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 void rtl92de_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin) 10 { 11 u8 ledcfg; 12 struct rtl_priv *rtlpriv = rtl_priv(hw); 13 14 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 15 REG_LEDCFG2, pin); 16 17 switch (pin) { 18 case LED_PIN_GPIO0: 19 break; 20 case LED_PIN_LED0: 21 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 22 23 if ((rtlpriv->efuse.eeprom_did == 0x8176) || 24 (rtlpriv->efuse.eeprom_did == 0x8193)) 25 /* BIT7 of REG_LEDCFG2 should be set to 26 * make sure we could emit the led2. */ 27 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | 28 BIT(7) | BIT(5) | BIT(6)); 29 else 30 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | 31 BIT(7) | BIT(5)); 32 break; 33 case LED_PIN_LED1: 34 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 35 36 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); 37 break; 38 default: 39 pr_err("switch case %#x not processed\n", pin); 40 break; 41 } 42 } 43 44 void rtl92de_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin) 45 { 46 struct rtl_priv *rtlpriv = rtl_priv(hw); 47 u8 ledcfg; 48 49 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 50 REG_LEDCFG2, pin); 51 52 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 53 54 switch (pin) { 55 case LED_PIN_GPIO0: 56 break; 57 case LED_PIN_LED0: 58 ledcfg &= 0xf0; 59 if (rtlpriv->ledctl.led_opendrain) 60 rtl_write_byte(rtlpriv, REG_LEDCFG2, 61 (ledcfg | BIT(1) | BIT(5) | BIT(6))); 62 else 63 rtl_write_byte(rtlpriv, REG_LEDCFG2, 64 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 65 break; 66 case LED_PIN_LED1: 67 ledcfg &= 0x0f; 68 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3))); 69 break; 70 default: 71 pr_err("switch case %#x not processed\n", pin); 72 break; 73 } 74 } 75 76 static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw, 77 enum led_ctl_mode ledaction) 78 { 79 struct rtl_priv *rtlpriv = rtl_priv(hw); 80 enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0; 81 82 switch (ledaction) { 83 case LED_CTL_POWER_ON: 84 case LED_CTL_LINK: 85 case LED_CTL_NO_LINK: 86 rtl92de_sw_led_on(hw, pin0); 87 break; 88 case LED_CTL_POWER_OFF: 89 rtl92de_sw_led_off(hw, pin0); 90 break; 91 default: 92 break; 93 } 94 } 95 96 void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction) 97 { 98 struct rtl_priv *rtlpriv = rtl_priv(hw); 99 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 100 101 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 102 (ledaction == LED_CTL_TX || 103 ledaction == LED_CTL_RX || 104 ledaction == LED_CTL_SITE_SURVEY || 105 ledaction == LED_CTL_LINK || 106 ledaction == LED_CTL_NO_LINK || 107 ledaction == LED_CTL_START_TO_LINK || 108 ledaction == LED_CTL_POWER_ON)) { 109 return; 110 } 111 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction); 112 113 _rtl92ce_sw_led_control(hw, ledaction); 114 } 115