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
9static void _rtl8723e_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
17void rtl8723e_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,
32			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
33		break;
34	case LED_PIN_LED1:
35		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
36		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
37		break;
38	default:
39		pr_err("switch case %#x not processed\n",
40		       pled->ledpin);
41		break;
42	}
43	pled->ledon = true;
44}
45
46void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
47{
48	struct rtl_priv *rtlpriv = rtl_priv(hw);
49	u8 ledcfg;
50
51	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
52		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
53
54	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
55
56	switch (pled->ledpin) {
57	case LED_PIN_GPIO0:
58		break;
59	case LED_PIN_LED0:
60		ledcfg &= 0xf0;
61		if (rtlpriv->ledctl.led_opendrain) {
62			ledcfg &= 0x90; /* Set to software control. */
63			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
64			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
65			ledcfg &= 0xFE;
66			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
67		} else {
68			ledcfg &= ~BIT(6);
69			rtl_write_byte(rtlpriv, REG_LEDCFG2,
70					(ledcfg | BIT(3) | BIT(5)));
71		}
72		break;
73	case LED_PIN_LED1:
74		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
75		ledcfg &= 0x10; /* Set to software control. */
76		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
77
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
87void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
88{
89	struct rtl_priv *rtlpriv = rtl_priv(hw);
90
91	_rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
92	_rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
93}
94
95static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
96				     enum led_ctl_mode ledaction)
97{
98	struct rtl_priv *rtlpriv = rtl_priv(hw);
99	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
100
101	switch (ledaction) {
102	case LED_CTL_POWER_ON:
103	case LED_CTL_LINK:
104	case LED_CTL_NO_LINK:
105		rtl8723e_sw_led_on(hw, pled0);
106		break;
107	case LED_CTL_POWER_OFF:
108		rtl8723e_sw_led_off(hw, pled0);
109		break;
110	default:
111		break;
112	}
113}
114
115void rtl8723e_led_control(struct ieee80211_hw *hw,
116			  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",
132		ledaction);
133	_rtl8723e_sw_led_control(hw, ledaction);
134}
135