// SPDX-License-Identifier: GPL-2.0-only /* * ADRF6780 driver * * Copyright 2021 Analog Devices Inc. */ #include <linux/bitfield.h> #include <linux/bits.h> #include <linux/clk.h> #include <linux/clkdev.h> #include <linux/delay.h> #include <linux/device.h> #include <linux/iio/iio.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/spi/spi.h> #include <asm/unaligned.h> /* ADRF6780 Register Map */ #define ADRF6780_REG_CONTROL … #define ADRF6780_REG_ALARM_READBACK … #define ADRF6780_REG_ALARM_MASKS … #define ADRF6780_REG_ENABLE … #define ADRF6780_REG_LINEARIZE … #define ADRF6780_REG_LO_PATH … #define ADRF6780_REG_ADC_CONTROL … #define ADRF6780_REG_ADC_OUTPUT … /* ADRF6780_REG_CONTROL Map */ #define ADRF6780_PARITY_EN_MSK … #define ADRF6780_SOFT_RESET_MSK … #define ADRF6780_CHIP_ID_MSK … #define ADRF6780_CHIP_ID … #define ADRF6780_CHIP_REVISION_MSK … /* ADRF6780_REG_ALARM_READBACK Map */ #define ADRF6780_PARITY_ERROR_MSK … #define ADRF6780_TOO_FEW_ERRORS_MSK … #define ADRF6780_TOO_MANY_ERRORS_MSK … #define ADRF6780_ADDRESS_RANGE_ERROR_MSK … /* ADRF6780_REG_ENABLE Map */ #define ADRF6780_VGA_BUFFER_EN_MSK … #define ADRF6780_DETECTOR_EN_MSK … #define ADRF6780_LO_BUFFER_EN_MSK … #define ADRF6780_IF_MODE_EN_MSK … #define ADRF6780_IQ_MODE_EN_MSK … #define ADRF6780_LO_X2_EN_MSK … #define ADRF6780_LO_PPF_EN_MSK … #define ADRF6780_LO_EN_MSK … #define ADRF6780_UC_BIAS_EN_MSK … /* ADRF6780_REG_LINEARIZE Map */ #define ADRF6780_RDAC_LINEARIZE_MSK … /* ADRF6780_REG_LO_PATH Map */ #define ADRF6780_LO_SIDEBAND_MSK … #define ADRF6780_Q_PATH_PHASE_ACCURACY_MSK … #define ADRF6780_I_PATH_PHASE_ACCURACY_MSK … /* ADRF6780_REG_ADC_CONTROL Map */ #define ADRF6780_VDET_OUTPUT_SELECT_MSK … #define ADRF6780_ADC_START_MSK … #define ADRF6780_ADC_EN_MSK … #define ADRF6780_ADC_CLOCK_EN_MSK … /* ADRF6780_REG_ADC_OUTPUT Map */ #define ADRF6780_ADC_STATUS_MSK … #define ADRF6780_ADC_VALUE_MSK … struct adrf6780_state { … }; static int __adrf6780_spi_read(struct adrf6780_state *st, unsigned int reg, unsigned int *val) { … } static int adrf6780_spi_read(struct adrf6780_state *st, unsigned int reg, unsigned int *val) { … } static int __adrf6780_spi_write(struct adrf6780_state *st, unsigned int reg, unsigned int val) { … } static int adrf6780_spi_write(struct adrf6780_state *st, unsigned int reg, unsigned int val) { … } static int __adrf6780_spi_update_bits(struct adrf6780_state *st, unsigned int reg, unsigned int mask, unsigned int val) { … } static int adrf6780_spi_update_bits(struct adrf6780_state *st, unsigned int reg, unsigned int mask, unsigned int val) { … } static int adrf6780_read_adc_raw(struct adrf6780_state *st, unsigned int *read_val) { … } static int adrf6780_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long info) { … } static int adrf6780_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long info) { … } static int adrf6780_reg_access(struct iio_dev *indio_dev, unsigned int reg, unsigned int write_val, unsigned int *read_val) { … } static const struct iio_info adrf6780_info = …; #define ADRF6780_CHAN_ADC(_channel) … #define ADRF6780_CHAN_RDAC(_channel) … #define ADRF6780_CHAN_IQ_PHASE(_channel, rf_comp) … static const struct iio_chan_spec adrf6780_channels[] = …; static int adrf6780_reset(struct adrf6780_state *st) { … } static int adrf6780_init(struct adrf6780_state *st) { … } static void adrf6780_properties_parse(struct adrf6780_state *st) { … } static void adrf6780_powerdown(void *data) { … } static int adrf6780_probe(struct spi_device *spi) { … } static const struct spi_device_id adrf6780_id[] = …; MODULE_DEVICE_TABLE(spi, adrf6780_id); static const struct of_device_id adrf6780_of_match[] = …; MODULE_DEVICE_TABLE(of, adrf6780_of_match); static struct spi_driver adrf6780_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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