LXR linux/drivers/staging/rtl8188eu/hal/rtl8188eu

   1/******************************************************************************
   2 *
   3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   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 *
  19 ******************************************************************************/
  20
  21#include <osdep_service.h>
  22#include <drv_types.h>
  23#include <rtl8188e_hal.h>
  24#include <rtl8188e_led.h>
  25#include <usb_ops_linux.h>
  26
  27/*  LED object. */
  28
  29/*  LED_819xUsb routines. */
  30/*      Description: */
  31/*              Turn on LED according to LedPin specified. */
  32void SwLedOn(struct adapter *padapter, struct LED_871x *pLed)
  33{
  34        u8      LedCfg;
  35
  36        if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
  37                return;
  38        LedCfg = usb_read8(padapter, REG_LEDCFG2);
  39        usb_write8(padapter, REG_LEDCFG2, (LedCfg&0xf0) | BIT(5) | BIT(6)); /*  SW control led0 on. */
  40        pLed->bLedOn = true;
  41}
  42
  43/*      Description: */
  44/*              Turn off LED according to LedPin specified. */
  45void SwLedOff(struct adapter *padapter, struct LED_871x *pLed)
  46{
  47        u8      LedCfg;
  48        struct hal_data_8188e   *pHalData = GET_HAL_DATA(padapter);
  49
  50        if (padapter->bSurpriseRemoved || padapter->bDriverStopped)
  51                goto exit;
  52
  53        LedCfg = usb_read8(padapter, REG_LEDCFG2);/* 0x4E */
  54
  55        if (pHalData->bLedOpenDrain) {
  56                        /*  Open-drain arrangement for controlling the LED) */
  57                LedCfg &= 0x90; /*  Set to software control. */
  58                usb_write8(padapter, REG_LEDCFG2, (LedCfg | BIT(3)));
  59                LedCfg = usb_read8(padapter, REG_MAC_PINMUX_CFG);
  60                LedCfg &= 0xFE;
  61                usb_write8(padapter, REG_MAC_PINMUX_CFG, LedCfg);
  62        } else {
  63                usb_write8(padapter, REG_LEDCFG2, (LedCfg | BIT(3) | BIT(5) | BIT(6)));
  64        }
  65exit:
  66        pLed->bLedOn = false;
  67}
  68
  69/*  Interface to manipulate LED objects. */
  70/*  Default LED behavior. */
  71
  72/*      Description: */
  73/*              Initialize all LED_871x objects. */
  74void rtl8188eu_InitSwLeds(struct adapter *padapter)
  75{
  76        struct led_priv *pledpriv = &(padapter->ledpriv);
  77        struct hal_data_8188e   *haldata = GET_HAL_DATA(padapter);
  78
  79        pledpriv->bRegUseLed = true;
  80        pledpriv->LedControlHandler = LedControl8188eu;
  81        haldata->bLedOpenDrain = true;
  82
  83        InitLed871x(padapter, &(pledpriv->SwLed0));
  84}
  85
  86/*      Description: */
  87/*              DeInitialize all LED_819xUsb objects. */
  88void rtl8188eu_DeInitSwLeds(struct adapter *padapter)
  89{
  90        struct led_priv *ledpriv = &(padapter->ledpriv);
  91
  92        DeInitLed871x(&(ledpriv->SwLed0));
  93}
  94