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 _rtl92se_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 rtl92se_init_sw_leds(struct ieee80211_hw *hw)
18{
19	struct rtl_priv *rtlpriv = rtl_priv(hw);
20
21	_rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
22	_rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
23}
24
25void rtl92se_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
26{
27	u8 ledcfg;
28	struct rtl_priv *rtlpriv = rtl_priv(hw);
29
30	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
31		LEDCFG, pled->ledpin);
32
33	ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
34
35	switch (pled->ledpin) {
36	case LED_PIN_GPIO0:
37		break;
38	case LED_PIN_LED0:
39		rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0);
40		break;
41	case LED_PIN_LED1:
42		rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f);
43		break;
44	default:
45		pr_err("switch case %#x not processed\n",
46		       pled->ledpin);
47		break;
48	}
49	pled->ledon = true;
50}
51
52void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
53{
54	struct rtl_priv *rtlpriv;
55	u8 ledcfg;
56
57	rtlpriv = rtl_priv(hw);
58	if (!rtlpriv || rtlpriv->max_fw_size)
59		return;
60	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
61		LEDCFG, pled->ledpin);
62
63	ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
64
65	switch (pled->ledpin) {
66	case LED_PIN_GPIO0:
67		break;
68	case LED_PIN_LED0:
69		ledcfg &= 0xf0;
70		if (rtlpriv->ledctl.led_opendrain)
71			rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
72		else
73			rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
74		break;
75	case LED_PIN_LED1:
76		ledcfg &= 0x0f;
77		rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
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
87static void _rtl92se_sw_led_control(struct ieee80211_hw *hw,
88				    enum led_ctl_mode ledaction)
89{
90	struct rtl_priv *rtlpriv = rtl_priv(hw);
91	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
92
93	switch (ledaction) {
94	case LED_CTL_POWER_ON:
95	case LED_CTL_LINK:
96	case LED_CTL_NO_LINK:
97		rtl92se_sw_led_on(hw, pled0);
98		break;
99	case LED_CTL_POWER_OFF:
100		rtl92se_sw_led_off(hw, pled0);
101		break;
102	default:
103		break;
104	}
105}
106
107void rtl92se_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
108{
109	struct rtl_priv *rtlpriv = rtl_priv(hw);
110	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
111
112	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
113	    (ledaction == LED_CTL_TX ||
114	    ledaction == LED_CTL_RX ||
115	    ledaction == LED_CTL_SITE_SURVEY ||
116	    ledaction == LED_CTL_LINK ||
117	    ledaction == LED_CTL_NO_LINK ||
118	    ledaction == LED_CTL_START_TO_LINK ||
119	    ledaction == LED_CTL_POWER_ON)) {
120		return;
121	}
122	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
123
124	_rtl92se_sw_led_control(hw, ledaction);
125}
126
127