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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * wlanfae <wlanfae@realtek.com>
23 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
24 * Hsinchu 300, Taiwan.
25 *
26 *****************************************************************************/
27
28 #include "../wifi.h"
29 #include "../usb.h"
30 #include "reg.h"
31 #include "led.h"
32
_rtl92cu_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)33 static void _rtl92cu_init_led(struct ieee80211_hw *hw,
34 struct rtl_led *pled, enum rtl_led_pin ledpin)
35 {
36 pled->hw = hw;
37 pled->ledpin = ledpin;
38 pled->ledon = false;
39 }
40
_rtl92cu_deInit_led(struct rtl_led * pled)41 static void _rtl92cu_deInit_led(struct rtl_led *pled)
42 {
43 }
44
rtl92cu_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)45 void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
46 {
47 u8 ledcfg;
48 struct rtl_priv *rtlpriv = rtl_priv(hw);
49
50 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
51 REG_LEDCFG2, pled->ledpin);
52 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
53 switch (pled->ledpin) {
54 case LED_PIN_GPIO0:
55 break;
56 case LED_PIN_LED0:
57 rtl_write_byte(rtlpriv,
58 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
59 break;
60 case LED_PIN_LED1:
61 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
62 break;
63 default:
64 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
65 "switch case not processed\n");
66 break;
67 }
68 pled->ledon = true;
69 }
70
rtl92cu_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)71 void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
72 {
73 struct rtl_priv *rtlpriv = rtl_priv(hw);
74 struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
75 u8 ledcfg;
76
77 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
78 REG_LEDCFG2, pled->ledpin);
79 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
80 switch (pled->ledpin) {
81 case LED_PIN_GPIO0:
82 break;
83 case LED_PIN_LED0:
84 ledcfg &= 0xf0;
85 if (usbpriv->ledctl.led_opendrain)
86 rtl_write_byte(rtlpriv, REG_LEDCFG2,
87 (ledcfg | BIT(1) | BIT(5) | BIT(6)));
88 else
89 rtl_write_byte(rtlpriv, REG_LEDCFG2,
90 (ledcfg | BIT(3) | BIT(5) | BIT(6)));
91 break;
92 case LED_PIN_LED1:
93 ledcfg &= 0x0f;
94 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
95 break;
96 default:
97 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
98 "switch case not processed\n");
99 break;
100 }
101 pled->ledon = false;
102 }
103
rtl92cu_init_sw_leds(struct ieee80211_hw * hw)104 void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
105 {
106 struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
107 _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led0), LED_PIN_LED0);
108 _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led1), LED_PIN_LED1);
109 }
110
rtl92cu_deinit_sw_leds(struct ieee80211_hw * hw)111 void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
112 {
113 struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
114 _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led0));
115 _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led1));
116 }
117
_rtl92cu_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)118 static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
119 enum led_ctl_mode ledaction)
120 {
121 }
122
rtl92cu_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)123 void rtl92cu_led_control(struct ieee80211_hw *hw,
124 enum led_ctl_mode ledaction)
125 {
126 struct rtl_priv *rtlpriv = rtl_priv(hw);
127 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
128
129 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
130 (ledaction == LED_CTL_TX ||
131 ledaction == LED_CTL_RX ||
132 ledaction == LED_CTL_SITE_SURVEY ||
133 ledaction == LED_CTL_LINK ||
134 ledaction == LED_CTL_NO_LINK ||
135 ledaction == LED_CTL_START_TO_LINK ||
136 ledaction == LED_CTL_POWER_ON)) {
137 return;
138 }
139 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
140 _rtl92cu_sw_led_control(hw, ledaction);
141 }
142