include/asm/therm.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
0004  *  DS1620 thermometer driver (as used in the Rebel.com NetWinder)
0005  */
0006 #ifndef __ASM_THERM_H
0007 #define __ASM_THERM_H
0008
0009 /* ioctl numbers for /dev/therm */
0010 #define CMD_SET_THERMOSTATE 0x53
0011 #define CMD_GET_THERMOSTATE 0x54
0012 #define CMD_GET_STATUS      0x56
0013 #define CMD_GET_TEMPERATURE 0x57
0014 #define CMD_SET_THERMOSTATE2    0x58
0015 #define CMD_GET_THERMOSTATE2    0x59
0016 #define CMD_GET_TEMPERATURE2    0x5a
0017 #define CMD_GET_FAN     0x5b
0018 #define CMD_SET_FAN     0x5c
0019
0020 #define FAN_OFF         0
0021 #define FAN_ON          1
0022 #define FAN_ALWAYS_ON       2
0023
0024 struct therm {
0025     int hi;
0026     int lo;
0027 };
0028
0029 #endif