i2c-algo-bit.h revision 1.2.2.1
1 1.2.2.1 tls /* $NetBSD: i2c-algo-bit.h,v 1.2.2.1 2014/08/10 06:55:39 tls 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 1.2.2.1 tls #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 1.2 riastrad /* XXX Make the nm output a little more greppable... */ 50 1.2 riastrad #define i2c_bit_algo linux_i2c_bit_algo 51 1.2 riastrad 52 1.2 riastrad extern const struct i2c_algorithm i2c_bit_algo; 53 1.2 riastrad 54 1.2.2.1 tls static inline int 55 1.2.2.1 tls i2c_bit_add_bus(struct i2c_adapter *adapter) 56 1.2.2.1 tls { 57 1.2.2.1 tls 58 1.2.2.1 tls adapter->algo = &i2c_bit_algo; 59 1.2.2.1 tls return 0; 60 1.2.2.1 tls } 61 1.2.2.1 tls 62 1.2 riastrad #endif /* _LINUX_I2C_ALGO_BIT_H_ */ 63
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