5 * Copyright (C) 2006 - 2007 Ivo van Doorn
6 * Copyright (C) 2007 Dmitry Torokhov
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the
20 * Free Software Foundation, Inc.,
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #include <linux/types.h>
25 #include <linux/kernel.h>
26 #include <linux/list.h>
27 #include <linux/mutex.h>
28 #include <linux/device.h>
29 #include <linux/leds.h>
32 * enum rfkill_type - type of rfkill switch.
33 * RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device.
34 * RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device.
35 * RFKILL_TYPE_UWB: switch is on a ultra wideband device.
36 * RFKILL_TYPE_WIMAX: switch is on a WiMAX device.
40 RFKILL_TYPE_BLUETOOTH,
52 * struct rfkill - rfkill control structure.
53 * @name: Name of the switch.
54 * @type: Radio type which the button controls, the value stored
55 * here should be a value from enum rfkill_type.
56 * @state: State of the switch (on/off).
57 * @user_claim_unsupported: Whether the hardware supports exclusive
58 * RF-kill control by userspace. Set this before registering.
59 * @user_claim: Set when the switch is controlled exlusively by userspace.
60 * @mutex: Guards switch state transitions
61 * @data: Pointer to the RF button drivers private data which will be
62 * passed along when toggling radio state.
63 * @toggle_radio(): Mandatory handler to control state of the radio.
64 * @led_trigger: A LED trigger for this button's LED.
65 * @dev: Device structure integrating the switch into device tree.
66 * @node: Used to place switch into list of all switches known to the
69 * This structure represents a RF switch located on a network device.
73 enum rfkill_type type;
75 enum rfkill_state state;
76 bool user_claim_unsupported;
82 int (*toggle_radio)(void *data, enum rfkill_state state);
84 #ifdef CONFIG_RFKILL_LEDS
85 struct led_trigger led_trigger;
89 struct list_head node;
91 #define to_rfkill(d) container_of(d, struct rfkill, dev)
93 struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type);
94 void rfkill_free(struct rfkill *rfkill);
95 int rfkill_register(struct rfkill *rfkill);
96 void rfkill_unregister(struct rfkill *rfkill);
99 * rfkill_get_led_name - Get the LED trigger name for the button's LED.
100 * This function might return a NULL pointer if registering of the
101 * LED trigger failed.
102 * Use this as "default_trigger" for the LED.
104 static inline char *rfkill_get_led_name(struct rfkill *rfkill)
106 #ifdef CONFIG_RFKILL_LEDS
107 return (char *)(rfkill->led_trigger.name);
113 #endif /* RFKILL_H */