#define pr_fmt(fmt) "bmp280: " fmt
-#include <linux/module.h>
-#include <linux/i2c.h>
-#include <linux/acpi.h>
-#include <linux/of.h>
+#include <linux/device.h>
#include <linux/regmap.h>
#include <linux/delay.h>
#include <linux/iio/iio.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
-/* 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
-
-#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_FILTER_MASK (BIT(4) | BIT(3) | BIT(2))
-#define BMP280_FILTER_OFF 0
-#define BMP280_FILTER_2X BIT(2)
-#define BMP280_FILTER_4X BIT(3)
-#define BMP280_FILTER_8X (BIT(3) | BIT(2))
-#define BMP280_FILTER_16X BIT(4)
-
-#define BMP280_OSRS_HUMIDITY_MASK (BIT(2) | BIT(1) | BIT(0))
-#define BMP280_OSRS_HUMIDITIY_X(osrs_h) ((osrs_h) << 0)
-#define BMP280_OSRS_HUMIDITY_SKIP 0
-#define BMP280_OSRS_HUMIDITY_1X BMP280_OSRS_HUMIDITIY_X(1)
-#define BMP280_OSRS_HUMIDITY_2X BMP280_OSRS_HUMIDITIY_X(2)
-#define BMP280_OSRS_HUMIDITY_4X BMP280_OSRS_HUMIDITIY_X(3)
-#define BMP280_OSRS_HUMIDITY_8X BMP280_OSRS_HUMIDITIY_X(4)
-#define BMP280_OSRS_HUMIDITY_16X BMP280_OSRS_HUMIDITIY_X(5)
-
-#define BMP280_OSRS_TEMP_MASK (BIT(7) | BIT(6) | BIT(5))
-#define BMP280_OSRS_TEMP_SKIP 0
-#define BMP280_OSRS_TEMP_X(osrs_t) ((osrs_t) << 5)
-#define BMP280_OSRS_TEMP_1X BMP280_OSRS_TEMP_X(1)
-#define BMP280_OSRS_TEMP_2X BMP280_OSRS_TEMP_X(2)
-#define BMP280_OSRS_TEMP_4X BMP280_OSRS_TEMP_X(3)
-#define BMP280_OSRS_TEMP_8X BMP280_OSRS_TEMP_X(4)
-#define BMP280_OSRS_TEMP_16X BMP280_OSRS_TEMP_X(5)
-
-#define BMP280_OSRS_PRESS_MASK (BIT(4) | BIT(3) | BIT(2))
-#define BMP280_OSRS_PRESS_SKIP 0
-#define BMP280_OSRS_PRESS_X(osrs_p) ((osrs_p) << 2)
-#define BMP280_OSRS_PRESS_1X BMP280_OSRS_PRESS_X(1)
-#define BMP280_OSRS_PRESS_2X BMP280_OSRS_PRESS_X(2)
-#define BMP280_OSRS_PRESS_4X BMP280_OSRS_PRESS_X(3)
-#define BMP280_OSRS_PRESS_8X BMP280_OSRS_PRESS_X(4)
-#define BMP280_OSRS_PRESS_16X BMP280_OSRS_PRESS_X(5)
-
-#define BMP280_MODE_MASK (BIT(1) | BIT(0))
-#define BMP280_MODE_SLEEP 0
-#define BMP280_MODE_FORCED BIT(0)
-#define BMP280_MODE_NORMAL (BIT(1) | BIT(0))
-
-/* 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_SCO BIT(5)
-#define BMP180_MEAS_TEMP (0x0E | BMP180_MEAS_SCO)
-#define BMP180_MEAS_PRESS_X(oss) ((oss) << 6 | 0x14 | BMP180_MEAS_SCO)
-#define BMP180_MEAS_PRESS_1X BMP180_MEAS_PRESS_X(0)
-#define BMP180_MEAS_PRESS_2X BMP180_MEAS_PRESS_X(1)
-#define BMP180_MEAS_PRESS_4X BMP180_MEAS_PRESS_X(2)
-#define BMP180_MEAS_PRESS_8X BMP180_MEAS_PRESS_X(3)
-
-/* BMP180 and BMP280 common registers */
-#define BMP280_REG_CTRL_MEAS 0xF4
-#define BMP280_REG_RESET 0xE0
-#define BMP280_REG_ID 0xD0
-
-#define BMP180_CHIP_ID 0x55
-#define BMP280_CHIP_ID 0x58
-#define BME280_CHIP_ID 0x60
-#define BMP280_SOFT_RESET_VAL 0xB6
+#include "bmp280.h"
struct bmp280_data {
- struct i2c_client *client;
+ struct device *dev;
struct mutex lock;
struct regmap *regmap;
const struct bmp280_chip_info *chip_info;
};
struct bmp280_chip_info {
- const struct regmap_config *regmap_config;
-
const int *oversampling_temp_avail;
int num_oversampling_temp_avail;
