114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich/* 214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * AD5624R SPI DAC driver 314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * 414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * Copyright 2010-2011 Analog Devices Inc. 514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * 614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * Licensed under the GPL-2. 714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich */ 86790e29fef61b20b213bd1cf5a025dc3412a4765Barry Song#ifndef SPI_AD5624R_H_ 96790e29fef61b20b213bd1cf5a025dc3412a4765Barry Song#define SPI_AD5624R_H_ 106790e29fef61b20b213bd1cf5a025dc3412a4765Barry Song 1114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_DAC_CHANNELS 4 126790e29fef61b20b213bd1cf5a025dc3412a4765Barry Song 1314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_ADDR_DAC0 0x0 1414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_ADDR_DAC1 0x1 1514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_ADDR_DAC2 0x2 1614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_ADDR_DAC3 0x3 1714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_ADDR_ALL_DAC 0x7 186790e29fef61b20b213bd1cf5a025dc3412a4765Barry Song 1914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_WRITE_INPUT_N 0x0 2014f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_UPDATE_DAC_N 0x1 2114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_ALL 0x2 2214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_N 0x3 2314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_POWERDOWN_DAC 0x4 2414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_RESET 0x5 2514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_LDAC_SETUP 0x6 2614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_CMD_INTERNAL_REFER_SETUP 0x7 276790e29fef61b20b213bd1cf5a025dc3412a4765Barry Song 2814f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_LDAC_PWRDN_NONE 0x0 2914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_LDAC_PWRDN_1K 0x1 3014f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_LDAC_PWRDN_100K 0x2 3114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#define AD5624R_LDAC_PWRDN_3STATE 0x3 3214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 3314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich/** 3414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * struct ad5624r_chip_info - chip specific information 35275de9f7a8db332dfbf100bc2c75940070361bc2Lars-Peter Clausen * @channels: channel spec for the DAC 3614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @int_vref_mv: AD5620/40/60: the internal reference voltage 3714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich */ 3814f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 3914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerichstruct ad5624r_chip_info { 40275de9f7a8db332dfbf100bc2c75940070361bc2Lars-Peter Clausen const struct iio_chan_spec *channels; 4114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich u16 int_vref_mv; 4214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich}; 4314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 4414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich/** 4514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * struct ad5446_state - driver instance specific data 4614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @indio_dev: the industrial I/O device 4714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @us: spi_device 4814f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @chip_info: chip model specific constants, available modes etc 4914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @reg: supply regulator 5014f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @vref_mv: actual reference voltage used 5114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @pwr_down_mask power down mask 5214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * @pwr_down_mode current power down mode 5314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich */ 5414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 5514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerichstruct ad5624r_state { 5614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich struct spi_device *us; 5714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich const struct ad5624r_chip_info *chip_info; 5814f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich struct regulator *reg; 5914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich unsigned short vref_mv; 6014f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich unsigned pwr_down_mask; 6114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich unsigned pwr_down_mode; 6214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich}; 6314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 6414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich/** 6514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * ad5624r_supported_device_ids: 6614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * The AD5624/44/64 parts are available in different 6714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich * fixed internal reference voltage options. 6814f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich */ 6914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 7014f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerichenum ad5624r_supported_device_ids { 7114f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich ID_AD5624R3, 7214f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich ID_AD5644R3, 7314f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich ID_AD5664R3, 7414f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich ID_AD5624R5, 7514f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich ID_AD5644R5, 7614f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich ID_AD5664R5, 7714f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich}; 7814f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich 7914f88f1b07e03b064b86ebc9f2f1ed0719dfaa30Michael Hennerich#endif /* SPI_AD5624R_H_ */ 80