i2c-nuc900.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/cpufreq.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <mach/mfp.h>
#include <linux/platform_data/i2c-nuc900.h>

Go to the source code of this file.

Data Structures
struct	nuc900_i2c

Macros
#define	CSR   0x00
#define	DIVIDER   0x04
#define	CMDR   0x08
#define	SWR   0x0C
#define	RXR   0x10
#define	TXR   0x14
#define	IRQEN   0x003
#define	I2CBUSY   0x400
#define	I2CSTART   0x018
#define	IRQFLAG   0x004
#define	ARBIT_LOST   0x200
#define	SLAVE_ACK   0x800
#define	I2C_CMD_START   0x10
#define	I2C_CMD_STOP   0x08
#define	I2C_CMD_READ   0x04
#define	I2C_CMD_WRITE   0x02
#define	I2C_CMD_NACK   0x01

Enumerations
enum	nuc900_i2c_state {   STATE_IDLE, STATE_START, STATE_READ, STATE_WRITE,   STATE_STOP }

Functions
	subsys_initcall (i2c_adap_nuc900_init)
	module_exit (i2c_adap_nuc900_exit)
	MODULE_DESCRIPTION ("NUC900 I2C Bus driver")
	MODULE_AUTHOR ("Wan ZongShun, <[email protected]>")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS ("platform:nuc900-i2c0")

Macro Definition Documentation

#define ARBIT_LOST   0x200

Definition at line 49 of file i2c-nuc900.c.

#define CMDR   0x08

Definition at line 38 of file i2c-nuc900.c.

#define CSR   0x00

Definition at line 36 of file i2c-nuc900.c.

#define DIVIDER   0x04

Definition at line 37 of file i2c-nuc900.c.

#define I2C_CMD_NACK   0x01

Definition at line 58 of file i2c-nuc900.c.

#define I2C_CMD_READ   0x04

Definition at line 56 of file i2c-nuc900.c.

#define I2C_CMD_START   0x10

Definition at line 54 of file i2c-nuc900.c.

#define I2C_CMD_STOP   0x08

Definition at line 55 of file i2c-nuc900.c.

#define I2C_CMD_WRITE   0x02

Definition at line 57 of file i2c-nuc900.c.

#define I2CBUSY   0x400

Definition at line 46 of file i2c-nuc900.c.

#define I2CSTART   0x018

Definition at line 47 of file i2c-nuc900.c.

#define IRQEN   0x003

Definition at line 45 of file i2c-nuc900.c.

#define IRQFLAG   0x004

Definition at line 48 of file i2c-nuc900.c.

#define RXR   0x10

Definition at line 40 of file i2c-nuc900.c.

#define SLAVE_ACK   0x800

Definition at line 50 of file i2c-nuc900.c.

#define SWR   0x0C

Definition at line 39 of file i2c-nuc900.c.

#define TXR   0x14

Definition at line 41 of file i2c-nuc900.c.

Enumeration Type Documentation

enum nuc900_i2c_state

Enumerator:

STATE_IDLE
STATE_START
STATE_READ
STATE_WRITE
STATE_STOP

Definition at line 62 of file i2c-nuc900.c.

Function Documentation

MODULE_ALIAS

(

"platform:nuc900-i2c0"

)

MODULE_AUTHOR	(	"Wan	ZongShun,
		< mcuos.com-Re5JQEeQqe8AvxtiuMwx3w @public.gmane.org >"
	)

MODULE_DESCRIPTION

(

"NUC900 I2C Bus driver"

)

module_exit

(

i2c_adap_nuc900_exit

)

MODULE_LICENSE

(

"GPL"

)

subsys_initcall

(

i2c_adap_nuc900_init

)