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 * 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
_rtl92se_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)31 static void _rtl92se_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
rtl92se_init_sw_leds(struct ieee80211_hw * hw)39 void rtl92se_init_sw_leds(struct ieee80211_hw *hw)
40 {
41 struct rtl_priv *rtlpriv = rtl_priv(hw);
42
43 _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
44 _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
45 }
46
rtl92se_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)47 void rtl92se_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
48 {
49 u8 ledcfg;
50 struct rtl_priv *rtlpriv = rtl_priv(hw);
51
52 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
53 LEDCFG, pled->ledpin);
54
55 ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
56
57 switch (pled->ledpin) {
58 case LED_PIN_GPIO0:
59 break;
60 case LED_PIN_LED0:
61 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0);
62 break;
63 case LED_PIN_LED1:
64 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f);
65 break;
66 default:
67 pr_err("switch case %#x not processed\n",
68 pled->ledpin);
69 break;
70 }
71 pled->ledon = true;
72 }
73
rtl92se_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)74 void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
75 {
76 struct rtl_priv *rtlpriv;
77 u8 ledcfg;
78
79 rtlpriv = rtl_priv(hw);
80 if (!rtlpriv || rtlpriv->max_fw_size)
81 return;
82 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
83 LEDCFG, pled->ledpin);
84
85 ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
86
87 switch (pled->ledpin) {
88 case LED_PIN_GPIO0:
89 break;
90 case LED_PIN_LED0:
91 ledcfg &= 0xf0;
92 if (rtlpriv->ledctl.led_opendrain)
93 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
94 else
95 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
96 break;
97 case LED_PIN_LED1:
98 ledcfg &= 0x0f;
99 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
100 break;
101 default:
102 pr_err("switch case %#x not processed\n",
103 pled->ledpin);
104 break;
105 }
106 pled->ledon = false;
107 }
108
_rtl92se_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)109 static void _rtl92se_sw_led_control(struct ieee80211_hw *hw,
110 enum led_ctl_mode ledaction)
111 {
112 struct rtl_priv *rtlpriv = rtl_priv(hw);
113 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
114
115 switch (ledaction) {
116 case LED_CTL_POWER_ON:
117 case LED_CTL_LINK:
118 case LED_CTL_NO_LINK:
119 rtl92se_sw_led_on(hw, pled0);
120 break;
121 case LED_CTL_POWER_OFF:
122 rtl92se_sw_led_off(hw, pled0);
123 break;
124 default:
125 break;
126 }
127 }
128
rtl92se_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)129 void rtl92se_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
130 {
131 struct rtl_priv *rtlpriv = rtl_priv(hw);
132 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
133
134 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
135 (ledaction == LED_CTL_TX ||
136 ledaction == LED_CTL_RX ||
137 ledaction == LED_CTL_SITE_SURVEY ||
138 ledaction == LED_CTL_LINK ||
139 ledaction == LED_CTL_NO_LINK ||
140 ledaction == LED_CTL_START_TO_LINK ||
141 ledaction == LED_CTL_POWER_ON)) {
142 return;
143 }
144 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
145
146 _rtl92se_sw_led_control(hw, ledaction);
147 }
148
149
