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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright(c) 2009-2014  Realtek Corporation.*/
   3
   4 #include "../wifi.h"
   5 #include "../pci.h"
   6 #include "reg.h"
   7 #include "led.h"
   8
   9 static void _rtl92ee_init_led(struct ieee80211_hw *hw,
  10                               struct rtl_led *pled, enum rtl_led_pin ledpin)
  11 {
  12         pled->hw = hw;
  13         pled->ledpin = ledpin;
  14         pled->ledon = false;
  15 }
  16
  17 void rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
  18 {
  19         u32 ledcfg;
  20         struct rtl_priv *rtlpriv = rtl_priv(hw);
  21
  22         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  23                  "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
  24
  25         switch (pled->ledpin) {
  26         case LED_PIN_GPIO0:
  27                 break;
  28         case LED_PIN_LED0:
  29                 ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
  30                 ledcfg &= ~BIT(13);
  31                 ledcfg |= BIT(21);
  32                 ledcfg &= ~BIT(29);
  33
  34                 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
  35
  36                 break;
  37         case LED_PIN_LED1:
  38
  39                 break;
  40         default:
  41                 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  42                          "switch case %#x not processed\n", pled->ledpin);
  43                 break;
  44         }
  45         pled->ledon = true;
  46 }
  47
  48 void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
  49 {
  50         struct rtl_priv *rtlpriv = rtl_priv(hw);
  51         u32 ledcfg;
  52
  53         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  54                  "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
  55
  56         switch (pled->ledpin) {
  57         case LED_PIN_GPIO0:
  58                 break;
  59         case LED_PIN_LED0:
  60
  61                 ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
  62                 ledcfg |= ~BIT(21);
  63                 ledcfg &= ~BIT(29);
  64                 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
  65
  66                 break;
  67         case LED_PIN_LED1:
  68
  69                 break;
  70         default:
  71                 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  72                          "switch case %#x not processed\n", pled->ledpin);
  73                 break;
  74         }
  75         pled->ledon = false;
  76 }
  77
  78 void rtl92ee_init_sw_leds(struct ieee80211_hw *hw)
  79 {
  80         struct rtl_priv *rtlpriv = rtl_priv(hw);
  81
  82         _rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
  83         _rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
  84 }
  85
  86 static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
  87                                     enum led_ctl_mode ledaction)
  88 {
  89         struct rtl_priv *rtlpriv = rtl_priv(hw);
  90         struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
  91
  92         switch (ledaction) {
  93         case LED_CTL_POWER_ON:
  94         case LED_CTL_LINK:
  95         case LED_CTL_NO_LINK:
  96                 rtl92ee_sw_led_on(hw, pled0);
  97                 break;
  98         case LED_CTL_POWER_OFF:
  99                 rtl92ee_sw_led_off(hw, pled0);
 100                 break;
 101         default:
 102                 break;
 103         }
 104 }
 105
 106 void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
 107 {
 108         struct rtl_priv *rtlpriv = rtl_priv(hw);
 109         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 110
 111         if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
 112             (ledaction == LED_CTL_TX ||
 113              ledaction == LED_CTL_RX ||
 114              ledaction == LED_CTL_SITE_SURVEY ||
 115              ledaction == LED_CTL_LINK ||
 116              ledaction == LED_CTL_NO_LINK ||
 117              ledaction == LED_CTL_START_TO_LINK ||
 118              ledaction == LED_CTL_POWER_ON)) {
 119                 return;
 120         }
 121         RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
 122         _rtl92ee_sw_led_control(hw, ledaction);
 123 }