ad525x_dpot.c File Reference

#include <linux/module.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include "ad525x_dpot.h"

Go to the source code of this file.

Data Structures
struct	dpot_data

Macros
#define	DPOT_DEVICE_SHOW(_name, _reg)
#define	DPOT_DEVICE_SET(_name, _reg)
#define	DPOT_DEVICE_SHOW_SET(name, reg)
#define	DPOT_DEVICE_SHOW_ONLY(name, reg)
#define	DPOT_DEVICE_DO_CMD(_name, _cmd)

Functions
	DPOT_DEVICE_SHOW_SET (rdac0, DPOT_ADDR_RDAC|DPOT_RDAC0)
	DPOT_DEVICE_SHOW_SET (eeprom0, DPOT_ADDR_EEPROM|DPOT_RDAC0)
	DPOT_DEVICE_SHOW_ONLY (tolerance0, DPOT_ADDR_EEPROM|DPOT_TOL_RDAC0)
	DPOT_DEVICE_SHOW_SET (otp0, DPOT_ADDR_OTP|DPOT_RDAC0)
	DPOT_DEVICE_SHOW_SET (otp0en, DPOT_ADDR_OTP_EN|DPOT_RDAC0)
	DPOT_DEVICE_SHOW_SET (rdac1, DPOT_ADDR_RDAC|DPOT_RDAC1)
	DPOT_DEVICE_SHOW_SET (eeprom1, DPOT_ADDR_EEPROM|DPOT_RDAC1)
	DPOT_DEVICE_SHOW_ONLY (tolerance1, DPOT_ADDR_EEPROM|DPOT_TOL_RDAC1)
	DPOT_DEVICE_SHOW_SET (otp1, DPOT_ADDR_OTP|DPOT_RDAC1)
	DPOT_DEVICE_SHOW_SET (otp1en, DPOT_ADDR_OTP_EN|DPOT_RDAC1)
	DPOT_DEVICE_SHOW_SET (rdac2, DPOT_ADDR_RDAC|DPOT_RDAC2)
	DPOT_DEVICE_SHOW_SET (eeprom2, DPOT_ADDR_EEPROM|DPOT_RDAC2)
	DPOT_DEVICE_SHOW_ONLY (tolerance2, DPOT_ADDR_EEPROM|DPOT_TOL_RDAC2)
	DPOT_DEVICE_SHOW_SET (otp2, DPOT_ADDR_OTP|DPOT_RDAC2)
	DPOT_DEVICE_SHOW_SET (otp2en, DPOT_ADDR_OTP_EN|DPOT_RDAC2)
	DPOT_DEVICE_SHOW_SET (rdac3, DPOT_ADDR_RDAC|DPOT_RDAC3)
	DPOT_DEVICE_SHOW_SET (eeprom3, DPOT_ADDR_EEPROM|DPOT_RDAC3)
	DPOT_DEVICE_SHOW_ONLY (tolerance3, DPOT_ADDR_EEPROM|DPOT_TOL_RDAC3)
	DPOT_DEVICE_SHOW_SET (otp3, DPOT_ADDR_OTP|DPOT_RDAC3)
	DPOT_DEVICE_SHOW_SET (otp3en, DPOT_ADDR_OTP_EN|DPOT_RDAC3)
	DPOT_DEVICE_SHOW_SET (rdac4, DPOT_ADDR_RDAC|DPOT_RDAC4)
	DPOT_DEVICE_SHOW_SET (eeprom4, DPOT_ADDR_EEPROM|DPOT_RDAC4)
	DPOT_DEVICE_SHOW_ONLY (tolerance4, DPOT_ADDR_EEPROM|DPOT_TOL_RDAC4)
	DPOT_DEVICE_SHOW_SET (otp4, DPOT_ADDR_OTP|DPOT_RDAC4)
	DPOT_DEVICE_SHOW_SET (otp4en, DPOT_ADDR_OTP_EN|DPOT_RDAC4)
	DPOT_DEVICE_SHOW_SET (rdac5, DPOT_ADDR_RDAC|DPOT_RDAC5)
	DPOT_DEVICE_SHOW_SET (eeprom5, DPOT_ADDR_EEPROM|DPOT_RDAC5)
	DPOT_DEVICE_SHOW_ONLY (tolerance5, DPOT_ADDR_EEPROM|DPOT_TOL_RDAC5)
	DPOT_DEVICE_SHOW_SET (otp5, DPOT_ADDR_OTP|DPOT_RDAC5)
	DPOT_DEVICE_SHOW_SET (otp5en, DPOT_ADDR_OTP_EN|DPOT_RDAC5)
	DPOT_DEVICE_DO_CMD (inc_all, DPOT_INC_ALL)
	DPOT_DEVICE_DO_CMD (dec_all, DPOT_DEC_ALL)
	DPOT_DEVICE_DO_CMD (inc_all_6db, DPOT_INC_ALL_6DB)
	DPOT_DEVICE_DO_CMD (dec_all_6db, DPOT_DEC_ALL_6DB)
__devinit int	ad_dpot_add_files (struct device *dev, unsigned features, unsigned rdac)
void	ad_dpot_remove_files (struct device *dev, unsigned features, unsigned rdac)
int __devinit	ad_dpot_probe (struct device *dev, struct ad_dpot_bus_data *bdata, unsigned long devid, const char *name)
	EXPORT_SYMBOL (ad_dpot_probe)
int	ad_dpot_remove (struct device *dev)
	EXPORT_SYMBOL (ad_dpot_remove)
	MODULE_AUTHOR ("Chris Verges <[email protected]>, ""Michael Hennerich <[email protected]>")
	MODULE_DESCRIPTION ("Digital potentiometer driver")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define DPOT_DEVICE_DO_CMD	(		_name,
			_cmd
	)

