text: /******************************************************************************
   *
   * Copyright(c) 2009-2012  Realtek Corporation.
   *
   * 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.
   *
   * Larry Finger <Larry.Finger@lwfinger.net>
   *
   *****************************************************************************/
  
  #include "../wifi.h"
  #include "../pci.h"
  #include "reg.h"
  #include "led.h"
  
  static void _rtl8723ae_init_led(struct ieee80211_hw *hw,
  				struct rtl_led *pled, enum rtl_led_pin ledpin)
  {
  	pled->hw = hw;
  	pled->ledpin = ledpin;
  	pled->ledon = false;
  }
  
  void rtl8723ae_sw_led_on(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 &= ~BIT(6);
  		rtl_write_byte(rtlpriv,
  			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
  		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 processed\n");
  		break;
  	}
  	pled->ledon = true;
  }
  
  void rtl8723ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
  {
  	struct rtl_priv *rtlpriv = rtl_priv(hw);
  	struct rtl_pci_priv *pcipriv = rtl_pcipriv(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 (pcipriv->ledctl.led_opendrain) {
  			ledcfg &= 0x90;
  			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
  			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
  			ledcfg &= 0xFE;
  			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
  		} else {
  			ledcfg &= ~BIT(6);
  			rtl_write_byte(rtlpriv, REG_LEDCFG2,
  				       (ledcfg | BIT(3) | BIT(5)));
  		}
  		break;
  	case LED_PIN_LED1:
  		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1) & 0x10;
  		rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3)));
  		break;
  	default:
  		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  			 "switch case not processed\n");
  		break;
  	}
  	pled->ledon = false;
  }
  
  void rtl8723ae_init_sw_leds(struct ieee80211_hw *hw)
  {
  	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
  
  	_rtl8723ae_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
  	_rtl8723ae_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
  }
  
  static void _rtl8723ae_sw_led_control(struct ieee80211_hw *hw,
  				    enum led_ctl_mode ledaction)
  {
  	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
  	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
  
  	switch (ledaction) {
  	case LED_CTL_POWER_ON:
  	case LED_CTL_LINK:
  	case LED_CTL_NO_LINK:
  		rtl8723ae_sw_led_on(hw, pLed0);
  		break;
  	case LED_CTL_POWER_OFF:
  		rtl8723ae_sw_led_off(hw, pLed0);
  		break;
  	default:
  		break;
  	}
  }
  
  void rtl8723ae_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);
  	_rtl8723ae_sw_led_control(hw, ledaction);
  }
  