#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <asm/bbc.h>
#include <asm/io.h>
#include "bbc_i2c.h"

Macros
#define	I2C_PCF_PIN 0x80

#define	I2C_PCF_ESO 0x40

#define	I2C_PCF_ES1 0x20

#define	I2C_PCF_ES2 0x10

#define	I2C_PCF_ENI 0x08

#define	I2C_PCF_STA 0x04

#define	I2C_PCF_STO 0x02

#define	I2C_PCF_ACK 0x01

#define	I2C_PCF_START (I2C_PCF_PIN \| I2C_PCF_ESO \| I2C_PCF_ENI \| I2C_PCF_STA \| I2C_PCF_ACK)

#define	I2C_PCF_STOP (I2C_PCF_PIN \| I2C_PCF_ESO \| I2C_PCF_STO \| I2C_PCF_ACK)

#define	I2C_PCF_REPSTART ( I2C_PCF_ESO \| I2C_PCF_STA \| I2C_PCF_ACK)

#define	I2C_PCF_IDLE (I2C_PCF_PIN \| I2C_PCF_ESO \| I2C_PCF_ACK)

#define	I2C_PCF_INI 0x40 /* 1 if not initialized */

#define	I2C_PCF_STS 0x20

#define	I2C_PCF_BER 0x10

#define	I2C_PCF_AD0 0x08

#define	I2C_PCF_LRB 0x08

#define	I2C_PCF_AAS 0x04

#define	I2C_PCF_LAB 0x02

#define	I2C_PCF_BB 0x01

#define	claim_device(BP, ECHILD) set_device_claimage(BP,ECHILD,1)

#define	release_device(BP, ECHILD) set_device_claimage(BP,ECHILD,0)

Functions
struct platform_device *	bbc_i2c_getdev (struct bbc_i2c_bus *bp, int index)

struct bbc_i2c_client *	bbc_i2c_attach (struct bbc_i2c_bus bp, struct platform_device op)

void	bbc_i2c_detach (struct bbc_i2c_client *client)

int	bbc_i2c_writeb (struct bbc_i2c_client *client, unsigned char val, int off)

int	bbc_i2c_readb (struct bbc_i2c_client client, unsigned char byte, int off)

int	bbc_i2c_write_buf (struct bbc_i2c_client client, char buf, int len, int off)

int	bbc_i2c_read_buf (struct bbc_i2c_client client, char buf, int len, int off)

	EXPORT_SYMBOL (bbc_i2c_getdev)

	EXPORT_SYMBOL (bbc_i2c_attach)

	EXPORT_SYMBOL (bbc_i2c_detach)

	EXPORT_SYMBOL (bbc_i2c_writeb)

	EXPORT_SYMBOL (bbc_i2c_readb)

	EXPORT_SYMBOL (bbc_i2c_write_buf)

	EXPORT_SYMBOL (bbc_i2c_read_buf)

int	bbc_envctrl_init (struct bbc_i2c_bus *bp)

void	bbc_envctrl_cleanup (struct bbc_i2c_bus *bp)

	MODULE_DEVICE_TABLE (of, bbc_i2c_match)

	module_platform_driver (bbc_i2c_driver)

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define claim_device	(	BP,
		ECHILD
	)	set_device_claimage(BP,ECHILD,1)

Definition at line 66 of file bbc_i2c.c.

#define I2C_PCF_AAS 0x04

Definition at line 43 of file bbc_i2c.c.

#define I2C_PCF_ACK 0x01

Definition at line 31 of file bbc_i2c.c.

#define I2C_PCF_AD0 0x08

Definition at line 41 of file bbc_i2c.c.

#define I2C_PCF_BB 0x01

Definition at line 45 of file bbc_i2c.c.

#define I2C_PCF_BER 0x10

Definition at line 40 of file bbc_i2c.c.

#define I2C_PCF_ENI 0x08

Definition at line 28 of file bbc_i2c.c.

#define I2C_PCF_ES1 0x20

Definition at line 26 of file bbc_i2c.c.

#define I2C_PCF_ES2 0x10

Definition at line 27 of file bbc_i2c.c.

