led.c

  1// SPDX-License-Identifier: GPL-2.0
  2/* Copyright(c) 2009-2014  Realtek Corporation.*/
  3
  4#include "../wifi.h"
  5#include "../pci.h"
  6#include "reg.h"
  7#include "led.h"
  8
  9void rtl92ee_sw_led_on(struct ieee80211_hw *hw, enum rtl_led_pin pin)
 10{
 11	u32 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_dword(rtlpriv , REG_GPIO_PIN_CTRL);
 22		ledcfg &= ~BIT(13);
 23		ledcfg |= BIT(21);
 24		ledcfg &= ~BIT(29);
 25
 26		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
 27
 28		break;
 29	case LED_PIN_LED1:
 30
 31		break;
 32	default:
 33		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
 34			"switch case %#x not processed\n", pin);
 35		break;
 36	}
 37}
 38
 39void rtl92ee_sw_led_off(struct ieee80211_hw *hw, enum rtl_led_pin pin)
 40{
 41	struct rtl_priv *rtlpriv = rtl_priv(hw);
 42	u32 ledcfg;
 43
 44	rtl_dbg(rtlpriv, COMP_LED, DBG_LOUD,
 45		"LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pin);
 46
 47	switch (pin) {
 48	case LED_PIN_GPIO0:
 49		break;
 50	case LED_PIN_LED0:
 51
 52		ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
 53		ledcfg |= ~BIT(21);
 54		ledcfg &= ~BIT(29);
 55		rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
 56
 57		break;
 58	case LED_PIN_LED1:
 59
 60		break;
 61	default:
 62		rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
 63			"switch case %#x not processed\n", pin);
 64		break;
 65	}
 66}
 67
 68static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
 69				    enum led_ctl_mode ledaction)
 70{
 71	struct rtl_priv *rtlpriv = rtl_priv(hw);
 72	enum rtl_led_pin pin0 = rtlpriv->ledctl.sw_led0;
 73
 74	switch (ledaction) {
 75	case LED_CTL_POWER_ON:
 76	case LED_CTL_LINK:
 77	case LED_CTL_NO_LINK:
 78		rtl92ee_sw_led_on(hw, pin0);
 79		break;
 80	case LED_CTL_POWER_OFF:
 81		rtl92ee_sw_led_off(hw, pin0);
 82		break;
 83	default:
 84		break;
 85	}
 86}
 87
 88void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
 89{
 90	struct rtl_priv *rtlpriv = rtl_priv(hw);
 91	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 92
 93	if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
 94	    (ledaction == LED_CTL_TX ||
 95	     ledaction == LED_CTL_RX ||
 96	     ledaction == LED_CTL_SITE_SURVEY ||
 97	     ledaction == LED_CTL_LINK ||
 98	     ledaction == LED_CTL_NO_LINK ||
 99	     ledaction == LED_CTL_START_TO_LINK ||
100	     ledaction == LED_CTL_POWER_ON)) {
101		return;
102	}
103	rtl_dbg(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
104	_rtl92ee_sw_led_control(hw, ledaction);
105}