1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2014 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../pci.h"
6 #include "reg.h"
7 #include "led.h"
8
_rtl8723be_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9 static void _rtl8723be_init_led(struct ieee80211_hw *hw, struct rtl_led *pled,
10 enum rtl_led_pin ledpin)
11 {
12 pled->hw = hw;
13 pled->ledpin = ledpin;
14 pled->ledon = false;
15 }
16
rtl8723be_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)17 void rtl8723be_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
18 {
19 u8 ledcfg;
20 struct rtl_priv *rtlpriv = rtl_priv(hw);
21
22 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
23 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
24
25 switch (pled->ledpin) {
26 case LED_PIN_GPIO0:
27 break;
28 case LED_PIN_LED0:
29 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
30 ledcfg &= ~BIT(6);
31 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
32 break;
33 case LED_PIN_LED1:
34 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
35 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
36 break;
37 default:
38 pr_err("switch case %#x not processed\n",
39 pled->ledpin);
40 break;
41 }
42 pled->ledon = true;
43 }
44
rtl8723be_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)45 void rtl8723be_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
46 {
47 struct rtl_priv *rtlpriv = rtl_priv(hw);
48 u8 ledcfg;
49
50 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
51 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
52
53 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
54
55 switch (pled->ledpin) {
56 case LED_PIN_GPIO0:
57 break;
58 case LED_PIN_LED0:
59 ledcfg &= 0xf0;
60 if (rtlpriv->ledctl.led_opendrain) {
61 ledcfg &= 0x90; /* Set to software control. */
62 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
63 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
64 ledcfg &= 0xFE;
65 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
66 } else {
67 ledcfg &= ~BIT(6);
68 rtl_write_byte(rtlpriv, REG_LEDCFG2,
69 (ledcfg | BIT(3) | BIT(5)));
70 }
71 break;
72 case LED_PIN_LED1:
73 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
74 ledcfg &= 0x10; /* Set to software control. */
75 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
76
77 break;
78 default:
79 pr_err("switch case %#x not processed\n",
80 pled->ledpin);
81 break;
82 }
83 pled->ledon = false;
84 }
85
rtl8723be_init_sw_leds(struct ieee80211_hw * hw)86 void rtl8723be_init_sw_leds(struct ieee80211_hw *hw)
87 {
88 struct rtl_priv *rtlpriv = rtl_priv(hw);
89
90 _rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
91 _rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
92 }
93
_rtl8723be_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)94 static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw,
95 enum led_ctl_mode ledaction)
96 {
97 struct rtl_priv *rtlpriv = rtl_priv(hw);
98 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
99
100 switch (ledaction) {
101 case LED_CTL_POWER_ON:
102 case LED_CTL_LINK:
103 case LED_CTL_NO_LINK:
104 rtl8723be_sw_led_on(hw, pled0);
105 break;
106 case LED_CTL_POWER_OFF:
107 rtl8723be_sw_led_off(hw, pled0);
108 break;
109 default:
110 break;
111 }
112 }
113
rtl8723be_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)114 void rtl8723be_led_control(struct ieee80211_hw *hw,
115 enum led_ctl_mode ledaction)
116 {
117 struct rtl_priv *rtlpriv = rtl_priv(hw);
118 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
119
120 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
121 (ledaction == LED_CTL_TX ||
122 ledaction == LED_CTL_RX ||
123 ledaction == LED_CTL_SITE_SURVEY ||
124 ledaction == LED_CTL_LINK ||
125 ledaction == LED_CTL_NO_LINK ||
126 ledaction == LED_CTL_START_TO_LINK ||
127 ledaction == LED_CTL_POWER_ON)) {
128 return;
129 }
130 RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
131 _rtl8723be_sw_led_control(hw, ledaction);
132 }
133