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
9static void _rtl8723be_init_led(struct ieee80211_hw *hw,  struct rtl_led *pled,
10				enum rtl_led_pin ledpin)
11{
12	pled->hw = hw;
13	pled->ledpin = ledpin;
14	pled->ledon = false;
15}
16
17void rtl8723be_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,
23		"LedAddr:%X ledpin=%d\n", 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		ledcfg &= ~BIT(6);
31		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
32		break;
33	case LED_PIN_LED1:
34		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
35		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
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
45void rtl8723be_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,
51		"LedAddr:%X ledpin=%d\n", 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			ledcfg &= 0x90; /* Set to software control. */
62			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
63			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
64			ledcfg &= 0xFE;
65			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
66		} else {
67			ledcfg &= ~BIT(6);
68			rtl_write_byte(rtlpriv, REG_LEDCFG2,
69				       (ledcfg | BIT(3) | BIT(5)));
70		}
71		break;
72	case LED_PIN_LED1:
73		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
74		ledcfg &= 0x10; /* Set to software control. */
75		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
76
77		break;
78	default:
79		pr_err("switch case %#x not processed\n",
80		       pled->ledpin);
81		break;
82	}
83	pled->ledon = false;
84}
85
86void rtl8723be_init_sw_leds(struct ieee80211_hw *hw)
87{
88	struct rtl_priv *rtlpriv = rtl_priv(hw);
89
90	_rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
91	_rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
92}
93
94static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw,
95				      enum led_ctl_mode ledaction)
96{
97	struct rtl_priv *rtlpriv = rtl_priv(hw);
98	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
99
100	switch (ledaction) {
101	case LED_CTL_POWER_ON:
102	case LED_CTL_LINK:
103	case LED_CTL_NO_LINK:
104		rtl8723be_sw_led_on(hw, pled0);
105		break;
106	case LED_CTL_POWER_OFF:
107		rtl8723be_sw_led_off(hw, pled0);
108		break;
109	default:
110		break;
111	}
112}
113
114void rtl8723be_led_control(struct ieee80211_hw *hw,
115			   enum led_ctl_mode ledaction)
116{
117	struct rtl_priv *rtlpriv = rtl_priv(hw);
118	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
119
120	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
121	    (ledaction == LED_CTL_TX ||
122	     ledaction == LED_CTL_RX ||
123	     ledaction == LED_CTL_SITE_SURVEY ||
124	     ledaction == LED_CTL_LINK ||
125	     ledaction == LED_CTL_NO_LINK ||
126	     ledaction == LED_CTL_START_TO_LINK ||
127	     ledaction == LED_CTL_POWER_ON)) {
128		return;
129	}
130	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
131	_rtl8723be_sw_led_control(hw, ledaction);
132}
133