bktr_i2c.h revision 93023
1/*- 2 * Copyright (c) 1998, 2001 Nicolas Souchu 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/bktr/bktr_i2c.h 93023 2002-03-23 15:49:15Z nsouch $ 27 * 28 */ 29#ifndef _BT848_I2C_H 30#define _BT848_I2C_H 31 32extern int bt848_i2c_attach(device_t); 33extern int bt848_i2c_detach(device_t); 34 35extern int bti2c_iic_callback(device_t, int, caddr_t *); 36extern void bti2c_iic_setsda(device_t, int); 37extern void bti2c_iic_setscl(device_t, int); 38extern int bti2c_iic_getsda(device_t); 39extern int bti2c_iic_getscl(device_t); 40extern int bti2c_iic_reset(device_t, u_char, u_char, u_char *); 41 42extern int bti2c_smb_callback(device_t, int, caddr_t *); 43extern int bti2c_smb_writeb(device_t dev, u_char slave, char cmd, char byte); 44extern int bti2c_smb_writew(device_t dev, u_char slave, char cmd, short word); 45extern int bti2c_smb_readb(device_t dev, u_char slave, char cmd, char *byte); 46 47#endif 48