summaryrefslogtreecommitdiffstats
blob: 76e6c85a2fe169bb842fb7b494ea6967a2015086 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
 * Copyright (c) 2017-present, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/*
 *  ======== EventCombinerP_tirtos.c ========
 */
#ifdef _TMS320C6X
#include <ti/osal/osal.h>

#include <ti/osal/EventCombinerP.h>

#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>

#include <xdc/std.h>
#include <xdc/runtime/Error.h>
#include <xdc/runtime/Memory.h>

#include <ti/osal/src/tirtos/tirtos_config.h>

#include <ti/sysbios/family/c66/tci66xx/CpIntc.h>
#include <ti/sysbios/family/c64p/EventCombiner.h>
#include <ti/sysbios/family/c64p/Hwi.h>

#ifdef __cplusplus
extern "C" {
#endif

/* This is the number of c6x interrupts [0-15] */
#define OSAL_ECM_NUM_INTERRUPTS (Hwi_NUM_INTERRUPTS) 
/**************************************************************
   Description: Returns the Hwi Handle associated with the event group.
                It returns NULL_PTR if the Event combiner is not registered
                with an  interrupt vector (0-15)  
   Argument:    The Event Combiner group Number [0-3]
   Returns:     The HwiHandle corresponding to the group number. 
                NULL_PTR if it doesnt registered yet.
*******************************************************************/
HwiP_Handle EventCombinerP_getHwi(uint32_t groupNum) {
    HwiP_Handle handle=NULL_PTR;
    int32_t event,i;

    for(i=0;i<OSAL_ECM_NUM_INTERRUPTS;i++) {
       /* Find out the event associated with the interrupt vector number */
       event=Hwi_getEventId((uint32_t)i);

       if((uint32_t)event==groupNum) {
           /* If the associated event is the ECM group queried (0-3),
            * return the handle */
           handle=(HwiP_Handle)Hwi_getHandle((uint32_t)i);
           break;
       }
    }

    return(handle);
}
/**************************************************************
   Description: Returns the interrupt vector id  corresponding to a
                event combiner group number [0-3)   
   Argument:    The Event Combiner group Number [0-3]
   Returns:     The interrupt vector id corresponding to a groupNum. 
                -1 if the event combiner is not registered
*******************************************************************/
int32_t EventCombinerP_getIntNum(int32_t groupNum) {

    int32_t event,i,intNum=-1;

    for(i=0;i<OSAL_ECM_NUM_INTERRUPTS;i++) {
       /* Find out the event associated with the interrupt vector number */
       event=Hwi_getEventId((uint32_t)i);

       if(event==groupNum) {
           /* If the associated event is the ECM group (0-3),
            * find out the event associated with the interrupt vector number */
           intNum=i;
           break;
       }
    }

    return(intNum);
}

/**************************************************************
   Description: Register an event combiner interrupt

   Argument:    groupNum: The group number (0-3).
                intNum: The interrupt vector id to register 
                the event combiner to.
   Returns:     OSAL_EVTCOMBINE_GROUPREG_SUCCESS if allocated well.
                OSAL_EVTCOMBINE_ERR_GROUPREG_REGISTER_ERR if error.
*******************************************************************/

int32_t EventCombinerP_SingleRegisterInt(int32_t groupNum, int32_t intNum)
{
    int32_t ret=OSAL_EVTCOMBINE_GROUPREG_SUCCESS;
    HwiP_Handle hwiHandle=NULL_PTR;

    HwiP_Params                 hwiInputParams;

    if(EventCombinerP_getHwi((uint32_t)groupNum)!=NULL_PTR) {
     /* Already registered, nothing to do */
      ret = OSAL_EVTCOMBINE_GROUPREG_SUCCESS;
    }
    else
    {

    HwiP_Params_init(&hwiInputParams);

    hwiInputParams.name = NULL_PTR;
    hwiInputParams.priority = 0x20U;
    hwiInputParams.arg = (uintptr_t)groupNum;
    hwiInputParams.evtId = (uint32_t)groupNum;

    if( (intNum>0) && (intNum <OSAL_ECM_NUM_INTERRUPTS) )  {
        hwiHandle =  HwiP_create(intNum,&EventCombiner_dispatch, &hwiInputParams);
        if(hwiHandle==NULL_PTR) {
            ret= OSAL_EVTCOMBINE_ERR_GROUPREG_REGISTER_ERR;
        }
    } else {
        ret = OSAL_EVTCOMBINE_ERR_GROUPREG_INVALID_INTNUM;
    }
   }
    return ret;
}

/**************************************************************
   Description: Register all the event combiner interrupts

   Argument: intNum[]: The interrupt vector ids to register 
                       the event combiner to

    Returns: OSAL_EVTCOMBINE_GROUPREG_SUCCESS if
             allocated well.
             OSAL_EVTCOMBINE_ERR_GROUPREG_REGISTER_ERR if error.
*******************************************************************/

int32_t EventCombinerP_GroupRegisterInt(int32_t intNum[])
{
    int32_t ret=OSAL_EVTCOMBINE_GROUPREG_SUCCESS,i;

    for(i=0;i<4;i++) {
      if((intNum[i]>0) && (intNum[i]<OSAL_ECM_NUM_INTERRUPTS)) {

         ret=EventCombinerP_SingleRegisterInt(i,intNum[i]);
         if(ret!=OSAL_EVTCOMBINE_GROUPREG_SUCCESS) {
             break;
          }   
      }
    }
    return ret;
}
/**************************************************************************
   Description: Disable a particular event Number inside the Event Combiner

   Argument: eventNum: The event number(4-127) to disable inside 
             the event combiner

    Returns: OSAL_EVTCOMBINE_GROUPREG_SUCCESS 
****************************************************************************/
int32_t EventCombinerP_disableEvent(uint32_t eventNum)
{
    EventCombiner_disableEvent(eventNum);
    return OSAL_EVTCOMBINE_GROUPREG_SUCCESS;
}
/**************************************************************************
   Description: Enable a particular event Number inside the Event Combiner

   Argument: eventNum: The event number(4-127) to enable inside 
             the event combiner

    Returns: OSAL_EVTCOMBINE_GROUPREG_SUCCESS 
****************************************************************************/
int32_t EventCombinerP_enableEvent(uint32_t eventNum)
{
    EventCombiner_enableEvent(eventNum);
    return OSAL_EVTCOMBINE_GROUPREG_SUCCESS;

}
/**************************************************************************
    Description: Plugs a event's(4-127) to the EventCombiner's dispatcher

    Arguments: eventId: The event number(4-127) 
             eventIsrRoutine: The event's ISR routine
             unmask: TRUE/FALSE: Mask/Unmask the event combiner flag

    Returns: OSAL_EVTCOMBINE_GROUPREG_SUCCESS 
****************************************************************************/
int32_t EventCombinerP_dispatchPlug(uint32_t eventId, void (*eventIsrRoutine)(uint32_t),uintptr_t arg,bool unmask )
{
   EventCombiner_dispatchPlug (eventId,(EventCombiner_FuncPtr)(eventIsrRoutine),arg,(uint16_t)((unmask==(bool)true)?1U:0U));
   return OSAL_EVTCOMBINE_GROUPREG_SUCCESS;
}

#ifdef __cplusplus
}
#endif

#endif /* #ifdef _TMS320C6X */