/*
 * 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 1999-2002 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _I2C_CLIENT_H
#define _I2C_CLIENT_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Common IOCTL definitions for client drivers.
 */

#define I2C_BASE_IOCTL  ('M' << 8)

#define I2C_GET_PORT            (I2C_BASE_IOCTL | 0)
#define I2C_SET_PORT            (I2C_BASE_IOCTL | 1)
#define I2C_GET_BIT             (I2C_BASE_IOCTL | 2)
#define I2C_SET_BIT             (I2C_BASE_IOCTL | 3)
#define I2C_GET_REG             (I2C_BASE_IOCTL | 4)
#define I2C_SET_REG             (I2C_BASE_IOCTL | 5)
#define I2C_GET_TEMPERATURE     (I2C_BASE_IOCTL | 7)
#define I2C_GET_FAN_SPEED       (I2C_BASE_IOCTL | 8)
#define I2C_SET_FAN_SPEED       (I2C_BASE_IOCTL | 9)
#define I2C_SET_OUTPUT          (I2C_BASE_IOCTL | 10)
#define I2C_GET_OUTPUT          (I2C_BASE_IOCTL | 11)
#define I2C_GET_INPUT           (I2C_BASE_IOCTL | 12)
#define I2C_SET_MODE            (I2C_BASE_IOCTL | 13)
#define I2C_GET_MODE            (I2C_BASE_IOCTL | 14)

/*
 * A private IOCTL definition to be used by clients. The first 128 ioctls
 * derived by OR'ing with I2C_BASE_IOCTL are common. The next 128
 * ioctls derived by OR'ing with I2C_PVT_BASE_IOCTL are client private.
 */

#define I2C_PVT_BASE_IOCTL      (I2C_BASE_IOCTL + 128)

/*
 * ARGS for I2C_*_MODE
 */
#define I2C_NORMAL      0
#define I2C_DEBUG       1

/*
 * ARGS for i2c_bit_t direction
 */

#define DIR_NO_CHANGE   0
#define DIR_OUTPUT      1
#define DIR_INPUT       2


#define INST_TO_MINOR(x) (x << 4)
#define MINOR_TO_INST(x) ((x & 0xFFFFFFF0) >> 4)
#define PORT_TO_MINOR(x)  (x)
#define MINOR_TO_PORT(x)  (0x0F & x)

#define I2C_PORT(x)             (0x00 + x)

typedef struct i2c_port {
        uint8_t         value;
        uint8_t         direction;
        uint8_t         dir_mask;
} i2c_port_t;

typedef struct i2c_bit {
        uchar_t         bit_num;
        boolean_t       bit_value;
        uint8_t         direction;
} i2c_bit_t;

typedef struct i2c_reg {
        uint8_t         reg_num;
        int32_t         reg_value;
} i2c_reg_t;

#if defined(_KERNEL)

#include <sys/i2c/misc/i2c_svc.h>

#endif /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif /* _I2C_CLIENT_H */