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 _rtl8723e_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 rtl8723e_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) 18 { 19 u8 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_byte(rtlpriv, REG_LEDCFG2); 30 ledcfg &= ~BIT(6); 31 rtl_write_byte(rtlpriv, 32 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5)); 33 break; 34 case LED_PIN_LED1: 35 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 36 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10); 37 break; 38 default: 39 pr_err("switch case %#x not processed\n", 40 pled->ledpin); 41 break; 42 } 43 pled->ledon = true; 44 } 45 46 void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 47 { 48 struct rtl_priv *rtlpriv = rtl_priv(hw); 49 u8 ledcfg; 50 51 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, 52 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); 53 54 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 55 56 switch (pled->ledpin) { 57 case LED_PIN_GPIO0: 58 break; 59 case LED_PIN_LED0: 60 ledcfg &= 0xf0; 61 if (rtlpriv->ledctl.led_opendrain) { 62 ledcfg &= 0x90; /* Set to software control. */ 63 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3))); 64 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG); 65 ledcfg &= 0xFE; 66 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg); 67 } else { 68 ledcfg &= ~BIT(6); 69 rtl_write_byte(rtlpriv, REG_LEDCFG2, 70 (ledcfg | BIT(3) | BIT(5))); 71 } 72 break; 73 case LED_PIN_LED1: 74 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 75 ledcfg &= 0x10; /* Set to software control. */ 76 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3)); 77 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 void rtl8723e_init_sw_leds(struct ieee80211_hw *hw) 88 { 89 struct rtl_priv *rtlpriv = rtl_priv(hw); 90 91 _rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); 92 _rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); 93 } 94 95 static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw, 96 enum led_ctl_mode ledaction) 97 { 98 struct rtl_priv *rtlpriv = rtl_priv(hw); 99 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0; 100 101 switch (ledaction) { 102 case LED_CTL_POWER_ON: 103 case LED_CTL_LINK: 104 case LED_CTL_NO_LINK: 105 rtl8723e_sw_led_on(hw, pled0); 106 break; 107 case LED_CTL_POWER_OFF: 108 rtl8723e_sw_led_off(hw, pled0); 109 break; 110 default: 111 break; 112 } 113 } 114 115 void rtl8723e_led_control(struct ieee80211_hw *hw, 116 enum led_ctl_mode ledaction) 117 { 118 struct rtl_priv *rtlpriv = rtl_priv(hw); 119 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 120 121 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 122 (ledaction == LED_CTL_TX || 123 ledaction == LED_CTL_RX || 124 ledaction == LED_CTL_SITE_SURVEY || 125 ledaction == LED_CTL_LINK || 126 ledaction == LED_CTL_NO_LINK || 127 ledaction == LED_CTL_START_TO_LINK || 128 ledaction == LED_CTL_POWER_ON)) { 129 return; 130 } 131 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", 132 ledaction); 133 _rtl8723e_sw_led_control(hw, ledaction); 134 } 135