185 lines
5.5 KiB
C
185 lines
5.5 KiB
C
/* $NetBSD: adt7463reg.h,v 1.7 2007/11/16 08:00:14 xtraeme Exp $ */
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/*
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* Copyright (c) 2005 Anil Gopinath (anil_public@yahoo.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Analog devices AD7463 remote thermal controller and voltage monitor
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* Data sheet at:
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* http://www.analog.com/UploadedFiles/Data_Sheets/272624927ADT7463_c.pdf
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*/
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/* Fan speed control added by Hanns Hartman */
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#ifndef INCLUDE_ADT7463REG_H
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#define INCLUDE_ADT7463REG_H
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#define ADT7463_VOLT_SENSORS_START 0
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#define ADT7463_VOLT_SENSORS_COUNT 5
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#define ADT7463_TEMP_SENSORS_START \
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(ADT7463_VOLT_SENSORS_START + ADT7463_VOLT_SENSORS_COUNT)
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#define ADT7463_TEMP_SENSORS_COUNT 3
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#define ADT7463_FAN_SENSORS_START \
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(ADT7463_TEMP_SENSORS_START + ADT7463_TEMP_SENSORS_COUNT)
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#define ADT7463_FAN_SENSORS_COUNT 4
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#define ADT7463_MAX_ENVSYS_RANGE 12 /* sum of the above */
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/* I2C/SMBUS address */
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#define ADT7463_ADDR1 0x2C
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#define ADT7463_ADDR2 0x2D
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#define ADT7463_ADDR3 0x2E
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#define ADT7463_CONFIG_REG1 0x40
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#define ADT7463_CONFIG_REG3 0x78
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#define ADT7463_START 0x01
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#define ADT7463_COMPANYID_REG 0x3E
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#define ADT7463_COMPANYID 0x41
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#define ADT7463_DEVICEID_REG 0x3D
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#define ADT7463_DEVICEID 0x27
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#define ADT7463_VOLT_REG_START 0x20
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#define ADT7463_TEMP_REG_START 0x25
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#define ADT7463_FAN_REG_START 0x28
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#define ADT7463_CONFIG_REG3_FAST 0x08
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/* currently we use only 8 bits and hence the multiplier */
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#define ADT7463_12V_CONST 625
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#define ADT7463_5V_CONST 260
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#define ADT7463_3_3V_CONST 171
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#define ADT7463_2_5V_CONST 130
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#define ADT7463_VCC_CONST 117
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#define ADT7463_CEL_TO_KELVIN 27315
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#define ADT7463_RPM_CONST (90000 * 60)
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struct adt7463c_softc {
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struct device sc_dev; /* generic device structures */
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i2c_tag_t sc_tag;
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i2c_addr_t sc_address;
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envsys_data_t sc_sensor[ADT7463_MAX_ENVSYS_RANGE];
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struct sysmon_envsys *sc_sme;
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};
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/*
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* Fan speed control define(s)
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* All below references to page numbers refer to the Automatic Fan
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* Speed Control App Note
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*/
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/*
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* step two setting temperature zone 2
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* page 5 gives specific information about how to program the temperature
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* channel. Also note that the low order byte of 2 should not be changed.
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*/
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#define FANZONEREG1 0x5C
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#define FANZONEREG2 0x5D
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#define FANZONEREG3 0x5E
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#define TEMPCHANNEL 0x42
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/* Minimum temperature remote zone 2 (page 7) */
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#define TMINREG 0x69
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#define TMINTEMP 0x2C
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/*
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* keep the fans always on
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* please see page 7 for which bit to set to enable a
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* pwm to be left always on.
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*/
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#define FANONREG 0x62
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#define ALWAYSON 0xE0
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/*
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* minimum fan speed
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* computing the number for FANMINSPEED is done by converting
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* percent fan speed to a pwm number using the equation on page 8
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*/
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#define FANMINREG1 0x64
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#define FANMINREG2 0x65
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#define FANMINREG3 0x66
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#define FANMINSPEED 0x45
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/*
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* give a Trange this is the slope at which the fan speed will
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* increase based on temperature
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* please make sure not to change the low order byte of 4 if adjusting
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* this value. In order to calculate Trange use the equation on page 9
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* note that this is the best value given the current bios situation
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*/
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#define TRANGEREG 0x61
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#define TRANGEVAL 0x94
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/*
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* This is the hyst value. once the operating temperature-hyst
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* is broken the fan speed will start to increase
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* consult page 12 for what to put in what register
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*/
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#define THYSTREG 0x6E
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#define THYST 0x20
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/*
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* this is the value when reach will cause the fans to drive at full speed
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* see page 12
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*/
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#define TTERMREG 0x6C
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#define TTERMVAL 0x39
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/*
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* This is the desired operating temperature for the cpu
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* see page 15-16 for more detail
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*/
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#define OPPTREG 0x35
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#define OPPTTEMP 0x34
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/*
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* Once the temperature falls below this point the
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* fans speed will start to decrease
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* see page 17 for more detail
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*/
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#define TLOWREG 0x52
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#define TLOW 0x2D
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/*
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* Once the temperature rises above this point the fan speed
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* will be increased at a more rapid rate
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* see page 17 for more detail
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*/
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#define THIGHREG 0x53
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#define THIGH 0x36
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/*
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* Enable dynamic control on remote2 given a polling interval
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* please see page 18-22 in setting values for register 0x36
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*/
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#define ENABLEDYNAMICREG 0x36
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#define REMOTE2 0x80
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/* done with fan speed control additions */
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#endif
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