1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2012  Realtek Corporation.*/
3
4#include "../wifi.h"
5#include "../usb.h"
6#include "reg.h"
7#include "led.h"
8
9static void _rtl92cu_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
17static void rtl92cu_deinit_led(struct rtl_led *pled)
18{
19}
20
21void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
22{
23	u8 ledcfg;
24	struct rtl_priv *rtlpriv = rtl_priv(hw);
25
26	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
27		REG_LEDCFG2, pled->ledpin);
28	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
29	switch (pled->ledpin) {
30	case LED_PIN_GPIO0:
31		break;
32	case LED_PIN_LED0:
33		rtl_write_byte(rtlpriv,
34			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
35		break;
36	case LED_PIN_LED1:
37		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
38		break;
39	default:
40		pr_err("switch case %#x not processed\n",
41		       pled->ledpin);
42		break;
43	}
44	pled->ledon = true;
45}
46
47void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
48{
49	struct rtl_priv *rtlpriv = rtl_priv(hw);
50	u8 ledcfg;
51
52	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
53		REG_LEDCFG2, pled->ledpin);
54	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
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			rtl_write_byte(rtlpriv, REG_LEDCFG2,
62				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
63		else
64			rtl_write_byte(rtlpriv, REG_LEDCFG2,
65				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
66		break;
67	case LED_PIN_LED1:
68		ledcfg &= 0x0f;
69		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
70		break;
71	default:
72		pr_err("switch case %#x not processed\n",
73		       pled->ledpin);
74		break;
75	}
76	pled->ledon = false;
77}
78
79void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
80{
81	struct rtl_priv *rtlpriv = rtl_priv(hw);
82
83	_rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
84	_rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
85}
86
87void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
88{
89	struct rtl_priv *rtlpriv = rtl_priv(hw);
90
91	rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led0);
92	rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led1);
93}
94
95static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
96				    enum led_ctl_mode ledaction)
97{
98}
99
100void rtl92cu_led_control(struct ieee80211_hw *hw,
101			enum led_ctl_mode ledaction)
102{
103	struct rtl_priv *rtlpriv = rtl_priv(hw);
104	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
105
106	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
107	    (ledaction == LED_CTL_TX ||
108	     ledaction == LED_CTL_RX ||
109	     ledaction == LED_CTL_SITE_SURVEY ||
110	     ledaction == LED_CTL_LINK ||
111	     ledaction == LED_CTL_NO_LINK ||
112	     ledaction == LED_CTL_START_TO_LINK ||
113	     ledaction == LED_CTL_POWER_ON)) {
114		return;
115	}
116	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
117	_rtl92cu_sw_led_control(hw, ledaction);
118}
119