1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../usb.h"
6 #include "reg.h"
7 #include "led.h"
8
_rtl92cu_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9 static void _rtl92cu_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
rtl92cu_deinit_led(struct rtl_led * pled)17 static void rtl92cu_deinit_led(struct rtl_led *pled)
18 {
19 }
20
rtl92cu_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)21 void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
22 {
23 u8 ledcfg;
24 struct rtl_priv *rtlpriv = rtl_priv(hw);
25
26 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
27 REG_LEDCFG2, pled->ledpin);
28 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
29 switch (pled->ledpin) {
30 case LED_PIN_GPIO0:
31 break;
32 case LED_PIN_LED0:
33 rtl_write_byte(rtlpriv,
34 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
35 break;
36 case LED_PIN_LED1:
37 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
38 break;
39 default:
40 pr_err("switch case %#x not processed\n",
41 pled->ledpin);
42 break;
43 }
44 pled->ledon = true;
45 }
46
rtl92cu_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)47 void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
48 {
49 struct rtl_priv *rtlpriv = rtl_priv(hw);
50 u8 ledcfg;
51
52 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
53 REG_LEDCFG2, pled->ledpin);
54 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
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 rtl_write_byte(rtlpriv, REG_LEDCFG2,
62 (ledcfg | BIT(1) | BIT(5) | BIT(6)));
63 else
64 rtl_write_byte(rtlpriv, REG_LEDCFG2,
65 (ledcfg | BIT(3) | BIT(5) | BIT(6)));
66 break;
67 case LED_PIN_LED1:
68 ledcfg &= 0x0f;
69 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
70 break;
71 default:
72 pr_err("switch case %#x not processed\n",
73 pled->ledpin);
74 break;
75 }
76 pled->ledon = false;
77 }
78
rtl92cu_init_sw_leds(struct ieee80211_hw * hw)79 void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
80 {
81 struct rtl_priv *rtlpriv = rtl_priv(hw);
82
83 _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
84 _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
85 }
86
rtl92cu_deinit_sw_leds(struct ieee80211_hw * hw)87 void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
88 {
89 struct rtl_priv *rtlpriv = rtl_priv(hw);
90
91 rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led0);
92 rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led1);
93 }
94
_rtl92cu_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)95 static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
96 enum led_ctl_mode ledaction)
97 {
98 }
99
rtl92cu_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)100 void rtl92cu_led_control(struct ieee80211_hw *hw,
101 enum led_ctl_mode ledaction)
102 {
103 struct rtl_priv *rtlpriv = rtl_priv(hw);
104 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
105
106 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
107 (ledaction == LED_CTL_TX ||
108 ledaction == LED_CTL_RX ||
109 ledaction == LED_CTL_SITE_SURVEY ||
110 ledaction == LED_CTL_LINK ||
111 ledaction == LED_CTL_NO_LINK ||
112 ledaction == LED_CTL_START_TO_LINK ||
113 ledaction == LED_CTL_POWER_ON)) {
114 return;
115 }
116 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
117 _rtl92cu_sw_led_control(hw, ledaction);
118 }
119