drivers/net/wireless/realtek/rtlwifi/rtl8192ee/led.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2014  Realtek Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * The full GNU General Public License is included in this distribution in the
  15  * file called LICENSE.
  16  *
  17  * Contact Information:
  18  * wlanfae <wlanfae@realtek.com>
  19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20  * Hsinchu 300, Taiwan.
  21  *
  22  * Larry Finger <Larry.Finger@lwfinger.net>
  23  *
  24  *****************************************************************************/
  25
  26 #include "../wifi.h"
  27 #include "../pci.h"
  28 #include "reg.h"
  29 #include "led.h"
  30
  31 static void _rtl92ee_init_led(struct ieee80211_hw *hw,
  32                               struct rtl_led *pled, enum rtl_led_pin ledpin)
  33 {
  34         pled->hw = hw;
  35         pled->ledpin = ledpin;
  36         pled->ledon = false;
  37 }
  38
  39 void rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
  40 {
  41         u32 ledcfg;
  42         struct rtl_priv *rtlpriv = rtl_priv(hw);
  43
  44         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  45                  "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
  46
  47         switch (pled->ledpin) {
  48         case LED_PIN_GPIO0:
  49                 break;
  50         case LED_PIN_LED0:
  51                 ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
  52                 ledcfg &= ~BIT(13);
  53                 ledcfg |= BIT(21);
  54                 ledcfg &= ~BIT(29);
  55
  56                 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
  57
  58                 break;
  59         case LED_PIN_LED1:
  60
  61                 break;
  62         default:
  63                 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  64                          "switch case not process\n");
  65                 break;
  66         }
  67         pled->ledon = true;
  68 }
  69
  70 void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
  71 {
  72         struct rtl_priv *rtlpriv = rtl_priv(hw);
  73         u32 ledcfg;
  74
  75         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  76                  "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
  77
  78         switch (pled->ledpin) {
  79         case LED_PIN_GPIO0:
  80                 break;
  81         case LED_PIN_LED0:
  82
  83                 ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
  84                 ledcfg |= ~BIT(21);
  85                 ledcfg &= ~BIT(29);
  86                 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
  87
  88                 break;
  89         case LED_PIN_LED1:
  90
  91                 break;
  92         default:
  93                 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  94                          "switch case not process\n");
  95                 break;
  96         }
  97         pled->ledon = false;
  98 }
  99
 100 void rtl92ee_init_sw_leds(struct ieee80211_hw *hw)
 101 {
 102         struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
 103
 104         _rtl92ee_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
 105         _rtl92ee_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
 106 }
 107
 108 static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
 109                                     enum led_ctl_mode ledaction)
 110 {
 111         struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
 112         struct rtl_led *pLed0 = &pcipriv->ledctl.sw_led0;
 113
 114         switch (ledaction) {
 115         case LED_CTL_POWER_ON:
 116         case LED_CTL_LINK:
 117         case LED_CTL_NO_LINK:
 118                 rtl92ee_sw_led_on(hw, pLed0);
 119                 break;
 120         case LED_CTL_POWER_OFF:
 121                 rtl92ee_sw_led_off(hw, pLed0);
 122                 break;
 123         default:
 124                 break;
 125         }
 126 }
 127
 128 void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
 129 {
 130         struct rtl_priv *rtlpriv = rtl_priv(hw);
 131         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 132
 133         if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
 134             (ledaction == LED_CTL_TX ||
 135              ledaction == LED_CTL_RX ||
 136              ledaction == LED_CTL_SITE_SURVEY ||
 137              ledaction == LED_CTL_LINK ||
 138              ledaction == LED_CTL_NO_LINK ||
 139              ledaction == LED_CTL_START_TO_LINK ||
 140              ledaction == LED_CTL_POWER_ON)) {
 141                 return;
 142         }
 143         RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
 144         _rtl92ee_sw_led_control(hw, ledaction);
 145 }