3 * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * Digital Thermometers and Thermostats.
30 #if defined(CONFIG_DTT_ADM1021) || \
31 defined(CONFIG_DTT_ADT7460) || \
32 defined(CONFIG_DTT_DS1621) || \
33 defined(CONFIG_DTT_DS1775) || \
34 defined(CONFIG_DTT_LM63) || \
35 defined(CONFIG_DTT_LM73) || \
36 defined(CONFIG_DTT_LM75) || \
37 defined(CONFIG_DTT_LM81)
39 #define CONFIG_DTT /* We have a DTT */
41 #ifndef CONFIG_DTT_ADM1021
42 #define DTT_COMMERCIAL_MAX_TEMP 70 /* 0 - +70 C */
43 #define DTT_INDUSTRIAL_MAX_TEMP 85 /* -40 - +85 C */
44 #define DTT_AUTOMOTIVE_MAX_TEMP 105 /* -40 - +105 C */
46 #ifndef CONFIG_SYS_DTT_MAX_TEMP
47 #define CONFIG_SYS_DTT_MAX_TEMP DTT_COMMERCIAL_MAX_TEMP
50 #ifndef CONFIG_SYS_DTT_HYSTERESIS
51 #define CONFIG_SYS_DTT_HYSTERESIS 5 /* 5 C */
53 #endif /* CONFIG_DTT_ADM1021 */
55 extern int dtt_init (void);
56 extern int dtt_read(int sensor, int reg);
57 extern int dtt_write(int sensor, int reg, int val);
58 extern int dtt_get_temp(int sensor);