blob: 058bca4d5d6c0193e7e83bb1ab3714359cdd2a8c
| 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_LM63) || \ |
| 19 | defined(CONFIG_DTT_LM73) || \ |
| 20 | defined(CONFIG_DTT_LM75) || \ |
| 21 | defined(CONFIG_DTT_LM81) |
| 22 | |
| 23 | #define CONFIG_DTT /* We have a DTT */ |
| 24 | |
| 25 | #ifndef CONFIG_DTT_ADM1021 |
| 26 | #define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */ |
| 27 | #define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */ |
| 28 | #define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */ |
| 29 | |
| 30 | #ifndef CONFIG_SYS_DTT_MAX_TEMP |
| 31 | #define CONFIG_SYS_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP |
| 32 | #endif |
| 33 | |
| 34 | #ifndef CONFIG_SYS_DTT_HYSTERESIS |
| 35 | #define CONFIG_SYS_DTT_HYSTERESIS 5 /* 5 C */ |
| 36 | #endif |
| 37 | #endif /* CONFIG_DTT_ADM1021 */ |
| 38 | |
| 39 | extern void dtt_init(void); |
| 40 | extern int dtt_init_one(int); |
| 41 | extern int dtt_read(int sensor, int reg); |
| 42 | extern int dtt_write(int sensor, int reg, int val); |
| 43 | extern int dtt_get_temp(int sensor); |
| 44 | #endif |
| 45 | |
| 46 | #endif /* _DTT_H_ */ |
| 47 |