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 (2883B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright(c) 2009-2014  Realtek Corporation.*/
      3
      4#include "../wifi.h"
      5#include "../pci.h"
      6#include "reg.h"
      7#include "led.h"
      8
      9static void _rtl92ee_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 rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
     18{
     19	u32 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_dword(rtlpriv , REG_GPIO_PIN_CTRL);
     30		ledcfg &= ~BIT(13);
     31		ledcfg |= BIT(21);
     32		ledcfg &= ~BIT(29);
     33
     34		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
     35
     36		break;
     37	case LED_PIN_LED1:
     38
     39		break;
     40	default:
     41		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
     42			"switch case %#x not processed\n", pled->ledpin);
     43		break;
     44	}
     45	pled->ledon = true;
     46}
     47
     48void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
     49{
     50	struct rtl_priv *rtlpriv = rtl_priv(hw);
     51	u32 ledcfg;
     52
     53	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
     54		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
     55
     56	switch (pled->ledpin) {
     57	case LED_PIN_GPIO0:
     58		break;
     59	case LED_PIN_LED0:
     60
     61		ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
     62		ledcfg |= ~BIT(21);
     63		ledcfg &= ~BIT(29);
     64		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
     65
     66		break;
     67	case LED_PIN_LED1:
     68
     69		break;
     70	default:
     71		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
     72			"switch case %#x not processed\n", pled->ledpin);
     73		break;
     74	}
     75	pled->ledon = false;
     76}
     77
     78void rtl92ee_init_sw_leds(struct ieee80211_hw *hw)
     79{
     80	struct rtl_priv *rtlpriv = rtl_priv(hw);
     81
     82	_rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
     83	_rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
     84}
     85
     86static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
     87				    enum led_ctl_mode ledaction)
     88{
     89	struct rtl_priv *rtlpriv = rtl_priv(hw);
     90	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
     91
     92	switch (ledaction) {
     93	case LED_CTL_POWER_ON:
     94	case LED_CTL_LINK:
     95	case LED_CTL_NO_LINK:
     96		rtl92ee_sw_led_on(hw, pled0);
     97		break;
     98	case LED_CTL_POWER_OFF:
     99		rtl92ee_sw_led_off(hw, pled0);
    100		break;
    101	default:
    102		break;
    103	}
    104}
    105
    106void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
    107{
    108	struct rtl_priv *rtlpriv = rtl_priv(hw);
    109	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
    110
    111	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
    112	    (ledaction == LED_CTL_TX ||
    113	     ledaction == LED_CTL_RX ||
    114	     ledaction == LED_CTL_SITE_SURVEY ||
    115	     ledaction == LED_CTL_LINK ||
    116	     ledaction == LED_CTL_NO_LINK ||
    117	     ledaction == LED_CTL_START_TO_LINK ||
    118	     ledaction == LED_CTL_POWER_ON)) {
    119		return;
    120	}
    121	rtl_dbg(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
    122	_rtl92ee_sw_led_control(hw, ledaction);
    123}