Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/mac_biba/@/dev/iicbus/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/mac_biba/@/dev/iicbus/iic.h |
/*- * 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/iicbus/iic.h 210998 2010-08-07 08:31:32Z joel $ * */ #ifndef __IIC_H #define __IIC_H #include <sys/ioccom.h> /* Designed to be compatible with linux's struct i2c_msg */ struct iic_msg { uint16_t slave; uint16_t flags; #define IIC_M_WR 0 /* Fake flag for write */ #define IIC_M_RD 0x0001 /* read vs write */ #define IIC_M_NOSTOP 0x0002 /* do not send a I2C stop after message */ #define IIC_M_NOSTART 0x0004 /* do not send a I2C start before message */ uint16_t len; /* msg length */ uint8_t * buf; }; struct iiccmd { u_char slave; int count; int last; char *buf; }; struct iic_rdwr_data { struct iic_msg *msgs; uint32_t nmsgs; }; #define I2CSTART _IOW('i', 1, struct iiccmd) /* start condition */ #define I2CSTOP _IO('i', 2) /* stop condition */ #define I2CRSTCARD _IOW('i', 3, struct iiccmd) /* reset the card */ #define I2CWRITE _IOW('i', 4, struct iiccmd) /* send data */ #define I2CREAD _IOW('i', 5, struct iiccmd) /* receive data */ #define I2CRDWR _IOW('i', 6, struct iic_rdwr_data) /* General read/write interface */ #define I2CRPTSTART _IOW('i', 7, struct iiccmd) /* repeated start */ #endif