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
_rtl92ce_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9 static void _rtl92ce_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
rtl92ce_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)17 void rtl92ce_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, "LedAddr:%X ledpin=%d\n",
23 REG_LEDCFG2, pled->ledpin);
24
25 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
26
27 switch (pled->ledpin) {
28 case LED_PIN_GPIO0:
29 break;
30 case LED_PIN_LED0:
31 rtl_write_byte(rtlpriv,
32 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
33 break;
34 case LED_PIN_LED1:
35 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
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
rtl92ce_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)45 void rtl92ce_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 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
51 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 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_info("switch case %#x not processed\n", pled->ledpin);
73 break;
74 }
75 pled->ledon = false;
76 }
77
rtl92ce_init_sw_leds(struct ieee80211_hw * hw)78 void rtl92ce_init_sw_leds(struct ieee80211_hw *hw)
79 {
80 struct rtl_priv *rtlpriv = rtl_priv(hw);
81
82 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
83 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
84 }
85
_rtl92ce_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)86 static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
87 enum led_ctl_mode ledaction)
88 {
89 struct rtl_priv *rtlpriv = rtl_priv(hw);
90 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
91
92 switch (ledaction) {
93 case LED_CTL_POWER_ON:
94 case LED_CTL_LINK:
95 case LED_CTL_NO_LINK:
96 rtl92ce_sw_led_on(hw, pled0);
97 break;
98 case LED_CTL_POWER_OFF:
99 rtl92ce_sw_led_off(hw, pled0);
100 break;
101 default:
102 break;
103 }
104 }
105
rtl92ce_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)106 void rtl92ce_led_control(struct ieee80211_hw *hw,
107 enum led_ctl_mode ledaction)
108 {
109 struct rtl_priv *rtlpriv = rtl_priv(hw);
110 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
111
112 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
113 (ledaction == LED_CTL_TX ||
114 ledaction == LED_CTL_RX ||
115 ledaction == LED_CTL_SITE_SURVEY ||
116 ledaction == LED_CTL_LINK ||
117 ledaction == LED_CTL_NO_LINK ||
118 ledaction == LED_CTL_START_TO_LINK ||
119 ledaction == LED_CTL_POWER_ON)) {
120 return;
121 }
122 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n",
123 ledaction);
124 _rtl92ce_sw_led_control(hw, ledaction);
125 }
126