/* $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_ */