bktr_i2c.h revision 93023
1193653Srwatson/*-
2193653Srwatson * Copyright (c) 1998, 2001 Nicolas Souchu
3193653Srwatson * All rights reserved.
4193653Srwatson *
5193653Srwatson * Redistribution and use in source and binary forms, with or without
6193653Srwatson * modification, are permitted provided that the following conditions
7193653Srwatson * are met:
8193653Srwatson * 1. Redistributions of source code must retain the above copyright
9193653Srwatson *    notice, this list of conditions and the following disclaimer.
10193653Srwatson * 2. Redistributions in binary form must reproduce the above copyright
11193653Srwatson *    notice, this list of conditions and the following disclaimer in the
12193653Srwatson *    documentation and/or other materials provided with the distribution.
13193653Srwatson *
14193653Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15193653Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16193653Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17193653Srwatson * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18193653Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19193653Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20193653Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21193653Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22193653Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23193653Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24193653Srwatson * SUCH DAMAGE.
25193653Srwatson *
26193653Srwatson * $FreeBSD: head/sys/dev/bktr/bktr_i2c.h 93023 2002-03-23 15:49:15Z nsouch $
27193653Srwatson *
28193653Srwatson */
29193653Srwatson#ifndef _BT848_I2C_H
30282781Shiren#define _BT848_I2C_H
31193653Srwatson
32193653Srwatsonextern int bt848_i2c_attach(device_t);
33193653Srwatsonextern int bt848_i2c_detach(device_t);
34193653Srwatson
35193653Srwatsonextern int bti2c_iic_callback(device_t, int, caddr_t *);
36193653Srwatsonextern void bti2c_iic_setsda(device_t, int);
37193653Srwatsonextern void bti2c_iic_setscl(device_t, int);
38193653Srwatsonextern int bti2c_iic_getsda(device_t);
39193653Srwatsonextern int bti2c_iic_getscl(device_t);
40193653Srwatsonextern int bti2c_iic_reset(device_t, u_char, u_char, u_char *);
41193653Srwatson
42193653Srwatsonextern int bti2c_smb_callback(device_t, int, caddr_t *);
43193653Srwatsonextern int bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte);
44193653Srwatsonextern int bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word);
45193653Srwatsonextern int bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte);
46193653Srwatson
47193653Srwatson#endif
48193653Srwatson