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 _rtl92ce_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 rtl92ce_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, "LedAddr:%X ledpin=%d\n", 23 REG_LEDCFG2, pled->ledpin); 24 25 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 26 27 switch (pled->ledpin) { 28 case LED_PIN_GPIO0: 29 break; 30 case LED_PIN_LED0: 31 rtl_write_byte(rtlpriv, 32 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); 33 break; 34 case LED_PIN_LED1: 35 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); 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 rtl92ce_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, "LedAddr:%X ledpin=%d\n", 51 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 rtl_write_byte(rtlpriv, REG_LEDCFG2, 62 (ledcfg | BIT(1) | BIT(5) | BIT(6))); 63 else 64 rtl_write_byte(rtlpriv, REG_LEDCFG2, 65 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 66 break; 67 case LED_PIN_LED1: 68 ledcfg &= 0x0f; 69 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3))); 70 break; 71 default: 72 pr_info("switch case %#x not processed\n", pled->ledpin); 73 break; 74 } 75 pled->ledon = false; 76 } 77 78 void rtl92ce_init_sw_leds(struct ieee80211_hw *hw) 79 { 80 struct rtl_priv *rtlpriv = rtl_priv(hw); 81 82 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); 83 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); 84 } 85 86 static void _rtl92ce_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 rtl92ce_sw_led_on(hw, pled0); 97 break; 98 case LED_CTL_POWER_OFF: 99 rtl92ce_sw_led_off(hw, pled0); 100 break; 101 default: 102 break; 103 } 104 } 105 106 void rtl92ce_led_control(struct ieee80211_hw *hw, 107 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 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", 123 ledaction); 124 _rtl92ce_sw_led_control(hw, ledaction); 125 } 126