1/******************************************************************************
2 *
3 * Copyright(c) 2009-2013  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
35static void _rtl88ee_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
43void rtl88ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
44{
45	u8 ledcfg;
46	struct rtl_priv *rtlpriv = rtl_priv(hw);
47
48	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
49		 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
50
51	switch (pled->ledpin) {
52	case LED_PIN_GPIO0:
53		break;
54	case LED_PIN_LED0:
55		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
56		rtl_write_byte(rtlpriv,
57			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
58		break;
59	case LED_PIN_LED1:
60		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
61		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
62		break;
63	default:
64		RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
65			 "switch case not process\n");
66		break;
67	}
68	pled->ledon = true;
69}
70
71void rtl88ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
72{
73	struct rtl_priv *rtlpriv = rtl_priv(hw);
74	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
75	u8 ledcfg;
76
77	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
78		 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
79
80	switch (pled->ledpin) {
81	case LED_PIN_GPIO0:
82		break;
83	case LED_PIN_LED0:
84		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
85		ledcfg &= 0xf0;
86		if (pcipriv->ledctl.led_opendrain) {
87			rtl_write_byte(rtlpriv, REG_LEDCFG2,
88				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
89			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
90			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG,
91				       (ledcfg & 0xFE));
92		} else
93			rtl_write_byte(rtlpriv, REG_LEDCFG2,
94				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
95		break;
96	case LED_PIN_LED1:
97		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
98		ledcfg &= 0x10;
99		rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3)));
100		break;
101	default:
102		RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
103			 "switch case not process\n");
104		break;
105	}
106	pled->ledon = false;
107}
108
109void rtl88ee_init_sw_leds(struct ieee80211_hw *hw)
110{
111	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
112	_rtl88ee_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
113	_rtl88ee_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
114}
115
116static void _rtl88ee_sw_led_control(struct ieee80211_hw *hw,
117				    enum led_ctl_mode ledaction)
118{
119	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
120	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
121	switch (ledaction) {
122	case LED_CTL_POWER_ON:
123	case LED_CTL_LINK:
124	case LED_CTL_NO_LINK:
125		rtl88ee_sw_led_on(hw, pLed0);
126		break;
127	case LED_CTL_POWER_OFF:
128		rtl88ee_sw_led_off(hw, pLed0);
129		break;
130	default:
131		break;
132	}
133}
134
135void rtl88ee_led_control(struct ieee80211_hw *hw,
136			enum led_ctl_mode ledaction)
137{
138	struct rtl_priv *rtlpriv = rtl_priv(hw);
139	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
140
141	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
142	    (ledaction == LED_CTL_TX ||
143	     ledaction == LED_CTL_RX ||
144	     ledaction == LED_CTL_SITE_SURVEY ||
145	     ledaction == LED_CTL_LINK ||
146	     ledaction == LED_CTL_NO_LINK ||
147	     ledaction == LED_CTL_START_TO_LINK ||
148	     ledaction == LED_CTL_POWER_ON)) {
149		return;
150	}
151	RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n",
152				ledaction);
153	_rtl88ee_sw_led_control(hw, ledaction);
154}
155