NetBSD/sys/dev/i2c/adt7463reg.h

184 lines
5.5 KiB
C

/* $NetBSD: adt7463reg.h,v 1.8 2008/04/04 09:55:58 xtraeme Exp $ */
/*
* Copyright (c) 2005 Anil Gopinath (anil_public@yahoo.com)
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Analog devices AD7463 remote thermal controller and voltage monitor
* Data sheet at:
* http://www.analog.com/UploadedFiles/Data_Sheets/272624927ADT7463_c.pdf
*/
/* Fan speed control added by Hanns Hartman */
#ifndef INCLUDE_ADT7463REG_H
#define INCLUDE_ADT7463REG_H
#define ADT7463_VOLT_SENSORS_START 0
#define ADT7463_VOLT_SENSORS_COUNT 5
#define ADT7463_TEMP_SENSORS_START \
(ADT7463_VOLT_SENSORS_START + ADT7463_VOLT_SENSORS_COUNT)
#define ADT7463_TEMP_SENSORS_COUNT 3
#define ADT7463_FAN_SENSORS_START \
(ADT7463_TEMP_SENSORS_START + ADT7463_TEMP_SENSORS_COUNT)
#define ADT7463_FAN_SENSORS_COUNT 4
#define ADT7463_MAX_ENVSYS_RANGE 12 /* sum of the above */
/* I2C/SMBUS address */
#define ADT7463_ADDR1 0x2C
#define ADT7463_ADDR2 0x2D
#define ADT7463_ADDR3 0x2E
#define ADT7463_CONFIG_REG1 0x40
#define ADT7463_CONFIG_REG3 0x78
#define ADT7463_START 0x01
#define ADT7463_COMPANYID_REG 0x3E
#define ADT7463_COMPANYID 0x41
#define ADT7463_DEVICEID_REG 0x3D
#define ADT7463_DEVICEID 0x27
#define ADT7463_VOLT_REG_START 0x20
#define ADT7463_TEMP_REG_START 0x25
#define ADT7463_FAN_REG_START 0x28
#define ADT7463_CONFIG_REG3_FAST 0x08
/* currently we use only 8 bits and hence the multiplier */
#define ADT7463_12V_CONST 625
#define ADT7463_5V_CONST 260
#define ADT7463_3_3V_CONST 171
#define ADT7463_2_5V_CONST 130
#define ADT7463_VCC_CONST 117
#define ADT7463_CEL_TO_KELVIN 27315
#define ADT7463_RPM_CONST (90000 * 60)
struct adt7463c_softc {
i2c_tag_t sc_tag;
i2c_addr_t sc_address;
struct sysmon_envsys *sc_sme;
envsys_data_t sc_sensor[ADT7463_MAX_ENVSYS_RANGE];
};
/*
* Fan speed control define(s)
* All below references to page numbers refer to the Automatic Fan
* Speed Control App Note
*/
/*
* step two setting temperature zone 2
* page 5 gives specific information about how to program the temperature
* channel. Also note that the low order byte of 2 should not be changed.
*/
#define FANZONEREG1 0x5C
#define FANZONEREG2 0x5D
#define FANZONEREG3 0x5E
#define TEMPCHANNEL 0x42
/* Minimum temperature remote zone 2 (page 7) */
#define TMINREG 0x69
#define TMINTEMP 0x2C
/*
* keep the fans always on
* please see page 7 for which bit to set to enable a
* pwm to be left always on.
*/
#define FANONREG 0x62
#define ALWAYSON 0xE0
/*
* minimum fan speed
* computing the number for FANMINSPEED is done by converting
* percent fan speed to a pwm number using the equation on page 8
*/
#define FANMINREG1 0x64
#define FANMINREG2 0x65
#define FANMINREG3 0x66
#define FANMINSPEED 0x45
/*
* give a Trange this is the slope at which the fan speed will
* increase based on temperature
* please make sure not to change the low order byte of 4 if adjusting
* this value. In order to calculate Trange use the equation on page 9
* note that this is the best value given the current bios situation
*/
#define TRANGEREG 0x61
#define TRANGEVAL 0x94
/*
* This is the hyst value. once the operating temperature-hyst
* is broken the fan speed will start to increase
* consult page 12 for what to put in what register
*/
#define THYSTREG 0x6E
#define THYST 0x20
/*
* this is the value when reach will cause the fans to drive at full speed
* see page 12
*/
#define TTERMREG 0x6C
#define TTERMVAL 0x39
/*
* This is the desired operating temperature for the cpu
* see page 15-16 for more detail
*/
#define OPPTREG 0x35
#define OPPTTEMP 0x34
/*
* Once the temperature falls below this point the
* fans speed will start to decrease
* see page 17 for more detail
*/
#define TLOWREG 0x52
#define TLOW 0x2D
/*
* Once the temperature rises above this point the fan speed
* will be increased at a more rapid rate
* see page 17 for more detail
*/
#define THIGHREG 0x53
#define THIGH 0x36
/*
* Enable dynamic control on remote2 given a polling interval
* please see page 18-22 in setting values for register 0x36
*/
#define ENABLEDYNAMICREG 0x36
#define REMOTE2 0x80
/* done with fan speed control additions */
#endif