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