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/******************************************************************************
*
* Copyright(c) 2009-2010 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 _rtl8821ae_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 rtl8821ae_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);
ledcfg &= ~BIT(6);
rtl_write_byte(rtlpriv,
REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5));
break;
case LED_PIN_LED1:
ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
"switch case %#x not processed\n", pled->ledpin);
break;
}
pled->ledon = true;
}
void rtl8812ae_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
{
u16 ledreg = REG_LEDCFG1;
u8 ledcfg = 0;
struct rtl_priv *rtlpriv = rtl_priv(hw);
switch (pled->ledpin) {
case LED_PIN_LED0:
ledreg = REG_LEDCFG1;
break;
case LED_PIN_LED1:
ledreg = REG_LEDCFG2;
break;
case LED_PIN_GPIO0:
default:
break;
}
RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
"In SwLedOn, LedAddr:%X LEDPIN=%d\n",
ledreg, pled->ledpin);
ledcfg = rtl_read_byte(rtlpriv, ledreg);
ledcfg |= BIT(5); /*Set 0x4c[21]*/
ledcfg &= ~(BIT(7) | BIT(6) | BIT(3) | BIT(2) | BIT(1) | BIT(0));
/*Clear 0x4c[23:22] and 0x4c[19:16]*/
rtl_write_byte(rtlpriv, ledreg, ledcfg); /*SW control led0 on.*/
pled->ledon = true;
}
void rtl8821ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
{
struct rtl_priv *rtlpriv = rtl_priv(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 (rtlpriv->ledctl.led_opendrain) {
ledcfg &= 0x90; /* Set to software control. */
rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg|BIT(3)));
ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
ledcfg &= 0xFE;
rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
} else {
ledcfg &= ~BIT(6);
rtl_write_byte(rtlpriv, REG_LEDCFG2,
(ledcfg | BIT(3) | BIT(5)));
}
break;
case LED_PIN_LED1:
ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
ledcfg &= 0x10; /* Set to software control. */
rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg|BIT(3));
break;
default:
RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
"switch case %#x not processed\n", pled->ledpin);
break;
}
pled->ledon = false;
}
void rtl8812ae_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
{
u16 ledreg = REG_LEDCFG1;
struct rtl_priv *rtlpriv = rtl_priv(hw);
switch (pled->ledpin) {
case LED_PIN_LED0:
ledreg = REG_LEDCFG1;
break;
case LED_PIN_LED1:
ledreg = REG_LEDCFG2;
break;
case LED_PIN_GPIO0:
default:
break;
}
RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
"In SwLedOff,LedAddr:%X LEDPIN=%d\n",
ledreg, pled->ledpin);
/*Open-drain arrangement for controlling the LED*/
if (rtlpriv->ledctl.led_opendrain) {
u8 ledcfg = rtl_read_byte(rtlpriv, ledreg);
ledreg &= 0xd0; /* Set to software control.*/
rtl_write_byte(rtlpriv, ledreg, (ledcfg | BIT(3)));
/*Open-drain arrangement*/
ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
ledcfg &= 0xFE;/*Set GPIO[8] to input mode*/
rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, ledcfg);
} else {
rtl_write_byte(rtlpriv, ledreg, 0x28);
}
pled->ledon = false;
}
void rtl8821ae_init_sw_leds(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
_rtl8821ae_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
_rtl8821ae_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
}
static void _rtl8821ae_sw_led_control(struct ieee80211_hw *hw,
enum led_ctl_mode ledaction)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
switch (ledaction) {
case LED_CTL_POWER_ON:
case LED_CTL_LINK:
case LED_CTL_NO_LINK:
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_sw_led_on(hw, pled0);
else
rtl8821ae_sw_led_on(hw, pled0);
break;
case LED_CTL_POWER_OFF:
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE)
rtl8812ae_sw_led_off(hw, pled0);
else
rtl8821ae_sw_led_off(hw, pled0);
break;
default:
break;
}
}
void rtl8821ae_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);
_rtl8821ae_sw_led_control(hw, ledaction);
}
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