115 lines · c
1// SPDX-License-Identifier: GPL-2.02/* 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 9void 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 to26 * make sure we could emit the led2. */27 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |28 BIT(7) | BIT(5) | BIT(6));29 else30 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 44void 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 else63 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 76static 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 96void 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