diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c new file mode 100644 index 000000000000..75a2deb23af1 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c @@ -0,0 +1,141 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2012 Realtek Corporation. All rights reserved. + * + * 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. + * + *****************************************************************************/ + +#include "../wifi.h" +#include "../usb.h" +#include "reg.h" +#include "led.h" + +static void _rtl92cu_init_led(struct ieee80211_hw *hw, + struct rtl_led *pled, enum rtl_led_pin ledpin) +{ + pled->hw = hw; + pled->ledpin = ledpin; + pled->ledon = false; +} + +static void _rtl92cu_deInit_led(struct rtl_led *pled) +{ +} + +void rtl92cu_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); + ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2); + switch (pled->ledpin) { + case LED_PIN_GPIO0: + break; + case LED_PIN_LED0: + rtl_write_byte(rtlpriv, + REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6)); + break; + case LED_PIN_LED1: + 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 rtl92cu_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_usb_priv *usbpriv = rtl_usbpriv(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 (usbpriv->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 rtl92cu_init_sw_leds(struct ieee80211_hw *hw) +{ + struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw); + _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led0), LED_PIN_LED0); + _rtl92cu_init_led(hw, &(usbpriv->ledctl.sw_led1), LED_PIN_LED1); +} + +void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw) +{ + struct rtl_usb_priv *usbpriv = rtl_usbpriv(hw); + _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led0)); + _rtl92cu_deInit_led(&(usbpriv->ledctl.sw_led1)); +} + +static void _rtl92cu_sw_led_control(struct ieee80211_hw *hw, + enum led_ctl_mode ledaction) +{ +} + +void rtl92cu_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); + _rtl92cu_sw_led_control(hw, ledaction); +} |