ad5064.c File Reference

#include <linux/device.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/regulator/consumer.h>
#include <asm/unaligned.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

Go to the source code of this file.

Data Structures
struct	ad5064_chip_info
struct	ad5064_state

Macros
#define	AD5064_MAX_DAC_CHANNELS   8
#define	AD5064_MAX_VREFS   4
#define	AD5064_ADDR(x)   ((x) << 20)
#define	AD5064_CMD(x)   ((x) << 24)
#define	AD5064_ADDR_DAC(chan)   (chan)
#define	AD5064_ADDR_ALL_DAC   0xF
#define	AD5064_CMD_WRITE_INPUT_N   0x0
#define	AD5064_CMD_UPDATE_DAC_N   0x1
#define	AD5064_CMD_WRITE_INPUT_N_UPDATE_ALL   0x2
#define	AD5064_CMD_WRITE_INPUT_N_UPDATE_N   0x3
#define	AD5064_CMD_POWERDOWN_DAC   0x4
#define	AD5064_CMD_CLEAR   0x5
#define	AD5064_CMD_LDAC_MASK   0x6
#define	AD5064_CMD_RESET   0x7
#define	AD5064_CMD_CONFIG   0x8
#define	AD5064_CONFIG_DAISY_CHAIN_ENABLE   BIT(1)
#define	AD5064_CONFIG_INT_VREF_ENABLE   BIT(0)
#define	AD5064_LDAC_PWRDN_NONE   0x0
#define	AD5064_LDAC_PWRDN_1K   0x1
#define	AD5064_LDAC_PWRDN_100K   0x2
#define	AD5064_LDAC_PWRDN_3STATE   0x3
#define	AD5064_CHANNEL(chan, bits)
#define	DECLARE_AD5064_CHANNELS(name, bits)

Typedefs
typedef int(*	ad5064_write_func )(struct ad5064_state *st, unsigned int cmd, unsigned int addr, unsigned int val)

Enumerations
enum	ad5064_type {   ID_AD5024, ID_AD5025, ID_AD5044, ID_AD5045,   ID_AD5064, ID_AD5064_1, ID_AD5065, ID_AD5628_1,   ID_AD5628_2, ID_AD5648_1, ID_AD5648_2, ID_AD5666_1,   ID_AD5666_2, ID_AD5668_1, ID_AD5668_2 }

Functions
	module_init (ad5064_init)
	module_exit (ad5064_exit)
	MODULE_AUTHOR ("Lars-Peter Clausen <[email protected]>")
	MODULE_DESCRIPTION ("Analog Devices AD5024 and similar multi-channel DACs")
	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define AD5064_ADDR

(

x

)

((x) << 20)

Definition at line 27 of file ad5064.c.

#define AD5064_ADDR_ALL_DAC   0xF

Definition at line 31 of file ad5064.c.

#define AD5064_ADDR_DAC

(

chan

)

(chan)

Definition at line 30 of file ad5064.c.

#define AD5064_CHANNEL	(		chan,
			bits
	)

Value:

{               \
    .type = IIO_VOLTAGE,                    \
    .indexed = 1,                       \
    .output = 1,                        \
    .channel = (chan),                  \
    .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT |       \
    IIO_CHAN_INFO_SCALE_SEPARATE_BIT,           \
    .address = AD5064_ADDR_DAC(chan),           \
    .scan_type = IIO_ST('u', (bits), 16, 20 - (bits)),  \
    .ext_info = ad5064_ext_info,                \
}

Definition at line 295 of file ad5064.c.

#define AD5064_CMD

(

x

)

((x) << 24)

Definition at line 28 of file ad5064.c.

#define AD5064_CMD_CLEAR   0x5

Definition at line 38 of file ad5064.c.

#define AD5064_CMD_CONFIG   0x8

Definition at line 41 of file ad5064.c.

#define AD5064_CMD_LDAC_MASK   0x6

Definition at line 39 of file ad5064.c.

#define AD5064_CMD_POWERDOWN_DAC   0x4

Definition at line 37 of file ad5064.c.

#define AD5064_CMD_RESET   0x7

Definition at line 40 of file ad5064.c.

#define AD5064_CMD_UPDATE_DAC_N   0x1

Definition at line 34 of file ad5064.c.

#define AD5064_CMD_WRITE_INPUT_N   0x0

Definition at line 33 of file ad5064.c.

#define AD5064_CMD_WRITE_INPUT_N_UPDATE_ALL   0x2

Definition at line 35 of file ad5064.c.

#define AD5064_CMD_WRITE_INPUT_N_UPDATE_N   0x3

Definition at line 36 of file ad5064.c.

#define AD5064_CONFIG_DAISY_CHAIN_ENABLE   BIT(1)

Definition at line 43 of file ad5064.c.

#define AD5064_CONFIG_INT_VREF_ENABLE   BIT(0)

Definition at line 44 of file ad5064.c.

#define AD5064_LDAC_PWRDN_100K   0x2

Definition at line 48 of file ad5064.c.

#define AD5064_LDAC_PWRDN_1K   0x1

Definition at line 47 of file ad5064.c.

#define AD5064_LDAC_PWRDN_3STATE   0x3

Definition at line 49 of file ad5064.c.

#define AD5064_LDAC_PWRDN_NONE   0x0

Definition at line 46 of file ad5064.c.

#define AD5064_MAX_DAC_CHANNELS   8

Definition at line 24 of file ad5064.c.

#define AD5064_MAX_VREFS   4

Definition at line 25 of file ad5064.c.

#define DECLARE_AD5064_CHANNELS	(		name,
			bits
	)

Value:

const struct iio_chan_spec name[] = { \
    AD5064_CHANNEL(0, bits), \
    AD5064_CHANNEL(1, bits), \
    AD5064_CHANNEL(2, bits), \
    AD5064_CHANNEL(3, bits), \
    AD5064_CHANNEL(4, bits), \
    AD5064_CHANNEL(5, bits), \
    AD5064_CHANNEL(6, bits), \
    AD5064_CHANNEL(7, bits), \
}

Definition at line 307 of file ad5064.c.

Typedef Documentation

typedef int(* ad5064_write_func)(struct ad5064_state *st, unsigned int cmd, unsigned int addr, unsigned int val)

Definition at line 69 of file ad5064.c.

Enumeration Type Documentation

enum ad5064_type

Enumerator:

ID_AD5024
ID_AD5025
ID_AD5044
ID_AD5045
ID_AD5064
ID_AD5064_1
ID_AD5065
ID_AD5628_1
ID_AD5628_2
ID_AD5648_1
ID_AD5648_2
ID_AD5666_1
ID_AD5666_2
ID_AD5668_1
ID_AD5668_2

Definition at line 107 of file ad5064.c.

Function Documentation

MODULE_AUTHOR

(

"Lars-Peter Clausen <[email protected]>"

)

MODULE_DESCRIPTION

(

"Analog Devices AD5024 and similar multi-channel DACs"

)

module_exit

(

ad5064_exit

)

module_init

(

ad5064_init

)

MODULE_LICENSE

(

"GPL v2"

)