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
rtl92se_sw_led_on(struct ieee80211_hw * hw,enum rtl_led_pin pin)9 void rtl92se_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 LEDCFG, pin);
16
17 ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
18
19 switch (pin) {
20 case LED_PIN_GPIO0:
21 break;
22 case LED_PIN_LED0:
23 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0);
24 break;
25 case LED_PIN_LED1:
26 rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f);
27 break;
28 default:
29 pr_err("switch case %#x not processed\n", pin);
30 break;
31 }
32 }
33
rtl92se_sw_led_off(struct ieee80211_hw * hw,enum rtl_led_pin pin)34 void rtl92se_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
35 {
36 struct rtl_priv *rtlpriv;
37 u8 ledcfg;
38
39 rtlpriv = rtl_priv(hw);
40 if (!rtlpriv || rtlpriv->max_fw_size)
41 return;
42 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
43 LEDCFG, pin);
44
45 ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
46
47 switch (pin) {
48 case LED_PIN_GPIO0:
49 break;
50 case LED_PIN_LED0:
51 ledcfg &= 0xf0;
52 if (rtlpriv->ledctl.led_opendrain)
53 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
54 else
55 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
56 break;
57 case LED_PIN_LED1:
58 ledcfg &= 0x0f;
59 rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
60 break;
61 default:
62 pr_err("switch case %#x not processed\n", pin);
63 break;
64 }
65 }
66
_rtl92se_sw_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)67 static void _rtl92se_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 rtl92se_sw_led_on(hw, pin0);
78 break;
79 case LED_CTL_POWER_OFF:
80 rtl92se_sw_led_off(hw, pin0);
81 break;
82 default:
83 break;
84 }
85 }
86
rtl92se_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)87 void rtl92se_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
88 {
89 struct rtl_priv *rtlpriv = rtl_priv(hw);
90 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
91
92 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
93 (ledaction == LED_CTL_TX ||
94 ledaction == LED_CTL_RX ||
95 ledaction == LED_CTL_SITE_SURVEY ||
96 ledaction == LED_CTL_LINK ||
97 ledaction == LED_CTL_NO_LINK ||
98 ledaction == LED_CTL_START_TO_LINK ||
99 ledaction == LED_CTL_POWER_ON)) {
100 return;
101 }
102 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
103
104 _rtl92se_sw_led_control(hw, ledaction);
105 }
106
107