1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
4 * DS1620 thermometer driver (as used in the Rebel.com NetWinder)
5 */
6 #ifndef __ASM_THERM_H
7 #define __ASM_THERM_H
8
9 /* ioctl numbers for /dev/therm */
10 #define CMD_SET_THERMOSTATE 0x53
11 #define CMD_GET_THERMOSTATE 0x54
12 #define CMD_GET_STATUS 0x56
13 #define CMD_GET_TEMPERATURE 0x57
14 #define CMD_SET_THERMOSTATE2 0x58
15 #define CMD_GET_THERMOSTATE2 0x59
16 #define CMD_GET_TEMPERATURE2 0x5a
17 #define CMD_GET_FAN 0x5b
18 #define CMD_SET_FAN 0x5c
19
20 #define FAN_OFF 0
21 #define FAN_ON 1
22 #define FAN_ALWAYS_ON 2
23
24 struct therm {
25 int hi;
26 int lo;
27 };
28
29 #endif