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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 <share/communication/inc/nmf_fifo_desc.h>
#include <cm/engine/semaphores/inc/semaphores.h>
#include <cm/engine/component/inc/instance.h>
#include <cm/engine/executive_engine_mgt/inc/executive_engine_mgt.h>
#include "../inc/nmf_fifo_arm.h"
#include <cm/engine/dsp/inc/dsp.h>
#include <cm/engine/memory/inc/memory.h>
#include <cm/engine/memory/inc/domain.h>
#include <cm/engine/trace/inc/trace.h>
/* define value of fifo magic number */
#define NMF_FIFO_MAGIC_NB 0xF1F0BEEF
PRIVATE t_uint16 fifo_getCount(
t_uint16 writeIndex,
t_uint16 readIndex,
t_uint16 fifoSize
)
{
if (writeIndex >= readIndex) {return writeIndex - readIndex;}
else {return fifoSize - readIndex + writeIndex;}
}
PRIVATE t_uint16 fifo_incrementIndex(
t_uint16 index,
t_uint16 wrappingValue
)
{
if (++index == wrappingValue) {index = 0;}
return index;
}
PUBLIC t_uint16 fifo_normalizeDepth(t_uint16 requestedDepth)
{
/* with new implementation we don't align on power of two */
return requestedDepth;
}
PUBLIC t_nmf_fifo_arm_desc* fifo_alloc(
t_nmf_core_id pusherCoreId, t_nmf_core_id poperCoreId,
t_uint16 size_in_16bit, t_uint16 nbElem, t_uint16 nbExtendedSharedFields,
t_dsp_memory_type_id memType, t_dsp_memory_type_id memExtendedFieldType, t_cm_domain_id domainId)
{
t_uint16 realNbElem = nbElem + 1;/* we need one more elem in new implementation */
t_uint16 sizeToAlloc = sizeof(t_nmf_fifo_desc) + ((size_in_16bit<<1)*realNbElem);
t_nmf_fifo_arm_desc *pArmFifoDesc;
pArmFifoDesc = (t_nmf_fifo_arm_desc*)OSAL_Alloc(sizeof (t_nmf_fifo_arm_desc));
if (pArmFifoDesc == NULL)
goto errorde;
pArmFifoDesc->chunkHandle = cm_DM_Alloc(domainId, memType,
(sizeToAlloc/2), CM_MM_ALIGN_2WORDS, TRUE); /* size in 16-bit since we use EXT16 memory */
if (pArmFifoDesc->chunkHandle == INVALID_MEMORY_HANDLE)
goto errorsh;
pArmFifoDesc->magic = NMF_FIFO_MAGIC_NB;
pArmFifoDesc->pusherCoreId = pusherCoreId;
pArmFifoDesc->poperCoreId = poperCoreId;
pArmFifoDesc->fifoDesc = (t_nmf_fifo_desc *)cm_DSP_GetHostLogicalAddress(pArmFifoDesc->chunkHandle);
cm_DSP_GetDspAddress(pArmFifoDesc->chunkHandle, &pArmFifoDesc->dspAdress);
pArmFifoDesc->fifoDescShadow = pArmFifoDesc->fifoDesc;
cm_DSP_GetDspDataAddressInfo(cm_DM_GetDomainCoreId(domainId), pArmFifoDesc->dspAdress, &pArmFifoDesc->dspAddressInfo);
pArmFifoDesc->extendedFieldHandle = INVALID_MEMORY_HANDLE;
pArmFifoDesc->extendedField = NULL;
pArmFifoDesc->fifoDesc->elemSize = size_in_16bit;
pArmFifoDesc->fifoDesc->fifoFullValue = nbElem;
pArmFifoDesc->fifoDesc->wrappingValue = realNbElem;
pArmFifoDesc->fifoDesc->semId = cm_SEM_Alloc(pusherCoreId, poperCoreId);
pArmFifoDesc->fifoDesc->readIndex = 0;
pArmFifoDesc->fifoDesc->writeIndex = 0;
LOG_INTERNAL(2, "\n##### Fifo alloc 0x%x (0x%x)\n\n", pArmFifoDesc, pArmFifoDesc->fifoDesc, 0, 0, 0, 0);
if (nbExtendedSharedFields >= 1)
{
if(poperCoreId == ARM_CORE_ID)
{
/* Optimization: Don't put extended Field in DSP memory since use only by ARM if popper */
pArmFifoDesc->extendedField = (t_shared_field*)OSAL_Alloc(nbExtendedSharedFields * sizeof(t_shared_field));
if (pArmFifoDesc->extendedField == NULL)
goto errorex;
pArmFifoDesc->fifoDesc->extendedField = (t_uint32)pArmFifoDesc->extendedField;
}
else
{
pArmFifoDesc->extendedFieldHandle = cm_DM_Alloc(domainId, memExtendedFieldType,
nbExtendedSharedFields * sizeof(t_shared_field) / 4, CM_MM_ALIGN_WORD, TRUE);
if (pArmFifoDesc->extendedFieldHandle == INVALID_MEMORY_HANDLE)
goto errorex;
pArmFifoDesc->extendedField = (t_shared_field*)cm_DSP_GetHostLogicalAddress(pArmFifoDesc->extendedFieldHandle);
