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path: root/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c')
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c
new file mode 100644
index 000000000..7fab02e01
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/led.c
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012 Realtek Corporation.*/
+
+#include "../wifi.h"
+#include "../pci.h"
+#include "reg.h"
+#include "led.h"
+
+static void _rtl8723e_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 rtl8723e_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
+{
+ u8 ledcfg;
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ rtl_dbg(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:
+ pr_err("switch case %#x not processed\n",
+ pled->ledpin);
+ break;
+ }
+ pled->ledon = true;
+}
+
+void rtl8723e_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 ledcfg;
+
+ rtl_dbg(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:
+ pr_err("switch case %#x not processed\n",
+ pled->ledpin);
+ break;
+ }
+ pled->ledon = false;
+}
+
+void rtl8723e_init_sw_leds(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+ _rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
+ _rtl8723e_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
+}
+
+static void _rtl8723e_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;
+
+ switch (ledaction) {
+ case LED_CTL_POWER_ON:
+ case LED_CTL_LINK:
+ case LED_CTL_NO_LINK:
+ rtl8723e_sw_led_on(hw, pled0);
+ break;
+ case LED_CTL_POWER_OFF:
+ rtl8723e_sw_led_off(hw, pled0);
+ break;
+ default:
+ break;
+ }
+}
+
+void rtl8723e_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);
+ _rtl8723e_sw_led_control(hw, ledaction);
+}