LXR uboot/include/dtt.h

   1/*
   2 * (C) Copyright 2001
   3 * Erik Theisen,  Wave 7 Optics, etheisen@mindspring.com.
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8/*
   9 * Digital Thermometers and Thermostats.
  10 */
  11#ifndef _DTT_H_
  12#define _DTT_H_
  13
  14#if defined(CONFIG_DTT_ADM1021) || \
  15        defined(CONFIG_DTT_ADT7460)     || \
  16        defined(CONFIG_DTT_DS1621)      || \
  17        defined(CONFIG_DTT_DS1775)      || \
  18        defined(CONFIG_DTT_DS620)       || \
  19        defined(CONFIG_DTT_LM63)        || \
  20        defined(CONFIG_DTT_LM73)        || \
  21        defined(CONFIG_DTT_LM75)        || \
  22        defined(CONFIG_DTT_LM81)
  23
  24#define CONFIG_DTT                              /* We have a DTT */
  25
  26#ifndef CONFIG_DTT_ADM1021
  27#define DTT_COMMERCIAL_MAX_TEMP 70              /* 0 - +70 C */
  28#define DTT_INDUSTRIAL_MAX_TEMP 85              /* -40 - +85 C */
  29#define DTT_AUTOMOTIVE_MAX_TEMP 105             /* -40 - +105 C */
  30
  31#ifndef CONFIG_SYS_DTT_MAX_TEMP
  32#define CONFIG_SYS_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
  33#endif
  34
  35#ifndef CONFIG_SYS_DTT_HYSTERESIS
  36#define CONFIG_SYS_DTT_HYSTERESIS       5               /* 5 C */
  37#endif
  38#endif /* CONFIG_DTT_ADM1021 */
  39
  40extern void dtt_init(void);
  41extern int dtt_init_one(int);
  42extern int dtt_read(int sensor, int reg);
  43extern int dtt_write(int sensor, int reg, int val);
  44extern int dtt_get_temp(int sensor);
  45#endif
  46
  47#endif /* _DTT_H_ */
  48