cm_DSP_GetDspAddress(pArmFifoDesc->extendedFieldHandle, (t_uint32*)&pArmFifoDesc->fifoDesc->extendedField);
}
pArmFifoDesc->extendedField[EXTENDED_FIELD_BCTHIS_OR_TOP] = (t_shared_field)0;
}
return pArmFifoDesc;
errorex:
(void)cm_DM_Free(pArmFifoDesc->chunkHandle, TRUE);
errorsh:
OSAL_Free(pArmFifoDesc);
errorde:
return NULL;
}
PUBLIC t_uint32 fifo_isFifoIdValid(t_nmf_fifo_arm_desc *pArmFifo)
{
if (((t_uint32)pArmFifo & CM_MM_ALIGN_WORD) != 0) {return FALSE;}
if (pArmFifo->magic == NMF_FIFO_MAGIC_NB) {return TRUE;}
else {return FALSE;}
}
PUBLIC void fifo_free(t_nmf_fifo_arm_desc *pArmFifo)
{
CM_ASSERT(pArmFifo->pusherCoreId != ARM_CORE_ID || pArmFifo->poperCoreId != ARM_CORE_ID);
pArmFifo->magic = ~NMF_FIFO_MAGIC_NB;
if(pArmFifo->extendedFieldHandle != INVALID_MEMORY_HANDLE)
(void)cm_DM_Free(pArmFifo->extendedFieldHandle, TRUE);
else if(pArmFifo->extendedField != NULL)
OSAL_Free(pArmFifo->extendedField);
(void)cm_DM_Free(pArmFifo->chunkHandle, TRUE);
OSAL_Free(pArmFifo);
}
PUBLIC t_shared_addr fifo_getAndAckNextElemToWritePointer(t_nmf_fifo_arm_desc *pArmFifo)
{
t_shared_addr retValue;
retValue = fifo_getNextElemToWritePointer(pArmFifo);
if (retValue != 0)
{
fifo_acknowledgeWrite(pArmFifo);
}
return retValue;
}
PUBLIC t_shared_addr fifo_getAndAckNextElemToReadPointer(t_nmf_fifo_arm_desc *pArmFifo)
{
t_shared_addr retValue;
retValue = fifo_getNextElemToReadPointer(pArmFifo);
if (retValue != 0)
{
fifo_acknowledgeRead(pArmFifo);
}
return retValue;
}
PUBLIC t_shared_addr fifo_getNextElemToWritePointer(t_nmf_fifo_arm_desc *pArmFifo)
{
t_shared_addr retValue = 0;
t_nmf_fifo_desc *pDesc;
t_uint16 count;
if ((NULL == pArmFifo) || (NULL == (pDesc = pArmFifo->fifoDesc)))
return 0;
count = fifo_getCount(pDesc->writeIndex, pDesc->readIndex,pDesc->wrappingValue);
if (count < pDesc->fifoFullValue)
{
retValue = ((t_shared_addr)pDesc + sizeof(t_nmf_fifo_desc) + (pDesc->writeIndex*(pDesc->elemSize<<1)));
}
return retValue;
}
PUBLIC t_shared_addr fifo_getNextElemToReadPointer(t_nmf_fifo_arm_desc *pArmFifo)
{
t_shared_addr retValue = 0;
t_nmf_fifo_desc *pDesc;
t_uint16 count;
if ((NULL == pArmFifo) || (NULL == (pDesc = pArmFifo->fifoDesc)))
return 0;
count = fifo_getCount(pDesc->writeIndex, pDesc->readIndex,pDesc->wrappingValue);
if (count != 0)
{
retValue = ((t_shared_addr)pDesc+ sizeof(t_nmf_fifo_desc) + (pDesc->readIndex*(pDesc->elemSize<<1)));
}
return retValue;
}
PUBLIC void fifo_acknowledgeRead(t_nmf_fifo_arm_desc *pArmFifo)
{
t_nmf_fifo_desc *pDesc = pArmFifo->fifoDesc;
pDesc->readIndex = fifo_incrementIndex(pDesc->readIndex, pDesc->wrappingValue);
}
PUBLIC void fifo_acknowledgeWrite(t_nmf_fifo_arm_desc *pArmFifo)
{
t_nmf_fifo_desc *pDesc = pArmFifo->fifoDesc;
pDesc->writeIndex = fifo_incrementIndex(pDesc->writeIndex, pDesc->wrappingValue);
}
PUBLIC void fifo_coms_acknowledgeWriteAndInterruptGeneration(t_nmf_fifo_arm_desc *pArmFifo)
{
t_nmf_fifo_desc *pDesc = pArmFifo->fifoDesc;
fifo_acknowledgeWrite(pArmFifo);
//Be sure before generate irq that fifo has been updated
OSAL_mb();
cm_SEM_GenerateIrq[pArmFifo->poperCoreId](pArmFifo->poperCoreId, pDesc->semId);
//cm_SEM_Take[pArmFifo->poperCoreId](pArmFifo->poperCoreId, pDesc->semId);
//cm_SEM_GiveWithInterruptGeneration[pArmFifo->poperCoreId](pArmFifo->poperCoreId, pDesc->semId);
}
PUBLIC t_cm_error fifo_params_setSharedField(t_nmf_fifo_arm_desc *pArmFifo, t_uint32 sharedFieldIndex, t_shared_field value)
{
pArmFifo->extendedField[sharedFieldIndex] = value;
return CM_OK;
}
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