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