/* * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting * Copyright (c) 2002-2008 Atheros Communications, Inc. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * $Id: ar5312_power.c,v 1.1.1.1 2008/12/11 04:46:45 alc Exp $ */ #include "opt_ah.h" #ifdef AH_SUPPORT_AR5312 #include "ah.h" #include "ah_internal.h" #include "ar5312/ar5312.h" #include "ar5312/ar5312reg.h" #include "ar5212/ar5212desc.h" /* * Notify Power Mgt is enabled in self-generated frames. * If requested, force chip awake. * * Returns A_OK if chip is awake or successfully forced awake. * * WARNING WARNING WARNING * There is a problem with the chip where sometimes it will not wake up. */ static HAL_BOOL ar5312SetPowerModeAwake(struct ath_hal *ah, int setChip) { /* No need for this at the moment for APs */ return AH_TRUE; } /* * Notify Power Mgt is disabled in self-generated frames. * If requested, force chip to sleep. */ static void ar5312SetPowerModeSleep(struct ath_hal *ah, int setChip) { /* No need for this at the moment for APs */ } /* * Notify Power Management is enabled in self-generating * fames. If request, set power mode of chip to * auto/normal. Duration in units of 128us (1/8 TU). */ static void ar5312SetPowerModeNetworkSleep(struct ath_hal *ah, int setChip) { /* No need for this at the moment for APs */ } /* * Set power mgt to the requested mode, and conditionally set * the chip as well */ HAL_BOOL ar5312SetPowerMode(struct ath_hal *ah, HAL_POWER_MODE mode, int setChip) { struct ath_hal_5212 *ahp = AH5212(ah); #ifdef AH_DEBUG static const char* modes[] = { "AWAKE", "FULL-SLEEP", "NETWORK SLEEP", "UNDEFINED" }; #endif int status = AH_TRUE; HALDEBUG(ah, HAL_DEBUG_POWER, "%s: %s -> %s (%s)\n", __func__, modes[ahp->ah_powerMode], modes[mode], setChip ? "set chip " : ""); switch (mode) { case HAL_PM_AWAKE: status = ar5312SetPowerModeAwake(ah, setChip); break; case HAL_PM_FULL_SLEEP: ar5312SetPowerModeSleep(ah, setChip); break; case HAL_PM_NETWORK_SLEEP: ar5312SetPowerModeNetworkSleep(ah, setChip); break; default: HALDEBUG(ah, HAL_DEBUG_POWER, "%s: unknown power mode %u\n", __func__, mode); return AH_FALSE; } ahp->ah_powerMode = mode; return status; } /* * Return the current sleep mode of the chip */ uint32_t ar5312GetPowerMode(struct ath_hal *ah) { return HAL_PM_AWAKE; } /* * Return the current sleep state of the chip * TRUE = sleeping */ HAL_BOOL ar5312GetPowerStatus(struct ath_hal *ah) { return 0; /* Currently, 5312 is never in sleep mode. */ } #endif /* AH_SUPPORT_AR5312 */