1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2009-2012 Realtek Corporation.*/
3
4 #include "../wifi.h"
5 #include "../usb.h"
6 #include "reg.h"
7 #include "led.h"
8
rtl92cu_sw_led_on(struct ieee80211_hw * hw,enum rtl_led_pin pin)9 void rtl92cu_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 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
17 switch (pin) {
18 case LED_PIN_GPIO0:
19 break;
20 case LED_PIN_LED0:
21 rtl_write_byte(rtlpriv,
22 REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
23 break;
24 case LED_PIN_LED1:
25 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
26 break;
27 default:
28 pr_err("switch case %#x not processed\n", pin);
29 break;
30 }
31 }
32
rtl92cu_sw_led_off(struct ieee80211_hw * hw,enum rtl_led_pin pin)33 void rtl92cu_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
34 {
35 struct rtl_priv *rtlpriv = rtl_priv(hw);
36 u8 ledcfg;
37
38 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
39 REG_LEDCFG2, pin);
40 ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
41 switch (pin) {
42 case LED_PIN_GPIO0:
43 break;
44 case LED_PIN_LED0:
45 ledcfg &= 0xf0;
46 if (rtlpriv->ledctl.led_opendrain)
47 rtl_write_byte(rtlpriv, REG_LEDCFG2,
48 (ledcfg | BIT(1) | BIT(5) | BIT(6)));
49 else
50 rtl_write_byte(rtlpriv, REG_LEDCFG2,
51 (ledcfg | BIT(3) | BIT(5) | BIT(6)));
52 break;
53 case LED_PIN_LED1:
54 ledcfg &= 0x0f;
55 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
56 break;
57 default:
58 pr_err("switch case %#x not processed\n", pin);
59 break;
60 }
61 }
62
rtl92cu_led_control(struct ieee80211_hw * hw,enum led_ctl_mode ledaction)63 void rtl92cu_led_control(struct ieee80211_hw *hw,
64 enum led_ctl_mode ledaction)
65 {
66 struct rtl_priv *rtlpriv = rtl_priv(hw);
67 struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
68
69 if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
70 (ledaction == LED_CTL_TX ||
71 ledaction == LED_CTL_RX ||
72 ledaction == LED_CTL_SITE_SURVEY ||
73 ledaction == LED_CTL_LINK ||
74 ledaction == LED_CTL_NO_LINK ||
75 ledaction == LED_CTL_START_TO_LINK ||
76 ledaction == LED_CTL_POWER_ON)) {
77 return;
78 }
79 rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
80 }
81