// SPDX-License-Identifier: GPL-2.0-only /* * ADMV1013 driver * * Copyright 2021 Analog Devices Inc. */ #include <linux/bitfield.h> #include <linux/bits.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/iio/iio.h> #include <linux/module.h> #include <linux/mod_devicetable.h> #include <linux/notifier.h> #include <linux/property.h> #include <linux/regulator/consumer.h> #include <linux/spi/spi.h> #include <linux/units.h> #include <linux/unaligned.h> /* ADMV1013 Register Map */ #define ADMV1013_REG_SPI_CONTROL … #define ADMV1013_REG_ALARM … #define ADMV1013_REG_ALARM_MASKS … #define ADMV1013_REG_ENABLE … #define ADMV1013_REG_LO_AMP_I … #define ADMV1013_REG_LO_AMP_Q … #define ADMV1013_REG_OFFSET_ADJUST_I … #define ADMV1013_REG_OFFSET_ADJUST_Q … #define ADMV1013_REG_QUAD … #define ADMV1013_REG_VVA_TEMP_COMP … /* ADMV1013_REG_SPI_CONTROL Map */ #define ADMV1013_PARITY_EN_MSK … #define ADMV1013_SPI_SOFT_RESET_MSK … #define ADMV1013_CHIP_ID_MSK … #define ADMV1013_CHIP_ID … #define ADMV1013_REVISION_ID_MSK … /* ADMV1013_REG_ALARM Map */ #define ADMV1013_PARITY_ERROR_MSK … #define ADMV1013_TOO_FEW_ERRORS_MSK … #define ADMV1013_TOO_MANY_ERRORS_MSK … #define ADMV1013_ADDRESS_RANGE_ERROR_MSK … /* ADMV1013_REG_ENABLE Map */ #define ADMV1013_VGA_PD_MSK … #define ADMV1013_MIXER_PD_MSK … #define ADMV1013_QUAD_PD_MSK … #define ADMV1013_BG_PD_MSK … #define ADMV1013_MIXER_IF_EN_MSK … #define ADMV1013_DET_EN_MSK … /* ADMV1013_REG_LO_AMP Map */ #define ADMV1013_LOAMP_PH_ADJ_FINE_MSK … #define ADMV1013_MIXER_VGATE_MSK … /* ADMV1013_REG_OFFSET_ADJUST Map */ #define ADMV1013_MIXER_OFF_ADJ_P_MSK … #define ADMV1013_MIXER_OFF_ADJ_N_MSK … /* ADMV1013_REG_QUAD Map */ #define ADMV1013_QUAD_SE_MODE_MSK … #define ADMV1013_QUAD_FILTERS_MSK … /* ADMV1013_REG_VVA_TEMP_COMP Map */ #define ADMV1013_VVA_TEMP_COMP_MSK … /* ADMV1013 Miscellaneous Defines */ #define ADMV1013_READ … #define ADMV1013_REG_ADDR_READ_MSK … #define ADMV1013_REG_ADDR_WRITE_MSK … #define ADMV1013_REG_DATA_MSK … enum { … }; enum { … }; enum { … }; struct admv1013_state { … }; static int __admv1013_spi_read(struct admv1013_state *st, unsigned int reg, unsigned int *val) { … } static int admv1013_spi_read(struct admv1013_state *st, unsigned int reg, unsigned int *val) { … } static int __admv1013_spi_write(struct admv1013_state *st, unsigned int reg, unsigned int val) { … } static int admv1013_spi_write(struct admv1013_state *st, unsigned int reg, unsigned int val) { … } static int __admv1013_spi_update_bits(struct admv1013_state *st, unsigned int reg, unsigned int mask, unsigned int val) { … } static int admv1013_spi_update_bits(struct admv1013_state *st, unsigned int reg, unsigned int mask, unsigned int val) { … } static int admv1013_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long info) { … } static int admv1013_write_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, int val2, long info) { … } static ssize_t admv1013_read(struct iio_dev *indio_dev, uintptr_t private, const struct iio_chan_spec *chan, char *buf) { … } static ssize_t admv1013_write(struct iio_dev *indio_dev, uintptr_t private, const struct iio_chan_spec *chan, const char *buf, size_t len) { … } static int admv1013_update_quad_filters(struct admv1013_state *st) { … } static int admv1013_update_mixer_vgate(struct admv1013_state *st, int vcm) { … } static int admv1013_reg_access(struct iio_dev *indio_dev, unsigned int reg, unsigned int write_val, unsigned int *read_val) { … } static const struct iio_info admv1013_info = …; static const char * const admv1013_vcc_regs[] = …; static int admv1013_freq_change(struct notifier_block *nb, unsigned long action, void *data) { … } #define _ADMV1013_EXT_INFO(_name, _shared, _ident) … static const struct iio_chan_spec_ext_info admv1013_ext_info[] = …; #define ADMV1013_CHAN_PHASE(_channel, _channel2, _admv1013_ext_info) … #define ADMV1013_CHAN_CALIB(_channel, rf_comp) … static const struct iio_chan_spec admv1013_channels[] = …; static int admv1013_init(struct admv1013_state *st, int vcm_uv) { … } static void admv1013_powerdown(void *data) { … } static int admv1013_properties_parse(struct admv1013_state *st) { … } static int admv1013_probe(struct spi_device *spi) { … } static const struct spi_device_id admv1013_id[] = …; MODULE_DEVICE_TABLE(spi, admv1013_id); static const struct of_device_id admv1013_of_match[] = …; MODULE_DEVICE_TABLE(of, admv1013_of_match); static struct spi_driver admv1013_driver = …; module_spi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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