diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtlwifi/rtl8192ce/led.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/rtl8192ce/led.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/led.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/led.c new file mode 100644 index 000000000..57132278e --- /dev/null +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/led.c @@ -0,0 +1,125 @@ +// 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 _rtl92ce_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 rtl92ce_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); + + 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 rtl92ce_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) + 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_info("switch case %#x not processed\n", pled->ledpin); + break; + } + pled->ledon = false; +} + +void rtl92ce_init_sw_leds(struct ieee80211_hw *hw) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + + _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); + _rtl92ce_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); +} + +static void _rtl92ce_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: + rtl92ce_sw_led_on(hw, pled0); + break; + case LED_CTL_POWER_OFF: + rtl92ce_sw_led_off(hw, pled0); + break; + default: + break; + } +} + +void rtl92ce_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); +} |