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 rtl8723e_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,
24			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
25		break;
26	case LED_PIN_LED1:
27		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
28		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
29		break;
30	default:
31		pr_err("switch case %#x not processed\n", pin);
32		break;
33	}
34}
35
36void rtl8723e_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
37{
38	struct rtl_priv *rtlpriv = rtl_priv(hw);
39	u8 ledcfg;
40
41	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
42		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
43
44	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
45
46	switch (pin) {
47	case LED_PIN_GPIO0:
48		break;
49	case LED_PIN_LED0:
50		ledcfg &= 0xf0;
51		if (rtlpriv->ledctl.led_opendrain) {
52			ledcfg &= 0x90; /* Set to software control. */
53			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
54			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
55			ledcfg &= 0xFE;
56			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
57		} else {
58			ledcfg &= ~BIT(6);
59			rtl_write_byte(rtlpriv, REG_LEDCFG2,
60					(ledcfg | BIT(3) | BIT(5)));
61		}
62		break;
63	case LED_PIN_LED1:
64		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
65		ledcfg &= 0x10; /* Set to software control. */
66		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
67
68		break;
69	default:
70		pr_err("switch case %#x not processed\n", pin);
71		break;
72	}
73}
74
75static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
76				     enum led_ctl_mode ledaction)
77{
78	struct rtl_priv *rtlpriv = rtl_priv(hw);
79	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
80
81	switch (ledaction) {
82	case LED_CTL_POWER_ON:
83	case LED_CTL_LINK:
84	case LED_CTL_NO_LINK:
85		rtl8723e_sw_led_on(hw, pin0);
86		break;
87	case LED_CTL_POWER_OFF:
88		rtl8723e_sw_led_off(hw, pin0);
89		break;
90	default:
91		break;
92	}
93}
94
95void rtl8723e_led_control(struct ieee80211_hw *hw,
96			  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",
112		ledaction);
113	_rtl8723e_sw_led_control(hw, ledaction);
114}
115