/*****************************************************************************
@Function FreePages
******************************************************************************/
static IMG_VOID FreePages(
SYSMEM_Heap * heap,
IMG_HANDLE hPagesHandle
)
{
size_t numPages;
SYSMEMU_sPages * psPages = hPagesHandle;
struct ion_client *ion_client;
struct ion_handle *ion_handle;
ion_client = heap->priv;
if (psPages->bImported)
{
IMG_RESULT result = IMG_ERROR_FATAL;
struct ion_client *pIONcl;
struct ion_handle *ionHandle;
DEBUG_REPORT(REPORT_MODULE_SYSMEM, "Releasing ion_handle 0x%p", psPages->pvImplData);
IMG_ASSERT(psPages->pvImplData);
ionHandle = (struct ion_handle *)psPages->pvImplData;
pIONcl = get_ion_client();
if (pIONcl) {
#if defined(ION_SYSTEM_HEAP)
if (psPages->pvCpuKmAddr)
ion_unmap_kernel(pIONcl, ionHandle);
#endif
ion_free(pIONcl, ionHandle);
result = IMG_SUCCESS;
} else {
REPORT(REPORT_MODULE_SYSMEM, REPORT_ERR, "Releasing cannot find ION client");
}
return;
}
if (psPages->bDuplicated)
return;
/* Remove from the list of mappable regions */
SYSBRGU_DestroyMappableRegion(psPages->hRegHandle);
/* Free array with physical addresses */
numPages = (psPages->ui32Size + HOST_MMU_PAGE_SIZE - 1)/HOST_MMU_PAGE_SIZE;
IMG_BIGORSMALL_FREE(numPages * sizeof(*psPages->ppaPhysAddr), psPages->ppaPhysAddr);
/* Free memory */
ion_handle = psPages->pvImplData;
if (psPages->pvCpuKmAddr)
ion_unmap_kernel(ion_client, ion_handle);
ion_free(ion_client, ion_handle);
}
/*!
******************************************************************************
@Function FreePages
******************************************************************************/
static IMG_VOID FreePages(
SYSMEM_Heap * heap,
IMG_HANDLE hPagesHandle
)
{
struct priv_params * prv = (struct priv_params *)heap->priv;
SYSMEMU_sPages * psPages = hPagesHandle;
IMG_UINT32 ui32NoPages;
IMG_UINT32 ui32PageIndex;
IMG_UINT32 i;
IMG_UINT32 physAddrArrSize;
/* Calculate required no. of pages...*/
ui32NoPages = (psPages->ui32Size + (HOST_MMU_PAGE_SIZE-1)) / HOST_MMU_PAGE_SIZE;
/* If mapping then free on the copy of the page structure. */
if (psPages->bImported)
{
if(IMG_NULL != psPages->ppaPhysAddr)
{
IMG_BIGORSMALL_FREE(ui32NoPages * sizeof(psPages->ppaPhysAddr[0]), psPages->ppaPhysAddr);
psPages->ppaPhysAddr = IMG_NULL;
}
return;
}
if (psPages->bDuplicated)
return;
/* Removed this from the list of mappable regions...*/
SYSBRGU_DestroyMappableRegion(psPages->hRegHandle);
/* Free memory...*/
SYSOSKM_DisableInt();
IMG_ASSERT((IMG_UINTPTR)psPages->pvCpuKmAddr >= prv->vstart);
IMG_ASSERT((IMG_UINTPTR)psPages->pvCpuKmAddr < (prv->vstart + prv->size));
/* Calculate page table size and index...*/
physAddrArrSize = sizeof(psPages->ppaPhysAddr[0]) * ui32NoPages;
ui32PageIndex = (IMG_UINT32) ((((IMG_UINTPTR)psPages->pvCpuKmAddr) - prv->vstart) / HOST_MMU_PAGE_SIZE);
/* Mark pages as unallocated...*/
for (i=0; i<ui32NoPages; i++)
{
IMG_ASSERT(prv->alloc_pool[ui32PageIndex+i]);
prv->alloc_pool[ui32PageIndex+i] = IMG_FALSE;
}
prv->cur_index -= ui32NoPages;
SYSOSKM_EnableInt();
IMG_BIGORSMALL_FREE(physAddrArrSize, psPages->ppaPhysAddr);
}
/*!
******************************************************************************
@Function SYSMEMKM_FreePages
******************************************************************************/
static IMG_VOID FreePages(
SYSMEM_Heap * heap,
IMG_HANDLE hPagesHandle
)
{
struct priv_params * prv = (struct priv_params *)heap->priv;
SYSMEMU_sPages * psPages = hPagesHandle;
IMG_UINT32 ui32NoPages;
IMG_UINT32 physAddrArrSize;
/* Calculate required no. of pages...*/
ui32NoPages = (psPages->ui32Size + (HOST_MMU_PAGE_SIZE-1)) / HOST_MMU_PAGE_SIZE;
/* If mapping then free on the copy of the page structure. */
/* This will happen after we call this function by sysmemutils */
if (psPages->bImported)
{
if(psPages->bMappingOnly && (IMG_NULL != psPages->ppaPhysAddr))
{
IMG_BIGORSMALL_FREE(ui32NoPages * sizeof(psPages->ppaPhysAddr[0]), psPages->ppaPhysAddr);
psPages->ppaPhysAddr = IMG_NULL;
}
return;
}
IMG_ASSERT((!psPages->bMappingOnly)); /* Mapping is not supported via this implementation of the SYSMEM API. */
/* Removed this from the list of mappable regions...*/
SYSBRGU_DestroyMappableRegion(psPages->hRegHandle);
/* Calculate the size of page table...*/
physAddrArrSize = sizeof(psPages->ppaPhysAddr[0]) * ui32NoPages;
/* Free memory...*/
gen_pool_free(prv->pool, (unsigned long)psPages->pvImplData, psPages->ui32Size);
IMG_BIGORSMALL_FREE(physAddrArrSize, psPages->ppaPhysAddr);
psPages->ppaPhysAddr = IMG_NULL;
psPages->hRegHandle = IMG_NULL;
}
