diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8723be/led.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8723be/led.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/led.c new file mode 100644 index 0000000000..462fe1d026 --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/led.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2009-2014 Realtek Corporation.*/ + +#include "../wifi.h" +#include "../pci.h" +#include "reg.h" +#include "led.h" + +void rtl8723be_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); + 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", pin); + break; + } +} + +void rtl8723be_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) { + 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", pin); + break; + } +} + +static void _rtl8723be_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: + rtl8723be_sw_led_on(hw, pin0); + break; + case LED_CTL_POWER_OFF: + rtl8723be_sw_led_off(hw, pin0); + break; + default: + break; + } +} + +void rtl8723be_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); + _rtl8723be_sw_led_control(hw, ledaction); +} |