2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2008 Atheros Communications, Inc.
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 * $Id: ar5312_power.c,v 1.4 2008/11/10 04:08:04 sam Exp $
21 #ifdef AH_SUPPORT_AR5312
24 #include "ah_internal.h"
26 #include "ar5312/ar5312.h"
27 #include "ar5312/ar5312reg.h"
28 #include "ar5212/ar5212desc.h"
31 * Notify Power Mgt is enabled in self-generated frames.
32 * If requested, force chip awake.
34 * Returns A_OK if chip is awake or successfully forced awake.
36 * WARNING WARNING WARNING
37 * There is a problem with the chip where sometimes it will not wake up.
40 ar5312SetPowerModeAwake(struct ath_hal *ah, int setChip)
42 /* No need for this at the moment for APs */
47 * Notify Power Mgt is disabled in self-generated frames.
48 * If requested, force chip to sleep.
51 ar5312SetPowerModeSleep(struct ath_hal *ah, int setChip)
53 /* No need for this at the moment for APs */
57 * Notify Power Management is enabled in self-generating
58 * fames. If request, set power mode of chip to
59 * auto/normal. Duration in units of 128us (1/8 TU).
62 ar5312SetPowerModeNetworkSleep(struct ath_hal *ah, int setChip)
64 /* No need for this at the moment for APs */
68 * Set power mgt to the requested mode, and conditionally set
72 ar5312SetPowerMode(struct ath_hal *ah, HAL_POWER_MODE mode, int setChip)
74 struct ath_hal_5212 *ahp = AH5212(ah);
76 static const char* modes[] = {
85 HALDEBUG(ah, HAL_DEBUG_POWER, "%s: %s -> %s (%s)\n", __func__,
86 modes[ahp->ah_powerMode], modes[mode],
87 setChip ? "set chip " : "");
90 status = ar5312SetPowerModeAwake(ah, setChip);
92 case HAL_PM_FULL_SLEEP:
93 ar5312SetPowerModeSleep(ah, setChip);
95 case HAL_PM_NETWORK_SLEEP:
96 ar5312SetPowerModeNetworkSleep(ah, setChip);
99 HALDEBUG(ah, HAL_DEBUG_POWER, "%s: unknown power mode %u\n",
103 ahp->ah_powerMode = mode;
108 * Return the current sleep mode of the chip
111 ar5312GetPowerMode(struct ath_hal *ah)
117 * Return the current sleep state of the chip
121 ar5312GetPowerStatus(struct ath_hal *ah)
123 return 0; /* Currently, 5312 is never in sleep mode. */
125 #endif /* AH_SUPPORT_AR5312 */