text: /******************************************************************************
   *
   * Copyright(c) 2009-2012  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.
   *
   * 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:
  		pr_err("switch case %#x not processed\n",
  		       pled->ledpin);
  		break;
  	}
  	pled->ledon = true;
  }
  
  void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
  {
  	struct rtl_priv *rtlpriv = rtl_priv(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 (rtlpriv->ledctl.led_opendrain)
  			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:
  		pr_err("switch case %#x not processed\n",
  		       pled->ledpin);
  		break;
  	}
  	pled->ledon = false;
  }
  
  void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
  {
  	struct rtl_priv *rtlpriv = rtl_priv(hw);
  
  	_rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
  	_rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
  }
  
  void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
  {
  	struct rtl_priv *rtlpriv = rtl_priv(hw);
  
  	_rtl92cu_deInit_led(&rtlpriv->ledctl.sw_led0);
  	_rtl92cu_deInit_led(&rtlpriv->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);
  }
  