xref: /OK3568_Linux_fs/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /* Copyright(c) 2009-2012  Realtek Corporation.*/
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #include "../wifi.h"
5*4882a593Smuzhiyun #include "../pci.h"
6*4882a593Smuzhiyun #include "reg.h"
7*4882a593Smuzhiyun #include "led.h"
8*4882a593Smuzhiyun 
_rtl8723e_init_led(struct ieee80211_hw * hw,struct rtl_led * pled,enum rtl_led_pin ledpin)9*4882a593Smuzhiyun static void _rtl8723e_init_led(struct ieee80211_hw *hw,
10*4882a593Smuzhiyun 			       struct rtl_led *pled, enum rtl_led_pin ledpin)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun 	pled->hw = hw;
13*4882a593Smuzhiyun 	pled->ledpin = ledpin;
14*4882a593Smuzhiyun 	pled->ledon = false;
15*4882a593Smuzhiyun }
16*4882a593Smuzhiyun 
rtl8723e_sw_led_on(struct ieee80211_hw * hw,struct rtl_led * pled)17*4882a593Smuzhiyun void rtl8723e_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun 	u8 ledcfg;
20*4882a593Smuzhiyun 	struct rtl_priv *rtlpriv = rtl_priv(hw);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
23*4882a593Smuzhiyun 		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	switch (pled->ledpin) {
26*4882a593Smuzhiyun 	case LED_PIN_GPIO0:
27*4882a593Smuzhiyun 		break;
28*4882a593Smuzhiyun 	case LED_PIN_LED0:
29*4882a593Smuzhiyun 		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
30*4882a593Smuzhiyun 		ledcfg &= ~BIT(6);
31*4882a593Smuzhiyun 		rtl_write_byte(rtlpriv,
32*4882a593Smuzhiyun 			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
33*4882a593Smuzhiyun 		break;
34*4882a593Smuzhiyun 	case LED_PIN_LED1:
35*4882a593Smuzhiyun 		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
36*4882a593Smuzhiyun 		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
37*4882a593Smuzhiyun 		break;
38*4882a593Smuzhiyun 	default:
39*4882a593Smuzhiyun 		pr_err("switch case %#x not processed\n",
40*4882a593Smuzhiyun 		       pled->ledpin);
41*4882a593Smuzhiyun 		break;
42*4882a593Smuzhiyun 	}
43*4882a593Smuzhiyun 	pled->ledon = true;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun 
rtl8723e_sw_led_off(struct ieee80211_hw * hw,struct rtl_led * pled)46*4882a593Smuzhiyun void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun 	struct rtl_priv *rtlpriv = rtl_priv(hw);
49*4882a593Smuzhiyun 	u8 ledcfg;
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun 	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
52*4882a593Smuzhiyun 		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun 	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun 	switch (pled->ledpin) {
57*4882a593Smuzhiyun 	case LED_PIN_GPIO0:
58*4882a593Smuzhiyun 		break;
59*4882a593Smuzhiyun 	case LED_PIN_LED0:
60*4882a593Smuzhiyun 		ledcfg &= 0xf0;
61*4882a593Smuzhiyun 		if (rtlpriv->ledctl.led_opendrain) {
62*4882a593Smuzhiyun 			ledcfg &= 0x90; /* Set to software control. */
63*4882a593Smuzhiyun 			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
64*4882a593Smuzhiyun 			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
65*4882a593Smuzhiyun 			ledcfg &= 0xFE;
66*4882a593Smuzhiyun 			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
67*4882a593Smuzhiyun 		} else {
68*4882a593Smuzhiyun 			ledcfg &= ~BIT(6);
69*4882a593Smuzhiyun 			rtl_write_byte(rtlpriv, REG_LEDCFG2,
70*4882a593Smuzhiyun 					(ledcfg | BIT(3) | BIT(5)));
71*4882a593Smuzhiyun 		}
72*4882a593Smuzhiyun 		break;
73*4882a593Smuzhiyun 	case LED_PIN_LED1:
74*4882a593Smuzhiyun 		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
75*4882a593Smuzhiyun 		ledcfg &= 0x10; /* Set to software control. */
76*4882a593Smuzhiyun 		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun 		break;
79*4882a593Smuzhiyun 	default:
80*4882a593Smuzhiyun 		pr_err("switch case %#x not processed\n",
81*4882a593Smuzhiyun 		       pled->ledpin);
82*4882a593Smuzhiyun 		break;
83*4882a593Smuzhiyun 	}
84*4882a593Smuzhiyun 	pled->ledon = false;
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun 
rtl8723e_init_sw_leds(struct ieee80211_hw * hw)87*4882a593Smuzhiyun void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
88*4882a593Smuzhiyun {
89*4882a593Smuzhiyun 	struct rtl_priv *rtlpriv = rtl_priv(hw);
90*4882a593Smuzhiyun 
91*4882a593Smuzhiyun 	_rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
92*4882a593Smuzhiyun 	_rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
93*4882a593Smuzhiyun }
94*4882a593Smuzhiyun 
_rtl8723e_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)95*4882a593Smuzhiyun static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
96*4882a593Smuzhiyun 				     enum led_ctl_mode ledaction)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun 	struct rtl_priv *rtlpriv = rtl_priv(hw);
99*4882a593Smuzhiyun 	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
100*4882a593Smuzhiyun 
101*4882a593Smuzhiyun 	switch (ledaction) {
102*4882a593Smuzhiyun 	case LED_CTL_POWER_ON:
103*4882a593Smuzhiyun 	case LED_CTL_LINK:
104*4882a593Smuzhiyun 	case LED_CTL_NO_LINK:
105*4882a593Smuzhiyun 		rtl8723e_sw_led_on(hw, pled0);
106*4882a593Smuzhiyun 		break;
107*4882a593Smuzhiyun 	case LED_CTL_POWER_OFF:
108*4882a593Smuzhiyun 		rtl8723e_sw_led_off(hw, pled0);
109*4882a593Smuzhiyun 		break;
110*4882a593Smuzhiyun 	default:
111*4882a593Smuzhiyun 		break;
112*4882a593Smuzhiyun 	}
113*4882a593Smuzhiyun }
114*4882a593Smuzhiyun 
rtl8723e_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)115*4882a593Smuzhiyun void rtl8723e_led_control(struct ieee80211_hw *hw,
116*4882a593Smuzhiyun 			  enum led_ctl_mode ledaction)
117*4882a593Smuzhiyun {
118*4882a593Smuzhiyun 	struct rtl_priv *rtlpriv = rtl_priv(hw);
119*4882a593Smuzhiyun 	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
120*4882a593Smuzhiyun 
121*4882a593Smuzhiyun 	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
122*4882a593Smuzhiyun 	    (ledaction == LED_CTL_TX ||
123*4882a593Smuzhiyun 	     ledaction == LED_CTL_RX ||
124*4882a593Smuzhiyun 	     ledaction == LED_CTL_SITE_SURVEY ||
125*4882a593Smuzhiyun 	     ledaction == LED_CTL_LINK ||
126*4882a593Smuzhiyun 	     ledaction == LED_CTL_NO_LINK ||
127*4882a593Smuzhiyun 	     ledaction == LED_CTL_START_TO_LINK ||
128*4882a593Smuzhiyun 	     ledaction == LED_CTL_POWER_ON)) {
129*4882a593Smuzhiyun 		return;
130*4882a593Smuzhiyun 	}
131*4882a593Smuzhiyun 	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
132*4882a593Smuzhiyun 		ledaction);
133*4882a593Smuzhiyun 	_rtl8723e_sw_led_control(hw, ledaction);
134*4882a593Smuzhiyun }
135