2 Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
3 <http://rt2x00.serialmonkey.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the
17 Free Software Foundation, Inc.,
18 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 Abstract: rt2x00 rfkill routines.
27 * Set enviroment defines for rt2x00.h
29 #define DRV_NAME "rt2x00lib"
31 #include <linux/input-polldev.h>
32 #include <linux/kernel.h>
33 #include <linux/module.h>
34 #include <linux/rfkill.h>
37 #include "rt2x00lib.h"
39 static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state)
41 struct rt2x00_dev *rt2x00dev = data;
44 if (unlikely(!rt2x00dev))
48 * Only continue if we have an active interface,
49 * either monitor or non-monitor should be present.
51 if (!is_interface_present(&rt2x00dev->interface) &&
52 !is_monitor_present(&rt2x00dev->interface))
55 if (state == RFKILL_STATE_ON) {
56 INFO(rt2x00dev, "Hardware button pressed, enabling radio.\n");
57 __set_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
58 retval = rt2x00lib_enable_radio(rt2x00dev);
59 } else if (state == RFKILL_STATE_OFF) {
60 INFO(rt2x00dev, "Hardware button pressed, disabling radio.\n");
61 __clear_bit(DEVICE_ENABLED_RADIO_HW, &rt2x00dev->flags);
62 rt2x00lib_disable_radio(rt2x00dev);
68 static void rt2x00rfkill_poll(struct input_polled_dev *poll_dev)
70 struct rt2x00_dev *rt2x00dev = poll_dev->private;
71 int state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
73 if (rt2x00dev->rfkill->state != state)
74 input_report_key(poll_dev->input, KEY_WLAN, 1);
77 int rt2x00rfkill_register(struct rt2x00_dev *rt2x00dev)
81 if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
84 retval = rfkill_register(rt2x00dev->rfkill);
86 ERROR(rt2x00dev, "Failed to register rfkill handler.\n");
90 retval = input_register_polled_device(rt2x00dev->poll_dev);
92 ERROR(rt2x00dev, "Failed to register polled device.\n");
93 rfkill_unregister(rt2x00dev->rfkill);
100 void rt2x00rfkill_unregister(struct rt2x00_dev *rt2x00dev)
102 if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
105 input_unregister_polled_device(rt2x00dev->poll_dev);
106 rfkill_unregister(rt2x00dev->rfkill);
109 int rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev)
111 struct device *device = wiphy_dev(rt2x00dev->hw->wiphy);
113 if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
116 rt2x00dev->rfkill = rfkill_allocate(device, RFKILL_TYPE_WLAN);
117 if (!rt2x00dev->rfkill) {
118 ERROR(rt2x00dev, "Failed to allocate rfkill handler.\n");
122 rt2x00dev->rfkill->name = rt2x00dev->ops->name;
123 rt2x00dev->rfkill->data = rt2x00dev;
124 rt2x00dev->rfkill->state = rt2x00dev->ops->lib->rfkill_poll(rt2x00dev);
125 rt2x00dev->rfkill->toggle_radio = rt2x00rfkill_toggle_radio;
127 rt2x00dev->poll_dev = input_allocate_polled_device();
128 if (!rt2x00dev->poll_dev) {
129 ERROR(rt2x00dev, "Failed to allocate polled device.\n");
130 rfkill_free(rt2x00dev->rfkill);
134 rt2x00dev->poll_dev->private = rt2x00dev;
135 rt2x00dev->poll_dev->poll = rt2x00rfkill_poll;
136 rt2x00dev->poll_dev->poll_interval = RFKILL_POLL_INTERVAL;
141 void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev)
143 if (!test_bit(DEVICE_SUPPORT_HW_BUTTON, &rt2x00dev->flags))
146 input_free_polled_device(rt2x00dev->poll_dev);
147 rfkill_free(rt2x00dev->rfkill);