2015-10-15 10:25:28 +02:00

63 lines
2.2 KiB
C

/* $NetBSD: i2c-algo-bit.h,v 1.4 2014/07/26 06:26:39 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LINUX_I2C_ALGO_BIT_H_
#define _LINUX_I2C_ALGO_BIT_H_
#include <linux/i2c.h>
struct i2c_algo_bit_data {
void *data;
void (*setsda)(void *, int);
void (*setscl)(void *, int);
int (*getsda)(void *);
int (*getscl)(void *);
int (*pre_xfer)(struct i2c_adapter *);
void (*post_xfer)(struct i2c_adapter *);
int udelay;
int timeout;
};
/* XXX Make the nm output a little more greppable... */
#define i2c_bit_algo linux_i2c_bit_algo
extern const struct i2c_algorithm i2c_bit_algo;
static inline int
i2c_bit_add_bus(struct i2c_adapter *adapter)
{
adapter->algo = &i2c_bit_algo;
return 0;
}
#endif /* _LINUX_I2C_ALGO_BIT_H_ */