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1/******************************************************************************
2 *
3 * Copyright(c) 2009-2014  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
31static void _rtl92ee_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
39void rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
40{
41	u32 ledcfg;
42	struct rtl_priv *rtlpriv = rtl_priv(hw);
43
44	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
45		 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
46
47	switch (pled->ledpin) {
48	case LED_PIN_GPIO0:
49		break;
50	case LED_PIN_LED0:
51		ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
52		ledcfg &= ~BIT(13);
53		ledcfg |= BIT(21);
54		ledcfg &= ~BIT(29);
55
56		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
57
58		break;
59	case LED_PIN_LED1:
60
61		break;
62	default:
63		RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
64			 "switch case not process\n");
65		break;
66	}
67	pled->ledon = true;
68}
69
70void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
71{
72	struct rtl_priv *rtlpriv = rtl_priv(hw);
73	u32 ledcfg;
74
75	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
76		 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
77
78	switch (pled->ledpin) {
79	case LED_PIN_GPIO0:
80		break;
81	case LED_PIN_LED0:
82
83		ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
84		ledcfg |= ~BIT(21);
85		ledcfg &= ~BIT(29);
86		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
87
88		break;
89	case LED_PIN_LED1:
90
91		break;
92	default:
93		RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
94			 "switch case not process\n");
95		break;
96	}
97	pled->ledon = false;
98}
99
100void rtl92ee_init_sw_leds(struct ieee80211_hw *hw)
101{
102	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
103
104	_rtl92ee_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
105	_rtl92ee_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
106}
107
108static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
109				    enum led_ctl_mode ledaction)
110{
111	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
112	struct rtl_led *pLed0 = &pcipriv->ledctl.sw_led0;
113
114	switch (ledaction) {
115	case LED_CTL_POWER_ON:
116	case LED_CTL_LINK:
117	case LED_CTL_NO_LINK:
118		rtl92ee_sw_led_on(hw, pLed0);
119		break;
120	case LED_CTL_POWER_OFF:
121		rtl92ee_sw_led_off(hw, pLed0);
122		break;
123	default:
124		break;
125	}
126}
127
128void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
129{
130	struct rtl_priv *rtlpriv = rtl_priv(hw);
131	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
132
133	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
134	    (ledaction == LED_CTL_TX ||
135	     ledaction == LED_CTL_RX ||
136	     ledaction == LED_CTL_SITE_SURVEY ||
137	     ledaction == LED_CTL_LINK ||
138	     ledaction == LED_CTL_NO_LINK ||
139	     ledaction == LED_CTL_START_TO_LINK ||
140	     ledaction == LED_CTL_POWER_ON)) {
141		return;
142	}
143	RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
144	_rtl92ee_sw_led_control(hw, ledaction);
145}
146