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
24struct therm {
25	int hi;
26	int lo;
27};
28
29#endif
30