162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * AD5624R SPI DAC driver 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright 2010-2011 Analog Devices Inc. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci#ifndef SPI_AD5624R_H_ 862306a36Sopenharmony_ci#define SPI_AD5624R_H_ 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#define AD5624R_DAC_CHANNELS 4 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#define AD5624R_ADDR_DAC0 0x0 1362306a36Sopenharmony_ci#define AD5624R_ADDR_DAC1 0x1 1462306a36Sopenharmony_ci#define AD5624R_ADDR_DAC2 0x2 1562306a36Sopenharmony_ci#define AD5624R_ADDR_DAC3 0x3 1662306a36Sopenharmony_ci#define AD5624R_ADDR_ALL_DAC 0x7 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci#define AD5624R_CMD_WRITE_INPUT_N 0x0 1962306a36Sopenharmony_ci#define AD5624R_CMD_UPDATE_DAC_N 0x1 2062306a36Sopenharmony_ci#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_ALL 0x2 2162306a36Sopenharmony_ci#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_N 0x3 2262306a36Sopenharmony_ci#define AD5624R_CMD_POWERDOWN_DAC 0x4 2362306a36Sopenharmony_ci#define AD5624R_CMD_RESET 0x5 2462306a36Sopenharmony_ci#define AD5624R_CMD_LDAC_SETUP 0x6 2562306a36Sopenharmony_ci#define AD5624R_CMD_INTERNAL_REFER_SETUP 0x7 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci#define AD5624R_LDAC_PWRDN_NONE 0x0 2862306a36Sopenharmony_ci#define AD5624R_LDAC_PWRDN_1K 0x1 2962306a36Sopenharmony_ci#define AD5624R_LDAC_PWRDN_100K 0x2 3062306a36Sopenharmony_ci#define AD5624R_LDAC_PWRDN_3STATE 0x3 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci/** 3362306a36Sopenharmony_ci * struct ad5624r_chip_info - chip specific information 3462306a36Sopenharmony_ci * @channels: channel spec for the DAC 3562306a36Sopenharmony_ci * @int_vref_mv: AD5620/40/60: the internal reference voltage 3662306a36Sopenharmony_ci */ 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_cistruct ad5624r_chip_info { 3962306a36Sopenharmony_ci const struct iio_chan_spec *channels; 4062306a36Sopenharmony_ci u16 int_vref_mv; 4162306a36Sopenharmony_ci}; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci/** 4462306a36Sopenharmony_ci * struct ad5446_state - driver instance specific data 4562306a36Sopenharmony_ci * @indio_dev: the industrial I/O device 4662306a36Sopenharmony_ci * @us: spi_device 4762306a36Sopenharmony_ci * @chip_info: chip model specific constants, available modes etc 4862306a36Sopenharmony_ci * @reg: supply regulator 4962306a36Sopenharmony_ci * @vref_mv: actual reference voltage used 5062306a36Sopenharmony_ci * @pwr_down_mask power down mask 5162306a36Sopenharmony_ci * @pwr_down_mode current power down mode 5262306a36Sopenharmony_ci */ 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_cistruct ad5624r_state { 5562306a36Sopenharmony_ci struct spi_device *us; 5662306a36Sopenharmony_ci const struct ad5624r_chip_info *chip_info; 5762306a36Sopenharmony_ci struct regulator *reg; 5862306a36Sopenharmony_ci unsigned short vref_mv; 5962306a36Sopenharmony_ci unsigned pwr_down_mask; 6062306a36Sopenharmony_ci unsigned pwr_down_mode; 6162306a36Sopenharmony_ci}; 6262306a36Sopenharmony_ci 6362306a36Sopenharmony_ci/** 6462306a36Sopenharmony_ci * ad5624r_supported_device_ids: 6562306a36Sopenharmony_ci * The AD5624/44/64 parts are available in different 6662306a36Sopenharmony_ci * fixed internal reference voltage options. 6762306a36Sopenharmony_ci */ 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_cienum ad5624r_supported_device_ids { 7062306a36Sopenharmony_ci ID_AD5624R3, 7162306a36Sopenharmony_ci ID_AD5644R3, 7262306a36Sopenharmony_ci ID_AD5664R3, 7362306a36Sopenharmony_ci ID_AD5624R5, 7462306a36Sopenharmony_ci ID_AD5644R5, 7562306a36Sopenharmony_ci ID_AD5664R5, 7662306a36Sopenharmony_ci}; 7762306a36Sopenharmony_ci 7862306a36Sopenharmony_ci#endif /* SPI_AD5624R_H_ */ 79