root/drivers/staging/media/tegra-vde/vde.h

INCLUDED FROM

DEFINITIONS

1. tegra_vde_reg_base_name

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * NVIDIA Tegra Video decoder driver
   4  *
   5  * Copyright (C) 2016-2019 GRATE-DRIVER project
   6  */
   7 
   8 #ifndef TEGRA_VDE_H
   9 #define TEGRA_VDE_H
  10 
  11 #include <linux/completion.h>
  12 #include <linux/dma-direction.h>
  13 #include <linux/list.h>
  14 #include <linux/miscdevice.h>
  15 #include <linux/mutex.h>
  16 #include <linux/types.h>
  17 #include <linux/iova.h>
  18 
  19 struct clk;
  20 struct dma_buf;
  21 struct gen_pool;
  22 struct iommu_group;
  23 struct iommu_domain;
  24 struct reset_control;
  25 struct dma_buf_attachment;
  26 
  27 struct tegra_vde {
  28         void __iomem *sxe;
  29         void __iomem *bsev;
  30         void __iomem *mbe;
  31         void __iomem *ppe;
  32         void __iomem *mce;
  33         void __iomem *tfe;
  34         void __iomem *ppb;
  35         void __iomem *vdma;
  36         void __iomem *frameid;
  37         struct mutex lock;
  38         struct mutex map_lock;
  39         struct list_head map_list;
  40         struct miscdevice miscdev;
  41         struct reset_control *rst;
  42         struct reset_control *rst_mc;
  43         struct gen_pool *iram_pool;
  44         struct completion decode_completion;
  45         struct clk *clk;
  46         struct iommu_domain *domain;
  47         struct iommu_group *group;
  48         struct iova_domain iova;
  49         struct iova *iova_resv_static_addresses;
  50         struct iova *iova_resv_last_page;
  51         dma_addr_t iram_lists_addr;
  52         u32 *iram;
  53 };
  54 
  55 int tegra_vde_iommu_init(struct tegra_vde *vde);
  56 void tegra_vde_iommu_deinit(struct tegra_vde *vde);
  57 int tegra_vde_iommu_map(struct tegra_vde *vde,
  58                         struct sg_table *sgt,
  59                         struct iova **iovap,
  60                         size_t size);
  61 void tegra_vde_iommu_unmap(struct tegra_vde *vde, struct iova *iova);
  62 
  63 int tegra_vde_dmabuf_cache_map(struct tegra_vde *vde,
  64                                struct dma_buf *dmabuf,
  65                                enum dma_data_direction dma_dir,
  66                                struct dma_buf_attachment **ap,
  67                                dma_addr_t *addrp);
  68 void tegra_vde_dmabuf_cache_unmap(struct tegra_vde *vde,
  69                                   struct dma_buf_attachment *a,
  70                                   bool release);
  71 void tegra_vde_dmabuf_cache_unmap_sync(struct tegra_vde *vde);
  72 void tegra_vde_dmabuf_cache_unmap_all(struct tegra_vde *vde);
  73 
  74 static __maybe_unused char const *
  75 tegra_vde_reg_base_name(struct tegra_vde *vde, void __iomem *base)
  76 {
  77         if (vde->sxe == base)
  78                 return "SXE";
  79 
  80         if (vde->bsev == base)
  81                 return "BSEV";
  82 
  83         if (vde->mbe == base)
  84                 return "MBE";
  85 
  86         if (vde->ppe == base)
  87                 return "PPE";
  88 
  89         if (vde->mce == base)
  90                 return "MCE";
  91 
  92         if (vde->tfe == base)
  93                 return "TFE";
  94 
  95         if (vde->ppb == base)
  96                 return "PPB";
  97 
  98         if (vde->vdma == base)
  99                 return "VDMA";
 100 
 101         if (vde->frameid == base)
 102                 return "FRAMEID";
 103 
 104         return "???";
 105 }
 106 
 107 #endif /* TEGRA_VDE_H */