xref: /openbmc/linux/drivers/net/wireless/st/cw1200/pm.h (revision e2c75e76)
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
49