1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2013 Realtek Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of version 2 of the GNU General Public License as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * The full GNU General Public License is included in this distribution in the 15 * file called LICENSE. 16 * 17 * Contact Information: 18 * wlanfae <wlanfae@realtek.com> 19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 20 * Hsinchu 300, Taiwan. 21 * 22 * Larry Finger <Larry.Finger@lwfinger.net> 23 * 24 *****************************************************************************/ 25 26 #include "../wifi.h" 27 #include "../pci.h" 28 #include "reg.h" 29 #include "led.h" 30 31 static void _rtl88ee_init_led(struct ieee80211_hw *hw, 32 struct rtl_led *pled, enum rtl_led_pin ledpin) 33 { 34 pled->hw = hw; 35 pled->ledpin = ledpin; 36 pled->ledon = false; 37 } 38 39 void rtl88ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) 40 { 41 u8 ledcfg; 42 struct rtl_priv *rtlpriv = rtl_priv(hw); 43 44 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, 45 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); 46 47 switch (pled->ledpin) { 48 case LED_PIN_GPIO0: 49 break; 50 case LED_PIN_LED0: 51 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 52 rtl_write_byte(rtlpriv, 53 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); 54 break; 55 case LED_PIN_LED1: 56 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 57 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10); 58 break; 59 default: 60 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, 61 "switch case %#x not processed\n", pled->ledpin); 62 break; 63 } 64 pled->ledon = true; 65 } 66 67 void rtl88ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 68 { 69 struct rtl_priv *rtlpriv = rtl_priv(hw); 70 u8 ledcfg; 71 72 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, 73 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); 74 75 switch (pled->ledpin) { 76 case LED_PIN_GPIO0: 77 break; 78 case LED_PIN_LED0: 79 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 80 ledcfg &= 0xf0; 81 if (rtlpriv->ledctl.led_opendrain) { 82 rtl_write_byte(rtlpriv, REG_LEDCFG2, 83 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 84 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG); 85 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, 86 (ledcfg & 0xFE)); 87 } else 88 rtl_write_byte(rtlpriv, REG_LEDCFG2, 89 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 90 break; 91 case LED_PIN_LED1: 92 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 93 ledcfg &= 0x10; 94 rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3))); 95 break; 96 default: 97 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, 98 "switch case %#x not processed\n", pled->ledpin); 99 break; 100 } 101 pled->ledon = false; 102 } 103 104 void rtl88ee_init_sw_leds(struct ieee80211_hw *hw) 105 { 106 struct rtl_priv *rtlpriv = rtl_priv(hw); 107 108 _rtl88ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); 109 _rtl88ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); 110 } 111 112 static void _rtl88ee_sw_led_control(struct ieee80211_hw *hw, 113 enum led_ctl_mode ledaction) 114 { 115 struct rtl_priv *rtlpriv = rtl_priv(hw); 116 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0; 117 118 switch (ledaction) { 119 case LED_CTL_POWER_ON: 120 case LED_CTL_LINK: 121 case LED_CTL_NO_LINK: 122 rtl88ee_sw_led_on(hw, pled0); 123 break; 124 case LED_CTL_POWER_OFF: 125 rtl88ee_sw_led_off(hw, pled0); 126 break; 127 default: 128 break; 129 } 130 } 131 132 void rtl88ee_led_control(struct ieee80211_hw *hw, 133 enum led_ctl_mode ledaction) 134 { 135 struct rtl_priv *rtlpriv = rtl_priv(hw); 136 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 137 138 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 139 (ledaction == LED_CTL_TX || 140 ledaction == LED_CTL_RX || 141 ledaction == LED_CTL_SITE_SURVEY || 142 ledaction == LED_CTL_LINK || 143 ledaction == LED_CTL_NO_LINK || 144 ledaction == LED_CTL_START_TO_LINK || 145 ledaction == LED_CTL_POWER_ON)) { 146 return; 147 } 148 RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", 149 ledaction); 150 _rtl88ee_sw_led_control(hw, ledaction); 151 } 152