kernel/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h

   1 #ifndef __NVKM_FIFO_H__
   2 #define __NVKM_FIFO_H__
   3 #include <core/namedb.h>
   4
   5 struct nvkm_fifo_chan {
   6         struct nvkm_namedb namedb;
   7         struct nvkm_dmaobj *pushdma;
   8         struct nvkm_gpuobj *pushgpu;
   9         void __iomem *user;
  10         u64 addr;
  11         u32 size;
  12         u16 chid;
  13         atomic_t refcnt; /* NV04_NVSW_SET_REF */
  14 };
  15
  16 static inline struct nvkm_fifo_chan *
  17 nvkm_fifo_chan(void *obj)
  18 {
  19         return (void *)nv_namedb(obj);
  20 }
  21
  22 #define nvkm_fifo_channel_create(p,e,c,b,a,s,n,m,d)                         \
  23         nvkm_fifo_channel_create_((p), (e), (c), (b), (a), (s), (n),        \
  24                                      (m), sizeof(**d), (void **)d)
  25 #define nvkm_fifo_channel_init(p)                                           \
  26         nvkm_namedb_init(&(p)->namedb)
  27 #define nvkm_fifo_channel_fini(p,s)                                         \
  28         nvkm_namedb_fini(&(p)->namedb, (s))
  29
  30 int  nvkm_fifo_channel_create_(struct nvkm_object *,
  31                                   struct nvkm_object *,
  32                                   struct nvkm_oclass *,
  33                                   int bar, u32 addr, u32 size, u32 push,
  34                                   u64 engmask, int len, void **);
  35 void nvkm_fifo_channel_destroy(struct nvkm_fifo_chan *);
  36
  37 #define _nvkm_fifo_channel_init _nvkm_namedb_init
  38 #define _nvkm_fifo_channel_fini _nvkm_namedb_fini
  39
  40 void _nvkm_fifo_channel_dtor(struct nvkm_object *);
  41 int  _nvkm_fifo_channel_map(struct nvkm_object *, u64 *, u32 *);
  42 u32  _nvkm_fifo_channel_rd32(struct nvkm_object *, u64);
  43 void _nvkm_fifo_channel_wr32(struct nvkm_object *, u64, u32);
  44 int  _nvkm_fifo_channel_ntfy(struct nvkm_object *, u32, struct nvkm_event **);
  45
  46 #include <core/gpuobj.h>
  47
  48 struct nvkm_fifo_base {
  49         struct nvkm_gpuobj gpuobj;
  50 };
  51
  52 #define nvkm_fifo_context_create(p,e,c,g,s,a,f,d)                           \
  53         nvkm_gpuobj_create((p), (e), (c), 0, (g), (s), (a), (f), (d))
  54 #define nvkm_fifo_context_destroy(p)                                        \
  55         nvkm_gpuobj_destroy(&(p)->gpuobj)
  56 #define nvkm_fifo_context_init(p)                                           \
  57         nvkm_gpuobj_init(&(p)->gpuobj)
  58 #define nvkm_fifo_context_fini(p,s)                                         \
  59         nvkm_gpuobj_fini(&(p)->gpuobj, (s))
  60
  61 #define _nvkm_fifo_context_dtor _nvkm_gpuobj_dtor
  62 #define _nvkm_fifo_context_init _nvkm_gpuobj_init
  63 #define _nvkm_fifo_context_fini _nvkm_gpuobj_fini
  64 #define _nvkm_fifo_context_rd32 _nvkm_gpuobj_rd32
  65 #define _nvkm_fifo_context_wr32 _nvkm_gpuobj_wr32
  66
  67 #include <core/engine.h>
  68 #include <core/event.h>
  69
  70 struct nvkm_fifo {
  71         struct nvkm_engine base;
  72
  73         struct nvkm_event cevent; /* channel creation event */
  74         struct nvkm_event uevent; /* async user trigger */
  75
  76         struct nvkm_object **channel;
  77         spinlock_t lock;
  78         u16 min;
  79         u16 max;
  80
  81         int  (*chid)(struct nvkm_fifo *, struct nvkm_object *);
  82         void (*pause)(struct nvkm_fifo *, unsigned long *);
  83         void (*start)(struct nvkm_fifo *, unsigned long *);
  84 };
  85
  86 static inline struct nvkm_fifo *
  87 nvkm_fifo(void *obj)
  88 {
  89         return (void *)nvkm_engine(obj, NVDEV_ENGINE_FIFO);
  90 }
  91
  92 #define nvkm_fifo_create(o,e,c,fc,lc,d)                                     \
  93         nvkm_fifo_create_((o), (e), (c), (fc), (lc), sizeof(**d), (void **)d)
  94 #define nvkm_fifo_init(p)                                                   \
  95         nvkm_engine_init(&(p)->base)
  96 #define nvkm_fifo_fini(p,s)                                                 \
  97         nvkm_engine_fini(&(p)->base, (s))
  98
  99 int nvkm_fifo_create_(struct nvkm_object *, struct nvkm_object *,
 100                          struct nvkm_oclass *, int min, int max,
 101                          int size, void **);
 102 void nvkm_fifo_destroy(struct nvkm_fifo *);
 103 const char *
 104 nvkm_client_name_for_fifo_chid(struct nvkm_fifo *fifo, u32 chid);
 105
 106 #define _nvkm_fifo_init _nvkm_engine_init
 107 #define _nvkm_fifo_fini _nvkm_engine_fini
 108
 109 extern struct nvkm_oclass *nv04_fifo_oclass;
 110 extern struct nvkm_oclass *nv10_fifo_oclass;
 111 extern struct nvkm_oclass *nv17_fifo_oclass;
 112 extern struct nvkm_oclass *nv40_fifo_oclass;
 113 extern struct nvkm_oclass *nv50_fifo_oclass;
 114 extern struct nvkm_oclass *g84_fifo_oclass;
 115 extern struct nvkm_oclass *gf100_fifo_oclass;
 116 extern struct nvkm_oclass *gk104_fifo_oclass;
 117 extern struct nvkm_oclass *gk20a_fifo_oclass;
 118 extern struct nvkm_oclass *gk208_fifo_oclass;
 119 extern struct nvkm_oclass *gm204_fifo_oclass;
 120
 121 int  nvkm_fifo_uevent_ctor(struct nvkm_object *, void *, u32,
 122                            struct nvkm_notify *);
 123 void nvkm_fifo_uevent(struct nvkm_fifo *);
 124
 125 void nv04_fifo_intr(struct nvkm_subdev *);
 126 int  nv04_fifo_context_attach(struct nvkm_object *, struct nvkm_object *);
 127 #endif