/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) Rockchip Electronics Co., Ltd.
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*
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* Author:
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* Cerf Yu <cerf.yu@rock-chips.com>
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*/
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#ifndef __LINUX_RKRGA_MM_H_
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#define __LINUX_RKRGA_MM_H_
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#include "rga_drv.h"
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enum rga_mm_flag {
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/* It will identify whether the buffer is within 0 ~ 4G. */
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RGA_MEM_UNDER_4G = 1 << 0,
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/* Logo enable IOMMU */
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RGA_MEM_NEED_USE_IOMMU = 1 << 1,
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/* Flag this is a physical contiguous memory. */
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RGA_MEM_PHYSICAL_CONTIGUOUS = 1 << 2,
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/* need force flush cache */
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RGA_MEM_FORCE_FLUSH_CACHE = 1 << 3,
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};
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struct rga_mm {
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struct mutex lock;
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/*
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* @memory_idr:
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*
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* Mapping of memory object handles to object pointers. Used by the GEM
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* subsystem. Protected by @memory_lock.
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*/
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struct idr memory_idr;
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/* the count of buffer in the cached_list */
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int buffer_count;
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};
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static inline bool rga_mm_is_invalid_dma_buffer(struct rga_dma_buffer *buffer)
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{
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if (buffer == NULL)
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return true;
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return buffer->scheduler == NULL ? true : false;
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}
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struct rga_internal_buffer *rga_mm_lookup_handle(struct rga_mm *mm_session, uint32_t handle);
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int rga_mm_lookup_flag(struct rga_mm *mm_session, uint64_t handle);
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dma_addr_t rga_mm_lookup_iova(struct rga_internal_buffer *buffer);
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struct sg_table *rga_mm_lookup_sgt(struct rga_internal_buffer *buffer);
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void rga_mm_dump_buffer(struct rga_internal_buffer *dump_buffer);
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void rga_mm_dump_info(struct rga_mm *session);
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int rga_mm_map_job_info(struct rga_job *job);
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void rga_mm_unmap_job_info(struct rga_job *job);
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uint32_t rga_mm_import_buffer(struct rga_external_buffer *external_buffer,
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struct rga_session *session);
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int rga_mm_release_buffer(uint32_t handle);
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int rga_mm_session_release_buffer(struct rga_session *session);
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int rga_mm_init(struct rga_mm **session);
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int rga_mm_remove(struct rga_mm **session);
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#endif
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