pcf8591_impl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _PCF8591_IMPL_H
#define _PCF8591_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#define PCF8591_ANALOG_OUTPUT_SHIFT 6
#define PCF8591_ANALOG_INPUT_SHIFT 4
#define PCF8591_AUTOINCR_SHIFT 2
#include <sys/i2c/clients/i2c_client.h>
struct pcf8591_unit {
kmutex_t pcf8591_mutex;
uint8_t pcf8591_flags;
int pcf8591_oflag;
i2c_client_hdl_t pcf8591_hdl;
char pcf8591_name[24];
};
#ifdef DEBUG
static int pcf8591debug = 0;
#define D1CMN_ERR(ARGS) if (pcf8591debug & 0x1) cmn_err ARGS;
#define D2CMN_ERR(ARGS) if (pcf8591debug & 0x2) cmn_err ARGS;
#else
#define D1CMN_ERR(ARGS)
#define D2CMN_ERR(ARGS)
#endif
#ifdef __cplusplus
}
#endif
#endif /* _PCF8591_IMPL_H */