135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2009-2012 Realtek Corporation.*/
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#include "../wifi.h"
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#include "../pci.h"
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#include "reg.h"
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#include "led.h"
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static void _rtl92ce_init_led(struct ieee80211_hw *hw,
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struct rtl_led *pled, enum rtl_led_pin ledpin)
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{
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pled->hw = hw;
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pled->ledpin = ledpin;
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pled->ledon = false;
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}
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void rtl92de_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
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{
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u8 ledcfg;
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
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REG_LEDCFG2, pled->ledpin);
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switch (pled->ledpin) {
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case LED_PIN_GPIO0:
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break;
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case LED_PIN_LED0:
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ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
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if ((rtlpriv->efuse.eeprom_did == 0x8176) ||
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(rtlpriv->efuse.eeprom_did == 0x8193))
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/* BIT7 of REG_LEDCFG2 should be set to
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* make sure we could emit the led2. */
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rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
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BIT(7) | BIT(5) | BIT(6));
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else
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rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
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BIT(7) | BIT(5));
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break;
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case LED_PIN_LED1:
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ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
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rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
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break;
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default:
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pr_err("switch case %#x not processed\n",
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pled->ledpin);
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break;
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}
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pled->ledon = true;
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}
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void rtl92de_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 ledcfg;
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rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
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REG_LEDCFG2, pled->ledpin);
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ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
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switch (pled->ledpin) {
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case LED_PIN_GPIO0:
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break;
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case LED_PIN_LED0:
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ledcfg &= 0xf0;
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if (rtlpriv->ledctl.led_opendrain)
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rtl_write_byte(rtlpriv, REG_LEDCFG2,
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(ledcfg | BIT(1) | BIT(5) | BIT(6)));
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else
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rtl_write_byte(rtlpriv, REG_LEDCFG2,
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(ledcfg | BIT(3) | BIT(5) | BIT(6)));
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break;
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case LED_PIN_LED1:
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ledcfg &= 0x0f;
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rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
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break;
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default:
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pr_err("switch case %#x not processed\n",
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pled->ledpin);
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break;
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}
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pled->ledon = false;
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}
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void rtl92de_init_sw_leds(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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_rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
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_rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
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}
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static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
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enum led_ctl_mode ledaction)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
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switch (ledaction) {
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case LED_CTL_POWER_ON:
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case LED_CTL_LINK:
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case LED_CTL_NO_LINK:
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rtl92de_sw_led_on(hw, pled0);
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break;
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case LED_CTL_POWER_OFF:
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rtl92de_sw_led_off(hw, pled0);
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break;
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default:
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break;
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}
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}
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void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
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if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
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(ledaction == LED_CTL_TX ||
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ledaction == LED_CTL_RX ||
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ledaction == LED_CTL_SITE_SURVEY ||
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ledaction == LED_CTL_LINK ||
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ledaction == LED_CTL_NO_LINK ||
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ledaction == LED_CTL_START_TO_LINK ||
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ledaction == LED_CTL_POWER_ON)) {
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return;
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}
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rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
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_rtl92ce_sw_led_control(hw, ledaction);
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}
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