92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/acpi.h>
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#include <linux/of.h>
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#include <linux/regmap.h>
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#include "bmp280.h"
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static int bmp280_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct regmap *regmap;
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const struct regmap_config *regmap_config;
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switch (id->driver_data) {
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case BMP180_CHIP_ID:
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regmap_config = &bmp180_regmap_config;
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break;
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case BMP280_CHIP_ID:
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case BME280_CHIP_ID:
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regmap_config = &bmp280_regmap_config;
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break;
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default:
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return -EINVAL;
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}
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regmap = devm_regmap_init_i2c(client, regmap_config);
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if (IS_ERR(regmap)) {
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dev_err(&client->dev, "failed to allocate register map\n");
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return PTR_ERR(regmap);
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}
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return bmp280_common_probe(&client->dev,
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regmap,
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id->driver_data,
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id->name,
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client->irq);
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}
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static int bmp280_i2c_remove(struct i2c_client *client)
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{
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return bmp280_common_remove(&client->dev);
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}
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static const struct acpi_device_id bmp280_acpi_i2c_match[] = {
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{"BMP0280", BMP280_CHIP_ID },
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{"BMP0180", BMP180_CHIP_ID },
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{"BMP0085", BMP180_CHIP_ID },
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{"BME0280", BME280_CHIP_ID },
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{ },
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};
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MODULE_DEVICE_TABLE(acpi, bmp280_acpi_i2c_match);
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#ifdef CONFIG_OF
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static const struct of_device_id bmp280_of_i2c_match[] = {
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{ .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
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{ .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
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{ .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
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{ .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
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{ },
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};
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MODULE_DEVICE_TABLE(of, bmp280_of_i2c_match);
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#else
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#define bmp280_of_i2c_match NULL
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#endif
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static const struct i2c_device_id bmp280_i2c_id[] = {
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{"bmp280", BMP280_CHIP_ID },
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{"bmp180", BMP180_CHIP_ID },
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{"bmp085", BMP180_CHIP_ID },
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{"bme280", BME280_CHIP_ID },
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{ },
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};
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MODULE_DEVICE_TABLE(i2c, bmp280_i2c_id);
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static struct i2c_driver bmp280_i2c_driver = {
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.driver = {
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.name = "bmp280",
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.acpi_match_table = ACPI_PTR(bmp280_acpi_i2c_match),
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.of_match_table = of_match_ptr(bmp280_of_i2c_match),
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.pm = &bmp280_dev_pm_ops,
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},
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.probe = bmp280_i2c_probe,
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.remove = bmp280_i2c_remove,
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.id_table = bmp280_i2c_id,
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};
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module_i2c_driver(bmp280_i2c_driver);
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MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
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MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");
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MODULE_LICENSE("GPL v2");
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