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/* 
 * Copyright (C) 2006 - 2007 Ivo van Doorn 
 * Copyright (C) 2007 Dmitry Torokhov 
 * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> 
 * 
 * Permission to use, copy, modify, and/or distribute this software for any 
 * purpose with or without fee is hereby granted, provided that the above 
 * copyright notice and this permission notice appear in all copies. 
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
 */ 
#ifndef __RFKILL_H 
#define __RFKILL_H 
 
 
#include <linux/types.h> 
 
/* define userspace visible states */ 
#define RFKILL_STATE_SOFT_BLOCKED	0 
#define RFKILL_STATE_UNBLOCKED		1 
#define RFKILL_STATE_HARD_BLOCKED	2 
 
/** 
 * enum rfkill_type - type of rfkill switch. 
 * 
 * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type) 
 * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device. 
 * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device. 
 * @RFKILL_TYPE_UWB: switch is on a ultra wideband device. 
 * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device. 
 * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device. 
 * @RFKILL_TYPE_GPS: switch is on a GPS device. 
 * @RFKILL_TYPE_FM: switch is on a FM radio device. 
 * @RFKILL_TYPE_NFC: switch is on an NFC device. 
 * @NUM_RFKILL_TYPES: number of defined rfkill types 
 */ 
enum rfkill_type { 
	RFKILL_TYPE_ALL = 0, 
	RFKILL_TYPE_WLAN, 
	RFKILL_TYPE_BLUETOOTH, 
	RFKILL_TYPE_UWB, 
	RFKILL_TYPE_WIMAX, 
	RFKILL_TYPE_WWAN, 
	RFKILL_TYPE_GPS, 
	RFKILL_TYPE_FM, 
	RFKILL_TYPE_NFC, 
	NUM_RFKILL_TYPES, 
}; 
 
/** 
 * enum rfkill_operation - operation types 
 * @RFKILL_OP_ADD: a device was added 
 * @RFKILL_OP_DEL: a device was removed 
 * @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device 
 * @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all) 
 *	into a state, also updating the default state used for devices that 
 *	are hot-plugged later. 
 */ 
enum rfkill_operation { 
	RFKILL_OP_ADD = 0, 
	RFKILL_OP_DEL, 
	RFKILL_OP_CHANGE, 
	RFKILL_OP_CHANGE_ALL, 
}; 
 
/** 
 * struct rfkill_event - events for userspace on /dev/rfkill 
 * @idx: index of dev rfkill 
 * @type: type of the rfkill struct 
 * @op: operation code 
 * @hard: hard state (0/1) 
 * @soft: soft state (0/1) 
 * 
 * Structure used for userspace communication on /dev/rfkill, 
 * used for events from the kernel and control to the kernel. 
 */ 
struct rfkill_event { 
	__u32 idx; 
	__u8  type; 
	__u8  op; 
	__u8  soft, hard; 
} __attribute__((packed)); 
 
/* 
 * We are planning to be backward and forward compatible with changes 
 * to the event struct, by adding new, optional, members at the end. 
 * When reading an event (whether the kernel from userspace or vice 
 * versa) we need to accept anything that's at least as large as the 
 * version 1 event size, but might be able to accept other sizes in 
 * the future. 
 * 
 * One exception is the kernel -- we already have two event sizes in 
 * that we've made the 'hard' member optional since our only option 
 * is to ignore it anyway. 
 */ 
#define RFKILL_EVENT_SIZE_V1	8 
 
/* ioctl for turning off rfkill-input (if present) */ 
#define RFKILL_IOC_MAGIC	'R' 
#define RFKILL_IOC_NOINPUT	1 
#define RFKILL_IOCTL_NOINPUT	_IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT) 
 
/* and that's all userspace gets */ 
 
#endif /* __RFKILL_H */