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/*
* drivers/gpu/ion/ion_heap.c
*
* Copyright (C) 2011 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/err.h>
#include <linux/ion.h>
#include "ion_priv.h"
struct ion_heap *ion_heap_create(struct ion_platform_heap *heap_data)
{
struct ion_heap *heap = NULL;
switch (heap_data->type) {
case ION_HEAP_TYPE_SYSTEM_CONTIG:
heap = ion_system_contig_heap_create(heap_data);
break;
case ION_HEAP_TYPE_SYSTEM:
heap = ion_system_heap_create(heap_data);
break;
case ION_HEAP_TYPE_CARVEOUT:
heap = ion_carveout_heap_create(heap_data);
break;
default:
pr_err("%s: Invalid heap type %d\n", __func__,
heap_data->type);
return ERR_PTR(-EINVAL);
}
if (IS_ERR_OR_NULL(heap)) {
pr_err("%s: error creating heap %s type %d base %lu size %u\n",
__func__, heap_data->name, heap_data->type,
heap_data->base, heap_data->size);
return ERR_PTR(-EINVAL);
}
heap->name = heap_data->name;
heap->id = heap_data->id;
return heap;
}
void ion_heap_destroy(struct ion_heap *heap)
{
if (!heap)
return;
switch (heap->type) {
case ION_HEAP_TYPE_SYSTEM_CONTIG:
ion_system_contig_heap_destroy(heap);
break;
case ION_HEAP_TYPE_SYSTEM:
ion_system_heap_destroy(heap);
break;
case ION_HEAP_TYPE_CARVEOUT:
ion_carveout_heap_destroy(heap);
break;
default:
pr_err("%s: Invalid heap type %d\n", __func__,
heap->type);
}
}
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