diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.c new file mode 100644 index 000000000000..76a57ae4af3e --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.c @@ -0,0 +1,159 @@ +/****************************************************************************** + * + * 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA + * + * 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: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + "switch case not processed\n"); + 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: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + "switch case not processed\n"); + 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); +} |