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
9void rtl92de_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin)
10{
11	u8 ledcfg;
12	struct rtl_priv *rtlpriv = rtl_priv(hw);
13
14	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
15		REG_LEDCFG2, pin);
16
17	switch (pin) {
18	case LED_PIN_GPIO0:
19		break;
20	case LED_PIN_LED0:
21		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
22
23		if ((rtlpriv->efuse.eeprom_did == 0x8176) ||
24			(rtlpriv->efuse.eeprom_did == 0x8193))
25			/* BIT7 of REG_LEDCFG2 should be set to
26			 * make sure we could emit the led2. */
27			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
28				       BIT(7) | BIT(5) | BIT(6));
29		else
30			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
31				       BIT(7) | BIT(5));
32		break;
33	case LED_PIN_LED1:
34		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
35
36		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
37		break;
38	default:
39		pr_err("switch case %#x not processed\n", pin);
40		break;
41	}
42}
43
44void rtl92de_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
45{
46	struct rtl_priv *rtlpriv = rtl_priv(hw);
47	u8 ledcfg;
48
49	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
50		REG_LEDCFG2, pin);
51
52	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
53
54	switch (pin) {
55	case LED_PIN_GPIO0:
56		break;
57	case LED_PIN_LED0:
58		ledcfg &= 0xf0;
59		if (rtlpriv->ledctl.led_opendrain)
60			rtl_write_byte(rtlpriv, REG_LEDCFG2,
61				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
62		else
63			rtl_write_byte(rtlpriv, REG_LEDCFG2,
64				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
65		break;
66	case LED_PIN_LED1:
67		ledcfg &= 0x0f;
68		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
69		break;
70	default:
71		pr_err("switch case %#x not processed\n", pin);
72		break;
73	}
74}
75
76static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
77				    enum led_ctl_mode ledaction)
78{
79	struct rtl_priv *rtlpriv = rtl_priv(hw);
80	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
81
82	switch (ledaction) {
83	case LED_CTL_POWER_ON:
84	case LED_CTL_LINK:
85	case LED_CTL_NO_LINK:
86		rtl92de_sw_led_on(hw, pin0);
87		break;
88	case LED_CTL_POWER_OFF:
89		rtl92de_sw_led_off(hw, pin0);
90		break;
91	default:
92		break;
93	}
94}
95
96void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
97{
98	struct rtl_priv *rtlpriv = rtl_priv(hw);
99	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
100
101	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
102	    (ledaction == LED_CTL_TX ||
103	     ledaction == LED_CTL_RX ||
104	     ledaction == LED_CTL_SITE_SURVEY ||
105	     ledaction == LED_CTL_LINK ||
106	     ledaction == LED_CTL_NO_LINK ||
107	     ledaction == LED_CTL_START_TO_LINK ||
108	     ledaction == LED_CTL_POWER_ON)) {
109		return;
110	}
111	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
112
113	_rtl92ce_sw_led_control(hw, ledaction);
114}
115