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   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
  21 struct 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
  29 int cw1200_pm_init(struct cw1200_pm_state *pm,
  30                     struct cw1200_common *priv);
  31 void cw1200_pm_deinit(struct cw1200_pm_state *pm);
  32 int cw1200_wow_suspend(struct ieee80211_hw *hw,
  33                        struct cfg80211_wowlan *wowlan);
  34 int cw1200_can_suspend(struct cw1200_common *priv);
  35 int cw1200_wow_resume(struct ieee80211_hw *hw);
  36 void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
  37                           unsigned long tmo);
  38 #else
  39 static inline void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
  40                                         unsigned long tmo)
  41 {
  42 }
  43 static inline int cw1200_can_suspend(struct cw1200_common *priv)
  44 {
  45         return 0;
  46 }
  47 #endif
  48 #endif