mirror of https://gitee.com/openkylin/linux.git
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
|
|
* Linux RFKILL support for RTL8187
|
|
*
|
|
* Copyright (c) 2009 Herton Ronaldo Krzesinski <herton@mandriva.com.br>
|
|
*
|
|
* Based on the RFKILL handling in the r8187 driver, which is:
|
|
* Copyright (c) Realtek Semiconductor Corp. All rights reserved.
|
|
*
|
|
* Thanks to Realtek for their support!
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/usb.h>
|
|
#include <net/mac80211.h>
|
|
|
|
#include "rtl8187.h"
|
|
#include "rtl8187_rfkill.h"
|
|
|
|
static bool rtl8187_is_radio_enabled(struct rtl8187_priv *priv)
|
|
{
|
|
u8 gpio;
|
|
|
|
gpio = rtl818x_ioread8(priv, &priv->map->GPIO0);
|
|
rtl818x_iowrite8(priv, &priv->map->GPIO0, gpio & ~priv->rfkill_mask);
|
|
gpio = rtl818x_ioread8(priv, &priv->map->GPIO1);
|
|
|
|
return gpio & priv->rfkill_mask;
|
|
}
|
|
|
|
void rtl8187_rfkill_init(struct ieee80211_hw *hw)
|
|
{
|
|
struct rtl8187_priv *priv = hw->priv;
|
|
|
|
priv->rfkill_off = rtl8187_is_radio_enabled(priv);
|
|
printk(KERN_INFO "rtl8187: wireless switch is %s\n",
|
|
priv->rfkill_off ? "on" : "off");
|
|
wiphy_rfkill_set_hw_state(hw->wiphy, !priv->rfkill_off);
|
|
wiphy_rfkill_start_polling(hw->wiphy);
|
|
}
|
|
|
|
void rtl8187_rfkill_poll(struct ieee80211_hw *hw)
|
|
{
|
|
bool enabled;
|
|
struct rtl8187_priv *priv = hw->priv;
|
|
|
|
mutex_lock(&priv->conf_mutex);
|
|
enabled = rtl8187_is_radio_enabled(priv);
|
|
if (unlikely(enabled != priv->rfkill_off)) {
|
|
priv->rfkill_off = enabled;
|
|
printk(KERN_INFO "rtl8187: wireless radio switch turned %s\n",
|
|
enabled ? "on" : "off");
|
|
wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
|
|
}
|
|
mutex_unlock(&priv->conf_mutex);
|
|
}
|
|
|
|
void rtl8187_rfkill_exit(struct ieee80211_hw *hw)
|
|
{
|
|
wiphy_rfkill_stop_polling(hw->wiphy);
|
|
}
|