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 (2997B)

      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
      9static void _rtl92cu_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
     17static void rtl92cu_deinit_led(struct rtl_led *pled)
     18{
     19}
     20
     21void rtl92cu_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
     22{
     23	u8 ledcfg;
     24	struct rtl_priv *rtlpriv = rtl_priv(hw);
     25
     26	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
     27		REG_LEDCFG2, pled->ledpin);
     28	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
     29	switch (pled->ledpin) {
     30	case LED_PIN_GPIO0:
     31		break;
     32	case LED_PIN_LED0:
     33		rtl_write_byte(rtlpriv,
     34			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
     35		break;
     36	case LED_PIN_LED1:
     37		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
     38		break;
     39	default:
     40		pr_err("switch case %#x not processed\n",
     41		       pled->ledpin);
     42		break;
     43	}
     44	pled->ledon = true;
     45}
     46
     47void rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
     48{
     49	struct rtl_priv *rtlpriv = rtl_priv(hw);
     50	u8 ledcfg;
     51
     52	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
     53		REG_LEDCFG2, pled->ledpin);
     54	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
     55	switch (pled->ledpin) {
     56	case LED_PIN_GPIO0:
     57		break;
     58	case LED_PIN_LED0:
     59		ledcfg &= 0xf0;
     60		if (rtlpriv->ledctl.led_opendrain)
     61			rtl_write_byte(rtlpriv, REG_LEDCFG2,
     62				       (ledcfg | BIT(1) | BIT(5) | BIT(6)));
     63		else
     64			rtl_write_byte(rtlpriv, REG_LEDCFG2,
     65				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
     66		break;
     67	case LED_PIN_LED1:
     68		ledcfg &= 0x0f;
     69		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
     70		break;
     71	default:
     72		pr_err("switch case %#x not processed\n",
     73		       pled->ledpin);
     74		break;
     75	}
     76	pled->ledon = false;
     77}
     78
     79void rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
     80{
     81	struct rtl_priv *rtlpriv = rtl_priv(hw);
     82
     83	_rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
     84	_rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
     85}
     86
     87void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
     88{
     89	struct rtl_priv *rtlpriv = rtl_priv(hw);
     90
     91	rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led0);
     92	rtl92cu_deinit_led(&rtlpriv->ledctl.sw_led1);
     93}
     94
     95static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw,
     96				    enum led_ctl_mode ledaction)
     97{
     98}
     99
    100void rtl92cu_led_control(struct ieee80211_hw *hw,
    101			enum led_ctl_mode ledaction)
    102{
    103	struct rtl_priv *rtlpriv = rtl_priv(hw);
    104	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
    105
    106	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
    107	    (ledaction == LED_CTL_TX ||
    108	     ledaction == LED_CTL_RX ||
    109	     ledaction == LED_CTL_SITE_SURVEY ||
    110	     ledaction == LED_CTL_LINK ||
    111	     ledaction == LED_CTL_NO_LINK ||
    112	     ledaction == LED_CTL_START_TO_LINK ||
    113	     ledaction == LED_CTL_POWER_ON)) {
    114		return;
    115	}
    116	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
    117	_rtl92cu_sw_led_control(hw, ledaction);
    118}