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 _rtl92ce_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 rtl92ce_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, "LedAddr:%X ledpin=%d\n",
23		REG_LEDCFG2, pled->ledpin);
24
25	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
26
27	switch (pled->ledpin) {
28	case LED_PIN_GPIO0:
29		break;
30	case LED_PIN_LED0:
31		rtl_write_byte(rtlpriv,
32			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
33		break;
34	case LED_PIN_LED1:
35		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
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 rtl92ce_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, "LedAddr:%X ledpin=%d\n",
51		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			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_info("switch case %#x not processed\n", pled->ledpin);
73		break;
74	}
75	pled->ledon = false;
76}
77
78void rtl92ce_init_sw_leds(struct ieee80211_hw *hw)
79{
80	struct rtl_priv *rtlpriv = rtl_priv(hw);
81
82	_rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
83	_rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
84}
85
86static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
87				    enum led_ctl_mode ledaction)
88{
89	struct rtl_priv *rtlpriv = rtl_priv(hw);
90	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
91
92	switch (ledaction) {
93	case LED_CTL_POWER_ON:
94	case LED_CTL_LINK:
95	case LED_CTL_NO_LINK:
96		rtl92ce_sw_led_on(hw, pled0);
97		break;
98	case LED_CTL_POWER_OFF:
99		rtl92ce_sw_led_off(hw, pled0);
100		break;
101	default:
102		break;
103	}
104}
105
106void rtl92ce_led_control(struct ieee80211_hw *hw,
107			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",
123		ledaction);
124	_rtl92ce_sw_led_control(hw, ledaction);
125}
126