1 files changed, 114 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 0000000000..4bd7085709
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/led.c
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012  Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "../pci.h"
+#include "reg.h"
+#include "led.h"
+
+void rtl92de_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin)
+{
+	u8 ledcfg;
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
+		REG_LEDCFG2, pin);
+
+	switch (pin) {
+	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", pin);
+		break;
+	}
+}
+
+void rtl92de_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	u8 ledcfg;
+
+	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
+		REG_LEDCFG2, pin);
+
+	ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
+
+	switch (pin) {
+	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", pin);
+		break;
+	}
+}
+
+static void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
+				    enum led_ctl_mode ledaction)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
+
+	switch (ledaction) {
+	case LED_CTL_POWER_ON:
+	case LED_CTL_LINK:
+	case LED_CTL_NO_LINK:
+		rtl92de_sw_led_on(hw, pin0);
+		break;
+	case LED_CTL_POWER_OFF:
+		rtl92de_sw_led_off(hw, pin0);
+		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;
+	}
+	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d,\n", ledaction);
+
+	_rtl92ce_sw_led_control(hw, ledaction);
+}