sys/platform/pc32/include/iic.h

   1 /*-
   2  * Copyright (c) 1998 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: src/sys/i386/include/iic.h,v 1.3 1999/08/28 00:44:16 peter Exp $
  27  * $DragonFly: src/sys/platform/pc32/include/iic.h,v 1.4 2006/05/20 02:42:06 dillon Exp $
  28  *
  29  */
  30 #ifndef _MACHINE_IIC_H_
  31 #define _MACHINE_IIC_H_
  32
  33 #ifndef _SYS_TYPES_H_
  34 #include <sys/types.h>
  35 #endif
  36 #ifndef _SYS_IOCCOM_H_
  37 #include <sys/ioccom.h>
  38 #endif
  39
  40 struct iiccmd {
  41         u_char slave;
  42         int count;
  43         int last;
  44         char *buf;
  45 };
  46
  47 #define I2CSTART        _IOW('i', 1, struct iiccmd)     /* start condition */
  48 #define I2CSTOP         _IO('i', 2)                     /* stop condition */
  49 #define I2CRSTCARD      _IOW('i', 3, struct iiccmd)     /* reset the card */
  50 #define I2CWRITE        _IOW('i', 4, struct iiccmd)     /* send data */
  51 #define I2CREAD         _IOW('i', 5, struct iiccmd)     /* receive data */
  52
  53 #endif