1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 2009-2010  Realtek Corporation.*/
3
4#include "../wifi.h"
5#include "../pci.h"
6#include "reg.h"
7#include "led.h"
8
9void rtl8821ae_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		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
32			"switch case %#x not processed\n", pin);
33		break;
34	}
35}
36
37void rtl8812ae_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin)
38{
39	u16	ledreg = REG_LEDCFG1;
40	u8	ledcfg = 0;
41	struct rtl_priv *rtlpriv = rtl_priv(hw);
42
43	switch (pin) {
44	case LED_PIN_LED0:
45		ledreg = REG_LEDCFG1;
46		break;
47
48	case LED_PIN_LED1:
49		ledreg = REG_LEDCFG2;
50		break;
51
52	case LED_PIN_GPIO0:
53	default:
54		break;
55	}
56
57	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
58		"In SwLedOn, LedAddr:%X LEDPIN=%d\n",
59		ledreg, pin);
60
61	ledcfg =  rtl_read_byte(rtlpriv, ledreg);
62	ledcfg |= BIT(5); /*Set 0x4c[21]*/
63	ledcfg &= ~(BIT(7) | BIT(6) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
64		/*Clear 0x4c[23:22] and 0x4c[19:16]*/
65	rtl_write_byte(rtlpriv, ledreg, ledcfg); /*SW control led0 on.*/
66}
67
68void rtl8821ae_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
69{
70	struct rtl_priv *rtlpriv = rtl_priv(hw);
71	u8 ledcfg;
72
73	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
74		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
75
76	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
77
78	switch (pin) {
79	case LED_PIN_GPIO0:
80		break;
81	case LED_PIN_LED0:
82		ledcfg &= 0xf0;
83		if (rtlpriv->ledctl.led_opendrain) {
84			ledcfg &= 0x90; /* Set to software control. */
85			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
86			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
87			ledcfg &= 0xFE;
88			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
89		} else {
90			ledcfg &= ~BIT(6);
91			rtl_write_byte(rtlpriv, REG_LEDCFG2,
92				       (ledcfg | BIT(3) | BIT(5)));
93		}
94		break;
95	case LED_PIN_LED1:
96		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
97		ledcfg &= 0x10; /* Set to software control. */
98		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
99		break;
100	default:
101		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
102			"switch case %#x not processed\n", pin);
103		break;
104	}
105}
106
107void rtl8812ae_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
108{
109	u16 ledreg = REG_LEDCFG1;
110	struct rtl_priv *rtlpriv = rtl_priv(hw);
111
112	switch (pin) {
113	case LED_PIN_LED0:
114		ledreg = REG_LEDCFG1;
115		break;
116
117	case LED_PIN_LED1:
118		ledreg = REG_LEDCFG2;
119		break;
120
121	case LED_PIN_GPIO0:
122	default:
123		break;
124	}
125
126	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
127		"In SwLedOff,LedAddr:%X LEDPIN=%d\n",
128		ledreg, pin);
129	/*Open-drain arrangement for controlling the LED*/
130	if (rtlpriv->ledctl.led_opendrain) {
131		u8 ledcfg = rtl_read_byte(rtlpriv, ledreg);
132
133		ledreg &= 0xd0; /* Set to software control.*/
134		rtl_write_byte(rtlpriv, ledreg, (ledcfg | BIT(3)));
135
136		/*Open-drain arrangement*/
137		ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
138		ledcfg &= 0xFE;/*Set GPIO[8] to input mode*/
139		rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
140	} else {
141		rtl_write_byte(rtlpriv, ledreg, 0x28);
142	}
143}
144
145static void _rtl8821ae_sw_led_control(struct ieee80211_hw *hw,
146				      enum led_ctl_mode ledaction)
147{
148	struct rtl_priv *rtlpriv = rtl_priv(hw);
149	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
150	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
151
152	switch (ledaction) {
153	case LED_CTL_POWER_ON:
154	case LED_CTL_LINK:
155	case LED_CTL_NO_LINK:
156		if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
157			rtl8812ae_sw_led_on(hw, pin0);
158		else
159			rtl8821ae_sw_led_on(hw, pin0);
160		break;
161	case LED_CTL_POWER_OFF:
162		if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
163			rtl8812ae_sw_led_off(hw, pin0);
164		else
165			rtl8821ae_sw_led_off(hw, pin0);
166		break;
167	default:
168		break;
169	}
170}
171
172void rtl8821ae_led_control(struct ieee80211_hw *hw,
173			   enum led_ctl_mode ledaction)
174{
175	struct rtl_priv *rtlpriv = rtl_priv(hw);
176	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
177
178	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
179	    (ledaction == LED_CTL_TX ||
180	     ledaction == LED_CTL_RX ||
181	     ledaction == LED_CTL_SITE_SURVEY ||
182	     ledaction == LED_CTL_LINK ||
183	     ledaction == LED_CTL_NO_LINK ||
184	     ledaction == LED_CTL_START_TO_LINK ||
185	     ledaction == LED_CTL_POWER_ON)) {
186		return;
187	}
188	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
189		ledaction);
190	_rtl8821ae_sw_led_control(hw, ledaction);
191}
192