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
rtl92ce_sw_led_on(struct ieee80211_hw * hw,enum rtl_led_pin pin)9 void 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
rtl92ce_sw_led_off(struct ieee80211_hw * hw,enum rtl_led_pin pin)35 void 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
_rtl92ce_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)67 static 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
rtl92ce_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)87 void 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