1 /****************************************************************************** 2 * 3 * Copyright(c) 2009-2012 Realtek Corporation. All rights reserved. 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 *****************************************************************************/ 23 24 #include "../wifi.h" 25 #include "../usb.h" 26 #include "reg.h" 27 #include "led.h" 28 29 static void _rtl92cu_init_led(struct ieee80211_hw *hw, 30 struct rtl_led *pled, enum rtl_led_pin ledpin) 31 { 32 pled->hw = hw; 33 pled->ledpin = ledpin; 34 pled->ledon = false; 35 } 36 37 static void _rtl92cu_deInit_led(struct rtl_led *pled) 38 { 39 } 40 41 void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) 42 { 43 u8 ledcfg; 44 struct rtl_priv *rtlpriv = rtl_priv(hw); 45 46 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 47 REG_LEDCFG2, pled->ledpin); 48 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 49 switch (pled->ledpin) { 50 case LED_PIN_GPIO0: 51 break; 52 case LED_PIN_LED0: 53 rtl_write_byte(rtlpriv, 54 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); 55 break; 56 case LED_PIN_LED1: 57 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5)); 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 rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) 68 { 69 struct rtl_priv *rtlpriv = rtl_priv(hw); 70 struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw); 71 u8 ledcfg; 72 73 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", 74 REG_LEDCFG2, pled->ledpin); 75 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); 76 switch (pled->ledpin) { 77 case LED_PIN_GPIO0: 78 break; 79 case LED_PIN_LED0: 80 ledcfg &= 0xf0; 81 if (usbpriv->ledctl.led_opendrain) 82 rtl_write_byte(rtlpriv, REG_LEDCFG2, 83 (ledcfg | BIT(1) | BIT(5) | BIT(6))); 84 else 85 rtl_write_byte(rtlpriv, REG_LEDCFG2, 86 (ledcfg | BIT(3) | BIT(5) | BIT(6))); 87 break; 88 case LED_PIN_LED1: 89 ledcfg &= 0x0f; 90 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3))); 91 break; 92 default: 93 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, 94 "switch case %#x not processed\n", pled->ledpin); 95 break; 96 } 97 pled->ledon = false; 98 } 99 100 void rtl92cu_init_sw_leds(struct ieee80211_hw *hw) 101 { 102 struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw); 103 _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led0), LED_PIN_LED0); 104 _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led1), LED_PIN_LED1); 105 } 106 107 void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw) 108 { 109 struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw); 110 _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led0)); 111 _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led1)); 112 } 113 114 static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw, 115 enum led_ctl_mode ledaction) 116 { 117 } 118 119 void rtl92cu_led_control(struct ieee80211_hw *hw, 120 enum led_ctl_mode ledaction) 121 { 122 struct rtl_priv *rtlpriv = rtl_priv(hw); 123 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); 124 125 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && 126 (ledaction == LED_CTL_TX || 127 ledaction == LED_CTL_RX || 128 ledaction == LED_CTL_SITE_SURVEY || 129 ledaction == LED_CTL_LINK || 130 ledaction == LED_CTL_NO_LINK || 131 ledaction == LED_CTL_START_TO_LINK || 132 ledaction == LED_CTL_POWER_ON)) { 133 return; 134 } 135 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction); 136 _rtl92cu_sw_led_control(hw, ledaction); 137 } 138