LXR linux/drivers/net/wireless/st/cw1200/pm.h

   1/*
   2 * Mac80211 power management interface for ST-Ericsson CW1200 mac80211 drivers
   3 *
   4 * Copyright (c) 2011, ST-Ericsson
   5 * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10 */
  11
  12#ifndef PM_H_INCLUDED
  13#define PM_H_INCLUDED
  14
  15/* ******************************************************************** */
  16/* mac80211 API                                                         */
  17
  18/* extern */  struct cw1200_common;
  19/* private */ struct cw1200_suspend_state;
  20
  21struct cw1200_pm_state {
  22        struct cw1200_suspend_state *suspend_state;
  23        struct timer_list stay_awake;
  24        struct platform_device *pm_dev;
  25        spinlock_t lock; /* Protect access */
  26};
  27
  28#ifdef CONFIG_PM
  29int cw1200_pm_init(struct cw1200_pm_state *pm,
  30                    struct cw1200_common *priv);
  31void cw1200_pm_deinit(struct cw1200_pm_state *pm);
  32int cw1200_wow_suspend(struct ieee80211_hw *hw,
  33                       struct cfg80211_wowlan *wowlan);
  34int cw1200_can_suspend(struct cw1200_common *priv);
  35int cw1200_wow_resume(struct ieee80211_hw *hw);
  36void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
  37                          unsigned long tmo);
  38#else
  39static inline void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
  40                                        unsigned long tmo)
  41{
  42}
  43static inline int cw1200_can_suspend(struct cw1200_common *priv)
  44{
  45        return 0;
  46}
  47#endif
  48#endif
  49