// SPDX-License-Identifier: GPL-2.0-only /* * adjd_s311.c - Support for ADJD-S311-CR999 digital color sensor * * Copyright (C) 2012 Peter Meerwald <[email protected]> * * driver for ADJD-S311-CR999 digital color sensor (10-bit channels for * red, green, blue, clear); 7-bit I2C slave address 0x74 * * limitations: no calibration, no offset mode, no sleep mode */ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/bitmap.h> #include <linux/err.h> #include <linux/irq.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/buffer.h> #include <linux/iio/triggered_buffer.h> #define ADJD_S311_DRV_NAME … #define ADJD_S311_CTRL … #define ADJD_S311_CONFIG … #define ADJD_S311_CAP_RED … #define ADJD_S311_CAP_GREEN … #define ADJD_S311_CAP_BLUE … #define ADJD_S311_CAP_CLEAR … #define ADJD_S311_INT_RED … #define ADJD_S311_INT_GREEN … #define ADJD_S311_INT_BLUE … #define ADJD_S311_INT_CLEAR … #define ADJD_S311_DATA_RED … #define ADJD_S311_DATA_GREEN … #define ADJD_S311_DATA_BLUE … #define ADJD_S311_DATA_CLEAR … #define ADJD_S311_OFFSET_RED … #define ADJD_S311_OFFSET_GREEN … #define ADJD_S311_OFFSET_BLUE … #define ADJD_S311_OFFSET_CLEAR … #define ADJD_S311_CTRL_GOFS … #define ADJD_S311_CTRL_GSSR … #define ADJD_S311_CAP_MASK … #define ADJD_S311_INT_MASK … #define ADJD_S311_DATA_MASK … struct adjd_s311_data { … }; enum adjd_s311_channel_idx { … }; #define ADJD_S311_DATA_REG(chan) … #define ADJD_S311_INT_REG(chan) … #define ADJD_S311_CAP_REG(chan) … static int adjd_s311_req_data(struct iio_dev *indio_dev) { … } static int adjd_s311_read_data(struct iio_dev *indio_dev, u8 reg, int *val) { … } static irqreturn_t adjd_s311_trigger_handler(int irq, void *p) { … } #define ADJD_S311_CHANNEL(_color, _scan_idx) … static const struct iio_chan_spec adjd_s311_channels[] = …; static int adjd_s311_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { … } static int adjd_s311_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long mask) { … } static const struct iio_info adjd_s311_info = …; static int adjd_s311_probe(struct i2c_client *client) { … } static const struct i2c_device_id adjd_s311_id[] = …; MODULE_DEVICE_TABLE(i2c, adjd_s311_id); static struct i2c_driver adjd_s311_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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