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 rtl92ce_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 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 18 19 switch (pin) { 20 case LED_PIN_GPIO0: 21 break; 22 case LED_PIN_LED0: 23 rtl_write_byte(rtlpriv, 24 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); 25 break; 26 case LED_PIN_LED1: 27 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); 28 break; 29 default: 30 pr_err("switch case %#x not processed\n", pin); 31 break; 32 } 33 } 34 35 void rtl92ce_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin) 36 { 37 struct rtl_priv *rtlpriv = rtl_priv(hw); 38 u8 ledcfg; 39 40 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 41 REG_LEDCFG2, pin); 42 43 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 44 45 switch (pin) { 46 case LED_PIN_GPIO0: 47 break; 48 case LED_PIN_LED0: 49 ledcfg &= 0xf0; 50 if (rtlpriv->ledctl.led_opendrain) 51 rtl_write_byte(rtlpriv, REG_LEDCFG2, 52 (ledcfg | BIT(1) | BIT(5) | BIT(6))); 53 else 54 rtl_write_byte(rtlpriv, REG_LEDCFG2, 55 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 56 break; 57 case LED_PIN_LED1: 58 ledcfg &= 0x0f; 59 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3))); 60 break; 61 default: 62 pr_info("switch case %#x not processed\n", pin); 63 break; 64 } 65 } 66 67 static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw, 68 enum led_ctl_mode ledaction) 69 { 70 struct rtl_priv *rtlpriv = rtl_priv(hw); 71 enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0; 72 73 switch (ledaction) { 74 case LED_CTL_POWER_ON: 75 case LED_CTL_LINK: 76 case LED_CTL_NO_LINK: 77 rtl92ce_sw_led_on(hw, pin0); 78 break; 79 case LED_CTL_POWER_OFF: 80 rtl92ce_sw_led_off(hw, pin0); 81 break; 82 default: 83 break; 84 } 85 } 86 87 void rtl92ce_led_control(struct ieee80211_hw *hw, 88 enum led_ctl_mode ledaction) 89 { 90 struct rtl_priv *rtlpriv = rtl_priv(hw); 91 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 92 93 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 94 (ledaction == LED_CTL_TX || 95 ledaction == LED_CTL_RX || 96 ledaction == LED_CTL_SITE_SURVEY || 97 ledaction == LED_CTL_LINK || 98 ledaction == LED_CTL_NO_LINK || 99 ledaction == LED_CTL_START_TO_LINK || 100 ledaction == LED_CTL_POWER_ON)) { 101 return; 102 } 103 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", 104 ledaction); 105 _rtl92ce_sw_led_control(hw, ledaction); 106 } 107