/* SPDX-License-Identifier: GPL-2.0 */ /* * This file is part of AD5686 DAC driver * * Copyright 2018 Analog Devices Inc. */ #ifndef __DRIVERS_IIO_DAC_AD5686_H__ #define __DRIVERS_IIO_DAC_AD5686_H__ #include <linux/types.h> #include <linux/cache.h> #include <linux/mutex.h> #include <linux/kernel.h> #include <linux/iio/iio.h> #define AD5310_CMD(x) … #define AD5683_DATA(x) … #define AD5686_ADDR(x) … #define AD5686_CMD(x) … #define AD5686_ADDR_DAC(chan) … #define AD5686_ADDR_ALL_DAC … #define AD5686_CMD_NOOP … #define AD5686_CMD_WRITE_INPUT_N … #define AD5686_CMD_UPDATE_DAC_N … #define AD5686_CMD_WRITE_INPUT_N_UPDATE_N … #define AD5686_CMD_POWERDOWN_DAC … #define AD5686_CMD_LDAC_MASK … #define AD5686_CMD_RESET … #define AD5686_CMD_INTERNAL_REFER_SETUP … #define AD5686_CMD_DAISY_CHAIN_ENABLE … #define AD5686_CMD_READBACK_ENABLE … #define AD5686_LDAC_PWRDN_NONE … #define AD5686_LDAC_PWRDN_1K … #define AD5686_LDAC_PWRDN_100K … #define AD5686_LDAC_PWRDN_3STATE … #define AD5686_CMD_CONTROL_REG … #define AD5686_CMD_READBACK_ENABLE_V2 … #define AD5310_REF_BIT_MSK … #define AD5683_REF_BIT_MSK … #define AD5693_REF_BIT_MSK … /** * ad5686_supported_device_ids: */ enum ad5686_supported_device_ids { … }; enum ad5686_regmap_type { … }; struct ad5686_state; ad5686_write_func; ad5686_read_func; /** * struct ad5686_chip_info - chip specific information * @int_vref_mv: AD5620/40/60: the internal reference voltage * @num_channels: number of channels * @channel: channel specification * @regmap_type: register map layout variant */ struct ad5686_chip_info { … }; /** * struct ad5446_state - driver instance specific data * @spi: spi_device * @chip_info: chip model specific constants, available modes etc * @reg: supply regulator * @vref_mv: actual reference voltage used * @pwr_down_mask: power down mask * @pwr_down_mode: current power down mode * @use_internal_vref: set to true if the internal reference voltage is used * @lock lock to protect the data buffer during regmap ops * @data: spi transfer buffers */ struct ad5686_state { … }; int ad5686_probe(struct device *dev, enum ad5686_supported_device_ids chip_type, const char *name, ad5686_write_func write, ad5686_read_func read); void ad5686_remove(struct device *dev); #endif /* __DRIVERS_IIO_DAC_AD5686_H__ */
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