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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c138
1 files changed, 138 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 0000000..66d2784
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/led.c
@@ -0,0 +1,138 @@
+/******************************************************************************
+ *
+ * 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.
+ *
+ * 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:
+ pr_err("switch case %#x not processed\n",
+ pled->ledpin);
+ break;
+ }
+ pled->ledon = true;
+}
+
+void rtl92cu_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)
+ 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 rtl92cu_init_sw_leds(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
+ _rtl92cu_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
+}
+
+void rtl92cu_deinit_sw_leds(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ _rtl92cu_deInit_led(&rtlpriv->ledctl.sw_led0);
+ _rtl92cu_deInit_led(&rtlpriv->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);
+}