include: Import dev/i2c/i2c_io.h

Change-Id: Icb754891349b7f571863f3a87b0318c28c35ac79

distrib/sets/lists/minix/mi

@@ -546,6 +546,9 @@
 ./usr/include/ddekit/timer.h		minix-sys
 ./usr/include/ddekit/types.h		minix-sys
 ./usr/include/ddekit/usb.h		minix-sys
+./usr/include/dev			minix-sys
+./usr/include/dev/i2c			minix-sys
+./usr/include/dev/i2c/i2c_io.h		minix-sys
 ./usr/include/dirent.h			minix-sys
 ./usr/include/disktab.h			minix-sys
 ./usr/include/dlfcn.h			minix-sys

releasetools/nbsd_ports

@@ -94,6 +94,9 @@
 2012/02/10 16:16:12,share/zoneinfo
 2011/12/25 06:09:09,sys/arch/i386/stand
 2012/10/17 12:00:00,sys/arch/x86/include
+2013/04/23 12:00:00,sys/dev/Makefile
+2013/04/23 12:00:00,sys/dev/i2c/Makefile
+2013/04/23 12:00:00,sys/dev/i2c/i2c_io.h
 2012/01/16 18:47:57,sys/lib/libsa
 2012/10/17 12:00:00,sys/lib/libz
 2012/10/17 12:00:00,sys/Makefile

sys/Makefile

@@ -2,7 +2,7 @@
 
 .include <bsd.own.mk>
 
-SUBDIR=	arch \
+SUBDIR=	arch dev \
 	net netinet netinet6 \
         \
 	sys ufs

sys/dev/Makefile

@@ -0,0 +1,26 @@
+#	$NetBSD: Makefile,v 1.35 2012/06/20 21:38:26 sjg Exp $
+
+.if defined(__MINIX)
+SUBDIR=	i2c
+.else
+SUBDIR=	apm ata bluetooth dec dm dmover dtv filemon hpc \
+	i2c i2o ic ieee1394 ir isa \
+	microcode ofw pci pckbport pcmcia pud putter raidframe sbus scsipi \
+	sun tc usb vme wscons
+.endif
+
+.include <bsd.own.mk>
+
+.if ${MKISCSI} != "no"
+SUBDIR+= iscsi
+.endif
+
+INCSDIR= /usr/include/dev
+
+.if !defined(__MINIX)
+# Only install includes which are used by userland
+INCS=	biovar.h ccdvar.h cgdvar.h fssvar.h keylock.h kttcpio.h lockstat.h \
+	md.h vndvar.h
+.endif
+
+.include <bsd.kinc.mk>

sys/dev/i2c/Makefile

@@ -0,0 +1,6 @@
+# $NetBSD: Makefile,v 1.3 2011/10/02 16:39:47 jmcneill Exp $
+
+INCSDIR= /usr/include/dev/i2c
+INCS=	i2c_io.h
+
+.include <bsd.kinc.mk>

sys/dev/i2c/i2c_io.h

@@ -0,0 +1,106 @@
+/*	$NetBSD: i2c_io.h,v 1.3 2012/04/22 14:10:36 pgoyette Exp $	*/
+
+/*
+ * Copyright (c) 2003 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Jason R. Thorpe for Wasabi Systems, Inc.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed for the NetBSD Project by
+ *      Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
+ * 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.
+ */
+
+#ifndef _DEV_I2C_I2C_IO_H_
+#define	_DEV_I2C_I2C_IO_H_
+
+#include <sys/ioccom.h>
+
+/* I2C bus address. */
+typedef uint16_t i2c_addr_t;
+
+/* High-level I2C operations. */
+#define	I2C_OPMASK_STOP		1
+#define	I2C_OPMASK_WRITE	2
+#define	I2C_OPMASK_BLKMODE	4
+
+#define	I2C_OP_STOP_P(x)	(((int)(x) & I2C_OPMASK_STOP) != 0)
+#define	I2C_OP_WRITE_P(x)	(((int)(x) & I2C_OPMASK_WRITE) != 0)
+#define	I2C_OP_READ_P(x)	(!I2C_OP_WRITE_P(x))
+#define	I2C_OP_BLKMODE_P(x)	(((int)(x) & I2C_OPMASK_BLKMODE) != 0)
+
+typedef enum {
+        I2C_OP_READ		= 0,
+        I2C_OP_READ_WITH_STOP	= I2C_OPMASK_STOP,
+        I2C_OP_WRITE		= I2C_OPMASK_WRITE,
+        I2C_OP_WRITE_WITH_STOP	= I2C_OPMASK_WRITE   | I2C_OPMASK_STOP,
+        I2C_OP_READ_BLOCK	= I2C_OPMASK_BLKMODE | I2C_OPMASK_STOP,
+        I2C_OP_WRITE_BLOCK	= I2C_OPMASK_BLKMODE | I2C_OPMASK_WRITE |
+					I2C_OPMASK_STOP,
+} i2c_op_t;
+
+/*
+ * This structure describes a single I2C control script fragment.
+ *
+ * Note that use of this scripted API allows for support of automated
+ * SMBus controllers.  The following table maps SMBus operations to
+ * script fragment configuration:
+ *
+ *	SMBus "write byte":		I2C_OP_WRITE_WITH_STOP
+ *					cmdlen = 1
+ *
+ *	SMBus "read byte":		I2C_OP_READ_WITH_STOP
+ *					cmdlen = 1
+ *
+ *	SMBus "receive byte":		I2C_OP_READ_WITH_STOP
+ *					cmdlen = 0
+ *
+ * Note that while each of these 3 SMBus operations implies a STOP
+ * (which an automated controller will likely perform automatically),
+ * non-SMBus clients may continue to function even if they issue
+ * I2C_OP_WRITE and I2C_OP_READ.
+ */
+
+/*
+ * I2C_IOCTL_EXEC:
+ *
+ *	User ioctl to execute an i2c operation.
+ */
+typedef struct i2c_ioctl_exec {
+	i2c_op_t iie_op;		/* operation to perform */
+	i2c_addr_t iie_addr;		/* address of device */
+	const void *iie_cmd;		/* pointer to command */
+	size_t iie_cmdlen;		/* length of command */
+	void *iie_buf;			/* pointer to data buffer */
+	size_t iie_buflen;		/* length of data buffer */
+} i2c_ioctl_exec_t;
+#define	I2C_EXEC_MAX_CMDLEN	32
+#define	I2C_EXEC_MAX_BUFLEN	32
+
+#define	I2C_IOCTL_EXEC		 _IOW('I', 0, i2c_ioctl_exec_t)
+
+#endif /* _DEV_I2C_I2C_IO_H_ */