1 /******************************************************************************
2 *
3 * Copyright(c) 2009-2010 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
_rtl8821ae_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)31 static void _rtl8821ae_init_led(struct ieee80211_hw *hw,
32 struct rtl_led *pled,
33 enum rtl_led_pin ledpin)
34 {
35 pled->hw = hw;
36 pled->ledpin = ledpin;
37 pled->ledon = false;
38 }
39
rtl8821ae_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)40 void rtl8821ae_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
41 {
42 u8 ledcfg;
43 struct rtl_priv *rtlpriv = rtl_priv(hw);
44
45 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
46 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
47
48 switch (pled->ledpin) {
49 case LED_PIN_GPIO0:
50 break;
51 case LED_PIN_LED0:
52 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
53 ledcfg &= ~BIT(6);
54 rtl_write_byte(rtlpriv,
55 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
56 break;
57 case LED_PIN_LED1:
58 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
59 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
60 break;
61 default:
62 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
63 "switch case %#x not processed\n", pled->ledpin);
64 break;
65 }
66 pled->ledon = true;
67 }
68
rtl8812ae_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)69 void rtl8812ae_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
70 {
71 u16 ledreg = REG_LEDCFG1;
72 u8 ledcfg = 0;
73 struct rtl_priv *rtlpriv = rtl_priv(hw);
74
75 switch (pled->ledpin) {
76 case LED_PIN_LED0:
77 ledreg = REG_LEDCFG1;
78 break;
79
80 case LED_PIN_LED1:
81 ledreg = REG_LEDCFG2;
82 break;
83
84 case LED_PIN_GPIO0:
85 default:
86 break;
87 }
88
89 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
90 "In SwLedOn, LedAddr:%X LEDPIN=%d\n",
91 ledreg, pled->ledpin);
92
93 ledcfg = rtl_read_byte(rtlpriv, ledreg);
94 ledcfg |= BIT(5); /*Set 0x4c[21]*/
95 ledcfg &= ~(BIT(7) | BIT(6) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
96 /*Clear 0x4c[23:22] and 0x4c[19:16]*/
97 rtl_write_byte(rtlpriv, ledreg, ledcfg); /*SW control led0 on.*/
98 pled->ledon = true;
99 }
100
rtl8821ae_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)101 void rtl8821ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
102 {
103 struct rtl_priv *rtlpriv = rtl_priv(hw);
104 u8 ledcfg;
105
106 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
107 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
108
109 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
110
111 switch (pled->ledpin) {
112 case LED_PIN_GPIO0:
113 break;
114 case LED_PIN_LED0:
115 ledcfg &= 0xf0;
116 if (rtlpriv->ledctl.led_opendrain) {
117 ledcfg &= 0x90; /* Set to software control. */
118 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
119 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
120 ledcfg &= 0xFE;
121 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
122 } else {
123 ledcfg &= ~BIT(6);
124 rtl_write_byte(rtlpriv, REG_LEDCFG2,
125 (ledcfg | BIT(3) | BIT(5)));
126 }
127 break;
128 case LED_PIN_LED1:
129 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
130 ledcfg &= 0x10; /* Set to software control. */
131 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
132 break;
133 default:
134 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
135 "switch case %#x not processed\n", pled->ledpin);
136 break;
137 }
138 pled->ledon = false;
139 }
140
rtl8812ae_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)141 void rtl8812ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
142 {
143 u16 ledreg = REG_LEDCFG1;
144 struct rtl_priv *rtlpriv = rtl_priv(hw);
145
146 switch (pled->ledpin) {
147 case LED_PIN_LED0:
148 ledreg = REG_LEDCFG1;
149 break;
150
151 case LED_PIN_LED1:
152 ledreg = REG_LEDCFG2;
153 break;
154
155 case LED_PIN_GPIO0:
156 default:
157 break;
158 }
159
160 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
161 "In SwLedOff,LedAddr:%X LEDPIN=%d\n",
162 ledreg, pled->ledpin);
163 /*Open-drain arrangement for controlling the LED*/
164 if (rtlpriv->ledctl.led_opendrain) {
165 u8 ledcfg = rtl_read_byte(rtlpriv, ledreg);
166
167 ledreg &= 0xd0; /* Set to software control.*/
168 rtl_write_byte(rtlpriv, ledreg, (ledcfg | BIT(3)));
169
170 /*Open-drain arrangement*/
171 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
172 ledcfg &= 0xFE;/*Set GPIO[8] to input mode*/
173 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
174 } else {
175 rtl_write_byte(rtlpriv, ledreg, 0x28);
176 }
177
178 pled->ledon = false;
179 }
180
rtl8821ae_init_sw_leds(struct ieee80211_hw * hw)181 void rtl8821ae_init_sw_leds(struct ieee80211_hw *hw)
182 {
183 struct rtl_priv *rtlpriv = rtl_priv(hw);
184
185 _rtl8821ae_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
186 _rtl8821ae_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
187 }
188
_rtl8821ae_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)189 static void _rtl8821ae_sw_led_control(struct ieee80211_hw *hw,
190 enum led_ctl_mode ledaction)
191 {
192 struct rtl_priv *rtlpriv = rtl_priv(hw);
193 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
194 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
195
196 switch (ledaction) {
197 case LED_CTL_POWER_ON:
198 case LED_CTL_LINK:
199 case LED_CTL_NO_LINK:
200 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
201 rtl8812ae_sw_led_on(hw, pled0);
202 else
203 rtl8821ae_sw_led_on(hw, pled0);
204 break;
205 case LED_CTL_POWER_OFF:
206 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
207 rtl8812ae_sw_led_off(hw, pled0);
208 else
209 rtl8821ae_sw_led_off(hw, pled0);
210 break;
211 default:
212 break;
213 }
214 }
215
rtl8821ae_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)216 void rtl8821ae_led_control(struct ieee80211_hw *hw,
217 enum led_ctl_mode ledaction)
218 {
219 struct rtl_priv *rtlpriv = rtl_priv(hw);
220 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
221
222 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
223 (ledaction == LED_CTL_TX ||
224 ledaction == LED_CTL_RX ||
225 ledaction == LED_CTL_SITE_SURVEY ||
226 ledaction == LED_CTL_LINK ||
227 ledaction == LED_CTL_NO_LINK ||
228 ledaction == LED_CTL_START_TO_LINK ||
229 ledaction == LED_CTL_POWER_ON)) {
230 return;
231 }
232 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
233 ledaction);
234 _rtl8821ae_sw_led_control(hw, ledaction);
235 }
236
