1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 2009-2012 Realtek Corporation.*/ 3 4 #include "../wifi.h" 5 #include "../usb.h" 6 #include "reg.h" 7 #include "led.h" 8 9 static void _rtl92cu_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 static void rtl92cu_deinit_led(struct rtl_led *pled) 18 { 19 } 20 21 void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) 22 { 23 u8 ledcfg; 24 struct rtl_priv *rtlpriv = rtl_priv(hw); 25 26 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 27 REG_LEDCFG2, pled->ledpin); 28 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 29 switch (pled->ledpin) { 30 case LED_PIN_GPIO0: 31 break; 32 case LED_PIN_LED0: 33 rtl_write_byte(rtlpriv, 34 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); 35 break; 36 case LED_PIN_LED1: 37 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); 38 break; 39 default: 40 pr_err("switch case %#x not processed\n", 41 pled->ledpin); 42 break; 43 } 44 pled->ledon = true; 45 } 46 47 void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 48 { 49 struct rtl_priv *rtlpriv = rtl_priv(hw); 50 u8 ledcfg; 51 52 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 53 REG_LEDCFG2, pled->ledpin); 54 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 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_err("switch case %#x not processed\n", 73 pled->ledpin); 74 break; 75 } 76 pled->ledon = false; 77 } 78 79 void rtl92cu_init_sw_leds(struct ieee80211_hw *hw) 80 { 81 struct rtl_priv *rtlpriv = rtl_priv(hw); 82 83 _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); 84 _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); 85 } 86 87 void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw) 88 { 89 struct rtl_priv *rtlpriv = rtl_priv(hw); 90 91 rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led0); 92 rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led1); 93 } 94 95 static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw, 96 enum led_ctl_mode ledaction) 97 { 98 } 99 100 void rtl92cu_led_control(struct ieee80211_hw *hw, 101 enum led_ctl_mode ledaction) 102 { 103 struct rtl_priv *rtlpriv = rtl_priv(hw); 104 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 105 106 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 107 (ledaction == LED_CTL_TX || 108 ledaction == LED_CTL_RX || 109 ledaction == LED_CTL_SITE_SURVEY || 110 ledaction == LED_CTL_LINK || 111 ledaction == LED_CTL_NO_LINK || 112 ledaction == LED_CTL_START_TO_LINK || 113 ledaction == LED_CTL_POWER_ON)) { 114 return; 115 } 116 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction); 117 _rtl92cu_sw_led_control(hw, ledaction); 118 } 119