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/*
* Freescale STMP378X I2C low-level/dma functions
*
* Author: Dmitrij Frasenyak <sed@embeddedalley.com>
*
* Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#ifndef _ARM_ARCH_I2C_H
#define _ARM_ARCH_I2C_H
#include <linux/device.h>
#include <linux/module.h>
#include <linux/completion.h>
#include <linux/i2c.h>
#define I2C_READ 1
#define I2C_WRITE 0
void hw_i2c_clear_dma_interrupt(void);
int hw_i2c_init(struct device *dev);
void hw_i2c_stop(struct device *dev);
void hw_i2c_setup_write(u8 addr, void *buff, int len, int flags);
void hw_i2c_setup_read(u8 addr, void *buff, int len, int flags);
void hw_i2c_run(int dir);
void hw_i2c_reset_dma(void);
void hw_i2c_finish_read(void *buff, int len);
struct stmp378x_i2c_dev {
struct device *dev;
int irq_dma;
int irq_err;
struct completion cmd_complete;
u32 cmd_err;
struct i2c_adapter adapter;
};
#endif
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