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
rtl92de_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)17 void rtl92de_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 switch (pled->ledpin) {
26 case LED_PIN_GPIO0:
27 break;
28 case LED_PIN_LED0:
29 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
30
31 if ((rtlpriv->efuse.eeprom_did == 0x8176) ||
32 (rtlpriv->efuse.eeprom_did == 0x8193))
33 /* BIT7 of REG_LEDCFG2 should be set to
34 * make sure we could emit the led2. */
35 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
36 BIT(7) | BIT(5) | BIT(6));
37 else
38 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
39 BIT(7) | BIT(5));
40 break;
41 case LED_PIN_LED1:
42 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
43
44 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
45 break;
46 default:
47 pr_err("switch case %#x not processed\n",
48 pled->ledpin);
49 break;
50 }
51 pled->ledon = true;
52 }
53
rtl92de_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)54 void rtl92de_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
55 {
56 struct rtl_priv *rtlpriv = rtl_priv(hw);
57 u8 ledcfg;
58
59 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
60 REG_LEDCFG2, pled->ledpin);
61
62 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
63
64 switch (pled->ledpin) {
65 case LED_PIN_GPIO0:
66 break;
67 case LED_PIN_LED0:
68 ledcfg &= 0xf0;
69 if (rtlpriv->ledctl.led_opendrain)
70 rtl_write_byte(rtlpriv, REG_LEDCFG2,
71 (ledcfg | BIT(1) | BIT(5) | BIT(6)));
72 else
73 rtl_write_byte(rtlpriv, REG_LEDCFG2,
74 (ledcfg | BIT(3) | BIT(5) | BIT(6)));
75 break;
76 case LED_PIN_LED1:
77 ledcfg &= 0x0f;
78 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
79 break;
80 default:
81 pr_err("switch case %#x not processed\n",
82 pled->ledpin);
83 break;
84 }
85 pled->ledon = false;
86 }
87
rtl92de_init_sw_leds(struct ieee80211_hw * hw)88 void rtl92de_init_sw_leds(struct ieee80211_hw *hw)
89 {
90 struct rtl_priv *rtlpriv = rtl_priv(hw);
91
92 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
93 _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
94 }
95
_rtl92ce_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)96 static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
97 enum led_ctl_mode ledaction)
98 {
99 struct rtl_priv *rtlpriv = rtl_priv(hw);
100 struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
101
102 switch (ledaction) {
103 case LED_CTL_POWER_ON:
104 case LED_CTL_LINK:
105 case LED_CTL_NO_LINK:
106 rtl92de_sw_led_on(hw, pled0);
107 break;
108 case LED_CTL_POWER_OFF:
109 rtl92de_sw_led_off(hw, pled0);
110 break;
111 default:
112 break;
113 }
114 }
115
rtl92de_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)116 void rtl92de_led_control(struct ieee80211_hw *hw, 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", ledaction);
132
133 _rtl92ce_sw_led_control(hw, ledaction);
134 }
135