/* $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_ */ |