led.c

  1// SPDX-License-Identifier: GPL-2.0
  2/* Copyright(c) 2009-2013  Realtek Corporation.*/
  3
  4#include "../wifi.h"
  5#include "../pci.h"
  6#include "reg.h"
  7#include "led.h"
  8
  9void rtl88ee_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin)
 10{
 11	u8 ledcfg;
 12	struct rtl_priv *rtlpriv = rtl_priv(hw);
 13
 14	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
 15		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
 16
 17	switch (pin) {
 18	case LED_PIN_GPIO0:
 19		break;
 20	case LED_PIN_LED0:
 21		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
 22		rtl_write_byte(rtlpriv,
 23			       REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
 24		break;
 25	case LED_PIN_LED1:
 26		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
 27		rtl_write_byte(rtlpriv, REG_LEDCFG1, ledcfg & 0x10);
 28		break;
 29	default:
 30		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
 31			"switch case %#x not processed\n", pin);
 32		break;
 33	}
 34}
 35
 36void rtl88ee_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
 37{
 38	struct rtl_priv *rtlpriv = rtl_priv(hw);
 39	u8 ledcfg;
 40
 41	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
 42		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
 43
 44	switch (pin) {
 45	case LED_PIN_GPIO0:
 46		break;
 47	case LED_PIN_LED0:
 48		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
 49		ledcfg &= 0xf0;
 50		if (rtlpriv->ledctl.led_opendrain) {
 51			rtl_write_byte(rtlpriv, REG_LEDCFG2,
 52				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
 53			ledcfg = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG);
 54			rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG,
 55				       (ledcfg & 0xFE));
 56		} else
 57			rtl_write_byte(rtlpriv, REG_LEDCFG2,
 58				       (ledcfg | BIT(3) | BIT(5) | BIT(6)));
 59		break;
 60	case LED_PIN_LED1:
 61		ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG1);
 62		ledcfg &= 0x10;
 63		rtl_write_byte(rtlpriv, REG_LEDCFG1, (ledcfg | BIT(3)));
 64		break;
 65	default:
 66		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
 67			"switch case %#x not processed\n", pin);
 68		break;
 69	}
 70}
 71
 72static void _rtl88ee_sw_led_control(struct ieee80211_hw *hw,
 73				    enum led_ctl_mode ledaction)
 74{
 75	struct rtl_priv *rtlpriv = rtl_priv(hw);
 76	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
 77
 78	switch (ledaction) {
 79	case LED_CTL_POWER_ON:
 80	case LED_CTL_LINK:
 81	case LED_CTL_NO_LINK:
 82		rtl88ee_sw_led_on(hw, pin0);
 83		break;
 84	case LED_CTL_POWER_OFF:
 85		rtl88ee_sw_led_off(hw, pin0);
 86		break;
 87	default:
 88		break;
 89	}
 90}
 91
 92void rtl88ee_led_control(struct ieee80211_hw *hw,
 93			enum led_ctl_mode ledaction)
 94{
 95	struct rtl_priv *rtlpriv = rtl_priv(hw);
 96	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 97
 98	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
 99	    (ledaction == LED_CTL_TX ||
100	     ledaction == LED_CTL_RX ||
101	     ledaction == LED_CTL_SITE_SURVEY ||
102	     ledaction == LED_CTL_LINK ||
103	     ledaction == LED_CTL_NO_LINK ||
104	     ledaction == LED_CTL_START_TO_LINK ||
105	     ledaction == LED_CTL_POWER_ON)) {
106		return;
107	}
108	rtl_dbg(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n",
109		ledaction);
110	_rtl88ee_sw_led_control(hw, ledaction);
111}