// SPDX-License-Identifier: GPL-2.0+ /* * atlas-sensor.c - Support for Atlas Scientific OEM SM sensors * * Copyright (C) 2015-2019 Konsulko Group * Author: Matt Ranostay <[email protected]> */ #include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/mutex.h> #include <linux/err.h> #include <linux/irq.h> #include <linux/irq_work.h> #include <linux/i2c.h> #include <linux/mod_devicetable.h> #include <linux/regmap.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> #include <linux/iio/trigger.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> #include <linux/pm_runtime.h> #define ATLAS_REGMAP_NAME … #define ATLAS_DRV_NAME … #define ATLAS_REG_DEV_TYPE … #define ATLAS_REG_DEV_VERSION … #define ATLAS_REG_INT_CONTROL … #define ATLAS_REG_INT_CONTROL_EN … #define ATLAS_REG_PWR_CONTROL … #define ATLAS_REG_PH_CALIB_STATUS … #define ATLAS_REG_PH_CALIB_STATUS_MASK … #define ATLAS_REG_PH_CALIB_STATUS_LOW … #define ATLAS_REG_PH_CALIB_STATUS_MID … #define ATLAS_REG_PH_CALIB_STATUS_HIGH … #define ATLAS_REG_EC_CALIB_STATUS … #define ATLAS_REG_EC_CALIB_STATUS_MASK … #define ATLAS_REG_EC_CALIB_STATUS_DRY … #define ATLAS_REG_EC_CALIB_STATUS_SINGLE … #define ATLAS_REG_EC_CALIB_STATUS_LOW … #define ATLAS_REG_EC_CALIB_STATUS_HIGH … #define ATLAS_REG_DO_CALIB_STATUS … #define ATLAS_REG_DO_CALIB_STATUS_MASK … #define ATLAS_REG_DO_CALIB_STATUS_PRESSURE … #define ATLAS_REG_DO_CALIB_STATUS_DO … #define ATLAS_REG_RTD_DATA … #define ATLAS_REG_PH_TEMP_DATA … #define ATLAS_REG_PH_DATA … #define ATLAS_REG_EC_PROBE … #define ATLAS_REG_EC_TEMP_DATA … #define ATLAS_REG_EC_DATA … #define ATLAS_REG_TDS_DATA … #define ATLAS_REG_PSS_DATA … #define ATLAS_REG_ORP_CALIB_STATUS … #define ATLAS_REG_ORP_DATA … #define ATLAS_REG_DO_TEMP_DATA … #define ATLAS_REG_DO_DATA … #define ATLAS_PH_INT_TIME_IN_MS … #define ATLAS_EC_INT_TIME_IN_MS … #define ATLAS_ORP_INT_TIME_IN_MS … #define ATLAS_DO_INT_TIME_IN_MS … #define ATLAS_RTD_INT_TIME_IN_MS … enum { … }; struct atlas_data { … }; static const struct regmap_config atlas_regmap_config = …; static int atlas_buffer_num_channels(const struct iio_chan_spec *spec) { int idx = 0; for (; spec->type != IIO_TIMESTAMP; spec++) idx++; return idx; }; static const struct iio_chan_spec atlas_ph_channels[] = …; #define ATLAS_CONCENTRATION_CHANNEL(_idx, _addr) … static const struct iio_chan_spec atlas_ec_channels[] = …; static const struct iio_chan_spec atlas_orp_channels[] = …; static const struct iio_chan_spec atlas_do_channels[] = …; static const struct iio_chan_spec atlas_rtd_channels[] = …; static int atlas_check_ph_calibration(struct atlas_data *data) { … } static int atlas_check_ec_calibration(struct atlas_data *data) { … } static int atlas_check_orp_calibration(struct atlas_data *data) { … } static int atlas_check_do_calibration(struct atlas_data *data) { … } struct atlas_device { … }; static const struct atlas_device atlas_devices[] = …; static int atlas_set_powermode(struct atlas_data *data, int on) { … } static int atlas_set_interrupt(struct atlas_data *data, bool state) { … } static int atlas_buffer_postenable(struct iio_dev *indio_dev) { … } static int atlas_buffer_predisable(struct iio_dev *indio_dev) { … } static const struct iio_buffer_setup_ops atlas_buffer_setup_ops = …; static void atlas_work_handler(struct irq_work *work) { … } static irqreturn_t atlas_trigger_handler(int irq, void *private) { … } static irqreturn_t atlas_interrupt_handler(int irq, void *private) { … } static int atlas_read_measurement(struct atlas_data *data, int reg, __be32 *val) { … } static int atlas_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { … } static int atlas_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long mask) { … } static const struct iio_info atlas_info = …; static const struct i2c_device_id atlas_id[] = …; MODULE_DEVICE_TABLE(i2c, atlas_id); static const struct of_device_id atlas_dt_ids[] = …; MODULE_DEVICE_TABLE(of, atlas_dt_ids); static int atlas_probe(struct i2c_client *client) { … } static void atlas_remove(struct i2c_client *client) { … } static int atlas_runtime_suspend(struct device *dev) { … } static int atlas_runtime_resume(struct device *dev) { … } static const struct dev_pm_ops atlas_pm_ops = …; static struct i2c_driver atlas_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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