1981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt/*
2981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * context.h
3981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *
4981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
5981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * All rights reserved.
6981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *
7981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * Redistribution and use in source and binary forms, with or without
8981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * modification, are permitted provided that the following conditions
9981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * are met:
10981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *
11981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *  * Redistributions of source code must retain the above copyright
12981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *    notice, this list of conditions and the following disclaimer.
13981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *  * Redistributions in binary form must reproduce the above copyright
14981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *    notice, this list of conditions and the following disclaimer in
15981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *    the documentation and/or other materials provided with the
16981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *    distribution.
17981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *  * Neither the name Texas Instruments nor the names of its
18981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *    contributors may be used to endorse or promote products derived
19981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *    from this software without specific prior written permission.
20981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *
21981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt */
33981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
34981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
35981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
36981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt/** \file   context.h
37981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *  \brief  context module header file.
38981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *
39981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt *  \see    context.c
40981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt */
41981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
42981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt#ifndef _CONTEXT_H_
43981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt#define _CONTEXT_H_
44981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
45981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
46981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
47981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt/* The callback function type for context clients */
48981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidttypedef void (*TContextCbFunc)(TI_HANDLE hCbHndl);
49981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
50981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt/* The context init parameters */
51981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidttypedef struct
52981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt{
53981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt    /* Indicate if the driver should switch to its own context or not before handling events */
54981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt    TI_BOOL   bContextSwitchRequired;
55981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt} TContextInitParams;
56981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
57981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
58981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
59981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt/* External Functions Prototypes */
60981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt/* ============================= */
61981801b95b81e6d1c7a2085967406e86af0f08fcDmitry ShmidtTI_HANDLE context_Create          (TI_HANDLE hOs);
62981801b95b81e6d1c7a2085967406e86af0f08fcDmitry ShmidtTI_STATUS context_Destroy         (TI_HANDLE hContext);
63981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_Init            (TI_HANDLE hContext, TI_HANDLE hOs, TI_HANDLE hReport);
64981801b95b81e6d1c7a2085967406e86af0f08fcDmitry ShmidtTI_STATUS context_SetDefaults     (TI_HANDLE hContext, TContextInitParams *pContextInitParams);
65981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
66981801b95b81e6d1c7a2085967406e86af0f08fcDmitry ShmidtTI_UINT32 context_RegisterClient (TI_HANDLE       hContext,
67981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt                                  TContextCbFunc  fCbFunc,
68981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt                                  TI_HANDLE       hCbHndl,
69981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt                                  TI_BOOL         bEnable,
70981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt                                  char           *sName,
71981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt                                  TI_UINT32       uNameSize);
72981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
73981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_RequestSchedule (TI_HANDLE hContext, TI_UINT32 uClientId);
74981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_DriverTask      (TI_HANDLE hContext);
75981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_EnableClient    (TI_HANDLE hContext, TI_UINT32 uClientId);
76981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_DisableClient   (TI_HANDLE hContext, TI_UINT32 uClientId);
77981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
78981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_EnterCriticalSection (TI_HANDLE hContext);
79981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_LeaveCriticalSection (TI_HANDLE hContext);
80981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_DisableClient   (TI_HANDLE hContext, TI_UINT32 uClientId);
81981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_EnableClient    (TI_HANDLE hContext, TI_UINT32 uClientId);
82981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt#ifdef TI_DBG
83981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidtvoid      context_Print           (TI_HANDLE hContext);
84981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt#endif /* TI_DBG */
85981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
86981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
87981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
88981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt#endif  /* _CONTEXT_H_ */
89981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
90981801b95b81e6d1c7a2085967406e86af0f08fcDmitry Shmidt
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