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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Russell King4baa9922008-08-02 10:55:55 +01002 * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 * DS1620 thermometer driver (as used in the Rebel.com NetWinder)
4 */
5#ifndef __ASM_THERM_H
6#define __ASM_THERM_H
7
8/* ioctl numbers for /dev/therm */
9#define CMD_SET_THERMOSTATE 0x53
10#define CMD_GET_THERMOSTATE 0x54
11#define CMD_GET_STATUS 0x56
12#define CMD_GET_TEMPERATURE 0x57
13#define CMD_SET_THERMOSTATE2 0x58
14#define CMD_GET_THERMOSTATE2 0x59
15#define CMD_GET_TEMPERATURE2 0x5a
16#define CMD_GET_FAN 0x5b
17#define CMD_SET_FAN 0x5c
18
19#define FAN_OFF 0
20#define FAN_ON 1
21#define FAN_ALWAYS_ON 2
22
23struct therm {
24 int hi;
25 int lo;
26};
27
28#endif