drivers/staging/vt6656/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 #define     C_PWBT                   1000      // micro sec. power up before TBTT
  33 #define     PS_FAST_INTERVAL         1         // Fast power saving listen interval
  34 #define     PS_MAX_INTERVAL          4         // MAX power saving listen interval
  35
  36 /*  PSDevice pDevice */
  37 /*  PSDevice hDeviceContext */
  38
  39 int PSbConsiderPowerDown(struct vnt_private *, int bCheckRxDMA,
  40         int bCheckCountToWakeUp);
  41 void PSvDisablePowerSaving(struct vnt_private *);
  42 void PSvEnablePowerSaving(struct vnt_private *, u16 wListenInterval);
  43 void PSvSendPSPOLL(struct vnt_private *);
  44 int PSbSendNullPacket(struct vnt_private *);
  45 int PSbIsNextTBTTWakeUp(struct vnt_private *);
  46
  47 #endif /* __POWER_H__ */