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 not process\n");
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 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
105 u8 ledcfg;
106
107 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
108 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
109
110 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
111
112 switch (pled->ledpin) {
113 case LED_PIN_GPIO0:
114 break;
115 case LED_PIN_LED0:
116 ledcfg &= 0xf0;
117 if (pcipriv->ledctl.led_opendrain) {
118 ledcfg &= 0x90; /* Set to software control. */
119 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
120 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
121 ledcfg &= 0xFE;
122 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
123 } else {
124 ledcfg &= ~BIT(6);
125 rtl_write_byte(rtlpriv, REG_LEDCFG2,
126 (ledcfg | BIT(3) | BIT(5)));
127 }
128 break;
129 case LED_PIN_LED1:
130 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
131 ledcfg &= 0x10; /* Set to software control. */
132 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
133 break;
134 default:
135 RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
136 "switch case not process\n");
137 break;
138 }
139 pled->ledon = false;
140 }
141
rtl8812ae_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)142 void rtl8812ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
143 {
144 u16 ledreg = REG_LEDCFG1;
145 struct rtl_priv *rtlpriv = rtl_priv(hw);
146 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
147
148 switch (pled->ledpin) {
149 case LED_PIN_LED0:
150 ledreg = REG_LEDCFG1;
151 break;
152
153 case LED_PIN_LED1:
154 ledreg = REG_LEDCFG2;
155 break;
156
157 case LED_PIN_GPIO0:
158 default:
159 break;
160 }
161
162 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
163 "In SwLedOff,LedAddr:%X LEDPIN=%d\n",
164 ledreg, pled->ledpin);
165 /*Open-drain arrangement for controlling the LED*/
166 if (pcipriv->ledctl.led_opendrain) {
167 u8 ledcfg = rtl_read_byte(rtlpriv, ledreg);
168
169 ledreg &= 0xd0; /* Set to software control.*/
170 rtl_write_byte(rtlpriv, ledreg, (ledcfg | BIT(3)));
171
172 /*Open-drain arrangement*/
173 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
174 ledcfg &= 0xFE;/*Set GPIO[8] to input mode*/
175 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
176 } else {
177 rtl_write_byte(rtlpriv, ledreg, 0x28);
178 }
179
180 pled->ledon = false;
181 }
182
rtl8821ae_init_sw_leds(struct ieee80211_hw * hw)183 void rtl8821ae_init_sw_leds(struct ieee80211_hw *hw)
184 {
185 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
186
187 _rtl8821ae_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
188 _rtl8821ae_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
189 }
190
_rtl8821ae_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)191 static void _rtl8821ae_sw_led_control(struct ieee80211_hw *hw,
192 enum led_ctl_mode ledaction)
193 {
194 struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
195 struct rtl_led *pLed0 = &pcipriv->ledctl.sw_led0;
196 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
197
198 switch (ledaction) {
199 case LED_CTL_POWER_ON:
200 case LED_CTL_LINK:
201 case LED_CTL_NO_LINK:
202 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
203 rtl8812ae_sw_led_on(hw, pLed0);
204 else
205 rtl8821ae_sw_led_on(hw, pLed0);
206 break;
207 case LED_CTL_POWER_OFF:
208 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
209 rtl8812ae_sw_led_off(hw, pLed0);
210 else
211 rtl8821ae_sw_led_off(hw, pLed0);
212 break;
213 default:
214 break;
215 }
216 }
217
rtl8821ae_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)218 void rtl8821ae_led_control(struct ieee80211_hw *hw,
219 enum led_ctl_mode ledaction)
220 {
221 struct rtl_priv *rtlpriv = rtl_priv(hw);
222 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
223
224 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
225 (ledaction == LED_CTL_TX ||
226 ledaction == LED_CTL_RX ||
227 ledaction == LED_CTL_SITE_SURVEY ||
228 ledaction == LED_CTL_LINK ||
229 ledaction == LED_CTL_NO_LINK ||
230 ledaction == LED_CTL_START_TO_LINK ||
231 ledaction == LED_CTL_POWER_ON)) {
232 return;
233 }
234 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
235 ledaction);
236 _rtl8821ae_sw_led_control(hw, ledaction);
237 }
238