97a8ad76814950ff5f0b0f012060e85c1a3a6435
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 * @brief Type representing OMAP's WUGEN_MEVT[0|1] registers
83 *
84 * For APIs IpcPower_getWugenEvtMask() and IpcPower_setWugenEvtMask()
85 */
86 typedef struct IpcPower_WugenEvtMask {
87 UInt32 mevt0;
88 UInt32 mevt1;
89 } IpcPower_WugenEvtMask;
91 /* =============================================================================
92 * IpcPower Functions:
93 * =============================================================================
94 */
96 /*!
97 * @brief Initialize the IpcPower module
98 *
99 * @sa IpcPower_exit
100 */
101 Void IpcPower_init();
103 /*!
104 * @brief Finalize the IpcPower module
105 *
106 * @sa IpcPower_init
107 */
108 Void IpcPower_exit();
110 /*!
111 * @brief Initiate the suspend procedure
112 */
113 Void IpcPower_suspend();
115 /*!
116 * @brief Disable the deep sleep mode in the core
117 *
118 * @sa IpcPower_wakeUnlock
119 */
120 Void IpcPower_wakeLock();
122 /*!
123 * @brief Enable the core to go to deep sleep mode
124 *
125 * @sa IpcPower_wakeLock
126 */
127 Void IpcPower_wakeUnlock();
129 /*!
130 * @brief Disable the core to go to suspend / hibernate
131 *
132 * @sa IpcPower_hibernateUnlock, IpcPower_canHibernate
133 */
134 UInt IpcPower_hibernateLock();
136 /*!
137 * @brief Enable the core to go to suspend / hibernate
138 *
139 * @sa IpcPower_hibernateLock, IpcPower_canHibernate
140 */
141 UInt IpcPower_hibernateUnlock();
143 /*!
144 * @brief Return TRUE if hibernation is allowed
145 *
146 * @sa IpcPower_hibernateLock, IpcPower_hibernateUnlock
147 */
148 Bool IpcPower_canHibernate();
150 /*!
151 * @brief Register callback function for a Power event
152 *
153 * @param[in] event Power Management callback event type.
154 * @param[in] fxn Function being registered.
155 * @param[in] data Data to be passed as argument to function.
156 *
157 * @return SUCCESS or FAIL
158 *
159 * @sa IpcPower_registerCallback
160 */
161 Int IpcPower_registerCallback(Int event, IpcPower_CallbackFuncPtr fxn,
162 Ptr data);
164 /*!
165 * @brief Unregister callback function for a Power event
166 *
167 * @param[in] event Power Management callback event type.
168 * @param[in] fxn Function being unregistered.
169 *
170 * @return SUCCESS or FAIL
171 *
172 * @sa IpcPower_unregisterCallback
173 */
174 Int IpcPower_unregisterCallback(Int event, IpcPower_CallbackFuncPtr fxn);
176 /*!
177 * @brief Retrieve current WUGEN mask used for suspend
178 *
179 * @param[in] mask Pointer to structure for holding WUGEN event mask
180 *
181 * @sa IpcPower_suspend, IpcPower_setWugenEvtMask
182 */
183 Void IpcPower_getWugenEvtMask(IpcPower_WugenEvtMask *mask);
185 /*!
186 * @brief Set WUGEN mask used for suspend
187 *
188 * The values in the passed structure are copied into the internal
189 * WUGEN event mask. To achieve an ORing of certain bits in the mask,
190 * first retrieve the current mask with IpcPower_getWugenEvtMask() and
191 * then OR in the bits you want to enable.
192 *
193 * @param[in] mask Pointer to WUGEN event mask structure
194 *
195 * @sa IpcPower_suspend, IpcPower_getWugenEvtMask
196 */
197 Void IpcPower_setWugenEvtMask(IpcPower_WugenEvtMask *mask);
199 #if defined (__cplusplus)
200 }
201 #endif /* defined (__cplusplus) */
203 #endif /* ti_ipc_IpcPower__include */