1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2014 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 _rtl8723be_init_led(struct ieee80211_hw *hw, struct rtl_led *pled, 32 enum rtl_led_pin ledpin) 33 { 34 pled->hw = hw; 35 pled->ledpin = ledpin; 36 pled->ledon = false; 37 } 38 39 void rtl8723be_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 ledcfg &= ~BIT(6); 53 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5)); 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_EMERG, 61 "switch case %#x not processed\n", pled->ledpin); 62 break; 63 } 64 pled->ledon = true; 65 } 66 67 void rtl8723be_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 68 { 69 struct rtl_priv *rtlpriv = rtl_priv(hw); 70 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); 71 u8 ledcfg; 72 73 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, 74 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); 75 76 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 77 78 switch (pled->ledpin) { 79 case LED_PIN_GPIO0: 80 break; 81 case LED_PIN_LED0: 82 ledcfg &= 0xf0; 83 if (pcipriv->ledctl.led_opendrain) { 84 ledcfg &= 0x90; /* Set to software control. */ 85 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3))); 86 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG); 87 ledcfg &= 0xFE; 88 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg); 89 } else { 90 ledcfg &= ~BIT(6); 91 rtl_write_byte(rtlpriv, REG_LEDCFG2, 92 (ledcfg | BIT(3) | BIT(5))); 93 } 94 break; 95 case LED_PIN_LED1: 96 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1); 97 ledcfg &= 0x10; /* Set to software control. */ 98 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3)); 99 100 break; 101 default: 102 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 103 "switch case %#x not processed\n", pled->ledpin); 104 break; 105 } 106 pled->ledon = false; 107 } 108 109 void rtl8723be_init_sw_leds(struct ieee80211_hw *hw) 110 { 111 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); 112 _rtl8723be_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0); 113 _rtl8723be_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1); 114 } 115 116 static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw, 117 enum led_ctl_mode ledaction) 118 { 119 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); 120 struct rtl_led *pled0 = &(pcipriv->ledctl.sw_led0); 121 switch (ledaction) { 122 case LED_CTL_POWER_ON: 123 case LED_CTL_LINK: 124 case LED_CTL_NO_LINK: 125 rtl8723be_sw_led_on(hw, pled0); 126 break; 127 case LED_CTL_POWER_OFF: 128 rtl8723be_sw_led_off(hw, pled0); 129 break; 130 default: 131 break; 132 } 133 } 134 135 void rtl8723be_led_control(struct ieee80211_hw *hw, 136 enum led_ctl_mode ledaction) 137 { 138 struct rtl_priv *rtlpriv = rtl_priv(hw); 139 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 140 141 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 142 (ledaction == LED_CTL_TX || 143 ledaction == LED_CTL_RX || 144 ledaction == LED_CTL_SITE_SURVEY || 145 ledaction == LED_CTL_LINK || 146 ledaction == LED_CTL_NO_LINK || 147 ledaction == LED_CTL_START_TO_LINK || 148 ledaction == LED_CTL_POWER_ON)) { 149 return; 150 } 151 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction); 152 _rtl8723be_sw_led_control(hw, ledaction); 153 } 154