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/*
* Copyright (C) ST-Ericsson SA 2010
* Author: Jean-Philippe FASSINO <jean-philippe.fassino@stericsson.com> for ST-Ericsson.
* License terms: GNU General Public License (GPL) version 2.
*/
#include <cm/inc/cm_type.h>
#include <cm/engine/component/inc/introspection.h>
#include <cm/engine/communication/inc/communication.h>
#include <cm/engine/memory/inc/memory.h>
#include <cm/engine/dsp/mmdsp/inc/mmdsp_hwp.h>
#include <cm/engine/trace/inc/trace.h>
#include "../inc/dspevent.h"
#define DSP_REMOTE_EVENT_SIZE_IN_BYTE (4*DSP_REMOTE_EVENT_SIZE_IN_DSPWORD)
#define DSP_REMOTE_EVENT_NEXT_FIELD_OFFSET 0
#define DSP_REMOTE_EVENT_REACTION_FIELD_OFFSET 1
#define DSP_REMOTE_EVENT_THIS_FIELD_OFFSET 2
#define DSP_REMOTE_EVENT_PRIORITY_FIELD_OFFSET 3
#define DSP_REMOTE_EVENT_DATA_FIELD_OFFSET 4
t_cm_error dspevent_createDspEventFifo(
const t_component_instance *pComp,
const char* nameOfTOP,
t_uint32 fifoNbElem,
t_uint32 fifoElemSizeInWord,
t_dsp_memory_type_id dspEventMemType,
t_memory_handle *pHandle)
{
t_uint32 dspElementAddr;
t_uint32 *elemAddr32;
int i;
// Allocate fifo
*pHandle = cm_DM_Alloc(pComp->domainId, dspEventMemType, fifoNbElem*fifoElemSizeInWord, CM_MM_ALIGN_2WORDS, TRUE);
if(*pHandle == INVALID_MEMORY_HANDLE) {
ERROR("CM_NO_MORE_MEMORY: dspevent_createDspEventFifo()\n", 0, 0, 0, 0, 0, 0);
return CM_NO_MORE_MEMORY;
}
cm_DSP_GetDspAddress(*pHandle, &dspElementAddr);
elemAddr32 = (t_uint32*)cm_DSP_GetHostLogicalAddress(*pHandle);
LOG_INTERNAL(2, "\n##### FIFO (dsp event): ARM=0x%x DSP=0x%x\n", elemAddr32, dspElementAddr, 0, 0, 0, 0);
// Read attribute addr (we assume that variable in XRAM)
cm_writeAttribute(pComp, nameOfTOP, dspElementAddr);
// Initialise the linked list (next...)
for (i = 0; i < fifoNbElem - 1; i++)
{
dspElementAddr += fifoElemSizeInWord;
/* Write next field */
*elemAddr32 = dspElementAddr;
/* Write THIS field & priority field */
*(volatile t_uint64*)&elemAddr32[DSP_REMOTE_EVENT_THIS_FIELD_OFFSET] =
((t_uint64)pComp->thisAddress | (((t_uint64)pComp->priority) << 32));
elemAddr32 += fifoElemSizeInWord;
}
/* Last element: Write next field */
*elemAddr32 = 0x0 /* NULL */;
/* Last element: Write THIS field & priority field */
*(volatile t_uint64*)&elemAddr32[DSP_REMOTE_EVENT_THIS_FIELD_OFFSET] =
((t_uint64)pComp->thisAddress | (((t_uint64)pComp->priority) << 32));
return CM_OK;
}
void dspevent_destroyDspEventFifo(t_memory_handle handle)
{
(void)cm_DM_Free(handle, TRUE);
}
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