1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../pci.h"
6 #include "reg.h"
7 #include "led.h"
8
_rtl8723e_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9 static void _rtl8723e_init_led(struct ieee80211_hw *hw,
10 struct rtl_led *pled, enum rtl_led_pin ledpin)
11 {
12 pled->hw = hw;
13 pled->ledpin = ledpin;
14 pled->ledon = false;
15 }
16
rtl8723e_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)17 void rtl8723e_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 rtl_dbg(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,
32 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
33 break;
34 case LED_PIN_LED1:
35 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
36 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
37 break;
38 default:
39 pr_err("switch case %#x not processed\n",
40 pled->ledpin);
41 break;
42 }
43 pled->ledon = true;
44 }
45
rtl8723e_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)46 void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
47 {
48 struct rtl_priv *rtlpriv = rtl_priv(hw);
49 u8 ledcfg;
50
51 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
52 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
53
54 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
55
56 switch (pled->ledpin) {
57 case LED_PIN_GPIO0:
58 break;
59 case LED_PIN_LED0:
60 ledcfg &= 0xf0;
61 if (rtlpriv->ledctl.led_opendrain) {
62 ledcfg &= 0x90; /* Set to software control. */
63 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
64 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
65 ledcfg &= 0xFE;
66 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
67 } else {
68 ledcfg &= ~BIT(6);
69 rtl_write_byte(rtlpriv, REG_LEDCFG2,
70 (ledcfg | BIT(3) | BIT(5)));
71 }
72 break;
73 case LED_PIN_LED1:
74 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
75 ledcfg &= 0x10; /* Set to software control. */
76 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
77
78 break;
79 default:
80 pr_err("switch case %#x not processed\n",
81 pled->ledpin);
82 break;
83 }
84 pled->ledon = false;
85 }
86
rtl8723e_init_sw_leds(struct ieee80211_hw * hw)87 void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
88 {
89 struct rtl_priv *rtlpriv = rtl_priv(hw);
90
91 _rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
92 _rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
93 }
94
_rtl8723e_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)95 static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
96 enum led_ctl_mode ledaction)
97 {
98 struct rtl_priv *rtlpriv = rtl_priv(hw);
99 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
100
101 switch (ledaction) {
102 case LED_CTL_POWER_ON:
103 case LED_CTL_LINK:
104 case LED_CTL_NO_LINK:
105 rtl8723e_sw_led_on(hw, pled0);
106 break;
107 case LED_CTL_POWER_OFF:
108 rtl8723e_sw_led_off(hw, pled0);
109 break;
110 default:
111 break;
112 }
113 }
114
rtl8723e_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)115 void rtl8723e_led_control(struct ieee80211_hw *hw,
116 enum led_ctl_mode ledaction)
117 {
118 struct rtl_priv *rtlpriv = rtl_priv(hw);
119 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
120
121 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
122 (ledaction == LED_CTL_TX ||
123 ledaction == LED_CTL_RX ||
124 ledaction == LED_CTL_SITE_SURVEY ||
125 ledaction == LED_CTL_LINK ||
126 ledaction == LED_CTL_NO_LINK ||
127 ledaction == LED_CTL_START_TO_LINK ||
128 ledaction == LED_CTL_POWER_ON)) {
129 return;
130 }
131 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
132 ledaction);
133 _rtl8723e_sw_led_control(hw, ledaction);
134 }
135