LXR linux/drivers/net/wireless/rtlwifi/rtl8192ee/led.c

   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009-2014  Realtek Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * The full GNU General Public License is included in this distribution in the
  15 * file called LICENSE.
  16 *
  17 * Contact Information:
  18 * wlanfae <wlanfae@realtek.com>
  19 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  20 * Hsinchu 300, Taiwan.
  21 *
  22 * Larry Finger <Larry.Finger@lwfinger.net>
  23 *
  24 *****************************************************************************/
  25
  26#include "../wifi.h"
  27#include "../pci.h"
  28#include "reg.h"
  29#include "led.h"
  30
  31static void _rtl92ee_init_led(struct ieee80211_hw *hw,
  32                              struct rtl_led *pled, enum rtl_led_pin ledpin)
  33{
  34        pled->hw = hw;
  35        pled->ledpin = ledpin;
  36        pled->ledon = false;
  37}
  38
  39void rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
  40{
  41        u32 ledcfg;
  42        struct rtl_priv *rtlpriv = rtl_priv(hw);
  43
  44        RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  45                 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
  46
  47        switch (pled->ledpin) {
  48        case LED_PIN_GPIO0:
  49                break;
  50        case LED_PIN_LED0:
  51                ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
  52                ledcfg &= ~BIT(13);
  53                ledcfg |= BIT(21);
  54                ledcfg &= ~BIT(29);
  55
  56                rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
  57
  58                break;
  59        case LED_PIN_LED1:
  60
  61                break;
  62        default:
  63                RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  64                         "switch case not process\n");
  65                break;
  66        }
  67        pled->ledon = true;
  68}
  69
  70void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
  71{
  72        struct rtl_priv *rtlpriv = rtl_priv(hw);
  73        u32 ledcfg;
  74
  75        RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  76                 "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin);
  77
  78        switch (pled->ledpin) {
  79        case LED_PIN_GPIO0:
  80                break;
  81        case LED_PIN_LED0:
  82
  83                ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL);
  84                ledcfg |= ~BIT(21);
  85                ledcfg &= ~BIT(29);
  86                rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg);
  87
  88                break;
  89        case LED_PIN_LED1:
  90
  91                break;
  92        default:
  93                RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD,
  94                         "switch case not process\n");
  95                break;
  96        }
  97        pled->ledon = false;
  98}
  99
 100void rtl92ee_init_sw_leds(struct ieee80211_hw *hw)
 101{
 102        struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
 103
 104        _rtl92ee_init_led(hw, &pcipriv->ledctl.sw_led0, LED_PIN_LED0);
 105        _rtl92ee_init_led(hw, &pcipriv->ledctl.sw_led1, LED_PIN_LED1);
 106}
 107
 108static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw,
 109                                    enum led_ctl_mode ledaction)
 110{
 111        struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
 112        struct rtl_led *pLed0 = &pcipriv->ledctl.sw_led0;
 113
 114        switch (ledaction) {
 115        case LED_CTL_POWER_ON:
 116        case LED_CTL_LINK:
 117        case LED_CTL_NO_LINK:
 118                rtl92ee_sw_led_on(hw, pLed0);
 119                break;
 120        case LED_CTL_POWER_OFF:
 121                rtl92ee_sw_led_off(hw, pLed0);
 122                break;
 123        default:
 124                break;
 125        }
 126}
 127
 128void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction)
 129{
 130        struct rtl_priv *rtlpriv = rtl_priv(hw);
 131        struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 132
 133        if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
 134            (ledaction == LED_CTL_TX ||
 135             ledaction == LED_CTL_RX ||
 136             ledaction == LED_CTL_SITE_SURVEY ||
 137             ledaction == LED_CTL_LINK ||
 138             ledaction == LED_CTL_NO_LINK ||
 139             ledaction == LED_CTL_START_TO_LINK ||
 140             ledaction == LED_CTL_POWER_ON)) {
 141                return;
 142        }
 143        RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction);
 144        _rtl92ee_sw_led_control(hw, ledaction);
 145}
 146