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![Nicholas Parkanyi](/assets/img/avatar_default.png)
This patch fixes the following checkpatch.pl warnings: ERROR: do not use C99 // comments +// ERROR: do not use C99 // comments +// For memory mapped IO ERROR: do not use C99 // comments +// ERROR: do not use C99 // comments +#endif // __UPC_H__ ERROR: do not use C99 // comments + // set period of power up before TBTT ERROR: do not use C99 // comments + // set AID ERROR: do not use C99 // comments + // set ATIM Window ERROR: do not use C99 // comments + // Set AutoSleep ERROR: do not use C99 // comments + // Set HWUTSF ERROR: do not use C99 // comments + // clear always listen beacon ERROR: do not use C99 // comments + // first time set listen next beacon ERROR: do not use C99 // comments + // always listen beacon ERROR: do not use C99 // comments + // enable power saving hw function ERROR: do not use C99 // comments + // disable power saving hw function ERROR: do not use C99 // comments + //clear AutoSleep ERROR: do not use C99 // comments + //clear HWUTSF ERROR: do not use C99 // comments + // set always listen beacon Signed-off-by: Nicholas Parkanyi <n.parkanyi@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
167 lines
4.2 KiB
C
167 lines
4.2 KiB
C
/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*
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* File: power.c
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*
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* Purpose: Handles 802.11 power management functions
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*
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* Author: Lyndon Chen
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*
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* Date: July 17, 2002
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*
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* Functions:
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* PSvEnablePowerSaving - Enable Power Saving Mode
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* PSvDiasblePowerSaving - Disable Power Saving Mode
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* PSbConsiderPowerDown - Decide if we can Power Down
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* PSvSendPSPOLL - Send PS-POLL packet
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* PSbSendNullPacket - Send Null packet
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* PSbIsNextTBTTWakeUp - Decide if we need to wake up at next Beacon
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*
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* Revision History:
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*
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*/
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#include "mac.h"
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#include "device.h"
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#include "power.h"
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#include "card.h"
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/*--------------------- Static Definitions -------------------------*/
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/*--------------------- Static Classes ----------------------------*/
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/*--------------------- Static Functions --------------------------*/
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/*--------------------- Export Variables --------------------------*/
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/*--------------------- Export Functions --------------------------*/
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/*+
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*
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* Routine Description:
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* Enable hw power saving functions
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*
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* Return Value:
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* None.
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*
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-*/
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void
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PSvEnablePowerSaving(
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void *hDeviceContext,
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unsigned short wListenInterval
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)
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{
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struct vnt_private *pDevice = hDeviceContext;
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u16 wAID = pDevice->current_aid | BIT(14) | BIT(15);
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/* set period of power up before TBTT */
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VNSvOutPortW(pDevice->PortOffset + MAC_REG_PWBT, C_PWBT);
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if (pDevice->op_mode != NL80211_IFTYPE_ADHOC) {
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/* set AID */
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VNSvOutPortW(pDevice->PortOffset + MAC_REG_AIDATIM, wAID);
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} else {
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/* set ATIM Window */
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#if 0 /* TODO atim window */
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MACvWriteATIMW(pDevice->PortOffset, pMgmt->wCurrATIMWindow);
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#endif
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}
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/* Set AutoSleep */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCFG, PSCFG_AUTOSLEEP);
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/* Set HWUTSF */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_HWUTSF);
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if (wListenInterval >= 2) {
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/* clear always listen beacon */
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MACvRegBitsOff(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN);
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/* first time set listen next beacon */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN);
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} else {
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/* always listen beacon */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN);
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}
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/* enable power saving hw function */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN);
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pDevice->bEnablePSMode = true;
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pDevice->bPWBitOn = true;
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pr_debug("PS:Power Saving Mode Enable...\n");
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}
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/*+
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*
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* Routine Description:
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* Disable hw power saving functions
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*
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* Return Value:
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* None.
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*
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-*/
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void
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PSvDisablePowerSaving(
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void *hDeviceContext
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)
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{
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struct vnt_private *pDevice = hDeviceContext;
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/* disable power saving hw function */
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MACbPSWakeup(pDevice->PortOffset);
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/* clear AutoSleep */
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MACvRegBitsOff(pDevice->PortOffset, MAC_REG_PSCFG, PSCFG_AUTOSLEEP);
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/* clear HWUTSF */
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MACvRegBitsOff(pDevice->PortOffset, MAC_REG_TFTCTL, TFTCTL_HWUTSF);
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/* set always listen beacon */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_ALBCN);
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pDevice->bEnablePSMode = false;
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pDevice->bPWBitOn = false;
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}
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/*+
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*
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* Routine Description:
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* Check if Next TBTT must wake up
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*
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* Return Value:
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* None.
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*
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-*/
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bool
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PSbIsNextTBTTWakeUp(
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void *hDeviceContext
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)
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{
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struct vnt_private *pDevice = hDeviceContext;
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struct ieee80211_hw *hw = pDevice->hw;
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struct ieee80211_conf *conf = &hw->conf;
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bool bWakeUp = false;
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if (conf->listen_interval == 1) {
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/* Turn on wake up to listen next beacon */
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MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_LNBCN);
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bWakeUp = true;
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}
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return bWakeUp;
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}
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