// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2021 Analog Devices, Inc. * Author: Cosmin Tanislav <[email protected]> */ #include <asm/unaligned.h> #include <linux/bitfield.h> #include <linux/crc8.h> #include <linux/device.h> #include <linux/err.h> #include <linux/gpio/driver.h> #include <linux/iio/buffer.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include <linux/iio/trigger.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> #include <linux/interrupt.h> #include <linux/mod_devicetable.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> #include <dt-bindings/iio/addac/adi,ad74413r.h> #define AD74413R_CRC_POLYNOMIAL … DECLARE_CRC8_TABLE(ad74413r_crc8_table); #define AD74413R_CHANNEL_MAX … #define AD74413R_FRAME_SIZE … struct ad74413r_chip_info { … }; struct ad74413r_channel_config { … }; struct ad74413r_channels { … }; struct ad74413r_state { … }; #define AD74413R_REG_NOP … #define AD74413R_REG_CH_FUNC_SETUP_X(x) … #define AD74413R_CH_FUNC_SETUP_MASK … #define AD74413R_REG_ADC_CONFIG_X(x) … #define AD74413R_ADC_CONFIG_RANGE_MASK … #define AD74413R_ADC_CONFIG_REJECTION_MASK … #define AD74413R_ADC_CONFIG_CH_200K_TO_GND … #define AD74413R_ADC_RANGE_10V … #define AD74413R_ADC_RANGE_2P5V_EXT_POW … #define AD74413R_ADC_RANGE_2P5V_INT_POW … #define AD74413R_ADC_RANGE_5V_BI_DIR … #define AD74413R_ADC_REJECTION_50_60 … #define AD74413R_ADC_REJECTION_NONE … #define AD74413R_ADC_REJECTION_50_60_HART … #define AD74413R_ADC_REJECTION_HART … #define AD74413R_REG_DIN_CONFIG_X(x) … #define AD74413R_DIN_DEBOUNCE_MASK … #define AD74413R_DIN_DEBOUNCE_LEN … #define AD74413R_DIN_SINK_MASK … #define AD74413R_REG_DAC_CODE_X(x) … #define AD74413R_DAC_CODE_MAX … #define AD74413R_DAC_VOLTAGE_MAX … #define AD74413R_REG_GPO_PAR_DATA … #define AD74413R_REG_GPO_CONFIG_X(x) … #define AD74413R_GPO_CONFIG_DATA_MASK … #define AD74413R_GPO_CONFIG_SELECT_MASK … #define AD74413R_GPO_CONFIG_100K_PULL_DOWN … #define AD74413R_GPO_CONFIG_LOGIC … #define AD74413R_GPO_CONFIG_LOGIC_PARALLEL … #define AD74413R_GPO_CONFIG_COMPARATOR … #define AD74413R_GPO_CONFIG_HIGH_IMPEDANCE … #define AD74413R_REG_ADC_CONV_CTRL … #define AD74413R_CONV_SEQ_MASK … #define AD74413R_CONV_SEQ_ON … #define AD74413R_CONV_SEQ_SINGLE … #define AD74413R_CONV_SEQ_CONTINUOUS … #define AD74413R_CONV_SEQ_OFF … #define AD74413R_CH_EN_MASK(x) … #define AD74413R_REG_DIN_COMP_OUT … #define AD74413R_REG_ADC_RESULT_X(x) … #define AD74413R_ADC_RESULT_MAX … #define AD74413R_REG_READ_SELECT … #define AD74413R_REG_CMD_KEY … #define AD74413R_CMD_KEY_LDAC … #define AD74413R_CMD_KEY_RESET1 … #define AD74413R_CMD_KEY_RESET2 … static const int ad74413r_adc_sampling_rates[] = …; static const int ad74413r_adc_sampling_rates_hart[] = …; static int ad74413r_crc(u8 *buf) { … } static void ad74413r_format_reg_write(u8 reg, u16 val, u8 *buf) { … } static int ad74413r_reg_write(void *context, unsigned int reg, unsigned int val) { … } static int ad74413r_crc_check(struct ad74413r_state *st, u8 *buf) { … } static int ad74413r_reg_read(void *context, unsigned int reg, unsigned int *val) { … } static const struct regmap_config ad74413r_regmap_config = …; static int ad74413r_set_gpo_config(struct ad74413r_state *st, unsigned int offset, u8 mode) { … } static const unsigned int ad74413r_debounce_map[AD74413R_DIN_DEBOUNCE_LEN] = …; static int ad74413r_set_comp_debounce(struct ad74413r_state *st, unsigned int offset, unsigned int debounce) { … } static int ad74413r_set_comp_drive_strength(struct ad74413r_state *st, unsigned int offset, unsigned int strength) { … } static void ad74413r_gpio_set(struct gpio_chip *chip, unsigned int offset, int val) { … } static void ad74413r_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits) { … } static int ad74413r_gpio_get(struct gpio_chip *chip, unsigned int offset) { … } static int ad74413r_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits) { … } static int ad74413r_gpio_get_gpo_direction(struct gpio_chip *chip, unsigned int offset) { … } static int ad74413r_gpio_get_comp_direction(struct gpio_chip *chip, unsigned int offset) { … } static int ad74413r_gpio_set_gpo_config(struct gpio_chip *chip, unsigned int offset, unsigned long config) { … } static int ad74413r_gpio_set_comp_config(struct gpio_chip *chip, unsigned int offset, unsigned long config) { … } static int ad74413r_reset(struct ad74413r_state *st) { … } static int ad74413r_set_channel_dac_code(struct ad74413r_state *st, unsigned int channel, int dac_code) { … } static int ad74413r_set_channel_function(struct ad74413r_state *st, unsigned int channel, u8 func) { … } static int ad74413r_set_adc_conv_seq(struct ad74413r_state *st, unsigned int status) { … } static int ad74413r_set_adc_channel_enable(struct ad74413r_state *st, unsigned int channel, bool status) { … } static