1 /*
2 * Copyright (c) 2012-2013, 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 * ======== NotifySetup.c ========
34 */
35 #include <xdc/std.h>
36 #include <xdc/runtime/Error.h>
38 #include <ti/sdo/ipc/notifyDrivers/NotifyDriverShm.h>
39 #include <ti/sdo/ipc/_Notify.h>
40 #include <ti/sdo/ipc/Ipc.h>
42 #include <ti/sdo/utils/_MultiProc.h>
44 #include "package/internal/NotifySetup.xdc.h"
46 /*
47 *************************************************************************
48 * Module functions
49 *************************************************************************
50 */
52 /*!
53 * ======== NotifySetup_attach ========
54 * Initialize interrupt
55 */
56 Int NotifySetup_attach(UInt16 remoteProcId, Ptr sharedAddr)
57 {
58 NotifyDriverShm_Params notifyShmParams;
59 NotifyDriverShm_Handle shmDrvHandle;
60 ti_sdo_ipc_Notify_Handle notifyHandle;
61 Int status = Notify_S_SUCCESS;
62 Error_Block eb;
64 Error_init(&eb);
66 NotifyDriverShm_Params_init(¬ifyShmParams);
67 notifyShmParams.sharedAddr = sharedAddr;
68 notifyShmParams.remoteProcId = remoteProcId;
70 /* Disable cache for inter-ducati NotifyDriverShm instances */
71 if ((MultiProc_self() == NotifySetup_vpssProcId &&
72 remoteProcId == NotifySetup_videoProcId) ||
73 (MultiProc_self() == NotifySetup_videoProcId &&
74 remoteProcId == NotifySetup_vpssProcId)) {
75 notifyShmParams.cacheLineSize = 0;
76 notifyShmParams.cacheEnabled = FALSE;
77 }
79 /* Set the intVectorId if on the DSP */
80 if (MultiProc_self() == NotifySetup_dspProcId) {
81 notifyShmParams.intVectorId = NotifySetup_dspIntVectId;
83 if (remoteProcId == NotifySetup_eveProcId) {
84 notifyShmParams.intVectorId = NotifySetup_dspIntVectIdForEve;
85 }
86 else {
87 notifyShmParams.intVectorId = NotifySetup_dspIntVectId;
88 }
89 }
91 /* Set the intVectorId if on the EVE */
92 if (MultiProc_self() == NotifySetup_eveProcId) {
93 notifyShmParams.intVectorId = NotifySetup_eveIntVectId;
94 }
96 shmDrvHandle = NotifyDriverShm_create(¬ifyShmParams, &eb);
97 if (shmDrvHandle == NULL) {
98 return (Notify_E_FAIL);
99 }
101 notifyHandle = ti_sdo_ipc_Notify_create(
102 NotifyDriverShm_Handle_upCast(shmDrvHandle), remoteProcId, 0,
103 NULL, &eb);
105 if (notifyHandle == NULL) {
106 NotifyDriverShm_delete(&shmDrvHandle);
107 status = Notify_E_FAIL;
108 }
110 return (status);
111 }
114 /*!
115 * ======== NotifySetup_sharedMemReq ========
116 */
117 SizeT NotifySetup_sharedMemReq(UInt16 remoteProcId, Ptr sharedAddr)
118 {
119 SizeT memReq;
120 NotifyDriverShm_Params notifyShmParams;
122 NotifyDriverShm_Params_init(¬ifyShmParams);
123 notifyShmParams.sharedAddr = sharedAddr;
124 /* Disable cache for inter-ducati NotifyDriverShm instances */
125 if ((MultiProc_self() == NotifySetup_vpssProcId &&
126 remoteProcId == NotifySetup_videoProcId) ||
127 (MultiProc_self() == NotifySetup_videoProcId &&
128 remoteProcId == NotifySetup_vpssProcId)) {
129 notifyShmParams.cacheEnabled = FALSE;
130 notifyShmParams.cacheLineSize = 0;
131 }
133 memReq = NotifyDriverShm_sharedMemReq(¬ifyShmParams);
135 return (memReq);
136 }
138 /*!
139 * ======== NotifySetup_numIntLines ========
140 */
141 UInt16 NotifySetup_numIntLines(UInt16 remoteProcId)
142 {
143 return (1);
144 }