rtlwifi/rtl8188ee/led.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright(c) 2009-2013  Realtek Corporation.*/
0003
0004 #include "../wifi.h"
0005 #include "../pci.h"
0006 #include "reg.h"
0007 #include "led.h"
0008
0009 static void _rtl88ee_init_led(struct ieee80211_hw *hw,
0010                   struct rtl_led *pled, enum rtl_led_pin ledpin)
0011 {
0012     pled->hw = hw;
0013     pled->ledpin = ledpin;
0014     pled->ledon = false;
0015 }
0016
0017 void rtl88ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
0018 {
0019     u8 ledcfg;
0020     struct rtl_priv *rtlpriv = rtl_priv(hw);
0021
0022     rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
0023         "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
0024
0025     switch (pled->ledpin) {
0026     case LED_PIN_GPIO0:
0027         break;
0028     case LED_PIN_LED0:
0029         ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
0030         rtl_write_byte(rtlpriv,
0031                    REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
0032         break;
0033     case LED_PIN_LED1:
0034         ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
0035         rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
0036         break;
0037     default:
0038         rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
0039             "switch case %#x not processed\n", pled->ledpin);
0040         break;
0041     }
0042     pled->ledon = true;
0043 }
0044
0045 void rtl88ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
0046 {
0047     struct rtl_priv *rtlpriv = rtl_priv(hw);
0048     u8 ledcfg;
0049
0050     rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
0051         "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
0052
0053     switch (pled->ledpin) {
0054     case LED_PIN_GPIO0:
0055         break;
0056     case LED_PIN_LED0:
0057         ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
0058         ledcfg &= 0xf0;
0059         if (rtlpriv->ledctl.led_opendrain) {
0060             rtl_write_byte(rtlpriv, REG_LEDCFG2,
0061                        (ledcfg | BIT(3) | BIT(5) | BIT(6)));
0062             ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
0063             rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG,
0064                        (ledcfg & 0xFE));
0065         } else
0066             rtl_write_byte(rtlpriv, REG_LEDCFG2,
0067                        (ledcfg | BIT(3) | BIT(5) | BIT(6)));
0068         break;
0069     case LED_PIN_LED1:
0070         ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
0071         ledcfg &= 0x10;
0072         rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3)));
0073         break;
0074     default:
0075         rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
0076             "switch case %#x not processed\n", pled->ledpin);
0077         break;
0078     }
0079     pled->ledon = false;
0080 }
0081
0082 void rtl88ee_init_sw_leds(struct ieee80211_hw *hw)
0083 {
0084     struct rtl_priv *rtlpriv = rtl_priv(hw);
0085
0086     _rtl88ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
0087     _rtl88ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
0088 }
0089
0090 static void _rtl88ee_sw_led_control(struct ieee80211_hw *hw,
0091                     enum led_ctl_mode ledaction)
0092 {
0093     struct rtl_priv *rtlpriv = rtl_priv(hw);
0094     struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
0095
0096     switch (ledaction) {
0097     case LED_CTL_POWER_ON:
0098     case LED_CTL_LINK:
0099     case LED_CTL_NO_LINK:
0100         rtl88ee_sw_led_on(hw, pled0);
0101         break;
0102     case LED_CTL_POWER_OFF:
0103         rtl88ee_sw_led_off(hw, pled0);
0104         break;
0105     default:
0106         break;
0107     }
0108 }
0109
0110 void rtl88ee_led_control(struct ieee80211_hw *hw,
0111             enum led_ctl_mode ledaction)
0112 {
0113     struct rtl_priv *rtlpriv = rtl_priv(hw);
0114     struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
0115
0116     if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
0117         (ledaction == LED_CTL_TX ||
0118          ledaction == LED_CTL_RX ||
0119          ledaction == LED_CTL_SITE_SURVEY ||
0120          ledaction == LED_CTL_LINK ||
0121          ledaction == LED_CTL_NO_LINK ||
0122          ledaction == LED_CTL_START_TO_LINK ||
0123          ledaction == LED_CTL_POWER_ON)) {
0124         return;
0125     }
0126     rtl_dbg(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n",
0127         ledaction);
0128     _rtl88ee_sw_led_control(hw, ledaction);
0129 }