},
};
-static bool bmp280_is_writeable_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case BMP280_REG_CONFIG:
- case BMP280_REG_CTRL_HUMIDITY:
- case BMP280_REG_CTRL_MEAS:
- case BMP280_REG_RESET:
- return true;
- default:
- return false;
- };
-}
-
-static bool bmp280_is_volatile_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case BMP280_REG_HUMIDITY_LSB:
- case BMP280_REG_HUMIDITY_MSB:
- case BMP280_REG_TEMP_XLSB:
- case BMP280_REG_TEMP_LSB:
- case BMP280_REG_TEMP_MSB:
- case BMP280_REG_PRESS_XLSB:
- case BMP280_REG_PRESS_LSB:
- case BMP280_REG_PRESS_MSB:
- case BMP280_REG_STATUS:
- return true;
- default:
- return false;
- }
-}
-
-static const struct regmap_config bmp280_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = BMP280_REG_HUMIDITY_LSB,
- .cache_type = REGCACHE_RBTREE,
-
- .writeable_reg = bmp280_is_writeable_reg,
- .volatile_reg = bmp280_is_volatile_reg,
-};
-
/*
* Returns humidity in percent, resolution is 0.01 percent. Output value of
* "47445" represents 47445/1024 = 46.333 %RH.
static u32 bmp280_compensate_humidity(struct bmp280_data *data,
s32 adc_humidity)
{
- struct device *dev = &data->client->dev;
+ struct device *dev = data->dev;
unsigned int H1, H3, tmp;
int H2, H4, H5, H6, ret, var;
ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_TEMP_START,
buf, BMP280_COMP_TEMP_REG_COUNT);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"failed to read temperature calibration parameters\n");
return ret;
}
ret = regmap_bulk_read(data->regmap, BMP280_REG_COMP_PRESS_START,
buf, BMP280_COMP_PRESS_REG_COUNT);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"failed to read pressure calibration parameters\n");
return ret;
}
ret = regmap_bulk_read(data->regmap, BMP280_REG_TEMP_MSB,
(u8 *) &tmp, 3);
if (ret < 0) {
- dev_err(&data->client->dev, "failed to read temperature\n");
+ dev_err(data->dev, "failed to read temperature\n");
return ret;
}
ret = regmap_bulk_read(data->regmap, BMP280_REG_PRESS_MSB,
(u8 *) &tmp, 3);
if (ret < 0) {
- dev_err(&data->client->dev, "failed to read pressure\n");
+ dev_err(data->dev, "failed to read pressure\n");
return ret;
}
ret = regmap_bulk_read(data->regmap, BMP280_REG_HUMIDITY_MSB,
(u8 *) &tmp, 2);
if (ret < 0) {
- dev_err(&data->client->dev, "failed to read humidity\n");
+ dev_err(data->dev, "failed to read humidity\n");
return ret;
}
BMP280_MODE_MASK,
osrs | BMP280_MODE_NORMAL);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"failed to write ctrl_meas register\n");
return ret;
}
BMP280_FILTER_MASK,
BMP280_FILTER_4X);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"failed to write config register\n");
return ret;
}
static const int bmp280_oversampling_avail[] = { 1, 2, 4, 8, 16 };
static const struct bmp280_chip_info bmp280_chip_info = {
- .regmap_config = &bmp280_regmap_config,
-
.oversampling_temp_avail = bmp280_oversampling_avail,
.num_oversampling_temp_avail = ARRAY_SIZE(bmp280_oversampling_avail),
}
static const struct bmp280_chip_info bme280_chip_info = {
- .regmap_config = &bmp280_regmap_config,
-
