1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Mac80211 power management interface for ST-Ericsson CW1200 mac80211 drivers
4  *
5  * Copyright (c) 2011, ST-Ericsson
6  * Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
7  */
8 
9 #ifndef PM_H_INCLUDED
10 #define PM_H_INCLUDED
11 
12 /* ******************************************************************** */
13 /* mac80211 API								*/
14 
15 /* extern */  struct cw1200_common;
16 /* private */ struct cw1200_suspend_state;
17 
18 struct cw1200_pm_state {
19 	struct cw1200_suspend_state *suspend_state;
20 	struct timer_list stay_awake;
21 	struct platform_device *pm_dev;
22 	spinlock_t lock; /* Protect access */
23 };
24 
25 #ifdef CONFIG_PM
26 int cw1200_pm_init(struct cw1200_pm_state *pm,
27 		    struct cw1200_common *priv);
28 void cw1200_pm_deinit(struct cw1200_pm_state *pm);
29 int cw1200_wow_suspend(struct ieee80211_hw *hw,
30 		       struct cfg80211_wowlan *wowlan);
31 int cw1200_can_suspend(struct cw1200_common *priv);
32 int cw1200_wow_resume(struct ieee80211_hw *hw);
33 void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
34 			  unsigned long tmo);
35 #else
cw1200_pm_stay_awake(struct cw1200_pm_state * pm,unsigned long tmo)36 static inline void cw1200_pm_stay_awake(struct cw1200_pm_state *pm,
37 					unsigned long tmo)
38 {
39 }
cw1200_can_suspend(struct cw1200_common * priv)40 static inline int cw1200_can_suspend(struct cw1200_common *priv)
41 {
42 	return 0;
43 }
44 #endif
45 #endif
46