drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h

   1 #ifndef __GK104_FIFO_H__
   2 #define __GK104_FIFO_H__
   3 #define gk104_fifo(p) container_of((p), struct gk104_fifo, base)
   4 #include "priv.h"
   5
   6 #include <subdev/mmu.h>
   7
   8 struct gk104_fifo_engn {
   9         struct nvkm_memory *runlist[2];
  10         int cur_runlist;
  11         wait_queue_head_t wait;
  12         struct list_head chan;
  13 };
  14
  15 struct gk104_fifo {
  16         struct nvkm_fifo base;
  17
  18         struct work_struct fault;
  19         u64 mask;
  20
  21         struct gk104_fifo_engn engine[7];
  22         struct {
  23                 struct nvkm_memory *mem;
  24                 struct nvkm_vma bar;
  25         } user;
  26         int spoon_nr;
  27 };
  28
  29 int gk104_fifo_new_(const struct nvkm_fifo_func *, struct nvkm_device *,
  30                     int index, int nr, struct nvkm_fifo **);
  31 void *gk104_fifo_dtor(struct nvkm_fifo *);
  32 int gk104_fifo_oneinit(struct nvkm_fifo *);
  33 void gk104_fifo_init(struct nvkm_fifo *);
  34 void gk104_fifo_fini(struct nvkm_fifo *);
  35 void gk104_fifo_intr(struct nvkm_fifo *);
  36 void gk104_fifo_uevent_init(struct nvkm_fifo *);
  37 void gk104_fifo_uevent_fini(struct nvkm_fifo *);
  38 void gk104_fifo_runlist_update(struct gk104_fifo *, u32 engine);
  39
  40 static inline u64
  41 gk104_fifo_engine_subdev(int engine)
  42 {
  43         switch (engine) {
  44         case 0: return (1ULL << NVKM_ENGINE_GR) |
  45                        (1ULL << NVKM_ENGINE_SW) |
  46                        (1ULL << NVKM_ENGINE_CE2);
  47         case 1: return (1ULL << NVKM_ENGINE_MSPDEC);
  48         case 2: return (1ULL << NVKM_ENGINE_MSPPP);
  49         case 3: return (1ULL << NVKM_ENGINE_MSVLD);
  50         case 4: return (1ULL << NVKM_ENGINE_CE0);
  51         case 5: return (1ULL << NVKM_ENGINE_CE1);
  52         case 6: return (1ULL << NVKM_ENGINE_MSENC);
  53         default:
  54                 WARN_ON(1);
  55                 return 0;
  56         }
  57 }
  58
  59 static inline int
  60 gk104_fifo_subdev_engine(int subdev)
  61 {
  62         switch (subdev) {
  63         case NVKM_ENGINE_GR:
  64         case NVKM_ENGINE_SW:
  65         case NVKM_ENGINE_CE2   : return 0;
  66         case NVKM_ENGINE_MSPDEC: return 1;
  67         case NVKM_ENGINE_MSPPP : return 2;
  68         case NVKM_ENGINE_MSVLD : return 3;
  69         case NVKM_ENGINE_CE0   : return 4;
  70         case NVKM_ENGINE_CE1   : return 5;
  71         case NVKM_ENGINE_MSENC : return 6;
  72         default:
  73                 WARN_ON(1);
  74                 return 0;
  75         }
  76 }
  77 #endif