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      1 /* $NetBSD: smscmonvar.h,v 1.1 2010/02/22 03:50:56 pgoyette Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2009 Takahiro Hayashi
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_I2C_SMSCMONVAR_H_
     30 #define _DEV_I2C_SMSCMONVAR_H_
     31 
     32 #define SMSCMON_ADDR		0x2c
     33 #define SMSCMON_ADDR_MASK	0x7e
     34 
     35 #define SMSCMON_REG_COMPANY	0x3e
     36 #define SMSCMON_REG_STEPPING	0x3f
     37 #define SMSCMON_REG_CONFIG	0x40
     38 
     39 #define SMSC_CID_47M192		0x55	/* LPC47M192/LPC47M997 */
     40 #define SMSC_REV_47M192		0x20
     41 
     42 #define SMSCMON_NUM_SENSORS	12
     43 
     44 
     45 struct smscmon_sc {
     46 	device_t	sc_dev;
     47 	i2c_tag_t	sc_tag;
     48 	i2c_addr_t	sc_addr;
     49 
     50 	uint8_t	(*smscmon_readreg)(struct smscmon_sc *, int);
     51 	void	(*smscmon_writereg)(struct smscmon_sc *, int, int);
     52 
     53 	struct sysmon_envsys *sc_sme;
     54 	envsys_data_t sensors[SMSCMON_NUM_SENSORS];
     55 	int		numsensors;
     56 	struct smscmon_sensor *smscmon_sensors;
     57 };
     58 
     59 struct smscmon_sensor {
     60 	const char	*desc;
     61 	enum envsys_units type;
     62 	uint8_t 	reg;
     63 	void		(*refresh)(struct smscmon_sc *, envsys_data_t *);
     64 	int		vmin;		/* value in uV for 0x00 */
     65 	int		vmax;		/* value in uV for 0xff */
     66 };
     67 
     68 #endif /* _DEV_I2C_SMSCVAR_H_ */
     69