1 files changed, 142 insertions, 0 deletions

diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/led.c b/drivers/net/wireless/rtlwifi/rtl8192cu/led.c
new file mode 100644
index 000000000000..332c74348a69
--- /dev/null
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/led.c
@@ -0,0 +1,142 @@
+/******************************************************************************
+ *
+ * Copyright(c) 2009-2010  Realtek Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called LICENSE.
+ *
+ * Contact Information:
+ * wlanfae <wlanfae@realtek.com>
+ * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
+ * Hsinchu 300, Taiwan.
+ *
+ *****************************************************************************/
+
+#include "../wifi.h"
+#include "../usb.h"
+#include "reg.h"
+#include "led.h"
+
+static void _rtl92cu_init_led(struct ieee80211_hw *hw,
+                              struct rtl_led *pled, enum rtl_led_pin ledpin)
+{
+        pled->hw = hw;
+        pled->ledpin = ledpin;
+        pled->ledon = false;
+}
+
+static void _rtl92cu_deInit_led(struct rtl_led *pled)
+{
+}
+
+void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
+{
+        u8 ledcfg;
+        struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+        RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
+                 ("LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin));
+        ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
+        switch (pled->ledpin) {
+        case LED_PIN_GPIO0:
+                break;
+        case LED_PIN_LED0:
+                rtl_write_byte(rtlpriv,
+                               REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
+                break;
+        case LED_PIN_LED1:
+                rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
+                break;
+        default:
+                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                         ("switch case not process\n"));
+                break;
+        }
+        pled->ledon = true;
+}
+
+void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
+{
+        struct rtl_priv *rtlpriv = rtl_priv(hw);
+        struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
+        u8 ledcfg;
+
+        RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
+                 ("LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin));
+        ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
+        switch (pled->ledpin) {
+        case LED_PIN_GPIO0:
+                break;
+        case LED_PIN_LED0:
+                ledcfg &= 0xf0;
+                if (usbpriv->ledctl.led_opendrain == true)
+                        rtl_write_byte(rtlpriv, REG_LEDCFG2,
+                                       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
+                else
+                        rtl_write_byte(rtlpriv, REG_LEDCFG2,
+                                       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
+                break;
+        case LED_PIN_LED1:
+                ledcfg &= 0x0f;
+                rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
+                break;
+        default:
+                RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
+                         ("switch case not process\n"));
+                break;
+        }
+        pled->ledon = false;
+}
+
+void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
+{
+        struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
+        _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led0), LED_PIN_LED0);
+        _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led1), LED_PIN_LED1);
+}
+
+void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
+{
+        struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
+        _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led0));
+        _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led1));
+}
+
+static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
+                                    enum led_ctl_mode ledaction)
+{
+}
+
+void rtl92cu_led_control(struct ieee80211_hw *hw,
+                        enum led_ctl_mode ledaction)
+{
+        struct rtl_priv *rtlpriv = rtl_priv(hw);
+        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
+
+        if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
+            (ledaction == LED_CTL_TX ||
+             ledaction == LED_CTL_RX ||
+             ledaction == LED_CTL_SITE_SURVEY ||
+             ledaction == LED_CTL_LINK ||
+             ledaction == LED_CTL_NO_LINK ||
+             ledaction == LED_CTL_START_TO_LINK ||
+             ledaction == LED_CTL_POWER_ON)) {
+                return;
+        }
+        RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, ("ledaction %d,\n",
+                                ledaction));
+        _rtl92cu_sw_led_control(hw, ledaction);
+}