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 (3371B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright(c) 2009-2012  Realtek Corporation.*/
      3
      4#include "../wifi.h"
      5#include "../pci.h"
      6#include "reg.h"
      7#include "led.h"
      8
      9static void _rtl8723e_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 rtl8723e_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,
     32			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
     33		break;
     34	case LED_PIN_LED1:
     35		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
     36		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
     37		break;
     38	default:
     39		pr_err("switch case %#x not processed\n",
     40		       pled->ledpin);
     41		break;
     42	}
     43	pled->ledon = true;
     44}
     45
     46void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
     47{
     48	struct rtl_priv *rtlpriv = rtl_priv(hw);
     49	u8 ledcfg;
     50
     51	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
     52		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
     53
     54	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
     55
     56	switch (pled->ledpin) {
     57	case LED_PIN_GPIO0:
     58		break;
     59	case LED_PIN_LED0:
     60		ledcfg &= 0xf0;
     61		if (rtlpriv->ledctl.led_opendrain) {
     62			ledcfg &= 0x90; /* Set to software control. */
     63			rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
     64			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
     65			ledcfg &= 0xFE;
     66			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
     67		} else {
     68			ledcfg &= ~BIT(6);
     69			rtl_write_byte(rtlpriv, REG_LEDCFG2,
     70					(ledcfg | BIT(3) | BIT(5)));
     71		}
     72		break;
     73	case LED_PIN_LED1:
     74		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
     75		ledcfg &= 0x10; /* Set to software control. */
     76		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
     77
     78		break;
     79	default:
     80		pr_err("switch case %#x not processed\n",
     81		       pled->ledpin);
     82		break;
     83	}
     84	pled->ledon = false;
     85}
     86
     87void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
     88{
     89	struct rtl_priv *rtlpriv = rtl_priv(hw);
     90
     91	_rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
     92	_rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
     93}
     94
     95static void _rtl8723e_sw_led_control(struct ieee80211_hw *hw,
     96				     enum led_ctl_mode ledaction)
     97{
     98	struct rtl_priv *rtlpriv = rtl_priv(hw);
     99	struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
    100
    101	switch (ledaction) {
    102	case LED_CTL_POWER_ON:
    103	case LED_CTL_LINK:
    104	case LED_CTL_NO_LINK:
    105		rtl8723e_sw_led_on(hw, pled0);
    106		break;
    107	case LED_CTL_POWER_OFF:
    108		rtl8723e_sw_led_off(hw, pled0);
    109		break;
    110	default:
    111		break;
    112	}
    113}
    114
    115void rtl8723e_led_control(struct ieee80211_hw *hw,
    116			  enum led_ctl_mode ledaction)
    117{
    118	struct rtl_priv *rtlpriv = rtl_priv(hw);
    119	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
    120
    121	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
    122	    (ledaction == LED_CTL_TX ||
    123	     ledaction == LED_CTL_RX ||
    124	     ledaction == LED_CTL_SITE_SURVEY ||
    125	     ledaction == LED_CTL_LINK ||
    126	     ledaction == LED_CTL_NO_LINK ||
    127	     ledaction == LED_CTL_START_TO_LINK ||
    128	     ledaction == LED_CTL_POWER_ON)) {
    129		return;
    130	}
    131	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n",
    132		ledaction);
    133	_rtl8723e_sw_led_control(hw, ledaction);
    134}