/*
* Copyright (C) 2006 - 2007 Ivo van Doorn
* Copyright (C) 2007 Dmitry Torokhov
* Copyright 2009 Johannes Berg <[email protected]>
*
* 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 _UAPI__RFKILL_H
#define _UAPI__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)
*/
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 /* _UAPI__RFKILL_H */