Value:

static ssize_t \
set_##_name(struct device *dev, \
             struct device_attribute *attr, \
             const char *buf, size_t count) \
{ \
    return sysfs_do_cmd(dev, attr, buf, count, _cmd); \
} \
static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, NULL, set_##_name);

Definition at line 618 of file ad525x_dpot.c.

#define DPOT_DEVICE_SET	(		_name,
			_reg
	)

Value:

static ssize_t \
set_##_name(struct device *dev, \
             struct device_attribute *attr, \
             const char *buf, size_t count) \
{ \
    return sysfs_set_reg(dev, attr, buf, count, _reg); \
}

Definition at line 513 of file ad525x_dpot.c.

#define DPOT_DEVICE_SHOW	(		_name,
			_reg
	)

Value:

static ssize_t \
show_##_name(struct device *dev, \
              struct device_attribute *attr, char *buf) \
{ \
    return sysfs_show_reg(dev, attr, buf, _reg); \
}

Definition at line 506 of file ad525x_dpot.c.

#define DPOT_DEVICE_SHOW_ONLY	(		name,
			reg
	)

Value:

DPOT_DEVICE_SHOW(name, reg) \
static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, NULL);

Definition at line 526 of file ad525x_dpot.c.

#define DPOT_DEVICE_SHOW_SET	(		name,
			reg
	)

Value:

DPOT_DEVICE_SHOW(name, reg) \
DPOT_DEVICE_SET(name, reg) \
static DEVICE_ATTR(name, S_IWUSR | S_IRUGO, show_##name, set_##name);

Definition at line 521 of file ad525x_dpot.c.

Function Documentation

__devinit int ad_dpot_add_files	(	struct device *	dev,
		unsigned	features,
		unsigned	rdac
	)

Definition at line 644 of file ad525x_dpot.c.

int __devinit ad_dpot_probe	(	struct device *	dev,
		struct ad_dpot_bus_data *	bdata,
		unsigned long	devid,
		const char *	name
	)

Definition at line 688 of file ad525x_dpot.c.

int ad_dpot_remove

(

struct device *

dev

)

Definition at line 752 of file ad525x_dpot.c.

void ad_dpot_remove_files ( struct device *  dev, unsigned  features, unsigned  rdac  )

inline

Definition at line 669 of file ad525x_dpot.c.

DPOT_DEVICE_DO_CMD	(	inc_all	,
		DPOT_INC_ALL
	)

DPOT_DEVICE_DO_CMD	(	dec_all	,
		DPOT_DEC_ALL
	)

DPOT_DEVICE_DO_CMD	(	inc_all_6db	,
		DPOT_INC_ALL_6DB
	)

DPOT_DEVICE_DO_CMD	(	dec_all_6db	,
		DPOT_DEC_ALL_6DB
	)

DPOT_DEVICE_SHOW_ONLY	(	tolerance0	,
		DPOT_ADDR_EEPROM|	DPOT_TOL_RDAC0
	)

DPOT_DEVICE_SHOW_ONLY	(	tolerance1	,
		DPOT_ADDR_EEPROM|	DPOT_TOL_RDAC1
	)

DPOT_DEVICE_SHOW_ONLY	(	tolerance2	,
		DPOT_ADDR_EEPROM|	DPOT_TOL_RDAC2
	)

