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 "../rtl8192d/reg.h"
7 #include "led.h"
8
rtl92de_sw_led_on(struct ieee80211_hw * hw,enum rtl_led_pin pin)9 void 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
rtl92de_sw_led_off(struct ieee80211_hw * hw,enum rtl_led_pin pin)44 void 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
_rtl92ce_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)76 static 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
rtl92de_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)96 void 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