i2c-algo-pca.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-pca.h>

Go to the source code of this file.

Macros
#define	DEB1(fmt, args...)
#define	DEB2(fmt, args...)
#define	DEB3(fmt, args...)
#define	pca_outw(adap, reg, val)   adap->write_byte(adap->data, reg, val)
#define	pca_inw(adap, reg)   adap->read_byte(adap->data, reg)
#define	pca_status(adap)   pca_inw(adap, I2C_PCA_STA)
#define	pca_clock(adap)   adap->i2c_clock
#define	pca_set_con(adap, val)   pca_outw(adap, I2C_PCA_CON, val)
#define	pca_get_con(adap)   pca_inw(adap, I2C_PCA_CON)
#define	pca_wait(adap)   adap->wait_for_completion(adap->data)

Functions
int	i2c_pca_add_bus (struct i2c_adapter *adap)
	EXPORT_SYMBOL (i2c_pca_add_bus)
int	i2c_pca_add_numbered_bus (struct i2c_adapter *adap)
	EXPORT_SYMBOL (i2c_pca_add_numbered_bus)
	MODULE_AUTHOR ("Ian Campbell <[email protected]>, ""Wolfram Sang <[email protected]>")
	MODULE_DESCRIPTION ("I2C-Bus PCA9564/PCA9665 algorithm")
	MODULE_LICENSE ("GPL")
	module_param (i2c_debug, int, 0)

Macro Definition Documentation

#define DEB1	(		fmt,
			args...
	)

Value:

do { if (i2c_debug >= 1)            \
                 printk(KERN_DEBUG fmt, ## args); } while (0)

Definition at line 32 of file i2c-algo-pca.c.

#define DEB2	(		fmt,
			args...
	)

Value:

do { if (i2c_debug >= 2)            \
                 printk(KERN_DEBUG fmt, ## args); } while (0)

Definition at line 34 of file i2c-algo-pca.c.

#define DEB3	(		fmt,
			args...
	)

Value:

do { if (i2c_debug >= 3)            \
                 printk(KERN_DEBUG fmt, ## args); } while (0)

Definition at line 36 of file i2c-algo-pca.c.

#define pca_clock

(

adap

)

adap->i2c_clock

Definition at line 45 of file i2c-algo-pca.c.

#define pca_get_con

(

adap

)

pca_inw(adap, I2C_PCA_CON)

Definition at line 47 of file i2c-algo-pca.c.

#define pca_inw	(		adap,
			reg
	)		adap->read_byte(adap->data, reg)

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

#define pca_outw	(		adap,
			reg,
			val
	)		adap->write_byte(adap->data, reg, val)

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

#define pca_set_con	(		adap,
			val
	)		pca_outw(adap, I2C_PCA_CON, val)

Definition at line 46 of file i2c-algo-pca.c.

#define pca_status

(

adap

)

pca_inw(adap, I2C_PCA_STA)

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

#define pca_wait

(

adap

)

adap->wait_for_completion(adap->data)

Definition at line 48 of file i2c-algo-pca.c.

Function Documentation

EXPORT_SYMBOL

(

i2c_pca_add_bus

)

EXPORT_SYMBOL

(

i2c_pca_add_numbered_bus

)

int i2c_pca_add_bus

(

struct i2c_adapter *

adap

)

Definition at line 538 of file i2c-algo-pca.c.

int i2c_pca_add_numbered_bus

(

struct i2c_adapter *

adap

)

Definition at line 550 of file i2c-algo-pca.c.

MODULE_AUTHOR	(	"Ian Campbell <[email protected]>	,
		""Wolfram Sang< w.sang @pengutronix.de >"
	)

MODULE_DESCRIPTION

(

"I2C-Bus PCA9564/PCA9665 algorithm"

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	i2c_debug	,
		int	,
		0
	)