1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2014  Realtek Corporation.*/
3
4#include "../wifi.h"
5#include "../pci.h"
6#include "reg.h"
7#include "led.h"
8
9void rtl8723be_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,
15		"LedAddr:%X ledpin=%d\n", 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		ledcfg &= ~BIT(6);
23		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
24		break;
25	case LED_PIN_LED1:
26		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
27		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
28		break;
29	default:
30		pr_err("switch case %#x not processed\n", pin);
31		break;
32	}
33}
34
35void rtl8723be_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,
41		"LedAddr:%X ledpin=%d\n", 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			ledcfg &= 0x90; /* Set to software control. */
52			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
53			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
54			ledcfg &= 0xFE;
55			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
56		} else {
57			ledcfg &= ~BIT(6);
58			rtl_write_byte(rtlpriv, REG_LEDCFG2,
59				       (ledcfg | BIT(3) | BIT(5)));
60		}
61		break;
62	case LED_PIN_LED1:
63		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
64		ledcfg &= 0x10; /* Set to software control. */
65		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
66
67		break;
68	default:
69		pr_err("switch case %#x not processed\n", pin);
70		break;
71	}
72}
73
74static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw,
75				      enum led_ctl_mode ledaction)
76{
77	struct rtl_priv *rtlpriv = rtl_priv(hw);
78	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
79
80	switch (ledaction) {
81	case LED_CTL_POWER_ON:
82	case LED_CTL_LINK:
83	case LED_CTL_NO_LINK:
84		rtl8723be_sw_led_on(hw, pin0);
85		break;
86	case LED_CTL_POWER_OFF:
87		rtl8723be_sw_led_off(hw, pin0);
88		break;
89	default:
90		break;
91	}
92}
93
94void rtl8723be_led_control(struct ieee80211_hw *hw,
95			   enum led_ctl_mode ledaction)
96{
97	struct rtl_priv *rtlpriv = rtl_priv(hw);
98	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
99
100	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
101	    (ledaction == LED_CTL_TX ||
102	     ledaction == LED_CTL_RX ||
103	     ledaction == LED_CTL_SITE_SURVEY ||
104	     ledaction == LED_CTL_LINK ||
105	     ledaction == LED_CTL_NO_LINK ||
106	     ledaction == LED_CTL_START_TO_LINK ||
107	     ledaction == LED_CTL_POWER_ON)) {
108		return;
109	}
110	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
111	_rtl8723be_sw_led_control(hw, ledaction);
112}
113