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bootloader/u-boot_2015_04/include/dtt.h 1.14 KB
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  /*
   * (C) Copyright 2001
   * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  /*
   * Digital Thermometers and Thermostats.
   */
  #ifndef _DTT_H_
  #define _DTT_H_
  
  #if defined(CONFIG_DTT_ADM1021)	|| \
  	defined(CONFIG_DTT_ADT7460)	|| \
  	defined(CONFIG_DTT_DS1621)	|| \
  	defined(CONFIG_DTT_DS1775)	|| \
  	defined(CONFIG_DTT_DS620)	|| \
  	defined(CONFIG_DTT_LM63)	|| \
  	defined(CONFIG_DTT_LM73)	|| \
  	defined(CONFIG_DTT_LM75)	|| \
  	defined(CONFIG_DTT_LM81)
  
  #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 CONFIG_SYS_DTT_MAX_TEMP
  #define CONFIG_SYS_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
  #endif
  
  #ifndef CONFIG_SYS_DTT_HYSTERESIS
  #define CONFIG_SYS_DTT_HYSTERESIS	5		/* 5 C */
  #endif
  #endif /* CONFIG_DTT_ADM1021 */
  
  extern void dtt_init(void);
  extern int dtt_init_one(int);
  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
  
  #endif /* _DTT_H_ */