.oversampling_temp_avail = bmp280_oversampling_avail,
.num_oversampling_temp_avail = ARRAY_SIZE(bmp280_oversampling_avail),
.read_humid = bmp280_read_humid,
};
-
-static bool bmp180_is_writeable_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case BMP280_REG_CTRL_MEAS:
- case BMP280_REG_RESET:
- return true;
- default:
- return false;
- };
-}
-
-static bool bmp180_is_volatile_reg(struct device *dev, unsigned int reg)
-{
- switch (reg) {
- case BMP180_REG_OUT_XLSB:
- case BMP180_REG_OUT_LSB:
- case BMP180_REG_OUT_MSB:
- case BMP280_REG_CTRL_MEAS:
- return true;
- default:
- return false;
- }
-}
-
-static const struct regmap_config bmp180_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
-
- .max_register = BMP180_REG_OUT_XLSB,
- .cache_type = REGCACHE_RBTREE,
-
- .writeable_reg = bmp180_is_writeable_reg,
- .volatile_reg = bmp180_is_volatile_reg,
-};
-
static int bmp180_measure(struct bmp280_data *data, u8 ctrl_meas)
{
int ret;
ret = bmp180_read_calib(data, &calib);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"failed to read calibration coefficients\n");
return ret;
}
ret = bmp180_read_calib(data, &calib);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"failed to read calibration coefficients\n");
return ret;
}
static const int bmp180_oversampling_press_avail[] = { 1, 2, 4, 8 };
static const struct bmp280_chip_info bmp180_chip_info = {
- .regmap_config = &bmp180_regmap_config,
-
.oversampling_temp_avail = bmp180_oversampling_temp_avail,
.num_oversampling_temp_avail =
ARRAY_SIZE(bmp180_oversampling_temp_avail),
.read_press = bmp180_read_press,
};
-static int bmp280_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+int bmp280_common_probe(struct device *dev,
+ struct regmap *regmap,
+ unsigned int chip,
+ const char *name)
{
int ret;
struct iio_dev *indio_dev;
unsigned int chip_id;
struct gpio_desc *gpiod;
- indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
return -ENOMEM;
data = iio_priv(indio_dev);
mutex_init(&data->lock);
- data->client = client;
+ data->dev = dev;
- indio_dev->dev.parent = &client->dev;
- indio_dev->name = id->name;
+ indio_dev->dev.parent = dev;
+ indio_dev->name = name;
indio_dev->channels = bmp280_channels;
indio_dev->info = &bmp280_info;
indio_dev->modes = INDIO_DIRECT_MODE;
- switch (id->driver_data) {
+ switch (chip) {
case BMP180_CHIP_ID:
indio_dev->num_channels = 2;
data->chip_info = &bmp180_chip_info;
}
/* Bring up regulators */
- data->vddd = devm_regulator_get(&client->dev, "vddd");
+ data->vddd = devm_regulator_get(dev, "vddd");
if (IS_ERR(data->vddd)) {
- dev_err(&client->dev, "failed to get VDDD regulator\n");
+ dev_err(dev, "failed to get VDDD regulator\n");
return PTR_ERR(data->vddd);
}
ret = regulator_enable(data->vddd);
if (ret) {
- dev_err(&client->dev, "failed to enable VDDD regulator\n");
+ dev_err(dev, "failed to enable VDDD regulator\n");
return ret;
}
- data->vdda = devm_regulator_get(&client->dev, "vdda");
+ data->vdda = devm_regulator_get(dev, "vdda");
if (IS_ERR(data->vdda)) {
- dev_err(&client->dev, "failed to get VDDA regulator\n");
