rtlwifi/rtl8192se/led.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /* Copyright(c) 2009-2012  Realtek Corporation.*/
0003
0004 #include "../wifi.h"
0005 #include "../pci.h"
0006 #include "reg.h"
0007 #include "led.h"
0008
0009 static void _rtl92se_init_led(struct ieee80211_hw *hw,
0010                   struct rtl_led *pled, enum rtl_led_pin ledpin)
0011 {
0012     pled->hw = hw;
0013     pled->ledpin = ledpin;
0014     pled->ledon = false;
0015 }
0016
0017 void rtl92se_init_sw_leds(struct ieee80211_hw *hw)
0018 {
0019     struct rtl_priv *rtlpriv = rtl_priv(hw);
0020
0021     _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0);
0022     _rtl92se_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1);
0023 }
0024
0025 void rtl92se_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
0026 {
0027     u8 ledcfg;
0028     struct rtl_priv *rtlpriv = rtl_priv(hw);
0029
0030     rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
0031         LEDCFG, pled->ledpin);
0032
0033     ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
0034
0035     switch (pled->ledpin) {
0036     case LED_PIN_GPIO0:
0037         break;
0038     case LED_PIN_LED0:
0039         rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0xf0);
0040         break;
0041     case LED_PIN_LED1:
0042         rtl_write_byte(rtlpriv, LEDCFG, ledcfg & 0x0f);
0043         break;
0044     default:
0045         pr_err("switch case %#x not processed\n",
0046                pled->ledpin);
0047         break;
0048     }
0049     pled->ledon = true;
0050 }
0051
0052 void rtl92se_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
0053 {
0054     struct rtl_priv *rtlpriv;
0055     u8 ledcfg;
0056
0057     rtlpriv = rtl_priv(hw);
0058     if (!rtlpriv || rtlpriv->max_fw_size)
0059         return;
0060     rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n",
0061         LEDCFG, pled->ledpin);
0062
0063     ledcfg = rtl_read_byte(rtlpriv, LEDCFG);
0064
0065     switch (pled->ledpin) {
0066     case LED_PIN_GPIO0:
0067         break;
0068     case LED_PIN_LED0:
0069         ledcfg &= 0xf0;
0070         if (rtlpriv->ledctl.led_opendrain)
0071             rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(1)));
0072         else
0073             rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
0074         break;
0075     case LED_PIN_LED1:
0076         ledcfg &= 0x0f;
0077         rtl_write_byte(rtlpriv, LEDCFG, (ledcfg | BIT(3)));
0078         break;
0079     default:
0080         pr_err("switch case %#x not processed\n",
0081                pled->ledpin);
0082         break;
0083     }
0084     pled->ledon = false;
0085 }
0086
0087 static void _rtl92se_sw_led_control(struct ieee80211_hw *hw,
0088                     enum led_ctl_mode ledaction)
0089 {
0090     struct rtl_priv *rtlpriv = rtl_priv(hw);
0091     struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0;
0092
0093     switch (ledaction) {
0094     case LED_CTL_POWER_ON:
0095     case LED_CTL_LINK:
0096     case LED_CTL_NO_LINK:
0097         rtl92se_sw_led_on(hw, pled0);
0098         break;
0099     case LED_CTL_POWER_OFF:
0100         rtl92se_sw_led_off(hw, pled0);
0101         break;
0102     default:
0103         break;
0104     }
0105 }
0106
0107 void rtl92se_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
0108 {
0109     struct rtl_priv *rtlpriv = rtl_priv(hw);
0110     struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
0111
0112     if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
0113         (ledaction == LED_CTL_TX ||
0114         ledaction == LED_CTL_RX ||
0115         ledaction == LED_CTL_SITE_SURVEY ||
0116         ledaction == LED_CTL_LINK ||
0117         ledaction == LED_CTL_NO_LINK ||
0118         ledaction == LED_CTL_START_TO_LINK ||
0119         ledaction == LED_CTL_POWER_ON)) {
0120         return;
0121     }
0122     rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD, "ledaction %d\n", ledaction);
0123
0124     _rtl92se_sw_led_control(hw, ledaction);
0125 }
0126