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/*-
* Copyright (c) 1998 Nicolas Souchu
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/smbus/smb.h 162234 2006-09-11 20:52:41Z jhb $
*
*/
#ifndef __SMB_H
#define __SMB_H
#include <sys/ioccom.h>
struct smbcmd {
char cmd;
int count;
u_char slave;
union {
char byte;
short word;
char *byte_ptr;
short *word_ptr;
struct {
short sdata;
short *rdata;
} process;
} data;
};
/*
* SMBus spec 2.0 says block transfers may be at most 32 bytes.
*/
#define SMB_MAXBLOCKSIZE 32
#define SMB_QUICK_WRITE _IOW('i', 1, struct smbcmd)
#define SMB_QUICK_READ _IOW('i', 2, struct smbcmd)
#define SMB_SENDB _IOW('i', 3, struct smbcmd)
#define SMB_RECVB _IOWR('i', 4, struct smbcmd)
#define SMB_WRITEB _IOW('i', 5, struct smbcmd)
#define SMB_WRITEW _IOW('i', 6, struct smbcmd)
#define SMB_READB _IOW('i', 7, struct smbcmd)
#define SMB_READW _IOW('i', 8, struct smbcmd)
#define SMB_PCALL _IOW('i', 9, struct smbcmd)
#define SMB_BWRITE _IOW('i', 10, struct smbcmd)
#define SMB_OLD_BREAD _IOW('i', 11, struct smbcmd)
#define SMB_BREAD _IOWR('i', 11, struct smbcmd)
#endif