1 /******************************************************************************
3 * Copyright(c) 2009-2012 Realtek Corporation.
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.
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
14 * The full GNU General Public License is included in this distribution in the
15 * file called LICENSE.
17 * Contact Information:
18 * wlanfae <wlanfae@realtek.com>
19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20 * Hsinchu 300, Taiwan.
22 * Larry Finger <Larry.Finger@lwfinger.net>
24 *****************************************************************************/
31 static void _rtl92ce_init_led(struct ieee80211_hw *hw,
32 struct rtl_led *pled, enum rtl_led_pin ledpin)
35 pled->ledpin = ledpin;
39 void rtl92de_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
42 struct rtl_priv *rtlpriv = rtl_priv(hw);
44 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
45 REG_LEDCFG2, pled->ledpin);
47 switch (pled->ledpin) {
51 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
53 if ((rtlpriv->efuse.eeprom_did == 0x8176) ||
54 (rtlpriv->efuse.eeprom_did == 0x8193))
55 /* BIT7 of REG_LEDCFG2 should be set to
56 * make sure we could emit the led2. */
57 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
58 BIT(7) | BIT(5) | BIT(6));
60 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
64 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
66 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
69 pr_err("switch case %#x not processed\n",
76 void rtl92de_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
78 struct rtl_priv *rtlpriv = rtl_priv(hw);
81 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
82 REG_LEDCFG2, pled->ledpin);
84 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
86 switch (pled->ledpin) {
91 if (rtlpriv->ledctl.led_opendrain)
92 rtl_write_byte(rtlpriv, REG_LEDCFG2,
93 (ledcfg | BIT(1) | BIT(5) | BIT(6)));
95 rtl_write_byte(rtlpriv, REG_LEDCFG2,
96 (ledcfg | BIT(3) | BIT(5) | BIT(6)));
100 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
103 pr_err("switch case %#x not processed\n",
110 void rtl92de_init_sw_leds(struct ieee80211_hw *hw)
112 struct rtl_priv *rtlpriv = rtl_priv(hw);
114 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
115 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
118 static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
119 enum led_ctl_mode ledaction)
121 struct rtl_priv *rtlpriv = rtl_priv(hw);
122 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
125 case LED_CTL_POWER_ON:
127 case LED_CTL_NO_LINK:
128 rtl92de_sw_led_on(hw, pled0);
130 case LED_CTL_POWER_OFF:
131 rtl92de_sw_led_off(hw, pled0);
138 void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
140 struct rtl_priv *rtlpriv = rtl_priv(hw);
141 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
143 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
144 (ledaction == LED_CTL_TX ||
145 ledaction == LED_CTL_RX ||
146 ledaction == LED_CTL_SITE_SURVEY ||
147 ledaction == LED_CTL_LINK ||
148 ledaction == LED_CTL_NO_LINK ||
149 ledaction == LED_CTL_START_TO_LINK ||
150 ledaction == LED_CTL_POWER_ON)) {
153 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
155 _rtl92ce_sw_led_control(hw, ledaction);