1/******************************************************************************
2 *
3 * Copyright(c) 2009-2012  Realtek Corporation. All rights reserved.
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 *****************************************************************************/
27
28#include "../wifi.h"
29#include "../usb.h"
30#include "reg.h"
31#include "led.h"
32
33static void _rtl92cu_init_led(struct ieee80211_hw *hw,
34			      struct rtl_led *pled, enum rtl_led_pin ledpin)
35{
36	pled->hw = hw;
37	pled->ledpin = ledpin;
38	pled->ledon = false;
39}
40
41static void _rtl92cu_deInit_led(struct rtl_led *pled)
42{
43}
44
45void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
46{
47	u8 ledcfg;
48	struct rtl_priv *rtlpriv = rtl_priv(hw);
49
50	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
51		 REG_LEDCFG2, pled->ledpin);
52	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
53	switch (pled->ledpin) {
54	case LED_PIN_GPIO0:
55		break;
56	case LED_PIN_LED0:
57		rtl_write_byte(rtlpriv,
58			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
59		break;
60	case LED_PIN_LED1:
61		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
62		break;
63	default:
64		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
65			 "switch case not processed\n");
66		break;
67	}
68	pled->ledon = true;
69}
70
71void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
72{
73	struct rtl_priv *rtlpriv = rtl_priv(hw);
74	struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
75	u8 ledcfg;
76
77	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
78		 REG_LEDCFG2, pled->ledpin);
79	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
80	switch (pled->ledpin) {
81	case LED_PIN_GPIO0:
82		break;
83	case LED_PIN_LED0:
84		ledcfg &= 0xf0;
85		if (usbpriv->ledctl.led_opendrain)
86			rtl_write_byte(rtlpriv, REG_LEDCFG2,
87				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
88		else
89			rtl_write_byte(rtlpriv, REG_LEDCFG2,
90				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
91		break;
92	case LED_PIN_LED1:
93		ledcfg &= 0x0f;
94		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
95		break;
96	default:
97		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
98			 "switch case not processed\n");
99		break;
100	}
101	pled->ledon = false;
102}
103
104void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
105{
106	struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
107	_rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led0), LED_PIN_LED0);
108	_rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led1), LED_PIN_LED1);
109}
110
111void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
112{
113	struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw);
114	_rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led0));
115	_rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led1));
116}
117
118static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
119				    enum led_ctl_mode ledaction)
120{
121}
122
123void rtl92cu_led_control(struct ieee80211_hw *hw,
124			enum led_ctl_mode ledaction)
125{
126	struct rtl_priv *rtlpriv = rtl_priv(hw);
127	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
128
129	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
130	    (ledaction == LED_CTL_TX ||
131	     ledaction == LED_CTL_RX ||
132	     ledaction == LED_CTL_SITE_SURVEY ||
133	     ledaction == LED_CTL_LINK ||
134	     ledaction == LED_CTL_NO_LINK ||
135	     ledaction == LED_CTL_START_TO_LINK ||
136	     ledaction == LED_CTL_POWER_ON)) {
137		return;
138	}
139	RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
140	_rtl92cu_sw_led_control(hw, ledaction);
141}
142