1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2010  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 
_rtl92se_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)35 static void _rtl92se_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 
rtl92se_init_sw_leds(struct ieee80211_hw * hw)43 void rtl92se_init_sw_leds(struct ieee80211_hw *hw)
44 {
45 	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
46 	_rtl92se_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
47 	_rtl92se_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
48 }
49 
rtl92se_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)50 void rtl92se_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
51 {
52 	u8 ledcfg;
53 	struct rtl_priv *rtlpriv = rtl_priv(hw);
54 
55 	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
56 		 ("LedAddr:%X ledpin=%d\n", LEDCFG, pled->ledpin));
57 
58 	ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
59 
60 	switch (pled->ledpin) {
61 	case LED_PIN_GPIO0:
62 		break;
63 	case LED_PIN_LED0:
64 		rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0);
65 		break;
66 	case LED_PIN_LED1:
67 		rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f);
68 		break;
69 	default:
70 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
71 			 ("switch case not process\n"));
72 		break;
73 	}
74 	pled->ledon = true;
75 }
76 
rtl92se_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)77 void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
78 {
79 	struct rtl_priv *rtlpriv = rtl_priv(hw);
80 	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
81 	u8 ledcfg;
82 
83 	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
84 		 ("LedAddr:%X ledpin=%d\n", LEDCFG, pled->ledpin));
85 
86 	ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
87 
88 	switch (pled->ledpin) {
89 	case LED_PIN_GPIO0:
90 		break;
91 	case LED_PIN_LED0:
92 		ledcfg &= 0xf0;
93 		if (pcipriv->ledctl.led_opendrain)
94 			rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
95 		else
96 			rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
97 		break;
98 	case LED_PIN_LED1:
99 		ledcfg &= 0x0f;
100 		rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
101 		break;
102 	default:
103 		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
104 			 ("switch case not process\n"));
105 		break;
106 	}
107 	pled->ledon = false;
108 }
109 
_rtl92se_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)110 static void _rtl92se_sw_led_control(struct ieee80211_hw *hw,
111 				    enum led_ctl_mode ledaction)
112 {
113 	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
114 	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
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",
145 		 ledaction));
146 
147 	_rtl92se_sw_led_control(hw, ledaction);
148 }
149 
150