1 /******************************************************************************
3 * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
5 * Portions of this file are derived from the ipw3945 project, as well
6 * as portions of the ieee80211 subsystem header files.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of version 2 of the GNU General Public License as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
21 * The full GNU General Public License is included in this distribution in the
22 * file called LICENSE.
24 * Contact Information:
25 * Intel Linux Wireless <ilw@linux.intel.com>
26 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *****************************************************************************/
28 #include <linux/kernel.h>
29 #include <linux/module.h>
30 #include <linux/init.h>
32 #include <net/mac80211.h>
34 #include "iwl-eeprom.h"
38 /* software rf-kill from user */
39 static int iwl_rfkill_soft_rf_kill(void *data, bool blocked)
41 struct iwl_priv *priv = data;
46 if (test_bit(STATUS_EXIT_PENDING, &priv->status))
49 IWL_DEBUG_RF_KILL(priv, "received soft RFKILL: block=%d\n", blocked);
51 mutex_lock(&priv->mutex);
53 if (iwl_is_rfkill_hw(priv))
57 iwl_radio_kill_sw_enable_radio(priv);
59 iwl_radio_kill_sw_disable_radio(priv);
62 mutex_unlock(&priv->mutex);
66 static const struct rfkill_ops iwl_rfkill_ops = {
67 .set_block = iwl_rfkill_soft_rf_kill,
70 int iwl_rfkill_init(struct iwl_priv *priv)
72 struct device *device = wiphy_dev(priv->hw->wiphy);
75 BUG_ON(device == NULL);
77 IWL_DEBUG_RF_KILL(priv, "Initializing RFKILL.\n");
78 priv->rfkill = rfkill_alloc(priv->cfg->name,
81 &iwl_rfkill_ops, priv);
83 IWL_ERR(priv, "Unable to allocate RFKILL device.\n");
88 ret = rfkill_register(priv->rfkill);
90 IWL_ERR(priv, "Unable to register RFKILL: %d\n", ret);
94 IWL_DEBUG_RF_KILL(priv, "RFKILL initialization complete.\n");
98 rfkill_destroy(priv->rfkill);
102 IWL_DEBUG_RF_KILL(priv, "RFKILL initialization complete.\n");
105 EXPORT_SYMBOL(iwl_rfkill_init);
107 void iwl_rfkill_unregister(struct iwl_priv *priv)
111 rfkill_unregister(priv->rfkill);
112 rfkill_destroy(priv->rfkill);
117 EXPORT_SYMBOL(iwl_rfkill_unregister);
119 /* set RFKILL to the right state. */
120 void iwl_rfkill_set_hw_state(struct iwl_priv *priv)
125 if (rfkill_set_hw_state(priv->rfkill,
126 !!iwl_is_rfkill_hw(priv)))
127 iwl_radio_kill_sw_disable_radio(priv);
129 iwl_radio_kill_sw_enable_radio(priv);
131 EXPORT_SYMBOL(iwl_rfkill_set_hw_state);