smb.h revision 256281
1243730Srwatson/*- 2243730Srwatson * Copyright (c) 1998 Nicolas Souchu 3243730Srwatson * All rights reserved. 4243730Srwatson * 5243730Srwatson * Redistribution and use in source and binary forms, with or without 6243730Srwatson * modification, are permitted provided that the following conditions 7243730Srwatson * are met: 8243730Srwatson * 1. Redistributions of source code must retain the above copyright 9243730Srwatson * notice, this list of conditions and the following disclaimer. 10243730Srwatson * 2. Redistributions in binary form must reproduce the above copyright 11243730Srwatson * notice, this list of conditions and the following disclaimer in the 12243730Srwatson * documentation and/or other materials provided with the distribution. 13243730Srwatson * 14243730Srwatson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15243730Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16243730Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17243730Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18243730Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19243730Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20243730Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21243730Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22243730Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23243730Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24243730Srwatson * SUCH DAMAGE. 25243730Srwatson * 26243730Srwatson * $FreeBSD: stable/10/sys/dev/smbus/smb.h 162234 2006-09-11 20:52:41Z jhb $ 27243730Srwatson * 28243730Srwatson */ 29243730Srwatson#ifndef __SMB_H 30243730Srwatson#define __SMB_H 31243730Srwatson 32243730Srwatson#include <sys/ioccom.h> 33243730Srwatson 34243730Srwatsonstruct smbcmd { 35243730Srwatson char cmd; 36243730Srwatson int count; 37243730Srwatson u_char slave; 38243730Srwatson union { 39243730Srwatson char byte; 40243730Srwatson short word; 41243730Srwatson 42243730Srwatson char *byte_ptr; 43243730Srwatson short *word_ptr; 44243730Srwatson 45243730Srwatson struct { 46243730Srwatson short sdata; 47243730Srwatson short *rdata; 48243730Srwatson } process; 49243730Srwatson } data; 50243730Srwatson}; 51243730Srwatson 52243730Srwatson/* 53243730Srwatson * SMBus spec 2.0 says block transfers may be at most 32 bytes. 54243730Srwatson */ 55243730Srwatson#define SMB_MAXBLOCKSIZE 32 56243730Srwatson 57243730Srwatson#define SMB_QUICK_WRITE _IOW('i', 1, struct smbcmd) 58243730Srwatson#define SMB_QUICK_READ _IOW('i', 2, struct smbcmd) 59243730Srwatson#define SMB_SENDB _IOW('i', 3, struct smbcmd) 60243730Srwatson#define SMB_RECVB _IOWR('i', 4, struct smbcmd) 61243730Srwatson#define SMB_WRITEB _IOW('i', 5, struct smbcmd) 62243730Srwatson#define SMB_WRITEW _IOW('i', 6, struct smbcmd) 63243730Srwatson#define SMB_READB _IOW('i', 7, struct smbcmd) 64243730Srwatson#define SMB_READW _IOW('i', 8, struct smbcmd) 65243730Srwatson#define SMB_PCALL _IOW('i', 9, struct smbcmd) 66243730Srwatson#define SMB_BWRITE _IOW('i', 10, struct smbcmd) 67243730Srwatson#define SMB_OLD_BREAD _IOW('i', 11, struct smbcmd) 68243730Srwatson#define SMB_BREAD _IOWR('i', 11, struct smbcmd) 69243730Srwatson 70243730Srwatson#endif 71243730Srwatson