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
35static void _rtl8723e_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 rtl8723e_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		ledcfg &= ~BIT(6);
57		rtl_write_byte(rtlpriv,
58			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
59		break;
60	case LED_PIN_LED1:
61		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
62		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
63		break;
64	default:
65		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
66			 "switch case not process\n");
67		break;
68	}
69	pled->ledon = true;
70}
71
72void rtl8723e_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; /* Set to software control. */
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);
102		ledcfg &= 0x10; /* Set to software control. */
103		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
104
105		break;
106	default:
107		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
108			 "switch case not process\n");
109		break;
110	}
111	pled->ledon = false;
112}
113
114void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
115{
116	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
117	_rtl8723e_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
118	_rtl8723e_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
119}
120
121static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
122				     enum led_ctl_mode ledaction)
123{
124	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
125	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
126	switch (ledaction) {
127	case LED_CTL_POWER_ON:
128	case LED_CTL_LINK:
129	case LED_CTL_NO_LINK:
130		rtl8723e_sw_led_on(hw, pLed0);
131		break;
132	case LED_CTL_POWER_OFF:
133		rtl8723e_sw_led_off(hw, pLed0);
134		break;
135	default:
136		break;
137	}
138}
139
140void rtl8723e_led_control(struct ieee80211_hw *hw,
141			  enum led_ctl_mode ledaction)
142{
143	struct rtl_priv *rtlpriv = rtl_priv(hw);
144	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
145
146	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
147	    (ledaction == LED_CTL_TX ||
148	     ledaction == LED_CTL_RX ||
149	     ledaction == LED_CTL_SITE_SURVEY ||
150	     ledaction == LED_CTL_LINK ||
151	     ledaction == LED_CTL_NO_LINK ||
152	     ledaction == LED_CTL_START_TO_LINK ||
153	     ledaction == LED_CTL_POWER_ON)) {
154		return;
155	}
156	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
157		 ledaction);
158	_rtl8723e_sw_led_control(hw, ledaction);
159}
160