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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * i8k.h -- Linux driver for accessing the SMM BIOS on Dell laptops
 *
 * Copyright (C) 2001  Massimo Dal Zotto <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef _LINUX_I8K_H
#define _LINUX_I8K_H

#define I8K_PROC		"/proc/i8k"
#define I8K_PROC_FMT		"1.0"

#define I8K_BIOS_VERSION	_IOR ('i', 0x80, int)	/* broken: meant 4 bytes */
#define I8K_MACHINE_ID		_IOR ('i', 0x81, int)	/* broken: meant 16 bytes */
#define I8K_POWER_STATUS	_IOR ('i', 0x82, size_t)
#define I8K_FN_STATUS		_IOR ('i', 0x83, size_t)
#define I8K_GET_TEMP		_IOR ('i', 0x84, size_t)
#define I8K_GET_SPEED		_IOWR('i', 0x85, size_t)
#define I8K_GET_FAN		_IOWR('i', 0x86, size_t)
#define I8K_SET_FAN		_IOWR('i', 0x87, size_t)

#define I8K_FAN_LEFT		1
#define I8K_FAN_RIGHT		0
#define I8K_FAN_OFF		0
#define I8K_FAN_LOW		1
#define I8K_FAN_HIGH		2
#define I8K_FAN_TURBO		3
#define I8K_FAN_MAX		I8K_FAN_TURBO

#define I8K_VOL_UP		1
#define I8K_VOL_DOWN		2
#define I8K_VOL_MUTE		4

#define I8K_AC			1
#define I8K_BATTERY		0

#endif