cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

led.c (3334B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright(c) 2009-2013  Realtek Corporation.*/
      3
      4#include "../wifi.h"
      5#include "../pci.h"
      6#include "reg.h"
      7#include "led.h"
      8
      9static void _rtl88ee_init_led(struct ieee80211_hw *hw,
     10			      struct rtl_led *pled, enum rtl_led_pin ledpin)
     11{
     12	pled->hw = hw;
     13	pled->ledpin = ledpin;
     14	pled->ledon = false;
     15}
     16
     17void rtl88ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
     18{
     19	u8 ledcfg;
     20	struct rtl_priv *rtlpriv = rtl_priv(hw);
     21
     22	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
     23		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
     24
     25	switch (pled->ledpin) {
     26	case LED_PIN_GPIO0:
     27		break;
     28	case LED_PIN_LED0:
     29		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
     30		rtl_write_byte(rtlpriv,
     31			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
     32		break;
     33	case LED_PIN_LED1:
     34		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
     35		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
     36		break;
     37	default:
     38		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
     39			"switch case %#x not processed\n", pled->ledpin);
     40		break;
     41	}
     42	pled->ledon = true;
     43}
     44
     45void rtl88ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
     46{
     47	struct rtl_priv *rtlpriv = rtl_priv(hw);
     48	u8 ledcfg;
     49
     50	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
     51		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
     52
     53	switch (pled->ledpin) {
     54	case LED_PIN_GPIO0:
     55		break;
     56	case LED_PIN_LED0:
     57		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
     58		ledcfg &= 0xf0;
     59		if (rtlpriv->ledctl.led_opendrain) {
     60			rtl_write_byte(rtlpriv, REG_LEDCFG2,
     61				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
     62			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
     63			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG,
     64				       (ledcfg & 0xFE));
     65		} else
     66			rtl_write_byte(rtlpriv, REG_LEDCFG2,
     67				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
     68		break;
     69	case LED_PIN_LED1:
     70		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
     71		ledcfg &= 0x10;
     72		rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3)));
     73		break;
     74	default:
     75		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
     76			"switch case %#x not processed\n", pled->ledpin);
     77		break;
     78	}
     79	pled->ledon = false;
     80}
     81
     82void rtl88ee_init_sw_leds(struct ieee80211_hw *hw)
     83{
     84	struct rtl_priv *rtlpriv = rtl_priv(hw);
     85
     86	_rtl88ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
     87	_rtl88ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
     88}
     89
     90static void _rtl88ee_sw_led_control(struct ieee80211_hw *hw,
     91				    enum led_ctl_mode ledaction)
     92{
     93	struct rtl_priv *rtlpriv = rtl_priv(hw);
     94	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
     95
     96	switch (ledaction) {
     97	case LED_CTL_POWER_ON:
     98	case LED_CTL_LINK:
     99	case LED_CTL_NO_LINK:
    100		rtl88ee_sw_led_on(hw, pled0);
    101		break;
    102	case LED_CTL_POWER_OFF:
    103		rtl88ee_sw_led_off(hw, pled0);
    104		break;
    105	default:
    106		break;
    107	}
    108}
    109
    110void rtl88ee_led_control(struct ieee80211_hw *hw,
    111			enum led_ctl_mode ledaction)
    112{
    113	struct rtl_priv *rtlpriv = rtl_priv(hw);
    114	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
    115
    116	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
    117	    (ledaction == LED_CTL_TX ||
    118	     ledaction == LED_CTL_RX ||
    119	     ledaction == LED_CTL_SITE_SURVEY ||
    120	     ledaction == LED_CTL_LINK ||
    121	     ledaction == LED_CTL_NO_LINK ||
    122	     ledaction == LED_CTL_START_TO_LINK ||
    123	     ledaction == LED_CTL_POWER_ON)) {
    124		return;
    125	}
    126	rtl_dbg(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n",
    127		ledaction);
    128	_rtl88ee_sw_led_control(hw, ledaction);
    129}