/* $NetBSD: smscmonvar.h,v 1.1 2010/02/22 03:50:56 pgoyette Exp $ */

/*
* Copyright (c) 2009 Takahiro Hayashi
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#ifndef _DEV_I2C_SMSCMONVAR_H_
#define _DEV_I2C_SMSCMONVAR_H_

#define SMSCMON_ADDR            0x2c
#define SMSCMON_ADDR_MASK       0x7e

#define SMSCMON_REG_COMPANY     0x3e
#define SMSCMON_REG_STEPPING    0x3f
#define SMSCMON_REG_CONFIG      0x40

#define SMSC_CID_47M192         0x55    /* LPC47M192/LPC47M997 */
#define SMSC_REV_47M192         0x20

#define SMSCMON_NUM_SENSORS     12


struct smscmon_sc {
       device_t        sc_dev;
       i2c_tag_t       sc_tag;
       i2c_addr_t      sc_addr;

       uint8_t (*smscmon_readreg)(struct smscmon_sc *, int);
       void    (*smscmon_writereg)(struct smscmon_sc *, int, int);

       struct sysmon_envsys *sc_sme;
       envsys_data_t sensors[SMSCMON_NUM_SENSORS];
       int             numsensors;
       struct smscmon_sensor *smscmon_sensors;
};

struct smscmon_sensor {
       const char      *desc;
       enum envsys_units type;
       uint8_t         reg;
       void            (*refresh)(struct smscmon_sc *, envsys_data_t *);
       int             vmin;           /* value in uV for 0x00 */
       int             vmax;           /* value in uV for 0xff */
};

#endif /* _DEV_I2C_SMSCVAR_H_ */