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
_rtl92cu_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)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
_rtl92cu_deInit_led(struct rtl_led * pled)37 static void _rtl92cu_deInit_led(struct rtl_led *pled)
38 {
39 }
40
rtl92cu_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)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 pr_err("switch case %#x not processed\n",
61 pled->ledpin);
62 break;
63 }
64 pled->ledon = true;
65 }
66
rtl92cu_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)67 void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
68 {
69 struct rtl_priv *rtlpriv = rtl_priv(hw);
70 u8 ledcfg;
71
72 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
73 REG_LEDCFG2, pled->ledpin);
74 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
75 switch (pled->ledpin) {
76 case LED_PIN_GPIO0:
77 break;
78 case LED_PIN_LED0:
79 ledcfg &= 0xf0;
80 if (rtlpriv->ledctl.led_opendrain)
81 rtl_write_byte(rtlpriv, REG_LEDCFG2,
82 (ledcfg | BIT(1) | BIT(5) | BIT(6)));
83 else
84 rtl_write_byte(rtlpriv, REG_LEDCFG2,
85 (ledcfg | BIT(3) | BIT(5) | BIT(6)));
86 break;
87 case LED_PIN_LED1:
88 ledcfg &= 0x0f;
89 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
90 break;
91 default:
92 pr_err("switch case %#x not processed\n",
93 pled->ledpin);
94 break;
95 }
96 pled->ledon = false;
97 }
98
rtl92cu_init_sw_leds(struct ieee80211_hw * hw)99 void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
100 {
101 struct rtl_priv *rtlpriv = rtl_priv(hw);
102
103 _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
104 _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
105 }
106
rtl92cu_deinit_sw_leds(struct ieee80211_hw * hw)107 void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
108 {
109 struct rtl_priv *rtlpriv = rtl_priv(hw);
110
111 _rtl92cu_deInit_led(&rtlpriv->ledctl.sw_led0);
112 _rtl92cu_deInit_led(&rtlpriv->ledctl.sw_led1);
113 }
114
_rtl92cu_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)115 static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
116 enum led_ctl_mode ledaction)
117 {
118 }
119
rtl92cu_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)120 void rtl92cu_led_control(struct ieee80211_hw *hw,
121 enum led_ctl_mode ledaction)
122 {
123 struct rtl_priv *rtlpriv = rtl_priv(hw);
124 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
125
126 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
127 (ledaction == LED_CTL_TX ||
128 ledaction == LED_CTL_RX ||
129 ledaction == LED_CTL_SITE_SURVEY ||
130 ledaction == LED_CTL_LINK ||
131 ledaction == LED_CTL_NO_LINK ||
132 ledaction == LED_CTL_START_TO_LINK ||
133 ledaction == LED_CTL_POWER_ON)) {
134 return;
135 }
136 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
137 _rtl92cu_sw_led_control(hw, ledaction);
138 }
139
