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121 lines
2.7 KiB
121 lines
2.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* STMicroelectronics magnetometers driver |
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* |
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* Copyright 2012-2013 STMicroelectronics Inc. |
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* |
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* Denis Ciocca <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/i2c.h> |
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#include <linux/iio/iio.h> |
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#include <linux/iio/common/st_sensors.h> |
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#include <linux/iio/common/st_sensors_i2c.h> |
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#include "st_magn.h" |
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static const struct of_device_id st_magn_of_match[] = { |
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{ |
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.compatible = "st,lsm303dlh-magn", |
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.data = LSM303DLH_MAGN_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm303dlhc-magn", |
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.data = LSM303DLHC_MAGN_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm303dlm-magn", |
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.data = LSM303DLM_MAGN_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lis3mdl-magn", |
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.data = LIS3MDL_MAGN_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm303agr-magn", |
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.data = LSM303AGR_MAGN_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lis2mdl", |
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.data = LIS2MDL_MAGN_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm9ds1-magn", |
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.data = LSM9DS1_MAGN_DEV_NAME, |
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}, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, st_magn_of_match); |
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static int st_magn_i2c_probe(struct i2c_client *client, |
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const struct i2c_device_id *id) |
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{ |
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const struct st_sensor_settings *settings; |
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struct st_sensor_data *mdata; |
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struct iio_dev *indio_dev; |
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int err; |
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st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name)); |
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settings = st_magn_get_settings(client->name); |
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if (!settings) { |
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dev_err(&client->dev, "device name %s not recognized.\n", |
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client->name); |
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return -ENODEV; |
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} |
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indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mdata)); |
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if (!indio_dev) |
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return -ENOMEM; |
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mdata = iio_priv(indio_dev); |
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mdata->sensor_settings = (struct st_sensor_settings *)settings; |
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err = st_sensors_i2c_configure(indio_dev, client); |
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if (err < 0) |
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return err; |
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err = st_magn_common_probe(indio_dev); |
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if (err < 0) |
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return err; |
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return 0; |
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} |
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static int st_magn_i2c_remove(struct i2c_client *client) |
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{ |
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struct iio_dev *indio_dev = i2c_get_clientdata(client); |
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st_magn_common_remove(indio_dev); |
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return 0; |
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} |
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static const struct i2c_device_id st_magn_id_table[] = { |
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{ LSM303DLH_MAGN_DEV_NAME }, |
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{ LSM303DLHC_MAGN_DEV_NAME }, |
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{ LSM303DLM_MAGN_DEV_NAME }, |
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{ LIS3MDL_MAGN_DEV_NAME }, |
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{ LSM303AGR_MAGN_DEV_NAME }, |
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{ LIS2MDL_MAGN_DEV_NAME }, |
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{ LSM9DS1_MAGN_DEV_NAME }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(i2c, st_magn_id_table); |
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static struct i2c_driver st_magn_driver = { |
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.driver = { |
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.name = "st-magn-i2c", |
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.of_match_table = st_magn_of_match, |
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}, |
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.probe = st_magn_i2c_probe, |
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.remove = st_magn_i2c_remove, |
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.id_table = st_magn_id_table, |
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}; |
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module_i2c_driver(st_magn_driver); |
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MODULE_AUTHOR("Denis Ciocca <[email protected]>"); |
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MODULE_DESCRIPTION("STMicroelectronics magnetometers i2c driver"); |
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MODULE_LICENSE("GPL v2");
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