90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
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#ifndef __RFKILL_H
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#define __RFKILL_H
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/*
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* Copyright (C) 2006 Ivo van Doorn
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* Copyright (C) 2007 Dmitry Torokhov
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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#include <linux/device.h>
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/**
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* enum rfkill_type - type of rfkill switch.
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* RFKILL_TYPE_WLAN: switch is no a Wireless network devices.
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* RFKILL_TYPE_BlUETOOTH: switch is on a bluetooth device.
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* RFKILL_TYPE_IRDA: switch is on an infrared devices.
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*/
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enum rfkill_type {
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RFKILL_TYPE_WLAN = 0,
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RFKILL_TYPE_BLUETOOTH = 1,
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RFKILL_TYPE_IRDA = 2,
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RFKILL_TYPE_MAX = 3,
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};
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enum rfkill_state {
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RFKILL_STATE_OFF = 0,
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RFKILL_STATE_ON = 1,
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};
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/**
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* struct rfkill - rfkill control structure.
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* @name: Name of the switch.
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* @type: Radio type which the button controls, the value stored
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* here should be a value from enum rfkill_type.
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* @state: State of the switch (on/off).
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* @user_claim: Set when the switch is controlled exlusively by userspace.
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* @mutex: Guards switch state transitions
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* @data: Pointer to the RF button drivers private data which will be
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* passed along when toggling radio state.
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* @toggle_radio(): Mandatory handler to control state of the radio.
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* @dev: Device structure integrating the switch into device tree.
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* @node: Used to place switch into list of all switches known to the
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* the system.
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*
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* This structure represents a RF switch located on a network device.
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*/
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struct rfkill {
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char *name;
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enum rfkill_type type;
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enum rfkill_state state;
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bool user_claim;
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struct mutex mutex;
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void *data;
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int (*toggle_radio)(void *data, enum rfkill_state state);
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struct device dev;
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struct list_head node;
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};
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#define to_rfkill(d) container_of(d, struct rfkill, dev)
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struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type);
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void rfkill_free(struct rfkill *rfkill);
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int rfkill_register(struct rfkill *rfkill);
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void rfkill_unregister(struct rfkill *rfkill);
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void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state);
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#endif /* RFKILL_H */
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