st/cw1200/pm.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Mac80211 power management interface for ST-Ericsson CW1200 mac80211 drivers
0004  *
0005  * Copyright (c) 2011, ST-Ericsson
0006  * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
0007  */
0008
0009 #ifndef PM_H_INCLUDED
0010 #define PM_H_INCLUDED
0011
0012 /* ******************************************************************** */
0013 /* mac80211 API                             */
0014
0015 /* extern */  struct cw1200_common;
0016 /* private */ struct cw1200_suspend_state;
0017
0018 struct cw1200_pm_state {
0019     struct cw1200_suspend_state *suspend_state;
0020     struct timer_list stay_awake;
0021     struct platform_device *pm_dev;
0022     spinlock_t lock; /* Protect access */
0023 };
0024
0025 #ifdef CONFIG_PM
0026 int cw1200_pm_init(struct cw1200_pm_state *pm,
0027             struct cw1200_common *priv);
0028 void cw1200_pm_deinit(struct cw1200_pm_state *pm);
0029 int cw1200_wow_suspend(struct ieee80211_hw *hw,
0030                struct cfg80211_wowlan *wowlan);
0031 int cw1200_can_suspend(struct cw1200_common *priv);
0032 int cw1200_wow_resume(struct ieee80211_hw *hw);
0033 void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
0034               unsigned long tmo);
0035 #else
0036 static inline void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
0037                     unsigned long tmo)
0038 {
0039 }
0040 static inline int cw1200_can_suspend(struct cw1200_common *priv)
0041 {
0042     return 0;
0043 }
0044 #endif
0045 #endif