ad5686.c File Reference

#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/regulator/consumer.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

Go to the source code of this file.

Data Structures
struct	ad5686_chip_info
struct	ad5686_state

Macros
#define	AD5686_DAC_CHANNELS   4
#define	AD5686_ADDR(x)   ((x) << 16)
#define	AD5686_CMD(x)   ((x) << 20)
#define	AD5686_ADDR_DAC(chan)   (0x1 << (chan))
#define	AD5686_ADDR_ALL_DAC   0xF
#define	AD5686_CMD_NOOP   0x0
#define	AD5686_CMD_WRITE_INPUT_N   0x1
#define	AD5686_CMD_UPDATE_DAC_N   0x2
#define	AD5686_CMD_WRITE_INPUT_N_UPDATE_N   0x3
#define	AD5686_CMD_POWERDOWN_DAC   0x4
#define	AD5686_CMD_LDAC_MASK   0x5
#define	AD5686_CMD_RESET   0x6
#define	AD5686_CMD_INTERNAL_REFER_SETUP   0x7
#define	AD5686_CMD_DAISY_CHAIN_ENABLE   0x8
#define	AD5686_CMD_READBACK_ENABLE   0x9
#define	AD5686_LDAC_PWRDN_NONE   0x0
#define	AD5686_LDAC_PWRDN_1K   0x1
#define	AD5686_LDAC_PWRDN_100K   0x2
#define	AD5686_LDAC_PWRDN_3STATE   0x3
#define	AD5868_CHANNEL(chan, bits, shift)

Enumerations
enum	ad5686_supported_device_ids { ID_AD5684, ID_AD5685, ID_AD5686 }

Functions
	MODULE_DEVICE_TABLE (spi, ad5686_id)
	module_spi_driver (ad5686_driver)
	MODULE_AUTHOR ("Michael Hennerich <[email protected]>")
	MODULE_DESCRIPTION ("Analog Devices AD5686/85/84 DAC")
	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define AD5686_ADDR

(

x

)

((x) << 16)

Definition at line 24 of file ad5686.c.

#define AD5686_ADDR_ALL_DAC   0xF

Definition at line 28 of file ad5686.c.

#define AD5686_ADDR_DAC

(

chan

)

(0x1 << (chan))

Definition at line 27 of file ad5686.c.

#define AD5686_CMD

(

x

)

((x) << 20)

Definition at line 25 of file ad5686.c.

#define AD5686_CMD_DAISY_CHAIN_ENABLE   0x8

Definition at line 38 of file ad5686.c.

#define AD5686_CMD_INTERNAL_REFER_SETUP   0x7

Definition at line 37 of file ad5686.c.

#define AD5686_CMD_LDAC_MASK   0x5

Definition at line 35 of file ad5686.c.

#define AD5686_CMD_NOOP   0x0

Definition at line 30 of file ad5686.c.

#define AD5686_CMD_POWERDOWN_DAC   0x4

Definition at line 34 of file ad5686.c.

#define AD5686_CMD_READBACK_ENABLE   0x9

Definition at line 39 of file ad5686.c.

#define AD5686_CMD_RESET   0x6

Definition at line 36 of file ad5686.c.

#define AD5686_CMD_UPDATE_DAC_N   0x2

Definition at line 32 of file ad5686.c.

#define AD5686_CMD_WRITE_INPUT_N   0x1

Definition at line 31 of file ad5686.c.

#define AD5686_CMD_WRITE_INPUT_N_UPDATE_N   0x3

Definition at line 33 of file ad5686.c.

#define AD5686_DAC_CHANNELS   4

Definition at line 22 of file ad5686.c.

#define AD5686_LDAC_PWRDN_100K   0x2

Definition at line 43 of file ad5686.c.

#define AD5686_LDAC_PWRDN_1K   0x1

Definition at line 42 of file ad5686.c.

#define AD5686_LDAC_PWRDN_3STATE   0x3

Definition at line 44 of file ad5686.c.

#define AD5686_LDAC_PWRDN_NONE   0x0

Definition at line 41 of file ad5686.c.

#define AD5868_CHANNEL	(		chan,
			bits,
			shift
	)

Value:

{           \
        .type = IIO_VOLTAGE,                \
        .indexed = 1,                   \
        .output = 1,                    \
        .channel = chan,                \
        .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |   \
        IIO_CHAN_INFO_SCALE_SHARED_BIT,         \
        .address = AD5686_ADDR_DAC(chan),           \
        .scan_type = IIO_ST('u', bits, 16, shift),  \
        .ext_info = ad5686_ext_info,            \
}

Definition at line 279 of file ad5686.c.

Enumeration Type Documentation

enum ad5686_supported_device_ids

ad5686_supported_device_ids:

Enumerator:

ID_AD5684
ID_AD5685
ID_AD5686

Definition at line 90 of file ad5686.c.

Function Documentation

MODULE_AUTHOR

(

"Michael Hennerich <[email protected]>"

)

MODULE_DESCRIPTION

(

"Analog Devices AD5686/85/84 DAC"

)

MODULE_DEVICE_TABLE	(	spi	,
		ad5686_id
	)

MODULE_LICENSE

(

"GPL v2"

)

module_spi_driver

(

ad5686_driver

)