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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
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