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 rtl92ce_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	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
18
19	switch (pin) {
20	case LED_PIN_GPIO0:
21		break;
22	case LED_PIN_LED0:
23		rtl_write_byte(rtlpriv,
24			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
25		break;
26	case LED_PIN_LED1:
27		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
28		break;
29	default:
30		pr_err("switch case %#x not processed\n", pin);
31		break;
32	}
33}
34
35void rtl92ce_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
36{
37	struct rtl_priv *rtlpriv = rtl_priv(hw);
38	u8 ledcfg;
39
40	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
41		REG_LEDCFG2, pin);
42
43	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
44
45	switch (pin) {
46	case LED_PIN_GPIO0:
47		break;
48	case LED_PIN_LED0:
49		ledcfg &= 0xf0;
50		if (rtlpriv->ledctl.led_opendrain)
51			rtl_write_byte(rtlpriv, REG_LEDCFG2,
52				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
53		else
54			rtl_write_byte(rtlpriv, REG_LEDCFG2,
55				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
56		break;
57	case LED_PIN_LED1:
58		ledcfg &= 0x0f;
59		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
60		break;
61	default:
62		pr_info("switch case %#x not processed\n", pin);
63		break;
64	}
65}
66
67static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
68				    enum led_ctl_mode ledaction)
69{
70	struct rtl_priv *rtlpriv = rtl_priv(hw);
71	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
72
73	switch (ledaction) {
74	case LED_CTL_POWER_ON:
75	case LED_CTL_LINK:
76	case LED_CTL_NO_LINK:
77		rtl92ce_sw_led_on(hw, pin0);
78		break;
79	case LED_CTL_POWER_OFF:
80		rtl92ce_sw_led_off(hw, pin0);
81		break;
82	default:
83		break;
84	}
85}
86
87void rtl92ce_led_control(struct ieee80211_hw *hw,
88			enum led_ctl_mode ledaction)
89{
90	struct rtl_priv *rtlpriv = rtl_priv(hw);
91	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
92
93	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
94	    (ledaction == LED_CTL_TX ||
95	     ledaction == LED_CTL_RX ||
96	     ledaction == LED_CTL_SITE_SURVEY ||
97	     ledaction == LED_CTL_LINK ||
98	     ledaction == LED_CTL_NO_LINK ||
99	     ledaction == LED_CTL_START_TO_LINK ||
100	     ledaction == LED_CTL_POWER_ON)) {
101		return;
102	}
103	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n",
104		ledaction);
105	_rtl92ce_sw_led_control(hw, ledaction);
106}
107