1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../pci.h" 6 #include "reg.h" 7 #include "led.h" 8 9 static void _rtl92se_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 rtl92se_init_sw_leds(struct ieee80211_hw *hw) 18 { 19 struct rtl_priv *rtlpriv = rtl_priv(hw); 20 21 _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); 22 _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); 23 } 24 25 void rtl92se_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) 26 { 27 u8 ledcfg; 28 struct rtl_priv *rtlpriv = rtl_priv(hw); 29 30 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 31 LEDCFG, pled->ledpin); 32 33 ledcfg = rtl_read_byte(rtlpriv, LEDCFG); 34 35 switch (pled->ledpin) { 36 case LED_PIN_GPIO0: 37 break; 38 case LED_PIN_LED0: 39 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0); 40 break; 41 case LED_PIN_LED1: 42 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f); 43 break; 44 default: 45 pr_err("switch case %#x not processed\n", 46 pled->ledpin); 47 break; 48 } 49 pled->ledon = true; 50 } 51 52 void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 53 { 54 struct rtl_priv *rtlpriv; 55 u8 ledcfg; 56 57 rtlpriv = rtl_priv(hw); 58 if (!rtlpriv || rtlpriv->max_fw_size) 59 return; 60 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 61 LEDCFG, pled->ledpin); 62 63 ledcfg = rtl_read_byte(rtlpriv, LEDCFG); 64 65 switch (pled->ledpin) { 66 case LED_PIN_GPIO0: 67 break; 68 case LED_PIN_LED0: 69 ledcfg &= 0xf0; 70 if (rtlpriv->ledctl.led_opendrain) 71 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1))); 72 else 73 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3))); 74 break; 75 case LED_PIN_LED1: 76 ledcfg &= 0x0f; 77 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3))); 78 break; 79 default: 80 pr_err("switch case %#x not processed\n", 81 pled->ledpin); 82 break; 83 } 84 pled->ledon = false; 85 } 86 87 static void _rtl92se_sw_led_control(struct ieee80211_hw *hw, 88 enum led_ctl_mode ledaction) 89 { 90 struct rtl_priv *rtlpriv = rtl_priv(hw); 91 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0; 92 93 switch (ledaction) { 94 case LED_CTL_POWER_ON: 95 case LED_CTL_LINK: 96 case LED_CTL_NO_LINK: 97 rtl92se_sw_led_on(hw, pled0); 98 break; 99 case LED_CTL_POWER_OFF: 100 rtl92se_sw_led_off(hw, pled0); 101 break; 102 default: 103 break; 104 } 105 } 106 107 void rtl92se_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction) 108 { 109 struct rtl_priv *rtlpriv = rtl_priv(hw); 110 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 111 112 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 113 (ledaction == LED_CTL_TX || 114 ledaction == LED_CTL_RX || 115 ledaction == LED_CTL_SITE_SURVEY || 116 ledaction == LED_CTL_LINK || 117 ledaction == LED_CTL_NO_LINK || 118 ledaction == LED_CTL_START_TO_LINK || 119 ledaction == LED_CTL_POWER_ON)) { 120 return; 121 } 122 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction); 123 124 _rtl92se_sw_led_control(hw, ledaction); 125 } 126 127