int ad74413r_get_adc_range(struct ad74413r_state *st, unsigned int channel, unsigned int *val) { … } static int ad74413r_get_adc_rejection(struct ad74413r_state *st, unsigned int channel, unsigned int *val) { … } static int ad74413r_set_adc_rejection(struct ad74413r_state *st, unsigned int channel, unsigned int val) { … } static int ad74413r_rejection_to_rate(struct ad74413r_state *st, unsigned int rej, int *val) { … } static int ad74413r_rate_to_rejection(struct ad74413r_state *st, int rate, unsigned int *val) { … } static int ad74413r_range_to_voltage_range(struct ad74413r_state *st, unsigned int range, int *val) { … } static int ad74413r_range_to_voltage_offset(struct ad74413r_state *st, unsigned int range, int *val) { … } static int ad74413r_range_to_voltage_offset_raw(struct ad74413r_state *st, unsigned int range, int *val) { … } static int ad74413r_get_output_voltage_scale(struct ad74413r_state *st, int *val, int *val2) { … } static int ad74413r_get_output_current_scale(struct ad74413r_state *st, int *val, int *val2) { … } static int ad74413r_get_input_voltage_scale(struct ad74413r_state *st, unsigned int channel, int *val, int *val2) { … } static int ad74413r_get_input_voltage_offset(struct ad74413r_state *st, unsigned int channel, int *val) { … } static int ad74413r_get_input_current_scale(struct ad74413r_state *st, unsigned int channel, int *val, int *val2) { … } static int ad74413r_get_input_current_offset(struct ad74413r_state *st, unsigned int channel, int *val) { … } static int ad74413r_get_adc_rate(struct ad74413r_state *st, unsigned int channel, int *val) { … } static int ad74413r_set_adc_rate(struct ad74413r_state *st, unsigned int channel, int val) { … } static irqreturn_t ad74413r_trigger_handler(int irq, void *p) { … } static irqreturn_t ad74413r_adc_data_interrupt(int irq, void *data) { … } static int _ad74413r_get_single_adc_result(struct ad74413r_state *st, unsigned int channel, int *val) { … } static int ad74413r_get_single_adc_result(struct iio_dev *indio_dev, unsigned int channel, int *val) { … } static void ad74413r_adc_to_resistance_result(int adc_result, int *val) { … } static int ad74413r_update_scan_mode(struct iio_dev *indio_dev, const unsigned long *active_scan_mask) { … } static int ad74413r_buffer_postenable(struct iio_dev *indio_dev) { … } static int ad74413r_buffer_predisable(struct iio_dev *indio_dev) { … } static int ad74413r_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long info) { … } static int ad74413r_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long info) { … } static int ad74413r_read_avail(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, const int **vals, int *type, int *length, long info) { … } static const struct iio_buffer_setup_ops ad74413r_buffer_ops = …; static const struct iio_trigger_ops ad74413r_trigger_ops = …; static const struct iio_info ad74413r_info = …; #define AD74413R_DAC_CHANNEL(_type, extra_mask_separate) … #define AD74413R_ADC_CHANNEL(_type, extra_mask_separate) … #define AD74413R_ADC_VOLTAGE_CHANNEL … #define AD74413R_ADC_CURRENT_CHANNEL … static struct iio_chan_spec ad74413r_voltage_output_channels[] = …; static struct iio_chan_spec ad74413r_current_output_channels[] = …; static struct iio_chan_spec ad74413r_voltage_input_channels[] = …; static struct iio_chan_spec ad74413r_current_input_channels[] = …; static struct iio_chan_spec ad74413r_current_input_loop_channels[] = …; static struct iio_chan_spec ad74413r_resistance_input_channels[] = …; static struct iio_chan_spec ad74413r_digital_input_channels[] = …; #define _AD74413R_CHANNELS(_channels) … #define AD74413R_CHANNELS(name) … static const struct ad74413r_channels ad74413r_channels_map[] = …; static int ad74413r_parse_channel_config(struct iio_dev *indio_dev, struct fwnode_handle *channel_node) { … } static int ad74413r_parse_channel_configs(struct iio_dev *indio_dev) { … } static int ad74413r_setup_channels(struct iio_dev *indio_dev) { … } static int ad74413r_setup_gpios(struct ad74413r_state *st) { … } static void ad74413r_regulator_disable(void *regulator) { … } static int ad74413r_probe(struct spi_device *spi) { … } static int ad74413r_unregister_driver(struct spi_driver *spi) { … } static int __init ad74413r_register_driver(struct spi_driver *spi) { … } static const struct ad74413r_chip_info ad74412r_chip_info_data = …; static const struct ad74413r_chip_info ad74413r_chip_info_data = …; static const struct of_device_id ad74413r_dt_id[] = …; MODULE_DEVICE_TABLE(of, ad74413r_dt_id); static const struct spi_device_id ad74413r_spi_id[] = …; MODULE_DEVICE_TABLE(spi, ad74413r_spi_id); static struct spi_driver ad74413r_driver = …; module_driver(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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