1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 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 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17 * 18 * The full GNU General Public License is included in this distribution in the 19 * file called LICENSE. 20 * 21 * Contact Information: 22 * wlanfae <wlanfae@realtek.com> 23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, 24 * Hsinchu 300, Taiwan. 25 * 26 * Larry Finger <Larry.Finger@lwfinger.net> 27 * 28 *****************************************************************************/ 29 30 #include "../wifi.h" 31 #include "../pci.h" 32 #include "reg.h" 33 #include "led.h" 34 35 static void _rtl92ce_init_led(struct ieee80211_hw *hw, 36 struct rtl_led *pled, enum rtl_led_pin ledpin) 37 { 38 pled->hw = hw; 39 pled->ledpin = ledpin; 40 pled->ledon = false; 41 } 42 43 void rtl92ce_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) 44 { 45 u8 ledcfg; 46 struct rtl_priv *rtlpriv = rtl_priv(hw); 47 48 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 49 REG_LEDCFG2, pled->ledpin); 50 51 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 52 53 switch (pled->ledpin) { 54 case LED_PIN_GPIO0: 55 break; 56 case LED_PIN_LED0: 57 rtl_write_byte(rtlpriv, 58 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); 59 break; 60 case LED_PIN_LED1: 61 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); 62 break; 63 default: 64 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 65 "switch case not processed\n"); 66 break; 67 } 68 pled->ledon = true; 69 } 70 71 void rtl92ce_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 72 { 73 struct rtl_priv *rtlpriv = rtl_priv(hw); 74 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); 75 u8 ledcfg; 76 77 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 78 REG_LEDCFG2, pled->ledpin); 79 80 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 81 82 switch (pled->ledpin) { 83 case LED_PIN_GPIO0: 84 break; 85 case LED_PIN_LED0: 86 ledcfg &= 0xf0; 87 if (pcipriv->ledctl.led_opendrain) 88 rtl_write_byte(rtlpriv, REG_LEDCFG2, 89 (ledcfg | BIT(1) | BIT(5) | BIT(6))); 90 else 91 rtl_write_byte(rtlpriv, REG_LEDCFG2, 92 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 93 break; 94 case LED_PIN_LED1: 95 ledcfg &= 0x0f; 96 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3))); 97 break; 98 default: 99 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 100 "switch case not processed\n"); 101 break; 102 } 103 pled->ledon = false; 104 } 105 106 void rtl92ce_init_sw_leds(struct ieee80211_hw *hw) 107 { 108 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); 109 _rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0); 110 _rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1); 111 } 112 113 static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw, 114 enum led_ctl_mode ledaction) 115 { 116 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw); 117 struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0); 118 switch (ledaction) { 119 case LED_CTL_POWER_ON: 120 case LED_CTL_LINK: 121 case LED_CTL_NO_LINK: 122 rtl92ce_sw_led_on(hw, pLed0); 123 break; 124 case LED_CTL_POWER_OFF: 125 rtl92ce_sw_led_off(hw, pLed0); 126 break; 127 default: 128 break; 129 } 130 } 131 132 void rtl92ce_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_LOUD, "ledaction %d\n", 149 ledaction); 150 _rtl92ce_sw_led_control(hw, ledaction); 151 } 152