DPOT_DEVICE_SHOW_ONLY	(	tolerance3	,
		DPOT_ADDR_EEPROM|	DPOT_TOL_RDAC3
	)

DPOT_DEVICE_SHOW_ONLY	(	tolerance4	,
		DPOT_ADDR_EEPROM|	DPOT_TOL_RDAC4
	)

DPOT_DEVICE_SHOW_ONLY	(	tolerance5	,
		DPOT_ADDR_EEPROM|	DPOT_TOL_RDAC5
	)

DPOT_DEVICE_SHOW_SET	(	rdac0	,
		DPOT_ADDR_RDAC|	DPOT_RDAC0
	)

DPOT_DEVICE_SHOW_SET	(	eeprom0	,
		DPOT_ADDR_EEPROM|	DPOT_RDAC0
	)

DPOT_DEVICE_SHOW_SET	(	otp0	,
		DPOT_ADDR_OTP|	DPOT_RDAC0
	)

DPOT_DEVICE_SHOW_SET	(	otp0en	,
		DPOT_ADDR_OTP_EN|	DPOT_RDAC0
	)

DPOT_DEVICE_SHOW_SET	(	rdac1	,
		DPOT_ADDR_RDAC|	DPOT_RDAC1
	)

DPOT_DEVICE_SHOW_SET	(	eeprom1	,
		DPOT_ADDR_EEPROM|	DPOT_RDAC1
	)

DPOT_DEVICE_SHOW_SET	(	otp1	,
		DPOT_ADDR_OTP|	DPOT_RDAC1
	)

DPOT_DEVICE_SHOW_SET	(	otp1en	,
		DPOT_ADDR_OTP_EN|	DPOT_RDAC1
	)

DPOT_DEVICE_SHOW_SET	(	rdac2	,
		DPOT_ADDR_RDAC|	DPOT_RDAC2
	)

DPOT_DEVICE_SHOW_SET	(	eeprom2	,
		DPOT_ADDR_EEPROM|	DPOT_RDAC2
	)

DPOT_DEVICE_SHOW_SET	(	otp2	,
		DPOT_ADDR_OTP|	DPOT_RDAC2
	)

DPOT_DEVICE_SHOW_SET	(	otp2en	,
		DPOT_ADDR_OTP_EN|	DPOT_RDAC2
	)

DPOT_DEVICE_SHOW_SET	(	rdac3	,
		DPOT_ADDR_RDAC|	DPOT_RDAC3
	)

DPOT_DEVICE_SHOW_SET	(	eeprom3	,
		DPOT_ADDR_EEPROM|	DPOT_RDAC3
	)

DPOT_DEVICE_SHOW_SET	(	otp3	,
		DPOT_ADDR_OTP|	DPOT_RDAC3
	)

DPOT_DEVICE_SHOW_SET	(	otp3en	,
		DPOT_ADDR_OTP_EN|	DPOT_RDAC3
	)

DPOT_DEVICE_SHOW_SET	(	rdac4	,
		DPOT_ADDR_RDAC|	DPOT_RDAC4
	)

DPOT_DEVICE_SHOW_SET	(	eeprom4	,
		DPOT_ADDR_EEPROM|	DPOT_RDAC4
	)

DPOT_DEVICE_SHOW_SET	(	otp4	,
		DPOT_ADDR_OTP|	DPOT_RDAC4
	)

DPOT_DEVICE_SHOW_SET	(	otp4en	,
		DPOT_ADDR_OTP_EN|	DPOT_RDAC4
	)

DPOT_DEVICE_SHOW_SET	(	rdac5	,
		DPOT_ADDR_RDAC|	DPOT_RDAC5
	)

DPOT_DEVICE_SHOW_SET	(	eeprom5	,
		DPOT_ADDR_EEPROM|	DPOT_RDAC5
	)

DPOT_DEVICE_SHOW_SET	(	otp5	,
		DPOT_ADDR_OTP|	DPOT_RDAC5
	)

DPOT_DEVICE_SHOW_SET	(	otp5en	,
		DPOT_ADDR_OTP_EN|	DPOT_RDAC5
	)

EXPORT_SYMBOL

(

ad_dpot_probe

)

EXPORT_SYMBOL

(

ad_dpot_remove

)

MODULE_AUTHOR	(	"Chris Verges <[email protected]>	,
		""Michael Hennerich< hennerich @blackfin.uclinux.org >"
	)

MODULE_DESCRIPTION

(

"Digital potentiometer driver"

)

MODULE_LICENSE

(

"GPL"

)