Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 235 insertions, 0 deletions

diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/led.c
new file mode 100644
index 000000000..405c7541b
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/led.c
@@ -0,0 +1,235 @@
+/******************************************************************************
+ *
+ * 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);
+}