#define I2C_PCF_ESO 0x40

Definition at line 25 of file bbc_i2c.c.

#define I2C_PCF_IDLE (I2C_PCF_PIN | I2C_PCF_ESO | I2C_PCF_ACK)

Definition at line 36 of file bbc_i2c.c.

#define I2C_PCF_INI 0x40 /* 1 if not initialized */

Definition at line 38 of file bbc_i2c.c.

#define I2C_PCF_LAB 0x02

Definition at line 44 of file bbc_i2c.c.

#define I2C_PCF_LRB 0x08

Definition at line 42 of file bbc_i2c.c.

#define I2C_PCF_PIN 0x80

Definition at line 24 of file bbc_i2c.c.

#define I2C_PCF_REPSTART ( I2C_PCF_ESO | I2C_PCF_STA | I2C_PCF_ACK)

Definition at line 35 of file bbc_i2c.c.

#define I2C_PCF_STA 0x04

Definition at line 29 of file bbc_i2c.c.

#define I2C_PCF_START (I2C_PCF_PIN | I2C_PCF_ESO | I2C_PCF_ENI | I2C_PCF_STA | I2C_PCF_ACK)

Definition at line 33 of file bbc_i2c.c.

#define I2C_PCF_STO 0x02

Definition at line 30 of file bbc_i2c.c.

#define I2C_PCF_STOP (I2C_PCF_PIN | I2C_PCF_ESO | I2C_PCF_STO | I2C_PCF_ACK)

Definition at line 34 of file bbc_i2c.c.

#define I2C_PCF_STS 0x20

Definition at line 39 of file bbc_i2c.c.

#define release_device	(	BP,
		ECHILD
	)	set_device_claimage(BP,ECHILD,0)

Definition at line 67 of file bbc_i2c.c.

Function Documentation

void bbc_envctrl_cleanup ( struct bbc_i2c_bus * bp )

Definition at line 588 of file bbc_envctrl.c.

int bbc_envctrl_init ( struct bbc_i2c_bus * bp )

Definition at line 560 of file bbc_envctrl.c.

struct bbc_i2c_client* bbc_i2c_attach	(	struct bbc_i2c_bus *	bp,
		struct platform_device *	op
	)

read

Definition at line 89 of file bbc_i2c.c.

void bbc_i2c_detach ( struct bbc_i2c_client * client )

Definition at line 114 of file bbc_i2c.c.

struct platform_device* bbc_i2c_getdev	(	struct bbc_i2c_bus *	bp,
		int	index
	)

read

Definition at line 69 of file bbc_i2c.c.

int bbc_i2c_read_buf	(	struct bbc_i2c_client *	client,
		char *	buf,
		int	len,
		int	off
	)

Definition at line 246 of file bbc_i2c.c.

int bbc_i2c_readb	(	struct bbc_i2c_client *	client,
		unsigned char *	byte,
		int	off
	)

Definition at line 181 of file bbc_i2c.c.

int bbc_i2c_write_buf	(	struct bbc_i2c_client *	client,
		char *	buf,
		int	len,
		int	off
	)

Definition at line 230 of file bbc_i2c.c.

int bbc_i2c_writeb	(	struct bbc_i2c_client *	client,
		unsigned char	val,
		int	off
	)

Definition at line 150 of file bbc_i2c.c.

EXPORT_SYMBOL ( bbc_i2c_getdev )

EXPORT_SYMBOL ( bbc_i2c_attach )

EXPORT_SYMBOL ( bbc_i2c_detach )

EXPORT_SYMBOL ( bbc_i2c_writeb )

EXPORT_SYMBOL ( bbc_i2c_readb )

EXPORT_SYMBOL ( bbc_i2c_write_buf )

EXPORT_SYMBOL ( bbc_i2c_read_buf )

MODULE_DEVICE_TABLE	(	of	,
		bbc_i2c_match
	)

MODULE_LICENSE ( "GPL" )

module_platform_driver ( bbc_i2c_driver )

Macros

Functions

Macro Definition Documentation

Function Documentation