// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2013 Samsung Electronics Co., Ltd. * Author: Beomho Seo <[email protected]> */ #include <linux/delay.h> #include <linux/err.h> #include <linux/i2c.h> #include <linux/mutex.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/regulator/consumer.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/events.h> /* Slave address 0x19 for PS of 7 bit addressing protocol for I2C */ #define CM36651_I2C_ADDR_PS … /* Alert Response Address */ #define CM36651_ARA … /* Ambient light sensor */ #define CM36651_CS_CONF1 … #define CM36651_CS_CONF2 … #define CM36651_ALS_WH_M … #define CM36651_ALS_WH_L … #define CM36651_ALS_WL_M … #define CM36651_ALS_WL_L … #define CM36651_CS_CONF3 … #define CM36651_CS_CONF_REG_NUM … /* Proximity sensor */ #define CM36651_PS_CONF1 … #define CM36651_PS_THD … #define CM36651_PS_CANC … #define CM36651_PS_CONF2 … #define CM36651_PS_REG_NUM … /* CS_CONF1 command code */ #define CM36651_ALS_ENABLE … #define CM36651_ALS_DISABLE … #define CM36651_ALS_INT_EN … #define CM36651_ALS_THRES … /* CS_CONF2 command code */ #define CM36651_CS_CONF2_DEFAULT_BIT … /* CS_CONF3 channel integration time */ #define CM36651_CS_IT1 … #define CM36651_CS_IT2 … #define CM36651_CS_IT3 … #define CM36651_CS_IT4 … /* PS_CONF1 command code */ #define CM36651_PS_ENABLE … #define CM36651_PS_DISABLE … #define CM36651_PS_INT_EN … #define CM36651_PS_PERS2 … #define CM36651_PS_PERS3 … #define CM36651_PS_PERS4 … /* PS_CONF1 command code: integration time */ #define CM36651_PS_IT1 … #define CM36651_PS_IT2 … #define CM36651_PS_IT3 … #define CM36651_PS_IT4 … /* PS_CONF1 command code: duty ratio */ #define CM36651_PS_DR1 … #define CM36651_PS_DR2 … #define CM36651_PS_DR3 … #define CM36651_PS_DR4 … /* PS_THD command code */ #define CM36651_PS_INITIAL_THD … /* PS_CANC command code */ #define CM36651_PS_CANC_DEFAULT … /* PS_CONF2 command code */ #define CM36651_PS_HYS1 … #define CM36651_PS_HYS2 … #define CM36651_PS_SMART_PERS_EN … #define CM36651_PS_DIR_INT … #define CM36651_PS_MS … #define CM36651_CS_COLOR_NUM … #define CM36651_CLOSE_PROXIMITY … #define CM36651_FAR_PROXIMITY … #define CM36651_CS_INT_TIME_AVAIL … #define CM36651_PS_INT_TIME_AVAIL … enum cm36651_operation_mode { … }; enum cm36651_light_channel_idx { … }; enum cm36651_command { … }; static const u8 cm36651_cs_reg[CM36651_CS_CONF_REG_NUM] = …; static const u8 cm36651_ps_reg[CM36651_PS_REG_NUM] = …; struct cm36651_data { … }; static int cm36651_setup_reg(struct cm36651_data *cm36651) { … } static int cm36651_read_output(struct cm36651_data *cm36651, struct iio_chan_spec const *chan, int *val) { … } static irqreturn_t cm36651_irq_handler(int irq, void *data) { … } static int cm36651_set_operation_mode(struct cm36651_data *cm36651, int cmd) { … } static int cm36651_read_channel(struct cm36651_data *cm36651, struct iio_chan_spec const *chan, int *val) { … } static int cm36651_read_int_time(struct cm36651_data *cm36651, struct iio_chan_spec const *chan, int *val2) { … } static int cm36651_write_int_time(struct cm36651_data *cm36651, struct iio_chan_spec const *chan, int val) { … } static int cm36651_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { … } static int cm36651_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long mask) { … } static int cm36651_read_prox_thresh(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, enum iio_event_info info, int *val, int *val2) { … } static int cm36651_write_prox_thresh(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, enum iio_event_info info, int val, int val2) { … } static int cm36651_write_prox_event_config(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, int state) { … } static int cm36651_read_prox_event_config(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir) { … } #define CM36651_LIGHT_CHANNEL(_color, _idx) … \ static const struct iio_event_spec cm36651_event_spec[] = …; static const struct iio_chan_spec cm36651_channels[] = …; static IIO_CONST_ATTR(in_illuminance_integration_time_available, CM36651_CS_INT_TIME_AVAIL); static IIO_CONST_ATTR(in_proximity_integration_time_available, CM36651_PS_INT_TIME_AVAIL); static struct attribute *cm36651_attributes[] = …; static const struct attribute_group cm36651_attribute_group = …; static const struct iio_info cm36651_info = …; static int cm36651_probe(struct i2c_client *client) { … } static void cm36651_remove(struct i2c_client *client) { … } static const struct i2c_device_id cm36651_id[] = …; MODULE_DEVICE_TABLE(i2c, cm36651_id); static const struct of_device_id cm36651_of_match[] = …; MODULE_DEVICE_TABLE(of, cm36651_of_match); static struct i2c_driver cm36651_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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