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 _rtl8723be_init_led(struct ieee80211_hw *hw, struct rtl_led *pled, 10 enum rtl_led_pin ledpin) 11 { 12 pled->hw = hw; 13 pled->ledpin = ledpin; 14 pled->ledon = false; 15 } 16 17 void rtl8723be_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, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5)); 32 break; 33 case LED_PIN_LED1: 34 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 35 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10); 36 break; 37 default: 38 pr_err("switch case %#x not processed\n", 39 pled->ledpin); 40 break; 41 } 42 pled->ledon = true; 43 } 44 45 void rtl8723be_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 46 { 47 struct rtl_priv *rtlpriv = rtl_priv(hw); 48 u8 ledcfg; 49 50 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, 51 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); 52 53 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 54 55 switch (pled->ledpin) { 56 case LED_PIN_GPIO0: 57 break; 58 case LED_PIN_LED0: 59 ledcfg &= 0xf0; 60 if (rtlpriv->ledctl.led_opendrain) { 61 ledcfg &= 0x90; /* Set to software control. */ 62 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3))); 63 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG); 64 ledcfg &= 0xFE; 65 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg); 66 } else { 67 ledcfg &= ~BIT(6); 68 rtl_write_byte(rtlpriv, REG_LEDCFG2, 69 (ledcfg | BIT(3) | BIT(5))); 70 } 71 break; 72 case LED_PIN_LED1: 73 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 74 ledcfg &= 0x10; /* Set to software control. */ 75 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3)); 76 77 break; 78 default: 79 pr_err("switch case %#x not processed\n", 80 pled->ledpin); 81 break; 82 } 83 pled->ledon = false; 84 } 85 86 void rtl8723be_init_sw_leds(struct ieee80211_hw *hw) 87 { 88 struct rtl_priv *rtlpriv = rtl_priv(hw); 89 90 _rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); 91 _rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); 92 } 93 94 static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw, 95 enum led_ctl_mode ledaction) 96 { 97 struct rtl_priv *rtlpriv = rtl_priv(hw); 98 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0; 99 100 switch (ledaction) { 101 case LED_CTL_POWER_ON: 102 case LED_CTL_LINK: 103 case LED_CTL_NO_LINK: 104 rtl8723be_sw_led_on(hw, pled0); 105 break; 106 case LED_CTL_POWER_OFF: 107 rtl8723be_sw_led_off(hw, pled0); 108 break; 109 default: 110 break; 111 } 112 } 113 114 void rtl8723be_led_control(struct ieee80211_hw *hw, 115 enum led_ctl_mode ledaction) 116 { 117 struct rtl_priv *rtlpriv = rtl_priv(hw); 118 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 119 120 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 121 (ledaction == LED_CTL_TX || 122 ledaction == LED_CTL_RX || 123 ledaction == LED_CTL_SITE_SURVEY || 124 ledaction == LED_CTL_LINK || 125 ledaction == LED_CTL_NO_LINK || 126 ledaction == LED_CTL_START_TO_LINK || 127 ledaction == LED_CTL_POWER_ON)) { 128 return; 129 } 130 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction); 131 _rtl8723be_sw_led_control(hw, ledaction); 132 } 133