i2c-ocores.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
#include <linux/i2c-ocores.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/of_i2c.h>
#include <linux/log2.h>

Go to the source code of this file.

Data Structures
struct	ocores_i2c

Macros
#define	OCI2C_PRELOW   0
#define	OCI2C_PREHIGH   1
#define	OCI2C_CONTROL   2
#define	OCI2C_DATA   3
#define	OCI2C_CMD   4 /* write only */
#define	OCI2C_STATUS   4 /* read only, same address as OCI2C_CMD */
#define	OCI2C_CTRL_IEN   0x40
#define	OCI2C_CTRL_EN   0x80
#define	OCI2C_CMD_START   0x91
#define	OCI2C_CMD_STOP   0x41
#define	OCI2C_CMD_READ   0x21
#define	OCI2C_CMD_WRITE   0x11
#define	OCI2C_CMD_READ_ACK   0x21
#define	OCI2C_CMD_READ_NACK   0x29
#define	OCI2C_CMD_IACK   0x01
#define	OCI2C_STAT_IF   0x01
#define	OCI2C_STAT_TIP   0x02
#define	OCI2C_STAT_ARBLOST   0x20
#define	OCI2C_STAT_BUSY   0x40
#define	OCI2C_STAT_NACK   0x80
#define	STATE_DONE   0
#define	STATE_START   1
#define	STATE_WRITE   2
#define	STATE_READ   3
#define	STATE_ERROR   4
#define	ocores_i2c_of_probe(pdev, i2c)   -ENODEV
#define	OCORES_I2C_PM   NULL

Functions
	MODULE_DEVICE_TABLE (of, ocores_i2c_match)
	module_platform_driver (ocores_i2c_driver)
	MODULE_AUTHOR ("Peter Korsgaard <[email protected]>")
	MODULE_DESCRIPTION ("OpenCores I2C bus driver")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS ("platform:ocores-i2c")

Macro Definition Documentation

#define OCI2C_CMD   4 /* write only */

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

#define OCI2C_CMD_IACK   0x01

Definition at line 60 of file i2c-ocores.c.

#define OCI2C_CMD_READ   0x21

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

#define OCI2C_CMD_READ_ACK   0x21

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

#define OCI2C_CMD_READ_NACK   0x29

Definition at line 59 of file i2c-ocores.c.

#define OCI2C_CMD_START   0x91

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

#define OCI2C_CMD_STOP   0x41

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

#define OCI2C_CMD_WRITE   0x11

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

#define OCI2C_CONTROL   2

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

#define OCI2C_CTRL_EN   0x80

Definition at line 52 of file i2c-ocores.c.

#define OCI2C_CTRL_IEN   0x40

Definition at line 51 of file i2c-ocores.c.

#define OCI2C_DATA   3

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

#define OCI2C_PREHIGH   1

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

#define OCI2C_PRELOW   0

Definition at line 44 of file i2c-ocores.c.

#define OCI2C_STAT_ARBLOST   0x20

Definition at line 64 of file i2c-ocores.c.

#define OCI2C_STAT_BUSY   0x40

Definition at line 65 of file i2c-ocores.c.

#define OCI2C_STAT_IF   0x01

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

#define OCI2C_STAT_NACK   0x80

Definition at line 66 of file i2c-ocores.c.

#define OCI2C_STAT_TIP   0x02

Definition at line 63 of file i2c-ocores.c.

#define OCI2C_STATUS   4 /* read only, same address as OCI2C_CMD */

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

#define ocores_i2c_of_probe	(		pdev,
			i2c
	)		-ENODEV

Definition at line 263 of file i2c-ocores.c.

#define OCORES_I2C_PM   NULL

Definition at line 387 of file i2c-ocores.c.

#define STATE_DONE   0

Definition at line 68 of file i2c-ocores.c.

#define STATE_ERROR   4

Definition at line 72 of file i2c-ocores.c.

#define STATE_READ   3

Definition at line 71 of file i2c-ocores.c.

#define STATE_START   1

Definition at line 69 of file i2c-ocores.c.

#define STATE_WRITE   2

Definition at line 70 of file i2c-ocores.c.

Function Documentation

MODULE_ALIAS

(

"platform:ocores-i2c"

)

MODULE_AUTHOR

(

"Peter Korsgaard <[email protected]>"

)

MODULE_DESCRIPTION

(

"OpenCores I2C bus driver"

)

MODULE_DEVICE_TABLE	(	of	,
		ocores_i2c_match
	)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

ocores_i2c_driver

)