ad5624r.h

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/*
 * AD5624R SPI DAC driver
 *
 * Copyright 2010-2011 Analog Devices Inc.
 *
 * Licensed under the GPL-2.
 */
#ifndef SPI_AD5624R_H_
#define SPI_AD5624R_H_

#define AD5624R_DAC_CHANNELS            4

#define AD5624R_ADDR_DAC0           0x0
#define AD5624R_ADDR_DAC1           0x1
#define AD5624R_ADDR_DAC2           0x2
#define AD5624R_ADDR_DAC3           0x3
#define AD5624R_ADDR_ALL_DAC            0x7

#define AD5624R_CMD_WRITE_INPUT_N       0x0
#define AD5624R_CMD_UPDATE_DAC_N        0x1
#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_ALL    0x2
#define AD5624R_CMD_WRITE_INPUT_N_UPDATE_N  0x3
#define AD5624R_CMD_POWERDOWN_DAC       0x4
#define AD5624R_CMD_RESET           0x5
#define AD5624R_CMD_LDAC_SETUP          0x6
#define AD5624R_CMD_INTERNAL_REFER_SETUP    0x7

#define AD5624R_LDAC_PWRDN_NONE         0x0
#define AD5624R_LDAC_PWRDN_1K           0x1
#define AD5624R_LDAC_PWRDN_100K         0x2
#define AD5624R_LDAC_PWRDN_3STATE       0x3

struct ad5624r_chip_info {
    const struct iio_chan_spec  *channels;
    u16             int_vref_mv;
};

struct ad5624r_state {
    struct spi_device       *us;
    const struct ad5624r_chip_info  *chip_info;
    struct regulator        *reg;
    unsigned short          vref_mv;
    unsigned            pwr_down_mask;
    unsigned            pwr_down_mode;
};

enum ad5624r_supported_device_ids {
    ID_AD5624R3,
    ID_AD5644R3,
    ID_AD5664R3,
    ID_AD5624R5,
    ID_AD5644R5,
    ID_AD5664R5,
};

#endif /* SPI_AD5624R_H_ */