bktr_i2c.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1998, 2001 Nicolas Souchu
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/sys/dev/bktr/bktr_i2c.h 330897 2018-03-14 03:19:51Z eadler $
29 *
30 */
31#ifndef _BT848_I2C_H
32#define _BT848_I2C_H
33
34extern int bt848_i2c_attach(device_t);
35extern int bt848_i2c_detach(device_t);
36
37extern int bti2c_iic_callback(device_t, int, caddr_t *);
38extern void bti2c_iic_setsda(device_t, int);
39extern void bti2c_iic_setscl(device_t, int);
40extern int bti2c_iic_getsda(device_t);
41extern int bti2c_iic_getscl(device_t);
42extern int bti2c_iic_reset(device_t, u_char, u_char, u_char *);
43
44extern int bti2c_smb_callback(device_t, int, void *);
45extern int bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte);
46extern int bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word);
47extern int bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte);
48
49#endif
50