Home | History | Annotate | Line # | Download | only in linux
i2c-algo-bit.h revision 1.4 
      1  1.4  riastrad /*	$NetBSD: i2c-algo-bit.h,v 1.4 2014/07/26 06:26:39 riastradh Exp $	*/
      2  1.2  riastrad 
      3  1.2  riastrad /*-
      4  1.2  riastrad  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  1.2  riastrad  * All rights reserved.
      6  1.2  riastrad  *
      7  1.2  riastrad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.2  riastrad  * by Taylor R. Campbell.
      9  1.2  riastrad  *
     10  1.2  riastrad  * Redistribution and use in source and binary forms, with or without
     11  1.2  riastrad  * modification, are permitted provided that the following conditions
     12  1.2  riastrad  * are met:
     13  1.2  riastrad  * 1. Redistributions of source code must retain the above copyright
     14  1.2  riastrad  *    notice, this list of conditions and the following disclaimer.
     15  1.2  riastrad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.2  riastrad  *    notice, this list of conditions and the following disclaimer in the
     17  1.2  riastrad  *    documentation and/or other materials provided with the distribution.
     18  1.2  riastrad  *
     19  1.2  riastrad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.2  riastrad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.2  riastrad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.2  riastrad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.2  riastrad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.2  riastrad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.2  riastrad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.2  riastrad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.2  riastrad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.2  riastrad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.2  riastrad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.2  riastrad  */
     31  1.2  riastrad 
     32  1.2  riastrad #ifndef _LINUX_I2C_ALGO_BIT_H_
     33  1.2  riastrad #define _LINUX_I2C_ALGO_BIT_H_
     34  1.2  riastrad 
     35  1.4  riastrad #include <linux/i2c.h>
     36  1.2  riastrad 
     37  1.2  riastrad struct i2c_algo_bit_data {
     38  1.2  riastrad 	void		*data;
     39  1.2  riastrad 	void		(*setsda)(void *, int);
     40  1.2  riastrad 	void		(*setscl)(void *, int);
     41  1.2  riastrad 	int		(*getsda)(void *);
     42  1.2  riastrad 	int		(*getscl)(void *);
     43  1.2  riastrad 	int		(*pre_xfer)(struct i2c_adapter *);
     44  1.2  riastrad 	void		(*post_xfer)(struct i2c_adapter *);
     45  1.2  riastrad 	int		udelay;
     46  1.2  riastrad 	int		timeout;
     47  1.2  riastrad };
     48  1.2  riastrad 
     49  1.4  riastrad /* XXX Make the nm output a little more greppable...  */
     50  1.4  riastrad #define	i2c_bit_algo	linux_i2c_bit_algo
     51  1.4  riastrad 
     52  1.4  riastrad extern const struct i2c_algorithm i2c_bit_algo;
     53  1.4  riastrad 
     54  1.3  riastrad static inline int
     55  1.4  riastrad i2c_bit_add_bus(struct i2c_adapter *adapter)
     56  1.3  riastrad {
     57  1.4  riastrad 
     58  1.4  riastrad 	adapter->algo = &i2c_bit_algo;
     59  1.3  riastrad 	return 0;
     60  1.3  riastrad }
     61  1.3  riastrad 
     62  1.2  riastrad #endif  /* _LINUX_I2C_ALGO_BIT_H_ */
     63