xref: /openbmc/linux/arch/arm/include/asm/therm.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * arch/arm/include/asm/therm.h: Definitions for Dallas Semiconductor
 *  DS1620 thermometer driver (as used in the Rebel.com NetWinder)
 */
#ifndef __ASM_THERM_H
#define __ASM_THERM_H

/* ioctl numbers for /dev/therm */
#define CMD_SET_THERMOSTATE	0x53
#define CMD_GET_THERMOSTATE	0x54
#define CMD_GET_STATUS		0x56
#define CMD_GET_TEMPERATURE	0x57
#define CMD_SET_THERMOSTATE2	0x58
#define CMD_GET_THERMOSTATE2	0x59
#define CMD_GET_TEMPERATURE2	0x5a
#define CMD_GET_FAN		0x5b
#define CMD_SET_FAN		0x5c

#define FAN_OFF			0
#define FAN_ON			1
#define FAN_ALWAYS_ON		2

struct therm {
	int hi;
	int lo;
};

#endif