+ dev_err(dev, "failed to get VDDA regulator\n");
ret = PTR_ERR(data->vddd);
goto out_disable_vddd;
}
ret = regulator_enable(data->vdda);
if (ret) {
- dev_err(&client->dev, "failed to enable VDDA regulator\n");
+ dev_err(dev, "failed to enable VDDA regulator\n");
goto out_disable_vddd;
}
/* Wait to make sure we started up properly */
mdelay(data->start_up_time);
/* Bring chip out of reset if there is an assigned GPIO line */
- gpiod = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
+ gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
/* Deassert the signal */
if (!IS_ERR(gpiod)) {
- dev_info(&client->dev, "release reset\n");
+ dev_info(dev, "release reset\n");
gpiod_set_value(gpiod, 0);
}
- data->regmap = devm_regmap_init_i2c(client,
- data->chip_info->regmap_config);
- if (IS_ERR(data->regmap)) {
- dev_err(&client->dev, "failed to allocate register map\n");
- ret = PTR_ERR(data->regmap);
- goto out_disable_vdda;
- }
-
- ret = regmap_read(data->regmap, BMP280_REG_ID, &chip_id);
+ data->regmap = regmap;
+ ret = regmap_read(regmap, BMP280_REG_ID, &chip_id);
if (ret < 0)
- return ret;
- if (chip_id != id->driver_data) {
- dev_err(&client->dev, "bad chip id. expected %lx got %x\n",
- id->driver_data, chip_id);
+ goto out_disable_vdda;
+ if (chip_id != chip) {
+ dev_err(dev, "bad chip id: expected %x got %x\n",
+ chip, chip_id);
ret = -EINVAL;
goto out_disable_vdda;
}
if (ret < 0)
goto out_disable_vdda;
- i2c_set_clientdata(client, indio_dev);
+ dev_set_drvdata(dev, indio_dev);
ret = iio_device_register(indio_dev);
if (ret)
return ret;
}
-static int bmp280_remove(struct i2c_client *client)
+int bmp280_common_remove(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmp280_data *data = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
regulator_disable(data->vddd);
return 0;
}
-
-static const struct acpi_device_id bmp280_acpi_match[] = {
- {"BMP0280", BMP280_CHIP_ID },
- {"BMP0180", BMP180_CHIP_ID },
- {"BMP0085", BMP180_CHIP_ID },
- {"BME0280", BME280_CHIP_ID },
- { },
-};
-MODULE_DEVICE_TABLE(acpi, bmp280_acpi_match);
-
-#ifdef CONFIG_OF
-static const struct of_device_id bmp280_of_match[] = {
- { .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
- { .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
- { .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
- { .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
- { },
-};
-MODULE_DEVICE_TABLE(of, bmp280_of_match);
-#else
-#define bmp280_of_match NULL
-#endif
-
-static const struct i2c_device_id bmp280_id[] = {
- {"bmp280", BMP280_CHIP_ID },
- {"bmp180", BMP180_CHIP_ID },
- {"bmp085", BMP180_CHIP_ID },
- {"bme280", BME280_CHIP_ID },
- { },
-};
-MODULE_DEVICE_TABLE(i2c, bmp280_id);
-
-static struct i2c_driver bmp280_driver = {
- .driver = {
- .name = "bmp280",
- .acpi_match_table = ACPI_PTR(bmp280_acpi_match),
- .of_match_table = of_match_ptr(bmp280_of_match),
- },
- .probe = bmp280_probe,
- .remove = bmp280_remove,
- .id_table = bmp280_id,
-};
-module_i2c_driver(bmp280_driver);
-
-MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
-MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
-MODULE_LICENSE("GPL v2");
--- /dev/null
+#include <linux/bitops.h>
+#include <linux/device.h>
+#include <linux/regmap.h>
+
+/* 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
+
+#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_FILTER_MASK (BIT(4) | BIT(3) | BIT(2))
+#define BMP280_FILTER_OFF 0
+#define BMP280_FILTER_2X BIT(2)
+#define BMP280_FILTER_4X BIT(3)
+#define BMP280_FILTER_8X (BIT(3) | BIT(2))
+#define BMP280_FILTER_16X BIT(4)
+
+#define BMP280_OSRS_HUMIDITY_MASK (BIT(2) | BIT(1) | BIT(0))
+#define BMP280_OSRS_HUMIDITIY_X(osrs_h) ((osrs_h) << 0)
+#define BMP280_OSRS_HUMIDITY_SKIP 0
+#define BMP280_OSRS_HUMIDITY_1X BMP280_OSRS_HUMIDITIY_X(1)
+#define BMP280_OSRS_HUMIDITY_2X BMP280_OSRS_HUMIDITIY_X(2)
+#define BMP280_OSRS_HUMIDITY_4X BMP280_OSRS_HUMIDITIY_X(3)
+#define BMP280_OSRS_HUMIDITY_8X BMP280_OSRS_HUMIDITIY_X(4)
+#define BMP280_OSRS_HUMIDITY_16X BMP280_OSRS_HUMIDITIY_X(5)
+
+#define BMP280_OSRS_TEMP_MASK (BIT(7) | BIT(6) | BIT(5))
+#define BMP280_OSRS_TEMP_SKIP 0
+#define BMP280_OSRS_TEMP_X(osrs_t) ((osrs_t) << 5)
+#define BMP280_OSRS_TEMP_1X BMP280_OSRS_TEMP_X(1)
+#define BMP280_OSRS_TEMP_2X BMP280_OSRS_TEMP_X(2)
+#define BMP280_OSRS_TEMP_4X BMP280_OSRS_TEMP_X(3)
+#define BMP280_OSRS_TEMP_8X BMP280_OSRS_TEMP_X(4)
+#define BMP280_OSRS_TEMP_16X BMP280_OSRS_TEMP_X(5)
+
+#define BMP280_OSRS_PRESS_MASK (BIT(4) | BIT(3) | BIT(2))
+#define BMP280_OSRS_PRESS_SKIP 0
+#define BMP280_OSRS_PRESS_X(osrs_p) ((osrs_p) << 2)
+#define BMP280_OSRS_PRESS_1X BMP280_OSRS_PRESS_X(1)
+#define BMP280_OSRS_PRESS_2X BMP280_OSRS_PRESS_X(2)
+#define BMP280_OSRS_PRESS_4X BMP280_OSRS_PRESS_X(3)
+#define BMP280_OSRS_PRESS_8X BMP280_OSRS_PRESS_X(4)
+#define BMP280_OSRS_PRESS_16X BMP280_OSRS_PRESS_X(5)
+
+#define BMP280_MODE_MASK (BIT(1) | BIT(0))
+#define BMP280_MODE_SLEEP 0
+#define BMP280_MODE_FORCED BIT(0)
+#define BMP280_MODE_NORMAL (BIT(1) | BIT(0))
+
+/* 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_SCO BIT(5)
+#define BMP180_MEAS_TEMP (0x0E | BMP180_MEAS_SCO)
+#define BMP180_MEAS_PRESS_X(oss) ((oss) << 6 | 0x14 | BMP180_MEAS_SCO)
+#define BMP180_MEAS_PRESS_1X BMP180_MEAS_PRESS_X(0)
+#define BMP180_MEAS_PRESS_2X BMP180_MEAS_PRESS_X(1)
+#define BMP180_MEAS_PRESS_4X BMP180_MEAS_PRESS_X(2)
+#define BMP180_MEAS_PRESS_8X BMP180_MEAS_PRESS_X(3)
+
+/* BMP180 and BMP280 common registers */
+#define BMP280_REG_CTRL_MEAS 0xF4
+#define BMP280_REG_RESET 0xE0
+#define BMP280_REG_ID 0xD0
+
+#define BMP180_CHIP_ID 0x55
+#define BMP280_CHIP_ID 0x58
+#define BME280_CHIP_ID 0x60
+#define BMP280_SOFT_RESET_VAL 0xB6
+
+/* Regmap configurations */
+extern const struct regmap_config bmp180_regmap_config;
+extern const struct regmap_config bmp280_regmap_config;
+
+/* Probe called from different transports */
+int bmp280_common_probe(struct device *dev,
+ struct regmap *regmap,
+ unsigned int chip,
+ const char *name);
+int bmp280_common_remove(struct device *dev);
projects / linux.git / commitdiff