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 (3373B)

      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 _rtl8723be_init_led(struct ieee80211_hw *hw,  struct rtl_led *pled,
     10				enum rtl_led_pin ledpin)
     11{
     12	pled->hw = hw;
     13	pled->ledpin = ledpin;
     14	pled->ledon = false;
     15}
     16
     17void rtl8723be_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		ledcfg &= ~BIT(6);
     31		rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
     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		pr_err("switch case %#x not processed\n",
     39		       pled->ledpin);
     40		break;
     41	}
     42	pled->ledon = true;
     43}
     44
     45void rtl8723be_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	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
     54
     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			ledcfg &= 0x90; /* Set to software control. */
     62			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
     63			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
     64			ledcfg &= 0xFE;
     65			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
     66		} else {
     67			ledcfg &= ~BIT(6);
     68			rtl_write_byte(rtlpriv, REG_LEDCFG2,
     69				       (ledcfg | BIT(3) | BIT(5)));
     70		}
     71		break;
     72	case LED_PIN_LED1:
     73		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
     74		ledcfg &= 0x10; /* Set to software control. */
     75		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
     76
     77		break;
     78	default:
     79		pr_err("switch case %#x not processed\n",
     80		       pled->ledpin);
     81		break;
     82	}
     83	pled->ledon = false;
     84}
     85
     86void rtl8723be_init_sw_leds(struct ieee80211_hw *hw)
     87{
     88	struct rtl_priv *rtlpriv = rtl_priv(hw);
     89
     90	_rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
     91	_rtl8723be_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
     92}
     93
     94static void _rtl8723be_sw_led_control(struct ieee80211_hw *hw,
     95				      enum led_ctl_mode ledaction)
     96{
     97	struct rtl_priv *rtlpriv = rtl_priv(hw);
     98	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
     99
    100	switch (ledaction) {
    101	case LED_CTL_POWER_ON:
    102	case LED_CTL_LINK:
    103	case LED_CTL_NO_LINK:
    104		rtl8723be_sw_led_on(hw, pled0);
    105		break;
    106	case LED_CTL_POWER_OFF:
    107		rtl8723be_sw_led_off(hw, pled0);
    108		break;
    109	default:
    110		break;
    111	}
    112}
    113
    114void rtl8723be_led_control(struct ieee80211_hw *hw,
    115			   enum led_ctl_mode ledaction)
    116{
    117	struct rtl_priv *rtlpriv = rtl_priv(hw);
    118	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
    119
    120	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
    121	    (ledaction == LED_CTL_TX ||
    122	     ledaction == LED_CTL_RX ||
    123	     ledaction == LED_CTL_SITE_SURVEY ||
    124	     ledaction == LED_CTL_LINK ||
    125	     ledaction == LED_CTL_NO_LINK ||
    126	     ledaction == LED_CTL_START_TO_LINK ||
    127	     ledaction == LED_CTL_POWER_ON)) {
    128		return;
    129	}
    130	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
    131	_rtl8723be_sw_led_control(hw, ledaction);
    132}