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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 _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
43void 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
50void 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, "LedAddr:%X ledpin=%d\n",
56		 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 processed\n");
72		break;
73	}
74	pled->ledon = true;
75}
76
77void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
78{
79	struct rtl_priv *rtlpriv;
80	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
81	u8 ledcfg;
82
83	rtlpriv = rtl_priv(hw);
84	if (!rtlpriv || rtlpriv->max_fw_size)
85		return;
86	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
87		 LEDCFG, pled->ledpin);
88
89	ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
90
91	switch (pled->ledpin) {
92	case LED_PIN_GPIO0:
93		break;
94	case LED_PIN_LED0:
95		ledcfg &= 0xf0;
96		if (pcipriv->ledctl.led_opendrain)
97			rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
98		else
99			rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
100		break;
101	case LED_PIN_LED1:
102		ledcfg &= 0x0f;
103		rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
104		break;
105	default:
106		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
107			 "switch case not processed\n");
108		break;
109	}
110	pled->ledon = false;
111}
112
113static void _rtl92se_sw_led_control(struct ieee80211_hw *hw,
114				    enum led_ctl_mode ledaction)
115{
116	struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
117	struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
118	switch (ledaction) {
119	case LED_CTL_POWER_ON:
120	case LED_CTL_LINK:
121	case LED_CTL_NO_LINK:
122		rtl92se_sw_led_on(hw, pLed0);
123		break;
124	case LED_CTL_POWER_OFF:
125		rtl92se_sw_led_off(hw, pLed0);
126		break;
127	default:
128		break;
129	}
130}
131
132void rtl92se_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
133{
134	struct rtl_priv *rtlpriv = rtl_priv(hw);
135	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
136
137	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
138	    (ledaction == LED_CTL_TX ||
139	    ledaction == LED_CTL_RX ||
140	    ledaction == LED_CTL_SITE_SURVEY ||
141	    ledaction == LED_CTL_LINK ||
142	    ledaction == LED_CTL_NO_LINK ||
143	    ledaction == LED_CTL_START_TO_LINK ||
144	    ledaction == LED_CTL_POWER_ON)) {
145		return;
146	}
147	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
148
149	_rtl92se_sw_led_control(hw, ledaction);
150}
151
152