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 * 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 * Larry Finger <Larry.Finger@lwfinger.net>
27 *
28 *****************************************************************************/
29
30 #include "../wifi.h"
31 #include "../pci.h"
32 #include "reg.h"
33 #include "led.h"
34
_rtl8723ae_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)35 static void _rtl8723ae_init_led(struct ieee80211_hw *hw,
36 struct rtl_led *pled, enum rtl_led_pin ledpin)
37 {
38 pled->hw = hw;
39 pled->ledpin = ledpin;
40 pled->ledon = false;
41 }
42
rtl8723ae_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)43 void rtl8723ae_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
44 {
45 struct rtl_priv *rtlpriv = rtl_priv(hw);
46 u8 ledcfg;
47
48 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
49 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
50
51 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
52
53 switch (pled->ledpin) {
54 case LED_PIN_GPIO0:
55 break;
56 case LED_PIN_LED0:
57 ledcfg &= ~BIT(6);
58 rtl_write_byte(rtlpriv,
59 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
60 break;
61 case LED_PIN_LED1:
62 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
63 break;
64 default:
65 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
66 "switch case not processed\n");
67 break;
68 }
69 pled->ledon = true;
70 }
71
rtl8723ae_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)72 void rtl8723ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
73 {
74 struct rtl_priv *rtlpriv = rtl_priv(hw);
75 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
76 u8 ledcfg;
77
78 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
79 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
80
81 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
82
83 switch (pled->ledpin) {
84 case LED_PIN_GPIO0:
85 break;
86 case LED_PIN_LED0:
87 ledcfg &= 0xf0;
88 if (pcipriv->ledctl.led_opendrain) {
89 ledcfg &= 0x90;
90 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
91 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
92 ledcfg &= 0xFE;
93 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
94 } else {
95 ledcfg &= ~BIT(6);
96 rtl_write_byte(rtlpriv, REG_LEDCFG2,
97 (ledcfg | BIT(3) | BIT(5)));
98 }
99 break;
100 case LED_PIN_LED1:
101 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1) & 0x10;
102 rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3)));
103 break;
104 default:
105 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
106 "switch case not processed\n");
107 break;
108 }
109 pled->ledon = false;
110 }
111
rtl8723ae_init_sw_leds(struct ieee80211_hw * hw)112 void rtl8723ae_init_sw_leds(struct ieee80211_hw *hw)
113 {
114 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
115
116 _rtl8723ae_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
117 _rtl8723ae_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
118 }
119
_rtl8723ae_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)120 static void _rtl8723ae_sw_led_control(struct ieee80211_hw *hw,
121 enum led_ctl_mode ledaction)
122 {
123 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
124 struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
125
126 switch (ledaction) {
127 case LED_CTL_POWER_ON:
128 case LED_CTL_LINK:
129 case LED_CTL_NO_LINK:
130 rtl8723ae_sw_led_on(hw, pLed0);
131 break;
132 case LED_CTL_POWER_OFF:
133 rtl8723ae_sw_led_off(hw, pLed0);
134 break;
135 default:
136 break;
137 }
138 }
139
rtl8723ae_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)140 void rtl8723ae_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
141 {
142 struct rtl_priv *rtlpriv = rtl_priv(hw);
143 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
144
145 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
146 (ledaction == LED_CTL_TX ||
147 ledaction == LED_CTL_RX ||
148 ledaction == LED_CTL_SITE_SURVEY ||
149 ledaction == LED_CTL_LINK ||
150 ledaction == LED_CTL_NO_LINK ||
151 ledaction == LED_CTL_START_TO_LINK ||
152 ledaction == LED_CTL_POWER_ON)) {
153 return;
154 }
155 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
156 _rtl8723ae_sw_led_control(hw, ledaction);
157 }
158