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
_rtl92se_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9 static void _rtl92se_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
rtl92se_init_sw_leds(struct ieee80211_hw * hw)17 void rtl92se_init_sw_leds(struct ieee80211_hw *hw)
18 {
19 struct rtl_priv *rtlpriv = rtl_priv(hw);
20
21 _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
22 _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
23 }
24
rtl92se_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)25 void rtl92se_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
26 {
27 u8 ledcfg;
28 struct rtl_priv *rtlpriv = rtl_priv(hw);
29
30 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
31 LEDCFG, pled->ledpin);
32
33 ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
34
35 switch (pled->ledpin) {
36 case LED_PIN_GPIO0:
37 break;
38 case LED_PIN_LED0:
39 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0);
40 break;
41 case LED_PIN_LED1:
42 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f);
43 break;
44 default:
45 pr_err("switch case %#x not processed\n",
46 pled->ledpin);
47 break;
48 }
49 pled->ledon = true;
50 }
51
rtl92se_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)52 void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
53 {
54 struct rtl_priv *rtlpriv;
55 u8 ledcfg;
56
57 rtlpriv = rtl_priv(hw);
58 if (!rtlpriv || rtlpriv->max_fw_size)
59 return;
60 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
61 LEDCFG, pled->ledpin);
62
63 ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
64
65 switch (pled->ledpin) {
66 case LED_PIN_GPIO0:
67 break;
68 case LED_PIN_LED0:
69 ledcfg &= 0xf0;
70 if (rtlpriv->ledctl.led_opendrain)
71 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
72 else
73 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
74 break;
75 case LED_PIN_LED1:
76 ledcfg &= 0x0f;
77 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
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
_rtl92se_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)87 static void _rtl92se_sw_led_control(struct ieee80211_hw *hw,
88 enum led_ctl_mode ledaction)
89 {
90 struct rtl_priv *rtlpriv = rtl_priv(hw);
91 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
92
93 switch (ledaction) {
94 case LED_CTL_POWER_ON:
95 case LED_CTL_LINK:
96 case LED_CTL_NO_LINK:
97 rtl92se_sw_led_on(hw, pled0);
98 break;
99 case LED_CTL_POWER_OFF:
100 rtl92se_sw_led_off(hw, pled0);
101 break;
102 default:
103 break;
104 }
105 }
106
rtl92se_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)107 void rtl92se_led_control(struct ieee80211_hw *hw, 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", ledaction);
123
124 _rtl92se_sw_led_control(hw, ledaction);
125 }
126
127