/*
 * Copyright (c) Hisilicon Technologies Co., Ltd.. 2018-2019. All rights reserved.
 * Description: Gralloc
 * Author: Hisilicon
 * Created: 2019.11.07
 */

#ifndef GRALLOC_ION_H_
#define GRALLOC_ION_H_

#include "gralloc_internal_priv.h"
#include "gralloc_descriptor.h"

#ifndef GRALLOC_NEED_SMMU_MAP
/* defined in linux-4.14.y/drivers/staging/android/uapi/ion.h.
    if heap is ION_HEAP_SYSTEM, it need to call ion_map_iommu to get smmu address */
enum ion_heap_type_ext {
    ION_HEAP_ID_CMA = 15, /* ION_HEAP_ID_CMA(15) is ext heap */
    ION_HEAP_ID_SMMU,
    ION_HEAP_ID_SEC_SMMU,
    ION_HEAP_ID_SEC_CMA,
};

#define ION_HEAP_SMMU_MASK (1 << ION_HEAP_ID_SMMU)
#define ION_HEAP_SEC_SMMU_MASK (1 << ION_HEAP_ID_SEC_SMMU)
#endif

int gralloc_ion_device_open(private_module_t *m);

int gralloc_ion_device_close(struct hw_device_t *device);

int gralloc_ion_allocate(const private_module_t *m, const buffer_descriptor_t *descriptors,
                         private_internal_handle_t *handle);

void gralloc_ion_free(const private_module_t *m, private_internal_handle_t *handle);

int gralloc_ion_map(const private_module_t *m, private_internal_handle_t *handle);

int gralloc_ion_unmap(const private_module_t *m, private_internal_handle_t *handle);

int gralloc_ion_sync(const private_module_t *m, const private_internal_handle_t *handle);

int gralloc_dmabuf_sync(const private_internal_handle_t *handle, bool start);
#endif /* GRALLOC_ION_H_ */