1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2010 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../pci.h"
6 #include "reg.h"
7 #include "led.h"
8
_rtl8821ae_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9 static void _rtl8821ae_init_led(struct ieee80211_hw *hw,
10 struct rtl_led *pled,
11 enum rtl_led_pin ledpin)
12 {
13 pled->hw = hw;
14 pled->ledpin = ledpin;
15 pled->ledon = false;
16 }
17
rtl8821ae_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)18 void rtl8821ae_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
19 {
20 u8 ledcfg;
21 struct rtl_priv *rtlpriv = rtl_priv(hw);
22
23 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
24 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
25
26 switch (pled->ledpin) {
27 case LED_PIN_GPIO0:
28 break;
29 case LED_PIN_LED0:
30 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
31 ledcfg &= ~BIT(6);
32 rtl_write_byte(rtlpriv,
33 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
34 break;
35 case LED_PIN_LED1:
36 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
37 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
38 break;
39 default:
40 rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
41 "switch case %#x not processed\n", pled->ledpin);
42 break;
43 }
44 pled->ledon = true;
45 }
46
rtl8812ae_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)47 void rtl8812ae_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
48 {
49 u16 ledreg = REG_LEDCFG1;
50 u8 ledcfg = 0;
51 struct rtl_priv *rtlpriv = rtl_priv(hw);
52
53 switch (pled->ledpin) {
54 case LED_PIN_LED0:
55 ledreg = REG_LEDCFG1;
56 break;
57
58 case LED_PIN_LED1:
59 ledreg = REG_LEDCFG2;
60 break;
61
62 case LED_PIN_GPIO0:
63 default:
64 break;
65 }
66
67 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
68 "In SwLedOn, LedAddr:%X LEDPIN=%d\n",
69 ledreg, pled->ledpin);
70
71 ledcfg = rtl_read_byte(rtlpriv, ledreg);
72 ledcfg |= BIT(5); /*Set 0x4c[21]*/
73 ledcfg &= ~(BIT(7) | BIT(6) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
74 /*Clear 0x4c[23:22] and 0x4c[19:16]*/
75 rtl_write_byte(rtlpriv, ledreg, ledcfg); /*SW control led0 on.*/
76 pled->ledon = true;
77 }
78
rtl8821ae_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)79 void rtl8821ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
80 {
81 struct rtl_priv *rtlpriv = rtl_priv(hw);
82 u8 ledcfg;
83
84 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
85 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
86
87 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
88
89 switch (pled->ledpin) {
90 case LED_PIN_GPIO0:
91 break;
92 case LED_PIN_LED0:
93 ledcfg &= 0xf0;
94 if (rtlpriv->ledctl.led_opendrain) {
95 ledcfg &= 0x90; /* Set to software control. */
96 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
97 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
98 ledcfg &= 0xFE;
99 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
100 } else {
101 ledcfg &= ~BIT(6);
102 rtl_write_byte(rtlpriv, REG_LEDCFG2,
103 (ledcfg | BIT(3) | BIT(5)));
104 }
105 break;
106 case LED_PIN_LED1:
107 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
108 ledcfg &= 0x10; /* Set to software control. */
109 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
110 break;
111 default:
112 rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
113 "switch case %#x not processed\n", pled->ledpin);
114 break;
115 }
116 pled->ledon = false;
117 }
118
rtl8812ae_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)119 void rtl8812ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
120 {
121 u16 ledreg = REG_LEDCFG1;
122 struct rtl_priv *rtlpriv = rtl_priv(hw);
123
124 switch (pled->ledpin) {
125 case LED_PIN_LED0:
126 ledreg = REG_LEDCFG1;
127 break;
128
129 case LED_PIN_LED1:
130 ledreg = REG_LEDCFG2;
131 break;
132
133 case LED_PIN_GPIO0:
134 default:
135 break;
136 }
137
138 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
139 "In SwLedOff,LedAddr:%X LEDPIN=%d\n",
140 ledreg, pled->ledpin);
141 /*Open-drain arrangement for controlling the LED*/
142 if (rtlpriv->ledctl.led_opendrain) {
143 u8 ledcfg = rtl_read_byte(rtlpriv, ledreg);
144
145 ledreg &= 0xd0; /* Set to software control.*/
146 rtl_write_byte(rtlpriv, ledreg, (ledcfg | BIT(3)));
147
148 /*Open-drain arrangement*/
149 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
150 ledcfg &= 0xFE;/*Set GPIO[8] to input mode*/
151 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
152 } else {
153 rtl_write_byte(rtlpriv, ledreg, 0x28);
154 }
155
156 pled->ledon = false;
157 }
158
rtl8821ae_init_sw_leds(struct ieee80211_hw * hw)159 void rtl8821ae_init_sw_leds(struct ieee80211_hw *hw)
160 {
161 struct rtl_priv *rtlpriv = rtl_priv(hw);
162
163 _rtl8821ae_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
164 _rtl8821ae_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
165 }
166
_rtl8821ae_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)167 static void _rtl8821ae_sw_led_control(struct ieee80211_hw *hw,
168 enum led_ctl_mode ledaction)
169 {
170 struct rtl_priv *rtlpriv = rtl_priv(hw);
171 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
172 struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
173
174 switch (ledaction) {
175 case LED_CTL_POWER_ON:
176 case LED_CTL_LINK:
177 case LED_CTL_NO_LINK:
178 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
179 rtl8812ae_sw_led_on(hw, pled0);
180 else
181 rtl8821ae_sw_led_on(hw, pled0);
182 break;
183 case LED_CTL_POWER_OFF:
184 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
185 rtl8812ae_sw_led_off(hw, pled0);
186 else
187 rtl8821ae_sw_led_off(hw, pled0);
188 break;
189 default:
190 break;
191 }
192 }
193
rtl8821ae_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)194 void rtl8821ae_led_control(struct ieee80211_hw *hw,
195 enum led_ctl_mode ledaction)
196 {
197 struct rtl_priv *rtlpriv = rtl_priv(hw);
198 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
199
200 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
201 (ledaction == LED_CTL_TX ||
202 ledaction == LED_CTL_RX ||
203 ledaction == LED_CTL_SITE_SURVEY ||
204 ledaction == LED_CTL_LINK ||
205 ledaction == LED_CTL_NO_LINK ||
206 ledaction == LED_CTL_START_TO_LINK ||
207 ledaction == LED_CTL_POWER_ON)) {
208 return;
209 }
210 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
211 ledaction);
212 _rtl8821ae_sw_led_control(hw, ledaction);
213 }
214