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#ifndef __RFKILL_H

#define __RFKILL_H

/*

 * Copyright (C) 2006 - 2007 Ivo van Doorn

 * Copyright (C) 2007 Dmitry Torokhov

 *

 * 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 of the License, 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.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the

 * Free Software Foundation, Inc.,

 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/list.h>

#include <linux/mutex.h>

#include <linux/device.h>

#include <linux/leds.h>

/**

 * enum rfkill_type - type of rfkill switch.

 * 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.

 */

enum rfkill_type {

        RFKILL_TYPE_WLAN ,

        RFKILL_TYPE_BLUETOOTH,

        RFKILL_TYPE_UWB,

        RFKILL_TYPE_MAX,

};

enum rfkill_state {

        RFKILL_STATE_OFF        = 0,

        RFKILL_STATE_ON         = 1,

};

/**

 * struct rfkill - rfkill control structure.

 * @name: Name of the switch.

 * @type: Radio type which the button controls, the value stored

 *      here should be a value from enum rfkill_type.

 * @state: State of the switch (on/off).

 * @user_claim_unsupported: Whether the hardware supports exclusive

 *      RF-kill control by userspace. Set this before registering.

 * @user_claim: Set when the switch is controlled exlusively by userspace.

 * @mutex: Guards switch state transitions

 * @data: Pointer to the RF button drivers private data which will be

 *      passed along when toggling radio state.

 * @toggle_radio(): Mandatory handler to control state of the radio.

 * @led_trigger: A LED trigger for this button's LED.

 * @dev: Device structure integrating the switch into device tree.

 * @node: Used to place switch into list of all switches known to the

 *      the system.

 *

 * This structure represents a RF switch located on a network device.

 */

struct rfkill {

        const char *name;

        enum rfkill_type type;

        enum rfkill_state state;

        bool user_claim_unsupported;

        bool user_claim;

        struct mutex mutex;

        void *data;

        int (*toggle_radio)(void *data, enum rfkill_state state);

#ifdef CONFIG_RFKILL_LEDS

        struct led_trigger led_trigger;

#endif

        struct device dev;

        struct list_head node;

};

#define to_rfkill(d)    container_of(d, struct rfkill, dev)

struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type);

void rfkill_free(struct rfkill *rfkill);

int rfkill_register(struct rfkill *rfkill);

void rfkill_unregister(struct rfkill *rfkill);

/**

 * rfkill_get_led_name - Get the LED trigger name for the button's LED.

 * This function might return a NULL pointer if registering of the

 * LED trigger failed.

 * Use this as "default_trigger" for the LED.

 */

static inline char *rfkill_get_led_name(struct rfkill *rfkill)

{

#ifdef CONFIG_RFKILL_LEDS

        return (char *)(rfkill->led_trigger.name);

#else

        return NULL;

#endif

}

#endif /* RFKILL_H */