/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* NVIDIA Tegra Video decoder driver
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*
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* Copyright (C) 2016-2019 GRATE-DRIVER project
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*/
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#ifndef TEGRA_VDE_H
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#define TEGRA_VDE_H
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#include <linux/completion.h>
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#include <linux/dma-direction.h>
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#include <linux/iova.h>
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#include <linux/list.h>
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#include <linux/miscdevice.h>
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#include <linux/mutex.h>
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#include <linux/types.h>
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struct clk;
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struct dma_buf;
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struct gen_pool;
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struct iommu_group;
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struct iommu_domain;
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struct reset_control;
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struct dma_buf_attachment;
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struct tegra_vde {
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void __iomem *sxe;
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void __iomem *bsev;
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void __iomem *mbe;
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void __iomem *ppe;
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void __iomem *mce;
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void __iomem *tfe;
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void __iomem *ppb;
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void __iomem *vdma;
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void __iomem *frameid;
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struct mutex lock;
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struct mutex map_lock;
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struct list_head map_list;
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struct miscdevice miscdev;
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struct reset_control *rst;
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struct reset_control *rst_mc;
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struct gen_pool *iram_pool;
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struct completion decode_completion;
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struct clk *clk;
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struct iommu_domain *domain;
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struct iommu_group *group;
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struct iova_domain iova;
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struct iova *iova_resv_static_addresses;
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struct iova *iova_resv_last_page;
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dma_addr_t iram_lists_addr;
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u32 *iram;
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};
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int tegra_vde_iommu_init(struct tegra_vde *vde);
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void tegra_vde_iommu_deinit(struct tegra_vde *vde);
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int tegra_vde_iommu_map(struct tegra_vde *vde,
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struct sg_table *sgt,
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struct iova **iovap,
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size_t size);
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void tegra_vde_iommu_unmap(struct tegra_vde *vde, struct iova *iova);
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int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
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struct dma_buf *dmabuf,
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enum dma_data_direction dma_dir,
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struct dma_buf_attachment **ap,
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dma_addr_t *addrp);
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void tegra_vde_dmabuf_cache_unmap(struct tegra_vde *vde,
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struct dma_buf_attachment *a,
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bool release);
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void tegra_vde_dmabuf_cache_unmap_sync(struct tegra_vde *vde);
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void tegra_vde_dmabuf_cache_unmap_all(struct tegra_vde *vde);
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static __maybe_unused char const *
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tegra_vde_reg_base_name(struct tegra_vde *vde, void __iomem *base)
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{
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if (vde->sxe == base)
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return "SXE";
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if (vde->bsev == base)
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return "BSEV";
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if (vde->mbe == base)
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return "MBE";
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if (vde->ppe == base)
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return "PPE";
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if (vde->mce == base)
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return "MCE";
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if (vde->tfe == base)
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return "TFE";
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if (vde->ppb == base)
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return "PPB";
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if (vde->vdma == base)
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return "VDMA";
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if (vde->frameid == base)
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return "FRAMEID";
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return "???";
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}
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#endif /* TEGRA_VDE_H */
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