summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c
blob: c6240813ff7b3034a81a58aee10d88b3127ae554 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/******************************************************************************
 *
 * Copyright(c) 2009-2012  Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 *****************************************************************************/

#include "../wifi.h"
#include "../usb.h"
#include "reg.h"
#include "led.h"

static void _rtl92cu_init_led(struct ieee80211_hw *hw,
			      struct rtl_led *pled, enum rtl_led_pin ledpin)
{
	pled->hw = hw;
	pled->ledpin = ledpin;
	pled->ledon = false;
}

static void _rtl92cu_deInit_led(struct rtl_led *pled)
{
}

void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
{
	u8 ledcfg;
	struct rtl_priv *rtlpriv = rtl_priv(hw);

	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
		 REG_LEDCFG2, pled->ledpin);
	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
	switch (pled->ledpin) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		rtl_write_byte(rtlpriv,
			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
		break;
	case LED_PIN_LED1:
		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
		break;
	default:
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
			 "switch case %#x not processed\n", pled->ledpin);
		break;
	}
	pled->ledon = true;
}

void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
	u8 ledcfg;

	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
		 REG_LEDCFG2, pled->ledpin);
	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
	switch (pled->ledpin) {
	case LED_PIN_GPIO0:
		break;
	case LED_PIN_LED0:
		ledcfg &= 0xf0;
		if (usbpriv->ledctl.led_opendrain)
			rtl_write_byte(rtlpriv, REG_LEDCFG2,
				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
		else
			rtl_write_byte(rtlpriv, REG_LEDCFG2,
				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
		break;
	case LED_PIN_LED1:
		ledcfg &= 0x0f;
		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
		break;
	default:
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
			 "switch case %#x not processed\n", pled->ledpin);
		break;
	}
	pled->ledon = false;
}

void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
{
	struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
	_rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led0), LED_PIN_LED0);
	_rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led1), LED_PIN_LED1);
}

void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
{
	struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
	_rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led0));
	_rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led1));
}

static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
				    enum led_ctl_mode ledaction)
{
}

void rtl92cu_led_control(struct ieee80211_hw *hw,
			enum led_ctl_mode ledaction)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));

	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
	    (ledaction == LED_CTL_TX ||
	     ledaction == LED_CTL_RX ||
	     ledaction == LED_CTL_SITE_SURVEY ||
	     ledaction == LED_CTL_LINK ||
	     ledaction == LED_CTL_NO_LINK ||
	     ledaction == LED_CTL_START_TO_LINK ||
	     ledaction == LED_CTL_POWER_ON)) {
		return;
	}
	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
	_rtl92cu_sw_led_control(hw, ledaction);
}