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/******************************************************************************
*
* Copyright(c) 2009-2012 Realtek Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
* Larry Finger <Larry.Finger@lwfinger.net>
*
*****************************************************************************/
#include "../wifi.h"
#include "../pci.h"
#include "reg.h"
#include "led.h"
static void _rtl92ce_init_led(struct ieee80211_hw *hw,
struct rtl_led *pled, enum rtl_led_pin ledpin)
{
pled->hw = hw;
pled->ledpin = ledpin;
pled->ledon = false;
}
void rtl92de_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
{
u8 ledcfg;
struct rtl_priv *rtlpriv = rtl_priv(hw);
RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
REG_LEDCFG2, pled->ledpin);
switch (pled->ledpin) {
case LED_PIN_GPIO0:
break;
case LED_PIN_LED0:
ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
if ((rtlpriv->efuse.eeprom_did == 0x8176) ||
(rtlpriv->efuse.eeprom_did == 0x8193))
/* BIT7 of REG_LEDCFG2 should be set to
* make sure we could emit the led2. */
rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
BIT(7) | BIT(5) | BIT(6));
else
rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0xf0) |
BIT(7) | BIT(5));
break;
case LED_PIN_LED1:
ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
break;
default:
pr_err("switch case %#x not processed\n",
pled->ledpin);
break;
}
pled->ledon = true;
}
void rtl92de_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
u8 ledcfg;
RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
REG_LEDCFG2, pled->ledpin);
ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
switch (pled->ledpin) {
case LED_PIN_GPIO0:
break;
case LED_PIN_LED0:
ledcfg &= 0xf0;
if (pcipriv->ledctl.led_opendrain)
rtl_write_byte(rtlpriv, REG_LEDCFG2,
(ledcfg | BIT(1) | BIT(5) | BIT(6)));
else
rtl_write_byte(rtlpriv, REG_LEDCFG2,
(ledcfg | BIT(3) | BIT(5) | BIT(6)));
break;
case LED_PIN_LED1:
ledcfg &= 0x0f;
rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
break;
default:
pr_err("switch case %#x not processed\n",
pled->ledpin);
break;
}
pled->ledon = false;
}
void rtl92de_init_sw_leds(struct ieee80211_hw *hw)
{
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
_rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led0), LED_PIN_LED0);
_rtl92ce_init_led(hw, &(pcipriv->ledctl.sw_led1), LED_PIN_LED1);
}
static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
enum led_ctl_mode ledaction)
{
struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
switch (ledaction) {
case LED_CTL_POWER_ON:
case LED_CTL_LINK:
case LED_CTL_NO_LINK:
rtl92de_sw_led_on(hw, pLed0);
break;
case LED_CTL_POWER_OFF:
rtl92de_sw_led_off(hw, pLed0);
break;
default:
break;
}
}
void rtl92de_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
(ledaction == LED_CTL_TX ||
ledaction == LED_CTL_RX ||
ledaction == LED_CTL_SITE_SURVEY ||
ledaction == LED_CTL_LINK ||
ledaction == LED_CTL_NO_LINK ||
ledaction == LED_CTL_START_TO_LINK ||
ledaction == LED_CTL_POWER_ON)) {
return;
}
RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
_rtl92ce_sw_led_control(hw, ledaction);
}
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