drivers/gpu/drm/rockchip/rockchip_drm_rga.h

   1 #ifndef __ROCKCHIP_DRM_RGA__
   2 #define __ROCKCHIP_DRM_RGA__
   3
   4 #define RGA_CMDBUF_SIZE                 14
   5 #define RGA_CMDLIST_SIZE                0x20
   6 #define RGA_CMDLIST_NUM                 64
   7
   8 /* cmdlist data structure */
   9 struct rga_cmdlist {
  10         u32             head;
  11         u32             data[(RGA_CMDLIST_SIZE + RGA_CMDBUF_SIZE) * 2];
  12         u32             last;   /* last data offset */
  13         void            *src_mmu_pages;
  14         void            *dst_mmu_pages;
  15         void            *src1_mmu_pages;
  16         struct dma_buf_attachment *src_attach;
  17         struct dma_buf_attachment *src1_attach;
  18         struct dma_buf_attachment *dst_attach;
  19 };
  20
  21 struct rga_cmdlist_node {
  22         struct list_head        list;
  23         struct rga_cmdlist      cmdlist;
  24 };
  25
  26 struct rga_runqueue_node {
  27         struct list_head        list;
  28
  29         struct drm_device       *drm_dev;
  30         struct device           *dev;
  31         pid_t                   pid;
  32         struct drm_file         *file;
  33         struct completion       complete;
  34
  35         struct list_head        run_cmdlist;
  36
  37         int                     cmdlist_cnt;
  38         void                    *cmdlist_pool_virt;
  39         dma_addr_t              cmdlist_pool;
  40         struct dma_attrs        cmdlist_dma_attrs;
  41 };
  42
  43 struct rockchip_rga_version {
  44         u32                     major;
  45         u32                     minor;
  46 };
  47
  48 struct rockchip_rga {
  49         struct drm_device       *drm_dev;
  50         struct device           *dev;
  51         struct regmap           *grf;
  52         void __iomem            *regs;
  53         struct clk              *sclk;
  54         struct clk              *aclk;
  55         struct clk              *hclk;
  56
  57         bool                            suspended;
  58         struct rockchip_rga_version     version;
  59         struct drm_rockchip_subdrv      subdrv;
  60         struct workqueue_struct         *rga_workq;
  61         struct work_struct              runqueue_work;
  62
  63         /* rga command list pool */
  64         struct rga_cmdlist_node         cmdlist_node[RGA_CMDLIST_NUM];
  65         struct mutex                    cmdlist_mutex;
  66
  67         struct list_head                free_cmdlist;
  68
  69         /* rga runqueue */
  70         struct rga_runqueue_node        *runqueue_node;
  71         struct list_head                runqueue_list;
  72         struct mutex                    runqueue_mutex;
  73         struct kmem_cache               *runqueue_slab;
  74 };
  75
  76 struct rockchip_drm_rga_private {
  77         struct device           *dev;
  78         struct list_head        inuse_cmdlist;
  79         struct list_head        userptr_list;
  80 };
  81
  82 #ifdef CONFIG_ROCKCHIP_DRM_RGA
  83 int rockchip_rga_get_ver_ioctl(struct drm_device *dev, void *data,
  84                                struct drm_file *file_priv);
  85 int rockchip_rga_set_cmdlist_ioctl(struct drm_device *dev, void *data,
  86                                    struct drm_file *file_priv);
  87 int rockchip_rga_exec_ioctl(struct drm_device *dev, void *data,
  88                             struct drm_file *file_priv);
  89 #else
  90 static inline int rockchip_rga_get_ver_ioctl(struct drm_device *dev, void *data,
  91                                              struct drm_file *file_priv)
  92 {
  93         return -ENODEV;
  94 }
  95
  96 static inline int rockchip_rga_set_cmdlist_ioctl(struct drm_device *dev,
  97                                                  void *data,
  98                                                  struct drm_file *file_priv)
  99 {
 100         return -ENODEV;
 101 }
 102
 103 static inline int rockchip_rga_exec_ioctl(struct drm_device *dev, void *data,
 104                                           struct drm_file *file_priv)
 105 {
 106         return -ENODEV;
 107 }
 108 #endif
 109
 110 #endif /* __ROCKCHIP_DRM_RGA__ */