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
_rtl92ee_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)31 static void _rtl92ee_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
rtl92ee_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)39 void rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
40 {
41 u32 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_dword(rtlpriv , REG_GPIO_PIN_CTRL);
52 ledcfg &= ~BIT(13);
53 ledcfg |= BIT(21);
54 ledcfg &= ~BIT(29);
55
56 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
57
58 break;
59 case LED_PIN_LED1:
60
61 break;
62 default:
63 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
64 "switch case %#x not processed\n", pled->ledpin);
65 break;
66 }
67 pled->ledon = true;
68 }
69
rtl92ee_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)70 void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
71 {
72 struct rtl_priv *rtlpriv = rtl_priv(hw);
73 u32 ledcfg;
74
75 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
76 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
77
78 switch (pled->ledpin) {
79 case LED_PIN_GPIO0:
80 break;
81 case LED_PIN_LED0:
82
83 ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
84 ledcfg |= ~BIT(21);
85 ledcfg &= ~BIT(29);
86 rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
87
88 break;
89 case LED_PIN_LED1:
90
91 break;
92 default:
93 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
94 "switch case %#x not processed\n", pled->ledpin);
95 break;
96 }
97 pled->ledon = false;
98 }
99
rtl92ee_init_sw_leds(struct ieee80211_hw * hw)100 void rtl92ee_init_sw_leds(struct ieee80211_hw *hw)
101 {
102 struct rtl_priv *rtlpriv = rtl_priv(hw);
103
104 _rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
105 _rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
106 }
107
_rtl92ee_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)108 static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
109 enum led_ctl_mode ledaction)
110 {
111 struct rtl_priv *rtlpriv = rtl_priv(hw);
112 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
113
114 switch (ledaction) {
115 case LED_CTL_POWER_ON:
116 case LED_CTL_LINK:
117 case LED_CTL_NO_LINK:
118 rtl92ee_sw_led_on(hw, pled0);
119 break;
120 case LED_CTL_POWER_OFF:
121 rtl92ee_sw_led_off(hw, pled0);
122 break;
123 default:
124 break;
125 }
126 }
127
rtl92ee_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)128 void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
129 {
130 struct rtl_priv *rtlpriv = rtl_priv(hw);
131 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
132
133 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
134 (ledaction == LED_CTL_TX ||
135 ledaction == LED_CTL_RX ||
136 ledaction == LED_CTL_SITE_SURVEY ||
137 ledaction == LED_CTL_LINK ||
138 ledaction == LED_CTL_NO_LINK ||
139 ledaction == LED_CTL_START_TO_LINK ||
140 ledaction == LED_CTL_POWER_ON)) {
141 return;
142 }
143 RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
144 _rtl92ee_sw_led_control(hw, ledaction);
145 }
146