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>
37 #include <xdc/runtime/System.h>
39 #include <ti/sdo/ipc/Ipc.h>
40 #include <ti/sdo/ipc/notifyDrivers/NotifyDriverShm.h>
41 #include <ti/sdo/ipc/_Notify.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 UInt16 myId = MultiProc_self();
62 Int status = Notify_S_SUCCESS;
63 Error_Block eb;
65 /* Initialize the error block */
66 Error_init(&eb);
68 NotifyDriverShm_Params_init(¬ifyShmParams);
69 notifyShmParams.sharedAddr = sharedAddr;
70 notifyShmParams.remoteProcId = remoteProcId;
72 if (myId == NotifySetup_core1ProcId &&
73 remoteProcId != NotifySetup_core0ProcId ||
74 myId != NotifySetup_core0ProcId &&
75 remoteProcId == NotifySetup_core1ProcId) {
76 Error_raise(&eb, NotifySetup_E_noInterruptLine,
77 MultiProc_getName(remoteProcId), NULL);
78 System_exit(1);
79 }
81 /* Disable cache for inter-ducati NotifyDriverShm instances */
82 if ((myId == NotifySetup_core1ProcId &&
83 remoteProcId == NotifySetup_core0ProcId) ||
84 (myId == NotifySetup_core0ProcId &&
85 remoteProcId == NotifySetup_core1ProcId)) {
86 notifyShmParams.cacheLineSize = 0;
87 notifyShmParams.cacheEnabled = FALSE;
88 }
90 /* Only used by the DSP */
91 notifyShmParams.intVectorId = NotifySetup_dspIntVectId;
93 shmDrvHandle = NotifyDriverShm_create(¬ifyShmParams, &eb);
94 if (shmDrvHandle == NULL) {
95 return (Notify_E_FAIL);
96 }
98 notifyHandle = ti_sdo_ipc_Notify_create(NotifyDriverShm_Handle_upCast(shmDrvHandle),
99 remoteProcId, 0, NULL, &eb);
101 if (notifyHandle == NULL) {
102 NotifyDriverShm_delete(&shmDrvHandle);
103 status = Notify_E_FAIL;
104 }
106 return (status);
107 }
109 /*!
110 * ======== NotifySetup_sharedMemReq ========
111 */
112 SizeT NotifySetup_sharedMemReq(UInt16 remoteProcId, Ptr sharedAddr)
113 {
114 SizeT memReq;
115 NotifyDriverShm_Params notifyShmParams;
116 UInt16 myId = MultiProc_self();
118 NotifyDriverShm_Params_init(¬ifyShmParams);
119 notifyShmParams.sharedAddr = sharedAddr;
120 /* Disable cache for inter-ducati NotifyDriverShm instances */
121 if ((myId == NotifySetup_core1ProcId &&
122 remoteProcId == NotifySetup_core0ProcId) ||
123 (myId == NotifySetup_core0ProcId &&
124 remoteProcId == NotifySetup_core1ProcId)) {
125 notifyShmParams.cacheLineSize = 0;
126 notifyShmParams.cacheEnabled = FALSE;
127 }
129 memReq = NotifyDriverShm_sharedMemReq(¬ifyShmParams);
131 return (memReq);
132 }
134 /*
135 * ======== NotifySetup_numIntLines ========
136 */
137 UInt16 NotifySetup_numIntLines(UInt16 remoteProcId)
138 {
139 UInt16 myId = MultiProc_self();
141 if (myId == NotifySetup_core1ProcId &&
142 remoteProcId != NotifySetup_core0ProcId ||
143 myId != NotifySetup_core0ProcId &&
144 remoteProcId == NotifySetup_core1ProcId) {
145 return (0);
146 }
148 return (1);
149 }