drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-led.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2009-2010  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  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  * wlanfae <wlanfae@realtek.com>
  23  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
  24  * Hsinchu 300, Taiwan.
  25  *
  26  * Larry Finger <Larry.Finger@lwfinger.net>
  27  *
  28  *****************************************************************************/
  29
  30 #include "../wifi.h"
  31 #include "../pci.h"
  32 #include "rtl8192c-reg.h"
  33 #include "rtl8192c-led.h"
  34
  35 void rtl92ce_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled)
  36 {
  37         u8 ledcfg;
  38         struct rtl_priv *rtlpriv = rtl_priv(hw);
  39
  40         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  41                  ("LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin));
  42
  43         ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
  44
  45         switch (pled->ledpin) {
  46         case LED_PIN_GPIO0:
  47                 break;
  48         case LED_PIN_LED0:
  49                 rtl_write_byte(rtlpriv,
  50                                REG_LEDCFG2, (ledcfg & 0xf0) | BIT(5) | BIT(6));
  51                 break;
  52         case LED_PIN_LED1:
  53                 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg & 0x0f) | BIT(5));
  54                 break;
  55         default:
  56                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  57                          ("switch case not process\n"));
  58                 break;
  59         }
  60         pled->b_ledon = true;
  61 }
  62
  63 void rtl92ce_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled)
  64 {
  65         struct rtl_priv *rtlpriv = rtl_priv(hw);
  66         struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
  67         u8 ledcfg;
  68
  69         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD,
  70                  ("LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin));
  71
  72         ledcfg = rtl_read_byte(rtlpriv, REG_LEDCFG2);
  73
  74         switch (pled->ledpin) {
  75         case LED_PIN_GPIO0:
  76                 break;
  77         case LED_PIN_LED0:
  78                 ledcfg &= 0xf0;
  79                 if (pcipriv->ledctl.bled_opendrain == true)
  80                         rtl_write_byte(rtlpriv, REG_LEDCFG2,
  81                                        (ledcfg | BIT(1) | BIT(5) | BIT(6)));
  82                 else
  83                         rtl_write_byte(rtlpriv, REG_LEDCFG2,
  84                                        (ledcfg | BIT(3) | BIT(5) | BIT(6)));
  85                 break;
  86         case LED_PIN_LED1:
  87                 ledcfg &= 0x0f;
  88                 rtl_write_byte(rtlpriv, REG_LEDCFG2, (ledcfg | BIT(3)));
  89                 break;
  90         default:
  91                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
  92                          ("switch case not process\n"));
  93                 break;
  94         }
  95         pled->b_ledon = false;
  96 }
  97
  98 void rtl92ce_init_sw_leds(struct ieee80211_hw *hw)
  99 {
 100 }
 101
 102 void rtl92ce_deinit_sw_leds(struct ieee80211_hw *hw)
 103 {
 104 }
 105
 106 void _rtl92ce_sw_led_control(struct ieee80211_hw *hw,
 107                                     enum led_ctl_mode ledaction)
 108 {
 109         struct rtl_pci_priv *pcipriv = rtl_pcipriv(hw);
 110         struct rtl_led *pLed0 = &(pcipriv->ledctl.sw_led0);
 111         switch (ledaction) {
 112         case LED_CTL_POWER_ON:
 113         case LED_CTL_LINK:
 114         case LED_CTL_NO_LINK:
 115                 rtl92ce_sw_led_on(hw, pLed0);
 116                 break;
 117         case LED_CTL_POWER_OFF:
 118                 rtl92ce_sw_led_off(hw, pLed0);
 119                 break;
 120         default:
 121                 break;
 122         }
 123 }
 124
 125 void rtl92ce_led_control(struct ieee80211_hw *hw,
 126                         enum led_ctl_mode ledaction)
 127 {
 128         struct rtl_priv *rtlpriv = rtl_priv(hw);
 129         struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
 130
 131         if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) &&
 132             (ledaction == LED_CTL_TX ||
 133              ledaction == LED_CTL_RX ||
 134              ledaction == LED_CTL_SITE_SURVEY ||
 135              ledaction == LED_CTL_LINK ||
 136              ledaction == LED_CTL_NO_LINK ||
 137              ledaction == LED_CTL_START_TO_LINK ||
 138              ledaction == LED_CTL_POWER_ON)) {
 139                 return;
 140         }
 141         RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, ("ledaction %d,\n",
 142                                 ledaction));
 143         _rtl92ce_sw_led_control(hw, ledaction);
 144 }