1 /*
2  * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /**
20  * DOC: HIF internal unit-test related APIs for triggering WoW suspend/resume
21  * while the application processor is still up.
22  */
23 
24 #ifndef _HIF_UNIT_TEST_SUSPEND_I_H_
25 #define _HIF_UNIT_TEST_SUSPEND_I_H_
26 
27 #include "qdf_status.h"
28 #include "hif_main.h"
29 #include "hif_unit_test_suspend.h"
30 
31 #ifdef WLAN_SUSPEND_RESUME_TEST
32 
33 struct hif_ut_suspend_context {
34 	unsigned long state;
35 	hif_ut_resume_callback resume_callback;
36 	struct work_struct resume_work;
37 };
38 
39 /**
40  * hif_ut_suspend_init() - Initialize the unit-test suspend context
41  * @scn: the hif context to initialize
42  *
43  * Return: None
44  */
45 void hif_ut_suspend_init(struct hif_softc *scn);
46 
47 /**
48  * hif_is_ut_suspended() - Tests if the given hif context is unit-test suspended
49  * @scn: The HIF context to check
50  *
51  * Return: true, if unit-test suspended, otherwise false
52  */
53 bool hif_is_ut_suspended(struct hif_softc *scn);
54 
55 /**
56  * hif_ut_fw_resume() - Initiate a firmware triggered unit-test resume
57  * @scn: The HIF context to operate on
58  *
59  * This schedules the callback previously registered via a call to
60  * hif_ut_apps_suspend for execution.
61  *
62  * Return: QDF_STATUS
63  */
64 QDF_STATUS hif_ut_fw_resume(struct hif_softc *scn);
65 
66 /**
67  * hif_irq_trigger_ut_resume() - Test for given hif ctx unit-test resume needed
68  * @scn: The HIF context to check
69  *
70  * Return: true, if unit-test resume procedure is needed, otherwise false
71  */
72 bool hif_irq_trigger_ut_resume(struct hif_softc *scn);
73 
74 #else /* WLAN_SUSPEND_RESUME_TEST */
75 
76 struct hif_ut_suspend_context {};
77 
hif_ut_suspend_init(struct hif_softc * scn)78 static inline void hif_ut_suspend_init(struct hif_softc *scn) {}
79 
hif_is_ut_suspended(struct hif_softc * scn)80 static inline bool hif_is_ut_suspended(struct hif_softc *scn)
81 {
82 	return false;
83 }
84 
hif_ut_fw_resume(struct hif_softc * scn)85 static inline QDF_STATUS hif_ut_fw_resume(struct hif_softc *scn)
86 {
87 	return QDF_STATUS_SUCCESS;
88 }
89 #endif /* WLAN_SUSPEND_RESUME_TEST */
90 
91 #endif /* _HIF_UNIT_TEST_SUSPEND_I_H_ */
92