1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2014 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../pci.h"
6 #include "reg.h"
7 #include "led.h"
8
rtl8723be_sw_led_on(struct ieee80211_hw * hw,enum rtl_led_pin pin)9 void rtl8723be_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin)
10 {
11 u8 ledcfg;
12 struct rtl_priv *rtlpriv = rtl_priv(hw);
13
14 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
15 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
16
17 switch (pin) {
18 case LED_PIN_GPIO0:
19 break;
20 case LED_PIN_LED0:
21 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
22 ledcfg &= ~BIT(6);
23 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
24 break;
25 case LED_PIN_LED1:
26 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
27 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
28 break;
29 default:
30 pr_err("switch case %#x not processed\n", pin);
31 break;
32 }
33 }
34
rtl8723be_sw_led_off(struct ieee80211_hw * hw,enum rtl_led_pin pin)35 void rtl8723be_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
36 {
37 struct rtl_priv *rtlpriv = rtl_priv(hw);
38 u8 ledcfg;
39
40 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
41 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
42
43 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
44
45 switch (pin) {
46 case LED_PIN_GPIO0:
47 break;
48 case LED_PIN_LED0:
49 ledcfg &= 0xf0;
50 if (rtlpriv->ledctl.led_opendrain) {
51 ledcfg &= 0x90; /* Set to software control. */
52 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
53 ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
54 ledcfg &= 0xFE;
55 rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
56 } else {
57 ledcfg &= ~BIT(6);
58 rtl_write_byte(rtlpriv, REG_LEDCFG2,
59 (ledcfg | BIT(3) | BIT(5)));
60 }
61 break;
62 case LED_PIN_LED1:
63 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
64 ledcfg &= 0x10; /* Set to software control. */
65 rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
66
67 break;
68 default:
69 pr_err("switch case %#x not processed\n", pin);
70 break;
71 }
72 }
73
_rtl8723be_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)74 static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw,
75 enum led_ctl_mode ledaction)
76 {
77 struct rtl_priv *rtlpriv = rtl_priv(hw);
78 enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
79
80 switch (ledaction) {
81 case LED_CTL_POWER_ON:
82 case LED_CTL_LINK:
83 case LED_CTL_NO_LINK:
84 rtl8723be_sw_led_on(hw, pin0);
85 break;
86 case LED_CTL_POWER_OFF:
87 rtl8723be_sw_led_off(hw, pin0);
88 break;
89 default:
90 break;
91 }
92 }
93
rtl8723be_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)94 void rtl8723be_led_control(struct ieee80211_hw *hw,
95 enum led_ctl_mode ledaction)
96 {
97 struct rtl_priv *rtlpriv = rtl_priv(hw);
98 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
99
100 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
101 (ledaction == LED_CTL_TX ||
102 ledaction == LED_CTL_RX ||
103 ledaction == LED_CTL_SITE_SURVEY ||
104 ledaction == LED_CTL_LINK ||
105 ledaction == LED_CTL_NO_LINK ||
106 ledaction == LED_CTL_START_TO_LINK ||
107 ledaction == LED_CTL_POWER_ON)) {
108 return;
109 }
110 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
111 _rtl8723be_sw_led_control(hw, ledaction);
112 }
113