mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 03:08:31 +00:00
9e2c347151
This driver is based on the driver for the LM75. Signed-off-by: Larry Johnson <lrj@acm.org>
132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/*
|
|
* (C) Copyright 2001
|
|
* Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* Digital Thermometers and Thermostats.
|
|
*/
|
|
#ifndef _DTT_H_
|
|
#define _DTT_H_
|
|
|
|
#if defined(CONFIG_DTT_LM75) || \
|
|
defined(CONFIG_DTT_DS1621) || \
|
|
defined(CONFIG_DTT_DS1775) || \
|
|
defined(CONFIG_DTT_LM81) || \
|
|
defined(CONFIG_DTT_ADM1021) || \
|
|
defined(CONFIG_DTT_LM73)
|
|
|
|
#define CONFIG_DTT /* We have a DTT */
|
|
|
|
#ifndef CONFIG_DTT_ADM1021
|
|
#define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */
|
|
#define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */
|
|
#define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */
|
|
#ifndef CFG_DTT_MAX_TEMP
|
|
#define CFG_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
|
|
#endif
|
|
#ifndef CFG_DTT_HYSTERESIS
|
|
#define CFG_DTT_HYSTERESIS 5 /* 5 C */
|
|
#endif
|
|
#endif /* CONFIG_DTT_ADM1021 */
|
|
|
|
extern int dtt_init (void);
|
|
extern int dtt_read(int sensor, int reg);
|
|
extern int dtt_write(int sensor, int reg, int val);
|
|
extern int dtt_get_temp(int sensor);
|
|
#endif
|
|
|
|
#if defined(CONFIG_DTT_LM75)
|
|
#define DTT_READ_TEMP 0x0
|
|
#define DTT_CONFIG 0x1
|
|
#define DTT_TEMP_HYST 0x2
|
|
#define DTT_TEMP_SET 0x3
|
|
#endif
|
|
|
|
#if defined(CONFIG_DTT_LM81)
|
|
#define DTT_READ_TEMP 0x27
|
|
#define DTT_CONFIG_TEMP 0x4b
|
|
#define DTT_TEMP_MAX 0x39
|
|
#define DTT_TEMP_HYST 0x3a
|
|
#define DTT_CONFIG 0x40
|
|
#endif
|
|
|
|
#if defined(CONFIG_DTT_DS1621)
|
|
#define DTT_READ_TEMP 0xAA
|
|
#define DTT_READ_COUNTER 0xA8
|
|
#define DTT_READ_SLOPE 0xA9
|
|
#define DTT_WRITE_START_CONV 0xEE
|
|
#define DTT_WRITE_STOP_CONV 0x22
|
|
#define DTT_TEMP_HIGH 0xA1
|
|
#define DTT_TEMP_LOW 0xA2
|
|
#define DTT_CONFIG 0xAC
|
|
#endif
|
|
|
|
#if defined(CONFIG_DTT_DS1775)
|
|
#define DTT_READ_TEMP 0x0
|
|
#define DTT_CONFIG 0x1
|
|
#define DTT_TEMP_HYST 0x2
|
|
#define DTT_TEMP_OS 0x3
|
|
#endif
|
|
|
|
#if defined(CONFIG_DTT_ADM1021)
|
|
#define DTT_READ_LOC_VALUE 0x00
|
|
#define DTT_READ_REM_VALUE 0x01
|
|
#define DTT_READ_STATUS 0x02
|
|
#define DTT_READ_CONFIG 0x03
|
|
#define DTT_READ_CONVRATE 0x04
|
|
#define DTT_READ_LOC_HIGHLIM 0x05
|
|
#define DTT_READ_LOC_LOWLIM 0x06
|
|
#define DTT_READ_REM_HIGHLIM 0x07
|
|
#define DTT_READ_REM_LOWLIM 0x08
|
|
#define DTT_READ_DEVID 0xfe
|
|
|
|
#define DTT_WRITE_CONFIG 0x09
|
|
#define DTT_WRITE_CONVRATE 0x0a
|
|
#define DTT_WRITE_LOC_HIGHLIM 0x0b
|
|
#define DTT_WRITE_LOC_LOWLIM 0x0c
|
|
#define DTT_WRITE_REM_HIGHLIM 0x0d
|
|
#define DTT_WRITE_REM_LOWLIM 0x0e
|
|
#define DTT_WRITE_ONESHOT 0x0f
|
|
|
|
#define DTT_STATUS_BUSY 0x80 /* 1=ADC Converting */
|
|
#define DTT_STATUS_LHIGH 0x40 /* 1=Local High Temp Limit Tripped */
|
|
#define DTT_STATUS_LLOW 0x20 /* 1=Local Low Temp Limit Tripped */
|
|
#define DTT_STATUS_RHIGH 0x10 /* 1=Remote High Temp Limit Tripped */
|
|
#define DTT_STATUS_RLOW 0x08 /* 1=Remote Low Temp Limit Tripped */
|
|
#define DTT_STATUS_OPEN 0x04 /* 1=Remote Sensor Open-Circuit */
|
|
|
|
#define DTT_CONFIG_ALERT_MASKED 0x80 /* 0=ALERT Enabled, 1=ALERT Masked */
|
|
#define DTT_CONFIG_STANDBY 0x40 /* 0=Run, 1=Standby */
|
|
|
|
#define DTT_ADM1021_DEVID 0x41
|
|
#endif
|
|
|
|
#if defined(CONFIG_DTT_LM73)
|
|
#define DTT_READ_TEMP 0x0
|
|
#define DTT_CONFIG 0x1
|
|
#define DTT_TEMP_HIGH 0x2
|
|
#define DTT_TEMP_LOW 0x3
|
|
#define DTT_CONTROL 0x4
|
|
#define DTT_ID 0x7
|
|
#endif
|
|
|
|
#endif /* _DTT_H_ */
|