drivers/gpu/drm/nouveau/core/include/engine/fifo.h

   1 #ifndef __NOUVEAU_FIFO_H__
   2 #define __NOUVEAU_FIFO_H__
   3
   4 #include <core/namedb.h>
   5 #include <core/gpuobj.h>
   6 #include <core/engine.h>
   7
   8 struct nouveau_fifo_chan {
   9         struct nouveau_namedb base;
  10         struct nouveau_dmaobj *pushdma;
  11         struct nouveau_gpuobj *pushgpu;
  12         void __iomem *user;
  13         u32 size;
  14         u16 chid;
  15         atomic_t refcnt; /* NV04_NVSW_SET_REF */
  16 };
  17
  18 static inline struct nouveau_fifo_chan *
  19 nouveau_fifo_chan(void *obj)
  20 {
  21         return (void *)nv_namedb(obj);
  22 }
  23
  24 #define nouveau_fifo_channel_create(p,e,c,b,a,s,n,m,d)                         \
  25         nouveau_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n),        \
  26                                      (m), sizeof(**d), (void **)d)
  27 #define nouveau_fifo_channel_init(p)                                           \
  28         nouveau_namedb_init(&(p)->base)
  29 #define nouveau_fifo_channel_fini(p,s)                                         \
  30         nouveau_namedb_fini(&(p)->base, (s))
  31
  32 int  nouveau_fifo_channel_create_(struct nouveau_object *,
  33                                   struct nouveau_object *,
  34                                   struct nouveau_oclass *,
  35                                   int bar, u32 addr, u32 size, u32 push,
  36                                   u32 engmask, int len, void **);
  37 void nouveau_fifo_channel_destroy(struct nouveau_fifo_chan *);
  38
  39 #define _nouveau_fifo_channel_init _nouveau_namedb_init
  40 #define _nouveau_fifo_channel_fini _nouveau_namedb_fini
  41
  42 void _nouveau_fifo_channel_dtor(struct nouveau_object *);
  43 u32  _nouveau_fifo_channel_rd32(struct nouveau_object *, u32);
  44 void _nouveau_fifo_channel_wr32(struct nouveau_object *, u32, u32);
  45
  46 struct nouveau_fifo_base {
  47         struct nouveau_gpuobj base;
  48 };
  49
  50 #define nouveau_fifo_context_create(p,e,c,g,s,a,f,d)                           \
  51         nouveau_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))
  52 #define nouveau_fifo_context_destroy(p)                                        \
  53         nouveau_gpuobj_destroy(&(p)->base)
  54 #define nouveau_fifo_context_init(p)                                           \
  55         nouveau_gpuobj_init(&(p)->base)
  56 #define nouveau_fifo_context_fini(p,s)                                         \
  57         nouveau_gpuobj_fini(&(p)->base, (s))
  58
  59 #define _nouveau_fifo_context_dtor _nouveau_gpuobj_dtor
  60 #define _nouveau_fifo_context_init _nouveau_gpuobj_init
  61 #define _nouveau_fifo_context_fini _nouveau_gpuobj_fini
  62 #define _nouveau_fifo_context_rd32 _nouveau_gpuobj_rd32
  63 #define _nouveau_fifo_context_wr32 _nouveau_gpuobj_wr32
  64
  65 struct nouveau_fifo {
  66         struct nouveau_engine base;
  67
  68         struct nouveau_object **channel;
  69         spinlock_t lock;
  70         u16 min;
  71         u16 max;
  72
  73         void (*pause)(struct nouveau_fifo *, unsigned long *);
  74         void (*start)(struct nouveau_fifo *, unsigned long *);
  75 };
  76
  77 static inline struct nouveau_fifo *
  78 nouveau_fifo(void *obj)
  79 {
  80         return (void *)nv_device(obj)->subdev[NVDEV_ENGINE_FIFO];
  81 }
  82
  83 #define nouveau_fifo_create(o,e,c,fc,lc,d)                                     \
  84         nouveau_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d)
  85 #define nouveau_fifo_init(p)                                                   \
  86         nouveau_engine_init(&(p)->base)
  87 #define nouveau_fifo_fini(p,s)                                                 \
  88         nouveau_engine_fini(&(p)->base, (s))
  89
  90 int nouveau_fifo_create_(struct nouveau_object *, struct nouveau_object *,
  91                          struct nouveau_oclass *, int min, int max,
  92                          int size, void **);
  93 void nouveau_fifo_destroy(struct nouveau_fifo *);
  94
  95 #define _nouveau_fifo_init _nouveau_engine_init
  96 #define _nouveau_fifo_fini _nouveau_engine_fini
  97
  98 extern struct nouveau_oclass nv04_fifo_oclass;
  99 extern struct nouveau_oclass nv10_fifo_oclass;
 100 extern struct nouveau_oclass nv17_fifo_oclass;
 101 extern struct nouveau_oclass nv40_fifo_oclass;
 102 extern struct nouveau_oclass nv50_fifo_oclass;
 103 extern struct nouveau_oclass nv84_fifo_oclass;
 104 extern struct nouveau_oclass nvc0_fifo_oclass;
 105 extern struct nouveau_oclass nve0_fifo_oclass;
 106
 107 void nv04_fifo_intr(struct nouveau_subdev *);
 108
 109 #endif