip_id; const struct regmap_config *regmap_config; const struct iio_chan_spec *channels; int num_channels; unsigned int start_up_time; const int *oversampling_temp_avail; int num_oversampling_temp_avail; int oversampling_temp_default; const int *oversampling_press_avail; int num_oversampling_press_avail; int oversampling_press_default; const int *oversampling_humid_avail; int num_oversampling_humid_avail; int oversampling_humid_default; const int *iir_filter_coeffs_avail; int num_iir_filter_coeffs_avail; int iir_filter_coeff_default; const int (*sampling_freq_avail)[2]; int num_sampling_freq_avail; int sampling_freq_default; int (*chip_config)(struct bmp280_data *); int (*read_temp)(struct bmp280_data *, int *, int *); int (*read_press)(struct bmp280_data *, int *, int *); int (*read_humid)(struct bmp280_data *, int *, int *); int (*read_calib)(struct bmp280_data *); int (*preinit)(struct bmp280_data *); }; /* Chip infos for each variant */ extern const struct bmp280_chip_info bmp180_chip_info; extern const struct bmp280_chip_info bmp280_chip_info; extern const struct bmp280_chip_info bme280_chip_info; extern const struct bmp280_chip_info bmp380_chip_info; extern const struct bmp280_chip_info bmp580_chip_info; /* Regmap configurations */ extern const struct regmap_config bmp180_regmap_config; extern const struct regmap_config bmp280_regmap_config; extern const struct regmap_config bmp380_regmap_config; extern const struct regmap_config bmp580_regmap_config; /* Probe called from different transports */ int bmp280_common_probe(struct device *dev, struct regmap *regmap, const struct bmp280_chip_info *, const char *name, int irq); /* PM ops */ extern const struct dev_pm_ops bmp280_dev_pm_ops;
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