bf3cd8553b903b21840a372393f1f430bf09f56d
1 /*
2 * Copyright (c) 2011-2013, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 /** ============================================================================
33 * @file IpcPower.h
34 * ============================================================================
35 */
37 #ifndef ti_pm_IpcPower__include
38 #define ti_pm_IpcPower__include
40 #if defined (__cplusplus)
41 extern "C" {
42 #endif
45 /* =============================================================================
46 * Structures & Definitions
47 * =============================================================================
48 */
50 /*!
51 * @def IpcPower_S_SUCCESS
52 * @brief Operation is successful.
53 */
54 #define IpcPower_S_SUCCESS (0)
56 /*!
57 * @def IpcPower_E_FAIL
58 * @brief Operation is not successful.
59 */
60 #define IpcPower_E_FAIL (-1)
62 /*!
63 * @def IpcPower_E_MEMORY
64 * @brief Operation resulted in memory failure.
65 */
66 #define IpcPower_E_MEMORY (-2)
68 /*!
69 * @brief Event types for power management callbacks
70 */
71 typedef enum IpcPower_Event {
72 IpcPower_Event_SUSPEND = 0, /*! Callback event for Power suspend */
73 IpcPower_Event_RESUME = 1 /*! Callback event for Power resume */
74 } IpcPower_Event;
76 /*!
77 * @brief Power Event Callback function type definition
78 */
79 typedef Void (*IpcPower_CallbackFuncPtr)(Int event, Ptr data);
81 /* =============================================================================
82 * IpcPower Functions:
83 * =============================================================================
84 */
86 /*!
87 * @brief Initialize the IpcPower module
88 *
89 * @sa IpcPower_exit
90 */
91 Void IpcPower_init();
93 /*!
94 * @brief Finalize the IpcPower module
95 *
96 * @sa IpcPower_init
97 */
98 Void IpcPower_exit();
100 /*!
101 * @brief Initiate the suspend procedure
102 */
103 Void IpcPower_suspend();
105 /*!
106 * @brief Disable the deep sleep mode in the core
107 *
108 * @sa IpcPower_wakeUnlock
109 */
110 Void IpcPower_wakeLock();
112 /*!
113 * @brief Enable the core to go to deep sleep mode
114 *
115 * @sa IpcPower_wakeLock
116 */
117 Void IpcPower_wakeUnlock();
119 /*!
120 * @brief Disable the core to go to suspend / hibernate
121 *
122 * @sa IpcPower_hibernateUnlock, IpcPower_canHibernate
123 */
124 UInt IpcPower_hibernateLock();
126 /*!
127 * @brief Enable the core to go to suspend / hibernate
128 *
129 * @sa IpcPower_hibernateLock, IpcPower_canHibernate
130 */
131 UInt IpcPower_hibernateUnlock();
133 /*!
134 * @brief Return TRUE if hibernation is allowed
135 *
136 * @sa IpcPower_hibernateLock, IpcPower_hibernateUnlock
137 */
138 Bool IpcPower_canHibernate();
140 /*!
141 * @brief Register callback function for a Power event
142 *
143 * @param[in] event Power Management callback event type.
144 * @param[in] fxn Function being registered.
145 * @param[in] data Data to be passed as argument to function.
146 *
147 * @Returns Returns SUCCESS or FAIL
148 *
149 * @sa IpcPower_registerCallback
150 */
151 Int IpcPower_registerCallback(Int event, IpcPower_CallbackFuncPtr fxn,
152 Ptr data);
154 /*!
155 * @brief Unregister callback function for a Power event
156 *
157 * @param[in] event Power Management callback event type.
158 * @param[in] fxn Function being unregistered.
159 *
160 * @Returns Returns SUCCESS or FAIL
161 *
162 * @sa IpcPower_unregisterCallback
163 */
164 Int IpcPower_unregisterCallback(Int event, IpcPower_CallbackFuncPtr fxn);
166 #if defined (__cplusplus)
167 }
168 #endif /* defined (__cplusplus) */
170 #endif /* ti_ipc_IpcPower__include */