drivers/staging/vt6655/power.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * File: power.h
  20  *
  21  * Purpose: Handles 802.11 power management  functions
  22  *
  23  * Author: Lyndon Chen
  24  *
  25  * Date: July 17, 2002
  26  *
  27  */
  28
  29 #ifndef __POWER_H__
  30 #define __POWER_H__
  31
  32 /*---------------------  Export Definitions -------------------------*/
  33 #define     C_PWBT                   1000      // micro sec. power up before TBTT
  34 #define     PS_FAST_INTERVAL         1         // Fast power saving listen interval
  35 #define     PS_MAX_INTERVAL          4         // MAX power saving listen interval
  36
  37 /*---------------------  Export Classes  ----------------------------*/
  38
  39 /*---------------------  Export Variables  --------------------------*/
  40
  41 /*---------------------  Export Types  ------------------------------*/
  42
  43 /*---------------------  Export Functions  --------------------------*/
  44
  45 // PSDevice pDevice
  46 // PSDevice hDeviceContext
  47
  48 bool
  49 PSbConsiderPowerDown(
  50         void *hDeviceContext,
  51         bool bCheckRxDMA,
  52         bool bCheckCountToWakeUp
  53 );
  54
  55 void
  56 PSvDisablePowerSaving(
  57         void *hDeviceContext
  58 );
  59
  60 void
  61 PSvEnablePowerSaving(
  62         void *hDeviceContext,
  63         unsigned short wListenInterval
  64 );
  65
  66 void
  67 PSvSendPSPOLL(
  68         void *hDeviceContext
  69 );
  70
  71 bool
  72 PSbSendNullPacket(
  73         void *hDeviceContext
  74 );
  75
  76 bool
  77 PSbIsNextTBTTWakeUp(
  78         void *hDeviceContext
  79 );
  80
  81 #endif //__POWER_H__