mirror of https://github.com/proski/madwifi
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
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* Copyright (c) 2002-2008 Atheros Communications, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $Id: ar5312_power.c,v 1.4 2008/11/10 04:08:04 sam Exp $
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*/
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#include "opt_ah.h"
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#ifdef AH_SUPPORT_AR5312
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#include "ah.h"
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#include "ah_internal.h"
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#include "ar5312/ar5312.h"
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#include "ar5312/ar5312reg.h"
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#include "ar5212/ar5212desc.h"
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/*
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* Notify Power Mgt is enabled in self-generated frames.
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* If requested, force chip awake.
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*
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* Returns A_OK if chip is awake or successfully forced awake.
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*
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* WARNING WARNING WARNING
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* There is a problem with the chip where sometimes it will not wake up.
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*/
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static HAL_BOOL
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ar5312SetPowerModeAwake(struct ath_hal *ah, int setChip)
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{
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/* No need for this at the moment for APs */
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return AH_TRUE;
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}
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/*
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* Notify Power Mgt is disabled in self-generated frames.
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* If requested, force chip to sleep.
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*/
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static void
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ar5312SetPowerModeSleep(struct ath_hal *ah, int setChip)
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{
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/* No need for this at the moment for APs */
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}
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/*
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* Notify Power Management is enabled in self-generating
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* fames. If request, set power mode of chip to
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* auto/normal. Duration in units of 128us (1/8 TU).
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*/
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static void
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ar5312SetPowerModeNetworkSleep(struct ath_hal *ah, int setChip)
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{
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/* No need for this at the moment for APs */
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}
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/*
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* Set power mgt to the requested mode, and conditionally set
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* the chip as well
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*/
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HAL_BOOL
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ar5312SetPowerMode(struct ath_hal *ah, HAL_POWER_MODE mode, int setChip)
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{
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struct ath_hal_5212 *ahp = AH5212(ah);
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#ifdef AH_DEBUG
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static const char* modes[] = {
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"AWAKE",
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"FULL-SLEEP",
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"NETWORK SLEEP",
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"UNDEFINED"
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};
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#endif
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int status = AH_TRUE;
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HALDEBUG(ah, HAL_DEBUG_POWER, "%s: %s -> %s (%s)\n", __func__,
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modes[ahp->ah_powerMode], modes[mode],
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setChip ? "set chip " : "");
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switch (mode) {
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case HAL_PM_AWAKE:
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status = ar5312SetPowerModeAwake(ah, setChip);
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break;
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case HAL_PM_FULL_SLEEP:
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ar5312SetPowerModeSleep(ah, setChip);
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break;
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case HAL_PM_NETWORK_SLEEP:
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ar5312SetPowerModeNetworkSleep(ah, setChip);
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break;
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default:
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HALDEBUG(ah, HAL_DEBUG_POWER, "%s: unknown power mode %u\n",
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__func__, mode);
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return AH_FALSE;
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}
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ahp->ah_powerMode = mode;
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return status;
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}
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/*
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* Return the current sleep mode of the chip
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*/
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uint32_t
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ar5312GetPowerMode(struct ath_hal *ah)
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{
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return HAL_PM_AWAKE;
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}
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/*
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* Return the current sleep state of the chip
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* TRUE = sleeping
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*/
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HAL_BOOL
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ar5312GetPowerStatus(struct ath_hal *ah)
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{
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return 0; /* Currently, 5312 is never in sleep mode. */
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}
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#endif /* AH_SUPPORT_AR5312 */
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