i2c-algo-pcf.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-pcf.h>
#include "i2c-algo-pcf.h"

Go to the source code of this file.

Macros
#define	DEB2(x)   if (i2c_debug >= 2) x
#define	DEB3(x)   if (i2c_debug >= 3) x /* print several statistical values */
#define	DEBPROTO(x)   if (i2c_debug >= 9) x;
#define	DEF_TIMEOUT   16
#define	set_pcf(adap, ctl, val)   adap->setpcf(adap->data, ctl, val)
#define	get_pcf(adap, ctl)   adap->getpcf(adap->data, ctl)
#define	get_own(adap)   adap->getown(adap->data)
#define	get_clock(adap)   adap->getclock(adap->data)
#define	i2c_outb(adap, val)   adap->setpcf(adap->data, 0, val)
#define	i2c_inb(adap)   adap->getpcf(adap->data, 0)

Functions
int	i2c_pcf_add_bus (struct i2c_adapter *adap)
	EXPORT_SYMBOL (i2c_pcf_add_bus)
	MODULE_AUTHOR ("Hans Berglund <hb@spacetec.no>")
	MODULE_DESCRIPTION ("I2C-Bus PCF8584 algorithm")
	MODULE_LICENSE ("GPL")
	module_param (i2c_debug, int, S_IRUGO|S_IWUSR)
	MODULE_PARM_DESC (i2c_debug,"debug level - 0 off; 1 normal; 2,3 more verbose; 9 pcf-protocol")

Macro Definition Documentation

#define DEB2

(

x

)

if (i2c_debug >= 2) x

Definition at line 40 of file i2c-algo-pcf.c.

#define DEB3

(

x

)

if (i2c_debug >= 3) x /* print several statistical values */

Definition at line 41 of file i2c-algo-pcf.c.

#define DEBPROTO

(

x

)

if (i2c_debug >= 9) x;

Definition at line 42 of file i2c-algo-pcf.c.

#define DEF_TIMEOUT   16

Definition at line 44 of file i2c-algo-pcf.c.

#define get_clock

(

adap

)

adap->getclock(adap->data)

Definition at line 56 of file i2c-algo-pcf.c.

#define get_own

(

adap

)

adap->getown(adap->data)

Definition at line 55 of file i2c-algo-pcf.c.

#define get_pcf	(		adap,
			ctl
	)		adap->getpcf(adap->data, ctl)

Definition at line 54 of file i2c-algo-pcf.c.

#define i2c_inb

(

adap

)

adap->getpcf(adap->data, 0)

Definition at line 58 of file i2c-algo-pcf.c.

#define i2c_outb	(		adap,
			val
	)		adap->setpcf(adap->data, 0, val)

Definition at line 57 of file i2c-algo-pcf.c.

#define set_pcf	(		adap,
			ctl,
			val
	)		adap->setpcf(adap->data, ctl, val)

Definition at line 53 of file i2c-algo-pcf.c.

Function Documentation

EXPORT_SYMBOL

(

i2c_pcf_add_bus

)

int i2c_pcf_add_bus

(

struct i2c_adapter *

adap

)

Definition at line 417 of file i2c-algo-pcf.c.

MODULE_AUTHOR

(

"Hans Berglund <hb@spacetec.no>"

)

MODULE_DESCRIPTION

(

"I2C-Bus PCF8584 algorithm"

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	i2c_debug	,
		int	,
		S_IRUGO|	S_IWUSR
	)

MODULE_PARM_DESC	(	i2c_debug	,
		"debug level - 0 off; 1 normal;	2,
		3 more verbose;9 pcf-protocol"
	)